CN102703097A - Dry distillation device for coal with wide particle size distribution and method - Google Patents
Dry distillation device for coal with wide particle size distribution and method Download PDFInfo
- Publication number
- CN102703097A CN102703097A CN201210069945XA CN201210069945A CN102703097A CN 102703097 A CN102703097 A CN 102703097A CN 201210069945X A CN201210069945X A CN 201210069945XA CN 201210069945 A CN201210069945 A CN 201210069945A CN 102703097 A CN102703097 A CN 102703097A
- Authority
- CN
- China
- Prior art keywords
- distillation device
- destructive distillation
- coal
- pyrolysis
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention relates to the technical field of coal chemical industry, in particular to a dry distillation device for coal with wide particle size distribution and a method. The dry distillation device for coal with wide particle size distribution, provided by the invention, comprises a semi-coke outlet (1), a combustion heating chamber (3), a coal feed port (5) and a pyrolysis gas discharge pipe (4); two layers of partition plates are also arranged in the dry distillation device; a pyrolysis gas channel (2) is formed between the two layers of partition plates; and pores are formed in the partition plates to form a gas flow path from a fuel bed to the pyrolysis gas channel (2). In the dry distillation device for coal, provided by the invention, an inner component with good heat transfer performance and made from high-temperature resistant material also can be arranged therein, thus the heat transfer of a heating wall on the fuel bed and in the fuel bed is enhanced. In the invention, the pyrolysis gas channel is added into the dry distillation reaction device, so that the gas-phase product generated in the coal dry distillation process can overflow in time; and due to the inner component, the heat transfer and mass transfer effects are improved, the secondary reaction is reduced, and the tar yield and quality are further improved.
Description
Technical field
The present invention relates to technical field of coal chemical industry, particularly, the present invention relates to a kind of wide particle diameter distribution coal carbonization device and method that is used for.
Background technology
Coal cracking is the primitive reaction in all coal conversion processes, and the coal tar that obtains in this process is the main raw material of coal chemical industry.At present, the production of coal-based alternative oil gas and chemical mainly based on the catalytic liquefaction of gasification or coal, utilizes the composition of coal and the technological line that the constitutional features preparation substitutes oil, Sweet natural gas and chemical but exist simultaneously through pyrolysis.Calculating shows, utilizes volatile matter direct production oil fuel, the combustion gas of coal itself to compare with the conventional art route and can improve efficiency 10%-20%, reduces water consumption 20%-30%, reduces CO
2Discharging 0.3-0.9 ton/ton coal, and the efficient through pyrolysis and methanation production synthetic natural gas (SNG) can reach 75%, can be through the efficient of pyrolysis and hydrogenation preparing oil fuel to 65%.
Common destructive distillation heat-supplying mode can be divided into internal heat type and external-heat at present.The internal heat type technology be through high-temperature gas (or solid) thermal barrier directly and the material contact heat-exchanging carry out pyrolysis.Advantages such as internal heat type pyrogenation and carbonization technology has the heat transfer efficiency height, and heating rate is fast, and it is even to be heated.But the problem that exists at present is during with the gaseous heat-carrier direct heating, raw material granularity is required than higher the dustiness height of coal gas and tar when handling the small particle size broken coal; When heating, generally adopt the high temperature ash with solid thermal carriers, high temperature semicoke etc. and the direct contact heat-exchanging of coal particle, but pyrolysis gas entrained dirt is serious in the actual production, makes the quality of coke tar variation, can cause line clogging when serious.For overcoming the above problems, some researchs are carried out.As: patent CN 101818071A is a thermal barrier with the high temperature ash exactly; Pipeline through introducing the high temperature ash changes multistage branched into; Solid thermal carriers are incorporated into the reactor drum middle and lower part; The pyrolysis feed coal joins inside reactor by top simultaneously, and the introduction pipeline of thermal barrier can carry out preheating to raw material in the time of reinforced.The coal charge that in pyrolytic process, is deposited in reactor drum top can play certain filteration to dust.But this structure of reactor is complicated, is easy to cause line clogging if particularly run into situation such as pyrolysis feed coking, causes problems such as heat exchange is inhomogeneous.The external-heat technology is to conduct heat to material through heated wall, the process that material bed ecto-entad heats up gradually.External-heat pyrolysis retorting technique is not owing to introduce other heat-carrying agent mediums, thereby the tar dustiness that obtains is relatively low, caloric power of gas is higher.But when the pyrolysis feed particle diameter hour; Because it piles up closely knit at device interior; External heat source is difficult to the inner coal of heating; It is inhomogeneous to cause material to be heated, and the pyrolysis gas effusion resistance of generation is big, overstand causes the secondary reaction aggravation, thereby causes that tar yield is low, problem such as BO content height, poor quality, production efficiency are low.On the other hand, in the process of mining, produce the broken coal below a large amount of particle diameter 20mm with present coal-mining technique, the mode of seeking it of effectively utilizing has crucial meaning.Patent CN 102212378A has certain effect through interpolation inner member in pyrolysis reactor to strengthening the heat transfer in the small particle size carbon raw material pyrolytic process, and still, this patent and unresolved pyrolysis gas effusion resistance are big, the problem of overstand.
Can find out that by above analysis the key problem of wide particle diameter distribution dry distillation of coal process existence at present is the mass-and heat-transfer of how strengthening in its reaction process.
Summary of the invention
The objective of the invention is to; The rate of heat transfer that wide particle diameter distribution coal exists in external-heat indirect heating destructive distillation device is slow and big owing to pyrolysis gas effusion resistance in order to overcome, the residence time longly causes low, the inferior problem of tar yield, and a kind of wide particle diameter distribution coal carbonization device that is used for is provided.Through pyrolysis gases channel is set, strengthen the mass-and heat-transfer in the coal cracking process in pyrolysis reactor.
Another object of the present invention is to provide a kind of and be used for wide particle diameter distribution coal carbonization method based on above-mentioned destructive distillation device.
The wide particle diameter distribution coal carbonization device that is used for of the present invention; Comprise: semicoke relief outlet 1, combustion heating chamber 3, coal filling hole 5 and pyrolysis gas vent pipe 4; Wherein, two-layer dividing plate is set also in the said destructive distillation device, forms pyrolysis gases channel 2 between this two-layer dividing plate; Described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage 2 of zone of combustion thermotropism.
According to destructive distillation device of the present invention, wherein, said dividing plate is to have the sheet material 9 of sieve aperture or be arranged in shutter or arranged by some tubular material 11 parallel interval by some entity sheet material 10 parallel interval to form.
According to destructive distillation device of the present invention; Wherein, Described pyrolysis gases channel 2 tops are sealed and are connected with pyrolysis gas vent pipe 4, leave spacing between passage top and the destructive distillation device top cover, so that raw material can be evenly distributed to around the pyrolysis gases channel 2 in the reinforced process.
According to destructive distillation device of the present invention, wherein, the semicoke relief outlet 1 that is provided with on the lower end of said pyrolysis gases channel 2 and the destructive distillation device bottom is connected, so that the semicoke in the back eliminating pyrolysis gases channel 2 is accomplished in reaction.
According to destructive distillation device of the present invention, also be provided with some board-like inner members 6 in the said destructive distillation device; Said board-like inner member 6 places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member 6 one ends are connected in heated wall 8 and are uniformly distributed on two heated wall 8; Board-like inner member 6 extends in the coal seam in destructive distillation device from heated wall 8, and does not contact pyrolysis gases channel 2.
Leave spacing between above-mentioned board-like inner member 6 and the destructive distillation device bottom, so that reaction is got rid of semicoke after accomplishing.
The wide particle diameter distribution coal carbonization device group that is used for of the present invention; Composed in parallel by some destructive distillation devices, described destructive distillation device comprises: semicoke relief outlet 1, combustion heating chamber 3, coal filling hole 5 and pyrolysis gas vent pipe 4, wherein; Two-layer dividing plate also is set in the said destructive distillation device; Formed pyrolysis gases channel 2 between this two-layer dividing plate, described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage 2 of zone of combustion thermotropism; Pyrolysis gases channel 2 tops of said destructive distillation device are connected with pyrolysis gas vent pipe 4, and some pyrolysis gas vent pipes 4 are connected with main header road 7, and the pyrolysis gas-phase product is discharged through main header road 7.
According to destructive distillation device group of the present invention, wherein, said dividing plate is to have the sheet material 9 of sieve aperture or be arranged in shutter or arranged by some tubular material 11 parallel interval by some entity sheet material 10 parallel interval to form.
According to destructive distillation device group of the present invention, wherein, also be provided with some board-like inner members 6 in the said destructive distillation device; Said board-like inner member 6 places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member 6 one ends are connected in heated wall 8 and are uniformly distributed on two heated wall 8; Board-like inner member 6 extends in the coal seam in destructive distillation device from heated wall 8, and does not contact pyrolysis gases channel 2.
