CN103585907A - Specially-shaped box type static mixer - Google Patents
Specially-shaped box type static mixer Download PDFInfo
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- CN103585907A CN103585907A CN201310585619.9A CN201310585619A CN103585907A CN 103585907 A CN103585907 A CN 103585907A CN 201310585619 A CN201310585619 A CN 201310585619A CN 103585907 A CN103585907 A CN 103585907A
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Abstract
The invention aims at providing a specially-shaped box type static mixer which comprises a bracket and specially-shaped boxes, wherein each specially-shaped box is of a hollow structure, the upper, lower, front and back surfaces of the specially-shaped box are trapezoids in the same appearance size, short edges of the upper and lower surfaces are on the left side, short edges of the front and back surfaces are on the right side, the left and right ends of the specially-shaped box are both hollow rectangles to form an inlet and an outlet of the specially-shaped box, the specially-shaped boxes are sequentially arranged in the same direction and are fixed on the bracket, and the bracket is fixed in a mixing pipeline through a fastener. The specially-shaped box type static mixer is simple in structure, has no flowing dead angle, mixes sufficiently, is used in various industrial fields and is particularly suitable for mixing a reducing agent and smoke gas in front of an SCR (selective catalytic reduction) reactor.
Description
Technical field
What the present invention relates to is a kind of mixing arrangement of fluid, especially for the fluid mixer before SCR system response device.
Background technology
SCR post-processing technology is widely used as a kind of method of denitrating flue gas, and its principle is that reducing agent reacts generation nitrogen G&W with the NOx (nitrogen oxide) in flue gas under the effect of catalyst.Wherein, the blending degree of reducing agent and flue gas is a key factor that affects SCR system effectiveness, and the inhomogeneous denitration rate that has not only reduced system that reducing agent mixes with flue gas has also increased the sliding vector of ammonia simultaneously.Therefore, before SCR system response device, static mixer is installed conventionally, to solve the mixed problem of reducing agent and flue gas.
Because the flow velocity in reactor preceding pipeline is higher, existing business static mixer, as SK type, SV type, SL type and HEV type etc., to be applied in the pressure loss producing in SCR system higher, and it is standby while joining SCR system, can have certain requirement to the pressure loss of SCR entire system, this has just limited the application of these business static mixers.Existing static mixer, the pressure loss not only producing is larger, and easily stops up, installing/dismounting inconvenience.
Summary of the invention
The object of the present invention is to provide the pressure loss of generation little, mix fully, without the special-shaped boxlike static mixer of flow blind angle.
The object of the present invention is achieved like this:
The present invention's abnormity boxlike static mixer, it is characterized in that: comprise support, special-shaped box, described special-shaped box is hollow structure, its upper and lower, forward and backward four faces are identical trapezoidal of appearance and size, the minor face of upper and lower two faces is positioned at left side, former and later two minor face is positioned at right side, the left and right end of abnormity box is the rectangle of hollow, form the entrance and exit of special-shaped box, between abnormity box and special-shaped box, arrange in the same way successively and be fixed on support, support is fixed on the pipeline for mixing by securing member.
The present invention can also comprise:
1, described support comprises four, and four supports fix with upper and lower, forward and backward four faces of special-shaped box respectively.
2, the entrance of at least one special-shaped box and/or outlet are provided with baffle plate, plate washer be shaped as circle, ellipse or polygon, the area that plate washer blocks is no more than 1/2 of entrance or discharge area.
3, point-blank, and this straight line overlaps with the center line of pipeline for mixing the center line of all special-shaped boxes; On the entrance of first special-shaped box that fluid is flowed through, baffle plate is installed, plate washer be shaped as circle, ellipse or polygon, the area that plate washer blocks is no more than 1/2 of inlet area.
Advantage of the present invention is: the present invention is simple in structure, without flow blind angle, mixes fully, can be used for various industrial circles, is specially adapted to SCR(SCR) agent of reactor pre reduction mixes with flue gas.
