Coal feeding device for boiler

Abstract

The utility model relates to the technical field of boilers, in particular to a coal feeding device for a boiler. The boiler coal feeding device with the quantity control function comprises a supporting frame, an outer shell, a conveying belt, a discharging hopper, a fixing frame, a motor, a driving plate, a belt, a driving plate and a rotating shaft, the supporting frame is a device carrier, the outer shell is arranged on the top of the supporting frame, the discharging hopper is arranged on the front portion of the outer shell, and the conveying belt is installed between the outer shell and the two inner sides of the discharging hopper. A fixing frame is arranged on the left side of the shell, a motor is installed on the inner side of the fixing frame, the output end of the motor is connected with a conveying belt in the shell, a driving plate is rotationally arranged on the shell on the front side of the motor, a belt is arranged between the driving plate and an output shaft of the motor, and a driving plate is arranged on the shell on the upper side of the driving plate through a rotating shaft. According to the utility model, the driving plate is driven by the motor to impact the driving plate, and the pushing plate is driven to feed coal briquettes in a quantitative and frequency manner, so that the feeding effect of controlling the quantity and the frequency of the coal briquettes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a coal feeding device for a boiler. Background Art

[0002] A boiler is an energy converter, mainly composed of a pot and a furnace. The water-holding part on the top is the pot, and the heating part on the bottom is the furnace. The integrated design of the pot and the furnace is called a boiler. It is a device that uses the heat energy released by the combustion of fuel or other heat energy to heat the working medium water or other fluids to certain parameters. The hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's lives, and can also be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electrical energy through a generator.

[0003] When using a boiler, fuel needs to be added to maintain its use. However, the mechanical feeding conveyor belt structure in the prior art is particularly crude. The coal blocks on the conveyor belt are fed into the boiler through a circular rotation. This coal feeding scheme does not have a mechanical structure to control the frequency and amount of coal block feeding. Most of them only adjust the feeding frequency by controlling the speed of the output shaft of the driving motor. The amount of coal blocks pre-stored on the conveyor belt cannot be uniform, which leads to an uneven amount of coal blocks fed into the boiler, making the heat generated during the combustion process uneven, and thus resulting in a failure to obtain a sufficient combustion effect.

[0004] Therefore, in summary, in response to the above problems, there is an urgent need for a boiler coal feeding device with a quantity control function. Utility Model Content

[0005] In order to overcome the above-mentioned shortcomings of the prior art, the utility model provides a boiler coal feeding device with a quantity control function.

[0006] In order to solve the above technical problems, the utility model provides a coal feeding device for a boiler, comprising a support frame, an outer shell, a conveyor belt, a lower hopper, a fixed frame, a motor, a dial, a belt, a paddle, a torsion spring, a push plate and a rotating shaft. The support frame is a carrier of the device, the top of the support frame is provided with an outer shell, the front part of the outer shell is provided with a lower hopper, the conveyor belt is installed between the inner sides of the outer shell and the lower hopper, a fixed frame is provided on the left side of the outer shell, a motor is installed on the inner side of the fixed frame, the output end of the motor is fixedly connected to the connecting shaft of the conveyor belt in the outer shell through a coupling, a dial is rotatably provided on the outer shell on the front side of the motor, a belt is provided between the dial and the output shaft of the motor, a paddle is provided on the outer shell on the upper side of the dial through the rotating shaft, the paddle and the dial are matched in an impact manner, a torsion spring is provided between the rotating shaft and the paddle, and the rotating shaft passes through both sides of the outer shell, a push plate is provided on the rotating shaft, and the push plate is located on the inner side of the outer shell.

[0007] Preferably, it also includes a telescopic rod and a bolt. The supporting pillars around the bottom of the support frame are all slidably provided with a telescopic rod. The telescopic rod and the supporting pillars are both provided with matching holes and grooves, and the bolts are inserted into the holes and grooves.

[0008] Preferably, a baffle is further included, and a baffle is arranged between the inner walls on both sides of the shell, and the baffle is located at the connection between the lower hopper and the conveyor belt.

[0009] Preferably, a dustproof plate and a dust collecting strip are also included. The top of the lower hopper is provided with a dustproof plate, and the top of the dustproof plate is provided with a dust collecting strip.

[0010] Preferably, universal wheels are also included, and universal wheels are arranged around the bottom of the support frame.

[0011] Preferably, a handle is further included, and the handle is arranged on the right part of the shell.

[0012] Beneficial effects: 1. The utility model drives the dial to impact the dial plate through the motor, driving the push plate to keep the coal blocks in a quantitative and frequency manner, thereby achieving the effect of controlling the quantity and frequency of coal blocks;

[0013] 2. The utility model controls the height of the device by adjusting the support frame and the telescopic rod, thereby achieving the effect of overall controllability of the device;

[0014] 3. The utility model absorbs the coal ash through the dust-proof plate and the dust-absorbing strip, so that the flying of the coal ash is controlled, thereby achieving the effect of maintaining a clean working environment. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the motor, dial, dial plate and other parts of the utility model.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the utility model's components such as the conveyor belt, baffle and lower hopper.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the components such as the shift plate, torsion spring and push plate of the utility model.

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the dust collecting strip, universal wheels, handles and other parts of the utility model.

