CN102389752B - Multifunctional gas-solid fluidized bed process evaluation system and method - Google Patents
Multifunctional gas-solid fluidized bed process evaluation system and method Download PDFInfo
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- CN102389752B CN102389752B CN 201110285750 CN201110285750A CN102389752B CN 102389752 B CN102389752 B CN 102389752B CN 201110285750 CN201110285750 CN 201110285750 CN 201110285750 A CN201110285750 A CN 201110285750A CN 102389752 B CN102389752 B CN 102389752B
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- 239000007787 solid Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000011156 evaluation Methods 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 230000005587 bubbling Effects 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 61
- 238000005516 engineering process Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000008676 import Effects 0.000 claims description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims description 7
- 239000008367 deionised water Substances 0.000 claims description 7
- 229910021641 deionized water Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 230000003134 recirculating effect Effects 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 239000000376 reactant Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002309 gasification Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 2
- 238000005243 fluidization Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a multifunctional gas-solid fluidized bed process evaluation system and method. The method comprises the following steps that: two routes of gas are respectively fed by a gas buffer tank and a steam producer, i.e. gas is fed into a fluidized bed reactor by a gas heating furnace and a fixed bed reactor to react with solid particle reactants; and after being cooled in a first-level cooler, a gas product produced by the fluidized bed reactor is fed into a first-level gas-liquid separator to realize gas-liquid separation, the liquid separated by the first-level gas-liquid separator is stored in a first-level liquid storage tank and metered by a first-level electronic scale, the gas separated by the first-level gas-liquid separator is fed into a second-level cooler to be cooled to room temperature, then the obtained product is fed into a second-level gas-liquid separator to complete gas-liquid separation, the liquid separated by the second-level gas-liquid separator is stored in a second-level liquid storage tank and metered by a second-level electronic scale, and the tail gas separated by the second-level gas-liquid separator is metered by a tail gas meter. By using the system disclosed by the invention, the evaluation on various relevant processes of gas-solid system fixed beds, bubbling beds, turbulent beds, circulating fluidized beds and the like can be completed; and the system is low in equipment investment and easy to operate.
Description
Technical field
The present invention relates to a kind of fluidization application technology, relate in particular to the solid fluid bed technology assessment system and method for a kind of Multifunctional, air.
Background technology
Fluidization technology has been widely applied to various fields such as chemical industry, petrochemical industry, metallurgy, the energy, material, biochemical environmental protection, pharmacy.Yet, because the inhomogeneities of the interior two-phase flow structure of fluidized-bed reactor and the polymorphism in basin make the fluidized-bed process of different field have salient feature.Therefore, fluidized-bed process all needs it is estimated before every field is used, even in same territory, because the difference of process conditions also needs related process is estimated.
In the prior art, the traditional design thinking of fluidized-bed process evaluation system is according to technological requirement fluidized-bed reactor to be fixed as a certain type, relevant operating condition (as: temperature, pressure, gas flow, mass of solid particles flow rate etc.) is limited in the very narrow interval, after in case technology assessment is finished, this technology assessment system is difficult to be used further to estimate other technologies, the result causes the serious waste of experimental resources, and R﹠D costs increase considerably, and is unfavorable for the sound development of enterprise.
Summary of the invention
The purpose of this invention is to provide the solid fluid bed technology assessment system and method for a kind of Multifunctional, air, this system can finish the evaluation of multiple related process such as gas-solid system fixed bed, bubbling bed, turbulent bed and recirculating fluidized bed, and equipment investment is few, and is easy to operate.
The objective of the invention is to be achieved through the following technical solutions:
The solid fluid bed technology assessment of Multifunctional, air of the present invention system, comprise the gas buffer jar, Steam generating furnace, the import of described gas buffer jar is connected with the unstripped gas pipeline, the import of described Steam generating furnace is connected with the deionized water pipeline by measuring pump, the outlet of described gas buffer jar converges the back with the outlet of described Steam generating furnace and is connected with the import of gas heating stove, the outlet of described gas heating stove is connected with the import of fixed bed reactors bottom, the outlet at described fixed bed reactors top is connected with the import of fluidized-bed reactor bottom, the bottom of described fluidized-bed reactor is provided with the solid discharge port, and the top of described fluidized-bed reactor is connected with the vacuum feed pipe;
The outlet at described fluidized-bed reactor top is connected successively with one-level cooler, one-level gas-liquid separator, one-level fluid reservoir, and the bottom of described one-level fluid reservoir is provided with the one-level electronic scale;
The gas vent of described one-level gas-liquid separator is connected successively with secondary coolers, secondary gas-liquid separator, secondary fluid reservoir, and the bottom of described secondary fluid reservoir is provided with the secondary electrons scale;
The gas vent of described secondary gas-liquid separator is connected with the tail gas table.
