CN217614649U - Circulating fluidized bed - Google Patents
Circulating fluidized bed Download PDFInfo
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- CN217614649U CN217614649U CN202221819011.9U CN202221819011U CN217614649U CN 217614649 U CN217614649 U CN 217614649U CN 202221819011 U CN202221819011 U CN 202221819011U CN 217614649 U CN217614649 U CN 217614649U
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- fluidized bed
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Abstract
The utility model discloses a circulating fluidized bed, which comprises a fluidized bed shell and a circulating structure, wherein a fan is spliced on the left side of the fluidized bed shell, a base is integrally formed at the bottom of the fluidized bed shell, a combustion cavity is integrally formed at the upper part inside the fluidized bed shell, and the circulating structure is spliced on the right side of the fluidized bed shell; the circulating structure comprises a circulating shell, the circulating shell is fixed to the top of the fluidized bed shell through bolts, an air extracting pump is inserted in the left side of the circulating shell in an inserting mode, an electric push rod is inserted in the top of the circulating shell in an inserting mode, the direction of the output end of the electric push rod is the lower portion, a pull shaft is fixed to the bottom of the electric push rod through bolts, a scraper is fixed to the bottom of the pull shaft through bolts, and the left side and the right side of the scraper slide movably with the inner walls of the left side and the right side of the circulating shell. Possess and install loop configuration on fluidized bed casing right side, can carry out the material that needs the secondary to carry out the burning and circulate burning, need not increase advantages such as manufacturing cost that unnecessary burning chamber saved the fluidized bed greatly.
Description
Technical Field
The application relates to the technical field of fluidized beds, in particular to a circulating fluidized bed.
Background
The circulating fluidized bed is fluidized at the gas velocity higher than the free settling velocity of the particles, the particles are carried out by the gas flow, the gas and the solid are separated, and the solid is circulated back to the fluidized bed formed in the bed layer. It has many uses in industry, such as for catalytic cracking, where the catalyst is fluidized and transported by heavy oil vapors in a riser while the reaction takes place. The deactivated catalyst at the top of the riser is separated from the oil and gas and then fed to another fluidized reactor (regenerator), fluidized by air and regenerated. The regenerated catalyst is circulated back to the lift pipe to form the catalytic cracking reactor of the circulating fluidized bed.
In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, the materials in the existing fluidized bed can be precipitated and fall to the bottom of the fluidized bed shell through the air distribution plate after being combusted in the combustion chamber, the materials at the moment need to be combusted again through heating and air intake, if the combustion chamber is enhanced in the fluidized bed shell, the production cost of the fluidized bed can be greatly improved, and the circulating fluidized bed is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the application provides a circulating fluidized bed, possess and install circulating structure on fluidized bed casing right side, can carry out the material that burns with the needs secondary and circulate the burning, need not increase unnecessary burning chamber and save advantages such as manufacturing cost of fluidized bed greatly, the inside material of fluidized bed that has solved current is after the burning of burning chamber, can deposit rethread air distribution plate and drop to fluidized bed casing bottom, the material this moment again through the heating with admit air and need burn once more, if at burning chamber of inside reinforcing of fluidized bed casing again, so will promote the manufacturing cost's of fluidized bed problem greatly.
To sum up, the present application provides the following technical solutions: the utility model provides a circulating fluidized bed, includes fluidized bed casing and loop construction, it has the fan to peg graft in fluidized bed casing left side, fluidized bed casing bottom integrated into one piece has the base, the inside upper portion integrated into one piece of fluidized bed casing has the combustion chamber, loop construction pegs graft in fluidized bed casing right side.
Circulation structure includes the circulation casing, circulation casing bolted fixation is at fluidized bed casing top, and it has the aspiration pump to peg graft in circulation casing left side, it has electric putter to peg graft at circulation casing top, electric putter output direction is the lower part, electric putter bottom bolted fixation has the axle that draws, the axle that draws bottom bolted fixation has the scraper blade, the scraper blade left and right sides all slides with circulation casing left and right sides inner wall activity, scraper blade lower part integrated into one piece has the dust screen, it has the circulating pipe to peg graft on circulation casing right side, circulating pipe bottom left side is pegged graft with fluidized bed casing right side, circulation casing bottom integrated into one piece has the circulation discharging pipe, circulation discharging pipe right side integrated into one piece has electric valve.
Further, the top of the fluidized bed shell is integrally formed with an air outlet, and the right side of the fluidized bed shell is inserted with a slag discharge port.
