CN101654296B - Coagulant for treating waste slurry in concrete stirring station sedimentation basin - Google Patents
Coagulant for treating waste slurry in concrete stirring station sedimentation basin Download PDFInfo
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- CN101654296B CN101654296B CN2009102721460A CN200910272146A CN101654296B CN 101654296 B CN101654296 B CN 101654296B CN 2009102721460 A CN2009102721460 A CN 2009102721460A CN 200910272146 A CN200910272146 A CN 200910272146A CN 101654296 B CN101654296 B CN 101654296B
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- coagulant
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Abstract
The present invention relates to a coagulant, especially to a coagulant for treating waste slurry in a concrete stirring station sedimentation basin. The coagulant for treating waste slurry in a concrete stirring station sedimentation basin is characterized in that it consists of a coagulant aid and polyacrylamide. The mass ratio of the coagulant aid and the polyacrylamide is (0.05-2.0) : (0.005-1.0), wherein the coagulant aid is a mixture including more than optional two components from quicklime, calcium chloride and sodium alginate; when more than optional two components are mixed, the mass ratio of the calcium chloride : quicklime : sodium alginate is (0.1-100) : (5-200) : (0.1-10). The invention can purify the waste slurry in the concrete stirring station sedimentation basin and is environment-friendly. The invention solves the problem of reuse and environment protection for waste slurry.
Description
Technical field
The present invention relates to a kind of coagulating agent, relate in particular to a kind of coagulating agent that the useless pulp-water of concrete stirring station sedimentation basin is handled that is used for.
Background technology
At present, the commerical ready-mixed concrete stirring station is produced concrete need consume a large amount of water, and water is taken from underground water more, and the growing tension along with the urban groundwater resource supply need utilize other water resources to take the underground water of instead of part.And at concrete mixing plant, also consumed great amount of water resources owing to scrub the concrete car, wash away ground, handle aspect such as depleted concrete, these useless pulp-waters often just directly are discharged into water drain through simple post precipitation, not only wasted water resources, also may cause the obstruction of pipeline, and also cause the pollution of other water quality to a certain extent.Owing to also having a kind of effective means, the reason on technical and the cost do not handle useless pulp-water and cyclic utilization method at present.
Summary of the invention
Technical problem to be solved by this invention has been to provide a kind of coagulating agent that the useless pulp-water of concrete stirring station sedimentation basin is handled that is used for, and can clarify useless pulp-water in the concrete stirring station sedimentation basin.
Technical scheme of the present invention is: a kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is characterized in that it is made up of coagulant aids (A component) and polyacrylamide (B component), the mass ratio of coagulant aids and polyacrylamide is (0.05～2.0): (0.005～1.0);
Wherein, coagulant aids is any mixing that (contains any two kinds) more than two kinds in unslaked lime, calcium chloride, the sodium alginate, any when mixing more than two kinds, calcium chloride: unslaked lime: the mass ratio of sodium alginate is (0.1～100): (5～200): (0.1～10).
The molecular weight of described polyacrylamide is 300～8,000,000.
During use, in 100 mass parts concrete stirring station sedimentation basins, add the coagulating agent of the present invention of 0.06～3.0 mass parts in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir leaves standstill after about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
The invention has the beneficial effects as follows: when coagulating agent of the present invention is applied to give up in the concrete stirring station sedimentation basin pulp-water processing; can clarify useless pulp-water in the concrete stirring station sedimentation basin; environmental sound; environmental protection, the recycling and the environmental protection problem of the useless pulp-water of the solution of success of the present invention.
Embodiment
The present invention to further describe the present invention in order illustrating better, but to the present invention includes and the non-following examples that only limit to below by specific examples.
Embodiment 1:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component); Choose 0.057 mass parts coagulant aids { coagulant aids is made up of unslaked lime and sodium alginate, and wherein unslaked lime accounts for coagulant aids 96.2% (quality), sodium alginate accounts for coagulant aids 4.8% (quality) }; Choose 0.005 mass parts polyacrylamide (molecular weight is 300～8,000,000);
Use: in 100 mass parts concrete stirring station sedimentation basins, add 0.062 part of coagulating agent (coagulant aids 0.057 mass parts, polyacrylamide 0.005 mass parts) in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir is the back standing demix about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
The coagulating agent of preparation is used for the useless pulp-water processing of concrete stirring station sedimentation basin, observes useless pulp-water settling time and see Table 1.
