CN105964214A - Novel multiphase flow plate type tower reactor - Google Patents
Novel multiphase flow plate type tower reactor Download PDFInfo
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- CN105964214A CN105964214A CN201610511721.8A CN201610511721A CN105964214A CN 105964214 A CN105964214 A CN 105964214A CN 201610511721 A CN201610511721 A CN 201610511721A CN 105964214 A CN105964214 A CN 105964214A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/32—Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32203—Sheets
- B01J2219/32237—Sheets comprising apertures or perforations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32203—Sheets
- B01J2219/32248—Sheets comprising areas that are raised or sunken from the plane of the sheet
- B01J2219/32251—Dimples, bossages, protrusions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/322—Basic shape of the elements
- B01J2219/32203—Sheets
- B01J2219/32275—Mounting or joining of the blocks or sheets within the column or vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/32—Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
- B01J2219/332—Details relating to the flow of the phases
- B01J2219/3325—Counter-current flow
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses a novel multiphase flow plate type tower reactor. The novel multiphase plate type tower reactor comprises a tower body and is characterized in that a slurry settling pond or stirring tank is designed at the bottom of the tower body; the bottom of the slurry settling pond or the stirring tank adopts a conical design; a solid discharge opening is formed in the lowermost end of the slurry settling pond or the stirring tank; an air inlet channel is arranged at a position, positioned above the slurry settling pond or the stirring tank, on the bottom side face of the tower body; the air inlet channel is connected with a gas distribution device; an intermediate section of the tower body adopts a multiplayer tower plate structure; an interlayer space is reserved between every two layers of tower plates and allows gas to pass through, and a continuous flowing path formed between two layers of slurry is avoided; a slurry spraying device is arranged above the multiple layers of tower plates of the tower body and is connected with a slurry feed opening; a demister is arranged above the slurry spraying device. According to the novel multiphase plate type tower reactor disclosed by the invention, uniform dispersion of slurry at a macro level can be realized; by control over the pore sizes and the shapes of solid-liquid channels on the tower plates (or by control over the slopes of triangular sheets on the tower plates), the slurry suitable for different rheological properties can be designed; the utilization efficiency of the tower is effectively improved.
Description
Technical field
The invention belongs to chemical industry or biochemical industry or field of hydrometallurgy.
Background technology
A dispersed always difficult point between different phase in multiphase flow reaction.For quickly reacting with middling speed, so that different phase is dispersed, typically use the traditional reactor such as fluid bed, fixed bed, trickle bed, slurry bed, stirred tank.This mode is had to consume substantial amounts of mechanical energy and is contacted to the continuous uniform mixing ensureing between different phase, but for slow reaction, substantial amounts of mechanical energy consumption adds huge operating cost virtually.For gas-liquid-solid multiphase flow bioprocesses, except the increase of operating cost, the strong shear stress being vigorously mixed generation also can destroy microorganism wall, cause the death of microorganism, reduce reaction rate on the contrary.
In field of hydrometallurgy, biological oxidation pretreating process such as the gold concentrate of sulfur compound, the biological oxidation of the sulphide ore such as zinc sulfide ore, copper-sulphide ores extracts smithcraft etc., according to traditional dump leaching process, there is wide, the dump leaching time-consumingly length of floor space etc. and causes the drawback that production efficiency is low；According to stirred tank reactor, so that gas-liquid-solid mix homogeneously, reaction heat remove in time, then need to strengthen stir speed (S.S.), increase aeration rate, the strong shear stress being thus vigorously mixed generation can destroy the cell wall of antibacterial, it is unfavorable for the growth of antibacterial, being stirred continuously simultaneously and need to consume substantial amounts of energy with aeration, operating cost is high.
Summary of the invention
It is an object of the invention to provide a kind of liquid-solid disperse system of the Static Gas utilizing geometric construction to realize, reduce the novel reactor mixing shear stress in low speed course of reaction in energy expenditure, reduction system.
