A desulfurization and slagging structure of a fluidized bed furnace

Abstract

The utility model is suitable for the technical field of fluidized bed furnace, provides a kind of fluidized bed furnace desulfurization and discharging residue structure, including bottom plate, the bottom plate is fixedly connected with fluidized bed furnace body, discharging box is installed in the fluidized bed furnace body, the baffle is arranged outside the discharging box, dredging device is installed in the discharging box, the side of the discharging box is equipped with shaking device. In the utility model, when running, after starting drive motor, its output end drives rotating shaft to rotate, rotating shaft drives sleeve ring to rotate in rotating process, sleeve ring drives rotating plate installed outside it to rotate in discharging box, so that the cinder in the interior of discharging box is scattered and promoted under the rotation stirring effect, when rotating plate moves, material can be effectively prevented from melting and adhering at the inner wall of discharging box, avoid the accumulation problem caused by caking, keep discharging residue passage unobstructed, to guarantee that cinder can be smoothly discharged, improve the continuity and stability of desulfurization and discharging residue.

Description

Technical Field

[0001] This utility model belongs to the field of fluidized bed furnace technology, and in particular relates to a desulfurization and slag discharge structure for a fluidized bed furnace. Background Technology

[0002] In the existing fluidized bed furnace desulfurization process, limestone and coal are mixed and burned to produce calcium sulfate (CaSO4), which is deposited at the bottom of the furnace along with ash. Because calcium sulfate has a certain degree of binding and melting, as the operating time increases, lumps or adhesions are easily formed on the inner wall of the discharge box and at the slag discharge port, which makes it impossible for the material to be discharged smoothly, resulting in blockage or accumulation. In severe cases, it may even affect the normal operation of the furnace. Utility Model Content

[0003] This utility model provides a desulfurization slag discharge structure for a fluidized bed furnace, aiming to solve the problem that in the existing fluidized bed furnace, after limestone and coal are mixed and burned, calcium sulfate (CaSO4) is generated and deposited at the bottom of the furnace along with ash. Because calcium sulfate has a certain degree of adhesion and melting, as the operating time increases, lumps or adhesions easily form on the inner wall of the discharge box and at the slag discharge port, causing the material to be unable to be discharged smoothly, resulting in blockage or accumulation.

[0004] This utility model is implemented as follows: a fluidized bed desulfurization and slag discharge structure includes a bottom plate, on which a fluidized bed furnace body is fixedly connected. A discharge box is installed inside the fluidized bed furnace body. A baffle is clamped on the outside of the discharge box. A dredging device is installed inside the discharge box. A shaking device is installed on one side of the discharge box. The unblocking device includes a drive motor, which is fixedly connected to the body of the fluidized bed furnace. A rotating shaft is installed at the output end of the drive motor, and a collar is installed at the upper end of the rotating shaft. A rotating plate is fixedly connected to the outside of the collar, and the rotating shaft and the discharge box are rotatably connected.

[0005] Preferably, the collar overlaps inside the discharge box, and the rotating plate overlaps inside the discharge box.

[0006] Preferably, a semi-circular plate is installed above the rotating plate to facilitate material unloading.

[0007] Preferably, the shaking device includes a feeding plate and a cam. The feeding plate is fixedly connected to one side of the discharge box. A connecting shaft is installed inside the feeding plate. A movable plate is sleeved on the connecting shaft. The movable plate is locked inside the feeding plate. A limiting plate is provided on the back of the feeding plate, and the movable plate overlaps the limiting plate.

[0008] Preferably, the connecting shaft and the movable plate form a rotatable connection.

[0009] Preferably, a crossbar is fixedly connected inside the movable plate, and a ball is fixedly connected to one end of the crossbar.

[0010] Preferably, the cam is sleeved outside the rotating shaft, and the cam and the ball are positioned correspondingly.

[0011] Compared with related technologies, the fluidized bed desulfurization slag discharge structure provided by this utility model has the following beneficial effects: In this invention, the active unblocking of the discharge box is achieved through the cooperation of a drive motor, a rotating shaft, a collar, and a rotating plate. During operation, after the drive motor is started, its output end drives the rotating shaft to rotate. During the rotation of the shaft, the collar rotates, and the collar then drives the rotating plate installed on its outside to rotate inside the discharge box. This causes the slag inside the discharge box to be dispersed and pushed by the rotation and stirring action. When the rotating plate moves, it can effectively prevent the material from melting or adhering on the inner wall of the discharge box, avoid the accumulation problem caused by agglomeration, keep the slag discharge channel unobstructed, and thus ensure that the slag can be discharged smoothly, improving the continuity and stability of desulfurization slag discharge.

