CN207412962U - A kind of supersonic speed eddy flow for flue gas captures processing system - Google Patents
A kind of supersonic speed eddy flow for flue gas captures processing system Download PDFInfo
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- CN207412962U CN207412962U CN201721201587.8U CN201721201587U CN207412962U CN 207412962 U CN207412962 U CN 207412962U CN 201721201587 U CN201721201587 U CN 201721201587U CN 207412962 U CN207412962 U CN 207412962U
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Abstract
The utility model discloses a kind of supersonic speed eddy flows for flue gas to capture processing system, including flue, compressor, separating cyclone tube and collection device, described flue one end and the flue of production system connect, the other end is connected with suction port of compressor, the compressor outlet and the entrance of separating cyclone tube connect, the separating cyclone tube includes injection expansion segment, cyclonic separation section and diffusion braking section, and the collection device is arranged below discharge outlet to collect condensate liquid.Compared with prior art, a kind of supersonic speed eddy flow for flue gas of the utility model captures processing system, flue gas supercharging is injected into separating cyclone tube after accelerating, the stripping of moisture in flue gas is realized by cyclonic separation, realize the separation storage of carbon dioxide in flue gas, system has many advantages, such as to take up an area less, easy to operate, treating capacity greatly, low energy consumption, easy to maintain.
Description
Technical field
The utility model is related to environmental unit field, it is specifically a kind of flue gas is captured and is handled be
System.
Background technology
With the development of society, environmental protection has had become everybody focus of attention, flue gas in the industrial production
Emission treatment be always everybody study emphasis.Because Flue gas components be nitrogen, carbon dioxide, vapor,
Oxygen, micro sulfur dioxide and nitrogen oxides if substantial amounts of flue gas is directly discharged in air, will cause environment sternly
Ghost image is rung.If flue gas is trapped and is rationally utilized, it can turn waste into wealth, and make contributions for environmental protection.By cigarette
After road gas categorised collection, it can be used for recovering the oil, comprehensive nitrogen, the volume increase advantage of carbon dioxide improve oil recovery rate effect
Fruit is more obvious, and can be by a large amount of CO2Permanently bury；The flue gas trapped can be also used for fine chemistry industry, saline and alkaline
Ground transformation etc., greenhouse gases are rationally utilized.
The flue gas discharge capacity in power plant and chemical plant is huge, is particularly directly used there are a large amount of vapor in flue gas
When pipeline and injection, vapor and sour gas therein（Carbon dioxide, sulfur dioxide and nitrogen oxide）Generation has
The acid solution of severe corrosive causes serious corrosion failure to conveyance conduit, injection device, well head and down-hole string.Conventional place
Reason mode often carries out flue gas drying processing by the way of absorption, condensation, takes up a large area, and technique is relative complex, throws
It provides of high cost.In addition substantial amounts of CO is contained in flue gas2, it is still remaining a large amount of even by desulphurization denitration and dehydration
CO2If be directly discharged in air, greenhouse gases is caused largely to discharge, usual manner is using embrane method, cryogenic separation at present
Method etc. handles CO2, cost is higher, complex process.Therefore, it is necessary to the flue gas trappings that a kind of processing capacity is big, processing cost is low
Processing system by the flue gas in discharge capacity huge power plant and chemical plant, carries out inexpensive trapping and processing, realizes returning for resource
Receipts and secondary use.
Utility model content
The purpose of this utility model aims to solve the problem that the deficiency present in the above-mentioned prior art, provides a kind of for flue gas
Supersonic speed eddy flow captures processing system, and flue gas enters cyclonic separation section after being accelerated by supersonic speed cyclone pipe accelerating sections,
Liquid in flue gas is separated by cyclonic separation, realizes the stripping of moisture in flue gas, it then will treated flue
Gas is pressurized again accelerates cyclonic separation, after the separation of carbon dioxide stores in realization flue gas and recycles, supersonic speed rotation
Stream capture processing unit have take up an area less, easy to operate, treating capacity is big, low energy consumption, the advantages such as easy to maintain, realize flue gas
Capture is handled, and reduces carbon emission.