The object of the present invention is achieved like this, described a kind of Novel multi-phase stream plate column reactor, the reactor that i.e. remains in a standstill (Fluid holdup reactor), it is characterised in that including:
It is applicable to the plate column reactor of gas-liquid-solid multiphase flow precursor reactant operation；
Tower is internal uses special New Type of Tray (holding stream plate Fluid holdup plate), utilize the adjustment of tray designs and plate interspaces, make above drainage channel that liquid-solid two-phase can be dispersed in column plate by the supporting role of column plate and column plate, macroscopically demonstrating that gas and liquid-solid phase mixture are interspersed, described drainage channel includes solid-liquid passage and gas passage, or described drainage channel uses gas-liquid-solid passage；
Column plate primarily serves offsets the action of gravity suffered by solid-liquid two-phase mixture rather than primarily serves strengthening mass transfer, the effect of heat transfer as tradition column plate；
Under gravity, the serosity on descending trays cannot return to upper strata column plate, and therefore the liquid-solid two-phase between column plate is substantially not present back-mixing；
The gas phase time of staying does not exist with liquid-solid two-phase and associates；But liquid-solid two-phase is because forming more stable mixed serum, the time of staying has certain interrelated, and by controlling the parameters such as the concentration of serosity, surface tension, viscosity, can to realize liquid, the solid time of staying identical or different.
Described plate column reactor liquid-solid two-phase is dispersion phase, and gas phase is continuous phase, and liquid-solid two-phase is dispersed in above drainage channel and column plate by the supporting role of column plate, and contacts with the gas phase between column plate and carry out chemical reaction, it is adaptable to slow reaction (such as biological respinse).
Described column plate slow down the flowing that solid-liquid is biphase, but will not stop that solid-liquid is biphase to flow downward, and the biphase residence time destribution of solid-liquid is determined by concentration, viscosity, surface tension, stacking characteristic, External force interference and column plate geometric properties.
Described plate column reactor, above drainage channel that liquid-solid two-phase is dispersed in column plate by the supporting role of column plate and column plate, the implementation of column plate has two kinds: one, be designed to porous flat plate structure, capillary effect by the micropore of aperture 0.1-10mm, and the viscosity of serosity and surface tension effects, make serosity in certain altitude, can hang a certain amount of slurry drops below column plate, thus serosity can with continuous distribution above column plate, below micropore and column plate in certain altitude；Two, multi-disc triangular plate structure it is designed to, by the angle of inclination of column plate upper surface 0.5-30 ° and the viscosity of serosity and surface tension effects, it is achieved grout distribution column plate lower edge position at column plate upper surface and passage.Gas then may be uniformly dispersed in the column plate gap and the gas passage that do not have serosity, demonstrates the homodisperse effect of gas-liquid-solid on a macroscopic scale.
Described plate column reactor, in order to ensure that fluidity energy held by column plate, it is to avoid forming block or thread flowing between upper strata column plate serosity and descending trays serosity, column plate clearance height should be not less than 10mm.
Including tower body, one serosity sedimentation tank of the bottom design of tower body or stirring pool, use conical design at the bottom of pond, open a solids exit mouth in least significant end;The bottom sides of tower body is positioned at serosity sedimentation tank or stirring pool is arranged over inlet channel, inlet channel is connected with distribution device in gas-fluid, the interlude of tower body uses plate column plate structure, leaves interlamellar spacing supplied gas and passes through, and avoid being formed between two-layer serosity continuous flow passage between every layer of column plate；Multilamellar column plate at tower body is provided above a serosity spray equipment, and serosity spray equipment is connected with slurry feed mouth；It is provided above a demister at serosity spray equipment.
Solid that described column plate supports with unit are, liquid quality summation meter calculator have bigger holds oar performance, and the first column plate monolithic column plate THICKNESS CONTROL is between 1-50mm, and the second column plate single piece plate width is not less than 4mm.
