CN103801238B - A kind of bispin gas gas fast-mixing reactor - Google Patents
A kind of bispin gas gas fast-mixing reactor Download PDFInfo
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- CN103801238B CN103801238B CN201410027801.7A CN201410027801A CN103801238B CN 103801238 B CN103801238 B CN 103801238B CN 201410027801 A CN201410027801 A CN 201410027801A CN 103801238 B CN103801238 B CN 103801238B
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- swirl vane
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Abstract
The invention discloses a kind of bispin gas gas fast-mixing reactor, comprise reactor shell, the bottom of this reactor shell is with A gas access, top is with mixed gas outlet, along vertically to being provided with some layers of double-cyclone component in described reactor shell, described A gas access is positioned at the below of bottom double-cyclone component, arranges B gas inlet pipe above or below every layer of double-cyclone component, and every layer of double-cyclone component comprises: the blind plate being positioned at center; Around the little swirl vane that blind plate is arranged; Be fixed on the connecting ring of little swirl vane periphery; Around the maelstrom blade that connecting ring is arranged; Be fixed on the support of maelstrom blade periphery; The eddy flow direction of described little swirl vane and maelstrom blade is contrary.Add single or multiple lift double-cyclone column plate at inside reactor in the present invention, improve the mixture homogeneity of gas and gas, be conducive to the carrying out reacted.
Description
Technical field
The present invention relates to that belong to industrial gasses and gas efficient mixes, reaction technology field, be specifically related to a kind of bispin gas gas fast-mixing reactor.
Background technology
Bispin gas gas is blended in commercial Application most important.As in SCR technique, the uniformity of ammonia and flue gas is that to affect catalytic efficiency, catalyst service life and system cloud gray model successfully crucial.Ammonia and flue gas are mixed to get more abundant, and removal of nitrogen oxide efficiency will be higher.
Notification number is that the utility model of CN203139999U discloses a kind of gas and vapor permeation reactor, comprise inner barrel and outer cylinder body, inner barrel is arranged at outer cylinder body inside, there is above inner barrel the first gas feed, there is above outer cylinder body the second gas feed, inner barrel inside is provided with inward eddy device, is provided with contour stealth device between inner barrel and outer cylinder body, and the below of inner barrel, outer cylinder body has the first gas vent, the second gas vent respectively.But its complicated structure, cost is higher, is also unfavorable for the transformation to original chemical system.
Publication number is that CN1326813A discloses a kind of gas mixer, comprise the first gas inlet pipe, the second gas inlet pipe, mixing chamber, in the cross sectional planes of mixing chamber and one or more gas distribution tube orthogonal with input pipe, and mist efferent duct, in mixing chamber on gas distribution tube also with a multiple gas delivery outlet of work.But its flux is little, thus reactor volume is large, and floor space is large, and higher to the requirement of basic load-bearing.
Patent No. CN202315668U discloses a kind of ammonia spraying and mixing system of SCR denitration device, comprise ammonia-spraying grid and current-sharing pipe, ammonia-spraying grid and current-sharing pipe are arranged in the gas approach of SCR reactor, current-sharing pipe is positioned on rear side of ammonia-spraying grid along flow of flue gas direction, the parallel and evenly indirectly arrangement on the cross-sectional area of gas approach of current-sharing pipe.But its complicated structure, cost is higher, and energy consumption is large.
Notification number is that the Chinese invention patent of 102210992B discloses a kind of cyclone mixer, at least comprise the reaction vessel of contain liquids, container is provided with air inlet, it is characterized in that: above air inlet, be provided with inner housing, inner housing and container inner wall or between inner housing and inner housing, form gas phase eddy flow passage, shell body is provided with above inner housing, the middle part of shell body has liquid-inlet, fluid eddy flow passage is formed between shell body and inner housing, the outer end of gas phase eddy flow passage and fluid eddy flow passage merges into gas-liquid mixed stream eddy flow passage, this gas-liquid mixed stream eddy flow passage is at shell body and container inner wall or between shell body and shell body.
Summary of the invention
The invention provides a kind of bispin gas gas fast-mixing reactor, add single or multiple lift double-cyclone column plate at inside reactor, improve the mixture homogeneity of gas and gas, be conducive to the carrying out reacted.
