CN205329061U - Vertical reactor based on immobilized enzyme is arranged to porous ceramic step - Google Patents
Vertical reactor based on immobilized enzyme is arranged to porous ceramic step Download PDFInfo
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- CN205329061U CN205329061U CN201521143713.XU CN201521143713U CN205329061U CN 205329061 U CN205329061 U CN 205329061U CN 201521143713 U CN201521143713 U CN 201521143713U CN 205329061 U CN205329061 U CN 205329061U
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- reaction cavity
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Abstract
The utility model provides a vertical reactor based on immobilized enzyme is arranged to porous ceramic step, there be the column reaction cavity of setting on the base, the lid is the apron of port above that, become to have the inlet port on the base, there is the absorption liquid import at the top of column reaction cavity, the bottom is provided with reaction product outlet, it is inside by lower supreme strong oxidation adsorption film and the perforated plate of being provided with, be provided with the organic glass stick along the internal the central axis of column reaction chamber on, the upper end connection cover plate of organic glass stick, the perforated plate is connected to the lower extreme, the internal top that is located the perforated plate of column reaction chamber is provided with the immobilized enzyme carrier structure more than the two -stage, the internal pressure sensor that is provided with respectively of column reaction chamber, the pH electrode, gas sampling breathing pipe and gas sampling muffler, be formed with corresponding pressure sensor on the apron respectively, the pH electrode, the pressure signal delivery outlet of gas sampling breathing pipe and gas sampling muffler, the pH output electrode hole, suction hole and return -air hole. The utility model discloses showing and carrying the absorptive reaction rate of CO2, reducing the energy consumption.
Description
Technical field
This utility model relates to a kind of for CO in flue gas after burning2The device of trapping。Particularly relating to one utilizes immobilization carbonic anhydrase to accelerate CO in flue gas2The vertical reactor arranging immobilized enzyme based on porous ceramics step absorbed。
Background technology
CO2Trapping and Plugging Technology Applied can effectively solve carbon emission and greenhouse effect problem, CO in flue gas after burning2Trapping mainly by physics and chemical absorption method, but there is high cost and the problem such as energy consumption is big。Carbonic anhydrase can by CO2Quick catalysis is converted into HCO3 -, reaction rate can by 6.2 × 10-3s-1Bring up to 106s-1, it is the maximally effective CO found so far2Hydrase catalyst。By the CO in flue gas2Utilize CA enzyme catalysis absorption and separation out, CO can be effectively facilitated2Absorption, accelerate CO2Trapping speed, be have promising CO2Trapping application technology。Enzyme is easy in inactivation under the conditions such as high temperature, strong acid-base and organic solvent, limits it and is widely used。Immobilization technology not only can make enzyme be easily isolated, and is also beneficial to the raising of enzyme stability, and immobilized enzyme has definite shape and mechanical strength, can fill in reactor, it is simple to produce continuously。Utilize immobilization carbonic anhydrase CO after reactor trapping burning2The problem being primarily present is: owing to containing dust granules and SO in flue gas2Deng pollutant, reduce the vigor of immobilized enzyme, and hinder CO2Mass transfer in absorbing liquid absorbs；Absorb liquid and absorb CO in flue gas2Reaction rate low and energy consumption is high；Biphase gas and liquid flow disorder of internal organs, CO2Short in the flow process of reactor, it is impossible to fully contacting with immobilized enzyme, catalytic reaction efficiency is low；For improving reaction rate, arrange magnetic stirring apparatus in reactor, but add energy consumption and system complex；Can not collecting effective response parameter online, course of reaction controls wayward。
Summary of the invention
Technical problem to be solved in the utility model is to provide one and can solve the problem that CO after burning2The CO that trapping exists2The vertical reactor arranging immobilized enzyme based on porous ceramics step of the problems such as absorption rate is low and energy consumption is high。
