CN104893770A - Process for preparing slurry by mixing Shenhua coal and Pingyi coal - Google Patents
Process for preparing slurry by mixing Shenhua coal and Pingyi coal Download PDFInfo
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- CN104893770A CN104893770A CN201410380571.2A CN201410380571A CN104893770A CN 104893770 A CN104893770 A CN 104893770A CN 201410380571 A CN201410380571 A CN 201410380571A CN 104893770 A CN104893770 A CN 104893770A
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Abstract
The present invention designs a process for preparing slurry by mixing Shenhua coal and Pingyi coal. The process comprises the following steps: preparing raw material coal: shoveling the Shenhua coal and the Pingyi coal into a coal bucket at a ratio of 1:1 by using a forklift, mixing the coal uniformly, crushing the coal to be 50-200 meshes through a crusher, and conveying the coal to a buffer coal bunker to prepare the raw material coal for slurry preparation; preparing the slurry by a grinder: directly conveying the crushed and prepared raw material coal into the grinder by utilizing a belt by virtue of the buffer coal bunker, adding prepared water and additives at the same time to the raw material coal, fully grinding and uniformly mixing the components to prepare water coal slurry with relatively high viscosity, adding a water reducer through a slurry outlet again to perform viscosity reduction, enabling the water coal slurry to flow into a buffer tank, and performing high-speed shearing through a stabilization pipe and a homogenizing tank to prepare an available water coal slurry product. The slurry preparation process not only reduces the cost of the raw material coal and improves the quality of the raw material coal, but also fundamentally eases the situation of raw material coal shortage; the slurry preparation process also can reduce the additive consumption and increase effective components of the additive, so that the costs are reduced, and the economic benefits of enterprises are improved.
Description
Technical field
The present invention relates to coal slurry preparation field, be applicable to a kind of Firing Shenhua Coal peace one coal mixing coal blending pulping process by slurrying feed coal, particularly Firing Shenhua Coal single slurrying restriction in coal water slurry industry.
Background technology
The coal adopted due to different enterprise's slurrying is different, and each character of coal just has different difference, and particularly, water affects the main effects on slurry making of coal, and the ground index of coal is lower, and the difficulty of slurrying is larger, more not easily produces the coal water slurry of high density.Particularly for the low culm of Shenhua that amount is at present larger, by water is high in the inner, can grind index low, sludge forming performance is poor, uses the independent slurrying of this coal, must drop into larger production and spend such as crushing power, part such as consumption such as grinding power, additive etc.Good pulping process is not also had at present for Firing Shenhua Coal slurrying, meanwhile, the character improving pulping raw material coal is the fundamental way solving slurrying, certainly reasonably pulping process also contributes to improving water coal slurry concentration, so, the key of slurrying is the height of pulping raw material coal quality, and not only good quality but also cheap pulping raw material coal were the only choosings of numerous coal water slurry producer.Current most of slurrying is all select low-rank coal, and in low-rank coal, Firing Shenhua Coal batch is comparatively large, although and a flat coal batch takes second place, because its price is higher, so most of producer is also unwilling to use the flat independent slurrying of a coal.The matter of utmost importance that pulping raw material coal restricted problem just becomes slurrying industry is solved at this.Therefore need a kind of new slurrying road of research and development badly, pulping raw material coal restricted problem can be solved, fundamentally can reduce again the pulping process that enterprise's production cost improves the economic benefit of slurrying enterprise.
Practical content
The object of the invention is to solution is that the shortage of above-mentioned pulping raw material coal and single coal produce coal water slurry process defect, reduce the high cost production problems such as abrasion, depletion of additive, there is provided a kind of can when feed coal shortage, other proportioning coals are adopted to produce high-concentration coal-water slurry, normal production can be ensured, the disconnected slurry of pre-anti-breaking coal, again reduces slurrying power consumption, a series of problem that can improve production cost such as depletion of additive.
In order to achieve the above object, a kind of Firing Shenhua Coal peace one coal mixing coal blending pulping process designed by the present invention, comprise the steps: prepared by feed coal: first shovel into coal bunker by Firing Shenhua Coal peace one coal according to 1:1 ratio with forklift, mix and get out pulping raw material coal through crusher in crushing to being delivered to buffering coal bin again after order number is 50-200 order; Grinding machine slurrying: the feed coal breaking, prepare directly is carried as in grinding machine through belt through buffering coal bin, meanwhile add ready water, additive, through the coal water slurry that the viscosity being ground system is fully higher, again add water reducer at grout outlet and carry out viscosity reduction, and flow into surge tank, and then the used water coal slurry product of high speed shear through stable pipe, homogeneous tank.
