CN209619062U - A kind of sulfur-containing waste water processing system - Google Patents
A kind of sulfur-containing waste water processing system Download PDFInfo
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- CN209619062U CN209619062U CN201920115287.0U CN201920115287U CN209619062U CN 209619062 U CN209619062 U CN 209619062U CN 201920115287 U CN201920115287 U CN 201920115287U CN 209619062 U CN209619062 U CN 209619062U
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- China
- Prior art keywords
- tank
- discharge bay
- sulfur
- reaction tank
- waste water
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- 238000012545 processing Methods 0.000 title claims abstract description 30
- 239000002351 wastewater Substances 0.000 title claims abstract description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000011593 sulfur Substances 0.000 title claims abstract description 23
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 239000010802 sludge Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000003750 conditioning effect Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 7
- 239000011790 ferrous sulphate Substances 0.000 claims abstract description 6
- 235000003891 ferrous sulphate Nutrition 0.000 claims abstract description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims abstract description 6
- 230000001376 precipitating effect Effects 0.000 claims abstract description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 26
- 239000010865 sewage Substances 0.000 claims description 7
- 238000004073 vulcanization Methods 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 150000003568 thioethers Chemical class 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 description 6
- 150000003464 sulfur compounds Chemical class 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000005864 Sulphur Substances 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 150000004763 sulfides Chemical class 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000002508 compound effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical group Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of sulfur-containing waste water processing systems, including sequentially connected conditioning tank, first reaction tank, second reaction tank, intermediate pool, pipe type ultrafiltration device and discharge bay, ferrous sulfate dosing is equipped in first reaction tank, calcium hydroxide dosing is equipped in second reaction tank, the intermediate pool is also connected with sludge concentration tank, the liquid that the sludge concentration tank generates enters conditioning tank, the precipitating of generation enters sludge treatment equipment, the pipe type ultrafiltration device also passes through bypass line and is connected to intermediate pool, the discharge bay also passes through return line and is connected to conditioning tank.The utility model can effectively remove sulfides from wastewater, it is ensured that final outflow water qualified discharge not can cause environmental pollution.
Description
Technical field
The utility model relates to sewage treatment fields, and in particular to a kind of sulfur-containing waste water processing system.
Background technique
It can generate during the industry productions such as oil and gas exploitation, refining, chemical industry, metallurgy, process hides and largely contain
Sulphur waste water, the sulfide in sulfur-containing waste water have the characteristics that toxicity is big, corrosivity is strong, can seriously destroy metal equipment pipeline, give
City, process sewer and oil-gas field development bring huge economic loss.Sulfur-containing waste water, which can also overflow, has nervous system
There are strong toxic action and the H with penetrating odor2S gas, was not only detrimental to health, but also caused greatly to pollute to environment.
Therefore, how research efficiently simply administers such waste water as focus concerned by people.
Currently, handling sulfur-containing waste water frequently with coagulant sedimentation both at home and abroad, coagulant sedimentation is to utilize some metals and sulphur
Compound effect generates insoluble sediment to remove sulphide removal, and common precipitating reagent is molysite, including ferrous salt and high-speed rail
Salt.Coagulant sedimentation investment is small, easy to operate, but the fine precipitates precipitability that this method generates is poor, and mud-water separation is difficult,
Treatment effect is difficult to be controlled.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of sulfur-containing waste water processing system
System, it can effectively remove sulfides from wastewater, it is ensured that final outflow water qualified discharge will not cause dirt to environment
Dye.
In order to solve the above technical problems, the utility model proposes technical solution are as follows: a kind of sulfur-containing waste water processing system, packet
Include sequentially connected conditioning tank, the first reaction tank, the second reaction tank, intermediate pool, pipe type ultrafiltration device and discharge bay, described
It is equipped with ferrous sulfate dosing in one reaction tank, is equipped with calcium hydroxide dosing in second reaction tank, the intermediate pool also connects
It is connected to sludge concentration tank, the liquid that the sludge concentration tank generates enters conditioning tank, and the precipitating of generation enters sludge treatment equipment,
The pipe type ultrafiltration device also passes through bypass line and is connected to intermediate pool, and the discharge bay also passes through return line and conditioning tank
Pond connection.