The technical scheme in the invention for solving the technical problem is：A kind of supersonic speed eddy flow for flue gas
Processing system is captured, including flue, compressor, separating cyclone tube and collection device.Described flue one end and life
The flue connection of production system, the other end is connected with suction port of compressor, and the compressor outlet and separating cyclone tube enter
Mouth connection, the separating cyclone tube include injection expansion segment, cyclonic separation section and diffusion braking section, the injection expansion segment
Including the first conical pipe and the first straight tube, outside diameter and its end diameter of first conical pipe are in ratio setting, described
The big end of first conical pipe and compressor outlet flanged joint；The small end of first conical pipe and a hold-carrying of the first straight tube
Orchid connection, the cyclonic separation section include the second conical pipe, the second straight tube and triplex pipe, the triplex pipe bag
Include triconic pipe and the 3rd straight tube, the small end of second conical pipe and the first straight tube other end flanged joint, described
The big end of two conical pipes is connected with one end of the second straight tube, the other end of second straight tube and the small end flanges of triconic pipe
It connects, the cyclonic separation wing is provided in second straight tube, for accelerating the vortex of gas, the cyclonic separation wing uses
Spiral distribution mode is arranged in the second straight tube, by the wing of supersonic of Spiral distribution, under the action of aerofoil, reduces flowing resistance
Power forms eddy flow, and the angle of the cyclonic separation wing and the second straight tube axial direction is acute angle, the triconic pipe it is big
End is connected with one end of the 3rd straight tube, and the bottom of the 3rd straight tube is provided with discharge outlet, and the diffusion braking section includes the
Four straight tubes and the 4th conical pipe, one end of the 4th straight tube are connected with the other end of the 3rd straight tube；4th straight tube
The other end and the 4th conical pipe small end flanged joint, the big end of the 4th conical pipe connects with gas outlet duct flange
It connects, the collection device is arranged below discharge outlet, for collecting condensate liquid.
As an optimization, the cyclonic separation wing is laminated structure.
As an optimization, the diameter of the 4th straight tube is more than the diameter of the 3rd straight tube, for flow slowing down.
As an optimization, the outside diameter of first conical pipe and its end diameter ratio are 10：1, in flue gas
The separation of steam.
As an optimization, the angle of the cyclonic separation wing and the second straight tube axial direction is 15 °, for steam in flue gas
Separation.
As an optimization, the compressor improves flue gas pressures to 0.2MPa-0.5MPa, and flue gas enters injection expansion
Duan Hou is instantaneously accelerated to 500m/s-600m/s, is departed from for the moisture in flue gas.
As an optimization, the collection device is tightly connected with discharge outlet, and the collection device is provided with Ventilated cap, is used
In discharge gas.
As an optimization, the outside diameter of first conical pipe and its end diameter ratio are 6:1, in flue gas
CO2Depart from.
As an optimization, the angle of the cyclonic separation wing and the second straight tube axial direction is 45 °, in flue gas
CO2Depart from.
As an optimization, flue atmospheric pressure is increased to 10 MP by the compressor, for the CO in flue gas2Depart from.
As an optimization, the collection device is liquid CO2Collector.
The beneficial effects of the utility model are：Compared with prior art, the utility model is a kind of for the super of flue gas
Velocity of sound eddy flow captures processing system, and flue gas supercharging is injected into separating cyclone tube after accelerating, by cyclonic separation by flue gas
Interior moisture is stripped out, and realizes the stripping of moisture in flue gas, while sour gas is dissolved in the water and is discharged together, extends
Pipeline service life；Then by treated, flue gas is pressurized acceleration again, realizes the separation storage of carbon dioxide in flue gas,
Supersonic speed eddy flow, which captures processing system, to be had many advantages, such as to take up an area less, easy to operate, treating capacity is big, low energy consumption, easy to maintain, realization
The recycling of heterogeneity resource in flue gas.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 the utility model separating cyclone tube schematic diagrames；
Wherein, 1 flue, 2 compressors, 3 separating cyclone tubes, 31 first conical pipes, 32 first straight tubes, 33 second tapers
Pipe, 34 second straight tubes, the 341 cyclonic separation wings, 35 triconic pipes, 36 the 3rd straight tubes, 37 the 4th straight tubes, 38 the 4th conical pipes,
39 discharge outlet, 4 collection devices, 41 Ventilated caps.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can configure to arrange and design with a variety of.Therefore, below to attached
The detailed description of the embodiment of the utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ordinary skill people
Member's all other embodiments obtained without making creative work belong to the model of the utility model protection
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Embodiment 1：
A kind of supersonic speed eddy flow for flue gas captures processing system, including flue 1, compressor 2, cyclonic separation
Pipe 3 and collection device 4.Described 1 one end of flue and the flue of production system connect, and the other end enters with compressor 2
Mouth connection, the compressor 2 outlet are connected with the entrance of separating cyclone tube 3, and the separating cyclone tube 3 includes injection expansion
Section, cyclonic separation section and diffusion braking section, the injection expansion segment include the first conical pipe 31 and the first straight tube 32, and described the
