CN206408005U - Pickling waste waters processing system - Google Patents
Pickling waste waters processing system Download PDFInfo
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- CN206408005U CN206408005U CN201621432738.6U CN201621432738U CN206408005U CN 206408005 U CN206408005 U CN 206408005U CN 201621432738 U CN201621432738 U CN 201621432738U CN 206408005 U CN206408005 U CN 206408005U
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Abstract
The utility model discloses a kind of pickling waste waters processing system, including regulating reservoir and intermediate pool, it is connected with oxidation pond, winding shaft, coagulation reaction tank, inclined-plate clarifying basin and PH readjustments pond between the regulating reservoir and intermediate pool in turn, wastewater recycling device is also associated with after the intermediate pool, wastewater recycling device includes at least one manganese sand filter and the reuse pool being sequentially connected.Plant effluent gravity flow, which enters, sequentially enters regulating reservoir, oxidation pond, is then promoted to coagulation reaction tank by pump, mud-water separation is carried out subsequently into inclined-plate clarifying basin.The good waste water of preliminary treatment flow to PH readjustments pond, PH is pulled back into 69, subsequently into reuse pool, a part of water qualified discharge, another part water is promoted to manganese sand filter by booster pump, the suspension gone in water removal.The good waste water of final process flow to reuse pool and then used for workshop, can so greatly save water resource, saves entreprise cost.
Description
Technical field
The utility model is related to technical field of waste water processing, more particularly to pickling waste waters processing system.
Background technology
Acid cleaning process needs to remove steel surface iron scale in process of production in China's steel and iron industry, metal product industry
Carry out that in pickling processes, acid cleaning process substantial amounts of acid pickle can be produced, the composition of sulfuric acid pickling waste liquid is mainly：Free acid, sulphur
The impurity such as sour ferrous, water and suspension, typically when concentration is more than 250g/L less than ferrous sulfate content in less than 4% acid pickle
Form acid pickle.For the spent acid that can not be used, there is strict management in national environmental protection department, and directly discharge is not allowed.China this
Class waste liquid discharging amount is surprising, and pickle liquor about 200kg can be produced by typically producing steel per ton.Current steel and iron industry turns into uses water
Rich and influential family, while being also that waste liquid produces rich and influential family.Iron and steel enterprise discharges very many waste water containing spent acid per annual meeting, causes environment dirty
Contaminate and waste water resource is serious.
Utility model content
The purpose of this utility model is to provide a kind of pickling waste waters processing system efficiently, environmentally friendly.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of pickling waste waters processing system, including regulating reservoir and intermediate pool, between the regulating reservoir and intermediate pool according to
Secondary be connected with after oxidation pond, winding shaft, coagulation reaction tank, inclined-plate clarifying basin and PH adjust back pond, the intermediate pool is also associated with
Wastewater recycling device, wastewater recycling device includes at least one manganese sand filter and the reuse pool being sequentially connected.
By using such scheme, plant effluent gravity flow enters after regulating reservoir, subsequently into oxidation pond, is exposed in oxidation pond
Oxidation of divalent iron ion in water into winding shaft is entered after ferric ion, coagulation reaction tank is promoted to by pump by gas,
The pH value in NaOH, regulation water is added in coagulating groove, then the ferric ion gone in water removal adds flocculant, coagulation
Agent, the tiny iron hydroxide suspension in water is flocculated and bulky grain suspension is formed, carried out subsequently into inclined-plate clarifying basin
Mud-water separation.The good waste water of preliminary treatment flow to PH readjustments pond, and PH is pulled back into 6-9, subsequently into reuse pool, a part of water
Qualified discharge, a part of water is promoted to manganese sand filter by booster pump, the suspension gone in water removal.The good waste water of final process
It flow to reuse pool and then is used for workshop, can so greatly save water resource, saves entreprise cost.
As a kind of improvement of the present utility model, the inclined-plate clarifying basin is also connected with sludge concentration tank and sheet frame pressure in turn
Filter.
By using such scheme, the mud discharging isolated in inclined-plate clarifying basin to sludge concentration tank is carried out preliminary dense
After contracting, then by pump take to plate and frame filter press to wet mud carry out dewater treatment, can facilitate dewatered sludge transport carry out next step
Processing.
As a kind of improvement of the present utility model, the reuse pool connects between intermediate pool and the husky filter of manganese respectively
It is connected with the first return duct and the second return duct.