This utility model be the technical scheme is that a kind of vertical reactor arranging immobilized enzyme based on porous ceramics step, include base, it is arranged on the transparent column reaction cavity on base and covers the cover plate in column reaction cavity upper port, the air inlet being formed for inputting extraneous gas to column reaction cavity through on described base, the top sidewall of described column reaction cavity is provided with absorption liquid import, bottom sidewall is provided with reacting product outlet, bottom in described column reaction cavity is disposed with the Strong oxdiative adsorbed film for the extraneous gas entered from air inlet is filtered and porous plate from the bottom to top, central axis along column reaction cavity is provided with perspex bar, the upper end of described perspex bar connects cover plate, lower end connects porous plate, what be positioned at porous plate in described column reaction cavity is provided with more than two-stage for the flue gas entering column reaction cavity carries out the fixed enzyme vector structure of catalytic reaction above through perspex bar, it is respectively arranged with pressure transducer in described column reaction cavity, pH electrode, gas sampling suction nozzle and gas sampling muffler, described cover plate is respectively formed with the pressure signal delivery outlet for running through pressure transducer output lead, for running through the pH electrode delivery outlet of described pH electrode output lead, the suction hole being connected with described gas sampling suction nozzle, and the return-air hole being connected with described gas sampling muffler。
The lateral wall of described column reaction cavity is provided with the scale for reading inside liquid level。
The outside of described column reaction cavity is also cased with the water-bath sleeve for being controlled column reaction cavity internal temperature by recirculated water, the upper end sidewall of described water-bath sleeve is provided with outlet, lower end sidewall is provided with water inlet。
The described bottom in column reaction cavity is provided with the Strong oxdiative adsorbed film of more than 2 layers。
Described fixed enzyme vector structure includes porous ceramic bodies, it is loaded with immobilized enzyme in the hole of described porous ceramic bodies, the upper surface and lower surface of described porous ceramic bodies are separately provided for the upper filter screen and the lower filter screen that prevent the immobilized enzyme in porous ceramics body opening to run off。
Described fixed enzyme vector structure is enclosed within perspex bar, and by being arranged on upper filter screen upper surface and be enclosed within upper resin ring on described perspex bar, and it is arranged on lower filter screen lower surface and is enclosed within the lower resin ring on described perspex bar and be fixed on described machine Glass rod。
Described Strong oxdiative adsorbed film and porous plate are to be fixed by the resin ring being enclosed within described perspex bar。
Described air inlet is provided with 2 at described base, and described air inlet forms the flared structure of flaring in the one end being positioned at column reaction cavity。
Described pressure signal delivery outlet, pH electrode delivery outlet, suction hole and return-air hole are on the cover board for being provided separately, wherein, described pressure signal delivery outlet, suction hole and the return-air hole on the cover board corresponding medial wall place closing on column reaction cavity is arranged, and the described pH electrode delivery outlet on the cover board corresponding axis place closing on column reaction cavity is arranged。
The vertical reactor arranging immobilized enzyme based on porous ceramics step of the present utility model, for CO after burning2Trapping, Strong oxdiative adsorbed film and porous plate are arranged in bottom, effectively remove the dust granules in flue gas and SO2Deng pollutant, strengthen gas-liquid disturbance, promote CO2Mass transfer absorbs, and the immobilized enzyme based on porous ceramics is arranged at conversion zone step, significantly carries CO2The reaction rate absorbed, reduces energy consumption, extends immobilized enzyme and CO in flue gas2Contact area and time of contact, improve enzymatic reaction efficiency, be conducive to product to separate, effecting reaction parameter can be collected online, course of reaction is easily controlled。
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that this utility model arranges the vertical reactor of immobilized enzyme based on porous ceramics step；
Fig. 2 is the enlarged diagram of fixed enzyme vector structure division in Fig. 1；
Fig. 3 is the upward view of Fig. 1；
Fig. 4 is the top view of Fig. 1。
In figure:
1: base 2: water-bath sleeve
3: column reaction cavity 4: cover plate
5: air inlet 6: Strong oxdiative adsorbed film
7: porous plate 8: fixed enzyme vector structure
81: porous ceramic bodies 82: upper filter screen
83: lower filter screen 9: resin ring
10a: upper resin ring 10b: lower resin ring
11: perspex bar 12: water inlet
13: outlet 14: reacting product outlet
15: absorb liquid import 16: scale
17: pressure transducer 18:pH electrode
19: gas sampling suction nozzle 20: gas sampling muffler
2a: pressure signal delivery outlet 2b:pH electrode delivery outlet