Advantages of the present invention is:The column plate used can realize dispersed macroscopically of serosity, and without using stirring input mechanical energy to realize as stirred tank；Solid-liquid passage on column plate uses vertical holes design, it is possible to reduce move down because fouling causes solids bulk to block serosity；By controlling the pore size of solid-liquid passage on column plate, shape (or controlling the triangle plate gradient on column plate), can be designed to be applicable to the serosity of different rheological property；It is easy to change the rheological property of serosity by controlling concentration of slurry, and according to the time of staying of reaction rate regulation serosity, is effectively improved the utilization ratio of tower；By controlling gas intake and temperature, it is easy to strengthening mass transfer and heat transfer, regulate system response temperature, improve reaction rate, increase the utilization ratio of gas, it is to avoid the wasting of resources；Compared with the stirred tank reactor of traditional larger ratio of height to diameter (or slurry bed reactor), the solution pressure of device bottom is low, and vessels not under pressure can be used to design, and reduces equipment design and manufacture difficulty；In hydrometallurgy with traditional heap leaching process first than, there is response speed fast (within the response time can be controlled in 15), the feature that floor space is little；In microorganism reactor, microorganism back mixing amount can also be increased by controlling recycle slurry liquid measure, improve self-catalyzed reaction speed；Different towers may also take on serial or parallel connection mode and improve production capacity.
Therefore, the type reactor has wide market application foreground and good economic benefit.Show themselves in that
(1) application is wide.The most applicable to all multiphase flow system low speed reaction systems, particularly microbial reaction process, it is also possible to reduce the microorganism wall caused because of mixing shear stress and destroy, therefore there is the meaning of particular importance, extensive market application foreground can be produced.
(2) energy resource consumption is low.Compared with the traditional reactor such as traditional fluid bed, fixed bed, trickle bed, slurry bed, stirred tank, it is not necessary to the mechanical energy continuing a large amount of input ensure that solid even suspension and gas are dispersed.
(3) device fabrication difficulty is low.System pressure is low, it is not necessary to pressure vessel, uses tower body and column plate to manufacture respectively, and Assembling is easy to manufacture.
(4) operating cost is low.Owing to guaranteeing that the heterogeneous holding of gas-liquid-solid uniformly mixes without a large amount of input capabilities in production process, thus there is considerable benefit return.
(5) production efficiency is high.For hydrometallurgy, response speed is fast, and the response time is short, within caning be controlled in 15.
(6) floor space is little.For hydrometallurgy, compared with tradition dump leaching process, floor space is little.
Accompanying drawing explanation
Fig. 1 is the tower reactor structure design diagram of the present invention.
Fig. 2 be column plate be the column plate micro structure schematic diagram that the tower reactor of porous flat plate slows down serosity flowing.
Fig. 2-1 be column plate be the column plate micro structure schematic diagram that the tower reactor of monolithic triangular shape plate slows down serosity flowing.
Fig. 3 be column plate be tower reactor gas-liquid-solid path and the design size schematic diagram of porous flat plate.
Fig. 3-1 be column plate be tower reactor gas-liquid-solid path and the design size schematic diagram of monolithic triangular shape plate.
Fig. 4 be column plate be the tower plate structure top view of porous flat plate.
Fig. 4-1 be column plate be the tower plate structure top view of monolithic triangular shape plate.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings:
See accompanying drawing, the present invention provides a kind of Novel multi-phase stream plate column reactor, (1) design of tower reactor includes tower body, the bottom sides of tower body is positioned at serosity sedimentation tank (or stirring pool) 1 and is arranged over inlet channel, inlet channel is connected with distribution device in gas-fluid, one serosity sedimentation tank (or stirring pool) 1 of the bottom design of tower body, as solid-liquid separation tank, uses conical design, opens a solids exit mouth 2 in least significant end at the bottom of pond.The interlude of tower body uses plate column plate structure, stays next suitable interlamellar spacing supplied gas to pass through, and avoid being formed between two-layer serosity continuous flow passage between every layer of column plate 3.Column plate layer at tower body is provided above a serosity spray equipment 4, and serosity spray equipment 4 is connected with slurry feed mouth 5, is used for regulating concentration of slurry and rheological property, controls the serosity time of staying.It is provided above a demister 6 at serosity spray equipment 4, removes the drop in waste gas, reduce loss of material.
