CN107032545A - Steel waste water treating agent and processing method - Google Patents
Steel waste water treating agent and processing method Download PDFInfo
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- CN107032545A CN107032545A CN201710399311.3A CN201710399311A CN107032545A CN 107032545 A CN107032545 A CN 107032545A CN 201710399311 A CN201710399311 A CN 201710399311A CN 107032545 A CN107032545 A CN 107032545A
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- 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
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- 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
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- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
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- 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
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of steel waste water treating agent, including：Aluminum sulfate, polyacrylamide, potassium feldspar, zeolite, sepiolite and quick lime.The invention discloses a kind of steel wastewater processing method, including：Step 1: being passed through 2~3h of oxygen into steel wastewater first, filter afterwards, the steel wastewater after filtering is mixed with steel waste water treating agent, carry out neutralization reaction 3~5 minutes；Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the mass volume ratio of Sodium Metabisulfite and steel wastewater is 5~10:100；Step 3: adding steel waste water treating agent again, neutralization reaction 10~15 minutes is carried out；Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the mass volume ratio of Sodium Metabisulfite and steel wastewater is 1~3:100；Step 5: at 80~90 DEG C of temperature, heating 30~40min of steel wastewater；12~36h of vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 50~80 DEG C of 3~5kPa of vacuum pressure and temperature.
Description
Technical field
The present invention relates to a kind of steel waste water treating agent and processing method.
Background technology
The production process of modern steel industry includes the production technologies such as material choosing, iron, steel-making (continuous casting), steel rolling.Steel and iron industry
Waste water is mainly derived from production process water, equipment and product cooling water, flue gas washing and place and rinsed etc., but 70%
Waste water is also derived from cooling water.Indirect cooling water, after cooling can reuse in use only by thermal pollution；It is directly cold
But water with product material etc. because directly contacting, containing polluter, need to after processing can reuse or tandem use.How to steel
Waste water in iron smelting process is handled and reclaimed, in order to recycling, and the reduction energy and resource consumption, are permanent
Since the problem studied always.
The content of the invention
It is an object of the invention to solve at least the above and/or defect, and provide at least will be described later excellent
Point.
The present invention separately has a purpose to be to provide a kind of steel waste water treating agent.
It is a still further object of the present invention to provide a kind of steel wastewater processing method.
Therefore, the technical scheme that the present invention is provided is：
A kind of steel waste water treating agent, includes the component of following parts by weight：10-20 parts of aluminum sulfate, 10-20 polyacrylamides
Amine, 10-20 part potassium feldspar, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
Preferably, in described steel waste water treating agent, the preparation method of the steel waste water treating agent is including as follows
Step：By potassium feldspar, zeolite, sepiolite and quick lime first in 250-350 DEG C of activation process 20-40min, afterwards and aluminum sulfate
After polyacrylamide mixing, nano-scale particle is crushed to, the steel waste water treating agent is obtained.
A kind of steel wastewater processing method, including：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10,
Filter afterwards, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, carry out neutralization reaction 3~5
Minute；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 5~10:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite gives up with the steel
The mass volume ratio of water is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Carried out Step 6: being carried out to the steel wastewater in step 5 at 50~80 DEG C of 3~5kPa of vacuum pressure and temperature
12~36h of vacuum distillation.
Preferably, in described method, in the step one, the volume ratio of oxygen and steel wastewater is 1.5:10.
Preferably, in described method, in the step 2, the matter of the Sodium Metabisulfite and the steel wastewater
It is 7.5 to measure volume ratio:100.
Preferably, in described method, in the step one, the steel waste water treating agent and the steel wastewater
Mass volume ratio is 3~5:20.
Preferably, in described method, in the step 3, the steel waste water treating agent and the steel wastewater
Mass volume ratio is 3~5:30.
Preferably, in described method, in the step 6, the vacuum distillation is in vacuum pressure 4kPa and temperature 65
Vacuum distillation 24h is carried out at DEG C.
The present invention at least includes following beneficial effect：
The steel waste water treating agent of the present invention is good to the impurity treatment effect in steel wastewater.The present invention passes through co-oxidation
Reduction reaction, steel waste water treating agent and vacuum distillation processing method, can complete the processing of steel wastewater, make in a short time
It can be recycled again, and a kind of new approach is provided for the processing of steel wastewater, while also saving the energy, improving steel
Efficiency of energy utilization in smelting process.The treatment effeciency of the present invention improves 5~15%, and efficiency of energy utilization improves 10~
20%.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
The present invention provides a kind of steel waste water treating agent, includes the component of following parts by weight：10-20 parts of aluminum sulfate, 10-
20 polyacrylamides, 10-20 part potassium feldspar, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
In such scheme, preferably, the preparation method of the steel waste water treating agent comprises the following steps：Potassium is long
Stone, zeolite, sepiolite and quick lime are first in 250-350 DEG C of activation process 20-40min, afterwards with aluminum sulfate and polyacrylamide
After amine mixing, nano-scale particle is crushed to, the steel waste water treating agent is obtained.