21c: suction hole 21d: return-air hole
Detailed description of the invention
Arrange that the vertical reactor of immobilized enzyme be described in detail to of the present utility model based on porous ceramics step below in conjunction with embodiment and accompanying drawing。
As shown in Figure 1, the vertical reactor arranging immobilized enzyme based on porous ceramics step of the present utility model, the column reaction cavity 3 that include base 1, is arranged on base 1 and cover the cover plate 4 in column reaction cavity 3 upper port, described column reaction cavity 3 is made up of transparent organic glass。The air inlet 5 being formed for inputting extraneous gas to column reaction cavity 3 through on described base 1, the top sidewall of described column reaction cavity 3 is provided with absorption liquid import 15, bottom sidewall is provided with reacting product outlet 14, bottom in described column reaction cavity 3 is disposed with the Strong oxdiative adsorbed film 6 for the extraneous gas entered from air inlet 5 is filtered and porous plate 7 from the bottom to top, the described bottom in column reaction cavity 3 is provided with the Strong oxdiative adsorbed film 6 of more than 2 layers, central axis along column reaction cavity 3 is provided with perspex bar 11, the upper end of described perspex bar 11 connects cover plate 4, lower end connects porous plate 7, as shown in Figure 2, described Strong oxdiative adsorbed film 6 and porous plate 7 are that the logical resin ring 9 being enclosed within described perspex bar 11 is fixed。
Described Strong oxdiative adsorbed film 6 is dynamical compound Strong oxdiative modified ceramic material, and surface has been covered with cellular magnetic pole aperture, can dust granules in rapid adsorption flue gas, destroy SO2Deng the molecular structure of gas, it is oxidized to CO2And water。Flue gas after being purified by Strong oxdiative adsorbed film 6 adsorbed film is broken into more bubble again through porous plate 7, strengthens gas-liquid disturbance。
What be positioned at porous plate 7 in described column reaction cavity 3 is provided with more than two-stage for the flue gas entering column reaction cavity 3 carries out the fixed enzyme vector structure 8 of catalytic reaction above through perspex bar 11, it is respectively arranged with pressure transducer 17 in described column reaction cavity 3, pH electrode 18, gas sampling suction nozzle 19 and gas sampling muffler 20, described cover plate 4 is respectively formed with the pressure signal delivery outlet 21a for running through pressure transducer 17 output lead, for running through the pH electrode delivery outlet 21b of described pH electrode 18 output lead, the suction hole 21c being connected with described gas sampling suction nozzle 19, and the return-air hole 21d being connected with described gas sampling muffler 20。Wherein, described pressure transducer 17 and pH electrode 18 are connected with external data acquisition system respectively, and described gas sampling suction nozzle 19 and gas sampling muffler 20 be CO infrared with outside respectively2Analyser connects, and forms CO2Gas monitoring system。
Described column reaction cavity 3 is made up of transparent organic glass, can clear view to inside reactor, and the lateral wall of described column reaction cavity 3 is provided with the scale 16 for reading inside liquid level。
The outside of described column reaction cavity 3 is also cased with the water-bath sleeve 2 for being controlled column reaction cavity 3 internal temperature by recirculated water, the upper end sidewall of described water-bath sleeve 2 is provided with outlet 13, lower end sidewall is provided with water inlet 12。The described water inlet 12 of institute and outlet 13 connect outer loop water-bath system respectively, control the temperature in reactor by recirculated water。
As shown in Figure 2, described fixed enzyme vector structure 8 includes porous ceramic bodies 81, it is loaded with immobilized enzyme in the hole of described porous ceramic bodies 81, the upper surface and lower surface of described porous ceramic bodies 81 are separately provided for the upper filter screen 82 and the lower filter screen 83 that prevent the immobilized enzyme in porous ceramic bodies 81 hole to run off, load enzyme amount size is changed by being arranged in the quantity of immobilized enzyme particle in porous ceramic bodies 81, based on porous ceramic bodies 81 immobilized enzyme along axis from down to up, load enzyme amount from large to small, is arranged at conversion zone step。
Described immobilized enzyme is fixed by chemistry and cross-linking method by the sodium alginate modifiied, and the immobilization carbonic anhydrase of preparation is the gel particle with certain mechanical strength, and particle diameter is 2mm。
