CN103351103A - Method for producing lime with marble thick liquid and powder - Google Patents
Method for producing lime with marble thick liquid and powder Download PDFInfo
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- CN103351103A CN103351103A CN2013102878868A CN201310287886A CN103351103A CN 103351103 A CN103351103 A CN 103351103A CN 2013102878868 A CN2013102878868 A CN 2013102878868A CN 201310287886 A CN201310287886 A CN 201310287886A CN 103351103 A CN103351103 A CN 103351103A
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Abstract
The invention provides a method for producing lime with marble thick liquid and powder. The method comprises the following steps: raw material, namely waste water and waste residue (marble thick liquid) generated in marble production, is subjected to filter pressing and dehydration to obtain filter cake marble powder; the marble powder is put into a calcination push earthen bowl, and then is put into a stove to be calcinated, wherein the preheating stoving section temperature is 100-200 DEG C, the pre-calcinating section temperature is 300-700 DEG C, and the calcinated section temperature is 850-1150 DEG C; after the calcination is completed, the temperature is reduced and material is discharged to obtain flocculation powder granular lime products. The production process generates no pollution of three wastes, and the quality of the obtained flocculation powder granular lime products is higher than the national standard.
Description
Technical field
The present invention relates to a kind of lime production method and equipment thereof.
Background technology
Ping Gui district, south china city Shui Yan dam periphery is to abound with one of foremost place of production of high-quality marble.Marble slabs processing and the marble processes in this place are quite prosperous, but consequent a large amount of waste water and dregs (marble slurry), quantity is also quite surprising.Because compatriots' environmental consciousness is not strong, all processing enterprises all enter discarded marble slurry everywhere in irrigation canals and ditches, streams, the river course many years ago, cause streams, the turbid wave rolling of river white, the environmental protection accidents such as ditch side, channel aggradation.In recent years, compatriots' quality had improved, and environmental administration sternly grabs tubule especially, and stone slurry settling tank is built in each sheet material source mill of mandatory requirement and the repair in shop of marble technique; The stone slurry of precipitation is collected stacking, landfill by the environmental protection company of specialty, but this has also taken many precious land resources.
Through Chinese publication retrieval, the scheme identical with present patent application of not finding.
Summary of the invention
The object of the invention is to: for present marble slabs production, a large amount of waste water and dregs of generation (marble slurry) causes problem of environmental pollution and the environmental protection problems anxious to be resolved such as ditch side, channel aggradation; The method of a kind of marble slurry, powder production lime is proposed.
The method that marble slurry of the present invention, powder are produced lime is characterized in that: the waste water and dregs (marble slurry) of generation is as raw material in producing take marble, and its explained hereafter step is as follows:
1, raw material marble slurry filter-press dehydration is processed, and obtains the filter cake marble flour;
2, the filter cake marble flour is packed into roasting pushes away alms bowl;
3, enter stove and burn till roasting; Pre-heating drying section temperature is 100-200 ℃ of scopes; Pre-burning section intensification degree is 300-700 ℃ of scopes; The section of burning till temperature is 850-1150 ℃ of scopes;
4, burn till after, cooling discharge namely gets flocculation granular lime product.
The present invention's beneficial effect compared with prior art is: it has the following advantages:
1, the present invention is fired into flocculation lime powder to discarded marble slurry, turns waste into wealth continuous production, the energy-conserving and environment-protective Production Flow Chart of thoroughly effecting a radical cure waste pollutant.
2, the present invention has adopted the pressure filter processed and has selected the kiln with residual heat drying function to calcine, so the efficient of its thermal utilization is high, energy consumption is low, its coal consumption only has 2/3 of common employing Wingdale slabstone lime calcining consumption of coal.
3, to adopt discarded marble slurry to replace traditional with Wingdale slabstone lime calcining in the present invention, can save limestone resource, reduces the vegetation deterioration that a large amount of exploitations because of Wingdale cause, stony desertification harm.
4, the present invention starches the lime powder of firing with discarded marble, and because particle is little, decomposition temperature is low, decomposes fully, and calcium oxide content is high, and is best in quality.
