CN102829282A - Balancing device for balancing airflow in gas channel - Google Patents
Balancing device for balancing airflow in gas channel Download PDFInfo
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- CN102829282A CN102829282A CN2012102995763A CN201210299576A CN102829282A CN 102829282 A CN102829282 A CN 102829282A CN 2012102995763 A CN2012102995763 A CN 2012102995763A CN 201210299576 A CN201210299576 A CN 201210299576A CN 102829282 A CN102829282 A CN 102829282A
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Abstract
The invention provides a balancing device for balancing airflow in a gas channel. Distribution of airflow in the gas channel can be balanced, and accordingly the whole gas channel is filled with gas. The balancing device comprises a fixing support and a plurality of retaining plates. The retaining plates are fixedly arranged on the fixing support lengthwise sequentially, and the fixing support can be sleeved in the gas channel. The retaining plates are provided with airflow holes for airflow to pass through and solid parts retaining airflow to form swirls. When gas passes through the balancing device, the solid parts of the retaining plates can retain the gas, partial gas can be retained by the retaining plates to return, the returned gas and gas subsequently entering form an airflow front, and swirl gas is form, namely a channel with the fixing support is filled with the swirl gas. When the fixing support containing the plurality of retaining plates is disposed in the gas channel, the gas channel can be filled with the gas which is evenly distributed in the gas channel.
Description
Technical field
The present invention relates to the gas communication technical field, particularly relate to a kind of load balancing mechanism that is used for air-flow in the equalization gas passage.
Background technique
In daily productive life field, smoke pollution is more and more serious, in view of flue gas to the harm of environment, the monitoring of solid particulate matter contained in the flue gas is also seemed particularly important.
In the more serious place of smoke pollution, generally adopt the particle concentration monitor that particle concentration contained in the flue gas is monitored in real time.
Particle concentration monitor of the prior art; Usually be connected the side of flue, link to each other through flange between flue and the particle concentration monitor, monitor is provided with light source; The light source outside is provided with protection glass; The light that light source sends sees through protection glass and takes in the flue, detects the situation that light is blocked then, thereby gets the concentration of smoke outlet flue endoparticle thing.
In the concentration monitor process of above-mentioned particulate matter; Flue gas in the flue probably can see through the protection glass of the hollow cavity arrival monitor of flange; Because flue gas contains the gas of partial corrosion property; This corrosive gas is the corrosion protection eyeglass constantly, and then reduces the working life of monitor.
For realizing protection to protection glass; Can in the hollow cavity of flange, feed sweep gas, this sweep gas is generally pressurized air, and sweep gas is blown between protection glass and flange; Flow into the hollow cavity in the flange then; Flue gas is intercepted in flue, be equivalent between flue gas and protection glass, form a barrier, can play the effect of protection protection glass.
But the acting prerequisite of above-mentioned sweep gas is its hollow cavity that can be full of flange, if sweep gas can not be full of hollow cavity, flue gas still can be penetrated into the surface of monitor, corrosion protection eyeglass through the space in the flange.In the practice, sweep gas all is that the end from flange is blown into basically, and the distribution of sweep gas in flange is uneven, that is to say, sweep gas is difficult to be full of fully the hollow cavity of flange, or even can't be full of the hollow cavity of flange fully at all.Therefore, sweep gas of the prior art is merely able to delay to a certain extent the corrosion of protection glass, can not make it avoid the corrosion of flue gas.
In addition, at other gaseous emission or Detection range, sometimes also need be with balanced being distributed in the cavity of gas.
To sum up can know how a kind of device of balanced air-flow is set, so that the gassiness passage of gas is the present technical issues that need to address of those skilled in the art.
Summary of the invention
The purpose of this invention is to provide a kind of load balancing mechanism that is used for air-flow in the equalization gas passage, can the distribution of balanced air-flow in passage, make gas be full of whole gas channel.