Described fixed enzyme vector structure 8 is enclosed within perspex bar 11, and by being arranged on upper filter screen 82 upper surface and be enclosed within upper resin ring 10a on described perspex bar 11, and it is arranged on lower filter screen 83 lower surface and is enclosed within the lower resin ring 10b on described perspex bar 11 and be fixed on described machine Glass rod 11。Namely reached to pass through the purpose of the fixing fixed enzyme vector structure 8 of physical force。
As it is shown on figure 3, described air inlet 5 is provided with 2 at described base 1, described air inlet 5 forms the flared structure of flaring in the one end being positioned at column reaction cavity 3, and flue gas is passed into reactor by air inlet 5。
As shown in Figure 4, described pressure signal delivery outlet 21a, pH electrode delivery outlet 21b, suction hole 21c and return-air hole 21d on cover plate 4 for being provided separately, wherein, described pressure signal delivery outlet 21a, suction hole 21c and return-air hole 21d corresponding medial wall place closing on column reaction cavity 3 on cover plate 4 is arranged, and described pH electrode delivery outlet 21b corresponding axis place closing on column reaction cavity 3 on cover plate 4 is arranged。
The liquid level H of liquid is absorbed before can read reaction by the scale 16 outside column reaction cavity 30With the height H of liquid level after reaction, the volume mixing gas bubbles in reaction system can represent with void fraction β, such as following formula:
β=(H-H0)/H0× 100%
In embodiment of the present utility model, the diameter of Strong oxdiative adsorbed film 6 is 50mm, and the thickness of monolayer Strong oxdiative adsorbed film 6 is 5mm, arranges two-layer adsorbed film bottom column reaction cavity 3；Porous plate 7 diameter 50mm, thickness is 8mm, is uniformly distributed 300 apertures, aperture 1.5mm × 1.5mm；The diameter of porous ceramic bodies 81 is 50mm, high 15mm, and 64 column apertures of surface alignment, hole diameter is 4mm。
As it is shown on figure 3, base is provided with two air inlets 5, symmetrical, air inlet is flaring mode, and the hole diameter connecting external feed stream system is 3mm, and passing into warp in the hole of cylindrical reactor cavity is 5mm。
As shown in Figure 4, four holes on cover plate are arranged apart, are conducive to the accurate measurement of response parameter。Connecting the aperture 21b of pH electrode near axis, internal diameter is 10mm, and the aperture 21a internal diameter of Bonding pressure sensor is 5mm, connects infrared CO2Aperture 21c and the 21d of analysis system is near reactor wall, and hole diameter is 2mm。
Column reaction cavity 3 is overall adopts lucite to make, water bath sleeve bore 90mm, length 420mm, column reaction cavity internal diameter 50mm, length 520mm, dischargeable capacity 1.02L；Cover sheet thickness 20mm, base 4 thickness 50mm, the diameter of perspex bar 11 and the internal diameter of resin ring are 4mm。
Using the vertical reactor based on porous ceramics step layout immobilized enzyme of the present utility model to carry out the experiment of trapping simulated flue gas, research shows, catalytic absorption CO2Effect is notable, and the response time of 10% completes the catalytic reaction of 80.2%, and reaction starts catalytic absorption CO in 30s2Amount be the 4.2 × 10 of blank assay3Times, immobilized enzyme is continuous experimental implementation 6 times in reactor, remain to keep the enzyme activity of 50.4%。
Claims (9)
1. the vertical reactor arranging immobilized enzyme based on porous ceramics step, include base (1), it is arranged on the transparent column reaction cavity (3) on base (1) and covers the cover plate (4) in column reaction cavity (3) upper port, it is characterized in that, the upper through air inlet (5) being formed for inputting extraneous gas to column reaction cavity (3) of described base (1), the top sidewall of described column reaction cavity (3) is provided with absorption liquid import (15), bottom sidewall is provided with reacting product outlet (14), bottom in described column reaction cavity (3) is disposed with the Strong oxdiative adsorbed film (6) for the extraneous gas entered from air inlet (5) is filtered and porous plate (7) from the bottom to top, central axis along column reaction cavity (3) is provided with perspex bar (11), the upper end of described perspex bar (11) connects cover plate (4), lower end connects porous plate (7), what be positioned at porous plate (7) in described column reaction cavity (3) is provided with more than two-stage for the flue gas entering column reaction cavity (3) carries out the fixed enzyme vector structure (8) of catalytic reaction above through perspex bar (11), it is respectively arranged with pressure transducer (17) in described column reaction cavity (3), pH electrode (18), gas sampling suction nozzle (19) and gas sampling muffler (20), described cover plate (4) is respectively formed with the pressure signal delivery outlet (21a) for running through pressure transducer (17) output lead, for running through the pH electrode delivery outlet (21b) of described pH electrode (18) output lead, the suction hole (21c) being connected with described gas sampling suction nozzle (19), and the return-air hole (21d) being connected with described gas sampling muffler (20)。
2. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterised in that be provided with the scale (16) for reading inside liquid level on the lateral wall of described column reaction cavity (3)。
3. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterized in that, the outside of described column reaction cavity (3) is also cased with the water-bath sleeve (2) for being controlled column reaction cavity (3) internal temperature by recirculated water, the upper end sidewall of described water-bath sleeve (2) is provided with outlet (13), lower end sidewall is provided with water inlet (12)。
4. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterised in that the described bottom in column reaction cavity (3) is provided with the Strong oxdiative adsorbed film (6) of more than 2 layers。
5. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterized in that, described fixed enzyme vector structure (8) includes porous ceramic bodies (81), it is loaded with immobilized enzyme in the hole of described porous ceramic bodies (81), the upper surface and lower surface of described porous ceramic bodies (81) are separately provided for the upper filter screen (82) and the lower filter screen (83) that prevent the immobilized enzyme in porous ceramic bodies (81) hole to run off。
6. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 5, it is characterized in that, described fixed enzyme vector structure (8) is enclosed within perspex bar (11), and by being arranged on upper filter screen (82) upper surface and be enclosed within upper resin ring (10a) on described perspex bar (11), and it is arranged on lower filter screen (83) lower surface and is enclosed within the lower resin ring (10b) on described perspex bar (11) and be fixed on described machine Glass rod (11)。
7. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterized in that, described Strong oxdiative adsorbed film (6) and porous plate (7) are to be fixed by the resin ring (9) being enclosed within described perspex bar (11)。
8. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterized in that, described air inlet (5) is provided with 2 at described base (1), and described air inlet (5) forms the flared structure of flaring in the one end being positioned at column reaction cavity (3)。
9. the vertical reactor arranging immobilized enzyme based on porous ceramics step according to claim 1, it is characterized in that, described pressure signal delivery outlet (21a), pH electrode delivery outlet (21b), suction hole (21c) and return-air hole (21d) are upper for being provided separately at cover plate (4), wherein, described pressure signal delivery outlet (21a), the medial wall place that suction hole (21c) and return-air hole (21d) close on column reaction cavity (3) in the upper correspondence of cover plate (4) is arranged, the axis place that described pH electrode delivery outlet (21b) closes on column reaction cavity (3) in the upper correspondence of cover plate (4) is arranged。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143713.XU CN205329061U (en) | 2015-12-31 | 2015-12-31 | Vertical reactor based on immobilized enzyme is arranged to porous ceramic step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143713.XU CN205329061U (en) | 2015-12-31 | 2015-12-31 | Vertical reactor based on immobilized enzyme is arranged to porous ceramic step |
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| CN205329061U true CN205329061U (en) | 2016-06-22 |
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| CN201521143713.XU Expired - Fee Related CN205329061U (en) | 2015-12-31 | 2015-12-31 | Vertical reactor based on immobilized enzyme is arranged to porous ceramic step |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105441323A (en) * | 2015-12-31 | 2016-03-30 | 天津大学 | Vertical reactor for porous ceramic based immobilized enzyme adopting stepped layout |
| CN107083329A (en) * | 2017-05-17 | 2017-08-22 | 华侨大学 | A kind of immobilized enzyme reactor and its application based on class elastin polypeptide |
-
2015
- 2015-12-31 CN CN201521143713.XU patent/CN205329061U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105441323A (en) * | 2015-12-31 | 2016-03-30 | 天津大学 | Vertical reactor for porous ceramic based immobilized enzyme adopting stepped layout |
| CN107083329A (en) * | 2017-05-17 | 2017-08-22 | 华侨大学 | A kind of immobilized enzyme reactor and its application based on class elastin polypeptide |
| CN107083329B (en) * | 2017-05-17 | 2019-06-04 | 华侨大学 | A kind of immobilized enzyme reactor and its application based on class elastin polypeptide |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160622 Termination date: 20181231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |