CN208839395U - A kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device - Google Patents
A kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device Download PDFInfo
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- CN208839395U CN208839395U CN201721881506.3U CN201721881506U CN208839395U CN 208839395 U CN208839395 U CN 208839395U CN 201721881506 U CN201721881506 U CN 201721881506U CN 208839395 U CN208839395 U CN 208839395U
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- 230000000975 bioactive effect Effects 0.000 title claims abstract description 109
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 23
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 112
- 239000007924 injection Substances 0.000 claims abstract description 112
- 239000003546 flue gas Substances 0.000 claims abstract description 71
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 13
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- 239000000203 mixture Substances 0.000 description 9
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Abstract
A kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device, including bioactive molecule swirl injection pipe network and the quick mixed cell of eddy flow；The bioactive molecule swirl injection network management includes bioactive molecule injection pipe, the bioactive molecule injection pipe is passed through flue, and several eddy flow spouts are connected in flue, the bioactive molecule is sprayed through the eddy flow spout, and the direction of the eddy flow spout is identical as flue gas flow direction in the flue；It is additionally provided with the quick mixed cell of eddy flow, each eddy flow spout is individually equipped with the quick mixed cell of eddy flow；The quick mixed cell of eddy flow is oppositely arranged with the eddy flow spout, the quick mixed cell of eddy flow includes eddy flow Ji Ta and eddy flow fin, the eddy flow Ji Ta is equipped with eddy flow fin towards eddy flow spout side, the bioactive molecule that the eddy flow base tower water conservancy diversion is sprayed from eddy flow spout, and spread by eddy flow fin further expansion bioactive molecule eddy flow；The bioactive molecule swirl injection pipe network and the quick mixed cell of the eddy flow select stainless steel material or through preservative treatment.
Description
Technical field
The utility model is about filed of flue gas purification, and in particular to a kind of energy-efficient multiple pollutant removing work
Property molecule bispin flow jet device.
Background technique
China is the country using coal as main energy sources, and a large amount of burnings of coal are so that NOx, SO2, heavy metal and organic
The noxious gas emissions such as object VOCs increasingly increase, it has also become the main source of atmosphere pollution.The starting of Single Pollution object control technology
It is relatively early, a series of widely used technologies are formd, as low nitrogen burning, selective catalytic reduction (SCR), selectivity are non-
The gas denitrifying technologies such as catalysis reduction (SNCR), the desulfurization technology such as limestone-gypsum method, in-furnace calcium spraying.
However as the raising that pollutant catabolic gene requires, multiple pollutant cooperation-removal technology is by social extensive pass
Note.Wherein, bioactive molecule multiple pollutant removing sulfuldioxide can not only NOx in efficient removal flue gas, and can remove simultaneously
SO in flue gas2With heavy metal Hg, be easy to have wet desulfurization system with power plant in conjunction with, removal efficiency is high, and transformation is simple, obtains
The attention and application of vast enviromental protection enterprise.
Bioactive molecule includes O, OH, O3、H2O2、HO2Deng, mostly strong oxidizing property molecule, stability is poor, and it is easy to decompose, it is living
Property molecule mixed with flue gas distance longer or incorporation time it is too long or uneven, all will seriously affect the operational reliability of the system
With pollutant removing efficiency.Therefore, in bioactive molecule multiple pollutant removing system, bioactive molecule injection apparatus will be directly affected
Bioactive molecule mixes with flue gas, and then influences the removal efficiency of pollutant.The bioactive molecule spray that engineering is actually applied at present
Injection device draws several root canal generally along two mutually orthogonal directions of flue or one of direction, often respectively
Several nozzles are set again on root canal, the flow of each pipe can be adjusted individually, to match the content in flue gas.This spray
Compare more uniform although injection device can make bioactive molecule mix with flue gas, structure is complicated, and consumptive material is big, required injection
Blending space is larger.
The patent document of Authorization Notice No. CN205392142U discloses " a kind of denitrating flue gas ozone grid device ", packet
Inlet main pipe and multiple air inlet injection pipes are included, multiple air inlet injection pipes are connected to inlet main pipe respectively, in each air inlet injection pipe
On be mounted on multiple conical nozzles, diamond shape spoiler is mounted on each conical nozzle, is circulated Shi Ling by flue gas
The vortex formed before and after shape spoiler realizes being sufficiently mixed for ozone and flue gas.But diamond shape spoiler is to the shadow of flue gas turbulent flow
It rings depth and is far smaller than the jet stream rigidity of conical nozzle, therefore can not achieve and be sufficiently mixed in the short distance of ozone and flue gas
It is even.