The big end of one conical pipe 31 is connected with 2 outlet(discharge) flange of compressor；The small end of first conical pipe 31 and the first straight tube 32
End flange connects, and the cyclonic separation section includes the second conical pipe 33, the second straight tube 34 and triplex pipe, and described the
Triplex pipe includes 35 and the 3rd straight tube 36 of triconic pipe, and the small end and the first straight tube 32 of second conical pipe 33 are another
End flanges connect, and the big end of second conical pipe 33 is connected with one end of the second straight tube 34, second straight tube 34 it is another
The small end flanged joint with triconic pipe 35 is held, the cyclonic separation wing 341 is provided in second straight tube 34, for accelerating
The vortex of gas, the cyclonic separation wing 341 are arranged in using Spiral distribution mode in the second straight tube 34, pass through Spiral distribution
Wing of supersonic, under the action of aerofoil, reduce flow resistance, formed eddy flow；341 and second straight tube 34 of the cyclonic separation wing
The angle of axial direction is acute angle, and the big end of the triconic pipe 35 is connected with one end of the 3rd straight tube 36, the described 3rd
The bottom of straight tube 36 is provided with discharge outlet 39, and the diffusion braking section includes the 4th straight pipe 37 and the 4th conical pipe 38, institute
The one end for the 4th straight tube 38 stated is connected with the other end of the 3rd straight tube 36；The other end of 4th straight tube 37 and the 4th cone
The small end flanged joint of shape pipe 38, big end and the gas outlet duct flanged joint of the 4th conical pipe 38, the collection
Device 4 is arranged on 39 lower section of discharge outlet, for collecting condensate liquid.
In embodiment, the cyclonic separation wing 341 is laminated structure；The diameter of 4th straight tube 37 is more than the
The diameter of three straight tubes 36；The collection device 4 is tightly connected with discharge outlet 39, and the collection device 4 is provided with Ventilated cap
41, for discharging gas.
The design of processing system is captured for the supersonic speed eddy flow of flue gas, principle is changed according to the pressure flow of gas,
I.e. the sectional area of jet pipe becomes smaller and then becomes larger again first, it then follows " when fluid moves in pipe, the small place's flow velocity in section is big, and section is big
It is small to locate flow velocity " principle, from centre by gas can be accelerated to supersonic speed, and shock can't be generated.Gas is in section
Up to or over the velocity of sound at product minimum.After more than velocity of sound, transonic fluid but no longer follows that " section is small during exercise
Locate that flow velocity is big, and section general goal flow velocity is small " principle, but on the contrary, section is bigger, flow velocity is faster, thus flue gas can by into
One step accelerates rather than slows down.At this moment gas drastically expands, the principle that pressure and temperature is die-offed.
In the present embodiment, obtained from certain power plant when the overcritical thermal power generation units of 1 × 66MW are operated with 60MW power
Gas component data in chimney, see the table below：
Capturing the step of processing system is handled using supersonic speed eddy flow is：
1st, flue atmospheric pressure is increased to 0.2MPa using compressor 2, enters separating cyclone tube for the flue gas of next step
Power is provided.Pressure difference is formed before and after the first conical pipe after flue gas supercharging, gas is allowed to flow, pressure difference is bigger, gas speed
Degree is bigger, and after overspray expansion segment, temperature reduces more（Swell refrigeration）, dehydration efficiency is also higher.By calculating and now
Field test, when inlet pressure of the flue gas before the first conical pipe reaches 0.2MPa, it is possible to realize into cyclonic separation section
Flue gas reaches more than the velocity of sound.But in actual operation, since pressure is higher, consumption compressor pressure is bigger, when pressure surpasses
After crossing 0.5MPa, for the flow of 500,000 mark sides/hour, the power of flue gas supercharger will be more than 4000 kilowatts, beyond normal
Equipment is advised, it is in economy and cost and improper, therefore under nominal situation, the scope 0.2MPa-0.5MPa of flue gas pressurization.
2nd, the flue gas of 0.2 MPa after being pressurizeed by compressor enters the injection expansion segment of separating cyclone tube, with first
From large to small, the flow velocity of flue gas is incrementally increased the sectional area of conical pipe, and the outside diameter of the first conical pipe and its small end are straight
Footpath ratio is 10:1, then stablized into the first straight tube flow velocity, reach 500m/s in the exit velocity of the first straight tube, because
The rapid expansion of gas, temperature rapidly reduce（Maximum 100 DEG C of temperature drop）, less than the dew point of water, vapor liquefies rapidly；High speed cigarette
Road gas proceeds into the second conical pipe into the second straight tube, and drop is straight into second with the air-flow that high-speed rotational moves
Pipe, because being provided with the cyclonic separation wing in the second straight tube, the cyclonic separation wing is arranged through Spiral distribution using Spiral distribution mode
Wing of supersonic, the angle of the cyclonic separation wing and the second straight tube axial direction is 15 °, passes through the thriving face of cyclonic separation, accelerates gas
Body forms vortex, under the influence of centrifugal force, is rapidly thrown to the tube wall of separator, is gathered into liquid film；At the same time, sour gas
Body is dissolved in the water, and is flowed along tube wall, exports and discharges from drain, and into collection device, collection device is provided with Ventilated cap, uses
In discharge gas.Dry gas is then stayed in cyclone separator, continues flow forward.
