CN114413626B - Fluidized bed furnace with multiple air distribution functions - Google Patents
Fluidized bed furnace with multiple air distribution functions Download PDFInfo
- Publication number
- CN114413626B CN114413626B CN202210144220.6A CN202210144220A CN114413626B CN 114413626 B CN114413626 B CN 114413626B CN 202210144220 A CN202210144220 A CN 202210144220A CN 114413626 B CN114413626 B CN 114413626B
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- China
- Prior art keywords
- air
- blower
- base plate
- fluidized bed
- dust
- Prior art date
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- 238000005315 distribution function Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 81
- 238000002485 combustion reaction Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 239000000758 substrate Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/10—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B15/00—Fluidised-bed furnaces; Other furnaces using or treating finely-divided materials in dispersion
- F27B15/02—Details, accessories, or equipment peculiar to furnaces of these types
- F27B15/12—Arrangements of dust collectors
Abstract
The invention relates to the technical field of fluidized bed furnaces and discloses a fluidized bed furnace with a multiple air distribution function, which comprises a combustion chamber and an air blower, wherein the bottom of the combustion chamber is communicated with the air blower, an air inlet of the air blower is provided with a connecting sleeve, one end of the connecting sleeve, which is far away from the air blower, is fixedly provided with an air inlet pipe, the bottom of the air inlet pipe is fixedly provided with a supporting frame, and the outer side of the air inlet pipe is provided with four mounting holes which are arranged in an equidistant front-back alternating manner. This fluidized bed furnace with many times air distribution function possesses advantages such as pretreatment to air-blower air intake dust, has solved the supporting air-blower of present fluidized bed furnace and has been located the below of furnace body, and the air-blower is working under the extremely high environment of dust content simultaneously, and when the air-blower is at many times air distribution in-process, air carries dust to be inhaled in a large number, directly gets into the air-blower opportunity like this and adheres to on the internal assembly, and along with accumulating both can cause the excessive wearing and tearing of subassembly, influences the problem of subassembly operation again.
Description
Technical Field
The invention relates to the technical field of fluidized bed furnaces, in particular to a fluidized bed furnace with a multiple air distribution function.
Background
The fluidized solid roasting process of fluidized bed furnace has reaction heat released to produce sulfur dioxide containing gas for producing sulfuric acid, slag as metallurgical material, and the fluidized bed furnace has air blower for air conveying, secondary air, supplementary air, exchange between diffused bubble phase and granule phase, combustion supporting and cooling, tertiary air, etc.
The matched blower of the fluidized bed furnace is positioned below the furnace body, and the blower works under the environment with extremely high dust content, when the blower is used for distributing air for many times, a large amount of dust is sucked, so that the air directly enters the blower and can be adhered to the internal components, excessive abrasion of the components can be caused along with accumulation, and the operation of the components is influenced.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the fluidized bed furnace with the multiple air distribution function, which has the advantages of preprocessing dust at the air inlet of the air blower and the like, and solves the problems that the air blower matched with the existing fluidized bed furnace is positioned below a furnace body, the air blower works in an environment with extremely high dust content, and when the air blower is used for distributing air for multiple times, a large amount of dust carried by air is sucked, so that the dust directly enters the air blower and is adhered to an internal component, and excessive abrasion of the component is caused along with accumulation, and the operation of the component is influenced.
(II) technical scheme
The technical scheme for solving the technical problems is as follows: the utility model provides a fluidized bed furnace with many times air distribution function, includes combustion chamber and air-blower, the bottom intercommunication of combustion chamber has the air-blower, the air intake of air-blower is provided with adapter sleeve, the one end fixed mounting that adapter sleeve kept away from the air-blower has the guide duct, the bottom fixed mounting of guide duct has the support frame, the mounting hole that is equidistant front and back alternate arrangement is seted up in the outside of guide duct, the outside of guide duct is provided with the dust board that quantity is four and one end runs through the mounting hole and extend to the inside of guide duct, four the top and the bottom of dust board all communicate there is the intake pipe, the outside fixed mounting of guide duct has the quantity to eight and evenly distributed and the engaging lug of dust board left and right sides, four the one end that the dust board is located the guide duct all is provided with both ends and extends to adjacent engaging lug opposite one side respectively, be provided with the fixing bolt group between mount, two engaging lugs and the dust board, a plurality of and the air-supply line that is located the mounting hole left in the outside of guide duct.