A kind of bispin gas gas fast-mixing reactor, comprise reactor shell, the bottom of this reactor shell is with A gas access, top is with mixed gas outlet, along vertically to being provided with some layers of double-cyclone component in described reactor shell, described A gas access is positioned at the below of bottom double-cyclone component, arranges B gas inlet pipe above or below every layer of double-cyclone component, and every layer of double-cyclone component comprises:
Be positioned at the blind plate at center;
Around the little swirl vane that blind plate is arranged;
Be fixed on the connecting ring of little swirl vane periphery;
Around the maelstrom blade that connecting ring is arranged;
Be fixed on the support of maelstrom blade periphery, this support is fixed on the inwall of reactor shell;
The eddy flow direction of described little swirl vane and maelstrom blade is contrary.
Patent of the present invention is according to Aerodynamics, and research turbulent flow particularly two-way eddy-currents mechanism, strengthens mechanism to flowing mixing and simulate, and develops advanced mixing and strengthens technology, effectively improve hybrid reaction efficiency.The bidirectional rotational flow strengthening mixing that apparatus of the present invention mainly utilize air-flow to produce through double-cyclone plate, thus improve the hybrid reaction effect of bispin gas gas, be particularly suitable for the hybrid reaction of various gas, as the ammonia in SCR mix with flue gas, the hybrid reaction of ozone and flue gas in wet denitration.
As preferably, the interval area between described little swirl vane and the ratio of reactor shell cross-sectional area are 2-50%.
As preferably, the quantity of described little swirl vane is 3-100 sheet.
As preferably, the anglec of rotation of described little swirl vane and horizontal plane is 2-50 °
As preferably, the interval area between described maelstrom blade and the ratio of cross-sectional reactor area are 5-60%.
As preferably, the quantity of described maelstrom blade is 3-150 sheet.
As preferably, the anglec of rotation of described maelstrom blade and horizontal plane is 5-60 °.
As preferably, the shape of described little swirl vane and maelstrom blade is triangle, rhombus or ellipse.
As preferably, described double-cyclone component is set to 1-4 layer, and the spacing between adjacent two layers is 20-150cm.
Further preferably, described double-cyclone component is set to 1-4 layer, and the spacing between adjacent two layers is 20-150cm; Interval area between described little swirl vane and the ratio of reactor shell cross-sectional area are 2-50%; The quantity of described little swirl vane is 3-100 sheet; The anglec of rotation of described little swirl vane and horizontal plane is 2-50 °; Interval area between described maelstrom blade and the ratio of cross-sectional reactor area are 5-60%; The quantity of described maelstrom blade is 3-150 sheet; The anglec of rotation of described maelstrom blade and horizontal plane is 5-60 °.
For different operating modes, the parameter of selection double-cyclone component that can be suitable.As for the less gas A of viscosity coefficient, double-cyclone component is set to 2 layers.By adopting double-cyclone component, gas A is under the guide effect of little swirl vane and maelstrom blade, and rotation is strengthened, and obtains higher turbulivity, and forms the contrary double-cyclone in direction.Gas B enters mixing reactor by B gas inlet pipe in the rear end of blind plate or front end.Under the effect of double-cyclone, gas A and gas B fully mixes, thus promotes that reaction is carried out.
A kind of most preferred technical scheme, described double-cyclone component is set to 2 layers, and the spacing between adjacent two layers is 50cm; Interval area between described little swirl vane and the ratio of reactor shell cross-sectional area are 30%; The quantity of described little swirl vane is 20; The anglec of rotation of described little swirl vane and horizontal plane is 30 °; Interval area between described maelstrom blade and the ratio of cross-sectional reactor area are 35%; The quantity of described maelstrom blade is 40; The anglec of rotation of described maelstrom blade and horizontal plane is 40 °.
Under above-mentioned most preferred technical scheme, the number that mixes of A gas and B gas reaches more than 80%.