The present invention provides a kind of steel wastewater processing method, comprises the following steps：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10,
Filter afterwards, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, carry out neutralization reaction 3~5
Minute；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 5~10:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite gives up with the steel
The mass volume ratio of water is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Carried out Step 6: being carried out to the steel wastewater in step 5 at 50~80 DEG C of 3~5kPa of vacuum pressure and temperature
12~36h of vacuum distillation.
In one of embodiment of the present invention, preferably, in the step one, the volume of oxygen and steel wastewater
Than for 1.5:10.
In one of embodiment of the present invention, preferably, in the step 2, the Sodium Metabisulfite and institute
The mass volume ratio for stating steel wastewater is 7.5:100.
In one of embodiment of the present invention, preferably, in the step one, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 3~5:20.
In one of embodiment of the present invention, preferably, in the step 3, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 3~5:30.
In one of embodiment of the present invention, preferably, in the step 6, the vacuum distillation is in vacuum pressure
Vacuum distillation 24h is carried out at 65 DEG C of power 4kPa and temperature.
Embodiment 1
A kind of steel waste water treating agent, includes the component of following parts by weight：10 parts of aluminum sulfate, 10 polyacrylamides, 10
Part potassium feldspar, 35 parts of zeolites, 10 parts of sepiolites and 30 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 250 DEG C of activation process 20min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with steel waste water treating agent, carries out neutralization reaction 3 minutes；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5 to measure volume ratio:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 10 minutes is carried out；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 under vacuum pressure 3kPa and temperature 50 C
12h。
The treatment effeciency of the present invention improves 5%, and efficiency of energy utilization improves 10%.
Embodiment 2
A kind of steel waste water treating agent, includes the component of following parts by weight：20 parts of aluminum sulfate, 20 polyacrylamides, 20
Part potassium feldspar, 45 parts of zeolites, 20 parts of sepiolites and 40 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 350 DEG C of activation process 40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with steel waste water treating agent, carries out neutralization reaction 5 minutes；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 15 minutes is carried out；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 1~3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 80 DEG C of vacuum pressure 5kPa and temperature
36h。
The treatment effeciency of the present invention improves 15%, and efficiency of energy utilization improves 20%.
Embodiment 3
A kind of steel waste water treating agent, includes the component of following parts by weight：15 parts of aluminum sulfate, 15 polyacrylamides, 10-
20 parts of potassium feldspars, 40 parts of zeolites, 15 parts of sepiolites and 35 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 300 DEG C of activation process 30min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2.5h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.5:10, it
After filter, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, the steel wastewater is handled
The mass volume ratio of agent and the steel wastewater is 4:20, carry out neutralization reaction 4 minutes；
Reacted 18 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 8 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 12 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 4:30；
Reacted 10 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 85 DEG C of temperature, the steel wastewater 35min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 65 DEG C of vacuum pressure 4kPa and temperature
24h。
The treatment effeciency of the present invention improves 6%, and efficiency of energy utilization improves 11%.
Embodiment 4
A kind of steel waste water treating agent, includes the component of following parts by weight：10 parts of aluminum sulfate, 10 polyacrylamides, 10
Part potassium feldspar, 35 parts of zeolites, 10 parts of sepiolites and 30 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 250 DEG C of activation process 20min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.5:10, afterwards
Filtering, removes precipitation, afterwards mixes the steel wastewater after filtering with steel waste water treating agent, carries out neutralization reaction 3 minutes；
Reacted 10 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 7.5 to measure volume ratio:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 10 minutes is carried out；
Reacted 5 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1:100；
Step 5: at 80 DEG C of temperature, the steel wastewater 30min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 65 DEG C of vacuum pressure 4kPa and temperature
24h。
The treatment effeciency of the present invention improves 7%, and efficiency of energy utilization improves 12%.
Embodiment 5
A kind of steel waste water treating agent, includes the component of following parts by weight：11 parts of aluminum sulfate, 11 polyacrylamides, 10-
20 parts of potassium feldspars, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 250-350 DEG C of activation process 20-40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nanoscale is crushed to
Grain, obtains the steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2.7h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.8:10, it
After filter, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, the steel wastewater is handled
The mass volume ratio of agent and the steel wastewater is 4.5:20, carry out neutralization reaction 3.6 minutes；
Reacted 12 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 7 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 11 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 3.5:30；
Reacted 6 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1.3:100；
Step 5: at 81 DEG C of temperature, the steel wastewater 31min in heating stepses four；
Step 6: being carried out at progress decompression steaming at 55 DEG C of vacuum pressure 3.5kPa and temperature to the steel wastewater in step 5
Evaporate 15h.