Accompanying drawing explanation
Fig. 1 is that the present invention is positioned at the ducted structural representation for mixing;
Fig. 2 is structural representation of the present invention;
Fig. 3 is special-shaped box monomer structure schematic diagram of the present invention;
Fig. 4 is mixing principle schematic diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, for example the present invention is described in more detail:
In conjunction with Fig. 1～4, abnormity boxlike static mixer, by the special-shaped box 2 being placed in pipeline 1, support 3 and securing member 4 form, the dead in line of the center line of blender and pipeline 1,8 special-shaped boxes 2 are linear array at a certain distance, and is fixed on support 3, and securing member 4 is clamped support 3 and is fixed in pipeline 1 inwall.The four sides of abnormity box is respectively the trapezoidal of identical appearance size, and upper and lower surface is unidirectional trapezoidal, and two sides, left and right is trapezoidal after the Rotate 180 degree of top and bottom, and the entrance of special-shaped box is rectangle, and outlet is the rectangle of the same size after 90-degree rotation.A baffle plate has been placed in first special-shaped box porch of special-shaped boxlike static mixer in this example, and special-shaped box is thereafter all without baffle plate.The support 3 of abnormity boxlike static mixer is made by angle steel, and the radial cross-section of support is circle, ellipse or polygon, and support is along mixer centerline direction, evenly opens groove or the hole of some, is convenient to fluid and passes, blending.
Abnormity boxlike static mixer is positioned in pipeline 1, can be split into two-layerly when fluid to be mixed is flowed through first special-shaped box 2, and one deck, along special-shaped box 2 flows outside, by the guide functions of special-shaped box 2 housings, flows pipeline 1 core flow laterally.Another layer enters in special-shaped box 2, in box, mixes.The baffle plate 5 of placing in the entrance center position of first special-shaped box 2, flows the fluid that is more conducive to pipeline 1 center laterally; From the fluid parts of first special-shaped box 2 interior outflows, can enter in second special-shaped box 2 and mix, another part flows along second special-shaped box 2 hull outside, makes the direction of flow outside at pipeline 1 center; And the outside of continuing to flow through second special-shaped box 2 housing from the mobile fluid part of first special-shaped box 2 hull outside, another part enters in second special-shaped box 2, makes direction of flow pipeline 1 center in outside; Like this, by the guide functions of special-shaped box 2 housings, the locus of fluid is changed, and in 8 special-shaped boxes 2 and between special-shaped box 2, form fluid local mixing region.Fluid, through shunting repeatedly, converges and local mixing, may ultimately reach desirable mixed effect, and in mixed process, the flow direction of fluid is shown in Fig. 4.
The present invention includes the special-shaped box 2 being placed in pipeline 1, support 3 and securing member 4, is characterized in that the dead in line of center line and the pipeline 1 of blender, and several special-shaped boxes 2 are linear array at a certain distance, be fixed on support 3, securing member 4 is clamped support 3 and is fixed in pipeline 1 inwall.
The rectangle entrance of abnormity box 2 and there is plate washer 5 in exit or without plate washer 5.
Support 3, along mixer centerline direction, is evenly opened groove or the hole of some.
The radial cross-section of support 3 is circle, ellipse or polygon.
The number of plate washer 5 is one or more, plate washer 5 be shaped as circle, ellipse or polygon.
The area summation that plate washer 5 blocks is no more than 1/2 of rectangular area.
When fluid is flowed through first special-shaped box 2, be split into two-layerly, one deck is along special-shaped box 2 flows outside, by the guide functions of special-shaped box 2 housings, pipeline 1 core flow flowed laterally.Another layer enters in special-shaped box 2, in box, mixes; From the fluid parts of first special-shaped box 2 interior outflows, can enter in second special-shaped box 2 and mix, another part flows along second special-shaped box 2 hull outside, makes the direction of flow outside at pipeline 1 center; And the outside of continuing to flow through second special-shaped box 2 housing from the mobile fluid part of first special-shaped box 2 hull outside, another part enters in second special-shaped box 2, makes direction of flow pipeline 1 center in outside; Like this, by the guide functions of special-shaped box 2 housings, the locus of fluid is changed, and in each special-shaped box 2 and between special-shaped box 2, form fluid local mixing region.Fluid, through shunting repeatedly, converges and local mixing, may ultimately reach desirable mixed effect.
Claims (5)
1. special-shaped boxlike static mixer, it is characterized in that: comprise support, special-shaped box, described special-shaped box is hollow structure, its upper and lower, forward and backward four faces are identical trapezoidal of appearance and size, the minor face of upper and lower two faces is positioned at left side, former and later two minor face is positioned at right side, the left and right end of abnormity box is the rectangle of hollow, form the entrance and exit of special-shaped box, between abnormity box and special-shaped box, arrange in the same way successively and be fixed on support, support is fixed on the pipeline for mixing by securing member.
2. special-shaped boxlike static mixer according to claim 1, is characterized in that: described support comprises four, and four supports fix with upper and lower, forward and backward four faces of special-shaped box respectively.
3. special-shaped boxlike static mixer according to claim 1 and 2, it is characterized in that: entrance and/or the outlet of at least one special-shaped box are provided with baffle plate, plate washer be shaped as circle, ellipse or polygon, the area that plate washer blocks is no more than 1/2 of entrance or discharge area.
4. special-shaped boxlike static mixer according to claim 1 and 2, is characterized in that: point-blank, and this straight line overlaps with the center line of pipeline for mixing the center line of all special-shaped boxes; On the entrance of first special-shaped box that fluid is flowed through, baffle plate is installed, plate washer be shaped as circle, ellipse or polygon, the area that plate washer blocks is no more than 1/2 of inlet area.
5. special-shaped boxlike static mixer according to claim 3, is characterized in that: point-blank, and this straight line overlaps with the center line of pipeline for mixing the center line of all special-shaped boxes; On the entrance of first special-shaped box that fluid is flowed through, baffle plate is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585619.9A CN103585907A (en) | 2013-11-20 | 2013-11-20 | Specially-shaped box type static mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310585619.9A CN103585907A (en) | 2013-11-20 | 2013-11-20 | Specially-shaped box type static mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103585907A true CN103585907A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310585619.9A Pending CN103585907A (en) | 2013-11-20 | 2013-11-20 | Specially-shaped box type static mixer |
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| CN (1) | CN103585907A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636156A (en) * | 2018-04-25 | 2018-10-12 | 哈尔滨工程大学 | A kind of abnormity boxlike mixer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489208A (en) * | 1965-10-06 | 1970-01-13 | Degussa | Reaction column |
| US4511258A (en) * | 1983-03-25 | 1985-04-16 | Koflo Corporation | Static material mixing apparatus |
| US4964733A (en) * | 1986-08-20 | 1990-10-23 | Beloit Corporation | Method of and means for hydrodynamic mixing |
| EP2111917A1 (en) * | 2008-04-25 | 2009-10-28 | Presswerk Struthütten GmbH | Static mixer, method for manufacturing the same, and mixer assembly |
| CN201579003U (en) * | 2009-10-22 | 2010-09-15 | 江苏三星化工有限公司 | Novel high-speed electro-desalting static mixer |
-
2013
- 2013-11-20 CN CN201310585619.9A patent/CN103585907A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3489208A (en) * | 1965-10-06 | 1970-01-13 | Degussa | Reaction column |
| US4511258A (en) * | 1983-03-25 | 1985-04-16 | Koflo Corporation | Static material mixing apparatus |
| US4964733A (en) * | 1986-08-20 | 1990-10-23 | Beloit Corporation | Method of and means for hydrodynamic mixing |
| EP2111917A1 (en) * | 2008-04-25 | 2009-10-28 | Presswerk Struthütten GmbH | Static mixer, method for manufacturing the same, and mixer assembly |
| CN201579003U (en) * | 2009-10-22 | 2010-09-15 | 江苏三星化工有限公司 | Novel high-speed electro-desalting static mixer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108636156A (en) * | 2018-04-25 | 2018-10-12 | 哈尔滨工程大学 | A kind of abnormity boxlike mixer |
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Application publication date: 20140219 |