The beneficial effect of adopting the further scheme is that: and discharging the sediment in the material through a slag discharge port.
Furthermore, the upper part of the left side of the fluidized bed shell is inserted with a first air inlet, and one side of the left side of the fluidized bed shell, which is close to the middle part, is integrally formed with a feed inlet.
The beneficial effect of adopting the further scheme is that: and feeding oxygen into the fluidized bed through the first air inlet to react with the materials.
Furthermore, an air distribution plate is inserted in the right side of the fan, and the air distribution plate is fixed on the inner wall of the fluidized bed shell through bolts.
The beneficial effect of adopting the further scheme is that: the inside of the fluidized bed is quickly ventilated by matching the air distribution plate with the fan.
Further, a preheating pipe is integrally formed at the lower portion of the left side of the fluidized bed shell, a preheating switch is integrally formed at the left side of the preheating pipe, and a second air inlet is inserted into the bottom of the preheating pipe.
The beneficial effect of adopting the above further scheme is: the materials can be provided with a temperature suitable for reaction through the preheating pipe.
Furthermore, the circulating pipe is externally sleeved with two fixing shafts.
The beneficial effect of adopting the above further scheme is: the circulating pipe is fixed by the two fixing shafts, so that the connecting performance of the circulating pipe and the fluidized bed shell is stronger.
Compared with the prior art, the application provides a circulating fluidized bed, possesses following beneficial effect:
1. this circulating fluidized bed possesses and installs loop construction on fluidized bed casing right side, can carry out the material that needs the secondary to carry out the burning and circulate the burning, need not increase advantages such as manufacturing cost that fluidized bed was saved greatly in unnecessary burning chamber.
2. The circulating fluidized bed solves the problem of ventilation in the fluidized bed shell through the air distribution plate.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present application;
fig. 2 is a schematic view of the cycle structure shown in fig. 1 of the present application.
Description of the reference numerals:
in the figure: 1. an air outlet; 2. a first air inlet; 3. a feeding port; 4. a fan; 5. a preheating pipe; 6. a preheating switch; 7. a second air inlet; 8. a combustion chamber; 9. a circulation structure; 901. an electric push rod; 902. an air pump; 903. a circulating housing; 904. pulling the shaft; 905. a squeegee; 906. a dust screen; 907. a fixed shaft; 908. a circulation pipe; 909. an electrically operated valve; 9010. circulating the discharge pipe; 10. a slag discharge port; 11. a wind distribution plate; 12. a base; 13. a fluidized bed housing.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1-2, a circulating fluidized bed, includes a fluidized bed housing 13 and a circulating structure 9, a blower 4 is inserted into the left side of the fluidized bed housing 13, a base 12 is integrally formed at the bottom of the fluidized bed housing 13, a combustion chamber 8 is integrally formed at the upper portion of the inside of the fluidized bed housing 13, and the circulating structure 9 is inserted into the right side of the fluidized bed housing 13.
In this embodiment, the gas outlet 1 is integrally formed at the top of the fluidized bed housing 13, the slag discharge port 10 is inserted into the right side of the fluidized bed housing 13, and the slag discharge port 10 can discharge residues accumulated inside the fluidized bed housing 13 in time, so that the service life of the fluidized bed housing 13 is prolonged.
In this embodiment, the upper portion of the left side of the fluidized bed housing 13 is inserted with the air inlet one 2, one side of the left side of the fluidized bed housing 13 close to the middle portion is integrally formed with the feeding port 3, and the air inlet one 2 and the feeding port 3 are matched to feed materials to the fluidized bed housing 13.
In this embodiment, fan 4 is pegged graft in the right side and is had grid 11, and grid 11 can promote the inside ventilation efficiency of fluidized bed casing 13, and grid 11 bolt fastening is in fluidized bed casing 13 inner wall.
In this embodiment, fluidized bed casing 13 left side lower part integrated into one piece has preheating pipe 5, and preheating pipe 5 can make the material after the burning filtration combine the reaction with gas once more and reach better reaction effect, and preheating pipe 5 left side integrated into one piece has preheating switch 6, and the grafting has air inlet two 7 in preheating pipe 5 bottom.
In this embodiment, the circulation pipe 908 is inserted into the right side of the circulation housing 903, the left side of the bottom of the circulation pipe 908 is inserted into the right side of the fluidized bed housing 13, and the circulation pipe 908 is inserted into the circulation housing 903 and the fluidized bed housing 13 to realize material circulation.