The beneficial effect of patent of the present invention is as follows:
Patent of the present invention adds single or multiple lift double-cyclone column plate at inside reactor, by utilizing the immixture of double-cyclone, making gas more even with mixing of gas, being conducive to the carrying out reacted.Patent internal structure of the present invention is simple, no matter for the transformation of original device, or the building up of new equipment, cost of investment is all lower.Second phase the present invention does not need dynamical system, and operating cost is lower.In addition, patent of the present invention is suitable for the bispin gas gas hybrid reaction of large flux.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment structural representations of apparatus of the present invention.
Fig. 2 is the top view shown in Fig. 1.
Fig. 3 is the structural representation of the another kind of embodiment of apparatus of the present invention.
Shown in figure, Reference numeral is as follows:
1-A gas feed 2-reactor shell 3-mixed gas outlet
4-B gas inlet pipe 5-little swirl vane 6-connecting ring
7-maelstrom blade 8-support 9-blind plate.
Detailed description of the invention
As shown in FIG. 1 to 3, a kind of bispin gas gas fast-mixing reactor, comprises reactor shell 2, and is positioned at some layers of double-cyclone component of reactor shell 2.
Reactor shell 2 is conventional cylindrical shell, the bottom of reactor shell is with A gas access 1, the top of reactor shell, with mixed gas outlet 3, arranges some layers of double-cyclone component from top to bottom in reactor shell 2 between A gas access 1 and mixed gas outlet 3.
Every layer of double-cyclone component comprises: be positioned at the blind plate 9 at center, the little swirl vane 5 arranged around blind plate 9, the connecting ring 6 being fixed on little swirl vane 5 periphery, the maelstrom blade 7 arranged around connecting ring 6 and be fixed on the support 8 of maelstrom blade 7 periphery, connecting ring 6 connects little swirl vane 5 and maelstrom blade 7, and double-cyclone component is fixed on the inwall of reactor shell 2 by support 8.The eddy flow direction of little swirl vane 5 and maelstrom blade 7 is contrary.
Double-cyclone component is set to 1-4 layer, and the spacing between adjacent two layers is 20-150cm; The ratio of the interval area between little swirl vane and reactor shell cross-sectional area is 2-50%; The quantity of little swirl vane is 3-100 sheet; The anglec of rotation of little swirl vane and horizontal plane is 2-50 °; Interval area between maelstrom blade and the ratio of cross-sectional reactor area are 5-60%; The quantity of maelstrom blade is 3-150 sheet; The anglec of rotation of maelstrom blade and horizontal plane is 5-60 °.
The shape of maelstrom blade and little swirl vane is triangle, rhombus or ellipse.
B gas inlet pipe is arranged on the top (as Fig. 1) of double-cyclone component or below (as Fig. 2) gas outlet just to blind plate 9 center.
An embodiment for optimum, double-cyclone component is set to 2 layers, and the spacing between adjacent two layers is 50cm; The ratio of the interval area between little swirl vane and reactor shell cross-sectional area is 30%; The quantity of described little swirl vane is 20; The anglec of rotation of little swirl vane and horizontal plane is 30 °; Interval area between maelstrom blade and the ratio of cross-sectional reactor area are 35%; The quantity of described maelstrom blade is 40; The anglec of rotation of maelstrom blade and horizontal plane is 40 °.
The working method of apparatus of the present invention is as follows:
Gas A is under the guide effect of little swirl vane and maelstrom blade, and rotation is strengthened, and forms the contrary double-cyclone in direction; Gas B enters mixing reactor by B gas inlet pipe in the rear end of blind plate or front end; Under the effect of double-cyclone, gas A and gas B fully mixes, thus promotes that reaction is carried out.By this bispin gas gas fast-mixing reactor, gas can obtain the good uniformity and be conducive to fast reaction.
Embodiment 1
At 4000m
3the mixed process of analog gas A and gas B on the device of/h scale.Reactor length is 3m, passes into gas B with a straight tube toward flue, simulates the mixed process without gas A and gas B under apparatus of the present invention.Gas A flow is 4000m
3/ h, gas A temperature is 100 degrees Celsius, and pressure 1 atmospheric pressure, gas B flow is 20m
3/ h, gas B temperature is 25 degrees Celsius, gas B to mix number be 25%.
