CN200940132Y - A coal hydrogenation reaction device - Google Patents
A coal hydrogenation reaction device Download PDFInfo
- Publication number
- CN200940132Y CN200940132Y CN 200620045570 CN200620045570U CN200940132Y CN 200940132 Y CN200940132 Y CN 200940132Y CN 200620045570 CN200620045570 CN 200620045570 CN 200620045570 U CN200620045570 U CN 200620045570U CN 200940132 Y CN200940132 Y CN 200940132Y
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- China
- Prior art keywords
- bed
- nozzle
- air flow
- bubbling bed
- reaction device
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- 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.)
- Expired - Lifetime
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- 239000003245 coal Substances 0.000 title description 21
- 238000005984 hydrogenation reaction Methods 0.000 title description 13
- 230000005587 bubbling Effects 0.000 description 27
- 239000003250 coal slurry Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000002002 slurry Substances 0.000 description 10
- 239000003921 oil Substances 0.000 description 8
- 239000003595 mist Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010117 shenhua Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Images
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
本实用新型涉及一种煤直接液化反应装置，公开了一种煤加氢反应装置。所述煤加氢反应装置包括气流床(4)和鼓泡床(18)，所说的气流床(4)及鼓泡床(18)共含于同一圆筒形内衬耐火材料的壳体(3)中，气流床(4)在上，鼓泡床(18)在下。本实用新型的装置，能够用于一个年产500万吨油品的直接液化，日处理煤量为4万余吨，H2的传递速率加快，煤浆可多次进入反应器，能够防止沉淀发生，操作控制灵活方便，通过喷嘴自身的交叉射流和对置敷设喷嘴而形成的撞击流能很好的实现浆体雾化和雾滴与H2的混合。
The utility model relates to a coal direct liquefaction reaction device, which discloses a coal hydrogenation reaction device. The coal hydrogenation reaction device comprises an entrained bed (4) and a bubbling bed (18), and the said entrained bed (4) and the bubbling bed (18) are contained in the same cylindrical refractory-lined shell In (3), the entrained bed (4) is on the top, and the bubbling bed (18) is on the bottom. The device of the utility model can be used for the direct liquefaction of an oil product with an annual output of 5 million tons, the daily coal processing capacity is more than 40,000 tons, the transfer rate of H2 is accelerated, the coal slurry can enter the reactor multiple times, and precipitation can be prevented Occurs, the operation control is flexible and convenient, and the impact flow formed by the cross jet flow of the nozzle itself and the opposite laying nozzle can well realize the slurry atomization and the mixing of mist and H2 .
Description
Technical field
The utility model relates to a kind of DCL/Direct coal liquefaction reaction unit.
Background technology
DCL/Direct coal liquefaction is one of technology of coal system oil, and German Rule coal company (Kohleoel), Japanese new forms of energy industrial technology exploitation mechanism (NEDOL), U.S. HRI company, EXXON company have all carried out a large amount of R﹠D works.Domestic Shenhua Group Co is (about DCL/Direct coal liquefaction technology, ZL200410070249.6), Beijing Coal-Chemical Branch of Coal-Science General Academy is (about the DCL/Direct coal liquefaction reactor, ZL03102672.9) and Shanxi Inst. of Coal Chemistry, Chinese Academy of Sciences (about the DCL/Direct coal liquefaction catalyzer, ZL98102883.7) etc. unit is also studied in this area, in view of economy and technical reason, still large-scale industrial production can't be realized at present, the demand to the direct coal liquefaction technology of 〉=500 ten thousand tons of oil product scales of annual output can not be satisfied for manufacturing enterprise.
Summary of the invention
The utility model technical issues that need to address are to disclose a kind of coal hydrogenation reaction device and industrial application thereof, to satisfy the needs of DCL/Direct coal liquefaction field development.