The above-mentioned solid fluid bed technology assessment of Multifunctional, air system of the present invention realizes the method for gas-solid fluidized bed technology assessment, comprises processing step:
A, by the two-way gas feed, one the tunnel is the mixed material gas of pressure≤10MPa, mist through the voltage stabilizing of gas buffer jar after, in gas heating stove, be heated to temperature≤900 ℃, enter fluidized-bed reactor by fixed bed reactors then and solid particulate reagent reacts; Another road is the water charging, deionized water is after the measuring pump metering and being pressurized to pressure≤5MPa, in Steam generating furnace, be converted into water vapour, in gas heating stove, be heated to temperature≤900 ℃ then, enter fluidized-bed reactor by fixed bed reactors at last and solid particulate reagent reacts;
Described two-way gas feeding manner uses simultaneously or uses separately;
The gaseous product that B, described fluidized-bed reactor produce is after the cooling of one-level cooler, enter the one-level gas-liquid separator and realize gas-liquid separation, the fluid storage of separating is in the one-level fluid reservoir, the amount of liquid of one-level fluid reservoir is measured by the one-level electronic scale, the gas that the one-level gas-liquid separator separates is come out enters the secondary coolers cool to room temperature again, enter the secondary gas-liquid separator then and finish gas-liquid separation, the fluid storage of separating is in the secondary fluid reservoir, the amount of liquid of secondary fluid reservoir is by the metering of secondary electrons scale, and the tail gas of secondary gas-liquid separator separates is measured by the tail gas table.
As seen from the above technical solution provided by the invention, the solid fluid bed technology assessment system and method for Multifunctional, air provided by the invention, owing to comprise gas buffer jar and Steam generating furnace two-way gas feed, enter fluidized-bed reactor and solid particulate reagent reacts by gas heating stove, fixed bed reactors.The gaseous product that fluidized-bed reactor produces is after the cooling of one-level cooler, enter the one-level gas-liquid separator and realize gas-liquid separation, the fluid storage of separating is measured in the one-level fluid reservoir and by the one-level electronic scale, the gas that the one-level gas-liquid separator separates is come out enters the secondary coolers cool to room temperature again, enter the secondary gas-liquid separator then and finish gas-liquid separation, the fluid storage of separating is measured in the secondary fluid reservoir and by the secondary electrons scale, the tail gas of secondary gas-liquid separator separates is measured by the tail gas table, can finish gas-solid system fixed bed, the bubbling bed, the evaluation of multiple related process such as turbulent bed and recirculating fluidized bed, equipment investment is few, and is easy to operate.
Description of drawings
Fig. 1 is the principle schematic of the solid fluid bed technology assessment of a kind of Multifunctional, air of the present invention system.
Among the figure: 1, gas buffer jar, 2, measuring pump, 3, Steam generating furnace, 4, gas heating stove, 5, fixed bed reactors, 6, fluidized-bed reactor, 7, one-level cooler, 8, the one-level gas-liquid separator, 9, the one-level fluid reservoir, 10, one-level electronic scale, 11, secondary coolers, 12, the secondary gas-liquid separator, 13, the secondary fluid reservoir, 14, secondary electrons scale, 15, the tail gas table.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
The solid fluid bed technology assessment of Multifunctional, air of the present invention system, its preferable specific embodiment be as shown in Figure 1:
Comprise the gas buffer jar, Steam generating furnace, the import of described gas buffer jar is connected with the unstripped gas pipeline, the import of described Steam generating furnace is connected with the deionized water pipeline by measuring pump, the outlet of described gas buffer jar converges the back with the outlet of described Steam generating furnace and is connected with the import of gas heating stove, the outlet of described gas heating stove is connected with the import of fixed bed reactors bottom, the outlet at described fixed bed reactors top is connected with the import of fluidized-bed reactor bottom, the bottom of described fluidized-bed reactor is provided with the solid discharge port, and the top of described fluidized-bed reactor is connected with the vacuum feed pipe;
The outlet at described fluidized-bed reactor top is connected successively with one-level cooler, one-level gas-liquid separator, one-level fluid reservoir, and the bottom of described one-level fluid reservoir is provided with the one-level electronic scale;
The gas vent of described one-level gas-liquid separator is connected successively with secondary coolers, secondary gas-liquid separator, secondary fluid reservoir, and the bottom of described secondary fluid reservoir is provided with the secondary electrons scale;
The gas vent of described secondary gas-liquid separator is connected with the tail gas table.