The beneficial effects of the invention are as follows:
this fluidized bed furnace with many times air distribution function, through setting up the air-blower, when the air-blower operation is joined in marriage the wind, let in hot air by the intake pipe earlier, heat the dust board, and along with dust board temperature keeps the back, the inside dry environment that forms of guide duct, air intake and adapter sleeve department form the negative pressure, it is inhaled through the guide duct with external air, the air that gets into receives the dust board earlier and obstructs, some dust in the air can direct adhesion to the dust board, dry dust board forms static and adsorbs the dust, the inside dust of air is got rid of just like this, and the back can flow away from the passageway that dust board and guide duct formed, with the second dust board block, carry out the dust removal again, when the air is through second dust board below, the air that gets into by the intake pipe takes place the striking with the air of process, make the air blow to the second dust board, continue the dust to adsorb, then the air that converges moves towards next dust board together, the last dust board flows through the adapter sleeve again, get into the air-blower, through such a mode, make under the dust board cooperation make inside form the passageway that the dust board and make the intake pipe contact with the air inlet pipe, the dust has reached the purpose of dust that the dust is got rid of in advance at the air-blower.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the adapter sleeve includes the connecting pipe, the connecting pipe has been cup jointed in the air intake outside of air-blower, the outside threaded connection of connecting pipe has one end to extend to the locking bolt in the air intake outside of air-blower, the right side fixed mounting of connecting pipe has the connection pad.
The air inlet pipe is connected with the air blower through the connecting pipe, and the air inlet pipe is connected with the air blower through the air inlet pipe.
Further, the arc section angle of mounting hole is greater than one hundred eighty degrees, the dust board is the rectangular plate, the length of dust board equals with the external diameter length of guide duct.
Further, the dust board includes the base plate, peg graft in the outside of mounting hole has one end to extend to the inside base plate of guide duct, the equal fixed mounting in left and right sides of base plate has the sealing rubber who laminates with the guide duct, the inside of base plate is provided with the rectangle chamber, sealing rubber is located base plate and mounting hole junction, intake pipe and rectangle chamber intercommunication.
The technical scheme has the beneficial effects that when the substrate is inserted into the air guide pipe through the mounting hole, the substrate props against the mounting hole, and meanwhile, the sealing rubber is coated at the joint of the substrate and the mounting hole, so that the sealing installation of the substrate is assisted.
Further, the mount includes U type frame, the one end that the base plate is located the guide duct outside is provided with the U type frame that both ends extend to two engaging lugs one side that is opposite to each other respectively, the inside fixed mounting of U type frame has the limiting plate that is located the base plate left and right sides and laminates with the engaging lug.
Further, the fixed bolt group comprises a bolt and a nut, the bolt traverses the U-shaped frame, the two connecting lugs and the base plate, and the other end of the bolt is in threaded connection with the nut attached to the U-shaped frame.
The beneficial effect of adopting above-mentioned further scheme is, carries out the butt joint restriction to the base plate through the limiting plate, cooperates the engaging lug to set up U type frame in the guide duct outside, accomplishes fixedly by fixing bolt group at last.
Further, the air inlet pipe is obliquely arranged, and an air outlet of the air inlet pipe is positioned on the right side of the substrate.
Further, the pin holes are formed in the U-shaped frame, the limiting plate and the base plate, the outer side of the U-shaped frame is provided with a bolt inserted into the pin holes, and the base plate is provided with a liquid outlet hole communicated with the rectangular cavity relative to one side of the U-shaped frame.
Further, the pin hole is communicated with the liquid outlet, and the U-shaped frame is positioned at the outer side of the liquid outlet.
The beneficial effect of adopting above-mentioned further scheme is, carries out the shutoff to the play liquid hole through the U type frame, like this after the base plate demolishs, can directly clear up the rectangle chamber through going out the liquid hole.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the air duct of the present invention;
FIG. 3 is a top cross-sectional view of the air duct of the present invention;
FIG. 4 is a side view of the structure of the present invention, FIG. 2;
FIG. 5 is a side cross-sectional view of the structure of the present invention, FIG. 4;
fig. 6 is a schematic perspective view of a structural substrate according to the present invention.
In the figure: 1. a combustion chamber; 2. a blower; 3. a connection sleeve; 31. a connecting disc; 32. a connecting pipe; 33. a locking bolt; 4. an air guide pipe; 5. a support frame; 6. a mounting hole; 7. a dust-blocking plate; 71. a substrate; 72. sealing rubber; 73. a rectangular cavity; 8. an air inlet pipe; 9. a connecting lug; 10. a fixing frame; 101. a U-shaped frame; 102. a limiting plate; 11. a set of fixing bolts; 12. a plug pin; 13. an air inlet pipe; 14. a pin hole; 16. and a liquid outlet hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The first embodiment is shown in fig. 1-4, the fluidized bed furnace with multiple air distribution functions comprises a combustion chamber 1 and an air blower 2, wherein the bottom of the combustion chamber 1 is communicated with the air blower 2, an air inlet of the air blower 2 is provided with a connecting sleeve 3, one end of the connecting sleeve 3 far away from the air blower 2 is fixedly provided with an air guide pipe 4, the bottom of the air guide pipe 4 is fixedly provided with a supporting frame 5, the outer side of the air guide pipe 4 is provided with four mounting holes 6 which are alternately arranged front and back at equal distances, the outer side of the air guide pipe 4 is provided with four dust baffle plates 7, one ends of the dust baffle plates 7 penetrate through the mounting holes 6 and extend into the air guide pipe 4, the top and the bottom of the four dust baffle plates 7 are respectively communicated with an air inlet pipe 8, the outer side of the air guide pipe 4 is fixedly provided with eight connecting lugs 9 which are uniformly distributed on the left side and the right side of the dust baffle plates 7, one end of the four dust baffle plates 7 are respectively provided with a fixing frame 10, two ends of the dust baffle plates 7 extend to the back side of the adjacent connecting lugs 9, a fixing set 11 is arranged between the two connecting lugs 9 and the dust baffle plates 7, and the outer side of the dust guide pipe 4 is provided with a plurality of air inlet holes 13, and the dust guide plates are arranged on the outer side of the dust guide pipe 6.
The connecting sleeve 3 comprises a connecting pipe 32, the outer side of the air inlet of the blower 2 is sleeved with the connecting pipe 32, the outer side of the connecting pipe 32 is in threaded connection with a locking bolt 33, one end of the locking bolt extends to the outer side of the air inlet of the blower 2, and the right side of the connecting pipe 32 is fixedly provided with a connecting disc 31.
By turning the lock bolt 33, the connection pipe 32 is separated from the inside of the connection pipe 32, and then the connection pipe 32 is pulled to take the connection pipe 32 off the blower 2, so that the disassembly is convenient.
The arc section angle of the mounting hole 6 is larger than one hundred eighty degrees, the dust plate 7 is a rectangular plate, and the length of the dust plate 7 is equal to the outer diameter length of the air guide pipe 4.
The dust board 7 includes the base plate 71, and the outside grafting of mounting hole 6 has one end to extend to the inside base plate 71 of guide duct 4, and the equal fixed mounting in left and right sides of base plate 71 has the sealing rubber 72 that laminates with guide duct 4, and the inside of base plate 71 is provided with rectangular chamber 73, and sealing rubber 72 is located the junction of base plate 71 and mounting hole 6, and intake pipe 8 and rectangular chamber 73 communicate.
When the base plate 71 is inserted into the air guide pipe 4 through the mounting hole 6, the sealing rubber 72 covers the connection part between the base plate 71 and the mounting hole 6 while the base plate 71 is propped against the mounting hole 6, and the auxiliary base plate 71 is mounted in a sealing manner.
The fixing frame 10 comprises a U-shaped frame 101, one end of the base plate 71, which is positioned at the outer side of the air guide pipe 4, is provided with the U-shaped frame 101, two ends of the U-shaped frame 101 extend to one side, opposite to the two connecting lugs 9, and limiting plates 102 which are positioned at the left side and the right side of the base plate 71 and are attached to the connecting lugs 9 are fixedly arranged in the U-shaped frame 101.
The fixing bolt group 11 includes a bolt and a nut, the bolt traverses the U-shaped frame 101, the two connecting lugs 9 and the base plate 71, and the other end of the bolt is connected with the nut attached to the U-shaped frame 101 in a threaded manner.
The base plate 71 is limited in butt joint through the limiting plate 102, the U-shaped frame 101 is arranged on the outer side of the air guide pipe 4 in cooperation with the connecting lugs 9, and finally the fixing is completed through the fixing bolt group 11.
The air inlet pipe 13 is obliquely arranged, and an air outlet of the air inlet pipe 13 is positioned on the right side of the base plate 71.
Working principle:
through setting up air-blower 2, when air-blower 2 operation air distribution, let in hot air by intake pipe 8 earlier, heat dust board 7, and along with dust board 7 temperature keep behind, the inside dry environment that forms of guide duct 4, air intake and adapter sleeve 3 department form the negative pressure when air-blower 2, it is inhaled through guide duct 4 to with external air, the air that gets into receives dust board 7 earlier and obstructs, some dust in the air can direct adhesion to dust board 7, dry dust board 7 forms the electrostatic to the dust absorption, the inside dust of air is got rid of just like this, then can flow away from the passageway that dust board 7 and guide duct 4 formed, with the second dust board 7, carry out the dust removal again, when the air passes through second dust board 7 below, the air that gets into by air-inlet pipe 13 and the air of process take place the impact, make the air blow to second dust board 7, continue the dust absorption, then the air that converges moves down next dust board 7 together, again through dust board 7 flows to adapter sleeve 3, get into in 2, through dust board 7 like this, make the dust board 7 and make the inside dust board and the air form the air that passes through the guide duct 7 and make the inside dust board that passes through in the mode of making the air-blower contact with the guide duct 7 and make the inside dust board 13 take shape in the mode.
In the second embodiment, as shown in fig. 3-6, in the fluidized bed furnace with multiple air distribution functions, pin holes 14 are formed in the U-shaped frame 101, the limiting plate 102 and the base plate 71, pins 12 inserted into the pin holes 14 are arranged on the outer side of the U-shaped frame 101, and a liquid outlet hole 16 communicated with the rectangular cavity 73 is formed in one side of the base plate 71 opposite to the U-shaped frame 101.
The pin hole 14 is communicated with the liquid outlet hole 16, and the U-shaped frame 101 is positioned outside the liquid outlet hole 16.
The liquid outlet hole 16 is plugged by the U-shaped frame 101, so that after the substrate 71 is removed, the rectangular cavity 73 can be cleaned directly by the liquid outlet hole 16。
Working principle:
through setting up the base plate 71, when carrying out guide duct 4 clearance, can rotate locking bolt 33, break away from in the connecting pipe 32, again in pulling connecting pipe 32, take off from air-blower 2 with connecting pipe 32, then unscrew fixing bolt group 11, and take off from base plate 71, engaging lug 9 and U type frame 101, again pulling base plate 71, treat that base plate 71 breaks away from mounting hole 6 completely, pulling bolt 12 breaks away from in the pinhole 14 earlier, again pulling base plate 71 makes it break away from between limiting plate 102, liquid outlet 16 exposes simultaneously like this, then wash base plate 71 surface dust, again pour into the washing water into liquid outlet 16, clear up inside.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fluidized bed furnace with many times air distribution function, includes combustion chamber (1) and air-blower (2), its characterized in that: the bottom of the combustion chamber (1) is communicated with a blower (2), an air inlet of the blower (2) is provided with a connecting sleeve (3), one end of the connecting sleeve (3) away from the blower (2) is fixedly provided with an air guide pipe (4), the bottom of the air guide pipe (4) is fixedly provided with a supporting frame (5), the outer side of the air guide pipe (4) is provided with four mounting holes (6) which are arranged in a front-back alternating mode at equal distance, the outer side of the air guide pipe (4) is provided with four dust baffle plates (7) with one ends penetrating through the mounting holes (6) and extending to the inner part of the air guide pipe (4), the top and the bottom of the four dust boards (7) are communicated with an air inlet pipe (8), hot air is introduced into the air inlet pipe (8), the outer sides of the air guide pipes (4) are fixedly provided with eight connecting lugs (9) which are uniformly distributed on the left side and the right side of the dust boards (7), the four dust boards (7) are positioned at one ends of the air guide pipes (4) and are respectively provided with fixing frames (10) with two ends respectively extending to the opposite sides of the adjacent connecting lugs (9), fixing bolt groups (11) are arranged among the fixing frames (10), the two connecting lugs (9) and the dust boards (7), the outer side of the air guide pipe (4) is provided with a plurality of air inlet pipes (13) which are positioned at the left side of the mounting hole (6);
the dust baffle (7) comprises a base plate (71), the outer side of the mounting hole (6) is inserted with a base plate (71) with one end extending into the air guide pipe (4), sealing rubber (72) attached to the air guide pipe (4) is fixedly arranged on the left side and the right side of the base plate (71), a rectangular cavity (73) is formed in the base plate (71), the sealing rubber (72) is located at the joint of the base plate (71) and the mounting hole (6), and the air inlet pipe (8) is communicated with the rectangular cavity (73);
the air inlet pipe (13) is obliquely arranged, and an air outlet of the air inlet pipe (13) is positioned on the right side of the base plate (71).
2. The fluidized bed furnace with multiple air distribution functions according to claim 1, wherein: the connecting sleeve (3) comprises a connecting pipe (32), the outer side of an air inlet of the air blower (2) is sleeved with the connecting pipe (32), one end of the outer side of the connecting pipe (32) is connected with a locking bolt (33) extending to the outer side of the air inlet of the air blower (2) in a threaded manner, and the right side of the connecting pipe (32) is fixedly provided with a connecting disc (31).
3. The fluidized bed furnace with multiple air distribution functions according to claim 1, wherein: the arc section angle of mounting hole (6) is greater than one hundred eighty degrees, dust board (7) are rectangular plate, the length of dust board (7) equals with the external diameter length of guide duct (4).
4. The fluidized bed furnace with multiple air distribution functions according to claim 1, wherein: the fixing frame (10) comprises a U-shaped frame (101), one end of the base plate (71) located on the outer side of the air guide pipe (4) is provided with the U-shaped frame (101) of which two ends extend to one side opposite to the two connecting lugs (9), and limiting plates (102) located on the left side and the right side of the base plate (71) and attached to the connecting lugs (9) are fixedly installed in the U-shaped frame (101).
5. The fluidized bed furnace with multiple air distribution functions according to claim 4, wherein: the fixing bolt group (11) comprises a bolt and a nut, the bolt traverses the U-shaped frame (101), the two connecting lugs (9) and the base plate (71), and the other end of the bolt is connected with the nut attached to the U-shaped frame (101) in a threaded manner.
6. The fluidized bed furnace with multiple air distribution functions according to claim 4, wherein: pin holes (14) are formed in the U-shaped frame (101), the limiting plate (102) and the base plate (71), bolts (12) inserted into the pin holes (14) are arranged on the outer side of the U-shaped frame (101), and liquid outlet holes (16) communicated with the rectangular cavity (73) are formed in one side of the base plate (71) opposite to the U-shaped frame (101).
7. The fluidized bed furnace with multiple air distribution functions according to claim 6, wherein: the pin hole (14) is communicated with the liquid outlet hole (16), and the U-shaped frame (101) is positioned at the outer side of the liquid outlet hole (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144220.6A CN114413626B (en) | 2022-02-17 | 2022-02-17 | Fluidized bed furnace with multiple air distribution functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144220.6A CN114413626B (en) | 2022-02-17 | 2022-02-17 | Fluidized bed furnace with multiple air distribution functions |
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| Publication Number | Publication Date |
|---|---|
| CN114413626A CN114413626A (en) | 2022-04-29 |
| CN114413626B true CN114413626B (en) | 2023-11-03 |
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| CN202210144220.6A Active CN114413626B (en) | 2022-02-17 | 2022-02-17 | Fluidized bed furnace with multiple air distribution functions |
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| CN213810600U (en) * | 2020-11-07 | 2021-07-27 | 贵州泰福石膏有限公司 | Furnace structure of high-efficient burning of fluidized bed furnace for gypsum board production |
| CN214425981U (en) * | 2020-12-22 | 2021-10-19 | 湖北信业热能工程有限公司 | Air inlet pipe of fluidized bed furnace |
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