CN201737900U - High-efficiency quick coal pyrolyzing device - Google Patents
High-efficiency quick coal pyrolyzing device Download PDFInfo
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- CN201737900U CN201737900U CN2010202307064U CN201020230706U CN201737900U CN 201737900 U CN201737900 U CN 201737900U CN 2010202307064 U CN2010202307064 U CN 2010202307064U CN 201020230706 U CN201020230706 U CN 201020230706U CN 201737900 U CN201737900 U CN 201737900U
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Abstract
The utility model discloses a high-efficiency quick coal pyrolyzing device which comprises a crushing and sorting device, a drying bed, a combustion bed, a cooling device, a separator, a primary dry distillation device, a secondary dry distillation device and an oil-gas separating elution device. The crushing and sorting device is respectively connected with the drying bed and the combustion bed; the upper part of the combustion bed is sequentially connected with the cooling device, a mixer and a fuel opening of the drying bed by the separator; a fine separator at the rear of the combustion bed is connected with the primary dry distillation device, a rough separator at the rear of the combustion bed is respectively connected with the primary dry distillation device and the secondary dry distillation device, the drying bed is connected with a dust removing device by the separator, the fine separator at the rear of the primary dry distillation device is connected with the oil-gas separating elution device, and combustion-supporting chamber is arranged between the fine separator at the rear of the combustion bed and the cooling device, and the rough separation at the rear of the secondary dry distillation device is respectively connected with the combustion bed and the cooling device. The high-efficiency quick coal pyrolyzing device can carry out repeated cyclic utilization on coal, intermediate products of the coal and reaction heat energy; the combustion is complete, the reaction is thorough, emissions to the outside are reduced, pyrolysis products are diversified, and the yield is high.
Description
Technical field
The utility model belongs to the Coal Chemical Industry equipment technical field, is specifically related to a kind of coal deep processing that is suitable for, based on the device of the efficient fast pyrogenation coal of solid thermal carriers technology.
Background technology
Brown coal have another name called the bavin coal, are a kind of brownish black, lacklustre low-quality coals between peat and pitch coal, are the minimum pit coals of degree of coalification.Brown coal are mainly used in the fuel in power station because of its characteristics with low-sulfur, low-phosphorous, high volatile, high ash melting point, also can make industrial chemicals, support of the catalyst, sorbent material, purify waste water and reclaim metal etc.But brown coal are one of important environomental pollution sources that causes Greenhouse effect because of high humidity, burning-point is low and CO2 emissions is big shortcoming.Brown coal solid heat carrier rapid pyrolysis technology belongs to the low-temperature pyrolysis process of coal, be to make brown coal pyrolysis (destructive distillation) obtain the technology of light-end products, coal gas and semicoke by carrier (hot semicoke) short mix heating in brown coal with heat, this process only is a hot procedure, normal pressure production can make coal gas, tar and semicoke, the partial gasification and the liquefaction of coal have been realized, compare with direct liquefaction, the indirect liquefaction of coal, process is simple relatively, less investment.But the burning bed of prior art brown coal pyrolytic technique is an incendiary under oxygen debt operating mode, exist insufficient, the reaction instability of burning, and the problem that has thermosteresis, for this reason, the design people is through concentrating on studies, developed a kind of device of efficient fast pyrogenation coal, evidence has good application potential.
The utility model content
It is a kind of simple in structure that the purpose of this utility model is to provide, and can make burning more abundant, realizes the pyrolysis rapidly and efficiently of coal, especially brown coal, improves the device of the efficient fast pyrogenation coal of deep processed product type and productive rate.
The purpose of this utility model is to realize like this, comprise crushing-separating apparatus, drying bed, burning bed, refrigerating unit, separator, one-level destructive distillation device, secondary destructive distillation device, gas-oil separation wash-out device, described shredder assembly connects sorting unit, sorting unit connects drying bed, burning bed opening for feed respectively by stock chest, and drying bed connects cleaning apparatus, induced draft fan by coarse separator, thin separator gaseous phase outlet successively; Described burning bed top connects the fuel port of refrigerating unit, mixing tank, drying bed successively by the gaseous phase outlet of coarse separator, thin separator, the solid phase outlet of the thin separator behind the burning bed connects the opening for feed of one-level destructive distillation device, and the coarse separator solid phase outlet behind the burning bed connects the opening for feed of one-level destructive distillation device, secondary destructive distillation device respectively; One-level destructive distillation device top connects coarse separator, thin separator successively, and the outlet of coarse separator solid phase connects secondary destructive distillation device opening for feed behind the one-level destructive distillation device, and thin separator solid phase exports and connect the burning bed opening for feed behind one-level destructive distillation device, the secondary destructive distillation device; The coarse separator solid phase exports one tunnel connection burning bed opening for feed behind the secondary destructive distillation device; Thin separator gaseous phase outlet connects gas-oil separation wash-out device behind the one-level destructive distillation device, connects the import of secondary destructive distillation device by the booster fan feedback behind the gas-oil separation wash-out device; Between thin separator and the refrigerating unit combustion-supporting chamber is set behind the described burning bed; The coarse separator solid phase exports another road and connects stock chest by refrigerating unit behind the described secondary destructive distillation device.
