CN107937084B - The coal desulfurization system and technique of desulfurization are carried out to coal using microorganism - Google Patents
The coal desulfurization system and technique of desulfurization are carried out to coal using microorganism Download PDFInfo
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- CN107937084B CN107937084B CN201711146560.8A CN201711146560A CN107937084B CN 107937084 B CN107937084 B CN 107937084B CN 201711146560 A CN201711146560 A CN 201711146560A CN 107937084 B CN107937084 B CN 107937084B
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- reaction tube
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- agitating shaft
- microorganism
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
Abstract
The present invention relates to Desulphurization Technology for Coal fields, are related to a kind of coal desulfurization system and technique for carrying out desulfurization to coal using microorganism.The system includes micro-biological reaction device, and micro-biological reaction device includes device noumenon, and device noumenon includes reaction tube, and reaction chamber is equipped in reaction tube, and reaction tube upper end side-walls are equipped with feed inlet, are equipped with discharge port at reaction tube bottom side of the wall；A reaction tube cover board is equipped at reaction tube upper end opening, reduction gear box is equipped with above reaction tube cover board, the input shaft of reduction gear box is driven by a servo motor, and the output shaft of reduction gear box couples with an agitating shaft, and agitating shaft protrudes into reaction chamber after passing through reaction tube cover board；Agitating shaft lower end surface is recessed forms centrifugal chamber axially inward, and multiple connection centrifugal chambers are equipped at agitating shaft crosses fluid through-hole；Along partition is axially arranged in centrifugal chamber, it is additionally provided with aerator in reaction chamber, which is achieved using the system, and the present invention there can be preferable microbiological treatment efficiency.
Description
Technical field
The present invention relates to Desulphurization Technology for Coal fields, specifically, be related to it is a kind of using microorganism to coal carry out desulfurization
Coal desulfurization system and technique.
Background technique
Coal is that one of most important energy and China account for 70% or more in production of energy, the structure of consumer demand in the world
Main energy sources.It is increasingly tight to the monitoring of atmosphere quality with the foundation of Air Pollution Prevention Law rule, rule and standard system
Lattice, the environmental consciousness of people also increasingly enhance.National Environmental Protection Agency in 1998 can delimit acid rain and SO2 pollution with relevant department
The controlling planning of the key industrys such as coal in dicontrolled area, electric power SO2 pollution has been formulated in control zone；As a result, mining listed corporations and
Coal processing and utilization industry all reduces the sulfur content of coal by fair means or foul, with pollution abatement.Take sustainable development road in China
Line develops efficient, inexpensive Desulphurization Technology for Coal, will be with far-reaching economic significance and environment protection significance.
Existing Technology for Microbial Desulfurization can remove organic sulfur in coal but also remove inorganic sulfur, and reaction condition is mild,
Equipment is simple, at low cost.Using microorganism to coal desulfurization, mainly sulfide is divided using the oxidation of microorganism
It solves and is discharged.In the prior art, although have been relatively mature using the technique that microorganism carries out desulfurization process to coal, because
Lack preferable special equipment in the prior art, and causes existing coal desulfurization technique cost of implementation larger and complicated for operation.
Summary of the invention
The present invention provides a kind of coal desulfurization systems for carrying out desulfurization to coal using microorganism, can overcome existing
Certain or certain defects of technology.
The coal desulfurization system according to the present invention for carrying out desulfurization to coal using microorganism comprising acid dip pickle mixes
Attach together set, micro-biological reaction device and separator, acid dip pickle is used to carry out raw coal pickling, and mixing arrangement is used for pickling
Raw coal and water afterwards is mixed to form raw coal slurry, and micro-biological reaction device, which is used to starch raw coal, carries out microbiological treatment, separation
Device is used to isolate the coal after microbiological treatment in raw coal slurry；
Acid dip pickle uses pickling spray column, and mixing arrangement uses stirred tank, and separator uses solid-liquid separator；Micro- life
Object reaction unit includes device noumenon, and device noumenon includes reaction tube, and the reaction chamber of opening upwards is equipped in reaction tube；Reaction tube
Upper end side-walls are equipped with the feed inlet of connection reaction chamber, and the discharge port of connection reaction chamber is equipped at reaction tube bottom side of the wall；Reaction
It is equipped with a reaction tube cover board at cylinder upper end opening, is equipped with reduction gear box, the input shaft of reduction gear box above reaction tube cover board
It is driven by a servo motor, the output shaft of reduction gear box couples with an agitating shaft, and agitating shaft protrudes into after passing through reaction tube cover board
In reaction chamber；Agitating shaft lower end surface is recessed forms centrifugal chamber axially inward, and the mistake of multiple connection centrifugal chambers is equipped at agitating shaft
Fluid through-hole；Along partition is axially arranged in centrifugal chamber, aerator is additionally provided in reaction chamber.
In the present invention, raw coal slurry can enter reaction chamber from feed inlet, microbial inoculum can also be put into from feed inlet to
Driven by servo motor later in reaction chamber, agitating shaft can rotate, the coal slurry energy due to centrifugal action, in centrifugal chamber
It is enough thrown out of centrifugal chamber, to form negative pressure in centrifugal chamber, the coal slurry in reaction chamber can be from centrifugal chamber lower ending opening at this time
Into centrifugal chamber.By such construction, enable coal slurry in reaction chamber it is circumferential, be axially and radially respectively formed on preferable stream
It is dynamic, to be conducive to coming into full contact with for raw coal slurry and microorganism, and then the decomposition efficiency of microorganism can be greatly increased.And
And since the rotation of agitating shaft will not generate biggish shearing force, so as to preferably prevent microorganism excessive because of shearing force
And it is dead, to be conducive to the breeding of microorganism, existence, to improve the decomposition efficiency of microorganism from another point of view.
Preferably, partition includes mutually orthogonal block, described piece of partition is used to for centrifugal chamber to be divided into an independent chamber
Room.Consequently facilitating production, and since coal slurry can flow between this separate chamber and reaction chamber respectively, and then can be effectively
Increase the turbulent flow between coal slurry, this enables microorganism more fully to be contacted with coal slurry, and then can effectively be promoted micro-
The efficiency of biological treatment.
Preferably, forming venturi tube installation cavity between partition lower end and agitating shaft lower end, one is equipped in venturi tube installation cavity
Venturi tube.The setting of venturi tube enables the coal slurry at reaction chamber to be preferably inhaled into centrifugal chamber, so as to effectively increase
The mobility of coal slurry, and then can effectively promote the efficiency of microbiological treatment.
Preferably, aerator includes the interior fixed ring and outer fixed ring of coaxial arrangement, interior Fixing shrink ring is set to stirring
On the outside of axis and with agitating shaft clearance fit, outer fixed ring is used for and reacts cavity wall and be fixedly connected；Interior fixed ring and outer fixed ring
Between be uniformly distributed circumferentially multiple air distribution plates, the first cloth air cavity is equipped with inside outer fixed ring, is equipped with connection first in air distribution plate
Second cloth air cavity of cloth air cavity；The air inlet of the first cloth air cavity of connection is equipped at outer fixed ring, an admission line passes through reaction tube
It is connected to after side wall with air inlet.The setting of aerator enables the air or oxygen being passed through effectively to be connect with coal slurry
Touching, so as to operatively be that microorganism is supplied oxygen, and then is conducive to the breeding of microorganism.In addition, due to the gas being passed through
Body can also push the flowing of coal slurry, this kind of set-up mode of air distribution plate also can effectively increase the turbulent flow of coal slurry, Jin Erneng
The enough efficiency for effectively promoting microbiological treatment.
Preferably, air distribution plate is arranged along interior fixed ring tangential direction.And then the turbulent flow of coal slurry can be effectively facilitated, in turn
The efficiency of microbiological treatment can effectively be promoted.
Preferably, being equipped with multiple flow-stopping plates in irregular distribution at reaction tube inner wall.The setting of flow-stopping plate, Neng Gougeng
Further promote the turbulent flow of coal slurry, and then can effectively promote the efficiency of microbiological treatment.Wherein, flow-stopping plate can include
Three classes, first kind flow-stopping plate can be configured along the radial direction of reaction tube, and the second flow-stopping plate can be carried out along the axial direction of reaction tube
Setting, third class flow-stopping plate can be arranged along the barrel spiral of reaction tube.
The present invention also provides a kind of coal desulfurization techniques for carrying out desulfurization to coal using microorganism comprising following step
It is rapid:
Step 1 carries out pickling to raw coal using an acid dip pickle；
Raw coal after pickling is mixed into raw coal slurry with water using a mixing arrangement by step 2；
Step 3 starches raw coal using a micro-biological reaction device and carries out microbiological treatment；
Step 4 isolates the coal after microbiological treatment in raw coal slurry using a separator.
Coal desulfurization technique of the present invention is compared with traditional coal desulfurization technique, in step 3, the effect of microbiological treatment
Rate is able to ascend 30% or more.
Detailed description of the invention
Fig. 1 is the system flow for the coal desulfurization system that one of embodiment 1 carries out desulfurization using microorganism to coal
Schematic diagram；
Fig. 2 is the schematic diagram of the device noumenon in embodiment 1；
Fig. 3 is the schematic diagram of the agitating shaft in embodiment 1；
Fig. 4 is the schematic diagram of the aerator in embodiment 1；
Fig. 5 is the schematic cross-section of the aerator in embodiment 1.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be understood that
, embodiment be only to the present invention explain and and it is non-limiting.
Embodiment 1
As shown in Figure 1, a kind of coal desulfurization system for carrying out desulfurization to coal using microorganism is present embodiments provided,
Including acid dip pickle, mixing arrangement, micro-biological reaction device and separator, acid dip pickle is used to carry out pickling to raw coal, mixes
It attaches together and sets for being mixed the raw coal after pickling to form raw coal slurry with water, micro-biological reaction device is used to starch raw coal and carry out
Microbiological treatment, separator are used to isolate the coal after microbiological treatment in raw coal slurry.
In the present embodiment, acid dip pickle uses existing pickling spray column, and mixing arrangement uses stirred tank, and separator is adopted
With existing solid-liquid separator.
As shown in connection with fig. 2, micro-biological reaction device includes device noumenon 200, and device noumenon 200 includes reaction tube 210, instead
Answer the reaction chamber 211 that opening upwards are equipped in cylinder 210；210 upper end side-walls of reaction tube are equipped with the feed inlet of connection reaction chamber 211
212, the discharge port 213 of connection reaction chamber 211 is equipped at 210 bottom side of the wall of reaction tube；One is equipped at 210 upper end opening of reaction tube
Reaction tube cover board 220, reduction gear box 231 is equipped with above reaction tube cover board 220, and the input shaft of reduction gear box 231 is watched by one
The drive of motor 232 is taken, the output shaft of reduction gear box 231 couples with an agitating shaft 240, and agitating shaft 240 passes through reaction tube cover board
It is protruded into after 220 in reaction chamber 211；240 lower end surface of agitating shaft is recessed axially inward forms centrifugal chamber 241, sets at agitating shaft 240
Have multiple connection centrifugal chambers 241 crosses fluid through-hole 242；Along partition 243 is axially arranged in centrifugal chamber 241, also set in reaction chamber 211
There is aerator 250.
In the present embodiment, raw coal slurry can enter reaction chamber 211 from feed inlet 212, and microbial inoculum also can be from charging
In 212 investment to reaction chamber 211 of mouth, later under the drive of servo motor 232, agitating shaft 240 can be rotated, since centrifugation is made
With, the coal slurry in centrifugal chamber 241 can be thrown out of centrifugal chamber 241, to form negative pressure in centrifugal chamber 241, reaction chamber at this time
Coal slurry in 211 can enter centrifugal chamber 241 from 241 lower ending opening of centrifugal chamber.By such construction, so that in reaction chamber 211
Coal slurry can it is circumferential, be axially and radially respectively formed on preferable flowing, to be conducive to sufficiently connecing for raw coal slurry and microorganism
Touching, and then the decomposition efficiency of microorganism can be greatly increased.Also, due to the rotation of agitating shaft 240 will not generate it is biggish
Shearing force, it is excessive and dead because of shearing force so as to preferably prevent microorganism, to be conducive to the breeding of microorganism, life
It deposits, to improve the decomposition efficiency of microorganism from another point of view.
In the present embodiment, aerator 250 can be preferably passed through into reaction chamber 211 oxygen (air), so as to
Preferably it is convenient for the progress of degradation reaction.
In the present embodiment, microbial inoculum is configured using existing desulfurization microorganism.
As shown in connection with fig. 3, partition 243 includes mutually orthogonal 2 pieces, and 2 pieces of partitions 243 are used for centrifugal chamber 241 is equal
It is divided into 4 independent chambers.Consequently facilitating production, and since coal slurry can be respectively between 4 separate chambers and reaction chamber 211
Flowing, and then can effectively increase the turbulent flow between coal slurry, this enables microorganism more fully to be contacted with coal slurry, into
And it can effectively promote the efficiency of microbiological treatment.
In the present embodiment, venturi tube installation cavity 310, venturi tube installation are formed between 240 lower end of 243 lower end of partition and agitating shaft
A venturi tube 244 is equipped in chamber 310.The setting of venturi tube 244 enables the coal slurry at reaction chamber to be preferably inhaled into centrifugation
Chamber 241 so as to effectively increase the mobility of coal slurry, and then can effectively promote the efficiency of microbiological treatment.
In the present embodiment, aerator 250 includes the interior fixed ring 410 and outer fixed ring 420 of coaxial arrangement, interior fixed ring
410 be sheathed on the outside of agitating shaft 240 and with 240 clearance fit of agitating shaft, outer fixed ring 420 is used for solid with 211 inner wall of reaction chamber
Fixed connection；Multiple air distribution plates 430 are uniformly distributed circumferentially between interior fixed ring 410 and outer fixed ring 420, in outer fixed ring 420
Portion is equipped with the first cloth air cavity 510, and the second cloth air cavity 520 of the first cloth air cavity 510 of connection is equipped in air distribution plate 430；Outer fixed ring
At 420 be equipped with connection the first cloth air cavity 510 air inlet 511, an admission line 260 pass through 210 side wall of reaction tube after with air inlet
Hole 511 is connected to.The setting of aerator 250 enables the air or oxygen being passed through effectively to be contacted with coal slurry, thus
It can operatively be supplied oxygen for microorganism, and then be conducive to the breeding of microorganism.In addition, since the gas being passed through also can
The flowing of coal slurry is pushed, this kind of set-up mode of air distribution plate 430 also can effectively increase the turbulent flow of coal slurry, and then can be effective
The efficiency of ground promotion microbiological treatment.
In the present embodiment, air distribution plate 430 is arranged along interior 410 tangential direction of fixed ring.And then coal slurry can be effectively facilitated
Turbulent flow, and then can effectively promote the efficiency of microbiological treatment.
Multiple flow-stopping plates 270 in irregular distribution are equipped in the present embodiment, at 210 inner wall of reaction tube.Flow-stopping plate 270
Setting, can further promote the turbulent flow of coal slurry, and then can effectively promote the efficiency of microbiological treatment.Wherein, it keeps off
Flowing plate 270 can include three classes, and first kind flow-stopping plate 270 can be configured along the radial direction of reaction tube 210, the second flow-stopping plate
270 can be configured along the axial direction of reaction tube 210, and third class flow-stopping plate 270 can be set along the barrel spiral of reaction tube 210
It sets.
The coal desulfurization system for being carried out desulfurization to coal using microorganism of base in this present embodiment, the present embodiment are also provided
A kind of coal desulfurization technique carrying out desulfurization to coal using microorganism comprising following steps:
Step 1 carries out pickling to raw coal using an acid dip pickle；
Raw coal after pickling is mixed into raw coal slurry with water using a mixing arrangement by step 2；
Step 3 starches raw coal using a micro-biological reaction device and carries out microbiological treatment；
Step 4 isolates the coal after microbiological treatment in raw coal slurry using a separator.
The coal desulfurization technique of the present embodiment is compared with traditional coal desulfurization technique, in step 3, microbiological treatment
Efficiency be able to ascend 30% or more.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (4)
1. the coal desulfurization system of desulfurization is carried out to coal using microorganism, it is characterised in that: including acid dip pickle, mixing dress
It sets, micro-biological reaction device and separator, acid dip pickle is used to carry out raw coal pickling, and mixing arrangement is for will be after pickling
Raw coal and water are mixed to form raw coal slurry, and micro-biological reaction device, which is used to starch raw coal, carries out microbiological treatment, separator
For isolating the coal after microbiological treatment in raw coal slurry；
Acid dip pickle uses pickling spray column, and mixing arrangement uses stirred tank, and separator uses solid-liquid separator；Microorganism is anti-
Answering device includes device noumenon (200), and device noumenon (200) includes reaction tube (210), be equipped in reaction tube (210) opening to
On reaction chamber (211)；Reaction tube (210) upper end side-walls are equipped with the feed inlet (212) of connection reaction chamber (211), reaction tube
(210) discharge port (213) of connection reaction chamber (211) is equipped at bottom side of the wall；It is anti-that one is equipped at reaction tube (210) upper end opening
It answers cover plate (220), is equipped with reduction gear box (231) above reaction tube cover board (220), the input shaft of reduction gear box (231)
It is driven by a servo motor (232), the output shaft of reduction gear box (231) couples with an agitating shaft (240), agitating shaft (240)
It is protruded into after reaction tube cover board (220) in reaction chamber (211)；Agitating shaft (240) lower end surface be recessed axially inward formation from
The chambers of the heart (241), multiple connections centrifugal chamber (241) are equipped at agitating shaft (240) crosses fluid through-hole (242)；Centrifugal chamber (241) interior edge
It is axially arranged with partition (243), is additionally provided with aerator (250) in reaction chamber (211)；Partition (243) includes mutually orthogonal 2
Block, 2 pieces of partitions (243) are used to centrifugal chamber (241) being divided into 4 independent chambers；
Aerator (250) includes the interior fixed ring (410) and outer fixed ring (420) of coaxial arrangement, and interior fixed ring (410) is arranged
On the outside of the agitating shaft (240) and with agitating shaft (240) clearance fit, outer fixed ring (420) is used for solid with reaction chamber (211) inner wall
Fixed connection；Multiple air distribution plates (430), outer fixed ring have been uniformly distributed circumferentially between interior fixed ring (410) and outer fixed ring (420)
(420) internal to be equipped with the first cloth air cavity (510), the second cloth air cavity of the first cloth air cavity (510) of connection is equipped in air distribution plate (430)
(520)；The air inlet (511) of the first cloth air cavity (510) of connection is equipped at outer fixed ring (420), an admission line (260) passes through
It is connected to after reaction tube (210) side wall with air inlet (511).
2. the coal desulfurization system according to claim 1 for carrying out desulfurization to coal using microorganism, it is characterised in that: every
Venturi tube installation cavity (310) are formed between plate (243) lower end and agitating shaft (240) lower end, one is equipped in venturi tube installation cavity (310)
Venturi tube (244).
3. the coal desulfurization system according to claim 1 for carrying out desulfurization to coal using microorganism, it is characterised in that: cloth
Gas plate (430) is arranged along interior fixed ring (410) tangential direction.
4. the coal desulfurization system according to claim 1 for carrying out desulfurization to coal using microorganism, it is characterised in that: anti-
It answers and is equipped with multiple flow-stopping plates (270) in irregular distribution at cylinder (210) inner wall.
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| CN201711146560.8A CN107937084B (en) | 2017-11-17 | 2017-11-17 | The coal desulfurization system and technique of desulfurization are carried out to coal using microorganism |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285017A (en) * | 2008-06-03 | 2008-10-15 | 桂林工学院 | Process for removing sulphur in coal by using white-rot fungi |
| CN203947100U (en) * | 2014-07-04 | 2014-11-19 | 重庆融极环保工程有限公司 | A kind of batch production is for the microbiobacterial agent device of circulating water treatment |
| CN105617966A (en) * | 2015-12-25 | 2016-06-01 | 无锡南理工科技发展有限公司 | Kettle type stirring reactor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2030373C1 (en) * | 1991-03-25 | 1995-03-10 | Государственный научно-исследовательский институт "Кристалл" | Apparatus for conducting liquid-phase heterogeneous processes |
| CN101067100B (en) * | 2006-12-22 | 2011-05-18 | 毕舒 | Clean green fuel and its preparation process |
| JP5793312B2 (en) * | 2011-02-07 | 2015-10-14 | 前田建設工業株式会社 | Methane production system |
| CN205007915U (en) * | 2015-07-31 | 2016-02-03 | 天津百丰源农业科技发展有限公司 | Canned food agitating unit |
| CN206045988U (en) * | 2016-08-30 | 2017-03-29 | 四川艾普环保工程有限公司 | A kind of tail gas desulfurization regenerative response kettle |
-
2017
- 2017-11-17 CN CN201711146560.8A patent/CN107937084B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285017A (en) * | 2008-06-03 | 2008-10-15 | 桂林工学院 | Process for removing sulphur in coal by using white-rot fungi |
| CN203947100U (en) * | 2014-07-04 | 2014-11-19 | 重庆融极环保工程有限公司 | A kind of batch production is for the microbiobacterial agent device of circulating water treatment |
| CN105617966A (en) * | 2015-12-25 | 2016-06-01 | 无锡南理工科技发展有限公司 | Kettle type stirring reactor |
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