CN220078835U - Concrete wastewater treatment device - Google Patents
Concrete wastewater treatment device Download PDFInfo
- Publication number
- CN220078835U CN220078835U CN202320684960.9U CN202320684960U CN220078835U CN 220078835 U CN220078835 U CN 220078835U CN 202320684960 U CN202320684960 U CN 202320684960U CN 220078835 U CN220078835 U CN 220078835U
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- Prior art keywords
- tank
- reaction tank
- wastewater treatment
- pipeline
- lifting pump
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 239000010865 sewage Substances 0.000 claims abstract description 41
- 230000001105 regulatory effect Effects 0.000 claims abstract description 29
- 238000005189 flocculation Methods 0.000 claims abstract description 27
- 230000016615 flocculation Effects 0.000 claims abstract description 26
- 238000010517 secondary reaction Methods 0.000 claims abstract description 25
- 239000010802 sludge Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 abstract description 10
- 238000004062 sedimentation Methods 0.000 abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 7
- 150000002500 ions Chemical class 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001556 precipitation Methods 0.000 abstract description 6
- 230000001376 precipitating effect Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000003311 flocculating effect Effects 0.000 abstract description 3
- 238000010979 pH adjustment Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 13
- 229920002401 polyacrylamide Polymers 0.000 description 10
- 244000144992 flock Species 0.000 description 6
- 239000006228 supernatant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 229940037003 alum Drugs 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model provides a concrete wastewater treatment device, which comprises a raw water tank, wherein the water outlet end of the raw water tank is connected with a PH regulating tank through a pipeline and a lifting pump, the water outlet end of the PH regulating tank is connected with a primary reaction tank through a pipeline and a lifting pump, the water outlet end of the primary reaction tank is connected with a secondary reaction tank through a pipeline and a lifting pump, and the water outlet end of the secondary reaction tank is connected with a flocculation tank through a pipeline and a lifting pump; the bottom of the PH regulating tank, the primary reaction tank and the secondary reaction tank are provided with mud outlets. The utility model has the advantages that: after PH adjustment of the PH adjusting tank, sewage is subjected to deep flocculation and precipitation of the primary reaction tank and the secondary reaction tank, small flocculation in the sewage can be combined together to form large flocculation, most of water in the flocculation is extruded, the specific gravity is increased, and the sedimentation speed is accelerated. The purposes of better removing heavy metal ions and flocculating and precipitating are achieved, the mud and solid removing effect is good, and the purpose of deep concrete wastewater treatment is achieved.
Description
Technical Field
The utility model relates to the technical field of concrete wastewater treatment, in particular to a concrete wastewater treatment device.
Background
If the wastewater of the concrete processing enterprises in the production process is directly discharged without treatment, the local water source can be polluted to a certain extent. The concrete sewage has high alkalinity, the PH value is generally above 12, the harm to crops is great, and the soil hardening and the soil salinization are easy to cause. Solid Suspended Solids (SS) in sewage are high, and if municipal pipes are easily blocked without treatment, the ditch river bed is lifted, so that a concrete wastewater treatment device is required.
The prior art CN214031937U discloses a concrete wastewater treatment device, belongs to wastewater treatment device technical field, and it includes the device main part, the lower surface of device main part inner wall passes through bearing swing joint with the lower surface of cartridge filter, the lower surface of cartridge filter inner wall is to middle part slope form, a plurality of meshing groove has been seted up to the inner wall of cartridge filter water inlet. This concrete wastewater treatment device, through being provided with the device main part, the cartridge filter, a motor, gear and filter screen, when filtering concrete wastewater, pour into the cartridge filter through the inlet tube with concrete wastewater in, drive the gear rotation through the motor, because gear and meshing groove mesh mutually, the gear can drive the cartridge filter rotation, will filter waste water through the filter screen, the sand and stone that filters down can deposit in the bottom of cartridge filter through adjusting the scum pipe discharge, the separation efficiency of water and grit in the waste water has been improved, reduce the pollution of water resource, carry out the reutilization to the grit and reduce enterprise economic loss.
The prior art adopts a physical separation mode to separate sand and sewage, and the solid suspended matters of the concrete wastewater are many, the PH value is very high, when the prior art device is used for treating sewage, the PH value of the sewage is not regulated, heavy metal ions cannot be removed, and the purposes of deep solid removal and deep precipitation of the sewage cannot be achieved.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an object of the present utility model is to provide a concrete wastewater treatment device, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.
