CN104722237A - Complete production device for combusting coal water slurry - Google Patents
Complete production device for combusting coal water slurry Download PDFInfo
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- CN104722237A CN104722237A CN201510134227.XA CN201510134227A CN104722237A CN 104722237 A CN104722237 A CN 104722237A CN 201510134227 A CN201510134227 A CN 201510134227A CN 104722237 A CN104722237 A CN 104722237A
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Abstract
The invention discloses a complete production device for combusting coal water slurry. The complete production device comprises a steel coal bucket, a metering and weighing belt conveyor, a high-concentration coal water slurry pulping ball grinding mill, a vibration screen, a buffering tank, a slurry filter, a slurry depositing groove, a stabilizing machine, a high-shearing strengthening pump, a homogenization machine and a slurry storage tank which are matched and arranged in sequence, wherein a feeding hole of the high-concentration coal water slurry pulping ball grinding mill is further connected with a dispersant diluting tank and a water pipe; the buffering tank is further connected with a stabilizing agent diluting tank and an unqualified slurry bucket; a discharging hole of the unqualified slurry bucket is connected with the feeding hole of the high-concentration coal water slurry pulping ball grinding mill by a pipeline; and the complete production device is further connected with an electric appliance control cabinet. The coal water slurry produced by the device has the characteristics of low viscosity, good mobility, high concentration and good stability.
Description
Technical field
The present invention relates to water-coal-slurry slurring apparatus field, especially relate to a kind of metabolic water coal slurry complete device for producing.
Background technology
Water-coal-slurry is a kind of fuel slurry, can pumping as oil, atomization, storage and smooth combustion, its calorific value is equivalent to the half of fuel oil, fuel oil can be replaced to be used for boiler, power station, industrial furnace and kiln, for replacing oil plant to use, having that combustion benefits is high, load adjustment is convenient, reducing environmental pollution, improving working conditions and the advantage such as saving coal.
Current most slurrying enterprise all adopts a grinding machine high concentration ore grinding slurrying complete production unit, and this complete production unit mainly comprises raw coal feed bin, defeated coal batcher, rubber conveyer, Reversable back-hammering disintegrator, bucket elevator, intermediate bin, measuring belt conveyer, screw(-type) feeder, high-concentration coal-water slurry ball mill, vibratory sieve, surge tank, pulp filter, stabilizing machine, homogeneous tank, slurry can.Adopt this complete production unit technological process simple, the coking coal of suitable easy pulping, but coal moisture coal that is higher and that be difficult to pulping also has the following disadvantages: due to the reason of coal and grinding process, be difficult to be prepared into high concentration metabolic water coal slurry, therefore can only be water-coal-slurry primary product enter surge tank stirring after grinding after, the thixotropy of water-coal-slurry is more weak, yield stress is lower, coal slurry grain size distribution is unreasonable, cause the viscosity of water-coal-slurry very high, rheological characteristic is poor, stability is lower, coal particle solid content lower (can only about 60% be reached), cause Cws Spray effect bad, efficiency of combustion is low, because viscosity is very high, poor fluidity, easy generation pipeline blockage and spray gun block and deposition problems in slurry can, because water-coal-slurry density is low, efficiency of combustion is also lower.In prior art also some for the solution of these problems, but complex process causes complex structure usually, production efficiency is low, energy consumption is large, these shortcomings have impact on pulping efficiency and the utilization of the coals such as thermal coal, weak coal, long bituminous coal greatly, and people are badly in need of finding a kind of apparatus that can address these problems.
Summary of the invention
The present invention, for overcoming above-mentioned deficiency, provides the metabolic water coal slurry complete device for producing that can solve the problems such as current Cws Viscosity is high, poor fluidity that a kind of technique is simple, energy consumption is low, output is high.
The technical solution adopted in the present invention is:
A kind of metabolic water coal slurry complete device for producing, it is characterized in that, comprise be equipped with successively steel coal hopper, computation weigh belt feeder, water-coal-slurry pulping with high density ball mill, vibratory sieve, surge tank, pulp filter, long-pending stock tank, stabilizing machine, high shear intensified pump, all pulp grinder, slurry can, described steel coal hopper is arranged on the top of computation weigh belt feeder, the discharging opening of steel coal hopper weighs belt feeder with metering and is connected, measuring belt conveyer is connected by the charging aperture of screw(-type) feeder with water-coal-slurry pulping with high density ball mill, the discharging opening of water-coal-slurry pulping with high density ball mill is connected with vibratory sieve, vibratory sieve is connected with surge tank, surge tank is connected with pulp filter, pulp filter is connected with long-pending stock tank, long-pending stock tank is connected with stabilizing machine, the discharging opening of stabilizing machine is connected with high shear intensified pump charging aperture by conveying screw rod pump, high shear intensified pump discharging opening is connected with homogenate machine inlet capable, equal pulp grinder discharging opening is connected with slurry can, the charging aperture place of described water-coal-slurry pulping with high density ball mill, is also connected with dispersant thinning tank and water pipe, on described surge tank, be also connected with stabilizing agent thinning tank, described surge tank is also connected with defective slurry bucket, the discharging opening of described defective slurry bucket is connected to the charging aperture of water-coal-slurry pulping with high density ball mill by pipeline, this complete device for producing is also connected with electric control cabinet.
As preferably, the other end of described steel coal hopper is connected with high capacity crusher, and described high capacity crusher is arranged on the top of steel coal hopper, makes the slurrying coal after efficiency crushing enter steel coal hopper thus enter production system.
As preferably, be connected with dress slurry station after described slurry can, described dress slurry station is connected with automobile hold-up tank after being measured by meter screw stem pump, delivers to water-coal-slurry user.
As preferably, between described surge tank and pulp filter, long-pending between stock tank and stabilizing machine, all between pulp grinder and slurry can, between surge tank and defective slurry bucket, between defective slurry bucket and water-coal-slurry pulping with high density machine, between dispersant thinning tank and water-coal-slurry pulping with high density machine, between stabilizing agent thinning tank and surge tank, be equipped with conveying screw rod pump.
As preferably, be all provided with agitator in described defective slurry bucket, surge tank, pulp filter, stabilizing machine, all pulp grinder, slurry can, dispersant thinning tank and stabilizing agent thinning tank, solve precipitation of solid material problem.
As preferably, in described pulp filter, be provided with filter screen, and operation with pressure in the process of sieving.
The invention has the beneficial effects as follows: present invention process flow process is succinct, water-coal-slurry pulping with high density ball mill is utilized to carry out grinding ensure that grinding effect from source, Appropriate application vibratory sieve again, pulp filter, stabilizing machine, equal pulp grinder, high shear intensified pump carries out cooperation and carries out multi-filtering and stable process, reach and make water-coal-slurry starch matter evenly stable, rheological property is excellent, viscosity is low, the feature that storage time is long, simultaneously, decrease the use number of conveying screw rod pump as much as possible, reduce energy consumption, the wherein use of especially high shear intensified pump, not only shearing and defeated slurry function are integrated, reduce defeated slurry process screw pump equipment, and water-coal-slurry makes the generation of water-coal-slurry particle align through high Strong shear, water-coal-slurry particle after arrangement more easily slips over mutually, thus considerably increase rheological characteristic and the stability of water-coal-slurry, also Cws Viscosity is greatly reduced, water-coal-slurry density is also uprised, finally realize efficiency of combustion to improve, stability improves, curing time extends, be more conducive to the object of preserving, especially reach and make high viscosity metabolic water coal slurry be down to below 1200mpa.s by high strength shearing, ensure spray burning effect, improve combustion process security and improve the spray tip life-span, improve the yield strength of water-coal-slurry, yield strength is higher, water coal slurry stability better, ensures that the excellent results of number of days more than 60 days stablized by the slurry for subsequent use in circulating tank.While obtaining the product of function admirable, due to the tight cooperation of above-mentioned each device, operation is simplified, reduce energy consumption and equipment investment, improve production efficiency, promote to the utilization of low-order coal and paved road, have good environmental protection and economic benefit.