CN105032600A - Coal slime comprehensive recycling system of coal cleaning plant - Google Patents
Coal slime comprehensive recycling system of coal cleaning plant Download PDFInfo
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- CN105032600A CN105032600A CN201510344042.1A CN201510344042A CN105032600A CN 105032600 A CN105032600 A CN 105032600A CN 201510344042 A CN201510344042 A CN 201510344042A CN 105032600 A CN105032600 A CN 105032600A
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Abstract
The invention relates to coal cleaning systems, in particular to a coal slime comprehensive recycling system of a coal cleaning plant. The system aims at achieving the technical aim of increasing of the fine cleaned coal yield. The coal slime comprehensive recycling system comprises a blocky coal slime recycling technology system and a tail coal slime recycling technology system; a communication branch tube is arranged on a pipeline, connected with a blocky coal slime barrel, of a blocky coal magnetic separator, and the other end of the communication branch tube is connected with a first-stage fine coal slime barrel; and by means of the coal slime comprehensive recycling system of the coal cleaning plant, the branch tube is additionally arranged on a tailings pipe of the blocky coal magnetic separator, so that the blocky coal slime recycling technology system and the fine coal slime recycling technology system guide blocky coal slime into the fine coal slime barrel, and the design is organically combined together. Under the condition that a coal quality index of fine coal is allowed, part of blocky coal slime is adjusted to a fine coal system, and the fine coal is recycled into a fine coal product through the fine coal slime recycling system, so that the economic value of the blocky coal slime is improved.
Description
Technical field
The present invention relates to a kind of coal mine separation system, be specially a kind of coal preparation plant coal slime comprehensive recovery system.
Background technology
In coal preparation plant's washing system in colliery, lump coal washing system and smalls washing system are relatively independent substantially.Drying slime system and technique are not identical yet.
Its medium sized coal mud recovery process system: comprise lump coal magnetic separator, lump coal mud bucket, lump coal mud concentrate cyclone, high-frequency screen, last raw coal belt, smalls coal store;
The black water that lump coal separation system produces, is finally pooled in lump coal mud bucket, is transported in lump coal mud concentrate cyclone by coal slurrypump, coal slime is after concentrated, enter block coal slime dewatering high-frequency screen, after high-frequency screen dehydration, enter last raw coal belt, final as the last product introduction smalls coal store of sieve.
Smalls mud recovery process system: smalls sorting unit, one-level smalls mud bucket, smalls mud concentrate cyclone, spiral classifier, high-frequency screen, secondary smalls mud bucket, vertical centrifugal seperator, fine cleaned coal belt, smart smalls coal store.
The smalls mud that slack coal separation system produces, finally be pooled in smalls mud bucket, be transported in smalls mud concentrate cyclone by coal slurrypump, coal slime is after concentrated, enter spiral classifier, then via middle transshipmenting tache, finally enter in smalls vertical centrifugal machine, enter fine cleaned coal belt through centrifuge dewatering, finally enter smart smalls coal store.
Coal slime is after system recoveries, and lump coal mud enters in sieve end, as the last product of sieve.Smalls mud enters in wash coal mud, and as wash coal mud product, both there are differences in economic worth.Essence smalls is worth higher, and therefore, improving smart smalls output is the problem that we will solve.
Summary of the invention
Under the object of the invention is the condition allowed at fine cleaned coal coal index, partial block coal slime is introduced in smalls mud system, lump coal mud Product recycling in smalls product, adds the output of fine cleaned coal, thus improve the value of lump coal mud.