[0012] In this invention, during the rotation of the shaft driven by the drive motor, the cam sleeved on the shaft rotates synchronously. When the cam rotates to a specific position, it applies a squeezing force to the ball opposite it. After being squeezed, the ball pushes the crossbar to move outward, which in turn causes the movable plate to swing around the connecting shaft. The reciprocating motion of the movable plate creates a shaking effect, causing the discharge plate on one side of the discharge box to vibrate periodically. This impacts and clears larger pieces of material above, effectively preventing large pieces of material from getting stuck during the slag discharge process. This achieves automatic clearing and anti-blocking of the discharge channel, improving the reliability and efficiency of slag discharge. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional cross-sectional structural diagram of the discharge box of this utility model; Figure 3 This is a three-dimensional structural diagram of the shaking device of this utility model; Figure 4 This utility model Figure 3 An enlarged structural diagram of part A in the middle.

[0014] In the diagram: 1. Base plate; 2. Fluidized bed furnace body; 3. Discharge box; 4. Baffle; 5. Unblocking device; 501. Drive motor; 502. Rotating shaft; 503. Collar; 504. Rotating plate; 6. Shaking device; 601. Feeding plate; 602. Connecting shaft; 603. Movable plate; 604. Crossbar; 605. Ball; 606. Cam. Detailed Implementation

[0015] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0016] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments. Example 1

[0017] A preferred embodiment of the fluidized bed furnace desulfurization and slag discharge structure provided by this utility model is, for example... Figures 1 to 2 As shown: A fluidized bed desulfurization slag discharge structure includes a bottom plate 1, a fluidized bed furnace body 2 fixedly connected to the bottom plate 1, a discharge box 3 installed inside the fluidized bed furnace body 2, a baffle 4 clamped outside the discharge box 3, a dredging device 5 installed inside the discharge box 3, and a shaking device 6 installed on one side of the discharge box 3. The unblocking device 5 includes a drive motor 501, which is fixedly connected inside the fluidized bed furnace body 2. A rotating shaft 502 is installed at the output end of the drive motor 501. A collar 503 is installed at the upper end of the rotating shaft 502. A rotating plate 504 is fixedly connected to the outside of the collar 503. The rotating shaft 502 and the discharge box 3 are rotatably connected.

[0018] In a further preferred embodiment of the present invention, the collar 503 overlaps inside the discharge box 3, the rotating plate 504 overlaps inside the discharge box 3, and a semi-circular plate for easy material unloading is installed above the rotating plate 504.

[0019] In this embodiment, the rotating plate 504 and the semi-circular plate cooperate with each other. When the drive motor 501 starts, the rotating plate 504 rotates in the discharge box 3, which drives the upper semi-circular plate to rotate accordingly. This causes the semi-circular plate to disturb and guide the material piled up above. Through the arc structure of the semi-circular plate, the slag can be effectively guided to move downward, reducing the accumulation and retention of material above the discharge port, thereby improving the flowability of the discharge and avoiding local blockage. Example 2

[0020] Based on Example 1, a preferred embodiment of the fluidized bed furnace desulfurization slag discharge structure provided by this utility model is as follows: Figures 3 to 4 As shown: The shaking device 6 includes a feeding plate 601 and a cam 606. The feeding plate 601 is fixedly connected to one side of the discharge box 3. A connecting shaft 602 is installed inside the feeding plate 601. A movable plate 603 is provided outside the connecting shaft 602. The movable plate 603 is locked inside the feeding plate 601. A limiting plate is provided on the back of the feeding plate 601, and the movable plate 603 overlaps the limiting plate.

[0021] In this embodiment, a rotational fit is formed between the connecting shaft 602 and the movable plate 603, and the movable plate 603 can swing around the connecting shaft 602. This fit allows the movable plate 603 to rotate flexibly when it is pushed by the crossbar 604, which not only reduces the transmission resistance, but also generates an inertial knocking force when returning to the reverse position, which helps to shake off the slag particles attached to the feed plate 601 and further improves the anti-clogging effect.

[0022] In a further preferred embodiment of the present invention, the connecting shaft 602 and the movable plate 603 are rotatably connected. A crossbar 604 is fixedly connected inside the movable plate 603. A ball 605 is fixedly connected to one end of the crossbar 604. A cam 606 is sleeved outside the rotating shaft 502. The cam 606 and the ball 605 are positioned correspondingly.

[0023] In this embodiment, a pressing transmission fit is formed between the cam 606 and the ball 605. When the rotating shaft 502 rotates, the outer contour of the cam 606 periodically applies pressure to the ball 605, causing the ball 605 to produce a reciprocating pushing motion. This fit structure can convert the rotational motion of the rotating shaft 502 into the swinging motion of the movable plate 603, thereby achieving periodic vibration of the discharge channel without the need for additional power, effectively loosening the accumulated slag and causing large pieces of material to fall off.

[0024] In summary, after the drive motor 501 is started, its output end drives the rotating shaft 502 to rotate. During the rotation of the rotating shaft 502, the rotating ring 503 is driven to rotate. The rotating ring 503 then drives the rotating plate 504 installed on its outside to rotate inside the discharge box 3. This causes the slag inside the discharge box 3 to be broken up and pushed under the action of rotation and stirring. During the rotation of the rotating shaft 502 driven by the drive motor 501, the cam 606 installed on the outer sleeve of the rotating shaft 502 rotates synchronously. When the cam 606 rotates to a specific position, it applies a squeezing force to the ball 605 opposite to it. After being squeezed, the ball 605 pushes the crossbar 604 to move outward, which in turn causes the movable plate 603 to swing around the connecting shaft 602. The reciprocating motion of the movable plate 603 forms a shaking effect, causing the discharge plate 601 on one side of the discharge box 3 to vibrate periodically.

[0025] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0026] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0027] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A fluidized bed desulfurization slag discharge structure, characterized in that, include: A base plate (1) is fixedly connected to a fluidized bed furnace body (2). A discharge box (3) is installed inside the fluidized bed furnace body (2). A baffle (4) is clamped on the outside of the discharge box (3). A dredging device (5) is installed inside the discharge box (3). A shaking device (6) is installed on one side of the discharge box (3). The unblocking device (5) includes a drive motor (501), which is fixedly connected inside the fluidized bed furnace body (2). A rotating shaft (502) is installed at the output end of the drive motor (501), and a collar (503) is installed at the upper end of the rotating shaft (502). A rotating plate (504) is fixedly connected to the outside of the collar (503). The rotating shaft (502) and the discharge box (3) are rotatably connected.

2. The fluidized bed desulfurization slag discharge structure as described in claim 1, characterized in that, The collar (503) overlaps inside the discharge box (3), and the rotating plate (504) overlaps inside the discharge box (3).

3. The fluidized bed desulfurization slag discharge structure as described in claim 1, characterized in that, A semi-circular plate is installed above the rotating plate (504) to facilitate material unloading.

4. The fluidized bed desulfurization slag discharge structure as described in claim 1, characterized in that, The shaking device (6) includes a feeding plate (601) and a cam (606). The feeding plate (601) is fixedly connected to one side of the discharge box (3). A connecting shaft (602) is installed inside the feeding plate (601). A movable plate (603) is provided on the outer sleeve of the connecting shaft (602). The movable plate (603) is locked inside the feeding plate (601). A limiting plate is provided on the back of the feeding plate (601), and the movable plate (603) overlaps the limiting plate.

5. The fluidized bed desulfurization slag discharge structure as described in claim 4, characterized in that, The connecting shaft (602) and the movable plate (603) form a rotatable connection.

6. The fluidized bed desulfurization slag discharge structure as described in claim 5, characterized in that, A crossbar (604) is fixedly connected inside the movable plate (603), and a ball (605) is fixedly connected to one end of the crossbar (604).

7. The fluidized bed desulfurization slag discharge structure as described in claim 6, characterized in that, The cam (606) is sleeved on the outside of the rotating shaft (502), and the cam (606) and the ball (605) are positioned opposite each other.

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