CN107651775A - Slag cooling waste water recovery and processing system - Google Patents
Slag cooling waste water recovery and processing system Download PDFInfo
- Publication number
- CN107651775A CN107651775A CN201710907417.XA CN201710907417A CN107651775A CN 107651775 A CN107651775 A CN 107651775A CN 201710907417 A CN201710907417 A CN 201710907417A CN 107651775 A CN107651775 A CN 107651775A
- Authority
- CN
- China
- Prior art keywords
- waste water
- processing system
- water recovery
- slag cooling
- cooling waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 239000002893 slag Substances 0.000 title claims abstract description 17
- 239000002351 wastewater Substances 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000005189 flocculation Methods 0.000 claims abstract description 17
- 230000016615 flocculation Effects 0.000 claims abstract description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 238000004062 sedimentation Methods 0.000 claims abstract description 5
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 4
- 239000000292 calcium oxide Substances 0.000 claims abstract description 4
- 238000001556 precipitation Methods 0.000 claims abstract description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 206010042602 Supraventricular extrasystoles Diseases 0.000 claims description 7
- 230000001105 regulatory Effects 0.000 claims description 7
- 239000003814 drug Substances 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000015450 Tilia cordata Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000005660 chlorination reaction Methods 0.000 claims description 3
- 230000000249 desinfective Effects 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- 229940079593 drugs Drugs 0.000 claims 1
- 238000000746 purification Methods 0.000 abstract description 2
- VZJVWSHVAAUDKD-UHFFFAOYSA-N Potassium permanganate Chemical class [K+].[O-][Mn](=O)(=O)=O VZJVWSHVAAUDKD-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H Iron(III) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000001112 coagulant Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940032950 ferric sulfate Drugs 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Abstract
The invention discloses a kind of slag cooling waste water recovery and processing system, it is characterised in that：Including the grid channel for being used to filter, the preceding mixing pit for launching quick lime and flocculant, the flocculation basin for flocculation, sedimentation basin, the rear mixing pit for launching sulfuric acid and flocculant, the filter tank for filtering and the reuse pool for water storage for high density precipitation being sequentially connected.Slag cooling waste water recovery and processing system with above-mentioned steps, cooling water is filtered, softened, is flocculated, is precipitated, salvage after realize purification so that it can be reused without outer row, greatly save water source, reduce externally discharge caused by pollution.
Description
Technical field
The present invention relates to the system that slag cooling cooling water is recycled and recycled in a kind of steel mill.
Background technology
Slag needs to be cooled down with water in steel mill, and it can consume hundreds of tons of cooling waters daily.
Existing cooling water is all the new water utilized, and the sewage after cooling is just outer after simple process to be arranged.So
The substantial amounts of new water of consumption is first had to, produces huge waste.And outer water vent can pollute to environment, the ecological balance is destroyed, is increased
Add company's sewage load.
The content of the invention
In view of this, the present invention provides a kind of slag cooling waste water recovery and processing system, and purified treatment is carried out to cooling water
After recycle, greatly save new water consumption, and reduce discharge.
To solve above technical problem, the technical scheme is that：A kind of slag cooling waste water recovery and processing system, bag
Include the grid channel, the preceding mixing pit for launching quick lime and flocculant, the wadding for flocculation that are used to filter being sequentially connected
Solidifying pond, the sedimentation basin for high density precipitation, the rear mixing pit for launching sulfuric acid and flocculant, the filter tank for filtering and
Reuse pool for water storage.
As an improvement the grid channel before preceding mixing pit with being provided with for adjusting cooling water flow and concentration
Regulating reservoir.
As an improvement air mixer and oil slick absorption device are provided with the regulating reservoir.
As a preferred embodiment, the grid channel width is 0.8 meter, thick, each two of fine fack is inside set；Coarse rack grid gap is
20 millimeters, fine fack grid gap is 5 millimeters；Grid established angle is 75 °.
As an improvement being launched in the flocculation basin has PAM flocculation aids.
As an improvement in addition to a medicine system, the medicine system include PAC system, PAM systems, sulfuric acid
System, lime system.
As an improvement in addition to disappear for the chlorination that potassium permanganate composites, front and rear mixing pit, reuse pool carry out disinfection
Malicious system.
The present invention is advantageous in that：Slag cooling waste water recovery and processing system with above-mentioned steps, to cooling water
Filtered, softened, being flocculated, being precipitated, salvage after realize purification so that it can be reused without outer row, greatlyd save
New water, reduce waste water externally pollution caused by row.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
In order that those skilled in the art more fully understands technical scheme, with reference to embodiment
The present invention is described in further detail.
As shown in figure 1, the present invention include be sequentially connected be used for filter grid channel, for adjust cooling water flow and
The regulating reservoir of concentration, the preceding mixing pit for launching quick lime and flocculant, the flocculation basin for flocculation, for high density precipitate
Sedimentation basin, the rear mixing pit for launching sulfuric acid and flocculant, the filter tank for filtering and the reuse pool for water storage.
Grid channel is two, and wall scroll width is 0.8 meter, inside sets thick, each two of fine fack；Coarse rack grid gap is 20 millis
Rice, fine fack grid gap are 5 millimeters；Grid established angle is 75 °.Liquid level difference meter is set before and after grid, scarfing cinder work can be according to liquid level difference
The time of setting is carried out automatically.
Regulating reservoir is two, single 1500 cubic metres of pond dischargeable capacity, air mixer and oil slick is provided with regulating reservoir
Absorption plant.Sludge settling is prevented by compressed air, oil slick absorption device absorbs the oil slick in waste water.
Flocculant is launched in preceding mixing pit and lime, flocculant select PAC.Mixer is provided with preceding mixing pit.
Flocculation basin is two, and is provided with two flocculation stirring machines.Being launched in flocculation basin has PAM flocculation aids.
Hexagon inclined tube is set in potassium permanganate composites, mounted angle is 60 °.Sludge reflux and emptying pump use screw rod
Pump.
Flocculant and sulfuric acid are launched in mixing pit afterwards.The flocculant selects PAC.
V-type filter tank is selected in filter tank, and single 70 square metres of pool area, 4.5 meters of normal rate filtering is per hour-, 6 meters of forcing filter rate is per small
When, thickness of filter bed 1.4m, particle diameter of filter medium 0.9-1.2 millimeters；Cubic metre/square metre of flushing water intensity 15 per hour, gas intensity 55
Cubic metre/square metre is per hour；Water source comes from centrifugal pump, separate unit flow 711m, lift 16m, power 45KW, totally 3, and 2 with 1
It is standby；Source of the gas comes from Roots blower, and the cubic meters per minute of separate unit air quantity 66.17, lift 5m, power 90KW, totally 2,1 is standby with 1.
Also include a medicine system, the medicine system includes PAC system, PAM systems, sulfate system, lime system.
PAC system is that front and rear mixing pit fills coagulant, is filled after being diluted using bodied ferric sulfate with dosing pump.
PAM systems are that flocculation basin fills flocculation aid, are filled after being configured using PAM powder with dosing pump.
Sulfate system is that rear mixing pit fills sulfuric acid.
Lime system uses lime milk solution dosing method.
Also include the chlorination system to be carried out disinfection for potassium permanganate composites, front and rear mixing pit, reuse pool.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (8)
- A kind of 1. slag cooling waste water recovery and processing system, it is characterised in that：Including the grid canal for being used to filter being sequentially connected Road, the preceding mixing pit for launching quick lime and flocculant, the flocculation basin for flocculation, for high density precipitation sedimentation basin, For launching rear mixing pit, the filter tank for filtering and the reuse pool for water storage of sulfuric acid and flocculant.
- A kind of 2. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：The grid channel With being provided with the regulating reservoir for adjusting cooling water flow and concentration before preceding mixing pit.
- A kind of 3. slag cooling waste water recovery and processing system according to claim 2, it is characterised in that：In the regulating reservoir It is provided with air mixer and oil slick absorption device.
- A kind of 4. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：The flocculant is PAC。
- A kind of 5. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：The grid channel Width is 0.8 meter, inside sets thick, each two of fine fack；Coarse rack grid gap is 20 millimeters, and fine fack grid gap is 5 millimeters；Grid is installed Angle is 75 °.
- A kind of 6. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：In the flocculation basin Dispensing has PAM flocculation aids.
- A kind of 7. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：Also include one to add Medicine system, the medicine system include PAC system, PAM systems, sulfate system, lime system.
- A kind of 8. slag cooling waste water recovery and processing system according to claim 1, it is characterised in that：Also include to be highly dense The chlorination system that degree sedimentation basin, front and rear mixing pit, reuse pool carry out disinfection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907417.XA CN107651775A (en) | 2017-09-29 | 2017-09-29 | Slag cooling waste water recovery and processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710907417.XA CN107651775A (en) | 2017-09-29 | 2017-09-29 | Slag cooling waste water recovery and processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107651775A true CN107651775A (en) | 2018-02-02 |
Family
ID=61117028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710907417.XA Pending CN107651775A (en) | 2017-09-29 | 2017-09-29 | Slag cooling waste water recovery and processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107651775A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601706A (en) * | 2017-09-29 | 2018-01-19 | 四川德胜集团钒钛有限公司 | Blower fan overflow water recovery processing method |
| CN108395049A (en) * | 2018-03-19 | 2018-08-14 | 四川德胜集团钒钛有限公司 | Sewage disposal system |
| CN109231548A (en) * | 2018-09-28 | 2019-01-18 | 江苏久华环保科技股份有限公司 | A kind of iron and steel enterprise's industrial water optimization system |
| CN112062329A (en) * | 2020-08-25 | 2020-12-11 | 耒阳金悦科技发展有限公司 | Energy-saving cooling water recovery treatment method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203700070U (en) * | 2013-12-11 | 2014-07-09 | 北京志能祥赢节能环保科技有限公司 | Device for mixing and recycling steel waste water and municipal sewage |
-
2017
- 2017-09-29 CN CN201710907417.XA patent/CN107651775A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203700070U (en) * | 2013-12-11 | 2014-07-09 | 北京志能祥赢节能环保科技有限公司 | Device for mixing and recycling steel waste water and municipal sewage |
Non-Patent Citations (3)
| Title |
|---|
| 孙红晔等: "承钢综合废水处理厂一期工程设计", 《中国给水排水》 * |
| 尹士海等: "新型高密度沉淀池在唐钢的应用", 《河北冶金》 * |
| 李杰: "高密度沉淀池-V型滤池处理钢厂废水并回用", 《中国给水排水》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107601706A (en) * | 2017-09-29 | 2018-01-19 | 四川德胜集团钒钛有限公司 | Blower fan overflow water recovery processing method |
| CN108395049A (en) * | 2018-03-19 | 2018-08-14 | 四川德胜集团钒钛有限公司 | Sewage disposal system |
| CN109231548A (en) * | 2018-09-28 | 2019-01-18 | 江苏久华环保科技股份有限公司 | A kind of iron and steel enterprise's industrial water optimization system |
| CN112062329A (en) * | 2020-08-25 | 2020-12-11 | 耒阳金悦科技发展有限公司 | Energy-saving cooling water recovery treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |
|
| RJ01 | Rejection of invention patent application after publication |