In order to achieve the above object, an embodiment of an aspect of the present utility model provides a concrete wastewater treatment apparatus, including a raw water tank, wherein a water outlet end of the raw water tank is connected with a PH adjusting tank through a pipe and a lift pump, and the concrete wastewater treatment apparatus is characterized in that the water outlet end of the PH adjusting tank is connected with a primary reaction tank through a pipe and a lift pump;
the water outlet end of the primary reaction tank is connected with a secondary reaction tank through a pipeline and a lifting pump, and the water outlet end of the secondary reaction tank is connected with a flocculation tank through a pipeline and a lifting pump;
the bottom of the PH regulating tank, the bottom of the primary reaction tank and the bottom of the secondary reaction tank are respectively provided with a sludge outlet, the sludge outlets of the primary reaction tank, the secondary reaction tank and the PH regulating tank are connected with a sludge tank through pipelines and sludge pumps, and a plate-and-frame filter press is arranged in the sludge tank.
In any of the above schemes, it is preferable that the raw water tank is provided with a submersible sewage lifting pump and is provided with a liquid level floating ball.
The technical scheme is adopted: the device is used for treating concrete wastewater, and mainly utilizes a PH regulating tank, a primary reaction tank, a secondary reaction tank, a flocculation tank, a sludge tank and a plate-and-frame filter press to treat the concrete wastewater.
The technical scheme is adopted: the raw water tank stores sewage, balances water quality and regulates water quantity. The sewage pool is internally provided with a submersible sewage lifting pump and is provided with a liquid level floating ball, and when the sewage reaches a high liquid level, the submersible sewage lifting pump is automatically started to lift the sewage to the PH regulating pool.
The technical scheme is adopted: the PH regulating tank, the primary reaction tank and the secondary reaction tank form a neutralization sedimentation tank structure together.
In any of the above schemes, preferably, the PH adjusting tank is provided with an acid liquor adding device and an in-tank stirrer.
The technical scheme is adopted: adding an acid solution into the pH regulating tank, mixing with water thoroughly by a stirrer in the tank, and regulating the pH to 6-9 to meet the requirements of subsequent flocculation precipitation and discharge.
In any of the above schemes, preferably, a PAC dosing device is disposed in the primary reaction tank.
The technical scheme is adopted: PAC (polyaluminium chloride) is used for bridging and adsorbing tiny suspended matters such as hydroxide in water to form alum blossom small flocs, PAC has strong interfacial adsorption capacity, has high electric neutralization and bridging effects on colloid and particulate matters in water, and can strongly remove micro toxic matters and heavy metal ions.
In any of the above schemes, preferably, a PAM dosing device is disposed in the secondary reaction tank.
The technical scheme is adopted: PAM, namely polyacrylamide, combines a plurality of small flocks together to form a large flock, and most of water in the flock is extruded, so that the specific gravity is increased, and the sedimentation speed is increased. PAM has good flocculation properties and can reduce frictional resistance between liquids.
It is preferred from any of the above aspects that the flocculation basin is connected at its high water level to a drain line network by means of a pipe.
The technical scheme is adopted: the flocculated sewage flows in at the bottom of the flocculation tank, the flocculated sludge and the flocculated sediment are deposited to a mud bucket through the shallow layer principle, and the supernatant overflows to a pipe network through a clear water area.
The technical scheme is adopted: the bottoms of the primary reaction tank, the secondary reaction tank and the PH regulating tank are respectively provided with a mud outlet, after the device is used for a period of time, the mud deposited at the bottom is pumped to the mud tank for standing temporary storage, and the supernatant overflows to a recycling pipe network. The sludge kept still and temporarily stored in the sludge tank can be directly transported outwards after further dehydration by a plate-and-frame filter press. Thus, the whole treatment process of the concrete wastewater is completed.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
this concrete wastewater treatment device, with prior art's difference lies in, through the cooperation setting of PH equalizing basin, first order reaction tank, second grade reaction tank, flocculation basin, mud pond and plate and frame filter press, sewage is through the PH of PH equalizing basin back, again through the degree of depth flocculation precipitation of first order reaction tank, second grade reaction tank, can combine together the little floc in the sewage, form big floc, extrude most water in the floc, increase the proportion for sedimentation rate. The method achieves the purposes of better removing heavy metal ions and flocculating and precipitating, has good mud and solid removing effects, and achieves the purpose of deep concrete wastewater treatment, while the technical scheme in the prior art can only separate sand and sewage, and cannot achieve the purpose of deep solid removing and deep precipitating of sewage.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic diagram of the overall structure of the present utility model.