3rd, dry gas carries out supercharging heating of slowing down by spreading braking section, after gas enters diffusion braking section, air-flow
Speed reduces rapidly, and pressure also raises rapidly, simultaneously as previous stage has lost certain energy（It is mass loss, friction, interior
Energy, kinetic energy rejection）, outlet pressure is lower than inlet pressure.
It is detected by real data, the dehydration rate in treated flue gas reaches more than 99%, best results.
Embodiment 2：
The flue gas handled by the first stage has removed moisture, but contains substantial amounts of CO in gas2If it directly arranges
It is put into air, greenhouse gases can be caused largely to discharge.By CO therein2Trapping is got off, and is buried or rationally utilized, can
To substantially reduce carbon emission, and realize CO2Turn waste into wealth, therefore the supersonic speed eddy flow of flue gas can be utilized to capture processing system
To CO2Carry out capture processing.
1st, using compressor 2, by treated in embodiment 1, flue atmospheric pressure is increased to 10MPa, is the flue of next step
Gas enters separating cyclone tube and provides power.Pressure difference is formed before and after the first conical pipe after flue gas supercharging, gas is allowed to flow,
Pressure difference is bigger, and gas velocity is bigger, and after overspray expansion segment, temperature reduces more（Swell refrigeration）, CO under normal pressure2Liquefaction
Temperature be -37 DEG C.
2nd, the flue gas being compressed by the compressor as 10MPa enters the injection expansion segment of separating cyclone tube, with the first taper
From large to small, the flow velocity of flue gas is incrementally increased the sectional area of pipe, the outside diameter of the first conical pipe and its end diameter ratio
Example is 6:1, then stablized into the first straight pipe flow velocity, high speed flue gas is proceeded into be entered by the second conical pipe
Second straight tube, because the rapid expansion of gas, temperature is rapidly reduced to -50 DEG C, and vapor liquefies rapidly；Drop is revolved with high speed
The air-flow of stream movement is into the second straight tube, because being provided with the cyclonic separation wing in the second straight tube, the cyclonic separation wing is using spiral point
Mode for cloth is arranged through the wing of supersonic of Spiral distribution, and the angle of the cyclonic separation wing and the second straight tube axial direction is 45 °, is being revolved
Under the action of the thriving face of flow separation, the formation of gas is accelerated to be vortexed, under the influence of centrifugal force, liquid is compressed into flue gas
CO2 be rapidly thrown to the tube wall of separator, be gathered into liquid film, export and discharge from drain, into the CO2 collection devices of liquid,
Remaining N2And O2Gases is waited then to stay in cyclone separator, continue flow forward.
3rd, treated, and gas is die-offed by spreading braking section speed, and temperature, pressure rises, and tend to be steady flowing, from end
It is emitted into aerial or enters in the air processor of next step.
It is detected by real data, the CO2 elimination factors in treated flue gas reach more than 96%, and effect is good.
A kind of supersonic speed eddy flow for flue gas of the utility model captures processing system, and flue gas supercharging is sprayed after accelerating
It injects into separating cyclone tube, is stripped out moisture in flue gas by cyclonic separation, realize the stripping of moisture in flue gas, together
When sour gas be dissolved in the water and discharged together, extend pipeline service life；Then by treated, flue gas increases again
Pressure accelerates, and the separation storage of carbon dioxide in realization flue gas, supersonic speed eddy flow capture processing system, which has, takes up an area less, operates letter
It is single, treating capacity is big, low energy consumption, it is easy to maintain etc. a little, realize the recycling of heterogeneity resource in flue gas.
Above-mentioned specific embodiment is only the specific case of the utility model, and the scope of patent protection of the utility model includes
But the product form and style of above-mentioned specific embodiment are not limited to, it is any to meet the utility model claims book and any institute
Belong to appropriate variation or modification that the those of ordinary skill of technical field does it, should all fall into the patent protection of the utility model
Scope.
