CN103184085B - Gasified coal-water-slurry preparation process and corresponding production line - Google Patents
Gasified coal-water-slurry preparation process and corresponding production line Download PDFInfo
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Abstract
The invention relates to a novel rotation-vibration sieve. When coal-water-slurry is processed by using an existing rotation-vibration sieve, the coal-water-slurry containing a large amount of coal particles directly scours a sieve mesh, and the sieve mesh should be replaced every 2-3 days, such that the machine is frequently shut down, and long-period stable operation is affected. Also, an upper sieve cylinder and a lower sieve cylinder are fastened by using bundle buckles. When the rotation-vibration sieve works, constant vibration is carried out, and buckle disengagement accident frequently happens. Therefore, the rotation-vibration sieve provided by the invention comprises a cylindrical pedestal and a sieve cylinder. A vibration generation device and a driving motor are arranged in the cylindrical pedestal. A crude material outlet and a fine material outlet are arranged outside a sieve cylinder. A sieve mesh and a fine material plate are arranged in the sieve cylinder. A sieve cover is arranged on the sieve cylinder. A feeding port is provided on the sieve cover. A buffering mixer is arranged in the sieve cylinder and is positioned above the sieve mesh. The buffering mixer faces a matching feeding pipe. The novel rotation-vibration sieve provided by the invention has the advantages of simple structure, convenient assembly and disassembly, long sieve mesh life, and long working period. The novel rotation-vibration sieve provided by the invention is suitable to be used for sieving various slurries and especially coal-water-slurry.
Description
Technical field
The present invention relates to a kind of gasified coal water slurry preparation technology and corresponding production line.
Background technology
Water coal slurry pressurized gasification technology is that the world today is the most ripe, one of the most general clean coal technology of application, and coal water slurry gasification coal slurry used is from coal slurry preparation system, and coal, water, additive add coal pulverizer by a certain percentage, produce the coal water slurry of concentration about 60%.The concentration of coal water slurry is higher, and factor of created gase is higher, the utilization ratio of coal is higher, otherwise can reduce.
Publication number is that the Chinese invention patent of CN101173765B discloses a kind of method utilizing low-rank coal to prepare high-concentration coal-water slurry, the method is by part rough coal slurry thin up, then grind to form duff slurry with atomizer mill, then return coal pulverizer import, improve tap density and the concentration of coal water slurry.
Because current gasified coal water slurry grain diameter is large, it is poor that its size-grade distribution determines stability of coal slurry, in thin up process, destroy original balance, causing the stability of coal slurry by diluting poorer, very easily precipitating blocking pipeline, equipment, cannot long-period stable operation; And atomizer mill mill efficiency reduces greatly, therefore need to be optimized improvement.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defect how overcoming prior art, provides one both effectively can improve coal-water fluid concentration, can ensure again the gasified coal water slurry preparation technology of long-period stable operation and corresponding production line.
For solving the problems of the technologies described above, the new preparation process of gasified coal water slurry of the present invention comprises following operation:
1). utilize coal pulverizer that coal, water and additive are processed into coal water slurry, Qi Zhongmei, water and weight of additive ratio of mixture are 55 ~ 65: 28 ~ 32: 1;
2). by operation 1) gained coal water slurry is divided into two-way, a road coal water slurry directly removes vapourizing furnace, and this road coal water slurry accounts for 80 ~ 95% of coal pulverizer discharging; After another road coal water slurry is mixed into water and additive, sends into one and slightly starch spin vibration sieve;
After thick slurry spin vibration sieve screens out macrobead, remaining coal water slurry sends into atomizer mill, and after atomizer mill grinding, coal water slurry is mixed into wash-down water again at atomizer mill slurry outlet groove place, finally forms the duff slurry that concentration is 37 ~ 47%;
In this step, coal water slurry, water and weight of additive ratio of mixture are 4.4 ~ 20: 2.2 ~ 19.34: 0.1, wherein the water summation of water that comprises atomizer mill slurry outlet groove place's wash-down water and be mixed into before entering thick slurry spin vibration sieve;
3). by operation 2) gained concentration be 37 ~ 47% duff slurry, all or part of feeding coal pulverizer inlet.