Embodiment 2:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component); Choose 0.102 mass parts coagulant aids { coagulant aids is made up of unslaked lime and sodium alginate, and wherein unslaked lime accounts for coagulant aids 98.0% (quality), sodium alginate accounts for coagulant aids 2.0% (quality) }; Choose 0.01 mass parts polyacrylamide (molecular weight is 300～8,000,000);
Use: in 100 mass parts concrete stirring station sedimentation basins, add 0.112 part of coagulating agent (coagulant aids 0.102 mass parts, polyacrylamide 0.01 mass parts) in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir is the back standing demix about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
The coagulating agent of preparation is used for the useless pulp-water processing of concrete stirring station sedimentation basin, observes useless pulp-water settling time and see Table 1.
Embodiment 3:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component); Choose 0.175 mass parts coagulant aids { coagulant aids is made up of unslaked lime, calcium chloride and sodium alginate, and wherein unslaked lime accounts for that coagulant aids 85.5% (quality), calcium chloride account for coagulant aids 11.5% (quality), sodium alginate accounts for coagulant aids 3.0% (quality) }; Choose 0.025 mass parts polyacrylamide (molecular weight is 300～8,000,000);
Use: in 100 mass parts concrete stirring station sedimentation basins, add 0.2 part of coagulating agent (coagulant aids 0.175 mass parts, polyacrylamide 0.025 mass parts) in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir is the back standing demix about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
The coagulating agent of preparation is used for the useless pulp-water processing of concrete stirring station sedimentation basin, observes useless pulp-water settling time and see Table 1.
Embodiment 4:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component); Choose 0.23 mass parts coagulant aids { coagulant aids is made up of unslaked lime, calcium chloride and sodium alginate, and wherein unslaked lime accounts for that coagulant aids 90.0% (quality), calcium chloride account for coagulant aids 6.0% (quality), sodium alginate accounts for coagulant aids 4.0% (quality) }; Choose 0.01 mass parts polyacrylamide (molecular weight is 300～8,000,000);
Use: in 100 mass parts concrete stirring station sedimentation basins, add 0.24 part of coagulating agent (coagulant aids 0.23 mass parts, polyacrylamide 0.01 mass parts) in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir is the back standing demix about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
The coagulating agent of preparation is used for the useless pulp-water processing of concrete stirring station sedimentation basin, observes useless pulp-water settling time and see Table 1.
Table 1
| Coagulating agent | Volume/% (quality) | Settling time |
| Benchmark | ?0 | Be always muddy |
| Embodiment 1 | ?0.057 | Clarification about 40 minutes |
| Embodiment 2 | ?0.112 | Clarification about 25 minutes |
| Embodiment 3 | ?0.19 | Clarification about 10 minutes |
| Embodiment 4 | ?0.24 | Clarification about 5 minutes |
Embodiment 5:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component), and the mass ratio of coagulant aids and polyacrylamide is 0.05: 0.005;
Wherein, coagulant aids is the mixing of three kinds of unslaked limes, calcium chloride, sodium alginate, and calcium chloride: unslaked lime: the mass ratio of sodium alginate is 0.1: 5: 0.1.
The molecular weight of described polyacrylamide is 3,000,000.
During use, in 100 mass parts concrete stirring station sedimentation basins, add the coagulating agent of the present invention of 0.06 mass parts in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir leaves standstill after about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
Embodiment 6:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component), and the mass ratio of coagulant aids and polyacrylamide is 2.0: 1.0;
Wherein, coagulant aids is the mixing of three kinds of unslaked limes, calcium chloride, sodium alginate, and calcium chloride: unslaked lime: the mass ratio of sodium alginate is 100: 200: 10.
The molecular weight of described polyacrylamide is 8,000,000.
During use, in 100 mass parts concrete stirring station sedimentation basins, add the coagulating agent of the present invention of 3.0 mass parts in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir leaves standstill after about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
Embodiment 7:
A kind of coagulating agent that is used for the useless pulp-water processing of concrete stirring station sedimentation basin, it is made up of coagulant aids (A component) and polyacrylamide (B component), and the mass ratio of coagulant aids and polyacrylamide is 1.0: 1.0;
Wherein, coagulant aids is unslaked lime and sodium alginate, unslaked lime: the mass ratio of sodium alginate is 5: 0.1.
The molecular weight of described polyacrylamide is 5,000,000.
During use, in 100 mass parts concrete stirring station sedimentation basins, add the coagulating agent of the present invention of 1.0 mass parts in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir leaves standstill after about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
Embodiment 8:
A kind ofly be used for the coagulating agent that the useless pulp-water of concrete stirring station sedimentation basin is handled, it is characterized in that it is made up of coagulant aids (A component) and polyacrylamide (B component), the mass ratio of coagulant aids and polyacrylamide is 2.0: 1.0;
Wherein, coagulant aids is unslaked lime and sodium alginate, unslaked lime: the mass ratio of sodium alginate is 200: 10.
The molecular weight of described polyacrylamide is 300～8,000,000.
During use, in 100 mass parts concrete stirring station sedimentation basins, add the coagulating agent of the present invention of 0.9 mass parts in the useless pulp-water.Be after A component coagulant aids is dissolved in water in the use, be sprinkled into uniformly in the useless pulp-water of settling tank, start stirrer simultaneously and carry out brute force stirring about three minutes, add B component polyacrylamide again, restir leaves standstill after about two minutes, and treating behind the precipitated and separated can be with the primary water recycle on upper strata in concrete production.
Each raw material of the present invention can both be realized the present invention, does not just enumerate embodiment one by one at this; And the bound value of each raw material and interval value can both realize the present invention, just do not enumerate embodiment one by one at this.
Claims (1)
1. one kind is used for the coagulating agent that the useless pulp-water of concrete stirring station sedimentation basin is handled, and it is characterized in that it is made up of coagulant aids and polyacrylamide, and the mass ratio of coagulant aids and polyacrylamide is (0.05～2.0): (0.005～1.0);
Wherein, coagulant aids is unslaked lime, calcium chloride and sodium alginate, calcium chloride: unslaked lime: the mass ratio of sodium alginate is (0.1～100): (5～200): (0.1～10);
The molecular weight of described polyacrylamide is 300～8,000,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102721460A CN101654296B (en) | 2009-09-21 | 2009-09-21 | Coagulant for treating waste slurry in concrete stirring station sedimentation basin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102721460A CN101654296B (en) | 2009-09-21 | 2009-09-21 | Coagulant for treating waste slurry in concrete stirring station sedimentation basin |
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| CN101654296A CN101654296A (en) | 2010-02-24 |
| CN101654296B true CN101654296B (en) | 2011-11-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113735239B (en) * | 2021-09-22 | 2022-11-01 | 中建西部建设建材科学研究院有限公司 | Waste slurry settling agent for concrete mixing plant and preparation method and use method thereof |
| CN114315243B (en) * | 2021-11-30 | 2023-03-21 | 浙江大经住工科技有限公司 | Environment-friendly self-compacting premixed concrete and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931190A (en) * | 1988-12-27 | 1990-06-05 | Envirotech Corporation | Flocculating agent combinations for mineral slime filtration systems |
| CN1262234A (en) * | 1999-02-05 | 2000-08-09 | 陈扬 | Recovery and discharge process of black paper-making liquor |
| CN1344688A (en) * | 2001-10-31 | 2002-04-17 | 沈阳中绿水务有限公司 | Sewage treating agent |
| CN1796298A (en) * | 2004-12-28 | 2006-07-05 | 潘泽生 | Auxiliary agent for water treatment and application |
| CN101045571A (en) * | 2007-04-28 | 2007-10-03 | 柴方战 | Finishing agent for coal washing water |
-
2009
- 2009-09-21 CN CN2009102721460A patent/CN101654296B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4931190A (en) * | 1988-12-27 | 1990-06-05 | Envirotech Corporation | Flocculating agent combinations for mineral slime filtration systems |
| CN1262234A (en) * | 1999-02-05 | 2000-08-09 | 陈扬 | Recovery and discharge process of black paper-making liquor |
| CN1344688A (en) * | 2001-10-31 | 2002-04-17 | 沈阳中绿水务有限公司 | Sewage treating agent |
| CN1796298A (en) * | 2004-12-28 | 2006-07-05 | 潘泽生 | Auxiliary agent for water treatment and application |
| CN101045571A (en) * | 2007-04-28 | 2007-10-03 | 柴方战 | Finishing agent for coal washing water |
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| CN101654296A (en) | 2010-02-24 |
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Free format text: FORMER OWNER: CHINA CONSTRUCTION THIRD ENGINEERING BUREAU CO., LTD. Effective date: 20120706 |
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Effective date of registration: 20120706 Address after: 430074 Hubei province Wuhan city East Lake high tech Zone Huaguang Road No. 18 hi tech building 13 floor Patentee after: China Construction Commercial Concrete Co., Ltd. Address before: 430074 Hubei province Wuhan city East Lake high tech Zone Huaguang Road No. 18 hi tech building 13 floor Co-patentee before: China Construction Third Engineering Bureau Co., Ltd. Patentee before: China Construction Commercial Concrete Co., Ltd. |