CN104310814A - Method for producing cement by using pickled sludge and cement produced by using pickled sludge - Google Patents
Method for producing cement by using pickled sludge and cement produced by using pickled sludge Download PDFInfo
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- CN104310814A CN104310814A CN201410523633.0A CN201410523633A CN104310814A CN 104310814 A CN104310814 A CN 104310814A CN 201410523633 A CN201410523633 A CN 201410523633A CN 104310814 A CN104310814 A CN 104310814A
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- cement
- pickling mud
- fluorgypsum
- flyash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Abstract
The invention provides a method for producing cement by using pickled sludge and cement produced by using pickled sludge. The cement produced by using pickled sludge is prepared from the following components in parts by weight: 35-45 parts of kaolin, 2-8 parts of pickled sludge, 8-15 parts of anhydrite, 10-20 parts of fluorgypsum, 10-30 parts of coal ash and 15-20 parts of coal gangues. The method provided by the invention provides a novel path for resource utilization of pickled sludge, has a remarkable energy-saving and emission-reducing effect, meets the demands on circular economy and low-carbon economy and has remarkable environment-friendly and social benefits.
Description
technical field:
The present invention relates to a kind of method utilizing pickling mud production cement and the cement utilizing pickling mud to produce, belong to acid-washing stainless steel technical field of sludge treatment.
background technology:
Stainless steel in the cold rolling course of processing, because pickling, grinding etc. can produce a certain amount of solid waste.The mainly mud, grinding mud etc. of pickling waste waters process generation.Containing chromium cpd in mud, especially there is the hexavalent chromium of severe toxicity, be therefore subject to showing great attention to of the departments such as environmental protection, have strict requirement to its process, some enterprises are by this kind of hazard waste landfill or store up for a long time, cause serious pollution to soil and groundwater.
summary of the invention:
The object of the invention is to provide a kind of for above-mentioned Problems existing and utilize the method that pickling mud produces cement and the cement utilizing pickling mud to produce, new approach is provided to the recycling of pickling mud, and there is the energy-saving and emission-reduction effect shown, agree with recycling economy and low-carbon economy demand, there is the environmental benefit and social benefit that show.
Above-mentioned object is achieved through the following technical solutions:
Utilize the cement that pickling mud is produced, comprise kaolin, pickling mud, dehydrated gyp-, fluorgypsum, flyash, coal gangue, the parts by weight of each component are cement clinker 35-45 part, pickling mud 2-8 part, dehydrated gyp-8-15 part, fluorgypsum 10-20 part, flyash 10-30 part, coal gangue 15-20 part.
The described cement utilizing pickling mud to produce, the parts by weight of each component are: kaolin 38-42 part, pickling mud 3-7 part, dehydrated gyp-9-14 part, fluorgypsum 12-18 part, flyash 15-35 part, coal gangue 15-18 part.
The described cement utilizing pickling mud to produce, the parts by weight of each component are: kaolin 39-41 part, pickling mud 4-6 part, dehydrated gyp-10-13 part, fluorgypsum 14-17 part, flyash 18-30 part, coal gangue 16-18 part.
The described cement utilizing pickling mud to produce, the parts by weight of each component are: kaolin 40 parts, 5 parts, pickling mud, dehydrated gyp-12 parts, fluorgypsum 15 parts, 25 parts, flyash, coal gangue 17 parts.
Pickling mud is utilized to produce the method for cement, by kaolin, pickling mud, flyash and coal gangue according to after above-mentioned ratio of weight and number mixing, carry out high-temperature calcination, after high-temperature calcination, carry out fragmentation, then add dehydrated gyp-and fluorgypsum by ratio of weight and the number of copies, clay into power.
The described pickling mud that utilizes produces the method for cement, and the temperature of described high-temperature calcination is not less than 1450 DEG C, and is incubated 1 hour.
The described pickling mud that utilizes produces the method for cement, and the granularity of described powder is less than 300 orders.
Beneficial effect:
The recycling of the present invention to pickling mud provides new approach, and has the energy-saving and emission-reduction effect shown, and agrees with recycling economy and low-carbon economy demand, has the environmental benefit and social benefit that show.
embodiment:
Embodiment 1:
Utilize the cement that pickling mud is produced, comprise kaolin, pickling mud, dehydrated gyp-, fluorgypsum, flyash, coal gangue, the parts by weight of each component are cement clinker 35 parts, 2 parts, pickling mud, dehydrated gyp-8 parts, fluorgypsum 20 parts, 30 parts, flyash, coal gangue 20 parts.
Embodiment 2:
Utilize the cement that pickling mud is produced, comprise kaolin, pickling mud, dehydrated gyp-, fluorgypsum, flyash, coal gangue, the parts by weight of each component are cement clinker 45 parts, 8 parts, pickling mud, dehydrated gyp-15 parts, fluorgypsum 10 parts, 10 parts, flyash, coal gangue 15 parts.
Embodiment 3:
The difference of the present embodiment and embodiment 1 is: the described cement utilizing pickling mud to produce, and the parts by weight of each component are: kaolin 42 parts, 3 parts, pickling mud, dehydrated gyp-14 parts, fluorgypsum 12 parts, 35 parts, flyash, coal gangue 15 parts.
Embodiment 4:
The difference of the present embodiment and embodiment 1 is: the described cement utilizing pickling mud to produce, and the parts by weight of each component are: kaolin 38 parts, 7 parts, pickling mud, dehydrated gyp-9 parts, fluorgypsum 18 parts, 15 parts, flyash, coal gangue 18 parts.
Embodiment 5:
The difference of the present embodiment and embodiment 1 is: the described cement utilizing pickling mud to produce, and the parts by weight of each component are: kaolin 41 parts, 4 parts, pickling mud, dehydrated gyp-13 parts, fluorgypsum 14 parts, 30 parts, flyash, coal gangue 16 parts.
Embodiment 6:
The difference of the present embodiment and embodiment 1 is: the described cement utilizing pickling mud to produce, and the parts by weight of each component are: kaolin 39 parts, 6 parts, pickling mud, dehydrated gyp-10 parts, fluorgypsum 17 parts, 18 parts, flyash, coal gangue 18 parts.
Embodiment 7:
The difference of the present embodiment and embodiment 1 is: the described cement utilizing pickling mud to produce, and the parts by weight of each component are: kaolin 40 parts, 5 parts, pickling mud, dehydrated gyp-12 parts, fluorgypsum 15 parts, 25 parts, flyash, coal gangue 17 parts.
Pickling mud is utilized to produce the method for cement, by kaolin, pickling mud, flyash and coal gangue according to after above-mentioned ratio of weight and number mixing, carry out high-temperature calcination, after high-temperature calcination, carry out fragmentation, then add dehydrated gyp-and fluorgypsum by ratio of weight and the number of copies, clay into power.
The described pickling mud that utilizes produces the method for cement, and the temperature of described high-temperature calcination is not less than 1450 DEG C, and is incubated 1 hour.
The described pickling mud that utilizes produces the method for cement, and the granularity of described powder is less than 300 orders.
Below be only most preferred embodiment of the present invention, method of the present invention includes but not limited to above-described embodiment, and unaccomplished matter of the present invention belongs to the common practise of those skilled in the art.
Claims (7)
1. the cement utilizing pickling mud to produce, it is characterized in that: comprise kaolin, pickling mud, dehydrated gyp-, fluorgypsum, flyash, coal gangue, the parts by weight of each component are cement clinker 35-45 part, pickling mud 2-8 part, dehydrated gyp-8-15 part, fluorgypsum 10-20 part, flyash 10-30 part, coal gangue 15-20 part.
2. the cement utilizing pickling mud to produce according to claim 1, is characterized in that: the parts by weight of each component are: kaolin 38-42 part, pickling mud 3-7 part, dehydrated gyp-9-14 part, fluorgypsum 12-18 part, flyash 15-35 part, coal gangue 15-18 part.
3. the cement utilizing pickling mud to produce according to claim 1, is characterized in that: the parts by weight of each component are: kaolin 39-41 part, pickling mud 4-6 part, dehydrated gyp-10-13 part, fluorgypsum 14-17 part, flyash 18-30 part, coal gangue 16-18 part.
4. the cement utilizing pickling mud to produce according to claim 1, is characterized in that: the parts by weight of each component are: kaolin 40 parts, 5 parts, pickling mud, dehydrated gyp-12 parts, fluorgypsum 15 parts, 25 parts, flyash, coal gangue 17 parts.
5. the method utilizing pickling mud to produce cement, it is characterized in that: by kaolin, pickling mud, flyash and coal gangue according to after above-mentioned ratio of weight and number mixing, carry out high-temperature calcination, fragmentation is carried out after high-temperature calcination, then add dehydrated gyp-and fluorgypsum by ratio of weight and the number of copies, clay into power.
6. the method utilizing pickling mud to produce cement according to claim 5, is characterized in that: the temperature of described high-temperature calcination is not less than 1450 DEG C, and is incubated 1 hour.
7. the pickling mud that utilizes according to claim 5 or 6 produces the method for cement, it is characterized in that: the granularity of described powder is less than 300 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523633.0A CN104310814B (en) | 2014-10-08 | Utilize the method that pickling mud produces cement and the cement utilizing pickling mud to produce |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523633.0A CN104310814B (en) | 2014-10-08 | Utilize the method that pickling mud produces cement and the cement utilizing pickling mud to produce |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104310814A true CN104310814A (en) | 2015-01-28 |
| CN104310814B CN104310814B (en) | 2017-01-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946434A (en) * | 2017-03-24 | 2017-07-14 | 合肥供水集团有限公司 | A kind of resource utilization method of water treatment plant's contained manganess aluminium iron sludge |
| CN108285282A (en) * | 2018-02-24 | 2018-07-17 | 航天慧能（江苏）环境工程有限公司 | A kind of pickling sludge plasma handling system |
| CN108314337A (en) * | 2018-02-24 | 2018-07-24 | 航天慧能（江苏）环境工程有限公司 | A kind of plasma processing method of pickling sludge |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875188A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Magnesite slag aerating brick and preparation method thereof |
| CN102887724A (en) * | 2012-09-03 | 2013-01-23 | 蚌埠爱民汽车服务有限公司五河新型环保建材厂 | Aerated brick produced by modified kaolin and processing method of aerated brick |
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102875188A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Magnesite slag aerating brick and preparation method thereof |
| CN102887724A (en) * | 2012-09-03 | 2013-01-23 | 蚌埠爱民汽车服务有限公司五河新型环保建材厂 | Aerated brick produced by modified kaolin and processing method of aerated brick |
| CN103265305A (en) * | 2013-02-25 | 2013-08-28 | 陈廷武 | Concrete cement foaming insulation brick and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106946434A (en) * | 2017-03-24 | 2017-07-14 | 合肥供水集团有限公司 | A kind of resource utilization method of water treatment plant's contained manganess aluminium iron sludge |
| CN108285282A (en) * | 2018-02-24 | 2018-07-17 | 航天慧能（江苏）环境工程有限公司 | A kind of pickling sludge plasma handling system |
| CN108314337A (en) * | 2018-02-24 | 2018-07-24 | 航天慧能（江苏）环境工程有限公司 | A kind of plasma processing method of pickling sludge |
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