In the figure: 1-raw water tank, 2-lifting pump, 3-PH regulating tank, 4-primary reaction tank, 5-secondary reaction tank, 6-flocculation tank, 7-sludge pump, 8-sludge tank and 9-plate-and-frame filter press.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, the concrete wastewater treatment device comprises a raw water tank 1, wherein the water outlet end of the raw water tank 1 is connected with a PH regulating tank 3 through a pipeline and a lifting pump 2, and the water outlet end of the PH regulating tank 3 is connected with a primary reaction tank 4 through a pipeline and the lifting pump 2;
the water outlet end of the primary reaction tank 4 is connected with a secondary reaction tank 5 through a pipeline and a lifting pump 2, and the water outlet end of the secondary reaction tank 5 is connected with a flocculation tank 6 through a pipeline and a lifting pump 2;
the bottoms of the PH regulating tank 3, the primary reaction tank 4 and the secondary reaction tank 5 are respectively provided with a mud outlet, the mud outlets of the primary reaction tank 4, the secondary reaction tank 5 and the PH regulating tank 3 are connected with a mud tank 8 through a pipeline and a mud pump 7, and a plate-and-frame filter press 9 is arranged in the mud tank 8.
Example 1: the raw water tank 1 is provided with a submersible sewage lifting pump and is provided with a liquid level floating ball. The device is used for treating concrete wastewater, and mainly utilizes a PH regulating tank 3, a primary reaction tank 4, a secondary reaction tank 5, a flocculation tank 6, a sludge tank 8 and a plate-and-frame filter press 9 to treat the concrete wastewater.
Example 2: the raw water tank 1 stores sewage, balances water quality and regulates water quantity. The raw water tank 1 is internally provided with a submerged sewage lifting pump 2 and is provided with a liquid level floating ball, and when sewage reaches a high liquid level, the submerged sewage lifting pump 2 is automatically started to lift the sewage to the PH regulating tank 3.
Example 3: the PH regulating tank 3, the primary reaction tank 4 and the secondary reaction tank 5 form a neutralization sedimentation tank structure together. The PH regulating tank 3 is provided with an acid liquor feeding device and a stirrer in the tank. Adding an acid solution into the pH adjusting tank 3, mixing with water fully by a stirrer in the tank, and adjusting the pH to 6-9 to meet the requirements of subsequent flocculation precipitation and discharge.
Example 4: the first-stage reaction tank 4 is provided with a PAC adding device. PAC (polyaluminium chloride) is used for bridging and adsorbing tiny suspended matters such as hydroxide in water to form alum blossom small flocs, PAC has strong interfacial adsorption capacity, has high electric neutralization and bridging effects on colloid and particulate matters in water, and can strongly remove micro toxic matters and heavy metal ions.
Example 5: a PAM adding device is arranged in the secondary reaction tank 5. PAM, namely polyacrylamide, combines a plurality of small flocks together to form a large flock, and most of water in the flock is extruded, so that the specific gravity is increased, and the sedimentation speed is increased. PAM has good flocculation properties and can reduce frictional resistance between liquids. The high water level of the flocculation tank 6 is connected with a drainage pipe network through a pipeline.
Example 6: the flocculated sewage flows in at the bottom of the flocculation tank 6, the flocculated sludge and the flocculated sediment are deposited to a mud bucket through the shallow layer principle, and the supernatant overflows to a pipe network through a clear water area. The bottoms of the primary reaction tank 4, the secondary reaction tank 5 and the PH regulating tank 3 are respectively provided with a mud outlet, after the device is used for a period of time, the mud deposited at the bottom is pumped to the mud tank 8 for standing temporary storage, and the supernatant overflows to a recycling pipe network. The sludge kept still and temporarily stored in the sludge tank 8 can be directly transported outwards after being further dehydrated by a plate-and-frame filter press 9. Thus, the whole treatment process of the concrete wastewater is completed.
The working principle of the utility model is as follows:
s1, storing sewage in a raw water tank 1, balancing water quality and adjusting water quantity. The raw water tank 1 is internally provided with a submersible sewage lifting pump 2 and is provided with a liquid level floating ball, when the sewage reaches a high liquid level, the submersible sewage lifting pump 2 is automatically started to lift the sewage to the PH regulating tank 3;
s2, adding an acid solution into the pH regulating tank 3, and fully mixing with water by a stirrer in the tank, and regulating the pH to 6-9 to meet the requirements of subsequent flocculation precipitation and discharge;
s3, sewage subsequently enters a first-stage reaction tank 4, PAC (poly aluminum chloride) is added into the first-stage reaction tank 4 to enable tiny suspended matters such as hydroxide and the like in water to be bridged and adsorbed together to form alum blossom small flocs, the PAC has strong interfacial adsorption capacity, has high electric neutralization and bridging effects on colloid and particulate matters in water, and can strongly remove micro toxic matters and heavy metal ions, sewage subsequently enters a second-stage reaction tank 5, PAM (polyacrylamide) is added into the second-stage reaction tank 5 to enable a plurality of small flocs to be combined together to form large flocs, and most of water in the flocs is extruded, so that the specific gravity is increased, and the sedimentation speed is accelerated;
s4, sewage subsequently enters a flocculation tank 6, flocculated sewage flows in at the bottom layer of the flocculation tank 6, flocculated sludge and sediment are deposited to a mud bucket through a shallow layer principle, and supernatant overflows and is discharged to a pipe network through a clear water area;
s5, the bottoms of the primary reaction tank 4, the secondary reaction tank 5 and the PH regulating tank 3 are respectively provided with a mud outlet, after the device is used for a period of time, the mud deposited at the bottom is pumped to the mud tank 8 for standing temporary storage, and the supernatant overflows to a recycling pipe network. The sludge kept still and temporarily stored in the sludge tank 8 can be directly transported outwards after being further dehydrated by a plate-and-frame filter press 9. Thus, the whole treatment process of the concrete wastewater is completed.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
this concrete wastewater treatment device, with prior art's difference lies in, through the cooperation setting of PH equalizing basin 3, first order reaction tank 4, second grade reaction tank 5, flocculation tank 6, mud pond 8 and plate frame filter press, sewage is through the PH of PH equalizing basin 3 after adjusting, the degree of depth flocculation sedimentation of again through first order reaction tank 4, second grade reaction tank 5, can combine together the little floc in the sewage, form big floc, extrude most water in the floc, increase the proportion, accelerate sedimentation rate. The method achieves the purposes of better removing heavy metal ions and flocculating and precipitating, has good mud and solid removing effects, and achieves the purpose of deep concrete wastewater treatment, while the technical scheme in the prior art can only separate sand and sewage, and cannot achieve the purpose of deep solid removing and deep precipitating of sewage.
Claims (6)
1. The concrete wastewater treatment device comprises a raw water tank (1), wherein a PH regulating tank (3) is connected to the water outlet end of the raw water tank (1) through a pipeline and a lifting pump (2), and the concrete wastewater treatment device is characterized in that a primary reaction tank (4) is connected to the water outlet end of the PH regulating tank (3) through a pipeline and the lifting pump (2);
the water outlet end of the primary reaction tank (4) is connected with a secondary reaction tank (5) through a pipeline and a lifting pump (2), and the water outlet end of the secondary reaction tank (5) is connected with a flocculation tank (6) through a pipeline and a lifting pump (2);
the utility model discloses a PH equalizing basin, including PH equalizing basin (3), first-level reaction tank (4), second grade reaction tank (5), first-level reaction tank (4), second-level reaction tank (5) and PH equalizing basin (3) go out mud mouth and be connected with sludge impoundment (8) through pipeline and sludge pump (7), install plate and frame filter press (9) in sludge impoundment (8).
2. A concrete wastewater treatment plant as claimed in claim 1, wherein: the raw water pool (1) is internally provided with a submersible sewage lifting pump and is provided with a liquid level floating ball.
3. A concrete wastewater treatment plant as claimed in claim 2, wherein: an acid liquor feeding device and a stirrer in the tank are arranged in the PH regulating tank (3).
4. A concrete wastewater treatment plant as claimed in claim 3, wherein: PAC adding device is arranged in the primary reaction tank (4).
5. A concrete wastewater treatment plant as claimed in claim 4, wherein: PAM adding device is arranged in the secondary reaction tank (5).
6. A concrete wastewater treatment plant as claimed in claim 5, wherein: the high water level of the flocculation tank (6) is connected with a drainage pipe network through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320684960.9U CN220078835U (en) | 2023-03-31 | 2023-03-31 | Concrete wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320684960.9U CN220078835U (en) | 2023-03-31 | 2023-03-31 | Concrete wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220078835U true CN220078835U (en) | 2023-11-24 |
Family
ID=88825223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320684960.9U Active CN220078835U (en) | 2023-03-31 | 2023-03-31 | Concrete wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220078835U (en) |
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2023
- 2023-03-31 CN CN202320684960.9U patent/CN220078835U/en active Active
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