The treatment effeciency of the present invention improves 8%, and efficiency of energy utilization improves 12%.
Embodiment 6
A kind of steel waste water treating agent, includes the component of following parts by weight：12 parts of aluminum sulfate, 12 polyacrylamides, 12
Part potassium feldspar, 36 parts of zeolites, 12 parts of sepiolites and 32 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 260 DEG C of activation process 22min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2.7h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.8:10, it
After filter, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, the steel wastewater is handled
The mass volume ratio of agent and the steel wastewater is 3.9:20, carry out neutralization reaction 3.9 minutes；
Reacted 16 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 8 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 13 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 3.9:30；
Reacted 14 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 85 DEG C of temperature, the steel wastewater 36min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 under vacuum pressure 4kPa and temperature 60 C
12~36h.
The treatment effeciency of the present invention improves 9%, and efficiency of energy utilization improves 13%.
Embodiment 7
A kind of steel waste water treating agent, includes the component of following parts by weight：18 parts of aluminum sulfate, 18 polyacrylamides, 18
Part potassium feldspar, 40 parts of zeolites, 18 parts of sepiolites and 38 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 290 DEG C of activation process 30min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, remove precipitation, the steel wastewater after filtering is mixed with steel waste water treating agent afterwards, the steel waste water treating agent and
The mass volume ratio of the steel wastewater is 5:20, carry out neutralization reaction 5 minutes；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 8 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 13 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 4:30；
Reacted 12 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 86 DEG C of temperature, the steel wastewater 36min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 65 DEG C of vacuum pressure 4kPa and temperature
30h。
The treatment effeciency of the present invention improves 9%, and efficiency of energy utilization improves 19%.
Embodiment 8
A kind of steel waste water treating agent, includes the component of following parts by weight：16 parts of aluminum sulfate, 16 polyacrylamides, 16
Part potassium feldspar, 41 parts of zeolites, 17 parts of sepiolites and 35 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 300 DEG C of activation process 30min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 3h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 2:10, mistake afterwards
Filter, remove precipitation, the steel wastewater after filtering is mixed with steel waste water treating agent afterwards, the steel waste water treating agent and
The mass volume ratio of the steel wastewater is 5:20, carry out neutralization reaction 5 minutes；
Reacted 25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 10 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 15 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 5:30；
Reacted 15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 3:100；
Step 5: at 90 DEG C of temperature, the steel wastewater 40min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 80 DEG C of vacuum pressure 5kPa and temperature
12~36h.
The treatment effeciency of the present invention improves 14%, and efficiency of energy utilization improves 18%.
Embodiment 9
A kind of steel waste water treating agent, includes the component of following parts by weight：10-20 parts of aluminum sulfate, 10-20 polyacrylamides
Amine, 10-20 part potassium feldspar, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 250-350 DEG C of activation process 20-40min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nanoscale is crushed to
Grain, obtains the steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2.5h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1.5:10, it
After filter, remove precipitation, afterwards mix the steel wastewater after filtering with steel waste water treating agent, the steel wastewater is handled
The mass volume ratio of agent and the steel wastewater is 4:20, carry out neutralization reaction 4 minutes；
Reacted 19 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 7 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 12 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 4:30；
Reacted 12 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio be 2:100；
Step 5: at 85 DEG C of temperature, the steel wastewater 35min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 under vacuum pressure 4kPa and temperature 70 C
20h。
The treatment effeciency of the present invention improves 13%, and efficiency of energy utilization improves 17%.
Embodiment 10
A kind of steel waste water treating agent, includes the component of following parts by weight：16 parts of aluminum sulfate, 16 polyacrylamides, 10-
20 parts of potassium feldspars, 39 parts of zeolites, 16 parts of sepiolites and 36 parts of quick limes.
The preparation method of the steel waste water treating agent comprises the following steps：By potassium feldspar, zeolite, sepiolite and quick lime
First in 310 DEG C of activation process 35min, after being mixed afterwards with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, is obtained
The steel waste water treating agent.
A kind of method that steel wastewater processing is carried out using described steel waste water treating agent, is comprised the following steps：
Step 1: being passed through oxygen 2h into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1:10, mistake afterwards
Filter, removes precipitation, afterwards mixes the steel wastewater after filtering with steel waste water treating agent, the steel waste water treating agent and institute
The mass volume ratio for stating steel wastewater is 4:20, carry out neutralization reaction 4 minutes；
Reacted 21 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 8 to measure volume ratio:100；
Step 3: add steel waste water treating agent again, carry out neutralization reaction 13 minutes, the steel waste water treating agent with
The mass volume ratio of the steel wastewater is 4:30；
Reacted 8 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 2:100；
Step 5: at 84 DEG C of temperature, the steel wastewater 35min in heating stepses four；
Vacuum distillation is carried out Step 6: being carried out to the steel wastewater in step 5 at 75 DEG C of vacuum pressure 3kPa and temperature
12~36h.
