Coal falling anti-blocking device of circulating fluidized bed

Abstract

The utility model relates to the technical field of circulating fluidized beds, in particular to a coal falling anti-blocking device of a circulating fluidized bed. According to the technical scheme, the device comprises a furnace tank and a fixed hopper fixedly installed at the bottom of the furnace tank, a crushing assembly and a conveying assembly are arranged on the furnace tank, the crushing assembly comprises two rotating rods rotationally installed on the inner side of the fixed hopper, the two ends of each rotating rod extend out of the two sides of the fixed hopper, and four fixed rods are fixedly connected to the peripheries of the two rotating rods; the conveying assembly comprises a fixing cylinder rotationally installed at the bottom of the fixing hopper, and the bottom of the fixing cylinder is fixedly connected with two fixing plates through a fixing frame. According to the coal cinder conveying device, the rotating rod, the fixed rod, the fixed cylinder, the shaft frame, the movable plate, the sliding block and the supporting rod are matched with one another, coal cinder can be smashed, the situation that the fixed hopper is blocked by the coal cinder is avoided, anti-blocking operation can be conveniently conducted on falling coal, and the coal cinder conveying position can be conveniently adjusted according to requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of circulating fluidized beds, in particular to a circulating fluidized bed coal falling anti-blocking device. Background Art

[0002] Circulating fluidized bed boiler technology is a high-efficiency, low-pollution, clean combustion technology that has developed rapidly in the past decade. In the use of the circulating fluidized bed, coal needs to be introduced into the furnace for combustion. After the coal is burned in the furnace, the coal ash needs to fall and be discharged, which requires the use of a circulating fluidized bed coal falling anti-blocking device.

[0003] In the prior art, there are the following problems:

[0004] When the traditional furnace discharges the coal slag, it is not convenient to crush the slag, which easily causes the coal slag to be blocked in the furnace, making it inconvenient to prevent the falling coal from being blocked. At the same time, it is not convenient to transport the discharged coal slag and it is not convenient to adjust the position of the coal slag discharge. Utility Model Content

[0005] The utility model aims to provide a circulating fluidized bed coal falling anti-blocking device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circulating fluidized bed coal falling anti-blocking device, comprising a furnace pot and a fixed bucket fixedly installed at the bottom of the furnace pot, the furnace pot is provided with a crushing assembly and a conveying assembly, the crushing assembly comprises two rotating rods rotatably installed on the inner side of the fixed bucket, the two ends of the two rotating rods extend out of the two sides of the fixed bucket, the peripheries of the two rotating rods are fixedly connected with four fixed rods, the conveying assembly comprises a fixed cylinder rotatably installed at the bottom of the fixed bucket, the bottom of the fixed cylinder is fixedly connected with two fixed plates through a fixed frame, one end of the two fixed plates is movably connected with a movable plate through an axle frame, the two fixed plates are rotatably connected with a conveyor belt inside the movable plate, the tops of the two movable plates are slidably installed with sliders, and support rods are movably connected between the two sliders and the fixed frame.

[0007] The coal is burned in the furnace pot, and the burned coal slag falls into the fixed bucket. By driving the two rotating rods to rotate inward, multiple fixed rods rotate inward synchronously, and the fixed rods squeeze the coal slag, the coal slag can be crushed, and the anti-blocking operation of the falling coal can be conveniently performed to avoid the situation where the coal slag blocks the fixed bucket, and the coal slag can be made to fall to the middle part of the conveyor belt, and the conveyor belt can be driven for transmission, and the exported coal slag can be transported, and the fixed cylinder is driven to rotate and adjust the angle along the fixed bucket, and the fixed plate is driven to rotate the angle synchronously, so that the movable plate can drive one end of the conveyor belt to move the position, and by driving the slider to slide along the movable plate, one end of the support rod can be driven to move, and the other end of the support rod can be flipped between the fixed frame, and the movable plate can be driven to flip up and down along the axis frame, so that the movable plate can drive one end of the conveyor belt to flip up and down, and the position of the coal slag transportation can be conveniently adjusted according to needs.

[0008] Preferably, a shaft is rotatably mounted between the two shaft frames, the shaft is located above the conveyor belt, and two support wheels are rotatably mounted on the outer side of the shaft, and the bottoms of the two support wheels are in contact with the conveyor belt. The support wheels can be rotated by the shaft, and the support wheels are used to roll and support the bend of the conveyor belt to prevent the conveyor belt from loosening.

[0009] Preferably, a gear set is fixedly mounted on one end of the two rotating rods, the gear set is located on one side of the fixed bucket, the axis of one of the rotating rods extends out of the fixed bucket and is fixedly connected to the output end of the first motor, and the first motor is fixedly mounted on the other side of the fixed bucket through a mounting member. The two rotating rods can be rotated inwardly by the mutual meshing of the gear sets, and one of the rotating rods can be rotated by the first motor.

[0010] Preferably, the fixed cylinder and the fixed bucket are rotatably mounted via a rotating frame, and the two ends of each support rod are movably mounted between the fixed frame and the slider via an axle seat. The fixed cylinder can be easily rotated via the rotating frame, and the two ends of the support rod can be flipped via the axle seat.

[0011] Preferably, a sliding frame is fixedly installed on the top of each movable plate, each slider is slidably installed with a sliding frame, and each slider is fixed to the sliding frame by a fixing knob. The sliding frame can facilitate the sliding of the slider, and the fixing knob can be used to fix the slider to the sliding frame.

[0012] Preferably, a plurality of support rollers are rotatably mounted on the inner sides of each of the two fixed plates and the movable plate, the conveyor belt is rotatably connected to the support rollers, a second motor is fixedly mounted on the front sides of the fixed plate and the movable plate, and the output end of each second motor is fixedly connected to the axis of a support roller. The second motor can drive the support roller to rotate, so that the support roller drives the conveyor belt, and the conveyor belt can be rotated to transport the coal slag.

[0013] Preferably, two rotating disks are fixedly installed on the outer side of each rotating rod, and every four fixed rods are fixedly installed between the two rotating disks, and two guide plates are fixedly connected to the inner side of the fixed cylinder. The rotating rod can drive the fixed rod to rotate inward through the rotating disk, and the coal slag falling to the top of the conveyor belt can be guided by the guide plate to make the coal slag fall to the middle part of the conveyor belt.

[0014] The present invention provides a circulating fluidized bed coal falling anti-blocking device. Compared with the prior art, the present invention has the following beneficial effects: by providing a rotating rod, a fixed rod, a fixed cylinder, an axle frame, a movable plate, a slider and a support rod, when the furnace pot burns coal, the burned coal slag falls into the fixed bucket, by driving two rotating rods to rotate inwards, and synchronously driving a plurality of fixed rods to rotate inwards, the fixed rods squeeze the coal slag, the coal slag can be crushed, and the coal slag can be prevented from blocking the fixed bucket, and the coal slag can be dropped to the top of the conveyor belt for transportation, and the coal falling can be conveniently prevented from being blocked, by driving the fixed cylinder to rotate along the fixed bucket to adjust the angle, the movable plate can drive one end of the conveyor belt to move the position, by driving the slider to slide along the sliding frame, and by using the support rod to support the movable plate and the fixed frame, the movable plate can be turned up and down along the axis of the axle frame, and the movable plate can drive one end of the conveyor belt to turn up and down, and the position of the coal slag transportation can be conveniently adjusted according to the demand. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixed bucket of the utility model;

[0017] Figure 3 This is a schematic diagram of the cutaway structure of the fixed bucket of the utility model;

[0018] Figure 4 It is a schematic diagram of the cutaway structure of the fixed bucket of the utility model from a side view;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixing plate of the utility model.

[0020] In the figure: 1, furnace pot; 2, fixed bucket; 3, fixed cylinder; 4, fixed frame; 5, fixed plate; 6, conveyor belt; 7, shaft frame; 8, movable plate; 9, shaft rod; 10, first motor; 11, rotating frame; 12, shaft seat; 13, support rod; 14, support wheel; 15, second motor; 16, sliding frame; 17, slider; 18, fixed knob; 19, rotating rod; 20, turntable; 21, fixed rod; 22, gear set; 23, guide plate; 24, support roller. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] The utility model provides Figure 1-5 A circulating fluidized bed coal falling anti-blocking device shown in the figure comprises a furnace pot 1 and a fixed bucket 2 fixedly installed at the bottom of the furnace pot 1, a crushing assembly and a conveying assembly are arranged on the furnace pot 1, the crushing assembly comprises two rotating rods 19 rotatably installed on the inner side of the fixed bucket 2, both ends of the two rotating rods 19 extend out of both sides of the fixed bucket 2, four fixed rods 21 are fixedly connected to the periphery of the two rotating rods 19, the conveying assembly comprises a fixed cylinder 3 rotatably installed at the bottom of the fixed bucket 2, the bottom of the fixed cylinder 3 is fixedly connected to two fixed plates 5 through a fixed frame 4, one end of the two fixed plates 5 is movably connected to a movable plate 8 through an axle frame 7, the two fixed plates 5 are rotatably connected to the inner side of the movable plate 8 with a conveyor belt 6, the tops of the two movable plates 8 are slidably installed with sliders 17, and support rods 13 are movably connected between the two sliders 17 and the fixed frame 4;

[0023] A shaft rod 9 is rotatably mounted between the two shaft frames 7. The shaft rod 9 is located above the conveyor belt 6. Two support wheels 14 are rotatably mounted on the outer side of the shaft rod 9. The bottoms of the two support wheels 14 are in contact with the conveyor belt 6.

[0024] A gear set 22 is fixedly mounted at one end of the two rotating rods 19, and the gear set 22 is located on one side of the fixed bucket 2. The axis of one of the rotating rods 19 extends out of the fixed bucket 2 and is fixedly connected to the output end of the first motor 10. The first motor 10 is fixedly mounted on the other side of the fixed bucket 2 through a mounting member.

[0025] The fixed cylinder 3 and the fixed bucket 2 are rotatably mounted via a rotating frame 11, and both ends of each support rod 13 are movably mounted between the fixed frame 4 and the slider 17 via an axle seat 12;

[0026] A sliding frame 16 is fixedly installed on the top of each movable plate 8, and each slider 17 is slidably installed with a sliding frame 16, and each slider 17 is fixed to the sliding frame 16 by a fixing knob 18;

[0027] A plurality of support rollers 24 are rotatably mounted on the inner sides of each of the two fixed plates 5 and the movable plate 8, and the conveyor belt 6 is rotatably connected to the support rollers 24. A second motor 15 is fixedly mounted on the front sides of the fixed plate 5 and the movable plate 8, and the output end of each second motor 15 is fixedly connected to the axis of a support roller 24;

[0028] Two rotating disks 20 are fixedly installed on the outer side of each rotating rod 19 , and every four fixed rods 21 are fixedly installed between the two rotating disks 20 . Two guide plates 23 are fixedly connected to the inner side of the fixed cylinder 3 .

[0029] The working principle of the circulating fluidized bed coal falling and blocking prevention device according to the embodiment is as follows: by introducing coal into the furnace pot 1, using the furnace pot 1 to burn the coal, and then making the burned coal slag fall into the fixed bucket 2, starting the first motor 10, which can drive a rotating rod 19 to rotate, and by using the mutual meshing between the gear sets 22, the two rotating rods 19 can be rotated inwardly, and the four rotating disks 20 can be driven to rotate inwardly synchronously;

[0030] The rotating disk 20 drives the plurality of fixed rods 21 to rotate inward, so that the fixed rods 21 squeeze the coal slag, which can crush the coal slag, and can facilitate the anti-blocking operation of the falling coal, so as to avoid the coal slag from blocking the fixed bucket 2, and the coal slag can be made to fall to the inside of the fixed cylinder 3, and the guide plate 23 is used to guide the crushed coal slag, so that the coal slag falls to the middle part of the conveyor belt 6;