(2) design in column plate gap: column plate clearance height C is not less than 10mm.
(3) design of column plate: the implementation of column plate has two kinds:, it is designed to porous flat plate structure, monolithic column plate thickness h controls between 1-50mm, Fig. 2 be column plate be the column plate micro structure schematic diagram that the tower reactor of porous flat plate slows down serosity flowing, next suitable interlamellar spacing (i.e. column plate clearance height C) supplied gas is stayed to pass through between every layer of column plate, solid-liquid passage 7 is 0.1-10mm for the most circular or hexagonal hole and aperture d1, as slurry flow channel, on column plate, gas passage 8 is 10-100mm for circular vertical hole and aperture d3, pitch of holes d2 is 1-3mm, supplied gas flow channel；Two, multi-disc triangular plate structure it is designed to, the column plate thickness h of monolithic triangular shape plate controls between 1-50mm, Fig. 3 be column plate be tower reactor gas-liquid-solid path and the design size schematic diagram of porous flat plate, monolithic triangular shape plate upper surface is designed to the angle of inclination A of 0.5-45 °, the gas-liquid-solid passage 9 of monolithic triangular shape plate upper surface and adjacent is as slurry flow channel, single piece plate width d4 is not less than 4mm, d5 distance 4-100mm between plate, between upper and lower two monolithic triangular shape plates and the gas-liquid-solid passage of adjacent is as gas flow channel.
Claims (8)
1. a Novel multi-phase stream plate column reactor, it is characterised in that including:
It is applicable to the plate column reactor of gas-liquid-solid multiphase flow precursor reactant operation；
Tower is internal uses special New Type of Tray, utilize the adjustment of tray designs and plate interspaces, make above drainage channel that liquid-solid two-phase can be dispersed in column plate by the supporting role of column plate and column plate, macroscopically demonstrating that gas and liquid-solid phase mixture are interspersed, described drainage channel includes solid-liquid passage and gas passage, or described drainage channel uses gas-liquid-solid passage；
Column plate primarily serves offsets the action of gravity suffered by solid-liquid two-phase mixture rather than primarily serves strengthening mass transfer, the effect of heat transfer as tradition column plate；
Under gravity, the serosity on descending trays cannot return to upper strata column plate, and therefore the liquid-solid two-phase between column plate is substantially not present back-mixing；
The gas phase time of staying does not exist with liquid-solid two-phase and associates；But liquid-solid two-phase is because forming more stable mixed serum, the time of staying has certain interrelated, and by controlling the parameters such as the concentration of serosity, surface tension, viscosity, can to realize liquid, the solid time of staying identical or different.
Novel multi-phase stream plate column reactor the most according to claim 1, it is characterized in that described plate column reactor liquid-solid two-phase is dispersion phase, gas phase is continuous phase, liquid-solid two-phase is dispersed in above drainage channel and column plate by the supporting role of column plate, and contact with the gas phase between column plate and to carry out chemical reaction, it is adaptable to slow reaction.
Novel multi-phase stream plate column reactor the most according to claim 1, it is characterized in that described column plate slow down the flowing that solid-liquid is biphase, but will not stop that solid-liquid is biphase to flow downward, the biphase residence time destribution of solid-liquid is determined by concentration, viscosity, surface tension, stacking characteristic, External force interference and column plate geometric properties.
Novel multi-phase stream plate column reactor the most according to claim 1, it is characterized in that described plate column reactor, above drainage channel that liquid-solid two-phase is dispersed in column plate by the supporting role of column plate and column plate, the implementation of column plate has two kinds: one, it is designed to porous flat plate structure, capillary effect by the micropore of aperture 0.1-10mm, and the viscosity of serosity and surface tension effects, make serosity that a certain amount of slurry drops in certain altitude, can be hung below column plate, thus serosity can be with continuous distribution above column plate, below micropore and column plate in certain altitude；Two, multi-disc triangular plate structure it is designed to, by the angle of inclination of column plate upper surface 0.5-30 ° and the viscosity of serosity and surface tension effects, it is achieved grout distribution column plate lower edge position at column plate upper surface and passage.