For solving the problems of the technologies described above; The present invention provides a kind of load balancing mechanism that is used for air-flow in the equalization gas passage; Said load balancing mechanism comprises fixed support and a plurality of catch; A plurality of said catch fixedly install along said support bracket fastened length direction successively, and said fixed support can be sleeved in the passage of gas; Said catch has the airflow hole that air feed stream passes through, and barrier air is to form the entity portion of eddy current.
When the said load balancing mechanism of gas process; Said catch will stop gas; The airflow hole that part gas can pass through said catch continues to flow forward; Another gas can be in the refluxed that stops of the entity portion of catch, and the gas of backflow and the gas of follow-up entering form an air-flow sharp side, constitute swirl gas.According to above-mentioned principle, can both be full of by swirl gas between each adjacent catch, and catch sets gradually along support bracket fastened length direction, that is to say, in the residing cavity scope of fixed support, can be full of swirl gas.When the fixed support that a plurality of said catch are installed was placed in the passage of gas, the gas of feeding just can be full of this passage, and air-flow is evenly distributed in this passage.In addition, load balancing mechanism of the present invention can be applied in any occasion that need carry out equilibrium to gas, can realize the even distribution of gas in its space of living in.
Preferably, said fixed support comprises two support beams, and each said catch all has two through holes, and two said through holes supply two said support beams to pass respectively.
Fixed support can be made up of two simple support beams, and each catch is fixed on the said support beam through its through hole is interspersed respectively, and it is relatively simple for structure, is easy to produce install, and all right conservation reduces production costs.
Preferably, two said support beams laterally arrange, and a plurality of said catch are all vertical with two said support beams.
When being sheathed on support beam in the gas channel; Can make the length direction of support beam identical with the bearing of trend of gas channel; Because catch is vertical with support beam to be provided with; Then can make the residing plane of entity portion of said catch be substantially perpendicular to the flow direction of gas,, thereby form eddy current so that better air-flow is stopped.
Preferably, said catch is circular setting.
Because most gas channel all is circular cavity; Catch is arranged to circular can effectively stopping gas; The gas at annulus middle part is just smoothly through cavity, and the gas at annulus two ends stopped, thereby forms swirl gas with the gas of follow-up entering; Under the reflecting action of cavity inner wall; The flow velocity of this swirl gas is relatively large; Then can there be the space in can circle round the rapidly middle part of annulus of swirl gas in the cavity, and also just can not pass this gas channel to extraneous gas provides any chance; Air-flow can be covered with whole cavity quickly and evenly, can also improve the uniformity that air-flow distributes simultaneously in cavity.
Preferably, two of each said catch said through holes are about the center of circle symmetry of said catch.
Two through holes of said catch relatively disperse, and two described support beams can be respectively pass from two side ring surfaces in the center of circle of said catch, and then make the fixing more firm of said catch.
Preferably, the spacing between the adjacent two said catch equates.
Preferably, each said catch is parallel to each other.
The form that is provided with of catch can be various; Adopt above-mentioned interval to equate or parallel setting; Can make that the distribution of catch on fixed support is more even; Not only can simplify the process that catch is connected with fixed support, can also make that the air-flow between each catch is more even, reduce the nonuniformity that air-flow distributes between the two adjacent catch.
Preferably, the number of said catch is 5 to 9.
The present invention also provides a kind of flange; Said flange has flange main body and the connecting end that is positioned at flange main body two ends; Two said connecting ends link to each other with the particle concentration monitor with flue respectively; Said flange main body has hollow cavity, is set with above-mentioned each described load balancing mechanism in the hollow cavity of said flange.
Load balancing mechanism of the present invention is applied to flange; The connecting end of said flange main body links to each other with flue with the particle concentration monitor respectively; Feed sweep gas in the hollow cavity of flange main body, this sweep gas can continue to be covered with the hollow cavity of whole flange under the effect of load balancing mechanism, and then sweep gas can intercept flue gas in flue fully; Flue gas just can not come in contact with the particle concentration monitor, more can not the corrosion protection eyeglass.
Preferably, the inwall of said flange main body can fit with the edge of a plurality of catch of said load balancing mechanism.
When fit in the edge of the inwall of said flange main body and catch; The inwall of said flange main body does not stop air-flow from different directions with the entity part of catch; The flow velocity of this gyration airflow that stops formation is very fast, can be full of whole hollow cavity rapidly.
Description of drawings
Fig. 1 is the structure front view of load balancing mechanism provided by the present invention in a kind of embodiment;
Fig. 2 is the structural representation of a kind of set-up mode of catch provided by the present invention;
User mode schematic representation when Fig. 3 is installed in the flange of a kind of flue joint for load balancing mechanism provided by the present invention.
Embodiment
Core of the present invention provides a kind of load balancing mechanism that is used for air-flow in the equalization gas passage, can the distribution of balanced air-flow in passage, and make gas be full of whole gas channel.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 1 is the structure front view of load balancing mechanism provided by the present invention in a kind of embodiment.
In a kind of embodiment; The load balancing mechanism that is used for air-flow in the equalization gas passage of the present invention comprises fixed support 1 and a plurality of catch 2; A plurality of catch 2 fixedly install along the length direction of fixed support 1 successively, and a plurality of catch 2 are distributed on the fixed support 1 comparatively dispersedly, so that the whole length direction of fixed support 1 all is furnished with catch 2; Each catch 2 all has airflow hole 22 (referring to Fig. 2); The part air-flow can flow through through airflow hole 2; Catch 2 also has the entity portion 23 that air-flow is stopped, under the stopping of entity portion 23, has the part airflow reflux, and then forms eddy current with the air-flow of follow-up entering.During use, the fixed support 1 that needs a plurality of catch 2 will be installed is sleeved in the passage of gas, and fixed support 1 can be covered with whole gas channel basically.
During use; Load balancing mechanism provided by the present invention is placed in the passage of gas; In the time of in gas feeds said passage; The catch 2 nearest apart from the gas access will stop gas, thereby the part air-flow can continue to flow forward through the airflow hole 22 of catch 2, and the gas that is stopped by the entity portion 23 of catch 2 will reflux; The air-flow that refluxes converges with the air-flow that just gets into from the gas access mutually; Because the flow direction of the air-flow that converges is different, two kinds of air-flows will form the sharp side when converging, and the air-flow that in addition refluxes has diffusion to a certain degree; Air-flow after converging will produce vortex phenomenon, forms swirl gas; This swirl gas will constantly circle round between the wall of catch 2 and gas channel, and then this section passage is full of.In like manner; Between two adjacent catch 2, also can form above-mentioned swirl gas; Fixed support 1 is equivalent to whole gas channel is divided into several parts; All can be full of between every part, be full of gas in the then whole gas channel, and gas can keep evenly distributing in said gas channel basically by swirl gas.Said swirl gas is converged by the gas of above-mentioned reflux gas and follow-up entering and forms, and what this swirl gas can circle round in its residing cavity flows, and is similar to eddy current, so locate to be called swirl gas.
Can load balancing mechanism mentioned above further be improved.
Fixed support 1 can be made up of a plurality of struts, also can be the quadra of a rule, can also be with the set within it structures such as cylinder of portion of a plurality of catch 2.In a kind of preferred embodiment; Fixed support 1 comprises two identical support beams 11, and support beam 11 is elongated strut, and two support beams 11 can be arranged in parallel; Have two through holes 21 at each catch 2; Through hole 21 is provided with support beam 11 couplings, so that two support beams 11 can pass two through holes 21 respectively, thereby a plurality of catch 2 is fixed on the fixed support 1.