Embodiment 2
With under the optimum embodiment of the present invention, at 4000m
3the mixed process of analog gas A and gas B on the device of/h scale.Reactor length is 3m, and gas A flow is 4000m
3/ h, gas A temperature is 100 degrees Celsius, and pressure 1 atmospheric pressure, gas B flow is 20m
3/ h, gas B temperature is 25 degrees Celsius, gas B to mix number be 80%.
Embodiment 3
With under the optimum embodiment of the present invention, at 6000m
3the mixed process of analog gas A and gas B on the device of/h scale.Reactor length is 3m, and gas A flow is 6000m
3/ h, gas A temperature is 90 degrees Celsius, and pressure 1 atmospheric pressure, gas B flow is 25m
3/ h, gas B temperature is 25 degrees Celsius, gas B to mix number be 85%.
Claims (1)
1. a bispin gas gas fast-mixing reactor, comprise reactor shell, the bottom of this reactor shell is with A gas access, top is with mixed gas outlet, it is characterized in that, along vertically to being provided with some layers of double-cyclone component in described reactor shell, described A gas access is positioned at the below of bottom double-cyclone component, arrange B gas inlet pipe above or below every layer of double-cyclone component, every layer of double-cyclone component comprises:
Be positioned at the blind plate at center;
Around the little swirl vane that blind plate is arranged;
Be fixed on the connecting ring of little swirl vane periphery;
Around the maelstrom blade that connecting ring is arranged;
Be fixed on the support of maelstrom blade periphery, this support is fixed on the inwall of reactor shell;
The eddy flow direction of described little swirl vane and maelstrom blade is contrary;
The shape of described little swirl vane and maelstrom blade is triangle, rhombus or ellipse; Described double-cyclone component is set to 1-4 layer, and the spacing between adjacent two layers is 20-150cm; Interval area between described little swirl vane and the ratio of reactor shell cross-sectional area are 2-50%; The quantity of described little swirl vane is 3-100 sheet; The anglec of rotation of described little swirl vane and horizontal plane is 2-50 °; Interval area between described maelstrom blade and the ratio of cross-sectional reactor area are 5-60%; The quantity of described maelstrom blade is 3-150 sheet; The anglec of rotation of described maelstrom blade and horizontal plane is 5-60 °.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410027801.7A CN103801238B (en) | 2014-01-22 | 2014-01-22 | A kind of bispin gas gas fast-mixing reactor |
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| CN201410027801.7A CN103801238B (en) | 2014-01-22 | 2014-01-22 | A kind of bispin gas gas fast-mixing reactor |
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| CN103801238B true CN103801238B (en) | 2016-03-02 |
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| CN105435610B (en) * | 2015-12-03 | 2017-10-10 | 上海交通大学 | A kind of integrated multiple-effect device for meeting the denitration of industrial smoke deep desulfuration and dedusting |
| CN107998859A (en) * | 2017-12-21 | 2018-05-08 | 双盾环境科技有限公司 | A kind of technique of the ultra-clean processing flue gas of the dust removal integrated wet method of desulphurization denitration |
| CN107875824A (en) * | 2017-12-21 | 2018-04-06 | 双盾环境科技有限公司 | A kind of device of the ultra-clean processing flue gas of the dust removal integrated wet method of desulphurization denitration |
| CN114180070A (en) * | 2021-12-10 | 2022-03-15 | 中国商用飞机有限责任公司 | Bidirectional rotational flow mixing device for air source system heat exchanger |
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| DK171572B1 (en) * | 1994-01-12 | 1997-01-20 | Topsoe Haldor As | Method and device for mixing gases |
| DE602004032473D1 (en) * | 2004-02-16 | 2011-06-09 | Anemos Co Ltd | MIXING ELEMENT AND STATIC FLUID MIXER THEREWITH |
| CN201783286U (en) * | 2010-08-05 | 2011-04-06 | 杭州洁天环保科技有限公司 | Rotating-stream-tray tower |
| CN102434191B (en) * | 2011-08-23 | 2013-09-18 | 山东理工大学 | Spiral-flow type dilution mixer with adjustable blades for gas drainage |
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