The patent document of Authorization Notice No. CN204672113U discloses a kind of " ozone flue gas mixing arrangement and denitrating flue gas
System ", including injection pipe row and bar shaped spout.Laterally, flue cross section is divided into more by vertical injection pipe row by identical spacing arrangement
A mixed zone；Multiple bar shaped spouts are provided on injection pipe, spout is externally provided with arc-shaped backplate and is enclosed on injection pipe, and in spout
Position is provided with the spout containing blade as eddy flow mechanism.Streams of ozone is divided in nozzle and generates certain eddy flow by the device
Radian enhances the disturbance of two kinds of air-flows, but is limited by spout size, and the diffusingsurface of streams of ozone is smaller, can only by compared with
Long flour mixed with adulterants and ozone Jet Penetration Depth is just able to achieve the uniform mixing of two kinds of air-flows.
The patent document of Authorization Notice No. CN204724006U discloses a kind of " ozone injection dress for ozone denitration
Set ", including multiple oblique spouts along the circumferential direction uniformly distributed on general pipeline, connection branch pipe, injection pipe and injection pipe.The device ozone
Spray regime it is uniform, but ozone spray great efforts, mix space it is longer.
The patent document of Authorization Notice No. CN205586850U discloses " a kind of efficient ozone-air mixer ", including
Cabinet and pedestal contain several impellers and rolling bearing in cabinet, realize the uniform of ozone and air by the rotation of impeller
Mixing.But the device need to introduce ozone and air from two air inlets of cabinet the same side, need to be separately provided outside flue
Mixer, and flue cutting is respectively connected to mixer inlet and outlet, transformation is complicated；And mix after flue gas flow velocity it is excessively high, it is right
The abrasionproof performance requirement of flue is excessively high.
For this purpose, development structure is simple, at low cost, injection mixing is apart from short bioactive molecule injection apparatus, can not only mention
High system run all right improves denitration efficiency, and bioactive molecule the amount of injection can also be effectively reduced, and reduces denitrating system energy consumption.
Summary of the invention
The main purpose of the utility model is to overcome deficiency in the prior art, project inputs and operating cost are reduced,
There is provided a kind of simple structure and reasonable design, be conducive to bioactive molecule efficiently mixed with flue gas, can effectively less bioactive molecule injection
The bioactive molecule energy saving and efficiency increasing bispin flow jet device for being suitable for bioactive molecule multiple pollutant removing system of amount.
In order to solve the above technical problems, bioactive molecule is used in a kind of energy-efficient multiple pollutant removing of the utility model
Bispin flow jet device, including bioactive molecule swirl injection pipe network and the quick mixed cell of eddy flow；
The bioactive molecule swirl injection network management includes bioactive molecule injection pipe, and the bioactive molecule injection pipe is passed through cigarette
Road, and several eddy flow spouts are connected in flue, the bioactive molecule is sprayed through the eddy flow spout, the court of the eddy flow spout
To identical as flue gas flow direction in the flue；
It is additionally provided with the quick mixed cell of eddy flow, each eddy flow spout is individually equipped with the quick mixed cell of eddy flow；The rotation
It flows quick mixed cell to be oppositely arranged with the eddy flow spout, the quick mixed cell of eddy flow includes eddy flow Ji Ta and eddy flow fin
Piece, the eddy flow Ji Ta are equipped with eddy flow fin towards eddy flow spout side, what the eddy flow base tower water conservancy diversion was sprayed from eddy flow spout
Bioactive molecule, and spread by eddy flow fin further expansion bioactive molecule eddy flow；
The bioactive molecule swirl injection pipe network and the quick mixed cell of the eddy flow select stainless steel material or through anti-corrosion
Processing.
Further, it is additionally provided with guiding connecting plate, the guiding connecting plate is fixed on the bioactive molecule injection pipe, and
The quick mixed cell of the eddy flow is supported to be built up in eddy flow spout opposite end.
Further, the bioactive molecule injection pipe includes summarizing main pipe, if with the dry-spray for summarizing main pipe and being connected to
Supervisor, if injection supervisor's connection dry-spray branch pipe, the injection branch pipe connect eddy flow spout；
Or, radial in-line is responsible in the injection or stagger arrangement is distributed several connection branch pipes, the connection rotation of connected component tube top end
Flow spout；
Or, the injection is responsible for perpendicular to flue gas flow direction in flue, and through setting in entire flue；
Or, described connection branch pipe one end is straight pipe one, is connected with injection supervisor and perpendicular to flue gas flow direction in flue, separately
One end is straight pipe two and consistent with flue gas flow direction in flue, and two straight pipes are in 90 ° of arrangements and by bending fillet elbow in 90 °
Eddy flow spout is arranged with the consistent straight pipe end of flue gas flow direction in flue in connection；
Or, the connection arms parallel and being evenly arranged with several, and it is evenly arranged in entire flue.
The injection supervisor installs electric and pneumatic flow control valve respectively, connects in every injection supervisor with flue gas in flue
Electric and pneumatic flow control valve is installed respectively to adjust and distribute bioactive molecule the amount of injection on the position of touching.
Further, the eddy flow spout includes center blind plate and swirl vane, and the center blind plate setting is sprayed in eddy flow
The eddy flow spout inner wall is fixed in the middle part of mouthful and by the swirl vane；
Or, the eddy flow spout selects flaring eddy flow spout, bioactive molecule is gradually spread out by the eddy flow spout；
Or, the width of the center blind plate is the 1/4~2/3 of the eddy flow nozzle diameter.
Further, it is described injection supervisor length direction on the adjacent eddy flow spout center away from for 100~500 in the least
Rice, at the center for being responsible for the adjacent eddy flow spout in the radial direction of spraying away from being 200~800 millimeters, adjacent injection is led
The center of pipe is away from being 300~1000 millimeters；
Or, the eddy flow spout jet velocity is higher than the flue gas flow rate in flue, bioactive molecule is sprayed through the eddy flow spout
Firing rate degree is 5~25 meter per seconds, and the flue gas flow rate in the flue is 4~20 meter per seconds；
Or, the diameter of the eddy flow spout is 10~100 millimeters；
Or, the height of the eddy flow spout is the 1/4~2/3 of diameter；
Or, spraying 5~10 times that branch pipe flow development length is nozzle diameter before the eddy flow spout；
Or, the eddy flow spout to the distance between flue inner wall be less than the center of equidirectional adjacent eddy flow spout away from two
/ mono-.
Further, the swirl vane inclination is fixed between the eddy flow spout inner wall and the center blind plate；
Or, the angle between the swirl vane and horizontal plane is 10 °~40 °, the swirl vane opening line and spout
The angle of radial direction is 15 °~40 °, and opening line and center blind plate circle are tangent；
Or, the number of blade of the swirl vane is 6~18, the percent opening of the swirl vane, i.e. airflow channel section
The long-pending ratio with area of injection orifice, percent opening 30-70%.
Further, the quick mixed cell of the eddy flow is additionally provided with choked flow blind plate, and the choked flow blind plate 7 is arranged in the rotation
Fin center is flowed, and the top of the eddy flow Ji Ta is set, the choked flow blind plate guidance bioactive molecule is revolved by eddy flow fin
Stream diffusion；
Or, the choked flow blind plate towards eddy flow spout side be convex surface；
Or, the choked flow blind plate outer profile is hemispherical；
Or, the choked flow blind plate longitudinal center line is consistent with 10 longitudinal center line of center blind plate, the eddy flow is quick
Mixed cell is located at the underface of the flue gas flow direction of the eddy flow spout；
Or, the spacing of the mainstream blind plate and the eddy flow spout is the 2 of bioactive molecule swirling eddy unit rotation height
~5 times.
Further, the summation of eddy flow base tower bottom face sectional area is the 40~70% of the flue gross area；
Or, the eddy flow Ji Ta is truncated cone-shaped, the side of the eddy flow Ji Ta and the angle of bottom surface are 30 °~75 °；
Or, the choked flow blind plate is located at the top of the rotary table of the eddy flow Ji Ta, the eddy flow fin uniform welding is described
The outer surface of eddy flow Ji Ta；
Or, the choked flow blind plate diameter is 1/2~2 times of the eddy flow nozzle diameter.
Further, the eddy flow fin is inclined at the outer surface the eddy flow Ji Ta, and outside the eddy flow Ji Ta
Surface rotation, the direction of rotation of the eddy flow fin is consistent with the direction of the swirl vane, and the eddy flow of the eddy flow fin is strong
Degree is not less than the swirl strength of the swirl vane；
Or, the angle between the eddy flow fin and horizontal plane is 10 °~50 °, the eddy flow fin opening line and eddy flow
The angle of base tower bottom face radial direction is 10 °~60 °, and opening line and the outer surface the eddy flow Ji Ta are tangent；
Or, the eddy flow fin is identical as eddy flow nozzle vane quantity；
Further, the direction of rotation of adjacent two column eddy flow spout is opposite；
Or, the quick mixed cell direction of rotation of adjacent two column eddy flow is opposite.
Compared with prior art, the utility model has the beneficial effects that
One, flow control valve is separately provided in the every injection supervisor in the utility model, realizes bioactive molecule injection
The accurate adjusting and distribution of amount, cooperate the circulation branch pipe of omnidirectional distribution, are divided into multiple areas balanced the flow area of flue gas
Mixed zone, be more advantageous to the uniform injection of bioactive molecule, reduce bioactive molecule and mix with flue gas blind area.
Two, the utility model uses eddy flow spout, and bioactive molecule is divided by swirl vane, and it is strong to form a series of rotation
Jet stream is revolved, forms a recirculating zone in the inside of strong rotating jet, not only the volume on the outside of jet stream inhales surrounding flue gas to rotating jet, and
And the volume smoking gas also from recirculating zone, there is good " pumping " ability, makes a large amount of smoke backflow to spout root, enhancing activity
Disturbance of the molecule to flue gas.
Three, the quick mixed cell of eddy flow below eddy flow spout is set, and the strong rotational gas flow of bioactive molecule is quick by eddy flow
Mixed cell further expansion eddy flow angle of flare, and recirculating zone is formed in eddy flow base tower bottom, reinforce closing with the volume persorption of flue gas；
Adjacent two column eddy flow spout, eddy flow quick mixed cell reverse rotation direction arrangement, form symmetrical reverse reflux whirlpool, again by force
Change bioactive molecule to mix with the disturbance of flue gas, substantially reduces the mixing distance of bioactive molecule Yu denitration flue gas, reduce activity
Molecular jet amount can effectively improve gas cleaning efficiency, reduce system energy consumption.
Four, bioactive molecule eddy flow spout and flue gas stream use down current arrangement, have effectively prevented the hair of the stifled grey situation of spout
It is raw；Apparatus main body critical component is welded, and structure is simple, and characteristics of compact layout is easy to process, in combination with the installation such as flue internal overarm support
It is fixed, without carrying out excessive transformation to flue, advantageously reduce improvement cost.
Five, guiding connecting plate and the attachment weld of eddy flow Ji Ta are located at eddy flow base tower inner surface, and denitration flue gas will not butt welding
Slit greatly reduces the time of contact of weld seam and flue gas at directly washing away, and reduces corrosion of the denitration flue gas to weld seam, can have
Effect improves the service life of device, reduces the cost of overhaul of vulnerable part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1.
Fig. 2 is the sectional view of 1 eddy flow spout of embodiment.
Fig. 3 is the structural schematic diagram of embodiment 1；
Fig. 4 is structural schematic diagram when injection apparatus eddy flow spout described in embodiment 1 is staggered in arrangement.
Structural schematic diagram when Fig. 5 is injection apparatus eddy flow spout in-line arrangement described in embodiment 1.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further elaborated:
Embodiment 1
As shown in Figures 1 to 5, the energy-efficient multiple pollutant removing bioactive molecule bispin of one kind of the utility model
Flow jet device, including bioactive molecule swirl injection pipe network and the quick mixed cell of eddy flow；
The bioactive molecule swirl injection network management includes bioactive molecule injection pipe, and the bioactive molecule injection pipe is passed through cigarette
Road, and several eddy flow spouts 3 are connected in flue, the bioactive molecule is sprayed through the eddy flow spout 3, the eddy flow spout 3
Direction it is identical as flue gas flow direction in the flue；
It is additionally provided with the quick mixed cell of eddy flow, each eddy flow spout 3 is individually equipped with the quick mixed cell of eddy flow；The rotation
It flows quick mixed cell to be oppositely arranged with the eddy flow spout 3, the quick mixed cell of eddy flow includes eddy flow Ji Ta and eddy flow
Fin, the eddy flow base tower 6 are equipped with eddy flow fin 8 towards 3 side of eddy flow spout, and 6 water conservancy diversion of eddy flow base tower is from eddy flow spout 3
The bioactive molecule of ejection, and spread by 8 further expansion bioactive molecule eddy flow of eddy flow fin.
It is additionally provided with guiding connecting plate 4, the guiding connecting plate 4 is fixed on the bioactive molecule injection pipe, and supports institute
It states the quick mixed cell of eddy flow and is built up in 3 opposite end of eddy flow spout.
The bioactive molecule injection pipe includes summarizing main pipe 11, if summarizing the dry-spray that main pipe 11 be connected to described and being responsible for 1,
If the 1 connection dry-spray branch pipe 2 of injection supervisor, the injection branch pipe 2 connect eddy flow spout 3；
The radial in-line of the injection supervisor 1 or stagger arrangement are distributed several connection branch pipes 2,2 top of the connection branch pipe connection rotation
Flow spout 3；
The injection supervisor 1 is run through and is arranged in entire flue perpendicular to flue gas flow direction in flue；
Described 2 one end of connection branch pipe is straight pipe 1, is responsible for injection 1 and is connected and perpendicular to flue gas flow direction in flue,
The other end is straight pipe 2 22 and consistent with flue gas flow direction in flue, and two straight pipes are in 90 ° of arrangements and by bending fillet in 90 °
Eddy flow spout 3 is arranged with the consistent straight pipe end of flue gas flow direction in flue in elbow connection；
The connection branch pipe 2 is parallel and is evenly arranged with several, and is evenly distributed in entire flue.
The injection supervisor 1 installs electric and pneumatic flow control valve respectively, in every injection supervisor and flue gas in flue
Electric and pneumatic flow control valve 12 is installed respectively to adjust and distribute bioactive molecule the amount of injection on the position of contact.
The eddy flow spout 3 includes center blind plate 9 and swirl vane 10, and the center blind plate is arranged in eddy flow spout 3
Portion is simultaneously fixed in 3 inner wall of eddy flow spout by the swirl vane 10；
The eddy flow spout selects flaring eddy flow spout, and bioactive molecule is gradually spread out by the eddy flow spout；
The width of the center blind plate is the 1/4~2/3 of the eddy flow nozzle diameter.