As a further improvement of the above technical scheme: second reaction tank is equipped with online PH sensor, and described the
PH in two reaction tanks is 7.0~8.0.
Further, sulfide in-line analyzer is equipped in the discharge bay, in discharge bay sulfide control 1.0~
3.0mg/L。
Further, as sulfide < 1.0mg/l in the discharge bay, the flowing water Valve of discharge bay is opened, and entrance is subsequent
Processing unit；As sulfide > 3.0mg/l in the discharge bay, the flowing water Valve of discharge bay is closed, and opens return line, dirty
Water, which is again introduced into conditioning tank, re-starts processing, until water outlet sulfide index reaches requirement.
Further, electrically operated valve is mounted on the bypass line and return line.
Further, the sludge concentration tank is integral type sludge concentration tank, and the sludge treatment equipment is automatic plate and frame
Sludge filter press.
The processing method of above-mentioned sulfur-containing waste water processing system, includes the following steps:
1) so that sour water is introduced into conditioning tank, and then enter the first reaction tank, it is sub- that sulfuric acid is added into the first reaction tank
The mixed solution of iron, formation enters the second reaction tank, then addition calcium hydroxide progress adequately mixing is anti-into the second reaction tank
It answers, and controls the PH in the second reaction tank in alkalinity；
2) the second reaction tank reaction product flows into intermediate pool and carries out precipitation and separation, the mud of intermediate pool bottom precipitation
Aqueous mixtures, which enter in sludge concentration tank, to be handled, and intermediate pool upper liquid enters in pipe type ultrafiltration device；
3) clear liquid generated after pipe type ultrafiltration device is handled enters discharge bay, the dope of generation through bypass line again into
Enter in intermediate pool；
4) sulfur compound measurement is carried out to the clear liquid entered in intermediate pool, when the discharge of institute's sulfur compound satisfaction is wanted in clear liquid
It is discharged after asking, when institute's sulfur compound is unsatisfactory for emission request in clear liquid, clear liquid returns in conditioning tank through return line.
As a further improvement of the above technical scheme: in the step 4) in discharge bay sulfide control 1.0~
3.0mg/L, as sulfide < 1.0mg/l in the discharge bay, the flowing water Valve of discharge bay is opened, into subsequent processing list
Member；As sulfide > 3.0mg/l in the discharge bay, the flowing water Valve of discharge bay is closed, and opens return line, sewage is again
Processing is re-started in into conditioning tank, until water outlet sulfide index reaches requirement.
Further, contain sludge treatment equipment, the muddy water in sludge concentration tank in the sludge concentration tank in the step 2)
Through sludge treatment equipment, treated that sewage enters in conditioning tank.
Further, the PH in the second reaction tank in the step 1) is 7.0~8.0.
The working principle of the utility model is: sulfides from wastewater is chemically reacted with ferrous ion, generate insoluble
Ferrous sulfide sediment, sulfate is chemically reacted with calcium ion in waste water, generates the calcium sulfate precipitation object for being slightly soluble in water, is led to
The Physical entrapment characteristic for crossing tubular ultra-filtration membrane is removed.
Compared with the prior art, the advantages of the utility model are:
1, the sulfur-containing waste water processing system of the utility model is easy to operate, to sulfide removal effect stability, effluent quality
Effect is good；
2, the sulfur-containing waste water processing system of the utility model passes through the application of tubular type ultrafiltration system, and it is tiny heavy to effectively prevent
Starch is poor, the defect of mud-water separation difficulty；
3, the sulfur-containing waste water processing system of the utility model is by being arranged sulfide in-line analyzer in discharge bay, according to sulphur
The unlatching of compound in-line analyzer testing result control control flowing water Valve, reduces the waste of medicament, reduces production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Marginal data:
1, the first reaction tank；11, ferrous sulfate dosing；2, the second reaction tank；21, calcium hydroxide dosing；22, online PH is passed
Sensor；3, intermediate pool；4, pipe type ultrafiltration device；41, bypass line；5, discharge bay；51, return line；52, line analysis instrument；
6, sludge concentration tank；7, sludge treatment equipment.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the protection scope of the utility model is not limited to embodiment in detail below.
As shown in Figure 1, a kind of sulfur-containing waste water processing system, including sequentially connected conditioning tank 8, the first reaction tank 1, second
Reaction tank 2, intermediate pool 3, pipe type ultrafiltration device 4 and discharge bay 5, are equipped with ferrous sulfate dosing 11 in the first reaction tank 1, and second
Calcium hydroxide dosing 21 is equipped in reaction tank 2, intermediate pool 3 is also connected with sludge concentration tank 6, the liquid that sludge concentration tank 6 generates
Body enters conditioning tank 8, and the precipitating of generation enters sludge treatment equipment 7, and pipe type ultrafiltration device 4 also passes through bypass line 41 and centre
Pond 3 is connected to, and discharge bay 5 is also connected to by return line 51 with conditioning tank 8.
In the present embodiment, the second reaction tank 2 is equipped with online PH sensor 22, and the PH in the second reaction tank 2 is 7.5.
In the present embodiment, sulfide in-line analyzer 52 is equipped in discharge bay 5, in discharge bay 5 sulfide control 1.0~
3.0mg/L。
In the present embodiment, as sulfide < 1.0mg/l in discharge bay 5, the flowing water Valve of discharge bay 5 is opened, after
Continuous processing unit；As sulfide > 3.0mg/l in discharge bay 5, the flowing water Valve of discharge bay 5 is closed, and opens return line 51,
Sewage, which is again introduced into conditioning tank 8, re-starts processing, until water outlet sulfide index reaches requirement.
In the present embodiment, electrically operated valve is mounted on bypass line 41 and return line 51.
In the present embodiment, sludge concentration tank 6 is integral type sludge concentration tank, and sludge treatment equipment 7 is that automatic plate and frame is dirty
Mud filter press.
The processing method of above-mentioned sulfur-containing waste water processing system, includes the following steps:
1) so that sour water is introduced into conditioning tank 8, and then enter the first reaction tank 1, sulfuric acid is added into the first reaction tank 1
The mixed solution of ferrous iron, formation enters the second reaction tank 2, then calcium hydroxide is added into the second reaction tank 2 and is adequately mixed
Reaction is closed, and controls the PH in the second reaction tank 2 in alkalinity, reacts life with sulfide in sulfur-containing waste water by the way that ferrous sulfate is added
At ferrous sulfide sediment, generation calcium sulfate precipitation object is reacted with sulfate radical in sulfur-containing waste water by the way that calcium hydroxide is added；
2) 1 reaction product of the second reaction tank flows into intermediate pool 3 and carries out precipitation and separation, 3 bottom precipitation of intermediate pool
Mud mixture enter in sludge concentration tank 6 and handled, 3 upper liquid of intermediate pool enters in pipe type ultrafiltration device 4；
3) clear liquid that generates enters discharge bay 5 after the processing of pipe type ultrafiltration device 1, the dope of generation through bypass line 41 again
It is secondary to enter in intermediate pool 3；
4) sulfur compound measurement is carried out to the clear liquid entered in intermediate pool 3, when institute's sulfur compound meets discharge in clear liquid
It is discharged after it is required that, when institute's sulfur compound is unsatisfactory for emission request in clear liquid, clear liquid is returned to through return line 51 and adjusted
In pond 8.