The utility model is used for hydrogenation reaction device that DCL/Direct coal liquefaction prepares oil product and comprises that air flow bed and bubbling bed form;
Said air flow bed and bubbling bed are contained in the housing of same round shape inner lining refractory altogether, and air flow bed is last, and the bubbling bed is following;
Said air flow bed comprises:
Be arranged on the same horizontal plane of air flow bed height or several horizontal planes along on the housing periphery and or be arranged on the nozzle box at air flow bed top;
Be arranged on the nozzle in the nozzle box;
Be arranged at the bottom of the awl that is provided with outlet of air flow bed lower end;
Said nozzle is selected from the three-channel nozzle that is provided with first channel, second passage and third channel;
Said bubbling bed comprises:
Be arranged on the airway that is connected with said outlet in the bubbling bed;
Be arranged on the drainage tube of airway lower end;
Be arranged on broken bubble plate bubbling bed middle part, between bubbling bed and the airway, be used for abolishing the bubble that bubbling bed air-flow produces;
Be arranged on foam catching board bubbling bed top, between bubbling bed and the airway, be used to eliminate the slurry that gas phase or bubble are carried secretly;
Square tail gas exports under being arranged on said awl;
Be arranged on brokenly the mist eliminator in bubble plate top and tail gas exit, be used for further eliminating the slurry that gas phase or bubble are carried secretly, the mist eliminator bottom is provided with slurry and exports;
Be arranged on the slurry outlet of bubbling bed lower side;
Be arranged on the ash discharging hole of bubbling bed bottom;
The above-mentioned coal hydrogenation reaction device of the present invention can be used for direct hydrogenation liquefaction of coal, the preparation oil product, and its application method comprises the steps:
Coal slurry, catalyzer and circulating solvent are sent into the nozzle second passage, with H
2Send into first and third channel of nozzle, coal slurry, catalyzer and circulating solvent atomize under the hydrogen stream effect, and particle diameter 30～200 μ m, particle suspension with opposed nozzle flow thigh bump, realize coal slurry and H again in hydrogen stream
2Further mixing, under catalyst action, coal dust carries out hydrogenation reaction in air flow bed, generates oil product;
Still unconverted coal slurry and H
2Through airway, after the drainage of drainage tube, enter the bubbling bed and proceed hydrogenation reaction, tail gas enters mist eliminator through foam catching board, discharges through the tail gas outlet, enters follow-up workshop section, after the purification pressurization, reusable edible;
The coal ash that reaction produces contains part catalyzer, coal slurry etc. and discharges from bubbling bed bottom ash discharging hole, can be used for the raw material of boiler oil or entrained flow gasification hydrogen manufacturing;
Liquid hydrocarbon of producing behind the hydrogenation and coal slurry, catalyzer are discharged through the slurry outlet, and part is sent to follow-up centrifugal station as product, collects needed product, and reclaim H
2Part is pumped to air flow bed, and circulation is with further raising gelatin liquefaction transformation efficiency.
Said catalyzer is that iron is the DCL/Direct coal liquefaction catalyzer, and the weight content of catalyzer is 1～5% of a coal slurry amount;
Said circulating solvent is the bottom product of liquid hydrocarbon through 220～500 ℃ of the isolated boiling ranges of follow-up centrifugal station.
Device of the present utility model can be used in a direct liquefaction of producing 5000000 tons of oil products per year, and a day processing coal amount is a ton surplus in the of 40,000, has following technical superiority:
(1) hydrogenation reaction is heterogeneous transmittance process, i.e. H
2Diffuse to the coal slurry surface from the convection current of gas phase main body, cross gas phase viscous flow film by molecular diffusion again, reach the coal slurry surface, cross liquid phase viscous flow film by molecular diffusion again, just can reach coal grain surface, under catalyzer and suitable temperature, pressure effect, finally finish hydrogenation reaction, finish from the conversion of coal to oil product.Above-mentioned transmittance process speed is with all multifactor relevant, but is directly proportional with mass transfer surfaces, and the composite bed reactor of being made up of air flow bed and bubbling bed that the utility model proposes will make mass transfer surfaces increase hundreds of times, will accelerate transfer rate greatly undoubtedly, that is accelerate H
2Speed of reaction.
(2) the disclosed reactor of the utility model is a recirculation reactor, and for improving the transformation efficiency of coal slurry, coal slurry can repeatedly enter reactor.
(3) in bubbling bed bottom, the outer survey of airway is provided with the drainage tube, works as H
2Air flow stream is out-of-date, will cause the slurry internal recycle, prevents that precipitation from taking place.
(4) operation control is very flexible.
(5) cross jet by nozzle self and opposedly lay the percussion flow that forms and well to realize slurry atomizing and droplet and H
2Mixing.
Description of drawings
Fig. 1 is a hydrogenation reaction apparatus structure synoptic diagram.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the nozzle arrangements synoptic diagram.
Fig. 4 is that the B-B of Fig. 3 is to sectional view.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model is used for hydrogenation reaction device that DCL/Direct coal liquefaction prepares oil product and comprises that air flow bed 4 and bubbling bed 18 form;
Said air flow bed 4 and bubbling bed 18 are contained in the housing 3 of same round shape inner lining refractory 20 altogether, and air flow bed 4 is last, and bubbling bed 18 is descending both coaxial lines.
Said air flow bed 4 comprises:
Be arranged on the same horizontal plane of air flow bed height or several horizontal planes along the nozzle box 1 of housing periphery and or be arranged on the nozzle box 19 at air flow bed top;
Be arranged on the nozzle 2 in nozzle box 1 and the nozzle box 19;
The position of nozzle 2 in the said nozzle box 1 is H along the horizontal plane of housing periphery first row's nozzle 2 apart from nozzle box, air flow bed upper end distance, and the ratio H/D of the inside diameter D of itself and air flow bed should be 0.5～2.Each horizontal plane upper edge periphery is provided with even numbers of nozzles, nozzle box 1 and nozzle 2 coaxial lines, and each is to the axis normal of nozzle coaxial line and air flow bed and at a distance of 180 degree.
In the said nozzle box 19 several nozzles 2 can be set, the axis of nozzle 2 is parallel with the axis of air flow bed 4.
