CN215892333U - Ash deposition prevention device of low-temperature economizer of circulating fluidized bed boiler - Google Patents
Ash deposition prevention device of low-temperature economizer of circulating fluidized bed boiler Download PDFInfo
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- CN215892333U CN215892333U CN202121244277.0U CN202121244277U CN215892333U CN 215892333 U CN215892333 U CN 215892333U CN 202121244277 U CN202121244277 U CN 202121244277U CN 215892333 U CN215892333 U CN 215892333U
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Abstract
The utility model discloses an ash deposition prevention device of a circulating fluidized bed boiler low-temperature economizer, which comprises a low-temperature economizer, wherein the bottom of the low-temperature economizer is communicated with a collecting hopper, the right side of the collecting hopper is communicated with a fan, the right side of the fan is communicated with a filter box, the right side of the filter box is communicated with a conveying pipe, the top end of the conveying pipe is communicated with the top of the low-temperature economizer, a filter plate is fixedly connected inside the filter box, and the left side of the inner wall of the filter box is fixedly connected with a motor. The utility model solves the problems that most low-temperature economizers on the market do not have the function of dust accumulation prevention, dust generated during the operation of the low-temperature economizer can be accumulated at the bottom of the inner wall of the economizer, the dust accumulation can influence the normal operation of the low-temperature economizer, the internal temperature of the low-temperature economizer is increased, and convenience can not be brought to users, and the effect of preventing the dust accumulation phenomenon is achieved.
Description
Technical Field
The utility model relates to the technical field of economizers, in particular to an anti-dust deposition device of a low-temperature economizer of a circulating fluidized bed boiler.
Background
The fluidized bed boiler needs to use the low-temperature economizer during operation, but most low-temperature economizers on the market do not have the function of dust accumulation prevention, the dust that the during operation of low-temperature economizer produced can pile up in the bottom of its inner wall, and the dust is piled up and can influence low-temperature economizer normal work, makes the inside temperature of low-temperature economizer increase, can't bring convenience for the user.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the background art, the present invention provides an anti-dust device for a low-temperature economizer of a circulating fluidized bed boiler, which has the advantage of preventing dust from accumulating, and solves the problems that most of the low-temperature economizers on the market do not have the function of preventing dust from accumulating, dust generated during the operation of the low-temperature economizer accumulates at the bottom of the inner wall of the economizer, the accumulation of dust can affect the normal operation of the low-temperature economizer, the internal temperature of the low-temperature economizer is increased, and convenience cannot be brought to users.
In order to achieve the purpose, the utility model provides the following technical scheme: the dust deposition prevention device of the circulating fluidized bed boiler low-temperature economizer comprises a low-temperature coal saving device, wherein the bottom of the low-temperature coal saving device is communicated with a collecting hopper, the right side of the collecting hopper is communicated with a fan, the right side of the fan is communicated with a filter box, the right side of the filter box is communicated with a conveying pipe, the top end of the conveying pipe is communicated with the top of the low-temperature coal saving device, a filter plate is fixedly connected inside the filter box, the left side of the inner wall of the filter box is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, the right side of the screw rod is movably connected with the left side of the filter plate through a bearing, and the surface of the screw rod is in threaded connection with a dust removal mechanism;
the dust removal mechanism comprises a transmission block in threaded connection with the surface of the screw rod, the front of the transmission block is movably connected with a movable plate through a rotating shaft, the right side of the movable plate is movably connected with a cleaning plate through a rotating shaft, and the right side of the cleaning plate is in contact with the left side of the filter plate.
Preferably, the cleaning plate is internally and slidably connected with a guide rod, the top of the guide rod is fixedly connected with a fixed block, and the back of the fixed block is fixedly connected with the rear side of the inner wall of the filter box.
Preferably, the bottom of the motor is fixedly connected with a fixing plate, and the left side of the fixing plate is fixedly connected with the left side of the inner wall of the filter box.
Preferably, the top of the transmission block is fixedly connected with a sliding block, the top of the inner wall of the filter box is provided with a sliding groove, and the sliding block is matched with the sliding groove for use.
Preferably, the bottom of the filter box is communicated with a cleaning pipe, and the surface of the cleaning pipe is in threaded connection with a sealing cover.
Preferably, the left side of the inner wall of the filter box is fixedly connected with a baffle plate, and the baffle plate is matched with the movable plate for use.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model uses the low-temperature coal economizer, the collecting hopper, the fan, the filter box, the conveying pipe, the filter plate, the motor, the screw and the dust removing mechanism in a matching way, when in use, dust generated by the low-temperature coal economizer enters the collecting hopper, the fan is started, the fan sucks flue gas in the low-temperature coal economizer through suction force, the flue gas enters the filter box from the conveying pipe, then the flue gas is blown out through the fan, the dust in the collecting hopper is blown into the low-temperature coal economizer, the main flue gas is convenient to carry the dust to be discharged, thereby preventing the dust accumulation at the bottom of the low-temperature coal economizer, solving the problems that most low-temperature coal economizers on the market do not have the function of preventing the dust accumulation, the dust generated during the operation of the low-temperature coal economizer can be accumulated at the bottom of the inner wall of the low-temperature coal economizer, the dust accumulation can influence the normal operation of the low-temperature coal economizer, and the internal temperature of the low-temperature coal economizer is increased, the problem that convenience cannot be brought to users is solved, and the dust deposition prevention device of the circulating fluidized bed boiler low-temperature economizer has the advantage of preventing dust from stacking.