5, the lime product of gained is the flocculation powder, load and unload, pack, its airborne dust is less than the lime powder that grinds when unpacking, and it is more fine and smooth to send out the lime putty of making.
6, the present invention's lime ratio of producing lime whiteness of using traditional method to fire is higher.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing, but embodiments of the present invention are not limited to this.
Fig. 1---marble slurry of the present invention, powder are produced the method special production line synoptic diagram of lime.
Among the figure: feed reservoir (1), fresh feed pump (2), pressure filter (3), feeder (4), hopper (5), stoving oven (6), lime (7), suspension bucket (8), high-order storage bunker (9), exhaust blower (10), water spraying and dedusting chamber (11), water pump (12), smokestack (13), filtrate tank (14), water precipitation settling pond (15), cyclonic separator (16), sack cleaner (17), dedusting gathering system (18), crane (19).
Embodiment
Marble of the present invention is starched, the method for powder production lime, and the waste water and dregs (marble slurry) of generation is as raw material in producing take marble, and its explained hereafter step is as follows:
1, raw material marble slurry filter-press dehydration is processed, and obtains the filter cake marble flour;
2, the filter cake marble flour is packed into roasting pushes away alms bowl;
3, enter stove and burn till roasting; Pre-heating drying section temperature is 100-200 ℃ of scopes; Pre-burning section temperature is 300-700 ℃ of scopes; The section of burning till temperature is 850-1150 ℃ of scopes;
4, burn till after, cooling discharge namely gets flocculation granular lime product.
The method that marble of the present invention slurry, powder are produced lime, adopt marble slurry that us design, method production line application that powder is produced lime for example as:
As shown in Figure 1, the marble slurry, powder is produced the method production line of lime, its feed reservoir (1), fresh feed pump (2), pressure filter (3), feeder (4), hopper (5), stoving oven (6), suspension bucket (8), high-order storage bunker (9), exhaust blower (10), water spraying and dedusting chamber (11), water pump (12), smokestack (13), filtrate tank (14), water precipitation settling pond (15), cyclonic separator (16), sack cleaner (17), equipment and the component such as dedusting gathering system (18) can adopt the material of prior art and manufacture method to obtain.
As shown in Figure 1, marble slurry, powder are produced the method production line of lime, also can be referred to as powdered lime production equipment; Formed by the system of getting the raw materials ready, firing system, environment friendly system; Described environment friendly system comprises water cycle equipment, suspended particulate collection change system; Formation docked by fresh feed pump (2) with pressure filter (3) by feed reservoir (1) in the described system that gets the raw materials ready; Described firing system is docked with the hopper (5) of stoving oven (6) by feeder (4), and hopper (5) discharge end of stoving oven (6) docks with suspension bucket (8), and suspension bucket docks with high-order storage bunker (9) and consists of; Described water cycle equipment, filtrate tank (14), water precipitation settling pond (15) docks with water spraying and dedusting chamber (11) by water pump (12) and to consist of; Described suspended particulate is collected change system, by cyclonic separator (16) blast inlet, docks with high-order storage bunker (9) venting port, dedusting gathering system (18), and cyclonic separator (16) air outlet is connected with sack cleaner (17) and consists of; The pressure filter of its system that gets the raw materials ready (3) docks with the feeder (4) of firing system, the exhaust blower (10) of the stoving oven of firing system (6) uses water spraying and dedusting chamber (11) inlet mouth of equipment to be connected with water cycle, and the air outlet of the water spraying and dedusting chamber (11) of water cycle equipment is connected with the inlet mouth of smokestack (13); The waste water that its system's pressure filter (3) of getting the raw materials ready is separated enters precipitation clarification storage tank (14); The stack gas of its firing system stoving oven (6) is processed the waste water that forms through spraying and dedusting chamber (11) and is entered settling pond (15); Water after clarification storage tank (14), the clarification of settling pond (15) precipitation enters water spraying and dedusting chamber (11) by water pump (12) and realizes the water cycle use.Its equipment ﹠ installation, debugging can adopt the installation of prior art, adjustment method to finish.