By using such scheme, unnecessary processed waste water can be drained into centre by reuse pool by the first return duct
Pond, and externally discharged by intermediate pool.Reuse pool can will filter halfway by the second return duct in reuse pool
Waste water is filtered again from new drain into manganese sand filter, waste water is reached reuse standard.
As a kind of improvement of the present utility model, the first pipe is communicated between the plate and frame filter press and the winding shaft
Road.
By using such scheme, plate and frame filter press can be by the filtrate being squeezed out in wet mud weight by the first pipeline
Newly drain into winding shaft so that the processing of untreated complete filtrate again Jing Guo coagulation reaction tank.
As a kind of improvement of the present utility model, first is connected in the coagulation reaction tank and PH readjustments pond
PH Real time displayings instrument and the 2nd PH Real time displaying instrument.
By using such scheme, be connected in coagulation reaction tank and PH readjustments pond the first PH Real time displayings instrument and
2nd PH Real time displaying instrument, can implement to learn the PH of waste water from the first PH Real time displayings instrument and the 2nd PH Real time displaying instrument
Value, so as to adjust the component of the dosing toward in coagulation reaction tank and PH readjustments pond in time, it is ensured that the pH value of waste water reaches discharge will
Ask.
As it is of the present utility model it is a kind of improve, neutralization pond that the mixed reaction pond includes being sequentially communicated, PAC ponds and
PAM ponds, the neutralization pond is communicated with the molten drug slots of NaOH, and the PAC ponds are communicated with the molten drug slots of PAC, and the PAM ponds are communicated with PAM
Molten drug slot, the first PH Real time displayings instrument is in the neutralization pond, and the PH readjustments pond is communicated with the molten drug slot of hydrochloric acid.
By using such scheme, the molten medicines of NaOH being passed through in neutralization pond can neutralize the acid in waste water, moreover it is possible to go in water removal
Ferric ion, can will be tiny in water then by the effect of the molten medicines of PAM in the molten medicines of PAC and PAM ponds in PAC ponds
Iron hydroxide suspension flocculate and form bulky grain suspension, it is convenient follow-up bulky grain suspension to be subjected to mud-water separation.Through
The waste water after mud-water separation is crossed to flow into PH readjustments pond, and react with hydrochloric acid can neutralize before to be passed through excessive NaOH molten
Medicine, it is ensured that the pH value of waste water reaches emission request.
As a kind of improvement of the present utility model, the inclined-plate clarifying basin includes pond body, and the upper end of pond body is offered into water
A baffle plate is provided with after mouth and delivery port, the water inlet, space, the gear are left between the baffle plate and the bottom of the pond body
Backboard is provided with least one inclined plate packing from the direction level of water inlet, and the pond body bottom is provided with some sludge buckets, the dirt
The bottom of bucket offers blow-off pipe, and second pipe is communicated between the blow-off pipe and the sludge concentration tank.
By using such scheme, the waste water that the pond body of inclined-plate clarifying basin is entered from water inlet can be bumped against first on baffle plate, from
And slowed down the flow velocity of waste water, then slowly flow through, carried out subsequently into inclined plate packing from the space of baffle plate and pond body bottom
Mud-water separation, the sludge being separated can be deposited in the bottom of sludge bucket due to self gravitation, finally open sludge bucket bottom and open
If blow-off pipe sludge directly can be drained into sludge concentration tank, so as to reduce total concentration of iron in waste water, reach wastewater treatment mesh
's.
In summary, the utility model has the advantages that：
1st, wastewater recycling device is increased after wastewater treatment, wastewater recycling device includes at least one the manganese sand being sequentially connected
Filter and reuse pool, waste water can remove the suspension in water by manganese sand filter, and the good waste water of final process is flow to back
Then millpond uses for workshop, can so greatly save water resource, saves entreprise cost；
2nd, reuse pool is communicated with the first return duct and the second return duct between intermediate pool and the husky filter of manganese respectively.