Of the present invention based on above-mentioned destructive distillation device be used for wide particle diameter distribution coal carbonization method, may further comprise the steps:
1) the pyrolysis coal gets in the destructive distillation device through coal filling hole 5, lays respectively at pyrolysis gases channel 2 both sides;
2) destructive distillation device through 3 pairs of heated wall 8 heat temperature raisings of combustion heating chamber and then to the heating of pyrolysis coal, heats the pyrolysis coal through pyrolysis gas-phase product entrained heat in pyrolysis gases channel 2 moving process on the one hand on the other hand;
3) the pyrolysis gas-phase product is pooled in the pyrolysis gases channel 2 through the hole of pyrolysis gases channel 2 walls, and discharges through pyrolysis gas vent pipe 4, carries out the separating treatment of pyrolysis gas and pyrolysis oil then; Solid product is discharged by semicoke relief outlet 1, and does quenching and handle.
According to the wide particle diameter distribution coal carbonization method that is used for of the present invention, wherein, also be provided with board-like inner member 6 in the said destructive distillation device, wherein, said board-like inner member 6 stretches into pyrolysis coal coal seam, and the pyrolysis coal seam can be through board-like inner member 6 reinforcements heat and mass wherein.
According to the wide particle diameter distribution coal carbonization method that is used for of the present invention, wherein, said pyrolysis gas vent pipe 4 mouth of pipe places preferably are provided with induced draft fan, make to form big pressure difference between the mouth of pipe and the pyrolysis gases channel 2, quicken pyrolysis gas and discharge.
Be used for wide particle diameter distribution coal carbonization method according to the present invention; Wherein, when said destructive distillation device contained board-like inner member 6, the pyrolysis coal added through coal filling hole 5 and is equipped with in the destructive distillation device of pyrolysis gases channel 2; Be positioned at pyrolysis gases channel 2 both sides, and make board-like inner member 6 stretch into the coal seam.Destructive distillation device is on the one hand through combustion heating chamber's 3 indirect heating intensification pyrolysis coals; Carry out heat and mass transfer enhancement through board-like inner member 6 on the other hand; The entrained heat of pyrolysis gas-phase product pyrolysis gas in pyrolysis gases channel 2 moving process also can carry out the direct heating intensification to the pyrolysis coal simultaneously, and its temperature rise rate will increase sharply.
The invention has the advantages that, in the dry distillation reactor device, added pyrolysis gases channel, make the gas-phase product that is produced in the dry distillation of coal process in time to overflow; Simultaneously through inner member is set; Improve the heat and mass effect, reduced secondary reaction, helped improving tar yield and quality.Also can carry out direct heating to raw material at the entrained heat of pyrolysis gas-phase product pyrolysis gas in the pyrolysis gases channel moving process simultaneously heats up; Make the material temperature rise rate improve greatly; Heating uniformity also is improved, and efficiently solves the slow problem of rate of heat transfer that external-heat indirect heating pyrolysis reactor exists.
Description of drawings
Fig. 1 is used for wide particle diameter distribution coal carbonization apparatus structure synoptic diagram for the present invention;
Fig. 2 is used for wide particle diameter distribution coal carbonization apparatus structure synoptic diagram (containing board-like inner member) for the present invention;
Fig. 3 is used for wide particle diameter distribution coal carbonization device top plan view for the present invention, and wherein, the pyrolysis gases channel dividing plate is the sheet material that has sieve aperture;
Fig. 4 is used for wide particle diameter distribution coal carbonization device top plan view for the present invention, and wherein, the pyrolysis gases channel dividing plate is arranged in shutter by some entity sheet material parallel interval;
Fig. 5 is used for wide particle diameter distribution coal carbonization device top plan view for the present invention, and wherein, the pyrolysis gases channel dividing plate is arranged by some tubular material parallel interval and constituted;
Fig. 6 is used for wide particle diameter distribution coal carbonization device group structural representation for the present invention.
The accompanying drawing sign
1, semicoke relief outlet 2, pyrolysis gases channel 3, combustion heating chamber
4, pyrolysis gas vent pipe 5, coal filling hole 6, board-like inner member
7, main header road 8, heated wall 9, contain the sheet material of sieve aperture
10, entity sheet material 11, tubular material 12, coal seam
Embodiment
Below in conjunction with accompanying drawing and embodiment, the wide particle diameter distribution coal carbonization device and method that is used for of the present invention is described.
Shown in Fig. 1-6; The wide particle diameter distribution coal carbonization device that is used for of the present invention comprises: semicoke relief outlet 1, combustion heating chamber 3, coal filling hole 5 and pyrolysis gas vent pipe 4, wherein; Two-layer dividing plate also is set in the said destructive distillation device; Form pyrolysis gases channel 2 between this two-layer dividing plate, described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage 2 of zone of combustion thermotropism.Said dividing plate is to have the sheet material 9 (Fig. 3) of sieve aperture or be arranged in shutter (Fig. 4) or arranged by some tubular material 11 parallel interval by some entity sheet material 10 parallel interval to form (Fig. 5).Described pyrolysis gases channel 2 tops are sealed and are connected with pyrolysis gas vent pipe 4, leave spacing between passage top and the destructive distillation device top cover, so that raw material can be evenly distributed to around the pyrolysis gases channel 2 in the reinforced process.The semicoke relief outlet 1 that is provided with on the lower end of said pyrolysis gases channel 2 and the destructive distillation device bottom is connected, so that the semicoke in the back eliminating pyrolysis gases channel 2 is accomplished in reaction.
Also be provided with some board-like inner members 6 (Fig. 2) in the said destructive distillation device; Said board-like inner member 6 places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member 6 one ends are connected in heated wall 8 and are uniformly distributed on two heated wall 8; Board-like inner member 6 extends in the coal seam in destructive distillation device from heated wall 8, and does not contact pyrolysis gases channel 2.Leave spacing between board-like inner member 6 and the destructive distillation device bottom, so that reaction is got rid of semicoke after accomplishing.
The wide particle diameter distribution coal carbonization device group that is used for of the present invention is composed in parallel by some destructive distillation devices, and is as shown in Figure 6; Described destructive distillation device comprises: semicoke relief outlet 1, combustion heating chamber 3, coal filling hole 5 and pyrolysis gas vent pipe 4; Wherein, two-layer dividing plate is set also in the said destructive distillation device, has formed pyrolysis gases channel 2 between this two-layer dividing plate; Described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage 2 of fuel bed thermotropism; Pyrolysis gases channel 2 tops of said destructive distillation device are connected with pyrolysis gas vent pipe 4, and some pyrolysis gas vent pipes 4 are connected with main header road 7, and the pyrolysis gas-phase product is discharged through main header road 7.Said dividing plate is to have the sheet material 9 of sieve aperture or be arranged in shutter or arranged by some tubular material 11 parallel interval by some entity sheet material 10 parallel interval to form.Also be provided with some board-like inner members 6 in the said destructive distillation device; Said board-like inner member 6 places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member 6 one ends are connected in heated wall 8 and are uniformly distributed on two heated wall 8; Board-like inner member 6 extends in the coal seam in destructive distillation device from heated wall 8, and does not contact pyrolysis gases channel 2.
Of the present invention based on above-mentioned destructive distillation device be used for wide particle diameter distribution coal carbonization method, may further comprise the steps:
1) the pyrolysis coal gets in the destructive distillation device through coal filling hole 5, lays respectively at pyrolysis gases channel 2 both sides;
2) destructive distillation device through 3 pairs of heated wall 8 heat temperature raisings of combustion heating chamber and then to the heating of pyrolysis coal, heats the pyrolysis coal through pyrolysis gas-phase product entrained heat in pyrolysis gases channel 2 moving process on the one hand on the other hand;
3) the pyrolysis gas-phase product is pooled in the pyrolysis gases channel 2 through the hole of pyrolysis gases channel 2 walls, and discharges through pyrolysis gas vent pipe 4, carries out the separating treatment of pyrolysis gas and pyrolysis oil then; Solid product is discharged by semicoke relief outlet 1, and does quenching and handle.
Wherein, also be provided with board-like inner member 6 in the said destructive distillation device, wherein, said board-like inner member 6 stretches into pyrolysis coal coal seam, and the pyrolysis coal seam can be through board-like inner member 6 reinforcements heat and mass wherein.Said pyrolysis gas vent pipe 4 mouth of pipe places preferably are provided with induced draft fan, make to form bigger pressure difference between the mouth of pipe and the pyrolysis gases channel 2, quicken pyrolysis gas and discharge.
When said destructive distillation device contained board-like inner member 6, the pyrolysis coal added through coal filling hole 5 and is equipped with in the destructive distillation device of pyrolysis gases channel 2, is positioned at pyrolysis gases channel 2 both sides, and makes board-like inner member 6 stretch into coal seam 12.Destructive distillation device is on the one hand through combustion heating chamber's 3 indirect heating intensification pyrolysis coals; Carry out heat and mass transfer enhancement through board-like inner member 6 on the other hand; The entrained heat of pyrolysis gas-phase product pyrolysis gas in pyrolysis gases channel 2 moving process also can carry out the direct heating intensification to the pyrolysis coal simultaneously, and its temperature rise rate will increase sharply.
Present embodiment is the pyrolysis of the particle diameter of fixed bed, indirect heating mode less than the Fugu coal of 5mm; As shown in Figure 1; Destructive distillation device inside is provided with pyrolysis gases channel 2; Comprise coal filling hole 5, combustion heating chamber 3, pyrolysis gas vent pipe 4 and semicoke relief outlet 1,2 liang of walls of pyrolysis gases channel are parallel with combustion heating chamber 3.Fuel gas buring provides heat and is imported in the pyrolysis coal seam by combustion heating chamber 3 in the combustion chamber of destructive distillation device both sides.Feed coal is packed into by coal filling hole 5 in the destructive distillation device, heats up and pyrolytic reaction takes place, and the pyrolysis gas-phase product gets into pyrolysis gases channel 2 and finally is pooled to pyrolysis gas vent pipe 4 and drawn.Reach predetermined temperature of reaction and after the time, carry out the coke discharging operation, coke is discharged by semicoke relief outlet 1.Can handle by prior art about quenching and tar, coal gas treatment technology.
Compare with the destructive distillation device that does not add pyrolysis gas-phase product exhaust channel, 100kg coal its core temperature in 3 hours rises to 420 ℃ by original 280 ℃, shows that rate of heat transfer improves greatly.Simultaneously, the tar yield improves more than 1 times, contains the dust rate below 0.5%.
Present embodiment is that the board-like inner member of fixed bed, indirect heating mode is strengthened the pyrolysis of particle diameter less than the Fugu coal of 5mm; As shown in Figure 2; Board-like inner member 6 and pyrolysis gases channel 2 are housed in the destructive distillation device; Comprise coal filling hole 5, combustion heating chamber 3, pyrolysis gas vent pipe 4 and semicoke relief outlet 1, board-like inner member 6 places destructive distillation device with the mode perpendicular to pyrolysis reactor both sides heated wall and furnace bottom, and pyrolysis gases channel 2 and combustion heating chamber 3 are parallel and between the board-like inner member 6 in two ends.Fuel gas buring provides heat and is imported in the pyrolysis coal seams by combustion heating chamber 3 and board-like inner member 6 in the combustion chamber of destructive distillation device both sides.Feed coal is packed into by coal filling hole 5 in the destructive distillation device, heats up and pyrolytic reaction takes place, and the pyrolysis gas-phase product gets into pyrolysis gases channel 2 and derives.Final all pyrolysis gas-phase products are pooled to pyrolysis gas vent pipe 4 and are drawn, and reach predetermined temperature of reaction and after the time, carry out the coke discharging operation, and coke is discharged by semicoke relief outlet 1.Can handle by prior art about quenching and tar, coal gas treatment technology.
Do not compare with the pyrolysis reactor of pyrolysis gas-phase product exhaust channel with adding inner member, 100kg coal its core temperature in 3 hours rises to 553 ℃ by original 280 ℃, shows that rate of heat transfer has raise 1 times.Simultaneously, the tar yield is more than 1.3 times of productive rate when not adding inner member, contains the dust rate below 0.5%.
It is to be noted; For practical implementation method of the present invention; Like the aperture of destructive distillation device inner chamber body limit wall, pore distribution, the shape of cavity; The combining form of the shape of inner member, size, installing space and distribution mode, pyrolysis reactor and other devices and operating method etc. still can make amendment and improve, but can not deviate from the scope of the present invention and the essence spirit of defined in claims therefrom.
Claims (10)
1. one kind is used for wide particle diameter distribution coal carbonization device; Comprise: semicoke relief outlet (1), combustion heating chamber (3), coal filling hole (5) and pyrolysis gas vent pipe (4); It is characterized in that, two-layer dividing plate also is set in the said destructive distillation device, form pyrolysis gases channel (2) between this two-layer dividing plate; Described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage (2) of fuel bed thermotropism.
2. destructive distillation device according to claim 1 is characterized in that, said dividing plate is the sheet material (9) that has sieve aperture or is arranged in shutter or is arranged by some tubular materials (11) parallel interval by some entity sheet materials (10) parallel interval and form.
3. destructive distillation device according to claim 1 is characterized in that, described pyrolysis gases channel (2) top is sealed and is connected with pyrolysis gas vent pipe (4), leaves spacing between passage top and the destructive distillation device top cover, is used for evenly reinforced.