The treatment effeciency of the present invention improves 12%, and efficiency of energy utilization improves 18%.
Comparative example
Steel wastewater processing is completed according to prior art.
Module number and treatment scale described herein are the explanations for simplifying the present invention.The steel of the present invention is given up
The application of method for treating water, modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (8)
1. a kind of steel waste water treating agent, it is characterised in that include the component of following parts by weight：10-20 parts of aluminum sulfate, 10-
20 polyacrylamides, 10-20 part potassium feldspar, 35-45 parts of zeolites, 10-20 parts of sepiolites and 30-40 parts of quick limes.
2. steel waste water treating agent as claimed in claim 1, it is characterised in that the preparation method of the steel waste water treating agent
Comprise the following steps：By potassium feldspar, zeolite, sepiolite and quick lime first in 250-350 DEG C of activation process 20-40min, afterwards
After being mixed with aluminum sulfate and polyacrylamide, nano-scale particle is crushed to, the steel waste water treating agent is obtained.
3. a kind of method that steel waste water treating agent using described in claim 1 carries out steel wastewater processing, it is characterised in that
Comprise the following steps：
Step 1: being passed through 2~3h of oxygen into steel wastewater first, the volume ratio of oxygen and steel wastewater is 1~2:10, afterwards
Filtering, removes precipitation, afterwards mixes the steel wastewater after filtering with steel waste water treating agent, carries out 3~5 points of neutralization reaction
Clock；
Reacted 10~25 minutes Step 2: adding Sodium Metabisulfite, the matter of the Sodium Metabisulfite and the steel wastewater
It is 5~10 to measure volume ratio:100；
Step 3: adding steel waste water treating agent again, neutralization reaction 10~15 minutes is carried out；
Reacted 5~15 minutes Step 4: adding Sodium Metabisulfite again, the Sodium Metabisulfite and the steel wastewater
Mass volume ratio is 1~3:100；
Step 5: at 80~90 DEG C of temperature, 30~40min of steel wastewater in heating stepses four；
Depressurized Step 6: being carried out to the steel wastewater in step 5 at 50~80 DEG C of 3~5kPa of vacuum pressure and temperature
Distill 12~36h.
4. method as claimed in claim 3, it is characterised in that in the step one, the volume ratio of oxygen and steel wastewater is
1.5:10。
5. method as claimed in claim 3, it is characterised in that in the step 2, the Sodium Metabisulfite and the steel
The mass volume ratio of iron waste water is 7.5:100.
6. method as claimed in claim 3, it is characterised in that in the step one, the steel waste water treating agent with it is described
The mass volume ratio of steel wastewater is 3~5:20.
7. method as claimed in claim 3, it is characterised in that in the step 3, the steel waste water treating agent with it is described
The mass volume ratio of steel wastewater is 3~5:30.
8. method as claimed in claim 3, it is characterised in that in the step 6, the vacuum distillation is in vacuum pressure
Vacuum distillation 24h is carried out at 65 DEG C of 4kPa and temperature.
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| CN102398970A (en) * | 2010-09-13 | 2012-04-04 | 陈亚芬 | Steel waste water treating agent |
| CN102583860A (en) * | 2012-02-17 | 2012-07-18 | 江苏加德绿色能源有限公司 | Novel steel quality inspection wastewater treatment method |
| CN105084493A (en) * | 2015-09-28 | 2015-11-25 | 宁波高新区巴艺新材料科技有限公司 | Steel wastewater treatment method |
| CN106277168A (en) * | 2016-09-20 | 2017-01-04 | 孙冠州 | A kind of water quality cleansing agent and manufacture method thereof |
| CN107151077A (en) * | 2017-05-31 | 2017-09-12 | 覃祖勇 | Composition and method for steel wastewater processing |
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2017
- 2017-05-31 CN CN201710399311.3A patent/CN107032545A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398970A (en) * | 2010-09-13 | 2012-04-04 | 陈亚芬 | Steel waste water treating agent |
| CN102583860A (en) * | 2012-02-17 | 2012-07-18 | 江苏加德绿色能源有限公司 | Novel steel quality inspection wastewater treatment method |
| CN105084493A (en) * | 2015-09-28 | 2015-11-25 | 宁波高新区巴艺新材料科技有限公司 | Steel wastewater treatment method |
| CN106277168A (en) * | 2016-09-20 | 2017-01-04 | 孙冠州 | A kind of water quality cleansing agent and manufacture method thereof |
| CN107151077A (en) * | 2017-05-31 | 2017-09-12 | 覃祖勇 | Composition and method for steel wastewater processing |
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