CN102435059B - Soft cable type flowing through type air distribution plate for fluidized bed - Google Patents
Soft cable type flowing through type air distribution plate for fluidized bed Download PDFInfo
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- CN102435059B CN102435059B CN2011103600776A CN201110360077A CN102435059B CN 102435059 B CN102435059 B CN 102435059B CN 2011103600776 A CN2011103600776 A CN 2011103600776A CN 201110360077 A CN201110360077 A CN 201110360077A CN 102435059 B CN102435059 B CN 102435059B
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Abstract
The invention relates to a soft cable type flowing through type air distribution plate for a fluidized bed, which is made of soft cables. The air distribution plate is formed by a plurality of soft cables which form a bar-shaped structure or a network structure at intervals, the soft cables are connected into one group or a plurality of groups and led to vibrate under the effect of a traction mechanism or the gravity of materials to achieve self cleaning for adhered materials. The traction mechanism comprises a traction crank, a horizontal connection rope and a vertical traction rope, the soft cables are connected into one group or the plurality of groups through the horizontal connection rope, each group of soft cables are connected with the traction crank through the vertical traction rope, and the traction crank controls movement of the vertical traction rope to drive the soft cables to vibrate. The air distribution plate has the advantages of being capable of reducing adhering quantity of materials and performing self-cleaning on the adhered wet materials under the condition that the machine is not stopped in the continuous operation.
Description
Technical field
The present invention relates to a kind of for air distribution plate new construction in the fluid bed of bulk granular material drying.
Background technology
Fluidization is the abbreviation of fluidization of solid.Namely rely on fluid flow function to make solid particle be suspended in the fluid or with the fluid process of flowing.Drying is one of important process process in many industrial production.Fluidized bed dryer is a kind of novel fluidized drying device that grows up nearly decades, has obtained extensive use on the drying of bulk granular material.
Air distribution plate is the critical component of fluidized bed dryer, and the air distribution plate of existing fluidized bed dryer is the rigid plate structure.Be not change shape with operating process.When this kind air distribution plate is used for the bigger wet stock of dry viscosity, is blown afloat the bigger material of humidity and sticked to the air distribution plate bottom easily, stopped up air rising hole gradually, influenced normal drying process.During serious the obstruction, normal in order to make operation recovery, just must shut down cleaning.This point is the disadvantage of existing air distribution plate.
Summary of the invention
After overcoming existing air distribution plate adhered materials; must shut down the shortcoming of cleaning; the purpose of this invention is to provide a kind of fluid bed with soft rope type flow-through type air distribution plate; this air distribution plate not only can reduce the material adhesive capacity; and can clear up voluntarily under the not shutdown situation and adhere to wet stock in continued operation.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of fluid bed is with soft rope type flow-through type air distribution plate, described fluidized bed air distribution plate adopts flexible soft rope to make, many the soft rope of flexibility is formed bar grating structure or network structure formation air distribution plate at a certain distance, the soft rope of flexibility is linked to be one or more groups, and the effect by draw-off mechanism and material gravity makes flexible soft rope vibration realize self-cleaning to adhered materials.
Described draw-off mechanism comprises tractive crank, horizontal connection cord, vertical pulling rope, by horizontal connection cord the soft rope of flexibility is connected to one or more groups, every group of flexible soft rope is connected with the tractive crank by vertical pulling rope, vibrates thereby drive flexible soft rope by the motion that the tractive crank is controlled vertical pulling rope.
The syndeton of described every group of flexible soft rope is: adjacent flexible soft rope connects by horizontal connection cord, is connected with the tractive crank by vertical pulling rope again.
The syndeton of the soft rope of described flexibility is: every the connection of a jumping one, namely flexible soft rope separately is connected to one group by horizontal connection cord, and two groups or more flexible soft rope is connected with the tractive crank by vertical pulling rope respectively; In use, the counter motion of two groups of tractive cranks makes adjacent flexible soft rope collide mutually to be beneficial to more adhered materials is realized self-cleaning.
The fluid bed of described structure is applicable to also that with soft rope type flow-through type air distribution plate the baffle plate that arranges is the structure of flexible soft rope in fluid bed.
Compared with prior art, the invention has the beneficial effects as follows:
1) in use, under the effect of updraught power, every soft rope of flexibility be because the flow-induced vibration can be vacillated now to the left, now to the right, and spacing changes frequently, and adhered materials is had self clean-up action.