4. destructive distillation device according to claim 1 is characterized in that, the semicoke relief outlet (1) that is provided with on the lower end of said pyrolysis gases channel (2) and the destructive distillation device bottom is connected, and is used for discharging the semicoke of pyrolysis gases channel (2).
5. destructive distillation device according to claim 1 is characterized in that, also is provided with some board-like inner members (6) in the said destructive distillation device; Said board-like inner member (6) places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member (6) one ends are connected in heated wall (8) and are uniformly distributed on two heated wall (8); Board-like inner member (6) extends in destructive distillation device in the coal seam from heated wall (8),
6. one kind is used for wide particle diameter distribution coal carbonization device group; Composed in parallel by some destructive distillation devices, described destructive distillation device comprises: semicoke relief outlet (1), combustion heating chamber (3), coal filling hole (5) and pyrolysis gas vent pipe (4) is characterized in that; Two-layer dividing plate also is set in the said destructive distillation device; Formed pyrolysis gases channel (2) between this two-layer dividing plate, described dividing plate is provided with hole, forms the vent one's spleen gas flow path of passage (2) of fuel bed thermotropism; The pyrolysis gases channel of said destructive distillation device (2) top is connected with pyrolysis gas vent pipe (4), and some pyrolysis gas vent pipes (4) are connected with main header road (7), and the pyrolysis gas-phase product is discharged through main header road (7).
7. destructive distillation device group according to claim 6 is characterized in that, said dividing plate is the sheet material (9) that has sieve aperture or is arranged in shutter or is arranged by some tubular materials (11) parallel interval by some entity sheet materials (10) parallel interval and form.
8. destructive distillation device group according to claim 6 is characterized in that, also is provided with some board-like inner members (6) in the said destructive distillation device; Said board-like inner member (6) places in the destructive distillation device with the mode perpendicular to the destructive distillation device top and bottom, and wherein, board-like inner member (6) one ends are connected in heated wall (8) and are uniformly distributed on two heated wall (8); Board-like inner member (6) extends in the coal seam in destructive distillation device from heated wall (8).
One kind based on claim 1 be used for wide particle diameter distribution coal carbonization method, it is characterized in that described method for destructive distillation may further comprise the steps:
1) the pyrolysis coal lays respectively at pyrolysis gases channel (2) both sides in coal filling hole (5) gets into destructive distillation device;
2) destructive distillation device heats to heated wall (8) heat temperature raising and then to the pyrolysis coal through combustion heating chamber (3) on the one hand, through pyrolysis gas-phase product entrained heat in pyrolysis gases channel (2) moving process the pyrolysis coal is heated on the other hand;
3) the pyrolysis gas-phase product is pooled in the pyrolysis gases channel (2) through the hole of pyrolysis gases channel (2) wall, and discharges through pyrolysis gas vent pipe (4); Solid product is discharged by semicoke relief outlet (1).
10. the wide particle diameter distribution coal carbonization method that is used for according to claim 9; It is characterized in that; Also be provided with board-like inner member (6) in the said destructive distillation device; Wherein, said board-like inner member (6) stretches into pyrolysis coal coal seam, and heat and mass wherein can be strengthened through board-like inner member (6) in the pyrolysis coal seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069945.XA CN102703097B (en) | 2012-03-16 | 2012-03-16 | Dry distillation device for coal with wide particle size distribution and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210069945.XA CN102703097B (en) | 2012-03-16 | 2012-03-16 | Dry distillation device for coal with wide particle size distribution and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102703097A true CN102703097A (en) | 2012-10-03 |
| CN102703097B CN102703097B (en) | 2014-09-24 |
Family