Technical scheme of the present invention is, a kind of coal preparation plant coal slime comprehensive recovery system, comprises lump coal mud recovery process system, smalls mud recovery process system;
Its medium sized coal mud recovery process system comprises lump coal magnetic separator 1, lump coal mud bucket 2, lump coal mud concentrate cyclone 4, high-frequency screen 5, last raw coal belt 6, smalls coal store 7; Wherein, smalls mud recovery process system: smalls sorting unit 17, one-level smalls mud bucket 16, smalls mud concentrate cyclone 15, spiral classifier 14, high-frequency screen 9, secondary smalls mud bucket 13, vertical centrifugal seperator 12, fine cleaned coal belt 10, smart smalls coal store 11;
Described lump coal magnetic separator 1 contiguous block coal slime bucket 2, lump coal mud bucket 2 contiguous block coal slime concentrate cyclone 4, lump coal mud concentrate cyclone 4 connects two high-frequency screens 5, and high-frequency screen 5 one end connects last raw coal belt 6, other end contiguous block coal slime bucket 2, last raw coal belt 6 connects smalls coal store 7; Smalls sorting unit 17 connects one-level smalls mud bucket 16, one-level smalls mud bucket 16 connects smalls mud concentrate cyclone 15, smalls mud concentrate cyclone 15 connects spiral classifier 14, spiral classifier 14 one end connects high-frequency screen 9, the other end connects secondary smalls mud bucket 13, secondary smalls mud bucket 13 connects vertical centrifugal seperator 12 by rehandling facilities, vertical centrifugal seperator 12 one end connects fine cleaned coal belt 10, the other end connects secondary coal slime bucket 13, and fine cleaned coal belt 10 connects smart smalls coal store 11; The pipeline of its medium sized coal magnetic separator contiguous block coal slime bucket is provided with and is communicated with arm 3, is communicated with the arm other end and connects one-level smalls mud bucket 16.
Compared with prior art, lump coal mud recovery process system and smalls mud recovery process system are passed through to increase bye-pass on lump coal magnetic separator debris tube by coal preparation plant of the present invention coal slime comprehensive recovery system, guided to by lump coal mud in smalls mud bucket, such design organically combines; Under the condition that smart smalls coal index allows, realize part lump coal coal slime to adjust in smalls coal slime system, then by smalls drying slime system, smalls mud is recovered in smart smalls product, thus improve the economic worth of lump coal mud.
Accompanying drawing explanation
Fig. 1 is artwork of the present invention
In figure: 1-lump coal magnetic separator, 2-lump coal mud bucket, 3-connection arm, 4-lump coal mud concentrate cyclone, 5-high-frequency screen, 6-end raw coal belt, 7-sieve last storehouse, 8-concentration basin, 9-high-frequency screen, 10-fine cleaned coal belt, 11-essence smalls coal store, 12-vertical centrifugal seperator, 13-secondary smalls mud bucket, 14-spiral classifier, 15-smalls mud concentrate cyclone, 16-one-level smalls mud bucket, 17-smalls sorting unit.
Detailed description of the invention
As schematically shown in Figure 1, a kind of coal preparation plant coal slime comprehensive recovery system, comprises lump coal mud recovery process system, smalls mud recovery process system; Its medium sized coal mud recovery process system comprises lump coal magnetic separator 1, lump coal mud bucket 2, lump coal mud concentrate cyclone 4, high-frequency screen 5, last raw coal belt 6, smalls coal store 7; Wherein, smalls mud recovery process system: smalls sorting unit 17, one-level smalls mud bucket 16, smalls mud concentrate cyclone 15, spiral classifier 14, high-frequency screen 9, secondary smalls mud bucket 13, vertical centrifugal seperator 12, fine cleaned coal belt 10, smart smalls coal store 11; Described lump coal magnetic separator 1 contiguous block coal slime bucket 2, lump coal mud bucket 2 contiguous block coal slime concentrate cyclone 4, lump coal mud concentrate cyclone 4 connects two high-frequency screens 5, and high-frequency screen 5 one end connects last raw coal belt 6, other end contiguous block coal slime bucket 2, last raw coal belt 6 connects smalls coal store 7; Smalls sorting unit 17 connects one-level smalls mud bucket 16, one-level smalls mud bucket 16 connects smalls mud concentrate cyclone 15, smalls mud concentrate cyclone 15 connects spiral classifier 14, spiral classifier 14 one end connects high-frequency screen 9, the other end connects secondary smalls mud bucket 13, secondary smalls mud bucket 13 connects vertical centrifugal seperator 12 by rehandling facilities, vertical centrifugal seperator 12 one end connects fine cleaned coal belt 10, the other end connects secondary coal slime bucket 13, and fine cleaned coal belt 10 connects smart smalls coal store 11; The pipeline of its medium sized coal magnetic separator contiguous block coal slime bucket is provided with and is communicated with arm 3, is communicated with the arm other end and connects one-level smalls mud bucket 16.
Calculate if press lump coal mud 3 tons/hourly output, annual recyclable 10,000 tons of expectation, if smart smalls and sieve smalls price difference are by 150 yuan/ton of calculating, then the economic benefit of every annual meeting generation 1,500,000.