Claims (10)
1. a kind of supersonic speed eddy flow for flue gas captures processing system, including flue, compressor, separating cyclone tube and
Collection device, it is characterised in that：Described flue one end and the flue of production system connect, the other end and compressor
Entrance connects, and the entrance of the compressor outlet and separating cyclone tube connects, and the separating cyclone tube includes injection and expands
Section, cyclonic separation section and diffusion braking section, the injection expansion segment include the first conical pipe and the first straight tube, first cone
With its end diameter in ratio setting, big end and the compressor outlet flange of first conical pipe connect the outside diameter of shape pipe
It connects；The small end of first conical pipe is connected with the end flange of the first straight tube, and the cyclonic separation section includes the second cone
Shape pipe, the second straight tube and triplex pipe, the triplex pipe include triconic pipe and the 3rd straight tube, described second
The small end of conical pipe and the first straight tube other end flanged joint, the big end of second conical pipe connect with one end of the second straight tube
It connects, the other end of second straight tube and the small end flanged joint of triconic pipe, the cyclonic separation wing is using spiral point
Mode for cloth is arranged in the second straight tube, and the angle of the cyclonic separation wing and the second straight tube axial direction is acute angle, and described
The big end of triconic pipe is connected with one end of the 3rd straight tube, and the bottom of the 3rd straight tube is provided with discharge outlet, the diffusion
Braking section includes the 4th straight tube and the 4th conical pipe, and one end of the 4th straight tube is connected with the other end of the 3rd straight tube；Institute
The other end of the 4th straight tube and the small end flanged joint of the 4th conical pipe stated, big end and the gas of the 4th conical pipe export
Pipe flange connects, and the collection device is arranged below discharge outlet, for collecting condensate liquid.
2. a kind of supersonic speed eddy flow for flue gas according to claim 1 captures processing system, it is characterised in that：Institute
The cyclonic separation wing stated is laminated structure.
3. a kind of supersonic speed eddy flow for flue gas according to claim 1 captures processing system, it is characterised in that：Institute
The diameter for the 4th straight tube stated is more than the diameter of the 3rd straight tube.
4. a kind of supersonic speed eddy flow for flue gas according to claim 1 captures processing system, it is characterised in that：Institute
The outside diameter for the first conical pipe stated is 10 with its end diameter ratio:1.
5. a kind of supersonic speed eddy flow for flue gas according to claim 4 captures processing system, it is characterised in that：Institute
The cyclonic separation wing and the angle of the second straight tube axial direction stated are 15 °.
6. a kind of supersonic speed eddy flow for flue gas according to claim 5 captures processing system, it is characterised in that：Institute
The compressor stated improves flue gas pressures to 0.2MPa-0.5MPa.
7. a kind of supersonic speed eddy flow for flue gas according to claim 1 captures processing system, it is characterised in that：Institute
The collection device stated is tightly connected with discharge outlet, and the collection device is provided with Ventilated cap, for discharging gas.
8. a kind of supersonic speed eddy flow for flue gas according to claim 1 captures processing system, it is characterised in that：Institute
The outside diameter for the first conical pipe stated is 6 with its end diameter ratio:1.
9. a kind of supersonic speed eddy flow for flue gas according to claim 8 captures processing system, it is characterised in that：Institute
The cyclonic separation wing and the angle of the second straight tube axial direction stated are 45 °.
10. a kind of supersonic speed eddy flow for flue gas according to claim 9 captures processing system, it is characterised in that：
The compressor improves flue gas pressures to 10MPa.
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| CN201721201587.8U CN207412962U (en) | 2017-09-19 | 2017-09-19 | A kind of supersonic speed eddy flow for flue gas captures processing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398123A (en) * | 2017-09-19 | 2017-11-28 | 山东科瑞油田服务集团股份有限公司 | A kind of supersonic speed eddy flow for flue gas catches processing system |
| CN108916903A (en) * | 2018-09-28 | 2018-11-30 | 湖北金炉节能股份有限公司 | A kind of mixed wind processing system of flue gas |
-
2017
- 2017-09-19 CN CN201721201587.8U patent/CN207412962U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398123A (en) * | 2017-09-19 | 2017-11-28 | 山东科瑞油田服务集团股份有限公司 | A kind of supersonic speed eddy flow for flue gas catches processing system |
| CN108916903A (en) * | 2018-09-28 | 2018-11-30 | 湖北金炉节能股份有限公司 | A kind of mixed wind processing system of flue gas |
| CN108916903B (en) * | 2018-09-28 | 2024-01-09 | 湖北金炉节能股份有限公司 | Flue gas mixes wind processing system |
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