The new preparation process of gasified coal water slurry of the present invention, on the one hand when thin up, adds additive simultaneously, is convenient to be formed comparatively stable coal water slurry; Macrobead is screened out on the other hand before and after atomizer mill.Two measures make line clogging frequency greatly reduce, and realize long-period stable operation.Use processing unit of the present invention, leave standstill 2 weeks continuously, not sedimentation, production line continuous seepage is without blocking.
As optimization, in operation 3) in gained concentration be 37 ~ 47% duff slurry, be divided into two portions, a part sends into coal-grinding entrance, and another part is directly or indirectly back to atomizer mill entrance.
Atomizer mill self inlet amount can not significantly reduce, otherwise easily damages atomizer mill.In working process, when coal pulverizer reduces discharging for some reason, atomizer mill load is constant, and the duff slurry ratio in the coal water slurry of vapourizing furnace of going raises, and viscosity in aqueous coal slurries can be caused to exceed standard.Increase after reflux pipeline, when coal pulverizer discharging reduces, open the amount of large recirculation water coal slurry, the amount of coal pulverizer coal water slurry is gone in minimizing, and the viscosity caused because of screened stock too high levels exceeds standard phenomenon can to prevent gasified coal water slurry from occurring.
The energy-saving production line of coal water slurry new preparation process of the present invention comprises coal bin, coal pulverizer and atomizer mill, wherein coal bin feed opening is provided with a scale feeder, coal after metering enters drum type material feeder, after proportionally mixing with additive and water, enter coal pulverizer grinding, the coal water slurry ground is by coal pulverizer blow tank, low pressure coal slurry pump directly removes vapourizing furnace, it is characterized in that: coal pulverizer blow tank is also connected to a loop pump, this loop pump outlet passes into one and slightly starches in spin vibration sieve, this is slightly starched in spin vibration sieve and is also provided with water inlet pipe and additive feed pipe, this screen overflow slightly starching spin vibration sieve returns coal pulverizer, coal water slurry under sieve enters a thick stock tank, then delivered to described atomizer mill by a coarse slurry pump, coal water slurry is after atomizer mill grinding, at atomizer mill slurry outlet groove, place is mixed into appropriate wash-down water again, finally form the duff slurry that concentration is 37 ~ 47%, enter screened stock groove, this screened stock trench bottom is connected to a screened stock pump, finally by screened stock pump, duff is starched the entrance of sending coal pulverizer back to.
As optimization, be provided with a buffering mixing tank in described thick slurry spin vibration sieve, this buffering mixing tank is arranged on above the screen cloth of thick slurry spin vibration sieve, just to the feed-pipe entrance (comprising water inlet pipe, coal water slurry feed-pipe and additive feed pipe) of adapted.Design like this, installation buffering mixing tank before, the coal water slurry containing a large amount of coal particle constantly impacts the screen cloth of spin vibration sieve, every couple of days screen cloth will repair and replacement once, cause frequent parking, be unfavorable for long-period stable operation; After installing buffering mixing tank, screen cloth non-stop run three months nothings are damaged.
As optimization, described buffering mixing tank is in the form of annular discs, and its periphery is provided with overflow weir.Design like this, fully mixes in coal water slurry, water and the additive shallow liquid in buffering mixing tank overflow weir, and then enters and slightly starch spin vibration sieve, while playing shock absorption, also serves mixing, uniform effect.
As optimization, be also provided with a screened stock spin vibration sieve between described screened stock groove and atomizer mill slurry outlet groove, the screen overflow of this screened stock spin vibration sieve returns coal pulverizer, and screen underflow enters described screened stock groove.Design like this, eliminate the macrobead in duff slurry, duff is starched the pipeline flowed through and is not easily blocked, and ensure that screened stock quality, extends the cycle of operation of screened stock pump.For the screen cloth of protection screened stock spin vibration sieve, in screened stock spin vibration sieve, be also provided with buffering mixing tank.
As optimization, described screened stock pump outlet pipeline is divided into two-way, and a road connects coal pulverizer inlet; Another road returns thick stock tank.Design like this, adds reflux pipeline, is convenient to ensure duff machine safety, regulates the viscosity of gasified coal water slurry.
As optimization, described atomizer mill slurry outlet groove is provided with overflow sieve, and the upper elongated groove opening that gathers of this overflow sieve, overflow sieve outside is also provided with spray irrigation device.Width≤the 0.8mm of elongated groove opening, length is not limit, but elongated groove opening should vertically be arranged.Before transformation, screen cloth blocks often, causes wear-resisting pearl and coal slurry to overflow from atomizer mill top step-down gear main shaft shaft seal, causes roof fall or main shaft locking accident.
The present invention makes sieve aperture into elongated groove opening, expands perforated area, installs rinse water arrangement additional, improves the handling capacity of coal water slurry, avoids roof fall or main shaft locking phenomenon.
As optimization, described screened stock pump, the feed-pipe of coarse slurry pump, discharge nozzle all adopt connection by metal hose, and metallic hose and two ends pipe-line equipment all adopt and connect bayonet socket soon and be connected.Design like this, except position before and after under meter, valve, whole employing connects flexible pipe soon, is convenient to dredging and changes, can realize long-term continuous seepage.
As optimization, be mixed into the water yield in the rate of discharge of loop pump and buffering mixing tank, the throughput ratio of atomizer mill slurry outlet groove place wash-down water is 5 ~ 15: 2 ~ 6: 1.Facts have proved, so design, comparatively fruit is better.
Gasified coal water slurry preparation technology of the present invention and corresponding production line solve in duff slurry process of lapping, and the problems such as duff slurry is of poor quality, pipeline easily blocks, grind condition shakiness, load is low, guarantee device long-period stable operation.Application the present invention is under facility investment increases little, the impregnable situation of continuous seepage, the concentration of gasified coal water slurry is improve three percentage points, and coal slurry size-grade distribution is more rational, makes coal pulverizer load improve 50%, vapourizing furnace load increases 3-5%, simultaneously energy-conservation, consumption reduction successful.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, gasified coal water slurry preparation technology of the present invention and corresponding production line are described further:
Fig. 1 is the process flow sheet of this gasified coal water slurry preparation technology;
Fig. 2 is the process diagram of this gasified coal water slurry preparation technology.
In figure: 1 is coal bin, 2 is coal pulverizer, 3 is atomizer mill, 4 is scale feeder, 5 is drum type material feeder, 6 is coal pulverizer blow tank, 7 is low pressure coal slurry pump, 8 is vapourizing furnace, 9 is loop pump, 10 for slightly to starch spin vibration sieve, 11 is water inlet pipe, 12 is additive feed pipe, 13 is thick stock tank, 14 is coarse slurry pump, 15 is atomizer mill slurry outlet groove, 16 is screened stock groove, 17 is screened stock pump, 18 is buffering mixing tank, 19 is overflow sieve, 20 is wash tub pipe, 21 is upflow tube, 22 is screened stock spin vibration sieve.
Specific embodiment
Embodiment one: as shown in Figure 1, the special production line of the new preparation process of gasified coal water slurry of the present invention comprises coal bin 1, coal pulverizer 2 and atomizer mill 3, wherein coal bin 1 feed opening is provided with a scale feeder 4, coal after metering enters drum type material feeder 5, after proportionally mixing with additive and water, enter coal pulverizer 2 to grind, the coal water slurry ground is by coal pulverizer blow tank 6, low pressure coal slurry pump 7 directly removes vapourizing furnace 8, it is characterized in that: coal pulverizer blow tank 6 is also connected to a loop pump 9, the outlet of this loop pump 9 passes into one and slightly starches in spin vibration sieve 10, this is slightly starched in spin vibration sieve 10 and is also provided with water inlet pipe 11 and additive feed pipe 12, this screen overflow slightly starching spin vibration sieve 10 returns coal pulverizer 2, coal water slurry under sieve enters a thick stock tank 13, then delivered to described atomizer mill 3 by a coarse slurry pump 14, coal water slurry is after atomizer mill 3 grinds, again wash-down water is mixed at slurry outlet groove 15 place of atomizer mill 3, finally form the duff slurry that concentration is 37 ~ 47%, enter screened stock groove 16, a screened stock pump 17 is connected to bottom this screened stock groove 16, the outlet line of described screened stock pump 17 is divided into two-way, coal pulverizer 2 entrance is connected on one tunnel, another road returns thick stock tank 13.
A buffering mixing tank 18 is provided with in described thick slurry spin vibration sieve 10, this buffering mixing tank 18 is arranged on above the screen cloth of thick slurry spin vibration sieve 10, just to the feed-pipe entrance of adapted (i.e. loop pump 9 send here coal slurry entrance, water inlet pipe 11 and additive feed pipe 12), buffering mixing tank 18 is in the form of annular discs, and its periphery is provided with overflow weir.
Described atomizer mill slurry outlet groove 15 is provided with overflow sieve 19, and this overflow sieve 19 gathers elongated groove opening, and the width≤0.8mm of this elongated groove opening is also provided with spray irrigation device (wash tub pipe 20) outside overflow sieve 19.
The sidewall of atomizer mill 3 is also provided with a upflow tube 21, the height of this upflow tube 21 is between atomizer mill 3 overhead height and slurry outlet groove 15 height.
Also be provided with a screened stock spin vibration sieve 22 between described screened stock groove 16 and the slurry outlet groove 15 of atomizer mill 3, the screen overflow of this screened stock spin vibration sieve 22 returns coal pulverizer 2, and screen underflow enters described screened stock groove 16.Be mixed into the water yield in the rate of discharge of loop pump 9 and buffering mixing tank 18, the throughput ratio of atomizer mill slurry outlet groove 15 place wash-down water is 5 ~ 15: 2 ~ 6: 1, preferably 10: 4: 1.Also buffering mixing tank 18 is provided with in screened stock spin vibration sieve 22.
The feed-pipe of described screened stock pump 17, coarse slurry pump 14, discharge nozzle adopt connection by metal hose, and metallic hose and two ends pipe-line equipment all adopt and connect bayonet socket mode of connection soon.Figure slightly.
As shown in Figure 2: embodiment two: this gasified coal water slurry preparation technology comprises following operation:
1). utilize coal pulverizer 2 that coal, water and additive are processed into coal water slurry, Qi Zhongmei, water and weight of additive ratio of mixture are 65: 28: 1;
2). by operation 1) gained coal water slurry is divided into two-way, a road coal water slurry directly removes vapourizing furnace 8, and this road coal water slurry accounts for 80% of coal pulverizer 2 discharging; After another road coal water slurry is mixed into water and additive, sends into one and slightly starch spin vibration sieve 10;
After thick slurry spin vibration sieve 10 screens out macrobead, remaining coal water slurry sends into atomizer mill 3, and after atomizer mill 3 grinds, coal water slurry is mixed into wash-down water again at atomizer mill slurry outlet groove 15 place, finally forms the duff slurry that concentration is 37%;
In this step, coal water slurry, water and weight of additive ratio of mixture are 18.8: 19.34: 0.1;
3). by operation 2) gained concentration be 37% duff slurry, all can send into coal pulverizer 2 entrance, also partly can send into coal pulverizer 2 entrance, part return stream around atomizer mill 3.
Embodiment three: this gasified coal water slurry preparation technology comprises following operation:
1). utilize coal pulverizer 2 that coal, water and additive are processed into coal water slurry, Qi Zhongmei, water and weight of additive ratio of mixture are 60: 30: 1
2). by operation 1) gained coal water slurry is divided into two-way, a road coal water slurry directly removes vapourizing furnace 8, and this road coal water slurry accounts for 90% of coal pulverizer 2 discharging; After another road coal water slurry is mixed into water and additive, sends into one and slightly starch spin vibration sieve 10;
After thick slurry spin vibration sieve 10 screens out macrobead, remaining coal water slurry sends into atomizer mill 3, and after atomizer mill 3 grinds, coal water slurry is mixed into wash-down water again at atomizer mill slurry outlet groove 15 place, and finally forming concentration is 47% duff slurry;
In this step, coal water slurry, water and weight of additive ratio of mixture are 20: 8: 0.1;
3). by operation 2) gained concentration be 47% duff slurry, all can send into coal pulverizer 2 entrance, also partly can send into coal pulverizer 2 entrance, part return stream around atomizer mill 3.
Embodiment four: this gasified coal water slurry preparation technology comprises following operation:
1). utilize coal pulverizer 2 that coal, water and additive are processed into coal water slurry, Qi Zhongmei, water and weight of additive ratio of mixture are 55: 28: 1;
2). by operation 1) gained coal water slurry is divided into two-way, a road coal water slurry directly removes vapourizing furnace 8, and this road coal water slurry accounts for 95% of coal pulverizer 2 discharging; After another road coal water slurry is mixed into water and additive, sends into one and slightly starch spin vibration sieve 10;
After thick slurry spin vibration sieve 10 screens out macrobead, remaining coal water slurry sends into atomizer mill 3, and after atomizer mill 3 grinds, coal water slurry is mixed into wash-down water again at atomizer mill slurry outlet groove 15 place, and finally forming concentration is 41% duff slurry;
In this step, coal water slurry, water and weight of additive ratio of mixture are 4.4: 2.2: 0.1;
3). by operation 2) gained concentration be 41% duff slurry, all can send into coal pulverizer 2 entrance, also partly can send into coal pulverizer 2 entrance, part return stream around atomizer mill 3.
Claims (8)
1. a gasified coal water slurry preparation technology, comprises following operation:
1). utilize coal pulverizer that coal, water and additive are processed into coal water slurry, Qi Zhongmei, water and weight of additive ratio of mixture are 55 ~ 65:28 ~ 32:1;
2). by operation 1) gained coal water slurry is divided into two-way, a road coal water slurry directly removes vapourizing furnace, and this road coal water slurry accounts for 80 ~ 95% of coal pulverizer discharging; Another road coal water slurry is mixed into water and additive, and sends into one and slightly starch spin vibration sieve;
After thick slurry spin vibration sieve screens out macrobead, remaining coal water slurry sends into atomizer mill, and after atomizer mill grinding, coal water slurry is mixed into wash-down water again at atomizer mill slurry outlet groove place, finally forms the duff slurry that concentration is 37 ~ 47%;
In this step, coal water slurry, water and weight of additive ratio of mixture are 4.4 ~ 20:2.2 ~ 19.34:0.1, a buffering mixing tank is provided with in described thick slurry spin vibration sieve, this buffering mixing tank is arranged on above the screen cloth of thick slurry spin vibration sieve, just to the feed-pipe entrance of adapted, described buffering mixing tank is in the form of annular discs, and its periphery is provided with overflow weir;
3). by operation 2) gained concentration be 37 ~ 47% duff slurry, all or part of feeding coal pulverizer inlet.
2. gasified coal water slurry preparation technology according to claim 1, it is characterized in that: by operation 3) in gained concentration be 37 ~ 47% duff slurry be divided into two portions, a part sends into coal pulverizer inlet, and another part is directly or indirectly back to atomizer mill entrance.
3. the special production line of gasified coal water slurry preparation technology described in a claim 1, comprise coal bin, coal pulverizer and atomizer mill, wherein coal bin feed opening is provided with a scale feeder, coal after metering enters drum type material feeder, after proportionally mixing with additive and water, enter coal pulverizer grinding, the coal water slurry ground is by coal pulverizer blow tank, low pressure coal slurry pump directly removes vapourizing furnace, it is characterized in that: coal pulverizer blow tank is also connected to a loop pump, this loop pump outlet passes into one and slightly starches in spin vibration sieve, this is slightly starched in spin vibration sieve and is also provided with water inlet pipe and additive feed pipe, this screen overflow slightly starching spin vibration sieve returns coal pulverizer, coal water slurry under sieve enters a thick stock tank, then delivered to described atomizer mill by a coarse slurry pump, coal water slurry is after atomizer mill grinding, at atomizer mill slurry outlet groove, place is mixed into wash-down water again, finally form the duff slurry that concentration is 37 ~ 47%, enter screened stock groove, this screened stock trench bottom is connected to a screened stock pump, finally send duff slurry back to coal pulverizer inlet by screened stock pump, a buffering mixing tank is provided with in described thick slurry spin vibration sieve, this buffering mixing tank is arranged on above the screen cloth of thick slurry spin vibration sieve, just to the feed-pipe entrance of adapted, described buffering mixing tank is in the form of annular discs, its periphery is provided with overflow weir.
4. special production line according to claim 3, is characterized in that: be also provided with a screened stock spin vibration sieve between described screened stock groove and atomizer mill slurry outlet groove, the screen overflow of this screened stock spin vibration sieve returns coal pulverizer, and screen underflow enters described screened stock groove.
5. the special production line according to claim 3 or 4, is characterized in that: described screened stock pump outlet pipeline is divided into two-way, and a road connects coal pulverizer inlet; Another road returns thick stock tank.
6. special production line according to claim 5, is characterized in that: described atomizer mill slurry outlet groove place is provided with overflow sieve, the upper elongated groove opening that gathers of this overflow sieve, and the width≤0.8mm of this elongated groove opening, overflow sieve outside is also provided with spray irrigation device.
7. special production line according to claim 6, is characterized in that: the feed-pipe of described screened stock pump, coarse slurry pump, discharge nozzle adopt connection by metal hose, and metallic hose and two ends all adopt and connect bayonet socket mode of connection soon.
8. special production line according to claim 7, is characterized in that: be mixed into the water yield in the rate of discharge of loop pump and buffering mixing tank, the throughput ratio of atomizer mill slurry outlet groove place wash-down water is 5 ~ 15:2 ~ 6:1.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104987903B (en) * | 2015-07-13 | 2016-08-24 | 中煤科工清洁能源股份有限公司 | A kind of method preparing gasified coal water slurry |
| CN107987904A (en) * | 2017-12-11 | 2018-05-04 | 南京大学 | A kind of method that partial reflux and dosing twice prepare high concentration gasification water-coal-slurry |
| CN109536223A (en) * | 2018-11-07 | 2019-03-29 | 南京楠达环保科技有限公司 | A kind of preparation method and production equipment of high concentration gasified coal water slurry |
| CN113770158B (en) * | 2021-09-10 | 2022-12-06 | 中煤科工清洁能源股份有限公司 | Resource utilization method for coal gasification fine ash |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955824A (en) * | 2010-09-06 | 2011-01-26 | 江苏秋林重工股份有限公司 | Complete two-stage slurry production equipment of water-coal-slurry and gasified water-coal-slurry by using low-rank coal fuel |
| CN201762299U (en) * | 2010-09-06 | 2011-03-16 | 江苏秋林重工股份有限公司 | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101955824A (en) * | 2010-09-06 | 2011-01-26 | 江苏秋林重工股份有限公司 | Complete two-stage slurry production equipment of water-coal-slurry and gasified water-coal-slurry by using low-rank coal fuel |
| CN201762299U (en) * | 2010-09-06 | 2011-03-16 | 江苏秋林重工股份有限公司 | Complete set of equipment for producing coal water slurry fuel and gasification coal water slurry by low rank coal |
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Effective date of registration: 20171017 Address after: Zaozhuang City, Shandong province 277527 Mu Shi Zhen Tengzhou City high-tech Lunan Chemical Industrial Park Patentee after: Yankuang Lunan Chemical Co., Ltd. Address before: 277527 Shandong city of Zaozhuang province Tengzhou City Stone Town Yankuang Lunan Chemical Fertilizer Plant Patentee before: Yankuang Lunan Chemical Fertiliser Plant |