In the present embodiment, sulfide control vulcanizes in 1.0~3.0mg/L when in discharge bay 5 in discharge bay 5 in step 4)
When object < 1.0mg/l, the flowing water Valve of discharge bay 5 is opened, into subsequent processing units；As sulfide > in discharge bay 1
When 3.0mg/l, the flowing water Valve of discharge bay 5 is closed, and return line 51 is opened, and sewage is again introduced into conditioning tank 8 and re-starts
Processing, until water outlet sulfide index reaches requirement.
In the present embodiment, sludge treatment equipment 7, the mud in sludge concentration tank 7 are contained in the sludge concentration tank 6 in step 2)
Treated that sewage enters in conditioning tank 8 through sludge treatment equipment 7 for water.
In the present embodiment, the PH in the second reaction tank 2 in step 1) is 7.5.
Claims (6)
1. a kind of sulfur-containing waste water processing system, which is characterized in that including sequentially connected conditioning tank (8), the first reaction tank (1),
Second reaction tank (2), intermediate pool (3), pipe type ultrafiltration device (4) and discharge bay (5), first reaction tank (1) is interior to be equipped with
Ferrous sulfate dosing (11), second reaction tank (2) is interior to be equipped with calcium hydroxide dosing (21), and the intermediate pool (3) also connects
It is connected to sludge concentration tank (6), the liquid that the sludge concentration tank (6) generates enters conditioning tank (8), and the precipitating of generation enters sludge
Processing unit (7), the pipe type ultrafiltration device (4) are also connected to by bypass line (41) with intermediate pool (3), the discharge bay
(5) it is also connected to by return line (51) with conditioning tank (8).
2. sulfur-containing waste water processing system according to claim 1, which is characterized in that second reaction tank (2) is equipped with
Online PH sensor (22), the PH in second reaction tank (2) is 7.0~8.0.
3. sulfur-containing waste water processing system according to claim 1, which is characterized in that be equipped with vulcanization in the discharge bay (5)
Object in-line analyzer (52), the interior sulfide control of discharge bay (5) is in 1.0~3.0mg/L.
4. sulfur-containing waste water processing system according to any one of claim 1-3, which is characterized in that when the discharge bay
(5) when interior sulfide < 1.0mg/l, the flowing water Valve of discharge bay (5) is opened, into subsequent processing units；When the discharge bay
(5) when interior sulfide > 3.0mg/l, the flowing water Valve of discharge bay (5) is closed, and is opened return line (51), sewage is again introduced into
Processing is re-started in conditioning tank (8), until water outlet sulfide index reaches requirement.
5. sulfur-containing waste water processing system according to any one of claim 1-3, which is characterized in that the bypass line
(41) and on return line (51) it is mounted on electrically operated valve.
6. sulfur-containing waste water processing system according to any one of claim 1-3, which is characterized in that the sludge concentration tank
It (6) is integral type sludge concentration tank, the sludge treatment equipment (7) is automatic plate frame type mud press-filter machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115287.0U CN209619062U (en) | 2019-01-23 | 2019-01-23 | A kind of sulfur-containing waste water processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920115287.0U CN209619062U (en) | 2019-01-23 | 2019-01-23 | A kind of sulfur-containing waste water processing system |
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| Publication Number | Publication Date |
|---|---|
| CN209619062U true CN209619062U (en) | 2019-11-12 |
Family
ID=68451286
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920115287.0U Expired - Fee Related CN209619062U (en) | 2019-01-23 | 2019-01-23 | A kind of sulfur-containing waste water processing system |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617199A (en) * | 2021-09-03 | 2021-11-09 | 山西化美环保科技有限公司 | Process method for treating tail gas containing hydrogen sulfide by using double-alkali method |
-
2019
- 2019-01-23 CN CN201920115287.0U patent/CN209619062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617199A (en) * | 2021-09-03 | 2021-11-09 | 山西化美环保科技有限公司 | Process method for treating tail gas containing hydrogen sulfide by using double-alkali method |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 |