CN102659074A - Device for preparing hydrogen by utilizing catalytic pulverized coal gasification - Google Patents
Device for preparing hydrogen by utilizing catalytic pulverized coal gasification Download PDFInfo
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- CN102659074A CN102659074A CN2012101541265A CN201210154126A CN102659074A CN 102659074 A CN102659074 A CN 102659074A CN 2012101541265 A CN2012101541265 A CN 2012101541265A CN 201210154126 A CN201210154126 A CN 201210154126A CN 102659074 A CN102659074 A CN 102659074A
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Abstract
The invention relates to a device for preparing hydrogen by utilizing catalytic pulverized coal gasification and belongs to the field of coal chemical equipment. The device is characterized by comprising a fluidized-bed gasification section at the lower part and a steam catalytic reforming hydrogen production section at the upper part, wherein the bottom part of the fluidized-bed gasification section is provided with a bleed hole; the top part of the bleed hole is provided with raw material inlets; a bed material layer is arranged between the bleed hole and the raw material inlets; the top part of the steam catalytic reforming hydrogen production section is provided with a blowing pipe inlet; the blowing pipe inlet is connected with a blowing pipe arranged in the steam catalytic reforming hydrogen production section; the upper part of the steam catalytic reforming hydrogen production section is provided with gas outlets; the lower ends of the gas outlets are provided with a catalyst support and dustproof net; and the catalyst support and dustproof net is provided with a catalyst bed layer. The device is simple in internal structure, sufficient in effective space, simple in operation and low in cost. A fluidized bed pulverized coal gasification reaction, a partial oxidation reaction and a steam catalytic reforming hydrogen production reaction are coupled in one reactor by the device.
Description
Technical field
The present invention relates to a kind of device that utilizes coal gasification catalysis to produce hydrogen, belong to the Coal Chemical Industry apparatus field.
Background technology
At present China has become most important in the world and has been combustion gasification and hydrogen manufacturing markets such as maximum coal, fine coal, and coal gasification apparatus has vast market prospect in China.Up to now, the pouring in of external gasification product is though provide technical support for the fast development of domestic Coal Chemical Industry industry; But because we fail to grasp the core technology that coal gasifier is made, paid many unnecessary costs simultaneously for this reason, also caused the market of Chinese billions of units to be earned by the foreign trader; We have to again to the patent rules permitted expense of foreign-made corporate payments great number, task equipment and site technology service fee; This for China so the developing country and the enterprise of a fast development also be difficult to bear, the present general expensive of gasification device for producing hydrogen introduced of China, the quantity of China's Energy production and consumption is all very big; How efficiently, rationally practice thrift and utilize the energy; This is when being convenient for people to live, and the not only annual pollution problem that produces becomes increasingly conspicuous, and price is also very expensive.With cheap fine coal is raw material, produces hydrogen through burning, gasification and CR, and cost is low, has environmental effect and society and economic benefit preferably.
Summary of the invention
Deficiency according to prior art; The technical problem that the present invention will solve is: a kind of device that utilizes coal gasification catalysis to produce hydrogen is provided; In a reactor drum, realize the coupling of reactions such as fluid bed powder coal gasification, partially oxidation and water vapour catforming hydrogen production; And simple to operate, cost is low.
The technical solution adopted for the present invention to solve the technical problems is: a kind of device that utilizes coal gasification catalysis to produce hydrogen is provided; It is characterized in that comprising the fluidized-bed gasification section of bottom and the water vapour catforming hydrogen production section on top; The fluidized-bed gasification section comprises slag-drip opening, material inlet and the bed bed of material; Fluidized-bed gasification section bottom is provided with slag-drip opening, and the slag-drip opening top is provided with material inlet, between slag-drip opening and material inlet, is provided with a bed of material; The water vapour catforming hydrogen production section comprises that beds, pneumatic outlet, the import of winding-up pipe, winding-up pipe and catalyzer support and separated grey net; Water vapour catforming hydrogen production section top is provided with the import of winding-up pipe, and the import of winding-up pipe connects the winding-up pipe that is arranged on the water vapour catforming hydrogen production intersegmental part, and water vapour catforming hydrogen production section top is provided with pneumatic outlet; The pneumatic outlet lower end is provided with catalyzer and supports and separated grey net, and catalyzer supports and is provided with beds on the net at a distance from ash.
The fluidized-bed gasification section of described bottom is the taper setting.
Described bed bed of material upper limb is lower than the material inlet lower edge.
Described catalyzer supports and is deep into water vapour catforming hydrogen production section bottom at a distance from grey net.
The present invention is that the related chemical reaction of catalytic material hydrogen manufacturing is very complicated with fine coal, and main reaction signal comprises following reaction formula:
Fine coal+H
2O+O
2→ CO+CO
2+ C
nH
mO
k
C
nH
mO
k+H
2O+O
2→CO+CO
2+H
2。
The invention has the beneficial effects as follows: internal structure is simple, has the competent useful space, helps multiphase flow and mixes and reaction.Apparatus of the present invention be provided with catalyzer support with at a distance from grey net, not only support catalyst, stop flying dust, also have the effect of gas distributor simultaneously concurrently.The present invention has realized the coupling of reactions such as fluid bed powder coal gasification, partially oxidation and water vapour catforming hydrogen production in a reactor drum, and simple to operate, and cost is low.