Can expect, can adopt dismountable the connection between support beam 11 and the catch 2, also can adopt the setting of global formation.For example support beam 11 can adopt interference fit with through hole 21, and then makes catch 2 be fixedly installed on the fixed support 1.Certainly, also can adopt set screw nut to realize that spiral connects, set screw nut is inserted in the through hole 21 spirally, then set screw nut tightened, catch 2 just can achieve a fixed connection with support beam 11; When needs were removed, only need set screw nut be back-outed got final product simple operation.
In the above-described embodiments, fixed support 1 only adopts two support beams 11 to constitute, and has not only saved raw material and has also simplified course of working to a great extent; Simultaneously, 2 needs of catch are provided with two through holes 21 and get final product on its end face, and two through holes 21 are connected with two support beams 11 respectively, can constitute a complete load balancing mechanism, it is simple in structure, be easy to produce install, cost is lower; When load balancing mechanism goes wrong, can change support beam 11 or catch 2 separately, operate fairly simple.
Under the situation that two support beams 11 laterally arrange, a plurality of catch 2 can also with the 11 vertical settings of two support beams, the entity portion 23 residing planes of promptly a plurality of catch 2 and the medial axis of support beam 11 are perpendicular.When being sheathed on support beam 11 in the gas channel; Can make the length direction of support beam 11 identical with the bearing of trend of gas channel; Because catch 2 and support beam 11 vertical settings then can make the entity portion 23 residing planes of said catch 2 be substantially perpendicular to the flow direction of gas, entity portion 23 can be fully utilized; So that better air-flow is stopped, thereby the flow velocity and the flow of the feasible eddy current that forms are bigger.
Please refer to Fig. 2, Fig. 2 is the structural representation of a kind of set-up mode of catch provided by the present invention.
In addition, the shape of catch 2 is more various, can play the effect of barrier gas as long as guarantee catch 2, and certainly, catch 2 also should have hollow portion, makes portion gas to flow to a back catch 2 from previous catch 2.Wherein a kind of preferred set-up mode is arranged to catch 2 circular, as shown in Figure 2 exactly.
In most of the cases, the passage of gas is circular cavity, with catch 2 be arranged to circular can be so that catch 2 more snugly be placed in the cavity; In the time of in gas feeds gas channel, portion gas continues circulation forward through the airflow hole 22 of circular catch 2 hollow portions, and portion gas is stopped by the entity portion 23 of catch 2 ring belts in addition; And then with the gas of the follow-up inflow formation swirl gas that crosses each other: because the banded entity portion 23 of annulus is more near the cavity inner wall of passage; Under the reflecting action of cavity inner wall, swirl gas can circle round rapidly, arrives the annulus middle part of catch 2 then; The space of whole catch 2 front ends is surrounded; And then can fast gas be full of whole gas channel, and guarantee not exist in this gas channel any gap, also just can not pass this gas channel to extraneous gas provides any chance; The rapid speed of its equalization gas can also improve the uniformity that air-flow distributes simultaneously in gas channel.
On this basis, two of each catch 2 through holes 21 can be symmetrical set about the center of circle of catch 2.At this moment, two settings that through hole 21 can disperse relatively, two support beams 11 just can provide support power to two relative toroidal surfaces of catch 2 through two through holes 21, to improve catch 2 fixation stability property.
Need to prove that the front end described in this paper is reference with the flow direction of gas all with end, the end that gas flows into is described front end, and is corresponding, and the end gas flow in other words end pointed that gas flows out is described end.
Can expect that except the shape of catch 2, the set-up mode of a plurality of catch 2 also can produce considerable influence to the portfolio effect of air-flow.Can take the permutation and combination of arbitrary form between a plurality of catch 2.Obviously; It is more stable that a plurality of catch 2 are arranged in parallel the air-flow that can make in the gas channel; The resistance from catch 2 that air-flow receives is consistent basically, and then the conformity of air-flow is better, and the amplitude that its flow velocity successively decreases is consistent, the flow direction remains unchanged basically; And then the gas in the whole gas channel maintained a metastable state, help the equiblibrium mass distribution of air-flow.