The utility model is provided with combustion-supporting chamber, refrigerating unit, heat energy recycling system in forming, make coal and intermediate product thereof, reaction heat energy recycled for multiple times, sufficient combustion, reaction are thoroughly, externally discharging reduces, pyrolysis product is wide in variety and productive rate is high, has reduced production cost, has improved economic benefit.
Description of drawings
Accompanying drawing is the utility model one-piece construction synoptic diagram.
Among the figure: 1-shredder assembly, 2-sorting unit, 3-drying bed, 4-burning bed, the 5-refrigerating unit, 6-mixing tank, 7-coarse separator, the thin separator of 8-, 9-combustion-supporting chamber, 10-gas blower, 11-one-level destructive distillation device, 12-secondary destructive distillation device, the 13-water-and-oil separator, 14-dewatering unit, 15-water washing device, 16-gas-holder, the 17-storage tank, 18-induced draft fan, 19-booster fan, 20-stock chest, the 21-recirculation blower, 22-ash exhauster, 23-cleaning apparatus, 24-afterburning blower fan.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described, but never in any form the utility model is limited, any conversion based on the utility model training centre is done all falls into protection domain of the present utility model.
As shown in drawings, the utility model comprises crushing-separating apparatus, drying bed 3, burning bed 4, refrigerating unit 5, separator, one-level destructive distillation device 11, secondary destructive distillation device 12, gas-oil separation wash-out device, described shredder assembly 1 connects sorting unit 2, sorting unit 2 connects drying bed 3, burning bed 4 opening for feeds respectively by stock chest 20, and drying bed 3 connects cleaning apparatus 23, induced draft fan 18 by coarse separator 7, thin separator 8 gaseous phase outlets successively; Described burning bed 4 tops connect the fuel port of refrigerating unit 5, mixing tank 6, drying bed 3 successively by the gaseous phase outlet of coarse separator 7, thin separator 8, the solid phase outlet of the thin separator 8 behind the burning bed 4 connects the opening for feed of one-level destructive distillation device 11, and the coarse separator 7 solid phases outlet behind the burning bed 4 connects the opening for feed of one-level destructive distillation device 11, secondary destructive distillation device 12 respectively; One-level destructive distillation device 11 tops connect coarse separator 7, thin separator 8 successively, the 11 back coarse separator 7 solid phases outlets of one-level destructive distillation device connect secondary destructive distillation device 12 opening for feeds, and one-level destructive distillation device 11, the thin separator 8 solid phases outlet in secondary destructive distillation device 12 backs also connect burning bed 4 opening for feeds; Secondary destructive distillation device 12 back coarse separator 7 solid phases export one the tunnel and connect burning bed 4 opening for feeds; Thin separator 8 gaseous phase outlets in one-level destructive distillation device 11 backs connect gas-oil separation wash-out device, connect 12 imports of secondary destructive distillation device by booster fan 19 feedbacks behind the gas-oil separation wash-out device; Between thin separator 8 in described burning bed 4 backs and the refrigerating unit 5 combustion-supporting chamber 9 is set; Described secondary destructive distillation device 12 back coarse separator 7 solid phases export another road and connect stock chest 20 by refrigerating unit 5.
Described gas-oil separation wash-out device comprises water-and-oil separator 13, dewatering unit 14, water washing device 15, gas-holder 16 and storage tank 17, and water washing device 15 one tunnel connects dewatering unit 14, booster fan 19, gas-holder 16 successively; Another road connects water-and-oil separator 13, storage tank 17.
Described cleaning apparatus 23 backs connect drying bed 3, burning bed 4 imports respectively by recirculation blower 21, mixing tank 6.
Described drying bed 3 outlets export and connect one-level destructive distillation device 11 opening for feeds by the solid phase of coarse separator 7, thin separator 8.
Behind the described water-and-oil separator 13 ash exhauster 22 is set, ash exhauster 22 is provided with gas backstreaming pipe coupling water washing device 15 inlets.
Behind described coarse separator 7, the thin separator 8 stock chest 20 is set respectively.
Principle of work of the present utility model:
In the prior art for preventing the semicoke overfire that circulates, burning bed 4 is designed to oxygen debt operating mode, because of fuel and the characteristics of brown coal own generally can not fully be burnt, also contain the combustiblecomponents uncombusted in the high temperature combustion residual air, and when startup or unusual service condition, can not guarantee fully that drying bed has enough heats, influenced production efficiency.Increase combustion-supporting chamber 9 in burning bed 4 exits, guarantee fully burning, make reaction more abundant by replenishing combustion gas and air separately.The temperature of finished product semicoke is up to 750 ℃, and naturally cooling needs the long time, has wasted a large amount of thermals source again, causes environmental pollution.The utility model is produced steam with refrigerating unit 5 heat exchanges after high temperature semicoke output, by vapor recovery heat energy.