2. According to the utility model, through the arrangement of the guide rod and the fixing block, the cleaning plate can be supported in an auxiliary manner, and the phenomenon that the cleaning plate is inclined when moving is prevented.
3. According to the utility model, through the arrangement of the fixing plate, the motor can be supported in an auxiliary manner, so that the phenomenon that the single-point support of the motor is not stable enough and the motor shakes during working is prevented.
4. According to the utility model, through the arrangement of the sliding block and the sliding groove, the transmission block can stably move on the surface of the screw rod, and the phenomenon of follow-up rotation of the transmission block during movement is prevented.
5. According to the utility model, through the arrangement of the cleaning pipe and the sealing cover, dust in the filter box can be cleaned, and the working efficiency of the filter box is improved.
6. According to the utility model, through the arrangement of the baffle plate, dust can be shielded, and the dust is prevented from damaging parts in the filter box.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a filter box of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a perspective view of the filtration tank of the present invention.
In the figure: 1. a low-temperature coal-saving device; 2. a collecting hopper; 3. a fan; 4. a filter box; 5. a delivery pipe; 6. a filter plate; 7. a motor; 8. a screw; 9. a dust removal mechanism; 91. a transmission block; 92. a movable plate; 93. cleaning the board; 10. a guide bar; 11. a fixed block; 12. a fixing plate; 13. a slider; 14. a chute; 15. cleaning the pipe; 16. a sealing cover; 17. and a baffle plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
As shown in fig. 1 to 4, the dust deposition prevention device for the circulating fluidized bed boiler low-temperature economizer provided by the utility model comprises a low-temperature coal economizer 1, wherein the bottom of the low-temperature coal economizer 1 is communicated with a collecting hopper 2, the right side of the collecting hopper 2 is communicated with a fan 3, the right side of the fan 3 is communicated with a filter box 4, the right side of the filter box 4 is communicated with a conveying pipe 5, the top end of the conveying pipe 5 is communicated with the top of the low-temperature coal economizer 1, a filter plate 6 is fixedly connected inside the filter box 4, the left side of the inner wall of the filter box 4 is fixedly connected with a motor 7, the output end of the motor 7 is fixedly connected with a screw 8, the right side of the screw 8 is movably connected with the left side of the filter plate 6 through a bearing, and the surface of the screw 8 is connected with a dust removal mechanism 9 through threads;
the dust removing mechanism 9 comprises a transmission block 91 which is in threaded connection with the surface of the screw rod 8, the front surface of the transmission block 91 is movably connected with a movable plate 92 through a rotating shaft, the right side of the movable plate 92 is movably connected with a cleaning plate 93 through a rotating shaft, and the right side of the cleaning plate 93 is in contact with the left side of the filter plate 6.
Referring to fig. 3, a guide rod 10 is slidably connected to the inside of the cleaning plate 93, a fixing block 11 is fixedly connected to the top of the guide rod 10, and the back of the fixing block 11 is fixedly connected to the rear side of the inner wall of the filter box 4.
As a technical optimization scheme of the present invention, the cleaning plate 93 can be supported by the guide rod 10 and the fixing block 11, so as to prevent the cleaning plate 93 from tilting during movement.
Referring to fig. 2, a fixing plate 12 is fixedly connected to the bottom of the motor 7, and the left side of the fixing plate 12 is fixedly connected to the left side of the inner wall of the filter tank 4.
As a technical optimization scheme of the utility model, the motor 7 can be supported in an auxiliary manner by arranging the fixing plate 12, so that the situation that the motor 7 is not stable enough in single-point support and shakes during working is prevented.
Referring to fig. 2, the top of the transmission block 91 is fixedly connected with a sliding block 13, the top of the inner wall of the filter box 4 is provided with a sliding groove 14, and the sliding block 13 is matched with the sliding groove 14 for use.
As a technical optimization scheme of the utility model, the driving block 91 can stably move on the surface of the screw 8 through the arrangement of the sliding block 13 and the sliding groove 14, and the phenomenon that the driving block 91 rotates along with the screw when moving is prevented.
Referring to fig. 2, the bottom of the filter box 4 is communicated with a cleaning pipe 15, and a sealing cover 16 is screwed on the surface of the cleaning pipe 15.
As a technical optimization scheme of the utility model, through the arrangement of the cleaning pipe 15 and the sealing cover 16, dust in the filter box 4 can be cleaned, and the working efficiency of the filter box 4 is improved.
Referring to fig. 2, a baffle 17 is fixedly connected to the left side of the inner wall of the filter box 4, and the baffle 17 is used in cooperation with a movable plate 92.
As a technical optimization scheme of the utility model, the baffle 17 can shield dust and prevent the dust from damaging parts inside the filter box 4.