5., during gas then may be uniformly dispersed in the column plate gap and the gas passage that do not have serosity, demonstrate the homodisperse effect of gas-liquid-solid on a macroscopic scale.
Novel multi-phase stream plate column reactor the most according to claim 1, it is characterized in that described plate column reactor, in order to ensure that fluidity energy held by column plate, it is to avoid forming block or thread flowing between upper strata column plate serosity and descending trays serosity, column plate clearance height should be not less than 10mm.
7. according to the Novel multi-phase stream plate column reactor described in claim 1 or 2 or 3 or 4 or 5, it is characterised in that: include tower body, one serosity sedimentation tank of the bottom design of tower body or stirring pool, use conical design at the bottom of pond, open a solids exit mouth in least significant end;The bottom sides of tower body is positioned at serosity sedimentation tank or stirring pool is arranged over inlet channel, inlet channel is connected with distribution device in gas-fluid, the interlude of tower body uses plate column plate structure, leaves interlamellar spacing supplied gas and passes through, and avoid being formed between two-layer serosity continuous flow passage between every layer of column plate；Multilamellar column plate at tower body is provided above a serosity spray equipment, and serosity spray equipment is connected with slurry feed mouth；It is provided above a demister at serosity spray equipment.
Novel multi-phase stream plate column reactor the most according to claim 4, it is characterized in that solid that described column plate supports with unit are, liquid quality summation meter calculator have and bigger hold oar performance, the first column plate monolithic column plate THICKNESS CONTROL is between 1-50mm, and the second column plate single piece plate width is not less than 4mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610511721.8A CN105964214A (en) | 2016-07-01 | 2016-07-01 | Novel multiphase flow plate type tower reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610511721.8A CN105964214A (en) | 2016-07-01 | 2016-07-01 | Novel multiphase flow plate type tower reactor |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000271576A (en) * | 1999-03-24 | 2000-10-03 | Ngk Insulators Ltd | Contact catalytic filter material and treatment of hardly decomposable cod-containing waste water using the same |
| CN101391198A (en) * | 2008-10-31 | 2009-03-25 | 神华集团有限责任公司 | Slurry bed ft synthetic reactor and technique |
| CN102451660A (en) * | 2011-05-06 | 2012-05-16 | 上海聚友化工有限公司 | Downflow type pre-polymerization tower |
| CN202610022U (en) * | 2012-05-28 | 2012-12-19 | 苏州苏水环境工程有限公司 | EGSB (Expanded Granular Sludge Bed) reactor with air lift type internal circulation and micro power hydraulic external circulation |
| CN105417889A (en) * | 2015-12-31 | 2016-03-23 | 中信环境技术（广州）有限公司 | Culture sewage processing system based on EGSB anaerobic reactor |
-
2016
- 2016-07-01 CN CN201610511721.8A patent/CN105964214A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000271576A (en) * | 1999-03-24 | 2000-10-03 | Ngk Insulators Ltd | Contact catalytic filter material and treatment of hardly decomposable cod-containing waste water using the same |
| CN101391198A (en) * | 2008-10-31 | 2009-03-25 | 神华集团有限责任公司 | Slurry bed ft synthetic reactor and technique |
| CN102451660A (en) * | 2011-05-06 | 2012-05-16 | 上海聚友化工有限公司 | Downflow type pre-polymerization tower |
| CN202610022U (en) * | 2012-05-28 | 2012-12-19 | 苏州苏水环境工程有限公司 | EGSB (Expanded Granular Sludge Bed) reactor with air lift type internal circulation and micro power hydraulic external circulation |
| CN105417889A (en) * | 2015-12-31 | 2016-03-23 | 中信环境技术（广州）有限公司 | Culture sewage processing system based on EGSB anaerobic reactor |
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Inventor after: Zheng Chenghui Inventor after: Lin Cheng Inventor after: Cai Ruyu Inventor after: Li Xiaowei Inventor after: Huang Jingzhao Inventor before: Zheng Chenghui Inventor before: Lin Cheng Inventor before: Cai Ruyu |
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