Simultaneously, the spacing between adjacent two catch 2 can equate.The spacing that keep to equate between a plurality of catch 2, then flow velocity and the flow of the swirl gas that between two adjacent catch 2, forms of air-flow can remain on same level, and the distribution of air-flow is just compared even; Adopt being provided with of equating at interval to make the easier for installation of a plurality of catch 2.
The number of catch 2 can be adjusted according to the length of gas channel.Generally, for guaranteeing the even distribution of air-flow in gas channel, the number of catch 2 is generally 5 to 9.Certainly, if gas channel is long or too short, can increase or reduce the number of catch 2 accordingly.
The application area of the load balancing mechanism of air-flow provided by the present invention is more extensive, everyly need carry out balanced occasion to the air-flow in the cavity and all can adopt.For example, can apply it to the equilibrium of sweep gas in the monitoring of flue gas endoparticle substrate concentration.
Please refer to Fig. 3, the user mode schematic representation when Fig. 3 is installed in the flange of a kind of flue joint for load balancing mechanism provided by the present invention.
The present invention also provides a kind of flange; In a kind of embodiment; Flange 3 comprises the flange main body, is arranged in the connecting end at flange main body two ends (figure does not mark, and only illustrate with two end faces, and two end faces is overlapping with the outer wall of the tube wall of flue 4, particle concentration monitor 5 respectively); Two connecting ends link to each other with particle concentration monitor 5 with flue 4 respectively; The flange main body has hollow cavity 31, in hollow cavity 31, is set with above-mentioned each described load balancing mechanism 7, also is provided with sweep gas inlet 6 between flange 3 and the particle concentration monitor 5.Generally, sweep gas can adopt pressurized air, after sweep gas gets into from sweep gas inlet 6; The part sweep gas is in the refluxed that stops of the catch of load balancing mechanism 7; The sweep gas that refluxes and the sweep gas of follow-up entering form the sharp side, constitute swirl gas, in the cavity of flange 3, circle round then; When flange 3 is full of by sweep gas; Sweep gas will intercept flue gas in flue 4, and then flue gas can not pass flange 3, can not come in contact with the eyeglass 51 of particle concentration monitor 5 more; Just can not corrode yet, thereby prolong working life of eyeglass 51 eyeglass 51.In addition, the light that sends from the particle concentration monitor just can pass through eyeglass 51 smoothly, and then realizes the monitoring of flue 4 endoparticle substrate concentrations, has improved the precision of monitoring.
Wherein, the inwall 32 of flange main body can fit with the edge of a plurality of catch of load balancing mechanism 7.At this moment; Basically there is not the gap between catch and the inwall 32; Catch can stop the air-flow that gets into from different directions continuously with inwall 32, the chance of any buffering is not provided, the rapid speed that air-flow circles round to air-flow; Then gyration airflow can flow to the middle part of hollow cavity 31 soon, and then air-flow is full of hollow cavity 31 fully; Simultaneously, air-flow circles round from its inside of two side direction of catch respectively, and the raising of the flow velocity of two sidewinds can impel between the two and exchanges fully, has also just improved the uniformity that air-flow distributes in hollow cavity 31 to a certain extent.
As space is limited, this paper only is that example describes with the sweep gas, but this can not be interpreted as that load balancing mechanism of the present invention can only be used for the equilibrium of sweep gas.As stated, the application's load balancing mechanism is applicable to the various occasions that need carry out equilibrium to gas.
More than load balancing mechanism that is used for air-flow in the equalization gas passage provided by the present invention and the flange that is set with this load balancing mechanism have been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand core concept of the present invention.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. load balancing mechanism that is used for air-flow in the equalization gas passage; It is characterized in that; Said load balancing mechanism comprises fixed support and a plurality of catch, and a plurality of said catch fixedly install along said support bracket fastened length direction successively, and said fixed support can be sleeved in the passage of gas; Said catch has the airflow hole that air feed stream passes through, and barrier air is to form the entity portion of eddy current.
2. load balancing mechanism as claimed in claim 1 is characterized in that, said fixed support comprises two support beams, and each said catch all has two through holes, and two said through holes supply two said support beams to pass respectively.
3. load balancing mechanism as claimed in claim 2 is characterized in that, each said catch is parallel to each other.
4. load balancing mechanism as claimed in claim 3 is characterized in that, two said support beams laterally arrange, and a plurality of said catch are all vertical with two said support beams.
5. load balancing mechanism as claimed in claim 4 is characterized in that said catch is circular setting.
6. load balancing mechanism as claimed in claim 5 is characterized in that, two said through holes of each said catch are about the center of circle symmetry of said catch.
7. like each described load balancing mechanism of claim 1 to 6, it is characterized in that the spacing between the two adjacent said catch equates.
8. like each described load balancing mechanism of claim 1 to 6, it is characterized in that the number of said catch is 5 to 9.
9. flange; Said flange has flange main body and the connecting end that is positioned at flange main body two ends; Two said connecting ends link to each other with the particle concentration monitor with flue respectively; Said flange main body has hollow cavity, it is characterized in that, is set with above-mentioned 1 to 8 each described load balancing mechanism in the hollow cavity of said flange.
10. flange as claimed in claim 9 is characterized in that, the inwall of said flange main body can fit with the edge of a plurality of catch of said load balancing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299576.3A CN102829282B (en) | 2012-08-21 | 2012-08-21 | Balancing device for balancing airflow in gas channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210299576.3A CN102829282B (en) | 2012-08-21 | 2012-08-21 | Balancing device for balancing airflow in gas channel |
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| Publication Number | Publication Date |
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| CN102829282A true CN102829282A (en) | 2012-12-19 |
| CN102829282B CN102829282B (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210299576.3A Active CN102829282B (en) | 2012-08-21 | 2012-08-21 | Balancing device for balancing airflow in gas channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191899A (en) * | 2022-01-14 | 2022-03-18 | 勤山过滤系统(苏州)有限公司 | Coating air current filter equipment |
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| CN2143712Y (en) * | 1992-11-13 | 1993-10-13 | 郭长岭 | Wear-resistance flow regulator |
| US5495872A (en) * | 1994-01-31 | 1996-03-05 | Integrity Measurement Partners | Flow conditioner for more accurate measurement of fluid flow |
| CN2641427Y (en) * | 2003-09-19 | 2004-09-15 | 杨家华 | Fluid medium circulation balancing device |
| CN201851834U (en) * | 2010-11-18 | 2011-06-01 | 中国有色(沈阳)泵业有限公司 | Pressure reducing orifice plate of test running system of diaphragm pump |
| CN102365436A (en) * | 2009-03-27 | 2012-02-29 | 排放技术有限公司 | Honeycomb body for an exhaust gas purification system |
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2012
- 2012-08-21 CN CN201210299576.3A patent/CN102829282B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031595A (en) * | 1988-09-21 | 1989-03-08 | 景尔强 | A kind of airflow noise-elimination method and device |
| CN2143712Y (en) * | 1992-11-13 | 1993-10-13 | 郭长岭 | Wear-resistance flow regulator |
| US5495872A (en) * | 1994-01-31 | 1996-03-05 | Integrity Measurement Partners | Flow conditioner for more accurate measurement of fluid flow |
| CN2641427Y (en) * | 2003-09-19 | 2004-09-15 | 杨家华 | Fluid medium circulation balancing device |
| CN102365436A (en) * | 2009-03-27 | 2012-02-29 | 排放技术有限公司 | Honeycomb body for an exhaust gas purification system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114191899A (en) * | 2022-01-14 | 2022-03-18 | 勤山过滤系统(苏州)有限公司 | Coating air current filter equipment |
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| CN102829282B (en) | 2015-05-27 |
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