The working principle and the using process of the utility model are as follows: during the use, the dust that low temperature economizer 1 produced gets into the inside of collecting hopper 2, starts fan 3, and fan 3 blows off through suction with the inside flue gas suction of low temperature economizer 1 from conveyer pipe 5 entering rose box 4, then blows off through fan 3, blows in the inside of low temperature economizer 1 with the inside dust of collecting hopper 2, and the main flue gas of being convenient for carries the dust and discharges to prevent that the accumulational condition of low temperature economizer bottom dust from taking place.
In summary, the following steps: the dust deposition prevention device of the circulating fluidized bed boiler low-temperature economizer comprises a low-temperature economizer 1, a collecting hopper 2, a fan 3, a filter box 4, a conveying pipe 5, a filter plate 6, a motor 7, a screw 8 and a dust removal mechanism 9 which are matched for use, when in use, dust generated by the low-temperature economizer 1 enters the collecting hopper 2, the fan 3 is started, the fan 3 sucks flue gas in the low-temperature economizer 1 through suction, the flue gas enters the filter box 4 from the conveying pipe 5, then the flue gas is blown out through the fan 3, the dust in the collecting hopper 2 is blown into the low-temperature economizer 1, main flue gas is convenient to carry dust to be discharged, the situation that dust at the bottom of the low-temperature economizer is accumulated is prevented, the problem that most low-temperature economizers on the market do not have the dust accumulation prevention function is solved, and dust generated during the operation of the low-temperature economizer can be accumulated at the bottom of the inner wall of the low-temperature economizer, the dust accumulation can influence the normal work of the low-temperature coal economizer, so that the internal temperature of the low-temperature coal economizer is increased, and the convenience can not be brought to users.
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.
Although embodiments of the present invention 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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a circulating fluidized bed boiler low temperature economizer's anti-dust deposition device, includes low temperature economizer (1), its characterized in that: the low-temperature coal saving device is characterized in that a collecting hopper (2) is communicated with the bottom of the low-temperature coal saving device (1), a fan (3) is communicated with the right side of the collecting hopper (2), a filter box (4) is communicated with the right side of the fan (3), a conveying pipe (5) is communicated with the right side of the filter box (4), the top end of the conveying pipe (5) is communicated with the top of the low-temperature coal saving device (1), a filter plate (6) is fixedly connected inside the filter box (4), a motor (7) is fixedly connected to the left side of the inner wall of the filter box (4), a screw rod (8) is fixedly connected to the output end of the motor (7), the right side of the screw rod (8) is movably connected with the left side of the filter plate (6) through a bearing, and a dust removing mechanism (9) is connected to the surface of the screw rod (8);
dust removal mechanism (9) are including transmission piece (91) on threaded connection screw rod (8) surface, the front of transmission piece (91) has fly leaf (92) through pivot swing joint, the right side of fly leaf (92) has cleaning board (93) through pivot swing joint, cleaning board's (93) right side and the left side contact of filter (6).
2. The ash deposition preventing device for the low-temperature economizer of the circulating fluidized bed boiler according to claim 1, wherein: the inside sliding connection of cleaning plate (93) has guide arm (10), the top fixedly connected with fixed block (11) of guide arm (10), the back and the rear side fixed connection of rose box (4) inner wall of fixed block (11).
3. The ash deposition preventing device for the low-temperature economizer of the circulating fluidized bed boiler according to claim 1, wherein: the bottom fixedly connected with fixed plate (12) of motor (7), the left side of fixed plate (12) and the left side fixed connection of rose box (4) inner wall.
4. The ash deposition preventing device for the low-temperature economizer of the circulating fluidized bed boiler according to claim 1, wherein: the top fixedly connected with slider (13) of transmission piece (91), spout (14) have been seted up at the top of rose box (4) inner wall, slider (13) and spout (14) cooperation are used.
5. The ash deposition preventing device for the low-temperature economizer of the circulating fluidized bed boiler according to claim 1, wherein: the bottom of the filter box (4) is communicated with a cleaning pipe (15), and the surface of the cleaning pipe (15) is in threaded connection with a sealing cover (16).
6. The ash deposition preventing device for the low-temperature economizer of the circulating fluidized bed boiler according to claim 1, wherein: the left side fixedly connected with baffle (17) of rose box (4) inner wall, baffle (17) and fly leaf (92) cooperation are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244277.0U CN215892333U (en) | 2021-06-04 | 2021-06-04 | Ash deposition prevention device of low-temperature economizer of circulating fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244277.0U CN215892333U (en) | 2021-06-04 | 2021-06-04 | Ash deposition prevention device of low-temperature economizer of circulating fluidized bed boiler |
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| Publication Number | Publication Date |
|---|---|
| CN215892333U true CN215892333U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121244277.0U Active CN215892333U (en) | 2021-06-04 | 2021-06-04 | Ash deposition prevention device of low-temperature economizer of circulating fluidized bed boiler |
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| Country | Link |
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| CN (1) | CN215892333U (en) |
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- 2021-06-04 CN CN202121244277.0U patent/CN215892333U/en active Active
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