In this embodiment, the circulating tube 908 is externally sleeved with two fixing shafts 907, and the fixing shafts 907 can stabilize the circulating tube 908.
In this embodiment, a circulation discharge pipe 9010 is integrally formed at the bottom of the circulation casing 903, an electric valve 909 is integrally formed at the right side of the circulation discharge pipe 9010, and the circulation discharge pipe 9010 feeds the circulated material into the fluidized bed casing 13 again through the electric valve 909.
The working principle of the above embodiment is as follows:
when the material drops to fluidized bed casing 13 bottom after burning and filtration take a breath, air pump 902 takes a breath to circulating casing 903 inside this moment, and electric putter 901 operates and drives scraper 905 and slide down, and can produce pressure and then inhale circulating casing 903 inside with the material of fluidized bed casing 13 bottom through circulating pipe 908 when scraper 905 slides down when scraper 905, and electric putter 901 moves dust screen 906 downwards this moment and absorbs the material behind the inside dust of material and carries out the automatic discharging circulation through electric valve 909 on circulating discharging pipe 9010 right side.
This circulating fluidized bed possesses and installs loop configuration on fluidized bed casing right side, can carry out the material that needs the secondary to carry out the burning and circulate burning, need not increase advantages such as manufacturing cost that fluidized bed was saved greatly in unnecessary burning chamber.
The circulating fluidized bed solves the problem of air exchange inside the fluidized bed shell through the air distribution plate.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A circulating fluidized bed comprising a fluidized bed housing (13) and a circulating structure (9), characterized in that: the left side of the fluidized bed shell (13) is inserted with the fan (4), the bottom of the fluidized bed shell (13) is integrally formed with the base (12), the upper part inside the fluidized bed shell (13) is integrally formed with the combustion chamber (8), and the circulating structure (9) is inserted at the right side of the fluidized bed shell (13);
circulation structure (9) are including circulation casing (903), circulation casing (903) bolt fastening is at fluidized bed casing (13) top, and it has aspiration pump (902) to peg graft in circulation casing (903) left side, it has electric putter (901) to peg graft in circulation casing (903) top, electric putter (901) output direction is the lower part, electric putter (901) bottom bolt fastening has pull axle (904), pull axle (904) bottom bolt fastening has scraper blade (905), scraper blade (905) the left and right sides all with circulation casing (903) left and right sides inner wall activity slip, scraper blade (905) lower part integrated into one piece has dust screen (906), circulation casing (903) right side is pegged graft and is had circulating pipe (908), circulating pipe (908) bottom left side is pegged graft with fluidized bed casing (13) right side, circulation casing (903) bottom integrated into one piece has circulation discharging pipe (9010), circulation discharging pipe (9010) right side integrated into one piece has electric valve (909).
2. A circulating fluidized bed according to claim 1, wherein: the top of the fluidized bed shell (13) is integrally formed with an air outlet (1), and the right side of the fluidized bed shell (13) is inserted with a slag discharge port (10).
3. A circulating fluidized bed according to claim 1, wherein: the upper portion of the left side of the fluidized bed shell (13) is connected with a first air inlet (2) in an inserted mode, and one side, close to the middle portion, of the left side of the fluidized bed shell (13) is integrally formed with a feeding port (3).
4. A circulating fluidized bed according to claim 1, wherein: the right side of the fan (4) is inserted with an air distribution plate (11), and the air distribution plate (11) is fixed on the inner wall of the fluidized bed shell (13) through bolts.
5. A circulating fluidized bed according to claim 1, wherein: the fluidized bed shell (13) left side lower part integrated into one piece has preheating pipe (5), preheating pipe (5) left side integrated into one piece has preheating switch (6), preheating pipe (5) bottom is pegged graft and is had air inlet two (7).
6. A circulating fluidized bed according to claim 1, wherein: the circulating pipe (908) is externally sleeved with two fixed shafts (907).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221819011.9U CN217614649U (en) | 2022-07-15 | 2022-07-15 | Circulating fluidized bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221819011.9U CN217614649U (en) | 2022-07-15 | 2022-07-15 | Circulating fluidized bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217614649U true CN217614649U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221819011.9U Active CN217614649U (en) | 2022-07-15 | 2022-07-15 | Circulating fluidized bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217614649U (en) |
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2022
- 2022-07-15 CN CN202221819011.9U patent/CN217614649U/en active Active
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