The center of the adjacent eddy flow spout is away from being 100~500 millimeters on the injection supervisor length direction, described
The center of the injection supervisor adjacent eddy flow spout in the radial direction away from be 200~800 millimeters, center that adjacent injection is responsible for away from
It is 300~1000 millimeters；
The eddy flow spout jet velocity is higher than the flue gas flow rate in flue, and bioactive molecule sprays speed through the eddy flow spout
Degree is 5~25 meter per seconds, and the flue gas flow rate in the flue is 4~20 meter per seconds；
The diameter of the eddy flow spout is 10~100 millimeters；
The height of the eddy flow spout is the 1/4~2/3 of diameter；
5~10 times that branch pipe flow development length is nozzle diameter are sprayed before the eddy flow spout；
The eddy flow spout to the distance between flue inner wall be less than the center of equidirectional adjacent eddy flow spout away from two points
One of.
The inclination of swirl vane 10 is fixed between the eddy flow spout inner wall and the center blind plate 9；
Angle between the swirl vane and horizontal plane is 10 °~40 °, and the swirl vane opening line and spout are radial
The angle in direction is 15 °~40 °, and opening line and center blind plate circle are tangent；
The number of blade of the swirl vane be 6~18, the percent opening of the swirl vane, i.e. airflow channel sectional area with
The ratio of area of injection orifice, percent opening 30-70%.
The quick mixed cell of eddy flow is additionally provided with choked flow blind plate 7, and the choked flow blind plate 7 is arranged in the eddy flow fin
The heart, and the top of the eddy flow base tower 6 is set, the choked flow blind plate 7 guides bioactive molecule to expand by 8 eddy flow of eddy flow fin
It dissipates；
The choked flow blind plate 7 towards 3 side of eddy flow spout be convex surface；
7 outer profile of choked flow blind plate is hemispherical；
7 longitudinal center line of choked flow blind plate is consistent with 10 longitudinal center line of center blind plate, and the eddy flow quickly mixes
Close the underface that unit is located at the flue gas flow direction of the eddy flow spout；
The spacing of the mainstream blind plate 7 and the eddy flow spout is the 2~5 of bioactive molecule swirling eddy unit rotation height
Times.
The summation of the 6 bottom surface sectional area of eddy flow base tower is the 40~70% of the flue gross area；
The eddy flow base tower 6 is truncated cone-shaped, and the side of the eddy flow base tower 6 and the angle of bottom surface are 30 °~75 °；
The choked flow blind plate is located at the top of the rotary table of the eddy flow base tower 6, and the eddy flow fin uniform welding is in the rotation
Flow the outer surface of base tower 6；
Or, the choked flow blind plate diameter is 1/2~2 times of the eddy flow nozzle diameter.
The eddy flow fin is inclined at the outer surface the eddy flow Ji Ta, and rotates in the outer surface the eddy flow Ji Ta,
The direction of rotation of the eddy flow fin is consistent with the direction of the swirl vane, and the swirl strength of the eddy flow fin is not less than institute
State the swirl strength of swirl vane；
Angle between the eddy flow fin and horizontal plane is 10 °~50 °, the eddy flow fin opening line and eddy flow Ji Ta
The angle of bottom surface radial direction is 10 °~60 °, and opening line and the outer surface the eddy flow Ji Ta are tangent；
The eddy flow fin is identical as eddy flow nozzle vane quantity；
The direction of rotation of adjacent two column eddy flow spout is opposite；
The quick mixed cell direction of rotation of adjacent two column eddy flow is opposite.
The injection apparatus of the present embodiment, the device are set in denitration flue, and bioactive molecule and denitration flue gas may be implemented
Quick uniform mixing, effective less bioactive molecule the amount of injection.
The bioactive molecule energy saving and efficiency increasing bispin flow jet device includes bioactive molecule swirl injection pipe network, guiding connecting plate
With the quick mixed cell three parts of eddy flow.Bioactive molecule swirl injection pipe network is by summarizing main pipe, injection supervisor, connection branch pipe and rotation
Flow spout composition；Bioactive molecule injection supervisor is interconnected, and arranges perpendicular to flue of the flue gas flow direction in denitrating system；
Connection branch pipe in-line is staggered in arrangement in injection supervisor two sides；Eddy flow spout is located at connected component tube top end, spout injection direction with
Flue gas flow direction is consistent.Eddy flow spout is made of swirl vane, center blind plate.The quick mixed cell of eddy flow is by eddy flow Ji Ta, choked flow
Blind plate and tower contour stealth fin composition.
Above-mentioned injection pipe network, guiding connecting plate, the quick mixed cell of eddy flow can use carbon steel material, in order to extend device
Service life can carry out preservative treatment to above-mentioned component or directly adopt stainless steel material.In order to avoid bioactive molecule is to cigarette
The oxidation of road inner wall or device is oriented to connecting plate, the erosion resistant coating thickness of the quick mixed cell of eddy flow needs to thicken or using slightly
Thick stainless steel, the region behind flue inner wall mixed zone need to carry out erosion resistant coating thickening or inner liner stainless steel transformation.For applying
The security consideration of work, every injection supervisor, branch pipe, guiding connecting plate, eddy flow mixed cell can be prefabricated in outdoor welding, then
It is gradually interspersed in flue inside from flue by reserved mounting hole, and is fixed with bracket, so that each component be avoided to weld
The even fire of flue inner wall anti-corrosion damage layer caused by being fallen in journey because of Mars and so on.
