CN204644308U - A kind of biological fuel gas high efficiency spray refining plant - Google Patents
A kind of biological fuel gas high efficiency spray refining plant Download PDFInfo
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- CN204644308U CN204644308U CN201520110560.2U CN201520110560U CN204644308U CN 204644308 U CN204644308 U CN 204644308U CN 201520110560 U CN201520110560 U CN 201520110560U CN 204644308 U CN204644308 U CN 204644308U
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- spray
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- biological fuel
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Abstract
The utility model relates to a kind of biological fuel gas high efficiency spray refining plant, comprise spray column, spray interior passageway and spray exterior passage way is provided with in described spray column, the top of described spray interior passageway connects inlet pipe, described spray interior passageway bottom is connected with bottom spray exterior passage way, the top of described spray exterior passage way is connected to vapor pipe, is provided with atomizer in described spray interior passageway, is provided with multi-stage spray unit in described spray exterior passage way.The utility model by arranging spray interior passageway and spray exterior passage way in same spray column, and spray interior passageway in arrange atomizer and spray exterior passage way in multi-stage spray unit is set, make biological fuel gas through the one-level spray of spray interior passageway and spray exterior passage way multi-stage spray, biological fuel gas is long through spray column stroke, long for duration of contact with spray atomizing water, contact area is large, can realize biological fuel gas and fully spray, have good decontamination effect improving to biological fuel gas.The utility model can be applicable to biological fuel gas tar removing.
Description
Technical field
The utility model relates to biological fuel gas tar removing field, particularly a kind of biological fuel gas high efficiency spray refining plant.
Background technology
Biological fuel gas be biomass material by biomass gasifying furnace reaction produce containing CH
4, H
2, the composition such as CO combustible gas, can be widely used in industry and domestic heating field, be one of mode of biomass energy mass-producing efficiency utilization, can alleviate the pressure that the shortage of current traditional fossil energy and environmental pollution bring.Biological fuel gas industrial application process is divided into 3 stages: 1. biomass material is biological fuel gas by thermochemical study; 2. biological fuel gas dedusting decoking purifies; 3. biological fuel gas is used to heating equipment burning through Cemented filling.
Biomass material is a kind of carbon water organic compound, and from industry composition, oxygen level is high, and volatile matter is many; Add that the physical strength of biomass material own is not high, easily broken, produce dust.In biomass gasification process, high volatile cracking is incomplete, can produce a large amount of tar, and meanwhile, biomass, in the movement, reaction process of gasification bed, can produce the particulate matter such as certain dirt is grey, charcoal is grey.The biological fuel gas that biomass gasifying furnace is produced contains certain tar, dirt ash, and on the one hand, in fuel gas transmission process, along with fuel gas temperature declines, tar can condensation, is wrapped to form close-burning thing, adhere on its inner wall, blocking pipe, cleaning difficulty with dirt ash, charcoal are grey etc.; On the other hand, some heating field, as central gas supply, ceramic kiln etc., the application of biological fuel gas just can need meet the demands with the state of cold combustion gas, biological fuel gas needs dedusting decoking to purify, to meet the requirement of rear end heat supply user for its clean stability before terminal uses.
At present, for the minimizing technology that biological fuel gas is coal-tar middle oil, water elution is had to remove and catalytic pyrolysis two kinds.Catalytic cracking of tar effectively can reduce the coal-tar middle oil content of combustion gas, improves biological fuel gas calorific value, thus improves thermal transition efficiency.The catalyzer usage quantity using cracking catalyst biomass coke tar to carry out removing is large, it is high to require, Costco Wholesale is high, cannot regenerate, amplification system more complicated, cannot really be applied in actual industrial production process always.And water elution is except being remove the most general method of the coal-tar middle oil use of biological fuel gas at present, this purification system cost is low, simple to operate.But for demonstration project and the pilot plant of most industrial applications, washing decoking adopts spray equipment, and structure is simple one way spray or the combination of multiple spray column, one way spray tar and spray water contact area little, duration of contact is short, and tar removal effect is poor; Multi-stage spray floor space is comparatively large, and the sewage quantity of generation is large.
Utility model content
In order to overcome above-mentioned technical problem, the purpose of this utility model is to provide a kind of compact construction, purifies sufficient biological fuel gas high efficiency spray refining plant.
The technical scheme that the utility model adopts is:
A kind of biological fuel gas high efficiency spray refining plant, comprise spray column, spray interior passageway and spray exterior passage way is provided with in described spray column, the top of described spray interior passageway connects inlet pipe, described spray interior passageway bottom is connected with bottom spray exterior passage way, the top of described spray exterior passage way is connected to vapor pipe, is provided with atomizer in described spray interior passageway, is provided with multi-stage spray unit in described spray exterior passage way.
As further improvement of the utility model, described spray exterior passage way is surrounded on spray interior passageway periphery.
As further improvement of the utility model, described spray interior passageway is 1 ︰ (2 ~ 2.5) with the ratio of spray exterior passage way net sectional area.
As further improvement of the utility model, described spray interior passageway periphery is fixed with high-pressure water tank, and described atomizer is supplied water by high-pressure water tank, and described multi-stage spray unit is connected by pipeline with high-pressure water tank.
As further improvement of the utility model, described multi-stage spray unit comprises the spraying layer of more than three, and each spraying layer sets gradually along air flow line, and each spraying layer all connects high-pressure water tank by pipeline.
As further improvement of the utility model, described spraying layer comprises the annular conduit being looped around high-pressure water tank periphery, and described annular conduit is evenly equipped with some atomizing nozzles, and the injection direction of described atomizing nozzle is towards air flow line.
As further improvement of the utility model, described atomizer is towards air flow line.
As further improvement of the utility model, described atomizer is tiltedly towards air flow line and the spray direction of atomizer and air flow line are 30 ° ~ 60 °.
As further improvement of the utility model, described vapor pipe is connected to air water separator.
As further improvement of the utility model, the bottom of described spray column is provided with bilge discharge pipe.
The beneficial effects of the utility model are: the utility model by arranging spray interior passageway and spray exterior passage way in same spray column, and spray interior passageway in arrange atomizer and spray exterior passage way in multi-stage spray unit is set, make biological fuel gas through the one-level spray of spray interior passageway and spray exterior passage way multi-stage spray, biological fuel gas is long through spray column stroke, long for duration of contact with spray atomizing water, contact area is large, biological fuel gas can be realized fully spray, to biological fuel gas, there is good decontamination effect improving.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is further illustrated.
Fig. 1 is the utility model structural representation;
Fig. 2 is the vertical view of spraying layer.
Embodiment
Biological fuel gas high efficiency spray refining plant as shown in Figure 1, comprises spray column 1, is provided with spray interior passageway 2 and the spray exterior passage way 3 of separation in spray column 1.The top of spray interior passageway 2 connects inlet pipe 4, for importing biological fuel gas, spray interior passageway 2 bottom is connected with bottom spray exterior passage way 3, and the top of spray exterior passage way 3 is connected to vapor pipe 5, be provided with atomizer 7 in spray interior passageway 2, in spray exterior passage way 3, be provided with multi-stage spray unit.Biological fuel gas enters and carries out single by atomizer 7 in spray interior passageway 2 and spray decoking, enters spray exterior passage way 3 afterwards, the atomizing spray being undertaken repeatedly by multi-stage spray unit.On the one hand, gathered two spray channels, simplify the structure in single spray column 1, biological fuel gas is long through spray column 1 stroke on the other hand, long for duration of contact with spray atomizing water, and contact area is large, substantially increases spraying effect.
Preferably, spray exterior passage way 3 is surrounded on spray interior passageway 2 periphery, air inlet in the middle of being formed, the form that periphery is given vent to anger.Meanwhile, spray interior passageway 2 is 1 ︰ (2 ~ 2.5) with the ratio of spray exterior passage way 3 net sectional area, ensure that the smooth and easy of air current flow and spraying effect.
In an embodiment, spray interior passageway 2 periphery is fixed with high-pressure water tank 6, and atomizer 7 is supplied water by high-pressure water tank 6, and multi-stage spray unit is connected by pipeline with high-pressure water tank 6.High-pressure water tank 6 provides the pressure needed for atomizing spray by external high-pressure water pipe 12, and high-pressure water tank 6 is arranged in spray column 1 simultaneously for outer spray interior passageway 2 and spray exterior passage way 3 are for spray-water, has saved the occupation of land space of device.
In the present embodiment, 4 ~ 6 atomizers 7 being directly installed on high-pressure water tank 6 are distributed on spray interior passageway 2 wall, and horizontally disposed, each atomizer 7 towards upper thus meet to air flow line, atomizing spray water and biological fuel gas counter current contact.Preferably, atomizer 7 is arranged obliquely, and its spray direction and air flow line are 30 ° ~ 60 °, are preferably be 45 ° with horizontal direction, the injection amplitude of shower nozzle is 0 ° ~ 120 °, can form local countercurrent spray with entering the biological fuel gas spraying interior passageway 2.
Preferably, multi-stage spray unit comprises three spraying layers, and each spraying layer is along air flow line successively setting from the bottom to top, and each spraying layer all connects high-pressure water tank 6 by pipeline.Concrete, as shown in Figure 2, each spraying layer comprises the annular conduit 8 that a group is looped around high-pressure water tank 6 periphery, and annular conduit 8 is concentric with spray interior passageway 2, is positioned at spray exterior passage way 3 central position.Annular conduit 8 is connected with high-pressure water tank 6 by many arms 13, and annular conduit 8 is evenly equipped with 4 ~ 6 atomizing nozzles 9, atomizing nozzle 9 is installed vertically downward, and its injection direction is towards air flow line.Injection amplitude is 30 ° ~ 150 °, can form three grades of full countercurrent sprays with the biological fuel gas of spray exterior passage way 3.
Preferably, vapor pipe 5 is connected to air water separator 10, by the moisture removal in biological fuel gas.
Preferably, the bottom of spray column 1 is provided with bilge discharge pipe 11, is discharged by the water after spray.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection domain.
Claims (10)
1. a biological fuel gas high efficiency spray refining plant, comprise spray column (1), it is characterized in that: in described spray column (1), be provided with spray interior passageway (2) and spray exterior passage way (3), the top of described spray interior passageway (2) connects inlet pipe (4), described spray interior passageway (2) bottom is connected with spray exterior passage way (3) bottom, the top of described spray exterior passage way (3) is connected to vapor pipe (5), atomizer (7) is provided with in described spray interior passageway (2), multi-stage spray unit is provided with in described spray exterior passage way (3).
2. biological fuel gas high efficiency spray refining plant according to claim 1, is characterized in that: described spray exterior passage way (3) is surrounded on spray interior passageway (2) periphery.
3. biological fuel gas high efficiency spray refining plant according to claim 2, is characterized in that: described spray interior passageway (2) is 1 ︰ (2 ~ 2.5) with the ratio of spray exterior passage way (3) net sectional area.
4. biological fuel gas high efficiency spray refining plant according to claim 2, it is characterized in that: described spray interior passageway (2) periphery is fixed with high-pressure water tank (6), described atomizer (7) is supplied water by high-pressure water tank (6), and described multi-stage spray unit is connected by pipeline with high-pressure water tank (6).
5. biological fuel gas high efficiency spray refining plant according to claim 4, it is characterized in that: described multi-stage spray unit comprises the spraying layer of more than three, each spraying layer sets gradually along air flow line, and each spraying layer all connects high-pressure water tank (6) by pipeline.
6. biological fuel gas high efficiency spray refining plant according to claim 5, it is characterized in that: described spraying layer comprises the annular conduit (8) being looped around high-pressure water tank (6) periphery, described annular conduit (8) is evenly equipped with some atomizing nozzles (9), the injection direction of described atomizing nozzle (9) is towards air flow line.
7. biological fuel gas high efficiency spray refining plant according to claim 1, is characterized in that: described atomizer (7) is towards air flow line.
8. biological fuel gas high efficiency spray refining plant according to claim 7, is characterized in that: described atomizer (7) is tiltedly towards air flow line and the spray direction of atomizer (7) and air flow line are 30 ° ~ 60 °.
9. biological fuel gas high efficiency spray refining plant according to any one of claim 1 to 8, is characterized in that: described vapor pipe (5) is connected to air water separator (10).
10. biological fuel gas high efficiency spray refining plant according to any one of claim 1 to 8, is characterized in that: the bottom of described spray column (1) is provided with bilge discharge pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110560.2U CN204644308U (en) | 2015-02-13 | 2015-02-13 | A kind of biological fuel gas high efficiency spray refining plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520110560.2U CN204644308U (en) | 2015-02-13 | 2015-02-13 | A kind of biological fuel gas high efficiency spray refining plant |
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| Publication Number | Publication Date |
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| CN204644308U true CN204644308U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520110560.2U Expired - Fee Related CN204644308U (en) | 2015-02-13 | 2015-02-13 | A kind of biological fuel gas high efficiency spray refining plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525872A (en) * | 2018-03-29 | 2018-09-14 | 福州大学 | A kind of spray head for biomass cracking gases purification |
-
2015
- 2015-02-13 CN CN201520110560.2U patent/CN204644308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525872A (en) * | 2018-03-29 | 2018-09-14 | 福州大学 | A kind of spray head for biomass cracking gases purification |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20180213 |