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present invention;
In figure: 1, steel coal hopper; 2, computation weigh belt feeder; 3, water-coal-slurry pulping with high density ball mill; 4, vibratory sieve; 5, defective slurry bucket; 6, surge tank; 7, pulp filter; 8, long-pending stock tank; 9, stabilizing machine; 10, equal pulp grinder; 11, high shear intensified pump; 12, slurry can; 13, electric control cabinet; 14, dispersant thinning tank; 15, stabilizing agent thinning tank; 16, water pipe; 17, dress slurry station; 18, high capacity crusher; 19, conveying screw rod pump; 20, conveying screw rod pump; 21, conveying screw rod pump; 22, conveying screw rod pump; 23, conveying screw rod pump; 24, conveying screw rod pump; 25, conveying screw rod pump; 26, conveying screw rod pump.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this description (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
A kind of metabolic water coal slurry complete device for producing as shown in Figure 1, it is characterized in that, comprise be equipped with successively steel coal hopper 1, computation weigh belt feeder 2, water-coal-slurry pulping with high density ball mill 3, vibratory sieve 4, surge tank 6, pulp filter 7, long-pending stock tank 8, stabilizing machine 9, high shear intensified pump 11, all pulp grinder 10, slurry can 12, described steel coal hopper 1 is arranged on the top of computation weigh belt feeder 2, the discharging opening of steel coal hopper 1 weighs belt feeder 2 with metering and is connected, measuring belt conveyer 2 is connected by the charging aperture of screw(-type) feeder with water-coal-slurry pulping with high density ball mill 3, the discharging opening of water-coal-slurry pulping with high density ball mill 3 is connected with vibratory sieve 4, vibratory sieve 4 is connected with surge tank 6, surge tank 6 is connected with pulp filter 7, pulp filter 7 is connected with long-pending stock tank 8, long-pending stock tank 8 is connected with stabilizing machine 9, the discharging opening of stabilizing machine 9 is connected with high shear intensified pump 11 charging aperture by conveying screw rod pump 25, high shear intensified pump 11 discharging opening is connected with equal pulp grinder 10 charging aperture, equal pulp grinder 10 discharging opening is connected with slurry can 12, the charging aperture place of described water-coal-slurry pulping with high density ball mill 3, is also connected with dispersant thinning tank 14 and water pipe 16, on described surge tank 6, be also connected with stabilizing agent thinning tank 15, described surge tank 6 is also connected with defective slurry bucket 5, and the discharging opening of described defective slurry bucket 5 is connected to the charging aperture of water-coal-slurry pulping with high density ball mill 3 by pipeline, this complete device for producing is also connected with electric control cabinet 13.
The other end of described steel coal hopper 1 is connected with high capacity crusher 18, and described high capacity crusher 18 is arranged on the top of steel coal hopper 1.
Be connected with dress slurry station 17 after described slurry can 12, described dress slurry station 17 is connected with automobile hold-up tank by meter screw stem pump.
Between described surge tank 6 and pulp filter 7, long-pending between stock tank 8 and stabilizing machine 9, all, between pulp grinder 10 and slurry can 12, between surge tank 6 and defective slurry bucket 5, between defective slurry bucket 5 and water-coal-slurry pulping with high density machine 3, between dispersant thinning tank 14 and water-coal-slurry pulping with high density machine 3, between stabilizing agent thinning tank 15 and surge tank 6, be respectively equipped with conveying screw rod pump 23,24,26,21,22,19,20.
All agitator is provided with in described defective slurry bucket 5, surge tank 6, pulp filter 7, stabilizing machine 9, all pulp grinder 10, slurry can 12, dispersant thinning tank 14 and stabilizing agent thinning tank 15.
The filter screen of allowable stress is provided with in described pulp filter 7.
Operation principle: coal charge enters steel coal hopper 1 by becoming the slurrying coal after efficiency crushing after high capacity crusher 18 fragmentation, then computation weigh belt feeder 2 is discharged into, according to the signal that measuring belt conveyer 2 inlet amount obtains, dynamic feeds back to prepares burden for water-coal-slurry, the electric control cabinet 13 of tracing and monitoring, electric control cabinet 13 automatically configures amount of water and dosing dosage under pre-setting dynamic operating mode, then be sent to water-coal-slurry pulping with high density ball mill 3 by screw(-type) feeder to grind, thickness separating treatment is carried out by vibratory sieve 4 through grinding the water-coal-slurry obtained, cross thick particle and impurity is screened out, water-coal-slurry after process enters surge tank 6, stabilizing agent also adds in surge tank 6 from stabilizing agent thinning tank 15, water-coal-slurry stirs in surge tank 6, water-coal-slurry is not substantially precipitated after stirring, then by manual sampling, it is qualified to judge whether by analysis, if product is defective, then enter defective slurry bucket 5, then enter in water-coal-slurry pulping with high density ball mill 3, if qualified, product introduction next procedure and pulp filter 7, cascade filtration is passed through in pulp filter 7, again filter cleaner is carried out to water-coal-slurry, process the water-coal-slurry obtained and flow into long-pending stock tank 8, after long-pending stock tank 8, enter stabilizing machine 9, the stirring that stabilizing machine 9 pairs of water-coal-slurry carry out the long period carries out stability levelling to reach the object improving water coal slurry stability, and after through conveying screw rod pump 25 by water-coal-slurry by pipeline send into high shear intensified pump 11, by the high Strong shear means of high shear intensified pump 11, water-coal-slurry particle is produced align, water-coal-slurry particle after arrangement more easily slips over mutually, thus increase rheological characteristic and the stability of water-coal-slurry, especially following target is reached: a) make high viscosity metabolic water coal slurry be down to below 1200mpa.s, ensure spray burning effect, improve combustion safety and improve the spray tip life-span.B) improve the yield strength of water-coal-slurry, yield strength is higher, water coal slurry stability better, ensures that the slurry for subsequent use in circulating tank stablized number of days more than 60 days.Subsequently, water-coal-slurry through high shear treatment automatically flows into equal pulp grinder 10 and carries out homogeneous slaking, centre eliminates conveying screw rod pump, has now formed the qualified water-coal-slurry that rheological characteristic is good, good stability, viscosity are low, concentration is high, has then entered slurry can 12 and store.If desired transport, then enter dress slurry station 17 and carry out automobile shipment, described device entirety is controlled by electric control cabinet 13.
Present invention process flow process is succinct, water-coal-slurry pulping with high density ball mill is utilized to carry out grinding ensure that grinding effect from source, Appropriate application vibratory sieve again, pulp filter, stabilizing machine, equal pulp grinder, high shear intensified pump carries out cooperation and carries out multi-filtering and stable process, reach and make water-coal-slurry starch matter evenly stable, rheological property is excellent, viscosity is low, the feature that storage time is long, simultaneously, decrease the use number of conveying screw rod pump as much as possible, reduce energy consumption, the wherein use of especially high shear intensified pump, not only shearing and defeated slurry function are integrated, reduce defeated slurry process screw pump equipment, and water-coal-slurry makes the generation of water-coal-slurry particle align through high Strong shear, water-coal-slurry particle after arrangement more easily slips over mutually, thus considerably increase rheological characteristic and the stability of water-coal-slurry, also Cws Viscosity is greatly reduced, water-coal-slurry density is improved, finally realize efficiency of combustion to improve, stability improves, curing time extends, be more conducive to the object of preserving, especially reach and make high viscosity metabolic water coal slurry be down to below 1200mpa.s, ensure spray burning effect, improve whitewashing security and improve the spray tip life-span, improve the yield strength of water-coal-slurry, yield strength is higher, water coal slurry stability better, ensures that the excellent results of number of days more than 60 days stablized by the slurry for subsequent use in circulating tank.While obtaining the product of function admirable, due to the tight cooperation of above-mentioned each device, operation is simplified, reduce energy consumption and equipment investment, improve production efficiency, promote to the utilization of low-order coal and paved road, have good environmental protection and economic benefit.
The present invention is not limited to aforesaid detailed description of the invention.The present invention expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (4)
1. a metabolic water coal slurry complete device for producing, it is characterized in that, comprise be equipped with successively steel coal hopper (1), computation weigh belt feeder (2), water-coal-slurry pulping with high density ball mill (3), vibratory sieve (4), surge tank (6), pulp filter (7), long-pending stock tank (8), stabilizing machine (9), high shear intensified pump (11), all pulp grinder (10), slurry can (12), described steel coal hopper (1) is arranged on the top of computation weigh belt feeder (2), the discharging opening of steel coal hopper (1) weighs belt feeder (2) with metering and is connected, measuring belt conveyer (2) is connected by the charging aperture of screw(-type) feeder with water-coal-slurry pulping with high density ball mill (3), the discharging opening of water-coal-slurry pulping with high density ball mill (3) is connected with vibratory sieve (4), vibratory sieve (4) is connected with surge tank (6), surge tank (6) is connected with pulp filter (7), pulp filter (7) is connected with long-pending stock tank (8), long-pending stock tank (8) is connected with stabilizing machine (9), the discharging opening of stabilizing machine (9) is connected with high shear intensified pump (11) charging aperture by conveying screw rod pump (25), high shear intensified pump (11) discharging opening is connected with equal pulp grinder (10) charging aperture, equal pulp grinder (10) discharging opening is connected with slurry can (12), the charging aperture place of described water-coal-slurry pulping with high density ball mill (3), is also connected with dispersant thinning tank (14) and water pipe (16), on described surge tank (6), be also connected with stabilizing agent thinning tank (15), described surge tank (6) is also connected with defective slurry bucket (5), the discharging opening of described defective slurry bucket (5) is connected to the charging aperture of water-coal-slurry pulping with high density ball mill (3) by pipeline, this complete device for producing is also connected with electric control cabinet (13).
2. metabolic water coal slurry complete device for producing according to claim 1, is characterized in that, the other end of described steel coal hopper (1) is connected with high capacity crusher (18), and described high capacity crusher (18) is arranged on the top of steel coal hopper (1).
3. metabolic water coal slurry complete device for producing according to claim 1, is characterized in that, is connected with dress slurry station (17) after described slurry can (12), and described dress slurry station (17) is connected with automobile hold-up tank by meter screw stem pump.
4. metabolic water coal slurry complete device for producing according to claim 1, it is characterized in that, between described surge tank (6) and pulp filter (7), long-pending between stock tank (8) and stabilizing machine (9), all, between pulp grinder (10) and slurry can (12), between surge tank (6) and defective slurry bucket (5), between defective slurry bucket (5) and water-coal-slurry pulping with high density machine (3), between dispersant thinning tank (14) and water-coal-slurry pulping with high density machine (3), between stabilizing agent thinning tank (15) and surge tank (6), be equipped with transfusion pole pump.
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Cited By (7)
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| CN107597009A (en) * | 2017-11-03 | 2018-01-19 | 济源市王屋山实业有限公司 | A kind of mica powder stirring pulping equipment |
| CN107699304A (en) * | 2017-10-17 | 2018-02-16 | 江苏秋林特能装备股份有限公司 | Domestic sludge is mixed with fuel coal water slurry complete set of equipments with raw coal |
| CN108579980A (en) * | 2017-12-28 | 2018-09-28 | 南京新奥环保技术有限公司 | Colloidality sludge crushing system |
| CN108822907A (en) * | 2018-06-25 | 2018-11-16 | 合肥金同维低温科技有限公司 | A method of textile printing and dyeing wastewater is handled using slurries production technology |
| CN111269737A (en) * | 2020-02-25 | 2020-06-12 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Production method of micronized ultra-clean coal fuel liquid |
| CN111575070A (en) * | 2020-06-11 | 2020-08-25 | 江苏秋林特能装备股份有限公司 | Pulping and concentrating process and equipment for preparing coal water slurry from high-moisture coal |
| CN114392680A (en) * | 2021-12-17 | 2022-04-26 | 中煤科工集团武汉设计研究院有限公司 | Pipeline-conveyed petroleum coke residue pulping system and method |
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| CN107699304A (en) * | 2017-10-17 | 2018-02-16 | 江苏秋林特能装备股份有限公司 | Domestic sludge is mixed with fuel coal water slurry complete set of equipments with raw coal |
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| CN108822907A (en) * | 2018-06-25 | 2018-11-16 | 合肥金同维低温科技有限公司 | A method of textile printing and dyeing wastewater is handled using slurries production technology |
| CN111269737A (en) * | 2020-02-25 | 2020-06-12 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Production method of micronized ultra-clean coal fuel liquid |
| CN111269737B (en) * | 2020-02-25 | 2022-03-01 | 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 | Production method of micronized ultra-clean coal fuel liquid |
| CN111575070A (en) * | 2020-06-11 | 2020-08-25 | 江苏秋林特能装备股份有限公司 | Pulping and concentrating process and equipment for preparing coal water slurry from high-moisture coal |
| CN114392680A (en) * | 2021-12-17 | 2022-04-26 | 中煤科工集团武汉设计研究院有限公司 | Pipeline-conveyed petroleum coke residue pulping system and method |
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Application publication date: 20150624 |
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