The described fixed bed reactors outside and the described fluidized-bed reactor outside are respectively equipped with heating furnace.
Described one-level fluid reservoir and secondary fluid reservoir are respectively equipped with the liquid sampling mouth; The gas outlet of described secondary gas-liquid separator is provided with the gas sample mouth.
The above-mentioned solid fluid bed technology assessment of Multifunctional, air system of the present invention realizes the method for gas-solid fluidized bed technology assessment, and its preferable specific embodiment comprises processing step as shown in Figure 1:
A, by the two-way gas feed, one the tunnel is the mixed material gas of pressure≤10MPa, mist through the voltage stabilizing of gas buffer jar after, in gas heating stove, be heated to temperature≤900 ℃, enter fluidized-bed reactor by fixed bed reactors then and solid particulate reagent reacts; Another road is the water charging, deionized water is after the measuring pump metering and being pressurized to pressure≤5MPa, in Steam generating furnace, be converted into water vapour, in gas heating stove, be heated to temperature≤900 ℃ then, enter fluidized-bed reactor by fixed bed reactors at last and solid particulate reagent reacts;
Described two-way gas feeding manner uses simultaneously or uses separately;
The gaseous product that B, described fluidized-bed reactor produce is after the cooling of one-level cooler, enter the one-level gas-liquid separator and realize gas-liquid separation, the fluid storage of separating is in the one-level fluid reservoir, the amount of liquid of one-level fluid reservoir is measured by the one-level electronic scale, the gas that the one-level gas-liquid separator separates is come out enters the secondary coolers cool to room temperature again, enter the secondary gas-liquid separator then and finish gas-liquid separation, the fluid storage of separating is in the secondary fluid reservoir, the amount of liquid of secondary fluid reservoir is by the metering of secondary electrons scale, and the tail gas of secondary gas-liquid separator separates is measured by the tail gas table.
In the described steps A, loading catalyst uses or empty bed use in the described fixed bed reactors;
Described fluidized-bed reactor can be operated under fixed bed, bubbling bed, turbulent bed or recirculating fluidized bed condition;
Described solid particle can adopt the charging of negative pressure of vacuum mode, granularity≤10mm.
Among the described step B, the cooling medium of described one-level cooler can be cold process gas, and the cooling medium of described secondary coolers can be the room temperature demineralized water.
Specific embodiment:
Referring to Fig. 1, be example with powdered coal fluidized bed gasification technology assessment system again, coal dust is loaded in the fluidized-bed reactor 6 by the negative pressure of vacuum mode, and fluidized-bed reactor 6 is operated under the recirculating fluidized bed condition.Gasifying medium is selected oxygen and water vapour, pressure is that the oxygen of 4MPa is introduced into 1 voltage stabilizing of gas buffer jar, deionized water is through measuring pump 2 metering and after being pressurized to pressure and being 4MPa, in Steam generating furnace 3, be converted into water vapour, behind the water vapour and the oxygen mix from gas buffer jar 1 that Steam generating furnace 3 produces, enter together and be heated to 900 ℃ in the gas heating stove 4, enter in the fluidized-bed reactor 6 by unloaded fixed bed reactors 5 at last and react with the coal dust generating gasification; The gasification gas that fluidized-bed reactor 6 produces is earlier after 7 coolings of one-level cooler, enter one-level gas-liquid separator 8 and realize gas-liquid separation, the fluid storage of separating is in one-level fluid reservoir 9, the amount of liquid of one-level fluid reservoir 9 is by 10 meterings of one-level electronic scale, the gas that one-level gas-liquid separator 8 is separated enters secondary coolers 11 cool to room temperature again, enter secondary gas-liquid separator 12 then and finish gas-liquid separation, the fluid storage of separating is in secondary fluid reservoir 13, the amount of liquid of secondary fluid reservoir 13 is by 14 meterings of secondary electrons scale, and the coal gas that secondary gas-liquid separator 13 separates is measured by tail gas table 15.