Unnecessary processed waste water can be drained into intermediate pool by reuse pool by the first return duct, and externally be arranged by intermediate pool
Put.Reuse pool can will filter halfway waste water by the second return duct and be drained into from newly in manganese sand filter in reuse pool
Filtered again, waste water is reached reuse standard；
3rd, the mud discharging isolated in inclined-plate clarifying basin to sludge concentration tank is carried out after initial concentration, then passes through pump band
Dewater treatment is carried out to wet mud to plate and frame filter press, dewatered sludge can be facilitated to transport and be further processed；In plate compression
The first pipeline is communicated between machine and the winding shaft, plate and frame filter press will can be squeezed out by the first pipeline in wet mud
Filtrate drain into winding shaft again so that the processing of untreated complete filtrate again Jing Guo coagulation reaction tank；
4th, the first PH Real time displayings instrument and the 2nd PH Real time displayings are connected in coagulation reaction tank and PH readjustments pond
Instrument, can implement to learn the pH value of waste water from the first PH Real time displayings instrument and the 2nd PH Real time displaying instrument, so as to tune in time
The whole component toward dosing in coagulation reaction tank and PH readjustments pond, it is ensured that the pH value of waste water reaches emission request.
Brief description of the drawings
Fig. 1 is the flow chart of pickling waste waters processing system；
Fig. 2 is the structural representation of inclined-plate clarifying basin.
In figure, the 1, first return duct；2nd, the second return duct；3rd, the first pipeline；4th, second pipe；5th, the first PH Real time displayings
Instrument；6th, the 2nd PH Real time displaying instrument；7th, pond body；701st, water inlet；702nd, delivery port；8th, baffle plate；9th, inclined plate packing；10th, sludge
Bucket；1001st, blow-off pipe；11A, coagulation reaction tank；11B, inclined-plate clarifying basin；11C, PH adjust back pond.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment：
Reference picture 1, a kind of pickling waste waters processing system, including regulating reservoir, oxidation pond, winding shaft, the coagulation being sequentially connected
Reaction tank 11A, inclined-plate clarifying basin 11B, PH readjustment pond 11C and intermediate pool.Coagulation reaction tank 11A includes the neutralization being sequentially communicated
Pond, PAC ponds and PAM ponds, neutralization pond are communicated with the molten drug slots of NaOH by dosing pump, and PAC ponds are communicated with the molten medicines of PAC by dosing pump
Groove, PAM ponds are communicated with the molten drug slots of PAM by dosing pump, and PH readjustments pond 11C is communicated with the molten drug slot of hydrochloric acid by dosing pump.
Intermediate pool is also associated with wastewater recycling device, and wastewater recycling device includes two manganese sand filters being sequentially connected
And reuse pool, reuse pool is communicated with the first return duct 1 and the second backflow between intermediate pool and manganese sand filter respectively
Pipe 2.
With reference to Fig. 1 and Fig. 2, the first PH Real time displayings instrument 5 is respectively arranged with coagulation reaction tank 11A and PH readjustment pond 11C
With the 2nd PH Real time displayings instrument 6, and the first PH Real time displayings instrument 5 is in the neutralization pond.
Inclined-plate clarifying basin 11B includes pond body 7, and the upper end of pond body 7 offers water inlet 701 and delivery port 702, water inlet
A baffle plate 8 is provided with after 701, space is left between baffle plate 8 and the bottom of the pond body 7, baffle plate 8 deviates from the direction of water inlet 701
Level is provided with one of inclined plate packing 9, and the bottom of pond body 7 is provided with four sludge buckets 10, and the bottom of sludge bucket 10 offers blow-off pipe
1001, blow-off pipe 1001 is connected by second pipe 4 with sludge concentration tank.Sludge concentration tank passes through sludge membrane pump and sheet frame pressure
Filter is connected, and the first pipeline 3 is also associated between plate and frame filter press and winding shaft.
In specifically processing waste water, plant effluent gravity flow enters after regulating reservoir, subsequently into oxidation pond, is exposed in oxidation pond
Oxidation of divalent iron ion in water into winding shaft is entered after ferric ion, coagulation reaction tank 11A is promoted to by pump by gas,
The pH value in NaOH, regulation water is added in coagulating groove, then the ferric ion gone in water removal adds flocculation
Agent, coagulant, the tiny iron hydroxide suspension in water is flocculated and bulky grain suspension is formed, subsequently into sloping plate deposition
Pond 11B carries out mud-water separation.The good waste water of preliminary treatment flow to PH readjustment pond 11C, PH is pulled back into 6-9, subsequently into reuse
Pond, a part of water qualified discharge, a part of water is promoted to manganese sand filter by booster pump, the suspension gone in water removal.Most
The waste water handled well eventually flow to reuse pool and then used for workshop.The mud discharging isolated in inclined-plate clarifying basin 11B is arrived
Sludge concentration tank is carried out after initial concentration, then takes plate and frame filter press to wet mud progress dewater treatment by sludge membrane pump,
Dewatered sludge can be facilitated to transport to be further processed.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of pickling of metal Waste Water Treatment, including regulating reservoir and intermediate pool, it is characterised in that the regulating reservoir is with
Between be connected with oxidation pond, winding shaft, coagulation reaction tank in turn between pond（11A）, inclined-plate clarifying basin（11B）Pond is adjusted back with PH
（11C）, wastewater recycling device is also associated with after the intermediate pool, wastewater recycling device includes at least one manganese being sequentially connected
Sand filter and reuse pool.