Description of drawings
Fig. 1 is a structural representation of the present invention;
1 is slag-drip opening among the figure; 2 is material inlet; 3 is the bed bed of material; 4 is beds; 5 is pneumatic outlet; 6 are the import of winding-up pipe; 7 are the winding-up pipe; 8 are catalyzer support and separated grey net; 9 are the fluidized-bed gasification section; 10 is the water vapour catforming hydrogen production section.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are done and to be further described:
As shown in Figure 1; The present invention includes: the fluidized-bed gasification section 9 of bottom and the water vapour catforming hydrogen production section 10 on top; Fluidized-bed gasification section 9 comprises slag-drip opening 1, material inlet 2 and the bed bed of material 3; Fluidized-bed gasification section 9 bottoms are provided with slag-drip opening 1, and slag-drip opening 1 top is provided with material inlet 2, between slag-drip opening 1 and material inlet 2, are provided with a bed of material 3; Water vapour catforming hydrogen production section 10 comprises that import 6 is managed in beds 4, pneumatic outlet 5, winding-up, jet pipe 7 and catalyzer support and separated grey net 8; Water vapour catforming hydrogen production section 10 tops are provided with the pipe import 6 of jetting, and winding-up pipe import 6 connects the winding-up pipe 7 that is arranged on water vapour catforming hydrogen production section 10 inside, and water vapour catforming hydrogen production section 10 tops are provided with pneumatic outlet 5; Pneumatic outlet 5 lower ends are provided with catalyzer and support and separated ash net 8, and catalyzer supports with separated ash net 8 and is provided with beds 4.
The fluidized-bed gasification section 9 of bottom is the taper setting.
The bed bed of material 3 upper limbs are lower than material inlet 2 lower edges.
Catalyzer supports and is deep into water vapour catforming hydrogen production section bottom at a distance from ash net 8.
Top-down winding-up pipe 7 is set,, and induction trunk is provided, vaporized chemical is also played the preheating effect, not only improved gasification intensity, also practiced thrift the energy not only as fixed support part in the device.
Claims (4)
1. device that utilizes coal gasification catalysis to produce hydrogen; It is characterized in that comprising the fluidized-bed gasification section of bottom and the water vapour catforming hydrogen production section on top; The fluidized-bed gasification section comprises slag-drip opening (1), material inlet (2) and the bed bed of material (3); Fluidized-bed gasification section bottom is provided with slag-drip opening (1); Slag-drip opening (1) top is provided with material inlet (2); Between slag-drip opening (1) and material inlet (2), be provided with a bed of material (3), the water vapour catforming hydrogen production section comprises that import (6) is managed in beds (4), pneumatic outlet (5), winding-up, (7) are managed in winding-up and catalyzer supports and separated grey net (8), and water vapour catforming hydrogen production section top is provided with winding-up and manages import (6); Winding-up pipe import (6) connects the winding-up pipe (7) that is arranged on the water vapour catforming hydrogen production intersegmental part; Water vapour catforming hydrogen production section top is provided with pneumatic outlet (5), and pneumatic outlet (5) lower end is provided with catalyzer and supports and separated grey net (8), and catalyzer supports and is provided with beds (4) at a distance from grey net (8).
2. the device that utilizes coal gasification catalysis to produce hydrogen according to claim 1, the fluidized-bed gasification section that it is characterized in that described bottom is the taper setting.
3. the device that utilizes coal gasification catalysis to produce hydrogen according to claim 1 is characterized in that the described bed bed of material (3) upper limb is lower than material inlet (2) lower edge.
4. the device that utilizes coal gasification catalysis to produce hydrogen according to claim 1 is characterized in that described catalyzer supports and is deep into water vapour catforming hydrogen production section bottom at a distance from grey net (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101541265A CN102659074A (en) | 2012-05-17 | 2012-05-17 | Device for preparing hydrogen by utilizing catalytic pulverized coal gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101541265A CN102659074A (en) | 2012-05-17 | 2012-05-17 | Device for preparing hydrogen by utilizing catalytic pulverized coal gasification |
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| Publication Number | Publication Date |
|---|---|
| CN102659074A true CN102659074A (en) | 2012-09-12 |
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ID=46768696
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101541265A Pending CN102659074A (en) | 2012-05-17 | 2012-05-17 | Device for preparing hydrogen by utilizing catalytic pulverized coal gasification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102659074A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139083A (en) * | 2007-08-23 | 2008-03-12 | 上海电力学院 | Devices for catalyzing manufacturing of hydrogen by using waste plastics and methods thereof |
-
2012
- 2012-05-17 CN CN2012101541265A patent/CN102659074A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101139083A (en) * | 2007-08-23 | 2008-03-12 | 上海电力学院 | Devices for catalyzing manufacturing of hydrogen by using waste plastics and methods thereof |
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Application publication date: 20120912 |