Claims (1)
1. coal preparation plant's coal slime comprehensive recovery system, is characterized in that comprising lump coal mud recovery process system, smalls mud recovery process system, its medium sized coal mud recovery process system comprises lump coal magnetic separator (1), lump coal mud bucket (2), lump coal mud concentrate cyclone (4), high-frequency screen (5), last raw coal belt (6), smalls coal store (7), wherein smalls mud recovery process system comprises smalls sorting unit (17), one-level smalls mud bucket (16), smalls mud concentrate cyclone (15), spiral classifier (14), high-frequency screen (9), secondary smalls mud bucket (13), vertical centrifugal seperator (12), fine cleaned coal belt (10), smart smalls coal store (11), described lump coal magnetic separator (1) contiguous block coal slime bucket (2), lump coal mud bucket (2) contiguous block coal slime concentrate cyclone (4), lump coal mud concentrate cyclone (4) connects two high-frequency screens (5), high-frequency screen (5) one end connects last raw coal belt (6), other end contiguous block coal slime bucket (2), last raw coal belt (6) connects smalls coal store (7), smalls sorting unit (17) connects one-level smalls mud bucket (16), one-level smalls mud bucket (16) connects smalls mud concentrate cyclone (15), smalls mud concentrate cyclone (15) connects spiral classifier (14), spiral classifier (14) one end connects high-frequency screen (9), the other end connects secondary smalls mud bucket (13), secondary smalls mud bucket (13) connects vertical centrifugal seperator (12) by rehandling facilities, vertical centrifugal seperator (12) one end connects fine cleaned coal belt (10), the other end connects secondary coal slime bucket (13), fine cleaned coal belt (10) connects smart smalls coal store (11), the pipeline of its medium sized coal magnetic separator contiguous block coal slime bucket is provided with and is communicated with arm (3), is communicated with the arm other end and connects one-level smalls mud bucket (16).
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| CN201510344042.1A CN105032600B (en) | 2015-06-22 | 2015-06-22 | Coal preparation plant's coal slime comprehensive recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954582A (en) * | 2019-04-09 | 2019-07-02 | 安徽理工大学 | A kind of method for separating and its floatation system for slime water concentration |
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| US3794162A (en) * | 1972-03-06 | 1974-02-26 | Bethlehem Steel Corp | Heavy medium beneficiating process |
| CN1424151A (en) * | 2002-12-31 | 2003-06-18 | 天地科技股份有限公司唐山分公司 | Process for heavy media separation of coarse coal slurry |
| CN102847606A (en) * | 2012-09-01 | 2013-01-02 | 山东科技大学 | Coarse slime separation process |
| CN202752094U (en) * | 2012-08-22 | 2013-02-27 | 山西晋城无烟煤矿业集团有限责任公司 | Pulverized coal slime dehydration system |
| CN103464272A (en) * | 2013-09-02 | 2013-12-25 | 山东科技大学 | Coarse coal slime two-section water medium sorting method |
| CN104437828A (en) * | 2014-09-16 | 2015-03-25 | 中国矿业大学 | Efficient desulfuration and deashing dense medium separation technology for fine coal |
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2015
- 2015-06-22 CN CN201510344042.1A patent/CN105032600B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3794162A (en) * | 1972-03-06 | 1974-02-26 | Bethlehem Steel Corp | Heavy medium beneficiating process |
| CN1424151A (en) * | 2002-12-31 | 2003-06-18 | 天地科技股份有限公司唐山分公司 | Process for heavy media separation of coarse coal slurry |
| CN202752094U (en) * | 2012-08-22 | 2013-02-27 | 山西晋城无烟煤矿业集团有限责任公司 | Pulverized coal slime dehydration system |
| CN102847606A (en) * | 2012-09-01 | 2013-01-02 | 山东科技大学 | Coarse slime separation process |
| CN103464272A (en) * | 2013-09-02 | 2013-12-25 | 山东科技大学 | Coarse coal slime two-section water medium sorting method |
| CN104437828A (en) * | 2014-09-16 | 2015-03-25 | 中国矿业大学 | Efficient desulfuration and deashing dense medium separation technology for fine coal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954582A (en) * | 2019-04-09 | 2019-07-02 | 安徽理工大学 | A kind of method for separating and its floatation system for slime water concentration |
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