2. pickling of metal Waste Water Treatment according to claim 1, the inclined-plate clarifying basin（11B）Also it is connected with turn
Sludge concentration tank and plate and frame filter press.
3. pickling of metal Waste Water Treatment according to claim 1, the reuse pool respectively with intermediate pool and manganese
The first return duct is communicated between sand filter（1）With the second return duct（2）.
4. pickling of metal Waste Water Treatment according to claim 2, between the plate and frame filter press and the winding shaft
It is communicated with the first pipeline（3）.
5. pickling of metal Waste Water Treatment according to claim 1, the coagulation reaction tank（11A）With PH readjustments
Pond（11C）Inside it is connected to the first PH Real time displaying instrument（5）With the 2nd PH Real time displaying instrument（6）.
6. pickling of metal Waste Water Treatment according to claim 5, the coagulation reaction tank（11A）Including being sequentially communicated
Neutralization pond, PAC ponds and PAM ponds, the neutralization pond is communicated with the molten drug slots of NaOH, and the PAC ponds are communicated with the molten drug slots of PAC, institute
State PAM ponds and be communicated with the molten drug slots of PAM, the first PH Real time displaying instrument（5）In the neutralization pond, the PH adjusts back pond
（11C）It is communicated with the molten drug slot of hydrochloric acid.
7. pickling of metal Waste Water Treatment according to claim 1, the inclined-plate clarifying basin（11B）Including pond body（7）,
Pond body（7）Upper end offer water inlet（701）And delivery port（702）, the water inlet（701）A baffle plate is provided with afterwards（8）, institute
State baffle plate（8）With the pond body（7）Bottom between leave space, the baffle plate（8）Away from water inlet（701）Direction level
Provided with least one inclined plate packing（9）, the pond body（7）Bottom is provided with some sludge buckets（10）, the sludge bucket（10）Bottom
Portion offers blow-off pipe（1001）, the blow-off pipe（1001）Second pipe is communicated between the sludge concentration tank（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432738.6U CN206408005U (en) | 2016-12-24 | 2016-12-24 | Pickling waste waters processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621432738.6U CN206408005U (en) | 2016-12-24 | 2016-12-24 | Pickling waste waters processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206408005U true CN206408005U (en) | 2017-08-15 |
Family
ID=59552012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621432738.6U Active CN206408005U (en) | 2016-12-24 | 2016-12-24 | Pickling waste waters processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206408005U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585908A (en) * | 2017-09-28 | 2018-01-16 | 陕西富兴环保科技有限公司 | Automatic business processing control system for titanium processing pickling sewage |
| CN109231562A (en) * | 2018-10-22 | 2019-01-18 | 江苏中远稀土新材料有限公司 | A kind of surface treatment waste water comprehensive processing method |
| CN110040865A (en) * | 2018-01-17 | 2019-07-23 | 宁波春秋环保工程有限公司 | A kind of pickling waste waters processing method and its nitrate treatment device rich in nitrate |
-
2016
- 2016-12-24 CN CN201621432738.6U patent/CN206408005U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585908A (en) * | 2017-09-28 | 2018-01-16 | 陕西富兴环保科技有限公司 | Automatic business processing control system for titanium processing pickling sewage |
| CN110040865A (en) * | 2018-01-17 | 2019-07-23 | 宁波春秋环保工程有限公司 | A kind of pickling waste waters processing method and its nitrate treatment device rich in nitrate |
| CN109231562A (en) * | 2018-10-22 | 2019-01-18 | 江苏中远稀土新材料有限公司 | A kind of surface treatment waste water comprehensive processing method |
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