CN210945106U - Small-water-volume heavy metal sewage treatment tank - Google Patents
Small-water-volume heavy metal sewage treatment tank Download PDFInfo
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- CN210945106U CN210945106U CN201921359172.2U CN201921359172U CN210945106U CN 210945106 U CN210945106 U CN 210945106U CN 201921359172 U CN201921359172 U CN 201921359172U CN 210945106 U CN210945106 U CN 210945106U
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Abstract
The utility model belongs to industry sewage treatment field, concretely relates to small water yield heavy metal sewage treatment pond, separate the oil reservoir including reaction precipitation layer and collection, reaction precipitation layer sets up in the top of collecting separating the oil reservoir, reaction precipitation layer includes reaction tank and sedimentation tank, the reaction tank is provided with agitating unit and charge device, agitating unit is located the central point of reaction tank and puts, charge device is located the top of reaction tank, sedimentation tank intercommunication reaction tank, it includes the oil interceptor to collect separating the oil reservoir, collecting tank and clean water basin, oil interceptor intercommunication collecting pit, the collecting tank passes through elevator pump intercommunication reaction tank, the clean water basin is under the sedimentation tank, and the orthographic projection of sedimentation tank falls in the clean water basin. The utility model discloses divide into two-layer setting about holistic sewage treatment pond, through the arrangement of upper and lower floor with the direct overflow clear water entering clean water basin of processing water through reaction precipitation, reduce holistic area, be applicable to the heavy metal sewage treatment of the little water yield, practice thrift manpower and resource cost, easy management.
Description
Technical Field
The utility model belongs to the industrial sewage treatment field, concretely relates to small water yield heavy metal sewage treatment pond.
Background
Heavy metal wastewater is commonly found in electroplating, electronic industry and metallurgical industry, especially in electroplating and electronic industry, and its components are very complex, and besides acid and alkali-containing wastewater, it is classified according to heavy metal elements contained in heavy metal wastewater, and generally classified into chromium (Cr) -containing wastewater, nickel (Ni) -containing wastewater, cadmium (Cd) -containing wastewater, copper (Cu) -containing wastewater, zinc (Zn) -containing wastewater, gold (Au) -containing wastewater, silver (Ag) -containing wastewater, palladium-containing wastewater (Pd) -containing wastewater, and the like.
For heavy metal sewage, because of great harm to natural environment, the treatment of the sewage is generally regarded as important at home and abroad, and various treatment technologies are researched. Through the treatment of the sewage, the measures of changing the toxicity into non-toxic, changing the harm into harmless, recovering the precious metals in the sewage, recycling the purified sewage and the like are adopted, and the discharge amount of heavy metals is eliminated and reduced.
The existing heavy metal sewage treatment equipment in the current market is generally large, more structures are arranged, the occupied area is large, and cost and resource waste is caused for the treatment of the heavy metal sewage with small water volume, so that the sewage treatment efficiency is reduced, and the management is not easy.
SUMMERY OF THE UTILITY MODEL
Not enough to above-mentioned prior art, the utility model provides a small water yield heavy metal sewage treatment pond, the purpose is great for heavy metal sewage treatment pond area among the solution prior art, is unsuitable in the heavy metal sewage of small water yield, causes the technical problem of the waste of manpower, cost.
The utility model provides a little water yield heavy metal sewage treatment pond, concrete technical scheme is as follows:
a small-water-volume heavy metal sewage treatment tank, a reaction precipitation layer and a collection oil-separating layer, wherein the reaction precipitation layer is arranged above the collection oil-separating layer,
the reaction sedimentation layer comprises a reaction tank and a sedimentation tank, the reaction tank is provided with a stirring device and a dosing device, the stirring device is positioned at the central position of the reaction tank and extends into the reaction tank, the dosing device is positioned above the reaction tank, the sedimentation tank is communicated with the reaction tank,
collect oil removal layer including oil removal pond, collecting pit and clean water basin, oil removal pond intercommunication collecting pit, the collecting pit passes through the elevator pump intercommunication the reaction tank, the clean water basin is in under the sedimentation tank, just the orthographic projection of sedimentation tank falls in the clean water basin.
In some embodiments, the reaction tank is provided with two reaction tanks, including a first reaction tank and a second reaction tank, the second reaction tank is communicated with the first reaction tank, and the second reaction tank is communicated with the sedimentation tank.
In certain embodiments, the reaction cell is square or circular.
In some embodiments, the reaction tank is rectangular, and the wide edges of two sides of the reaction tank are provided with turbulence rings.
In certain embodiments, further comprising a recycling system comprising an RO membrane device, the clean water basin being connected to a storage water tank through the RO membrane device.
The utility model discloses following beneficial effect has: the utility model provides a small water yield heavy metal sewage treatment pond divide into two-layer setting about holistic sewage treatment pond, and sewage after handling through the collecting pit passes through the elevator pump and takes into the upper strata and has advanced reaction sedimentation treatment back, because the clear water basin is got into to the setting direct overflow clear water of upper and lower floor, reduces the area in whole heavy metal sewage treatment pond, is applicable to the heavy metal sewage treatment of small water yield, practices thrift manpower and resource cost, easily management.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a little water yield heavy metal sewage treatment pond, concrete technical scheme is as follows:
little water yield heavy metal sewage treatment pond, reaction precipitate layer 1 with collect oil separating layer 2, reaction precipitate layer 1 sets up in the top of collecting oil separating layer 2 to reduce area. Reaction sedimentation layer 1 includes reaction tank 11 and sedimentation tank 12, reaction tank 11 is provided with agitating unit 13 and charge device 14, agitating unit 13 is located reaction tank 11's central point and puts, and stretch into reaction tank 11, charge device 14 is located reaction tank 11's top, sedimentation tank 12 intercommunication reaction tank 11, charge device 14 adds the reaction medicine to reaction tank 11, agitating unit 13 stirs reaction tank 11, after the reaction, sewage flows into sedimentation tank 12 and deposits. In addition, the reaction tank 11 and the sedimentation tank 12 are both welded from carbon steel plates. The oil separation layer 2 comprises an oil separation tank 21, a collection tank 22 and a clean water tank 23, the oil separation tank 21 is communicated with the collection tank 22, the collection tank 22 is communicated with the reaction tank 11 through a lifting pump 24, the clean water tank 23 is arranged under the sedimentation tank 12, and the orthographic projection of the sedimentation tank 12 falls in the clean water tank 23. The collecting oil separation layer 2 can be embedded underground, so that not only can the floor area be saved, but also the whole space can be saved. The sedimentation tank 12 enters the clean water tank 23 through overflow clean water, so that a communication pipeline is omitted, and the manufacturing cost of equipment is saved.
In this embodiment, two reaction tanks 11 are provided, including a first reaction tank 111 and a second reaction tank 112, the second reaction tank 112 is communicated with the first reaction tank 111, and the second reaction tank 112 is communicated with the sedimentation tank 12. The heavy metal sewage treatment of little water yield sets up two reaction tanks 11 can, satisfies the purification demand promptly, practices thrift the space again.
In this embodiment, the reaction tank 11 has a square shape, so that the reaction substance in the reaction tank 11 is uniformly dispersed during the stirring process. In addition, the reaction tank 11 can also be round or rectangular and the wide sides at the two sides of the reaction tank 11 are provided with turbulence rings, so that the effect of uniform stirring can be realized.
In this embodiment, the small-volume heavy metal sewage treatment tank further comprises a recycling system 3, the recycling system 3 comprises an RO membrane device 31, and the clean water tank 23 is connected with the water storage tank 4 through the RO membrane device 31. In this way, the effluent which can be recycled is obtained after desalination through the RO membrane, and the recycled water is stored in the water storage tank 4 for recycling.
To sum up, the utility model provides a sewage treatment flow of little water yield heavy metal sewage treatment pond general as follows:
the oil separation tank 21 performs oil separation treatment on heavy metal sewage, the heavy metal sewage flows into the collection tank 22, the heavy metal sewage is collected after the oil separation treatment and then is pumped to the first reaction tank 111 through the lifting pump 24, the sewage flows into the sedimentation tank 12 through two-stage reaction of the first reaction tank 111 and the second reaction tank 112, overflow clear water enters the clear water tank 23, and the overflow clear water is recycled to a workshop after being treated by the RO membrane.
The above-mentioned only the utility model discloses the feasible embodiment of preferred is not right the utility model discloses a restriction, the utility model discloses also not be limited to the above-mentioned example, technical field's technical personnel the utility model discloses an in the essential scope, change, modification, interpolation or replacement made also should belong to the utility model discloses a protection scope.
Claims (5)
1. The small-water-volume heavy metal sewage treatment tank is characterized by comprising a reaction precipitation layer and a collection oil separation layer, wherein the reaction precipitation layer is arranged above the collection oil separation layer,
the reaction sedimentation layer comprises a reaction tank and a sedimentation tank, the reaction tank is provided with a stirring device and a dosing device, the stirring device is positioned at the central position of the reaction tank and extends into the reaction tank, the dosing device is positioned above the reaction tank, the sedimentation tank is communicated with the reaction tank,
collect oil removal layer including oil removal pond, collecting pit and clean water basin, oil removal pond intercommunication collecting pit, the collecting pit passes through the elevator pump intercommunication the reaction tank, the clean water basin is in under the sedimentation tank, just the orthographic projection of sedimentation tank falls in the clean water basin.
2. The small-water-volume heavy metal sewage treatment tank is characterized in that the number of the reaction tanks is two, and the reaction tanks comprise a first reaction tank and a second reaction tank, the second reaction tank is communicated with the first reaction tank, and the second reaction tank is communicated with the sedimentation tank.
3. The small volume heavy metal sewage treatment pond according to claim 1, wherein the reaction pond is square or round.
4. The small-water-volume heavy metal sewage treatment tank as claimed in claim 1, wherein the reaction tank is rectangular, and turbulent flow rings are arranged on the wide edges of two sides of the reaction tank.
5. The small volume heavy metal sewage treatment pond according to claim 1, further comprising a recycling system, wherein the recycling system comprises an RO membrane device, and the clean water pond is connected with the water storage tank through the RO membrane device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359172.2U CN210945106U (en) | 2019-08-20 | 2019-08-20 | Small-water-volume heavy metal sewage treatment tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921359172.2U CN210945106U (en) | 2019-08-20 | 2019-08-20 | Small-water-volume heavy metal sewage treatment tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210945106U true CN210945106U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921359172.2U Active CN210945106U (en) | 2019-08-20 | 2019-08-20 | Small-water-volume heavy metal sewage treatment tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN210945106U (en) |
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2019
- 2019-08-20 CN CN201921359172.2U patent/CN210945106U/en active Active
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