ID=46896157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210069945.XA Active CN102703097B (en) | 2012-03-16 | 2012-03-16 | Dry distillation device for coal with wide particle size distribution and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102703097B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104610989A (en) * | 2014-11-05 | 2015-05-13 | 神华集团有限责任公司 | Coal pyrolysis device |
| CN104629775A (en) * | 2013-11-12 | 2015-05-20 | 中国科学院过程工程研究所 | Pyrolysis device for carbonaceous substance |
| CN104650936A (en) * | 2013-11-15 | 2015-05-27 | 中国科学院过程工程研究所 | Device and method for caking crushed coal molding and dry distillation product production |
| CN105713625A (en) * | 2015-12-21 | 2016-06-29 | 北京中科洁创能源技术有限公司 | Fixed-bed reaction device applicable to intermediate-temperature and low-temperature multi-atmosphere oriented coal pyrolysis |
| CN105802647A (en) * | 2016-04-29 | 2016-07-27 | 波露明（北京）科技有限公司 | Thin-layer pyrolysis furnace applied to crushed and pulverized coal, pyrolysis device and pyrolysis method |
| CN107353918A (en) * | 2017-08-23 | 2017-11-17 | 农业部规划设计研究院 | A kind of disturbance formula inner member rotary furnace biomass pyrolytic carbonizes polygenerations systeme |
| CN109294606A (en) * | 2018-09-26 | 2019-02-01 | 沈阳化工大学 | A kind of directional thermal decomposition reactor based on ray heating |
| CN110699100A (en) * | 2019-10-09 | 2020-01-17 | 煤炭科学技术研究院有限公司 | Composite heating type moving bed pyrolysis reaction device for coal with wide particle size distribution |
| CN111004637A (en) * | 2018-10-08 | 2020-04-14 | 中国科学院过程工程研究所 | Device for preparing high-quality fuel gas by pyrolyzing carbon-containing raw materials |
| CN113477186A (en) * | 2021-06-22 | 2021-10-08 | 沈阳化工大学 | Selective catalytic upgrading device and method for heavy tar |
| CN116376579A (en) * | 2023-04-21 | 2023-07-04 | 宁夏大学 | Charcoal preparation facilities based on charcoal gas coproduction |
| CN110699100B (en) * | 2019-10-09 | 2024-10-25 | 煤炭科学技术研究院有限公司 | Composite heating moving bed pyrolysis reaction device for wide particle size distribution coal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07242876A (en) * | 1994-03-04 | 1995-09-19 | Kawasaki Steel Corp | Method for feeding high-temperature dry distillation gas in dry distillation oven |
| CN101497802A (en) * | 2009-02-27 | 2009-08-05 | 西安建筑科技大学 | Method for controlling coal gas interior heat low temperature dry distillation temperature and improving quality of coal gas |
| CN101775296A (en) * | 2010-01-26 | 2010-07-14 | 清华大学 | Process and device for dry distillation of lignite on basis of coke-carried heat |
| CN101985564A (en) * | 2010-08-19 | 2011-03-16 | 西峡龙成特种材料有限公司 | Vertical coal decomposing equipment |
| CN102212378A (en) * | 2011-04-20 | 2011-10-12 | 中国科学院过程工程研究所 | Method for strengthening pyrolysis of carbon-containing substance and pyrolysis device |
-
2012
- 2012-03-16 CN CN201210069945.XA patent/CN102703097B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07242876A (en) * | 1994-03-04 | 1995-09-19 | Kawasaki Steel Corp | Method for feeding high-temperature dry distillation gas in dry distillation oven |
| CN101497802A (en) * | 2009-02-27 | 2009-08-05 | 西安建筑科技大学 | Method for controlling coal gas interior heat low temperature dry distillation temperature and improving quality of coal gas |
| CN101775296A (en) * | 2010-01-26 | 2010-07-14 | 清华大学 | Process and device for dry distillation of lignite on basis of coke-carried heat |
| CN101985564A (en) * | 2010-08-19 | 2011-03-16 | 西峡龙成特种材料有限公司 | Vertical coal decomposing equipment |
| CN102212378A (en) * | 2011-04-20 | 2011-10-12 | 中国科学院过程工程研究所 | Method for strengthening pyrolysis of carbon-containing substance and pyrolysis device |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629775A (en) * | 2013-11-12 | 2015-05-20 | 中国科学院过程工程研究所 | Pyrolysis device for carbonaceous substance |
| CN104650936A (en) * | 2013-11-15 | 2015-05-27 | 中国科学院过程工程研究所 | Device and method for caking crushed coal molding and dry distillation product production |
| CN104650936B (en) * | 2013-11-15 | 2017-05-17 | 中国科学院过程工程研究所 | Device and method for caking crushed coal molding and dry distillation product production |
| CN104610989A (en) * | 2014-11-05 | 2015-05-13 | 神华集团有限责任公司 | Coal pyrolysis device |
| CN105713625B (en) * | 2015-12-21 | 2018-09-25 | 中国矿业大学 | A kind of fixed-bed reactor being suitble to the more atmosphere coal directional thermal decompositions of middle low temperature |