2) the soft rope of each bar that spurs soft rope type air distribution plate by draw-off mechanism can shake up and down, and the obstruction material that sticks on the soft rope will come off with vibrations.
3) will be unified into two or more sets with draw-off mechanism respectively between non-conterminous soft rope, incorgruous pulling draw-off mechanism strengthens the tractive displacement and can make soft rope knock against each other, shakes adhered materials.
4) this device can be realized in the continued operation, clears up voluntarily under the not shutdown situation and has adhered to wet stock.
Description of drawings
Fig. 1-the 1st, basic structure front view of the present invention;
Fig. 1-2 is basic structure vertical view of the present invention;
Fig. 2-the 1st, the structural front view of the vertical tractive air distribution plate of multiple spot;
Fig. 2-the 2nd, the structure vertical view of the vertical tractive air distribution plate of multiple spot;
Fig. 3-1 is the structural front view of two groups of horizontal draw-off mechanism air distribution plates;
Fig. 3-2 is structure vertical views of two groups of horizontal draw-off mechanism air distribution plates;
Fig. 4-the 1st, the structural front view of network structure air distribution plate;
Fig. 4-the 2nd, the structure vertical view of network structure air distribution plate.
Among the figure: the horizontal connection cord of the flexible soft vertical pulling rope 4-of rope 2-tractive crank 3-of 1-
The specific embodiment
Embodiment 1
Fig. 1-1, Fig. 1-2 are basic block diagram of the present invention, this device is applied to the air distribution plate structure of fluid bed, the soft rope type of fluid bed flow-through type air distribution plate is made up of the soft rope of flexibility and draw-off mechanism, flexible soft rope can be rope form rope or chain rope, and draw-off mechanism comprises tractive crank 2, horizontal connection cord 4, vertical pulling rope 3.Many the soft rope 1 of flexibility is formed bar grating structure air distribution plate at a certain distance, and horizontal connection cord 4 is linked to be one or more groups with the soft rope 1 of flexibility, and the effect by draw-off mechanism and material gravity makes flexible soft rope vibration realize self-cleaning to adhered materials.Every group of flexible soft rope is connected with tractive crank 2 by vertical pulling rope 3 (one or more), thereby drives flexible soft rope 1 vibration by the motion of the vertical pulling rope 3 of tractive crank 2 controls.During 2 actions of tractive crank, by pulling rope the soft rope of air distribution plate is waved, and change the rope spacing, adhered materials is shaken to cause drop and is drawn.
Fig. 2-1, Fig. 2 the-the 2nd, and the vertical tractive air distribution plate of multiple spot figure forms draw-off mechanism by the vertical pulling rope 3 with many of a plurality of tractive cranks 2.Vertical pulling rope 3 only is connected with the flexible soft rope 1 of a part, and all the other structures are with embodiment 1.The flexible soft rope that connects vertical pulling rope 3 is done regular motion with tractive crank 2; The soft rope that does not connect vertical pulling rope also is pulled rope band and moves, and does irregular movement to soft rope spacing is changed frequently, can reach the effect of removing adhered materials.
Fig. 3-1, Fig. 3-2 is two groups of horizontal draw-off mechanism air distribution plate figure.Two groups of connections that flexible soft rope 1 adopts every a jumping one, namely flexible soft rope 1 separately is connected to one group by horizontal connection cord, and two groups or more flexible soft rope is connected with the tractive crank by vertical pulling rope respectively; In use, the counter motion of two groups of tractive cranks makes adjacent flexible soft rope collide mutually to be beneficial to more adhered materials is realized self-cleaning.By periodically oppositely spurring two groups of vertical pulling ropes, can bump and change the rope spacing between flexible soft rope, adhered materials is shaken to cause drop and is drawn.
Fig. 4-1, Fig. 4 the-the 2nd, network structure air distribution plate figure, and operating principle is identical with above-mentioned embodiment.
The fluid bed of structure of the present invention is applicable to also that with soft rope type flow-through type air distribution plate the baffle plate that arranges is the structure of flexible soft rope in fluid bed.
Air distribution plate of the present invention adopts the flexible soft rope that can change shape arbitrarily, can be rope, also can be the rope chain.Its material is determined according to process conditions.Can be metal material, also can be nonmetallic materials.Draw-off mechanism is set the flexible soft rope of air distribution plate is linked to be one or more groups, can drive this during the draw-off mechanism motion and organize soft rope swing.Flexible soft rope spacing will be done rule or irregular variation with swing.The draw-off mechanism action can be selected intermittently operated or continued operation according to degree of adhesion.
Claims (5)
1. a fluid bed is with soft rope type flow-through type air distribution plate, it is characterized in that, described fluidized bed air distribution plate adopts flexible soft rope to make, many the soft rope of flexibility is formed bar grating structure or network structure formation air distribution plate at a certain distance, the soft rope of flexibility is linked to be one or more groups, and the effect by draw-off mechanism and material gravity makes flexible soft rope vibration realize self-cleaning to adhered materials.
2. a kind of fluid bed according to claim 1 is with soft rope type flow-through type air distribution plate, it is characterized in that, described draw-off mechanism comprises tractive crank, horizontal connection cord, vertical pulling rope, by horizontal connection cord the soft rope of flexibility is connected to one or more groups, every group of flexible soft rope is connected with the tractive crank by vertical pulling rope, vibrates thereby drive flexible soft rope by the motion that the tractive crank is controlled vertical pulling rope.
3. a kind of fluid bed according to claim 2 is with soft rope type flow-through type air distribution plate, it is characterized in that, the syndeton of described every group of flexible soft rope is: adjacent flexible soft rope connects by horizontal connection cord, is connected with the tractive crank by vertical pulling rope again.
4. a kind of fluid bed according to claim 2 is with soft rope type flow-through type air distribution plate, it is characterized in that, the syndeton of the soft rope of described flexibility is: every the connection of a jumping one, namely flexible soft rope separately is connected to one group by horizontal connection cord, and two groups of flexible soft ropes are connected with the tractive crank by vertical pulling rope respectively; In use, the counter motion of two groups of tractive cranks makes adjacent flexible soft rope collide mutually to be beneficial to more adhered materials is realized self-cleaning.
5. a kind of fluid bed according to claim 1 and 2 is characterized in that with soft rope type flow-through type air distribution plate, and the fluid bed of described structure is applicable to also that with soft rope type flow-through type air distribution plate the baffle plate that arranges is the structure of flexible soft rope in fluid bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103600776A CN102435059B (en) | 2011-11-14 | 2011-11-14 | Soft cable type flowing through type air distribution plate for fluidized bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103600776A CN102435059B (en) | 2011-11-14 | 2011-11-14 | Soft cable type flowing through type air distribution plate for fluidized bed |
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| CN102435059A CN102435059A (en) | 2012-05-02 |
| CN102435059B true CN102435059B (en) | 2013-09-04 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571288A (en) * | 2009-06-19 | 2009-11-04 | 北京乡电电力有限公司 | Swirl air-distribution device of biomass fluidized bed |
| CN201606871U (en) * | 2009-12-18 | 2010-10-13 | 上海锅炉厂有限公司 | Grid plate |
| CN202361769U (en) * | 2011-11-14 | 2012-08-01 | 中冶焦耐(大连)工程技术有限公司 | Soft-rope-type cross-flow air distributer of fluidized bed |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8101964L (en) * | 1980-04-09 | 1981-10-10 | Foster Wheeler Energy Corp | FLUIDIZED BED HEAT EXCHANGER WITH AIR DISTRIBUTION PLATE |
| US7938071B2 (en) * | 2007-03-13 | 2011-05-10 | Alstom Technology Ltd. | Secondary air flow biasing apparatus and method for circulating fluidized bed boiler systems |
-
2011
- 2011-11-14 CN CN2011103600776A patent/CN102435059B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101571288A (en) * | 2009-06-19 | 2009-11-04 | 北京乡电电力有限公司 | Swirl air-distribution device of biomass fluidized bed |
| CN201606871U (en) * | 2009-12-18 | 2010-10-13 | 上海锅炉厂有限公司 | Grid plate |
| CN202361769U (en) * | 2011-11-14 | 2012-08-01 | 中冶焦耐(大连)工程技术有限公司 | Soft-rope-type cross-flow air distributer of fluidized bed |
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| CN102435059A (en) | 2012-05-02 |
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