CN105112106A - Gasification and dry-distillation system - Google Patents
Gasification and dry-distillation system Download PDFInfo
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- CN105112106A CN105112106A CN201510557075.4A CN201510557075A CN105112106A CN 105112106 A CN105112106 A CN 105112106A CN 201510557075 A CN201510557075 A CN 201510557075A CN 105112106 A CN105112106 A CN 105112106A
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Abstract
The invention discloses a gasification and dry-distillation system. The gasification and dry-distillation system comprises a first shell, a gas-solid separator, a second shell and a synthesis gas return channel, wherein a pyrolyzation chamber for forming a lifting pipe is arranged in the first shell and comprises a solid material inlet, an oil-gas-solid mixture outlet and a synthesis gas inlet; the gas-solid separator comprises an oil-gas-solid mixture inlet, an oil-gas outlet and a semi-coke material outlet; the oil-gas-solid mixture inlet is connected with the oil-gas-solid mixture outlet; the second shell comprises a gasifying chamber for forming a fluidized bed, and the gasifying chamber comprises a semi-coke material inlet, a synthesis gas outlet, a fluidizing gas inlet and a slag discharging hole; the semi-coke material inlet is connected with the semi-coke material outlet; the synthesis gas return channel is connected with the synthesis gas inlet and the synthesis gas outlet. The gasification and dry-distillation system disclosed by the embodiment of the invention has the advantages that the structure is simple, the operation is easy, and the reaction temperatures of the pyrolyzation chamber and the gasifying chamber are easily controlled.
Description
Technical field
The present invention relates to chemical field, particularly, relate to gasification distillation system.
Background technology
Conventional fluidization bed gasification furnace adopts single body of heater usually, and due to the restriction of gasification reaction temperature, single body of heater vapourizing furnace cannot meet when high carbon conversions, generates the oil gas product (aromatic hydrocarbons etc.) of high added value.Generate the oil gas products such as aromatic hydrocarbons, carry out under needing lower in temperature or that residence time of material is shorter condition, single stove vapourizing furnace cannot meet at present.
Thus, fluidized-bed gasification furnace haves much room for improvement.
Summary of the invention
The present invention is intended at least to solve one of technical problem existed in prior art.For this reason, one object of the present invention is to propose a kind of gasification distillation system, and this system architecture is simple, flexible operation, temperature of reactor control easy.
According to an aspect of the present invention, the invention provides a kind of gasification distillation system.According to embodiments of the invention, this system comprises: the first housing, has the pyrolysis chamber for the formation of riser tube in described first housing, and described pyrolysis chamber has solid materials import, the outlet of oil gas solid mixture and synthetic gas import; Gas-solid separator, described gas-solid separator has the import of oil gas solid mixture, oil gas vent and semicoke material outlet, and the import of described oil gas solid mixture exports with described oil gas solid mixture and is connected; Second housing, have the vaporizer for the formation of fluidized-bed in described second housing, described vaporizer has semicoke material inlet, syngas outlet, inlet for fluidization air and slag-drip opening, and described semicoke material inlet is connected with described semicoke material outlet; Synthetic gas backward channel, described synthetic gas backward channel is connected with described syngas outlet with described synthetic gas import.
According to the gasification distillation system of the embodiment of the present invention, structure is simple, easy operation, the temperature of reaction of pyrolysis chamber and vaporizer is easy to control, the temperature of pyrolysis chamber and vaporizer can be regulated according to demand, pyrolysis chamber and vaporizer are run under condition of different temperatures, meets when high carbon conversions, improve the demand of oil gas product (aromatic hydrocarbons etc.) growing amount of vapourizing furnace.
According to embodiments of the invention, described gas-solid separator is inertial separator or cyclonic separator.
According to embodiments of the invention, described semicoke material inlet is connected by tremie pipe with described semicoke material outlet.
According to embodiments of the invention, described first housing, the second housing, gas-solid separator and tremie pipe internal surface are provided with wear-resisting and insulating lining.
According to embodiments of the invention, described vaporizer comprises further: gas distribution grid or gas distributor, and described gas distribution grid or gas distributor are arranged on the top of described inlet for fluidization air.
According to embodiments of the invention, this system comprises further: hot-fluid feeder, and described hot-fluid feeder is connected with described pyrolysis chamber.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 shows the structural representation of the distillation system that gasifies according to an embodiment of the invention;
Fig. 2 shows the structural representation of the distillation system that gasifies according to an embodiment of the invention;
Fig. 3 shows the structural representation of the distillation system that gasifies according to an embodiment of the invention;
Fig. 4 shows the structural representation of the distillation system that gasifies according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, term " longitudinal direction ", " transverse direction ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", the orientation of the instruction such as " end " or position relationship be based on orientation shown in the drawings or position relationship, be only the present invention for convenience of description instead of require that the present invention with specific azimuth configuration and operation, therefore must can not be interpreted as limitation of the present invention.