The above; only for the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. the solid fluid bed technology assessment of Multifunctional, air system, it is characterized in that, comprise the gas buffer jar, Steam generating furnace, the import of described gas buffer jar is connected with the unstripped gas pipeline, the import of described Steam generating furnace is connected with the deionized water pipeline by measuring pump, the outlet of described gas buffer jar converges the back with the outlet of described Steam generating furnace and is connected with the import of gas heating stove, the outlet of described gas heating stove is connected with the import of fixed bed reactors bottom, the outlet at described fixed bed reactors top is connected with the import of fluidized-bed reactor bottom, the bottom of described fluidized-bed reactor is provided with the solid discharge port, and the top of described fluidized-bed reactor is connected with the vacuum feed pipe;
The outlet at described fluidized-bed reactor top is connected successively with one-level cooler, one-level gas-liquid separator, one-level fluid reservoir, and the bottom of described one-level fluid reservoir is provided with the one-level electronic scale;
The gas vent of described one-level gas-liquid separator is connected successively with secondary coolers, secondary gas-liquid separator, secondary fluid reservoir, and the bottom of described secondary fluid reservoir is provided with the secondary electrons scale;
The gas vent of described secondary gas-liquid separator is connected with the tail gas table.
2. the solid fluid bed technology assessment of Multifunctional, air according to claim 1 system is characterized in that, the described fixed bed reactors outside and the described fluidized-bed reactor outside are respectively equipped with heating furnace.
3. the solid fluid bed technology assessment of Multifunctional, air according to claim 2 system is characterized in that, described one-level fluid reservoir and secondary fluid reservoir are respectively equipped with the liquid sampling mouth; The gas outlet of described secondary gas-liquid separator is provided with the gas sample mouth.
4. a claim 1, the solid fluid bed technology assessment of 2 or 3 described Multifunctional, airs system realize the method for gas-solid fluidized bed technology assessment, it is characterized in that, comprise processing step:
A, by the two-way gas feed, one the tunnel is the mixed material gas of pressure≤10MPa, mist through the voltage stabilizing of gas buffer jar after, in gas heating stove, be heated to temperature≤900 ℃, enter fluidized-bed reactor by fixed bed reactors then and solid particulate reagent reacts; Another road is the water charging, deionized water is after the measuring pump metering and being pressurized to pressure≤5MPa, in Steam generating furnace, be converted into water vapour, in gas heating stove, be heated to temperature≤900 ℃ then, enter fluidized-bed reactor by fixed bed reactors at last and solid particulate reagent reacts;
Described two-way gas feeding manner uses simultaneously or uses separately;
The gaseous product that B, described fluidized-bed reactor produce is after the cooling of one-level cooler, enter the one-level gas-liquid separator and realize gas-liquid separation, the fluid storage of separating is in the one-level fluid reservoir, the amount of liquid of one-level fluid reservoir is measured by the one-level electronic scale, the gas that the one-level gas-liquid separator separates is come out enters the secondary coolers cool to room temperature again, enter the secondary gas-liquid separator then and finish gas-liquid separation, the fluid storage of separating is in the secondary fluid reservoir, the amount of liquid of secondary fluid reservoir is by the metering of secondary electrons scale, and the tail gas of secondary gas-liquid separator separates is measured by the tail gas table.
5. the solid fluid bed technology assessment of Multifunctional, air according to claim 4 system realizes the method for gas-solid fluidized bed technology assessment, it is characterized in that, in the described steps A, loading catalyst uses or empty bed use in the described fixed bed reactors;
Described fluidized-bed reactor is operated under fixed bed, bubbling bed, turbulent bed or recirculating fluidized bed condition;
Described solid particle adopts the charging of negative pressure of vacuum mode, granularity≤10mm.
6. the solid fluid bed technology assessment of Multifunctional, air according to claim 5 system realizes the method for gas-solid fluidized bed technology assessment, it is characterized in that, among the described step B, the cooling medium of described one-level cooler is cold process gas, and the cooling medium of described secondary coolers is the room temperature demineralized water.
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| CN112206723B (en) * | 2020-04-20 | 2023-08-29 | Hte高通量实验公司 | Device and method for testing heterogeneously catalyzed reactions |
| CN113368786B (en) * | 2021-06-10 | 2022-11-04 | 浙江久立特材科技股份有限公司 | Mixed atmosphere high-temperature gas-solid reaction device containing water vapor and control method |
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