Its manufacturing condition and step are as follows:
1, raw material marble slurry filter-press dehydration is processed, and obtains the filter cake marble flour;
2, the filter cake marble flour is packed into roasting pushes away alms bowl;
3, enter stove and burn till roasting; Pre-heating drying section temperature is 100-200 ℃ of scopes; Pre-burning section intensification degree is 300-700 ℃ of scopes; The section of burning till temperature is 850-1150 ℃ of scopes;
4, burn till after, cooling discharge namely gets flocculation granular lime product.
The method that marble slurry of the present invention, powder are produced lime, production process is without waste sludge discharge, and waste water all recycles; Waste gas is processed through the water spraying and dedusting, without exhaust emission; Suspended particulate is processed through cyclonic separator and sack cleaner, can not cause environmental pollution.Gained flocculation granular lime product quality is higher than national standard.
Claims (1)
1. marble slurry, the powder method of producing lime is characterized in that: take the waste water and dregs (marble slurry) that produces during marble is produced as raw material, its explained hereafter step is as follows:
1) raw material marble slurry filter-press dehydration is processed, and obtains the filter cake marble flour;
2) the filter cake marble flour is packed into roasting pushes away alms bowl;
3) enter stove and burn till roasting; Pre-heating drying section temperature is 100-200 ℃ of scopes; Pre-burning section intensification degree is 300-700 ℃ of scopes; The section of burning till temperature is 850-1150 ℃ of scopes;
4) burn till after, cooling discharge namely gets flocculation granular lime product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102878868A CN103351103A (en) | 2013-07-10 | 2013-07-10 | Method for producing lime with marble thick liquid and powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102878868A CN103351103A (en) | 2013-07-10 | 2013-07-10 | Method for producing lime with marble thick liquid and powder |
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| Publication Number | Publication Date |
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| CN103351103A true CN103351103A (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102878868A Pending CN103351103A (en) | 2013-07-10 | 2013-07-10 | Method for producing lime with marble thick liquid and powder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553372A (en) * | 2013-10-29 | 2014-02-05 | 福建省建材进出口有限责任公司 | Method for producing lime by using waste Nan'an marble powder |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN110963719A (en) * | 2020-01-06 | 2020-04-07 | 张镇 | Method and device for preparing quicklime |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124498A (en) * | 1976-04-13 | 1977-10-19 | Chikayoshi Sasaki | Water soluble quick lime |
| CN101244900A (en) * | 2008-03-18 | 2008-08-20 | 曲玉珠 | Method for producing calcium oxide with marble as raw material |
| CN101570406A (en) * | 2009-06-11 | 2009-11-04 | 北京市琉璃河水泥有限公司 | Calcination process of active lime |
| CN103058233A (en) * | 2012-06-25 | 2013-04-24 | 建德市宏兴钙业有限责任公司 | Production method of active metallurgical lime |
-
2013
- 2013-07-10 CN CN2013102878868A patent/CN103351103A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124498A (en) * | 1976-04-13 | 1977-10-19 | Chikayoshi Sasaki | Water soluble quick lime |
| CN101244900A (en) * | 2008-03-18 | 2008-08-20 | 曲玉珠 | Method for producing calcium oxide with marble as raw material |
| CN101570406A (en) * | 2009-06-11 | 2009-11-04 | 北京市琉璃河水泥有限公司 | Calcination process of active lime |
| CN103058233A (en) * | 2012-06-25 | 2013-04-24 | 建德市宏兴钙业有限责任公司 | Production method of active metallurgical lime |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103553372A (en) * | 2013-10-29 | 2014-02-05 | 福建省建材进出口有限责任公司 | Method for producing lime by using waste Nan'an marble powder |
| CN110433592A (en) * | 2019-09-03 | 2019-11-12 | 安徽马钢矿业资源集团有限公司 | A kind of rotational automatic spray dust-arrest device of fast demountable |
| CN110963719A (en) * | 2020-01-06 | 2020-04-07 | 张镇 | Method and device for preparing quicklime |
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Application publication date: 20131016 |