It should be noted that, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.Further, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
According to an aspect of the present invention, the invention provides a kind of gasification distillation system.With reference to figure 1, according to embodiments of the invention, explain this system, this system comprises: the first housing 100, gas-solid separator 200, second housing 300 and synthetic gas backward channel 400.Wherein, there is in first housing 100 pyrolysis chamber 110 for the formation of riser tube, this pyrolysis chamber 110 has solid materials import 111, oil gas solid mixture outlet 113 and synthetic gas import 112, solid material enters in the pyrolysis chamber of riser tube, complicated pyrolytic reaction raw with the abundant hybrid concurrency of gas, the gas-solid mixture generated and aromatic hydrocarbon product, common composition oil gas solid mixture, gas-solid separator 200 has oil gas solid mixture import 210, oil gas vent 220 and semicoke material outlet 230, wherein, oil gas solid mixture import 210 and oil gas solid mixture export 113 and are connected, oil gas solid mixture enters in gas-solid separator 200, gas-solid separator 200 is utilized to be separated it, obtain semicoke material and gas-oil mixture, gas-oil mixture comprises synthetic gas and aromatic hydrocarbons, there is in second housing 300 vaporizer 310 for the formation of fluidized-bed, this vaporizer 310 has semicoke material inlet 312, syngas outlet 313, inlet for fluidization air 311 and slag-drip opening 314, described semicoke material inlet is connected with described semicoke material outlet, the semicoke material of separation is entered vaporizer 310, with the bed material in vaporizer and the raw gasification reaction of the abundant hybrid concurrency of vaporized chemical, the synthetic gas generated, a part enters downstream postorder system, another part synthesis is entered the pyrolysis chamber 110 of riser tube by synthetic gas import 112 through gas backward channel 400, for pyrolytic reaction.
According to the gasification distillation system of the embodiment of the present invention, structure is simple, easily operates, and the temperature of reaction of pyrolysis chamber and vaporizer is easy to control, and can regulate the temperature of pyrolysis chamber and vaporizer according to demand, pyrolysis chamber and vaporizer are run under condition of different temperatures.According to embodiments of the invention, riser tube and fluidized-bed coupling are formed gasification distillation system by the present invention, the temperature of riser tube and fluidized-bed can control respectively, overcome the restriction that existing monomer vaporizes bed gasification reaction cannot carry out under middle cold condition, gasification reaction is carried out under or condition that residence time of material is shorter lower in temperature, thus, when high carbon conversions, generate the oil gas product of high added value.
According to some embodiments of the present invention, gas-solid separator 200 is inertial separator or cyclonic separator.Thus, the good separating effect of oil gas solid mixture, in the oil gas solid mixtures that oil gas solid mixture outlet 113 is discharged, is separated through inertial separator or cyclonic separator, after semicoke material more than 90% enter vaporizer 310 by tremie pipe 500.
With reference to figure 2, according to some embodiments of the present invention, semicoke material inlet 312 is connected by tremie pipe 500 with semicoke material outlet 230.Thus, the heat resistant and wear resistant of tremie pipe is effective, long service life, the good sealing effect of system.
According to some embodiments of the present invention, the first housing, the second housing, gas-solid separator and tremie pipe internal surface are provided with wear-resisting and insulating lining (not shown).Thus, avoid reaction raw materials to cause wearing and tearing to each equipment internal surface, and carry out insulation to each equipment, prevent vaporizer from dispelling the heat, capacity usage ratio is high.
With reference to figure 3, according to some embodiments of the present invention, vaporizer 310 comprises further: gas distribution grid or gas distributor 315, and this gas distribution grid or gas distributor 315 are arranged on the top of inlet for fluidization air 311.Thus, gas distribution grid or gas distributor make fluidized gas evenly enter in the first vaporizer and the second vaporizer, evenly, fully contact with reaction raw materials.
With reference to figure 4, according to some embodiments of the present invention, this system comprises hot-fluid feeder 600 further, and this hot-fluid feeder 600 is connected with pyrolysis chamber 110, hot-fluid feeder 600 for providing steam, water or gas to pyrolysis chamber 110, and then regulates the temperature of pyrolysis chamber 110.According to the different qualities of solid materials, for ensureing maximum aromatic production in pyrolysis chamber, need the temperature out of pyrolysis chamber 110 to control at 550-750 degree Celsius.When the temperature out of pyrolysis chamber 110 is lower than 550 degrees Celsius, hot-fluid feeder 600, by improving the ratio of oxygen and steam in hot-fluid, improves the temperature out of pyrolysis chamber 110; When the temperature out of pyrolysis chamber 110 is higher than 750 degrees Celsius, hot-fluid feeder 600, by improving the ratio of water in hot-fluid, reduces the temperature out of pyrolysis chamber 110.