What be arranged on the air flow bed lower end is provided with at the bottom of outlet 10 the awl 5;
Said nozzle 2 is selected from the three-channel nozzle that is provided with first channel 201, second passage 202 and third channel 203, as shown in Figure 3 and Figure 4, preferably adopts the nozzle described in the granted patent ZL95111750.5 that the contriver proposes;
Said bubbling bed 18 comprises:
Be arranged on the airway 8 that is connected with said outlet 10 in the bubbling bed;
Be arranged on the drainage tube 7 of airway 8 lower ends;
Be arranged on broken bubble plate 12 bubbling bed 18 middle parts, between bubbling bed and the airway 8;
Be arranged on foam catching board 13 bubbling bed 18 tops, between bubbling bed and the airway 8;
Be arranged on the tail gas outlet 11 of 5 belows at the bottom of the said awl;
Be arranged on brokenly the mist eliminator 14 and 15 that bubble plate 13 tops and tail gas export 11 places, can adopt silk screen;
Be arranged on the slurry outlet opening 17 under the mist eliminator 14;
Be arranged on the slurry outlet opening 16 under the mist eliminator 15;
Be arranged on the slurry outlet 6 of bubbling bed 18 lower sides;
Be arranged on the ash discharging hole 9 of bubbling bed 18 bottoms.
Claims (6)
1. a coal hydrogenation reaction device is characterized in that, comprises air flow bed (4) and bubbling bed (18) composition;
Said air flow bed (4) and bubbling bed (18) are contained in the housing (3) of same round shape inner lining refractory (20) altogether, and air flow bed (4) is last, and bubbling bed (18) is following;
Said air flow bed (4) comprising:
Be arranged on the same horizontal plane of air flow bed height or several horizontal planes along the nozzle box (1) of housing periphery and or be arranged on the nozzle box (19) at air flow bed top;
Be arranged on the nozzle (2) in nozzle box (1), (19);
Be arranged on (5) at the bottom of the awl that is provided with outlet (10) of air flow bed lower end;
Said bubbling bed (18) comprising:
Be arranged on the airway (8) that is connected with said outlet (10) in the bubbling bed;
Be arranged on the drainage tube (7) of airway (8) lower end;
Be arranged on broken bubble plate (12) bubbling bed (18) middle part, between bubbling bed and the airway (8);
Be arranged on foam catching board (13) bubbling bed (18) top, between bubbling bed and the airway (8);
Be arranged on the tail gas outlet (11) of (5) below at the bottom of the said awl;
Be arranged on brokenly mist eliminator (14), (15) that bubble plate (13) top and tail gas outlet (11) is located;
Be arranged on the slurry outlet opening (17) of mist eliminator (14) bottom;
Be arranged on the slurry outlet opening (16) of mist eliminator (15) bottom;
Be arranged on the slurry outlet (6) of bubbling bed (18) lower side;
Be arranged on the ash discharging hole (9) of bubbling bed (18) bottom.
2. coal hydrogenation reaction device according to claim 1 is characterized in that, air flow bed (4) and bubbling bed (18) coaxial line.
3. coal hydrogenation reaction device according to claim 1, it is characterized in that, the position of nozzle (2) in the said nozzle box (1) is H along the horizontal plane of housing periphery first row's nozzle (2) apart from nozzle box, air flow bed upper end distance, and the ratio H/D of the inside diameter D of itself and air flow bed is 0.5～2.
4. coal hydrogenation reaction device according to claim 3, it is characterized in that, each horizontal plane upper edge periphery is provided with even numbers of nozzles, and each is to the axis normal of nozzle coaxial line and air flow bed and at a distance of 180 degree, nozzle (2) places nozzle box (1) and the two coaxial line.
5. coal hydrogenation reaction device according to claim 1 is characterized in that, several nozzles (2) can be set in said nozzle box (19), and the axis of nozzle (2) is parallel with the axis of air flow bed (4).
6. coal hydrogenation reaction device according to claim 1 is characterized in that, said nozzle (2) is selected from the three-channel nozzle that is provided with first channel (201), second passage (202) and third channel (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045570 CN200940132Y (en) | 2006-09-06 | 2006-09-06 | A coal hydrogenation reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045570 CN200940132Y (en) | 2006-09-06 | 2006-09-06 | A coal hydrogenation reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200940132Y true CN200940132Y (en) | 2007-08-29 |
Family
ID=38746313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045570 Expired - Lifetime CN200940132Y (en) | 2006-09-06 | 2006-09-06 | A coal hydrogenation reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200940132Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112175654A (en) * | 2019-07-04 | 2021-01-05 | 南京延长反应技术研究院有限公司 | Fluidized bed enhanced reaction system and process for direct coal liquefaction |
| CN112175653A (en) * | 2019-07-04 | 2021-01-05 | 南京延长反应技术研究院有限公司 | Coal liquefaction enhanced reaction system and method |
-
2006
- 2006-09-06 CN CN 200620045570 patent/CN200940132Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112175654A (en) * | 2019-07-04 | 2021-01-05 | 南京延长反应技术研究院有限公司 | Fluidized bed enhanced reaction system and process for direct coal liquefaction |
| CN112175653A (en) * | 2019-07-04 | 2021-01-05 | 南京延长反应技术研究院有限公司 | Coal liquefaction enhanced reaction system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070829 |
|
| EXPY | Termination of patent right or utility model |