Characteristics of the present utility model:
1, the effective brown coal of low value oil, gas, Jiao of producing high added value;
2, effectively utilize fume waste heat to remove moisture content in the brown coal, solved the moisture height of brown coal, be difficult for a difficult problem of utilizing;
3, can take full advantage of the semicoke waste heat and take full advantage of heat energy by water vapour, improve energy utilization rate;
4, bring into play the potentiality of fluidization, realized the cracking rapidly and efficiently of coal, the equipment efficiency of usage height.
Claims (6)
1. the device of an efficient fast pyrogenation coal, comprise crushing-separating apparatus, drying bed (3), burning bed (4), refrigerating unit (5), separator, one-level destructive distillation device (11), secondary destructive distillation device (12), gas-oil separation wash-out device, described shredder assembly (1) connects sorting unit (2), sorting unit (2) connects drying bed (3), burning bed (4) opening for feed respectively by stock chest (20), and drying bed (3) connects cleaning apparatus (23), induced draft fan (18) by coarse separator (7), thin separator (8) gaseous phase outlet successively; Described burning bed (4) top connects the fuel port of refrigerating unit (5), mixing tank (6), drying bed (3) successively by the gaseous phase outlet of coarse separator (7), thin separator (8), the solid phase outlet of the thin separator (8) behind the burning bed (4) connects the opening for feed of one-level destructive distillation device (11), and coarse separator (7) the solid phase outlet behind the burning bed (4) connects the opening for feed of one-level destructive distillation device (11), secondary destructive distillation device (12) respectively; It is characterized in that: one-level destructive distillation device (11) top connects coarse separator (7), thin separator (8) successively, coarse separator (7) the solid phase outlet of one-level destructive distillation device (11) back connects secondary destructive distillation device (12) opening for feed, and one-level destructive distillation device (11), thin separator (8) the solid phase outlet in secondary destructive distillation device (12) back also connect burning bed (4) opening for feed; Secondary destructive distillation device (12) back coarse separator (7) solid phase exports one the tunnel and connects burning bed (4) opening for feed; Thin separator (8) gaseous phase outlet in one-level destructive distillation device (11) back connects gas-oil separation wash-out device, connects secondary destructive distillation device (12) import by booster fan (19) feedback behind the gas-oil separation wash-out device; Between thin separator (8) in described burning bed (4) back and the refrigerating unit (5) combustion-supporting chamber (9) is set; Described secondary destructive distillation device (12) back coarse separator (7) solid phase exports another road and connects stock chest (20) by refrigerating unit (5).
2. the device of efficient fast pyrogenation coal as claimed in claim 1, it is characterized in that: described gas-oil separation wash-out device comprises water-and-oil separator (13), dewatering unit (14), water washing device (15), gas-holder (16) and storage tank (17), and water washing device (15) a tunnel connects dewatering unit (14), booster fan (19), gas-holder (16) successively; Another road connects water-and-oil separator (13), storage tank (17).
3. the device of efficient fast pyrogenation coal as claimed in claim 1 is characterized in that: described cleaning apparatus (23) back connects drying bed (3), burning bed (4) import respectively by recirculation blower (21), mixing tank (6).
4. the device of efficient fast pyrogenation coal as claimed in claim 1 is characterized in that: described drying bed (3) outlet exports and connects one-level destructive distillation device (11) opening for feed by the solid phase of coarse separator (7), thin separator (8).
5. the device of efficient fast pyrogenation coal as claimed in claim 2 is characterized in that: ash exhauster (22) is set behind the described water-and-oil separator (13), and ash exhauster (22) is provided with gas backstreaming pipe coupling water washing device (15) inlet.
6. as the device of claim 1 or 4 described efficient fast pyrogenation coals, it is characterized in that: behind described coarse separator (7), the thin separator (8) stock chest (20) is set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202307064U CN201737900U (en) | 2010-06-21 | 2010-06-21 | High-efficiency quick coal pyrolyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202307064U CN201737900U (en) | 2010-06-21 | 2010-06-21 | High-efficiency quick coal pyrolyzing device |
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| Publication Number | Publication Date |
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| CN201737900U true CN201737900U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202307064U Expired - Lifetime CN201737900U (en) | 2010-06-21 | 2010-06-21 | High-efficiency quick coal pyrolyzing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205283A (en) * | 2013-04-13 | 2013-07-17 | 何巨堂 | Powder dry distillation method using fluidized bed dry distillation chamber and supplementary dry distillation chamber in series |
| CN103421525A (en) * | 2012-12-03 | 2013-12-04 | 山东天力干燥股份有限公司 | Method and system for improving quality of low-rank coal |
-
2010
- 2010-06-21 CN CN2010202307064U patent/CN201737900U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103421525A (en) * | 2012-12-03 | 2013-12-04 | 山东天力干燥股份有限公司 | Method and system for improving quality of low-rank coal |
| CN103421525B (en) * | 2012-12-03 | 2015-12-09 | 山东天力干燥股份有限公司 | A kind of low-rank coal method for upgrading and system |
| CN103205283A (en) * | 2013-04-13 | 2013-07-17 | 何巨堂 | Powder dry distillation method using fluidized bed dry distillation chamber and supplementary dry distillation chamber in series |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110209 |