| CN105713625A (en) * | 2015-12-21 | 2016-06-29 | 北京中科洁创能源技术有限公司 | Fixed-bed reaction device applicable to intermediate-temperature and low-temperature multi-atmosphere oriented coal pyrolysis |
| CN105802647B (en) * | 2016-04-29 | 2018-12-11 | 波露明（北京）科技有限公司 | Thin layer pyrolysis oven, pyrolysis installation and method for pyrolysis for flour coal |
| CN105802647A (en) * | 2016-04-29 | 2016-07-27 | 波露明（北京）科技有限公司 | Thin-layer pyrolysis furnace applied to crushed and pulverized coal, pyrolysis device and pyrolysis method |
| CN107353918A (en) * | 2017-08-23 | 2017-11-17 | 农业部规划设计研究院 | A kind of disturbance formula inner member rotary furnace biomass pyrolytic carbonizes polygenerations systeme |
| CN109294606A (en) * | 2018-09-26 | 2019-02-01 | 沈阳化工大学 | A kind of directional thermal decomposition reactor based on ray heating |
| CN111004637A (en) * | 2018-10-08 | 2020-04-14 | 中国科学院过程工程研究所 | Device for preparing high-quality fuel gas by pyrolyzing carbon-containing raw materials |
| CN110699100A (en) * | 2019-10-09 | 2020-01-17 | 煤炭科学技术研究院有限公司 | Composite heating type moving bed pyrolysis reaction device for coal with wide particle size distribution |
| CN110699100B (en) * | 2019-10-09 | 2024-10-25 | 煤炭科学技术研究院有限公司 | Composite heating moving bed pyrolysis reaction device for wide particle size distribution coal |
| CN113477186A (en) * | 2021-06-22 | 2021-10-08 | 沈阳化工大学 | Selective catalytic upgrading device and method for heavy tar |
| CN113477186B (en) * | 2021-06-22 | 2022-07-01 | 沈阳化工大学 | Selective catalytic upgrading device and method for heavy tar |
| CN116376579A (en) * | 2023-04-21 | 2023-07-04 | 宁夏大学 | Charcoal preparation facilities based on charcoal gas coproduction |
| CN116376579B (en) * | 2023-04-21 | 2024-02-13 | 宁夏大学 | Charcoal preparation facilities based on charcoal gas coproduction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102703097B (en) | 2014-09-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102703097B (en) | Dry distillation device for coal with wide particle size distribution and method | |
| CN101544901B (en) | Method and device for preparing biological oil by biomass cracking | |
| CN103205267B (en) | Medium and low temperature coal distillation device and distillation method | |
| CN101440290B (en) | Method for rapid medium-low temperature dry distillation of coal by using microwave | |
| CN102277185A (en) | Method for pyrolyzing coal by utilizing heat accumulating type revolving furnace | |
| CN204237743U (en) | A kind of New type coal gas retort | |
| CN102212378A (en) | Method for strengthening pyrolysis of carbon-containing substance and pyrolysis device | |
| CN102964884B (en) | Hot cracking method process for preparing carbon black by using co-production of tail gas | |
| CN102925180B (en) | Oil shale external heat radiation type retort | |
| CN103435028B (en) | Method and device for producing semi coke | |
| WO2016095464A1 (en) | Process and apparatus for continuous extracting hydrocarbons from medium/low-rank coal by indirect heating stepwise pyrolysis | |
| US9862890B2 (en) | Apparatus and method for pyrolyzing coal with wide particle size distribution | |
| CN203513565U (en) | Internally heated vertical furnace using heated high temperature coal gas as heat source | |
| CN204644266U (en) | The full circulation carbonization furnace that a kind of destructive distillation is lower-grade metamorphic bituminous | |
| CN104263394A (en) | Low-temperature destructive distillation pyrolysis method of lignite | |
| CN205635488U (en) | Oil shale pyrolysis system | |
| CN202124594U (en) | Heat accumulating type external heating medium-temperature and low-temperature coal pyrolyzing furnace | |
| CN112745962B (en) | Vertical biomass cracking reaction device | |
| CN202139201U (en) | Regenerative rotary furnace for pyrolyzing coal | |
| CN200985326Y (en) | Device for purifying and recovering tail-gas in preparing charcoal | |
| CN206278918U (en) | A kind of pyrolysis oven and rake stove combine the system for preparing activated carbon | |
| CN205313462U (en) | System for be arranged in low temperature dry distillation of coal | |
| CN203238216U (en) | External heat radiation type dry distillation furnace for oil shale | |
| CN211665000U (en) | Composite heating type moving bed pyrolysis reaction device for coal with wide particle size distribution, parallel groups thereof, series groups thereof and series combination of parallel groups | |
| CN203462003U (en) | Direct-indirect combining heat granule shale low temperature dry distillation furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |