Circulating fluidized bed

Abstract

The utility model relates to the technical field of industrial boilers, and discloses a circulating fluidized bed which comprises a furnace body, and a feeding pipe is arranged on the furnace body; a loosening device is arranged on the furnace body; the loosening device comprises a first rotating rod, the first rotating rod is rotationally connected to the left side of the feeding pipe through a bearing, the left side of the first rotating rod is fixedly connected with a first bevel gear, the left side of the feeding pipe is fixedly connected with a fixing plate, the top of the fixing plate is rotationally connected with a second rotating rod through a bearing, and the second rotating rod movably penetrates through the fixing plate and extends to the bottom. The top of the second rotating rod is fixedly connected with a second bevel gear, the bottom of the second rotating rod is fixedly sleeved with a conical block, the bottom of the fixing plate is fixedly connected with a sliding groove plate, the output end of the first motor is started to drive a belt wheel to rotate, the belt wheel drives the first rotating rod to rotate, and the first rotating rod drives the conical block to rotate. The sliding block drives the connecting rod, the connecting plate and the fixing rod to reciprocate, and raw materials are prevented from being clamped in the feeding pipe to affect fluidized bed machining.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial boilers, in particular to a circulating fluidized bed. Background Art

[0002] Circulating fluidized bed boiler technology is a highly efficient, low-pollution, clean combustion technology that has developed rapidly in the past decade. Internationally, this technology has been widely used in power station boilers, industrial boilers, waste treatment and utilization, and has developed into large-scale circulating fluidized bed boilers of hundreds of thousands of kilowatts. Domestic research, development and application in this area are also gradually emerging. Hundreds of circulating fluidized bed boilers have been put into operation or are being manufactured. The next few years will be an important period of rapid development of circulating fluidized beds.

[0003] According to the Chinese patent announcement number CN217519844U, the technical solution disclosed in the patent document is as follows: The utility model relates to the technical field of industrial boilers, specifically a circulating fluidized bed, including a furnace body, a feed pipe is fixedly connected to the left side of the furnace body, a sealing plate is arranged inside the feed pipe, an adjustment component is fixedly connected to the left side of the feed pipe, and the adjustment component includes a shell fixedly connected to the left side of the feed pipe, a movable cover is hinged on the top of the shell, a first threaded rod is rotatably connected inside the shell, a threaded block is threadedly connected to the outer surface of the first threaded rod, a protrusion is fixedly connected to the bottom of the threaded block, and a slide groove is provided inside the shell. When the circulating fluidized bed is used, when it is necessary to adjust the sealing plate, the first threaded rod can be driven to rotate by shaking the oscillating plate, the first threaded rod can be driven to rotate by rotating, the threaded block can be driven to move by rotating, the fixed rod can be driven to move by moving the threaded block, the fixed rod can be driven to move by moving the mounting seat and the sealing plate, so that the staff can adjust the sealing plate by shaking the first threaded rod, thereby controlling the opening size of the feed pipe.

[0004] The above patent has the following disadvantages: when the sealing plate is moved, the raw materials may accumulate on the top of the feed pipe, which needs to be cleared manually to allow the raw materials to enter the furnace. In view of this, we propose a circulating fluidized bed. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a circulating fluidized bed.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating fluidized bed, comprising a furnace body, a feed pipe is arranged on the furnace body; a loosening device is arranged on the furnace body; the loosening device comprises a rotating rod 1, the rotating rod 1 is rotatably connected to the left side of the feed pipe through a bearing, a bevel gear 1 is fixedly connected to the left side of the rotating rod 1, a fixed plate is fixedly connected to the left side of the feed pipe, a rotating rod 2 is rotatably connected to the top of the fixed plate through a bearing, and the rotating rod 2 movably penetrates the fixed plate and extends to the bottom, a bevel gear 2 is fixedly connected to the top of the rotating rod 2, a conical block is fixedly sleeved at the bottom of the rotating rod 2, a slide plate is fixedly connected to the bottom of the fixed plate, a slide plate is provided on the front side of the slide plate, and a slider is slidably connected to the inner wall of the slide, a connecting rod is fixedly connected to the right side of the slider, a spring is movably sleeved on the outer wall of the connecting rod, a connecting plate is fixedly connected to the right side of the connecting rod, a fixing rod is fixedly connected to the right side of the connecting plate, a bearing block is fixedly connected to the front side of the inner wall of the feed pipe, and the connecting plate is slidably connected to the top of the bearing block.

[0009] Preferably, a motor 1 is fixedly connected to the left side of the feed pipe, and the outer wall of the output end of the motor 1 and the outer wall of the rotating rod 1 are connected via a pulley transmission.

[0010] Preferably, the bevel gear 1 and the bevel gear 2 are meshed with each other, the two ends of the spring are respectively fixedly connected to the right side of the slider and the left side of the feed pipe, and a striking rod is fixedly sleeved on the outer wall of the rotating rod 2.

[0011] Preferably, a cover opening device is provided on the feed pipe, and the cover opening device includes a support plate, the support plate is fixedly connected to the left side of the feed pipe, the top of the support plate is fixedly connected to motor 2, the top of the support plate is fixedly connected to a fixed block, and the right side of the fixed block is rotatably connected to a screw rod through a bearing.

[0012] Preferably, a notch is opened on the left side of the feed pipe, and a sealing plate is slidably connected to the inner wall of the notch, a connecting block is fixedly connected to the left side of the sealing plate, and the connecting block is threadedly connected to the outer wall of the screw rod.

[0013] Preferably, a sealing ring is provided on the inner wall of the feed pipe notch.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a circulating fluidized bed, which has the following beneficial effects:

[0016] 1. This circulating fluidized bed starts a motor and drives a pulley to rotate. The pulley drives a rotating rod to rotate. The rotating rod drives a conical block to rotate. When the tip of the conical block rotates to the right, it drives the slider to move to the right. The slider drives the connecting rod, the connecting plate, and the fixed rod to reciprocate, thereby preventing the raw materials from getting stuck in the feed pipe and affecting the fluidized bed processing.

[0017] 2. This circulating fluidized bed starts motor 2 to drive the screw to rotate, the screw drives the connecting block of the outer wall to move to the left, and the connecting block drives the sealing plate to move to the left, so that the raw materials on the top of the sealing plate enter the furnace body, and the opening size of the sealing plate does not need to be manually adjusted, thereby improving the convenience of opening the sealing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the feed pipe of the utility model;

[0021] Figure 3 It is a schematic diagram of the bottom cross-sectional structure of the utility model.

[0022] In the figure: 1. furnace body; 2. loosening device; 21. motor 1; 22. pulley; 23. rotating rod 1; 24. bevel gear 1; 25. fixed plate; 26. striking rod; 27. slide plate; 28. rotating rod 2; 29. ​​bevel gear 2; 210. fixed rod; 211. slider; 212. spring; 213. connecting rod; 214. connecting plate; 215. bearing block; 216. conical block; 3. cover opening device; 31. supporting plate; 32. motor 2; 33. fixed block; 34. screw rod; 35. sealing plate; 36. connecting block; 4. feed pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3As shown, the utility model provides a circulating fluidized bed, including a furnace body 1, on which a feed pipe 4 is arranged; a loosening device 2 is arranged on the furnace body 1; the loosening device 2 includes a rotating rod 23, the rotating rod 23 is rotatably connected to the left side of the feed pipe 4 through a bearing, a bevel gear 24 is fixedly connected to the left side of the rotating rod 23, a fixed plate 25 is fixedly connected to the left side of the feed pipe 4, a rotating rod 28 is rotatably connected to the top of the fixed plate 25 through a bearing, and the rotating rod 28 movably penetrates the fixed plate 25 and extends to the bottom, a bevel gear 29 is fixedly connected to the top of the rotating rod 28, and the rotating rod 28 is connected to the left side of the rotating rod 28. A conical block 216 is fixedly sleeved at the bottom of the rod 28, a slide plate 27 is fixedly connected to the bottom of the fixed plate 25, a slide plate 27 is provided on the front side of the slide plate 27, and a slider 211 is slidably connected to the inner wall of the slide, a connecting rod 213 is fixedly connected to the right side of the slider 211, a spring 212 is movable sleeved on the outer wall of the connecting rod 213, a connecting plate 214 is fixedly connected to the right side of the connecting rod 213, a fixed rod 210 is fixedly connected to the right side of the connecting plate 214, a bearing block 215 is fixedly connected to the front side of the inner wall of the feed pipe 4, and the connecting plate 214 is slidably connected to the top of the bearing block 215.

[0026] A motor 21 is fixedly connected to the left side of the feed pipe 4, and the outer wall of the output end of the motor 21 and the outer wall of the rotating rod 23 are connected through a pulley 22.

[0027] The bevel gear 1 24 and the bevel gear 2 29 mesh with each other. The two ends of the spring 212 are fixedly connected to the right side of the slider 211 and the left side of the feed pipe 4 respectively. The outer wall of the rotating rod 28 is fixedly sleeved with a striking rod 26.

[0028] In this embodiment, by starting the motor 21, the output end of the motor 21 drives the pulley 22 to rotate, the pulley 22 drives the rotating rod 23 to rotate, the rotating rod 23 drives the bevel gear 24 to rotate, the bevel gear 24 drives the bevel gear 29 to rotate, the bevel gear 29 drives the rotating rod 28 to rotate, the rotating rod 28 drives the striking rod 26 on the outer wall to strike the feed pipe 4, so as to shake off the raw materials attached to the inner wall of the feed pipe 4, and the rotating rod 28 drives the conical block 216 to rotate. When the tip of the conical block 216 rotates to the right, it drives the slider 211 to move to the right, and the slider 211 drives the connecting rod 213, the connecting plate 214, and the fixed rod 210 to reciprocate, so as to prevent the raw materials from being stuck in the feed pipe 4 and affecting the fluidized bed processing.

[0029] Example 2

[0030] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: a cover opening device 3 is arranged on the feed pipe 4, and the cover opening device 3 includes a support plate 31, the support plate 31 is fixedly connected to the left side of the feed pipe 4, a motor 2 32 is fixedly connected to the top of the support plate 31, a fixed block 33 is fixedly connected to the top of the support plate 31, and a screw rod 34 is rotatably connected to the right side of the fixed block 33 through a bearing.

[0031] A notch is provided on the left side of the feed pipe 4 , and a sealing plate 35 is slidably connected to the inner wall of the notch. A connecting block 36 is fixedly connected to the left side of the sealing plate 35 , and the connecting block 36 is threadedly connected to the outer wall of the screw rod 34 .

[0032] The inner wall of the notch of the feed pipe 4 is provided with a sealing ring.

[0033] In this embodiment, by starting motor 2 32 to drive the screw rod 34 to rotate, the screw rod 34 drives the connecting block 36 of the outer wall to move to the left, and the connecting block 36 drives the sealing plate 35 to move to the left, so that the raw materials on the top of the sealing plate 35 enter the furnace body 1, and there is no need to manually adjust the opening size of the sealing plate 35, thereby improving the convenience of opening the sealing plate 35.

[0034] The working principle of this circulating fluidized bed is described in detail below.

[0035] like Figure 1-3 As shown, when in use, the screw rod 34 is driven to rotate by starting the motor 2 32, and the screw rod 34 drives the connecting block 36 of the outer wall to move to the left, and the connecting block 36 drives the sealing plate 35 to move to the left, so that the raw materials on the top of the sealing plate 35 enter the furnace body 1, and the opening size of the sealing plate 35 does not need to be manually adjusted, thereby improving the convenience of opening the sealing plate 35, and starting the motor 1 21, the output end of the motor 1 21 drives the pulley 22 to rotate, the pulley 22 drives the rotating rod 1 23 to rotate, the rotating rod 1 23 drives the bevel gear 1 24 to rotate, and the bevel gear One 24 drives bevel gear two 29 to rotate, bevel gear two 29 drives rotating rod two 28 to rotate, rotating rod two 28 drives the striking rod 26 on the outer wall to strike the feed pipe 4, so as to shake off the raw materials attached to the inner wall of the feed pipe 4, and rotating rod two 28 drives the conical block 216 to rotate. When the tip of the conical block 216 rotates to the right, it drives the slider 211 to move to the right, and the slider 211 drives the connecting rod 213, the connecting plate 214, and the fixed rod 210 to reciprocate, so as to prevent the raw materials from being stuck in the feed pipe 4 and affecting the fluidized bed processing.

Claims

1. A circulating fluidized bed, comprising a furnace body (1), characterized in that: The furnace body (1) is provided with a feed pipe (4); The furnace body (1) is provided with a loosening device (2); The loosening device (2) comprises a rotating rod (23), the rotating rod (23) being rotatably connected to the left side of the feed pipe (4) via a bearing, a bevel gear (24) being fixedly connected to the left side of the rotating rod (23), a fixed plate (25) being fixedly connected to the left side of the feed pipe (4), a rotating rod (28) being rotatably connected to the top of the fixed plate (25) via a bearing, and the rotating rod (28) being movably extended through the fixed plate (25) to the bottom, a bevel gear (29) being fixedly connected to the top of the rotating rod (28), a conical block (216) being fixedly sleeved on the bottom of the rotating rod (28), and the fixed plate (2 5) A slide plate (27) is fixedly connected to the bottom, a slide plate (27) is provided with a slide slot on the front side, and a slider (211) is slidably connected to the inner wall of the slide slot, a connecting rod (213) is fixedly connected to the right side of the slider (211), a spring (212) is movably sleeved on the outer wall of the connecting rod (213), a connecting plate (214) is fixedly connected to the right side of the connecting rod (213), a fixing rod (210) is fixedly connected to the right side of the connecting plate (214), a bearing block (215) is fixedly connected to the front side of the inner wall of the feed pipe (4), and the connecting plate (214) is slidably connected to the top of the bearing block (215).

2. A circulating fluidized bed according to claim 1, characterized in that: The left side of the feed pipe (4) is fixedly connected to a motor 1 (21), and the outer wall of the output end of the motor 1 (21) and the outer wall of the rotating rod 1 (23) are connected by a belt pulley (22).

3. A circulating fluidized bed according to claim 1, characterized in that: The bevel gear 1 (24) and the bevel gear 2 (29) are meshed with each other, the two ends of the spring (212) are respectively fixedly connected to the right side of the slider (211) and the left side of the feed pipe (4), and the outer wall of the rotating rod 2 (28) is fixedly sleeved with a striking rod (26).

4. A circulating fluidized bed according to claim 1, characterized in that: The feed pipe (4) is provided with a cover opening device (3), and the cover opening device (3) comprises a support plate (31), the support plate (31) is fixedly connected to the left side of the feed pipe (4), a motor 2 (32) is fixedly connected to the top of the support plate (31), a fixed block (33) is fixedly connected to the top of the support plate (31), and a screw rod (34) is rotatably connected to the right side of the fixed block (33) through a bearing.

5. A circulating fluidized bed according to claim 1, characterized in that: The left side of the feed pipe (4) is provided with a notch, and the inner wall of the notch is slidably connected to a sealing plate (35), the left side of the sealing plate (35) is fixedly connected to a connecting block (36), and the connecting block (36) is threadedly connected to the outer wall of the screw rod (34).

6. A circulating fluidized bed according to claim 1, characterized in that: The inner wall of the notch of the feed pipe (4) is provided with a sealing ring.

Images