The present invention has the following advantages: the production technique mainly adopting the one coal coal blending slurrying of Firing Shenhua Coal peace, the single coal slurrying of customer service, the defect that viscosity is high, concentration is low, and be that slurrying coal changes in whole pulping process, do not affect the normal operation of whole production line, and technique is simple, mixed economy cost is low.Pulping process of the present invention had both reduced feed coal cost, improve feed coal quality, and the situation fundamentally alleviating feed coal anxiety also can reduce depletion of additive amount simultaneously, improve the effective constituent of additive, save cost, thus raising Business Economic Benefit, be the road of the economy of modern business development.
Embodiment
Below by embodiment, technical scheme of the present invention is described in further detail.
A kind of Firing Shenhua Coal peace one coal mixing coal blending pulping process designed by the present invention, comprise the steps: prepared by feed coal: first shovel into coal bunker by Firing Shenhua Coal peace one coal according to 1:1 ratio with forklift, mix and get out pulping raw material coal through crusher in crushing to being delivered to buffering coal bin again after order number is 100 orders; Grinding machine slurrying: the feed coal breaking, prepare directly is carried as in grinding machine through belt through buffering coal bin, meanwhile add ready water, additive, through the coal water slurry that the viscosity being ground system is fully higher, again add water reducer at grout outlet and carry out viscosity reduction, and flow into surge tank, and then the used water coal slurry product of high speed shear through stable pipe, homogeneous tank.
The present invention has the following advantages: the production technique mainly adopting the one coal coal blending slurrying of Firing Shenhua Coal peace, the single coal slurrying of customer service, the defect that viscosity is high, concentration is low, and be that slurrying coal changes in whole pulping process, do not affect the normal operation of whole production line, and technique is simple, mixed economy cost is low.Pulping process of the present invention had both reduced feed coal cost, improve feed coal quality, and the situation fundamentally alleviating feed coal anxiety also can reduce depletion of additive amount simultaneously, improve the effective constituent of additive, save cost, thus raising Business Economic Benefit, be the road of the economy of modern business development
Finally, it should be pointed out that above embodiment is only the more representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-described embodiment, can also have many distortion.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (1)
1. a Firing Shenhua Coal peace one coal mixing coal blending pulping process, is characterized in that, comprise the steps:
Prepared by feed coal: first shovel into coal bunker by Firing Shenhua Coal peace one coal according to 1:1 ratio with forklift, mix and get out pulping raw material coal through crusher in crushing to being delivered to buffering coal bin again after order number is 50-200 order;
Grinding machine slurrying: the feed coal breaking, prepare directly is carried as in grinding machine through belt through buffering coal bin, meanwhile add ready water, additive, through the coal water slurry that the viscosity being ground system is fully higher, again add water reducer at grout outlet and carry out viscosity reduction, and flow into surge tank, and then the used water coal slurry product of high speed shear through stable pipe, homogeneous tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380571.2A CN104893770A (en) | 2014-08-05 | 2014-08-05 | Process for preparing slurry by mixing Shenhua coal and Pingyi coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380571.2A CN104893770A (en) | 2014-08-05 | 2014-08-05 | Process for preparing slurry by mixing Shenhua coal and Pingyi coal |
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| CN104893770A true CN104893770A (en) | 2015-09-09 |
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| CN201410380571.2A Pending CN104893770A (en) | 2014-08-05 | 2014-08-05 | Process for preparing slurry by mixing Shenhua coal and Pingyi coal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315068A (en) * | 2018-04-04 | 2018-07-24 | 青岛艾尔乐新材料有限公司 | Method for water-coal-slurry viscosity reduction |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729818U (en) * | 2010-07-27 | 2011-02-02 | 中国神华能源股份有限公司 | High-concentration pulping device for Shenhua coal |
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2014
- 2014-08-05 CN CN201410380571.2A patent/CN104893770A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729818U (en) * | 2010-07-27 | 2011-02-02 | 中国神华能源股份有限公司 | High-concentration pulping device for Shenhua coal |
Non-Patent Citations (2)
| Title |
|---|
| 李艳昌等: ""配煤提高煤种成浆性能的研究"", 《煤炭转化》 * |
| 李艳昌等: "配煤提高神华煤成浆性能的研究", 《煤炭转化》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108315068A (en) * | 2018-04-04 | 2018-07-24 | 青岛艾尔乐新材料有限公司 | Method for water-coal-slurry viscosity reduction |
| CN108315068B (en) * | 2018-04-04 | 2020-04-21 | 青岛艾尔乐新材料有限公司 | Method for reducing viscosity of coal water slurry |
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Application publication date: 20150909 |