Specifically, injection supervisor is parallel uniformly arrangement in bioactive molecule injection apparatus provided by the implementation case
More and it is perpendicular with circulation branch pipe, be evenly arranged in denitration flue and perpendicular to flue gas direction, in every injection supervisor
Upper that flow control valve is installed respectively, for bioactive molecule the amount of injection accurate adjusting and distribution.Each injection supervisor is by summarizing mother
Pipe is connected to bioactive molecule generating device, switch-mode regulation valve group is arranged in the outlet of bioactive molecule generating device, for activity point
Sub- generating device overhaul when injection apparatus shutdown and normal work when the total the amount of injection of bioactive molecule adjusting.The branch pipe that circulates is flat
Row evenly arranged more, in-line arrangement is responsible for two sides in injection, and eddy flow spout injection direction is consistent with flue gas flow direction.Each rotation
The corresponding quick mixed cell of eddy flow of spout is flowed, choked flow blind plate longitudinal center line and eddy flow spray at the top of the quick mixed cell of eddy flow
Mouth center blind plate longitudinal center line is consistent, and the quick mixed cell of eddy flow is welded in immediately below eddy flow spout by being oriented to connecting plate.
Flow control valve is separately provided in every injection supervisor in the utility model, realizes bioactive molecule the amount of injection
It is accurate to adjust and distribute, cooperate the circulation branch pipe of omnidirectional distribution, the flow area of flue gas is divided into the mixed of multiple areas equilibriums
Area is closed, the uniform injection of bioactive molecule is more advantageous to, bioactive molecule is reduced and mixes with flue gas blind area.
Adjacent eddy flow on length direction is responsible for away from 400mm is selected, in injection in the center of the adjacent injection supervisor of the present embodiment
The center of spout is away from for 150mm, at the center of injection supervisor adjacent eddy flow spout in the radial direction away from for 250mm.
The present embodiment uses eddy flow spout, and the diameter of eddy flow spout is 10mm, and spout is the 1/2 of nozzle diameter, spray
Main leg is 5 times of nozzle diameter before mouthful.Eddy flow spout is made of swirl vane, center blind plate, and center blind plate plays distribution stream
The effect of body and support blade, center blind plate diameter is the 1/2 of nozzle diameter, and the height of center blind plate is less than spout.
Swirl vane inner edge and center blind plate are contour, and outer rim height is equal with spout.Swirl vane, which is tilted a certain angle, to be fixed on
Between spout tube wall and center blind plate；Angle between swirl vane and horizontal plane, i.e. the blade elevation angle are 20 °；Swirl vane is opened
The angle of suture and radius, i.e. blade radial angle are 20 °, and opening line and center blind plate circle are tangent；The number of blade of swirl vane is 6
Piece；The percent opening of swirl vane, the i.e. ratio of airflow channel sectional area and area of injection orifice, percent opening are greater than 30%.Eddy flow spout
Outlet bioactive molecule effluxvelocity is 25m/s, is higher than flue gas flow rate；It is exported at eddy flow spout outlet for flaring, being used for will be active
The strong rotational gas flow of molecule is spread out with certain angle of flare.Bioactive molecule is divided by swirl vane, forms a series of rotation
Strong swirl jet forms a recirculating zone in the inside of strong rotating jet, and not only volume inhales surrounding flue gas to rotating jet on the outside of jet stream,
But also the volume smoking gas from recirculating zone, there is good " pumping " ability, makes a large amount of smoke backflow to spout root, enhancing work
Disturbance of the property molecule to flue gas.
The present embodiment static state quickly mixed cell equally eddy flow is used to design, by eddy flow Ji Ta, choked flow blind plate and tower outside
Eddy flow fin composition is welded in immediately below eddy flow spout by being oriented to connecting plate, is penetrated so that fully developed bioactive molecule revolves by force
Stream is spread out in relatively short distance by mixed cell.The attachment weld of guiding connecting plate and eddy flow Ji Ta are located at eddy flow Ji Ta
Inner surface, denitration flue gas will not butt welding slit at directly washing away, greatly reduce the time of contact of weld seam and flue gas, reduce de-
Corrosion of the smoke of gunpowder gas to weld seam, can effectively improve the service life of device, reduce the cost of overhaul of vulnerable part.Eddy flow Ji Ta is circle
Platform shape, choked flow blind plate are located at truncated cone-shaped base top of tower, and choked flow blind plate is hemispherical to prevent dust stratification, and eddy flow fin is along the circumferential direction
Uniform welding is in the outer surface Ji Ta.Choked flow blind plate diameter is identical as eddy flow nozzle diameter, and the side eddy flow Ji Ta is with bottom surface angle
45 °, eddy flow base tower base area is the 40% of the flue gross area.Eddy flow fin, which is tilted a certain angle, is fixed on eddy flow base tower appearance
Face, direction of rotation is consistent with eddy flow nozzle vane, depending on the swirl strength for neglecting eddy flow spout swirl vane greatly of tilt angle,
And the swirl strength of the quick mixed cell eddy flow fin of eddy flow is greater than the swirl strength of eddy flow spout swirl vane.Eddy flow fin with
Eddy flow nozzle vane quantity is consistent.The adjacent two column eddy flow spout of injection apparatus, the quick mixed cell direction of rotation of eddy flow are opposite.It is living
Property the strong rotational gas flow of molecule pass through the quick mixed cell further expansion eddy flow angle of flare of eddy flow, and formed back in eddy flow base tower bottom
Area is flowed, reinforces closing with the volume persorption of flue gas；Adjacent two column eddy flow spout, eddy flow quick mixed cell reverse rotation direction arrangement, shape
At symmetrical reverse reflux whirlpool, strengthens bioactive molecule again and mixed with the disturbance of flue gas, substantially reduce bioactive molecule and cigarette
The mixing distance of gas.
The injection apparatus of the present embodiment is using the setting of the double-cyclone of eddy flow spout and the quick mixed cell of eddy flow, bioactive molecule
Persorption is repeatedly rolled up with denitration flue gas to close, disturbance is strong, and bioactive molecule may be implemented and mix with the Quick uniform of flue gas, will mix away from
From foreshorten to 1m hereinafter, bioactive molecule the amount of injection save 10% or more.Eddy flow spout and flue gas stream use down current arrangement, effectively
The occurrence of spout is stifled grey is prevented；Apparatus main body critical component is welded, and structure is simple, and characteristics of compact layout is easy to process,
It is fixed in combination with installations such as flue internal overarm supports, without carrying out excessive transformation to flue, advantageously reduces improvement cost.
Finally it should be noted that listed above is only specific embodiment of the utility model.Obviously, this is practical new
Type is not limited to above embodiments, can also there is many variations.Those skilled in the art can be from disclosed by the utility model
All deformations for directly exporting or associating in content, are considered as the protection scope of the utility model.
Claims (10)
1. a kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device, it is characterised in that: including work
Property molecule swirl injection pipe network and the quick mixed cell of eddy flow；
The bioactive molecule swirl injection network management includes bioactive molecule injection pipe, and the bioactive molecule injection pipe is passed through flue, and
Several eddy flow spouts are connected in flue, the bioactive molecule is sprayed through the eddy flow spout, the eddy flow spout direction with
Flue gas flow direction is identical in the flue；
It is additionally provided with the quick mixed cell of eddy flow, each eddy flow spout is individually equipped with the quick mixed cell of eddy flow；The vortex flow quick
Fast mixed cell is oppositely arranged with the eddy flow spout, and the quick mixed cell of eddy flow includes eddy flow Ji Ta and eddy flow fin,
The eddy flow Ji Ta is equipped with eddy flow fin, the activity that the eddy flow base tower water conservancy diversion is sprayed from eddy flow spout towards eddy flow spout side
Molecule, and spread by eddy flow fin further expansion bioactive molecule eddy flow；
The bioactive molecule swirl injection pipe network and the quick mixed cell of the eddy flow select stainless steel material or through preservative treatment.
2. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as described in claim 1, special
Sign is: being additionally provided with guiding connecting plate, the guiding connecting plate is fixed on the bioactive molecule injection pipe, and supports the rotation
It flows quick mixed cell and is built up in eddy flow spout opposite end.
3. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as claimed in claim 1 or 2,
Be characterized in that: the bioactive molecule injection pipe includes summarizing main pipe, described if summarizing the dry-spray supervisor that main pipe be connected to described
If injection supervisor's connection dry-spray branch pipe, the injection branch pipe connect eddy flow spout；
Or, radial in-line is responsible in the injection or stagger arrangement is distributed several connection branch pipes, connected component tube top end connects eddy flow spray
Mouthful；
Or, the injection is responsible for perpendicular to flue gas flow direction in flue, and through setting in entire flue；
Or, described connection branch pipe one end is straight pipe one, is connected and with injection supervisor perpendicular to flue gas flow direction in flue, the other end
For straight pipe two and consistent with flue gas flow direction in flue, two straight pipes are connected in 90 ° of arrangements and by bending fillet elbow in 90 °
It connects, eddy flow spout is set with the consistent straight pipe end of flue gas flow direction in flue；
Or, the connection arms parallel and being evenly arranged with several, and it is evenly arranged in entire flue；
The injection supervisor installs electric and pneumatic flow control valve respectively, in every injection supervisor and smoke contacts in flue
Electric and pneumatic flow control valve is installed respectively to adjust and distribute bioactive molecule the amount of injection on position.
4. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as described in claim 1, special
Sign is: the eddy flow spout includes center blind plate and swirl vane, and the center blind plate is arranged in the middle part of eddy flow spout and leads to
It crosses the swirl vane and is fixed in the eddy flow spout inner wall；
Or, the eddy flow spout selects flaring eddy flow spout, bioactive molecule is gradually spread out by the eddy flow spout；
Or, the width of the center blind plate is the 1/4~2/3 of the eddy flow nozzle diameter.
5. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as claimed in claim 3, special
Sign is: the center of the adjacent eddy flow spout is away from being 100~500 millimeters on the injection supervisor length direction, described
The center of the injection supervisor adjacent eddy flow spout in the radial direction away from be 200~800 millimeters, center that adjacent injection is responsible for away from
It is 300~1000 millimeters；
Or, the eddy flow spout jet velocity is higher than the flue gas flow rate in flue, bioactive molecule sprays speed through the eddy flow spout
Degree is 5~25 meter per seconds, and the flue gas flow rate in the flue is 4~20 meter per seconds；
Or, the diameter of the eddy flow spout is 10~100 millimeters；
Or, the height of the eddy flow spout is the 1/4~2/3 of diameter；
Or, spraying 5~10 times that branch pipe flow development length is nozzle diameter before the eddy flow spout；
Or, the eddy flow spout to the distance between flue inner wall be less than the center of equidirectional adjacent eddy flow spout away from two/
One.
6. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as claimed in claim 4, special
Sign is: the swirl vane inclination is fixed between the eddy flow spout inner wall and the center blind plate；
Or, the angle between the swirl vane and horizontal plane is 10 °~40 °, the swirl vane opening line and spout are radial
The angle in direction is 15 °~40 °, and opening line and center blind plate circle are tangent；
Or, the number of blade of the swirl vane be 6~18, the percent opening of the swirl vane, i.e. airflow channel sectional area with
The ratio of area of injection orifice, percent opening 30-70%.
7. the energy-efficient multiple pollutant removing as described in 1,2,4,6 any claim of claim is double with bioactive molecule
Swirling jet unit, it is characterised in that: the quick mixed cell of eddy flow is additionally provided with choked flow blind plate；
The choked flow blind plate is arranged at eddy flow fin center, and the top of the eddy flow Ji Ta is arranged in, and the choked flow is blind
Plate guides bioactive molecule to spread by eddy flow fin eddy flow；
Or, the choked flow blind plate towards eddy flow spout side be convex surface；
Or, the choked flow blind plate outer profile is hemispherical；
Or, the choked flow blind plate longitudinal center line is consistent with the center blind plate longitudinal center line, the eddy flow quickly mixes list
Member is located at the underface of the flue gas flow direction of the eddy flow spout；
Or, the spacing of the choked flow blind plate and the eddy flow spout is the 2~5 of bioactive molecule swirling eddy unit rotation height
Times.
8. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as claimed in claim 7, special
Sign is: the summation of eddy flow base tower bottom face sectional area is the 40~70% of the flue gross area；
Or, the eddy flow Ji Ta is truncated cone-shaped, the side of the eddy flow Ji Ta and the angle of bottom surface are 30 °~75 °；
Or, the choked flow blind plate is located at the top of the rotary table of the eddy flow Ji Ta, the eddy flow fin uniform welding is in the eddy flow
The outer surface of Ji Ta；
Or, the choked flow blind plate diameter is 1/2~2 times of the eddy flow nozzle diameter.
9. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as claimed in claim 8, special
Sign is: the eddy flow fin is inclined at the outer surface the eddy flow Ji Ta, and rotates in the outer surface the eddy flow Ji Ta, institute
The direction of rotation for stating eddy flow fin is consistent with the direction of the swirl vane, and the swirl strength of the eddy flow fin is not less than described
The swirl strength of swirl vane；
Or, the angle between the eddy flow fin and horizontal plane is 10 °~50 °, the eddy flow fin opening line and eddy flow Ji Ta
The angle of bottom surface radial direction is 10 °~60 °, and opening line and the outer surface the eddy flow Ji Ta are tangent；
Or, the eddy flow fin is identical as eddy flow nozzle vane quantity.
10. energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device as described in claim 1, special
Sign is: the direction of rotation of adjacent two column eddy flow spout is opposite；
Or, the quick mixed cell direction of rotation of adjacent two column eddy flow is opposite.
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| CN201721881506.3U CN208839395U (en) | 2017-12-28 | 2017-12-28 | A kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device |
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| CN108097080A (en) * | 2017-12-28 | 2018-06-01 | 浙江百能科技有限公司 | A kind of energy-efficient multiple pollutant removing bioactive molecule bispin flow jet device |
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Denomination of utility model: An energy-saving and efficient active molecule double swirl jet device for removing various pollutants Effective date of registration: 20220322 Granted publication date: 20190510 Pledgee: Shanghai Guotai Junan Securities Asset Management Co.,Ltd. Pledgor: PYNEO CO.,LTD. Registration number: Y2022990000160 |
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