[0031] The second motor 15 is started to drive the support roller 24 to rotate, and the support roller 24 is used to drive the conveyor belt 6 to transmit, so that the derived coal slag can be transported. The rotating frame 11 can conveniently drive the fixed cylinder 3 to rotate along the fixed bucket 2 to adjust the angle, and synchronously drive the fixed plate 5 to rotate the angle, so that the movable plate 8 can drive one end of the conveyor belt 6 to move the position;

[0032] By driving the slider 17 to slide along the sliding frame 16, one end of the support rod 13 can be driven to move, so that the other end of the support rod 13 can be flipped between the fixed frame 4, and the movable plate 8 can be driven to flip up and down along the shaft frame 7, so that the movable plate 8 can drive one end of the conveyor belt 6 to flip up and down, and the position of the coal slag conveying can be conveniently adjusted according to needs. The support wheel 14 can be rotated through the shaft rod 9, and the support wheel 14 can be used to provide rolling support for the bend of the conveyor belt 6 to prevent the conveyor belt 6 from loosening.

[0033] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A circulating fluidized bed coal falling anti-blocking device, comprising a furnace pot (1) and a fixed bucket (2) fixedly installed at the bottom of the furnace pot (1), characterized in that: The furnace pot (1) is provided with a crushing component and a conveying component; The crushing assembly comprises two rotating rods (19) rotatably mounted inside the fixed bucket (2), both ends of the two rotating rods (19) extending out of both sides of the fixed bucket (2), and the peripheries of the two rotating rods (19) are fixedly connected to four fixed rods (21); The conveying assembly comprises a fixed cylinder (3) rotatably mounted at the bottom of a fixed bucket (2); the bottom of the fixed cylinder (3) is fixedly connected to two fixed plates (5) via a fixed frame (4); one end of the two fixed plates (5) is movably connected to a movable plate (8) via an axle frame (7); a conveyor belt (6) is rotatably connected to the inner side of the two fixed plates (5) and the movable plate (8); a slider (17) is slidably mounted on the top of the two movable plates (8); and a support rod (13) is movably connected between the two sliders (17) and the fixed frame (4).

2. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: A shaft rod (9) is rotatably mounted between the two shaft frames (7), the shaft rod (9) is located above the conveyor belt (6), and two support wheels (14) are rotatably mounted on the outer side of the shaft rod (9), and the bottoms of the two support wheels (14) are in contact with the conveyor belt (6).

3. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: A gear set (22) is fixedly mounted on one end of the two rotating rods (19), and the gear set (22) is located on one side of the fixed bucket (2). The axis of one of the rotating rods (19) extends out of the fixed bucket (2) and is fixedly connected to the output end of the first motor (10). The first motor (10) is fixedly mounted on the other side of the fixed bucket (2) via a mounting member.

4. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: The fixed cylinder (3) and the fixed bucket (2) are rotatably mounted via a rotating frame (11), and both ends of each support rod (13) are movably mounted on the fixed frame (4) and the sliding block (17) via an axle seat (12).

5. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: A sliding frame (16) is fixedly mounted on the top of each movable plate (8), each sliding block (17) is slidably mounted on a sliding frame (16), and each sliding block (17) is fixed to the sliding frame (16) via a fixing knob (18).

6. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: A plurality of support rollers (24) are rotatably mounted on the inner sides of each of the two fixed plates (5) and the movable plates (8); the conveyor belt (6) is rotatably connected to the support rollers (24); a second motor (15) is fixedly mounted on the front sides of the fixed plates (5) and the movable plates (8); and the output end of each of the second motors (15) is fixedly connected to the axis of a support roller (24).

7. The circulating fluidized bed coal falling anti-blocking device according to claim 1, characterized in that: Two rotating disks (20) are fixedly mounted on the outer side of each rotating rod (19), and each of the four fixed rods (21) is fixedly mounted between the two rotating disks (20). The inner side of the fixed cylinder (3) is fixedly connected to two guide plates (23).

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