For the ease of understanding this gasification coupling system, according to embodiments of the invention, with reference to figure 4, to utilizing this system, the process that material processes is described: solid material (such as coal etc.) enters the pyrolysis chamber 110 of riser tube through solid materials import 111, hot-fluid feeder 600 supplies steam and gaseous mixture to pyrolysis chamber 110, synthetic gas enters pyrolysis chamber 110 through synthetic gas import 112, the raw complicated pyrolytic reaction of the abundant hybrid concurrency of gaseous mixture in solid material and pyrolysis chamber, the gas-solid mixture generated and aromatic hydrocarbon product, the said products constitutes oil gas solid mixture, this oil gas solid mixture is discharged through oil gas solid mixture outlet 113, the gas-solid separator 200 being entered downstream by oil gas solid mixture import 210 is separated, obtain oil gas and semicoke, oil gas after separation enters postorder system, semicoke after separation is entered the vaporizer 310 of fluidized-bed by semicoke material inlet 312 through tremie pipe 500, with bed material and the raw gasification reaction of the abundant hybrid concurrency of vaporized chemical, the synthetic gas generated, discharged by the syngas outlet 313 above vaporizer 310, a part enters downstream postorder system, another part synthesis is entered the pyrolysis chamber 110 of riser tube by synthetic gas import 112 through gas backward channel 400, for pyrolytic reaction.Vapourizing furnace is discharged through abundant reacted lime-ash through slag-drip opening 314 in fluidized-bed reactor.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (6)
1. gasify a distillation system, it is characterized in that, comprising:
First housing, has the pyrolysis chamber for the formation of riser tube in described first housing, described pyrolysis chamber has solid materials import, the outlet of oil gas solid mixture and synthetic gas import;
Gas-solid separator, described gas-solid separator has the import of oil gas solid mixture, oil gas vent and semicoke material outlet, and the import of described oil gas solid mixture exports with described oil gas solid mixture and is connected;
Second housing, have the vaporizer for the formation of fluidized-bed in described second housing, described vaporizer has semicoke material inlet, syngas outlet, inlet for fluidization air and slag-drip opening, and described semicoke material inlet is connected with described semicoke material outlet; And
Synthetic gas backward channel, described synthetic gas backward channel is connected with described synthetic gas import with described syngas outlet.
2. system according to claim 1, is characterized in that, described gas-solid separator is inertial separator or cyclonic separator.
3. system according to claim 1, is characterized in that, described semicoke material inlet is connected by tremie pipe with described semicoke material outlet.
4. system according to claim 1, is characterized in that, described first housing, the second housing, gas-solid separator and tremie pipe internal surface are provided with wear-resisting and insulating lining.
5. system according to claim 1, is characterized in that, described vaporizer comprises further:
Gas distribution grid or gas distributor, described gas distribution grid or gas distributor are arranged on the top of described inlet for fluidization air.
6. system according to claim 1, is characterized in that, comprises further:
Hot-fluid feeder, described hot-fluid feeder is connected with described pyrolysis chamber.
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| CN201510557075.4A CN105112106A (en) | 2015-09-02 | 2015-09-02 | Gasification and dry-distillation system |
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Cited By (3)
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| CN105647555A (en) * | 2015-12-30 | 2016-06-08 | 北京华石联合能源科技发展有限公司 | Coal gasification technological method |
| CN107619674A (en) * | 2017-10-27 | 2018-01-23 | 煤炭科学技术研究院有限公司 | The Z-path moving bed pyrolysis fluidized gasification coupling device and method of solid fuel |
| CN108102721A (en) * | 2017-12-29 | 2018-06-01 | 胜帮科技股份有限公司 | A kind of fine coal hydropyrolysis and gasification integral system and its processing method |
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Cited By (4)
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| CN105647555A (en) * | 2015-12-30 | 2016-06-08 | 北京华石联合能源科技发展有限公司 | Coal gasification technological method |
| CN105647555B (en) * | 2015-12-30 | 2018-10-09 | 北京华石联合能源科技发展有限公司 | Coal gasification process |
| CN107619674A (en) * | 2017-10-27 | 2018-01-23 | 煤炭科学技术研究院有限公司 | The Z-path moving bed pyrolysis fluidized gasification coupling device and method of solid fuel |
| CN108102721A (en) * | 2017-12-29 | 2018-06-01 | 胜帮科技股份有限公司 | A kind of fine coal hydropyrolysis and gasification integral system and its processing method |
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Application publication date: 20151202 |