CN203807276U - Stainless steel pickling wastewater treatment device - Google Patents
Stainless steel pickling wastewater treatment device Download PDFInfo
- Publication number
- CN203807276U CN203807276U CN201420230107.0U CN201420230107U CN203807276U CN 203807276 U CN203807276 U CN 203807276U CN 201420230107 U CN201420230107 U CN 201420230107U CN 203807276 U CN203807276 U CN 203807276U
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- tank
- stainless steel
- settling tank
- water
- sludge
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Abstract
The utility model relates to the technical field of the environmental protection industry and in particular relates to a stainless steel pickling wastewater treatment device. The stainless steel pickling wastewater treatment device comprises a pretreatment tank, a reduction tank and a neutralization tank, wherein the pretreatment tank is provided with a wastewater inlet I; the reduction tank is provided with a wastewater inlet II; the pretreatment tank is connected with a PH regulating tank; both the PH regulating tank and the reduction tank are connected with a converging water inlet of the neutralization tank; the neutralization tank is connected with a sedimentation tank I; the sedimentation tank I is connected with a fluorine reaction tank; the fluorine reaction tank is connected with a sedimentation tank II; the sedimentation tank II is connected with a clean water tank. The stainless steel pickling wastewater treatment device has the beneficial effects that when the device is used, a step-by-step sedimentation method is used instead of a previous single-step sedimentation method; the stability of fluorine ions in the effluent is quite good; the sludge yield is reduced by more than 50-70%; 38% of iron, 9% of chromium oxide and 1% of nickel oxide contained in the generated heavy-metal sludge can be recycled; meanwhile, the cost of treatment of plenty of wastewater can be saved; the stainless steel pickling wastewater treatment device has the advantages of simple structure, reasonableness in arrangement, low manufacturing cost and the like.
Description
Technical field
The utility model relates to environmental protection industry (epi) technical field, particularly a kind of stainless steel acid cleaning waste water treatment unit.
Background technology
Acid-washing stainless steel is in order to make steel surface clean and tidy, before steel processing, with sulfuric acid or hydrochloric acid, nitric acid, hydrofluoric acid, or with the mixed solution of above-mentioned several acid, while heat, steel is carried out to the process of acid pickling and rust removing.The Cleaning Wastewater that pickling waste waters mainly produces from the surperficial spent acid that rinses steel, and the acid waste water that pickle solution is prepared, acid regeneration is discharged and the flushing of pickling line terrace produces etc.Its main objectionable constituent are Cr
6+, total Cr, Ni
2+, total Fe, F
-, SO
2- 4, NO
- 3 [1,2].For the processing of this type of waste water, at present the most frequently used is exactly in lime and the single step precipitator method.Neutralisation is simple and easy to do, but has the problems such as water outlet fluorinion concentration is unstable, sludge quantity is large, processing cost is high.
Therefore be necessary present stainless steel acid cleaning waste water treatment unit to carry out technical renovation further.
utility model content
The purpose of this utility model is for the defect of prior art and deficiency, and stainless steel acid cleaning waste water treatment unit a kind of simple in structure, reasonable in design, easy to use is provided.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of stainless steel acid cleaning waste water treatment unit described in the utility model, comprises pretreatment pool, reduction pond and neutralization tank, and described pretreatment pool is provided with water intake one, and described reduction pond is provided with water intake two; The water outlet of pretreatment pool is connected with pH regulator pond, and pH regulator pond is all connected with the water-in that converges of neutralization tank with the water outlet in reduction pond; The water outlet of described neutralization tank is connected with settling tank one, and the water outlet of described settling tank one is connected with fluorine reaction tank, and the water outlet of fluorine reaction tank is connected with settling tank two, and the water outlet of described settling tank two is connected with clean water basin.
Further, described in, converge water-in and be Eight characters shape.
Further, between described settling tank two and clean water basin, be provided with intermediate pool.
Further, it also comprises sludge pump and sludge pipe, at the bottom of the pond of described settling tank one and settling tank two, is provided with sludge pump; The sludge pump of described settling tank one is connected with sludge sump one by sludge pipe; The sludge pump of described settling tank two is connected with sludge sump two by sludge pipe.
Further, the water-in of described pretreatment pool, pH regulator pond, neutralization tank, settling tank one, fluorine reaction tank, settling tank two, intermediate pool and clean water basin and water outlet equal diagonal angle setting.
Adopt after said structure, the utility model beneficial effect is: a kind of stainless steel acid cleaning waste water treatment unit described in the utility model, comprise pretreatment pool, reduction pond and neutralization tank, described pretreatment pool is provided with water intake one, and described reduction pond is provided with water intake two; The water outlet of pretreatment pool is connected with pH regulator pond, and pH regulator pond is all connected with the water-in that converges of neutralization tank with the water outlet in reduction pond; The water outlet of described neutralization tank is connected with settling tank one, and the water outlet of described settling tank one is connected with fluorine reaction tank, and the water outlet of fluorine reaction tank is connected with settling tank two, and the water outlet of described settling tank two is connected with clean water basin.When using the utility model, by step-by-step precipitation method, substitute the single step precipitator method in the past, water outlet fluorion stability is very good, mud decrement effect is remarkable, dry mud productive rate reduces more than 50～70%, and the heavy metal sewage sludge iron content 38%, chromic oxide 9%, the nickel oxide 1% that produce all can be recycled; Can save a large amount of cost for wastewater treatment simultaneously.The utlity model has simple in structurely, arrange rationally, the advantage such as cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Description of reference numerals:
1, pretreatment pool; 1-1, water intake one; 2, pH regulator pond; 3, reduction pond;
3-1, water intake two; 4, neutralization tank; 4-1, converge water-in; 5, settling tank one;
6, sludge sump one; 7, sludge pump; 8, sludge pipe; 9, fluorine reaction tank;
10, settling tank two; 11, intermediate pool; 12, clean water basin; 13, sludge sump two.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of stainless steel acid cleaning waste water treatment unit described in the utility model, comprises pretreatment pool 1, reduction pond 3 and neutralization tank 4, and described pretreatment pool 1 is provided with water intake one 1-1, and described reduction pond 3 is provided with water intake two 3-1; The water outlet of pretreatment pool 1 is connected with pH regulator pond 2, and pH regulator pond 2 is all connected with the water-in 4-1 that converges of neutralization tank 4 with the water outlet in reduction pond 3; The water outlet of described neutralization tank 4 is connected with settling tank 1, and the water outlet of described settling tank 1 is connected with fluorine reaction tank 9, and the water outlet of fluorine reaction tank 9 is connected with settling tank 2 10, and the water outlet of described settling tank 2 10 is connected with clean water basin 12.
As a kind of optimal way of the present utility model, described in converge water-in 4-1 and be Eight characters shape.
As a kind of optimal way of the present utility model, between described settling tank 2 10 and clean water basin 12, be provided with intermediate pool 11.
As a kind of optimal way of the present utility model, it also comprises sludge pump 7 and sludge pipe 8, at the bottom of the pond of described settling tank 1 and settling tank 2 10, is provided with sludge pump 7; The sludge pump 7 of described settling tank 1 is connected with sludge sump 1 by sludge pipe 8; The sludge pump 7 of described settling tank 2 10 is connected with sludge sump 2 13 by sludge pipe 8.
As a kind of optimal way of the present utility model, the water-in of described pretreatment pool 1, pH regulator pond 2, neutralization tank 4, settling tank 1, fluorine reaction tank 9, settling tank 2 10, intermediate pool 11 and clean water basin 12 and water outlet equal diagonal angle setting.
When using the utility model, by step-by-step precipitation method, substitute the single step precipitator method in the past, water outlet fluorion stability is very good, mud decrement effect is remarkable, dry mud productive rate reduces more than 50～70%, and the heavy metal sewage sludge iron content 38%, chromic oxide 9%, the nickel oxide 1% that produce all can be recycled; Can save a large amount of cost for wastewater treatment simultaneously.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a stainless steel acid cleaning waste water treatment unit, it is characterized in that: comprise pretreatment pool (1), reduction pond (3) and neutralization tank (4), described pretreatment pool (1) is provided with water intake one (1-1), and described reduction pond (3) is provided with water intake two (3-1); The water outlet of pretreatment pool (1) is connected with pH regulator pond (2), and pH regulator pond (2) are all connected with the water-in (4-1) that converges of neutralization tank (4) with the water outlet in reduction pond (3); The water outlet of described neutralization tank (4) is connected with settling tank one (5), the water outlet of described settling tank one (5) is connected with fluorine reaction tank (9), the water outlet of fluorine reaction tank (9) is connected with settling tank two (10), and the water outlet of described settling tank two (10) is connected with clean water basin (12).
2. a kind of stainless steel acid cleaning waste water treatment unit according to claim 1, is characterized in that: described in converge water-in (4-1) and be Eight characters shape.
3. a kind of stainless steel acid cleaning waste water treatment unit according to claim 1, is characterized in that: between described settling tank two (10) and clean water basin (12), be provided with intermediate pool (11).
4. a kind of stainless steel acid cleaning waste water treatment unit according to claim 1, is characterized in that: it also comprises sludge pump (7) and sludge pipe (8), at the bottom of the pond of described settling tank one (5) and settling tank two (10), is provided with sludge pump (7); The sludge pump (7) of described settling tank one (5) is connected with sludge sump one (6) by sludge pipe (8); The sludge pump (7) of described settling tank two (10) is connected with sludge sump two (13) by sludge pipe (8).
5. according to the arbitrary described a kind of stainless steel acid cleaning waste water treatment unit of claim 1-4, it is characterized in that: the water-in of described pretreatment pool (1), pH regulator pond (2), neutralization tank (4), settling tank one (5), fluorine reaction tank (9), settling tank two (10), intermediate pool (11) and clean water basin (12) and water outlet equal diagonal angle setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230107.0U CN203807276U (en) | 2014-05-07 | 2014-05-07 | Stainless steel pickling wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420230107.0U CN203807276U (en) | 2014-05-07 | 2014-05-07 | Stainless steel pickling wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203807276U true CN203807276U (en) | 2014-09-03 |
Family
ID=51446061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420230107.0U Withdrawn - After Issue CN203807276U (en) | 2014-05-07 | 2014-05-07 | Stainless steel pickling wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203807276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922516A (en) * | 2014-05-07 | 2014-07-16 | 苏州皇森机电科技有限公司 | Stainless steel pickling wastewater treatment device |
| CN104787928A (en) * | 2015-04-16 | 2015-07-22 | 南阳师范学院 | Recovery processing method of stainless steel acid pickling waste liquid containing iron, chromium and nickel |
-
2014
- 2014-05-07 CN CN201420230107.0U patent/CN203807276U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922516A (en) * | 2014-05-07 | 2014-07-16 | 苏州皇森机电科技有限公司 | Stainless steel pickling wastewater treatment device |
| CN104787928A (en) * | 2015-04-16 | 2015-07-22 | 南阳师范学院 | Recovery processing method of stainless steel acid pickling waste liquid containing iron, chromium and nickel |
| CN104787928B (en) * | 2015-04-16 | 2016-10-05 | 南阳师范学院 | A kind of iron content, chromium, the recovery and treatment method of nickel and stainless steel pickle liquor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |