CN105032956A - Laminar flow supplementary water blending method - Google Patents
Laminar flow supplementary water blending method Download PDFInfo
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- CN105032956A CN105032956A CN201510396108.1A CN201510396108A CN105032956A CN 105032956 A CN105032956 A CN 105032956A CN 201510396108 A CN201510396108 A CN 201510396108A CN 105032956 A CN105032956 A CN 105032956A
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Abstract
The invention relates to a laminar flow supplementary water blending method. The laminar flow supplementary water blending method comprises the following sequential steps that firstly, water of a laminar flow iron sheet pit sequentially flows through a laminar flow flat flow pool, a laminar flow primary water suction well, a laminar flow filter and a laminar flow secondary water suction well; secondly, when the water level in the laminar flow secondary water suction well exceeds an overflow opening, overflow water returns to the laminar flow iron sheet pit; thirdly, clean loop water is blended into the laminar flow iron sheet pit, and factory deep well water is blended into the laminar flow secondary suction well, wherein the step is characterized in that when the factory deep well water is blended into the laminar flow secondary water suction well, muddy loop prepared soft water, industrial fresh water and clean loop prepared soft water are also blended into the laminar flow secondary water suction well; fourthly, the blended water is conveyed to a water supply pump through the laminar flow secondary water suction well to be supplied to users; the quality of the water supplied to the users meets the requirement. By means of the laminar flow supplementary water blending method, reduction of the water quality due to evaporation and concentration is avoided, and the water is blended to be qualified at a time.
Description
Technical field
The present invention relates to a kind of hot continuous rolling laminar flow water method for supplementing water, be specifically related to a kind of laminar flow supplementing water blending method.
Background technology
Hot continuous rolling turbid circular layer water system is for hot continuous rolling factory section cooling production technology provides qualified recirculated cooling water, circulating cooling moisture two systems recycle, after laminar flow production draining is precipitated by laminar flow scale pit, directly enter A set filter to filter, secondary laminar flow absorbing well, absorption well is flowed into after cooling tower cooling waterborne after filter, voltage stabilizing pond is forced into, supply user by secondary section cooling feed pump group.Laminar flow water water quality requirement and actual water quality are in table 1.
Table 1
| Project | Index | Actual |
| Total hardness mg/L | ≤200 | 280~300 |
| Cl- mg/L | ≤150 | 450 |
| Electrical conductivity μ s/cm | ≤1500 | 4000 |
| PH | 7--9 | 8.5 |
| Suspension mg/L | ≤30 | 20~30 |
| Temperature DEG C | ≤32 | 28~32 |
As can be seen from the above table, total hardness, Cl-, electrical conductivity exceed standard, main cause is that system layer stream moisturizing only has new water, phreatic water, add to horizontal flow basin to blend, these two kinds of moisturizing total hardnesss, Cl-, electrical conductivity are all higher, and it is undesirable to blend effect, and auxiliary point is at horizontal flow basin, user through hot-tub, cooling tower, water cooling pond, then will be arrived in centre, will evaporate, concentrates in process.So, horizontal flow basin blend qualified after, still to exceed standard to user.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing laminar flow supplementing water blending method, the invention provides a kind of evaporation, concentrated less, avoiding evaporation, concentratedly reduce water quality, once qualified laminar flow supplementing water blending method being blent in feedwater.
This laminar flow supplementing water blending method comprises following step successively;
ithe water of laminar flow scale pit flows through laminar flow horizontal flow basin, laminar flow absorbing well, absorption well, Laminar Flow Filter, laminar flow secondary absorbing well, absorption well successively;
iIoverflow water when laminar flow secondary absorbing well, absorption well middle water level (ordinary water level 4.8m-5.3m) exceedes overfall (general overfall water level 5.4m) turns back to laminar flow scale pit;
iIIclean ring string water is blended into laminar flow scale pit, and plant area's phreatic water is converted into laminar flow secondary absorbing well, absorption well;
It is characterized in that:
When plant area's phreatic water is converted into laminar flow secondary absorbing well, absorption well, also turbid ring prepare soft water, industrial fresh water and only ring prepare soft water and convert into laminar flow secondary absorbing well, absorption well;
iVlaminar flow secondary absorbing well, absorption well send the water after blending and supplies user with feed pump; The total hardness of supply user water quality is 150 ~ 180mg/L, and chlorine root is 130 ~ 140mg/L, and electrical conductivity is 1300 ~ 1450 μ s/cm, PH is 7.5 ~ 8.5, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C.
In above-mentioned laminar flow supplementing water blending method, in step
iwith following flow and water quality better, step
iIIbetter with following flow.
In step
ilaminar flow scale pit is 50 ± 10m to the flow of laminar flow secondary absorbing well, absorption well
3/ h, the total hardness of water quality is 280 ~ 300mg/L, and chlorine root is 450 ± 10mg/L, and electrical conductivity is 4000 ± 15 μ s/cm, PH is 8.5 ± 0.2, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C;
In step
iIIthe flow that clean ring string water is blended into laminar flow scale pit is 30 ± 5m
3/ h, the flow that plant area's phreatic water is converted into laminar flow secondary absorbing well, absorption well is 50 ± 10m
3/ h;
Turbid ring prepare soft water, industrial fresh water and clean ring prepare soft water convert into laminar flow secondary absorbing well, absorption well time, the flow that turbid ring prepares soft water is 50 ± 10m
3/ h, the flow of industrial fresh water is 33.3 ± 5m
3/ h, the flow that clean ring prepares soft water is 20.8 ± 5m
3/ h.
In above-mentioned laminar flow supplementing water blending method, in step
iIIbetter by following water quality.
Wherein the total hardness of clean ring string water is 150 ~ 180mg/L, and chlorine root is 150 ~ 180mg/L, and electrical conductivity is 1000 ~ 1200 μ s/cm, water quality PH is 8.9 ~ 9.1, and temperature is 28 ~ 32 DEG C;
The total hardness of plant area's phreatic water is 350 ~ 380mg/, and chlorine root is 390 ~ 410mg/, and electrical conductivity is 770 ± 15 μ s/cm, water quality PH is 7.6 ± 0.5, and temperature is 15 ~ 20 DEG C;
The total hardness that turbid ring prepares soft water is 2 ± 0.3mg/L, and chlorine root is 60 ± 5mg/L, and electrical conductivity is 800 ± 20 μ s/cm, and suspension is 9 ± 3mg/L, PH is 12 ± 0.5mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness of industrial fresh water water quality is 260 ± 15mg/L, and chlorine root is 60 ± 3mg/L, and electrical conductivity is 800 ± 10 μ s/cm, and suspension is 8 ± 1mg/L, PH is 7.5 ± 0.6mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness that clean ring prepares soft water is 40 ± 5mg/L, and chlorine root is 60 ± 5mg/L, and electrical conductivity is 800 ± 20 μ s/cm, and suspension is 8 ± 2mg/L, PH is 10 ± 1.5mg/L, and temperature is 20 ~ 28 DEG C.
Beneficial effect of the present invention
Make full use of existing water resource, soft water, industrial fresh water and clean ring prepared by turbid ring to prepare soft water and directly enter laminar flow secondary absorbing well, absorption well, user is flowed to by feed pump, both ensure that water supply quality, meet onsite user and use water requirement, decrease the rate of water make-up increase because evaporation, concentrated reason cause, save the water yield, the consumption of medicament equal energy source.
Accompanying drawing explanation
Fig. 1 is this laminar flow supplementing water blending method schematic diagram.
In above-mentioned figure
1. laminar flow scale pit, 2. laminar flow horizontal flow basin, 3. laminar flow absorbing well, absorption well, 4. Laminar Flow Filter,
5. laminar flow secondary absorbing well, absorption well, 6. clean ring string water, 7. feed pump, 8. user, 9. plant area's phreatic water, 10. turbid ring prepares soft water, 11. industrial fresh waters, and 12. clean rings prepare soft water.
Detailed description of the invention
Clearly demonstrate the specific embodiment of the present invention in detail below in conjunction with embodiment and accompanying drawing thereof, but the specific embodiment of the present invention is not limited to following embodiment, following embodiment is not limitation of the present invention.
Embodiment
The schematic diagram of the present embodiment, see Fig. 1, comprises following (process) step successively;
ithe water of laminar flow scale pit (1) flows through laminar flow horizontal flow basin (2), laminar flow absorbing well, absorption well (3), Laminar Flow Filter (4), laminar flow secondary absorbing well, absorption well (5) successively;
iIoverflow water when laminar flow secondary absorbing well, absorption well (5) middle water level (the present embodiment is 5m) exceedes overfall (the overfall water level 5.4m of the present embodiment) turns back to laminar flow scale pit (1);
iIIclean ring string water (6) is blended into laminar flow scale pit (1), and plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5);
It is characterized in that:
When plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5), also turbid ring is prepared soft water (10), industrial fresh water (11) and clean ring and prepare soft water (12) and convert into laminar flow secondary absorbing well, absorption well (5);
iVlaminar flow secondary absorbing well, absorption well (5) send the water after blending and supplies user (8) with feed pump (7); The total hardness of supply user (8) water quality is 150 ~ 180mg/L, and chlorine root is 130 ~ 140mg/L, and electrical conductivity is 1300 ~ 1450 μ s/cm, PH is 7.5 ~ 8.5, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C.
In the present embodiment
In step
ilaminar flow scale pit (1) is 50 ± 10m to the flow of laminar flow secondary absorbing well, absorption well (5)
3/ h, the total hardness of water quality is 280 ~ 300mg/L, and chlorine root is 450mg/L, and electrical conductivity is 4000 μ s/cm, PH is 8.5, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C;
In step
iIIthe flow that clean ring string water (6) is blended into laminar flow scale pit (1) is 30m
3/ h, the flow that plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5) is 50m
3/ h;
Wherein the total hardness of clean ring string water (6) is 150 ~ 180mg/L, and chlorine root is 150 ~ 180mg/L, and electrical conductivity is 1000 ~ 1200 μ s/cm, water quality PH is 8.9 ~ 9.1, and temperature is 28 ~ 32 DEG C;
The total hardness of plant area's phreatic water (9) is 350 ~ 380mg/, and chlorine root is 390 ~ 410mg/, and electrical conductivity is 770 μ s/cm, water quality PH is 7.6, and temperature is 15 ~ 20 DEG C;
Turbid ring prepare soft water (10), industrial fresh water (11) and clean ring prepare soft water (12) convert into laminar flow secondary absorbing well, absorption well (5) time, the flow that turbid ring prepares soft water (10) is 50m
3/ h, the flow of industrial fresh water (11) is 33.3m
3/ h, the flow that clean ring prepares soft water (12) is 20.8m
3/ h;
The total hardness that turbid ring prepares soft water (10) water quality is 2mg/L, and chlorine root is 60mg/L, and electrical conductivity is 800 μ s/cm, and suspension is 9mg/L, PH is 12mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness of industrial fresh water (11) water quality is 260mg/L, and chlorine root is 60mg/L, and electrical conductivity is 800 μ s/cm, and suspension is 8mg/L, PH is 7.5mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness that clean ring prepares soft water (12) water quality is 40mg/L, and chlorine root is 60mg/L, and electrical conductivity is 800 μ s/cm, and suspension is 8mg/L, PH is 10mg/L, and temperature is 20 ~ 28 DEG C.
Claims (3)
1. a laminar flow supplementing water blending method, it comprises following step successively;
ithe water of laminar flow scale pit (1) flows through laminar flow horizontal flow basin (2), laminar flow absorbing well, absorption well (3), Laminar Flow Filter (4), laminar flow secondary absorbing well, absorption well (5) successively;
iIoverflow water when laminar flow secondary absorbing well, absorption well (5) middle water level exceedes overfall turns back to laminar flow scale pit (1);
iIIclean ring string water (6) is blended into laminar flow scale pit (1), and plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5);
It is characterized in that:
When plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5), also turbid ring is prepared soft water (10), industrial fresh water (11) and clean ring and prepare soft water (12) and convert into laminar flow secondary absorbing well, absorption well (5);
iVlaminar flow secondary absorbing well, absorption well (5) send the water after blending and supplies user (8) with feed pump (7); The total hardness of supply user (8) water quality is 150 ~ 180mg/L, and chlorine root is 130 ~ 140mg/L, and electrical conductivity is 1300 ~ 1450 μ s/cm, PH is 7.5 ~ 8.5, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C.
2. laminar flow supplementing water blending method according to claim 1, is characterized in that:
In step
ilaminar flow scale pit (1) is 50 ± 10m to the flow of laminar flow secondary absorbing well, absorption well (5)
3/ h, the total hardness of water quality is 280 ~ 300mg/L, and chlorine root is 450 ± 10mg/L, and electrical conductivity is 4000 ± 15 μ s/cm, PH is 8.5 ± 0.2, and suspension is 20 ~ 30mg/L, and temperature is 28 ~ 32 DEG C;
The flow being blended into laminar flow scale pit (1) in the clean ring string water (6) of step III is 30 ± 5m
3/ h, the flow that plant area's phreatic water (9) is converted into laminar flow secondary absorbing well, absorption well (5) is 50 ± 10m
3/ h;
Turbid ring prepare soft water (10), industrial fresh water (11) and clean ring prepare soft water (12) convert into laminar flow secondary absorbing well, absorption well (5) time, the flow that turbid ring prepares soft water (10) is 50 ± 10m
3/ h, the flow of industrial fresh water (11) is 33.3 ± 5m
3/ h, the flow that clean ring prepares soft water (12) is 20.8 ± 5m
3/ h.
3., according to described laminar flow supplementing water blending method arbitrary in claim 1 or 2, it is characterized in that:
In step
iII
Wherein the total hardness of clean ring string water (6) is 150 ~ 180mg/L, and chlorine root is 150 ~ 180mg/L, and electrical conductivity is 1000 ~ 1200 μ s/cm, water quality PH is 8.9 ~ 9.1, and temperature is 28 ~ 32 DEG C;
The total hardness of plant area's phreatic water (9) is 350 ~ 380mg/, and chlorine root is 390 ~ 410mg/, and electrical conductivity is 770 ± 15 μ s/cm, water quality PH is 7.6 ± 0.5, and temperature is 15 ~ 20 DEG C;
The total hardness that turbid ring prepares soft water (10) water quality is 2 ± 0.3mg/L, and chlorine root is 60 ± 5mg/L, and electrical conductivity is 800 ± 20 μ s/cm, and suspension is 9 ± 3mg/L, PH is 12 ± 0.5mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness of industrial fresh water (11) water quality is 260 ± 15mg/L, and chlorine root is 60 ± 3mg/L, and electrical conductivity is 800 ± 10 μ s/cm, and suspension is 8 ± 1mg/L, PH is 7.5 ± 0.6mg/L, and temperature is 20 ~ 28 DEG C;
The total hardness that clean ring prepares soft water (12) water quality is 40 ± 5mg/L, and chlorine root is 60 ± 5mg/L, and electrical conductivity is 800 ± 20 μ s/cm, and suspension is 8 ± 2mg/L, PH is 10 ± 1.5mg/L, and temperature is 20 ~ 28 DEG C.
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| CN105032956B CN105032956B (en) | 2017-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355502A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | Preparation method of industrial fresh water |
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| JPH05123737A (en) * | 1991-11-05 | 1993-05-21 | Sumitomo Metal Ind Ltd | Method for cooling upper surface of high temperature steel sheet |
| CN101500721A (en) * | 2007-05-11 | 2009-08-05 | 新日本制铁株式会社 | Apparatus, and method, for controlled cooling of steel sheet |
| JP2011206793A (en) * | 2010-03-29 | 2011-10-20 | Jfe Steel Corp | Method for cooling steel sheet, method and equipment for manufacturing steel sheet |
| CN102248011A (en) * | 2011-06-02 | 2011-11-23 | 武汉钢铁(集团)公司 | Soft water seal-based flow-guide and drainage device used in after-rolling cooling process of hot-rolled steel strip |
| CN102921748A (en) * | 2012-11-27 | 2013-02-13 | 张家港浦项不锈钢有限公司 | Water-cooling cooling device and cooling method of stainless steel hot-rolled coil and cooling method |
| CN104588419A (en) * | 2014-12-28 | 2015-05-06 | 鞍钢集团朝阳钢铁有限公司 | Cooling circulation system and method using hot rolling water resources in gradient mode |
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2015
- 2015-07-08 CN CN201510396108.1A patent/CN105032956B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05123737A (en) * | 1991-11-05 | 1993-05-21 | Sumitomo Metal Ind Ltd | Method for cooling upper surface of high temperature steel sheet |
| CN101500721A (en) * | 2007-05-11 | 2009-08-05 | 新日本制铁株式会社 | Apparatus, and method, for controlled cooling of steel sheet |
| JP2011206793A (en) * | 2010-03-29 | 2011-10-20 | Jfe Steel Corp | Method for cooling steel sheet, method and equipment for manufacturing steel sheet |
| CN102248011A (en) * | 2011-06-02 | 2011-11-23 | 武汉钢铁(集团)公司 | Soft water seal-based flow-guide and drainage device used in after-rolling cooling process of hot-rolled steel strip |
| CN102921748A (en) * | 2012-11-27 | 2013-02-13 | 张家港浦项不锈钢有限公司 | Water-cooling cooling device and cooling method of stainless steel hot-rolled coil and cooling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108355502A (en) * | 2018-02-13 | 2018-08-03 | 鞍钢股份有限公司 | Preparation method of industrial fresh water |
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