[0020] The reference numerals in the drawings are: 1 - support frame, 101 - telescopic rod, 102 - bolt, 2 - housing, 3 - conveyor belt, 301 - baffle, 4 - hopper, 5 - fixed frame, 6 - motor, 7 - dial, 8 - belt, 9 - deflector, 10 - torsion spring, 11 - push plate, 111 - rotating shaft, 12 - dust-proof plate, 13 - dust-absorbing strip, 14 - universal wheel, 15 - handle. Detailed implementation mode

[0021] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0022] Embodiment: A coal feeding device for a boiler, as Figure 1-Figure 5 shown, comprising a support frame 1, a housing 2, a conveyor belt 3, a hopper 4, a fixed frame 5, a motor 6, a dial 7, a belt 8, a deflector 9, a torsion spring 10, and a push plate 11. The support frame 1 is the carrier of the device, and the support frame 1 plays a load-bearing role for the whole device. A housing 2 is provided at the top of the support frame 1. The housing 2 is in a U shape and is in a hollow state. A hopper 4 is fixedly arranged at the front of the housing 2. The hopper 4 is in an inclined state, facilitating the feeding of coal blocks. Conveyor belts 3 are installed between the left and right inner sides of the housing 2 and the hopper 4. The conveyor belts 3 play a role in transporting coal blocks. A fixed frame 5 is fixedly arranged on the left side of the housing 2. The fixed frame 5 is a hollow cuboid. A motor 6 is fixedly installed on the left inner side of the fixed frame 5. The output end of the motor 6 is fixedly connected to the connecting shaft of the conveyor belt 3 inside the housing 2 through a coupling. The motor 6 is the driving source of the whole device. A dial 7 is rotatably arranged on the housing 2 on the front side of the motor 6. One end on the upper side of the dial 7 is a protruding part. A belt 8 is provided between the dial 7 and the output shaft of the motor 6, and the two operate synchronously. A deflector 9 is provided on the housing 2 on the upper side of the dial 7 through a rotating shaft 111. By the clockwise rotation of the dial 7, its protruding part contacts and impacts the deflector 9. A torsion spring 10 is arranged between the deflector 9 and the rotating shaft 111. The torsion spring 10 can play a role in resetting the deflector 9. And the rotating shaft 111 horizontally penetrates the left and right sides of the housing 2. A push plate 11 is horizontally arranged on the rotating shaft 111. The push plate 11 is located inside the housing 2. The push plate 11 is in an inner hook shape, and its front end is in a sharp state and is arranged at an inclined angle as a whole, facilitating the shoveling of coal blocks.

[0023] As Figure 3 and Figure 5As shown, it also includes a telescopic rod 101, and the telescopic rod 101 is slidably provided on the pillars around the bottom of the support frame 1, and the telescopic rod 101 can adjust the overall height of the device; bolts 102, the telescopic rod 101 and the pillars of the support frame 1 are provided with matching holes and grooves, and the bolts 102 are inserted into the holes and grooves, and the bolts 102 are used to fix the hole and groove positions between the support frame 1 and the telescopic rod 101; baffles 301, baffles 301 are fixedly provided between the inner walls on the left and right sides of the shell 2, and the baffles 301 are located at the connection between the lower hopper 4 and the conveyor belt 3, and the baffles 301 are L-shaped, which are used to block foreign objects at the connection between the two, thereby protecting the operation of the device. ; Dust-proof plate 12, a dust-proof plate 12 is provided on the top of the lower hopper 4 by screws, the dust-proof plate 12 can block the coal ash, the dust-proof plate 12 and the lower hopper 4 are in a detachable state, which is convenient for cleaning the device; dust suction strip 13, a dust suction strip 13 is provided on the top of the dust-proof plate 12, the dust suction strip 13 is in a flocculent state, and can absorb the coal ash, and the dust suction strip 13 and the dust-proof plate 12 are in a detachable state, which is convenient for overall replacement; universal wheels 14, universal wheels 14 are fixedly provided on all sides of the bottom of the support frame 1, which is convenient for the movement of the entire device; handle 15, a handle 15 is horizontally provided on the right part of the outer shell 2, and the handle 15 is used to promote the movement of the device.

[0024] When it is necessary to add fuel to the boiler, the staff moves the entire device to the charging port of the boiler through the handle 15, aligns the rear side of the device with the charging port, and adjusts the position between the telescopic rod 101 and the support frame 1 so that the telescopic rod 101 is aligned with the hole groove of the corresponding height on the support frame 1, and then fixes the two by bolts 102, thereby completing the height adjustment of the entire device, so that the device and the boiler reach a more suitable height for feeding, and then the staff starts the motor 6, and the conveyor belt 3 is driven by the motor 6 to operate, so that the conveyor belt 3 in the shell 2 is in a backward transportation state, and at the same time, under the operation of the motor 6, the dial 7 connected to it by the belt 8 also rotates accordingly, and at the same time, the adjacent dial plate 9 is rotated. During this rotation process, each time the dial 7 moves the dial plate 9 once, under the action of force, the push plate 11 connected to it is driven to rotate accordingly. The torsion spring 10 is deformed by the force at the same time, so that the paddle plate 9 and the push plate 11 rotate synchronously by a certain angle. At this time, the coal blocks pass through the lower hopper 4 and the opened push plate 11. The push plate 11 paddles the coal blocks and makes them enter the next conveyor belt 3 at the same time, so that the coal blocks can enter the conveyor belt 3 in a certain amount and regularly, maintain the frequency of transportation, maintain the fuel supply of the boiler, and then the coal blocks enter the boiler under the transportation of the conveyor belt 3, and repeat this process. On the contrary, the paddle plate 9 is reset by the force of the torsion spring 10 after being hit, and the push plate 11 is reset to the initial state at an inclined angle above the lower hopper 4, blocking the unloaded coal blocks, thereby controlling the frequency. Here, when the coal shovel enters the lower hopper 4, the dustproof plate 12 blocks the floating coal ash, and the dust suction strip 13 absorbs the flying coal ash, thereby protecting the working environment and completing the overall coal feeding work.

[0025] The above-mentioned embodiments only express the preferred implementation of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications, improvements and substitutions can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A coal feeding device for a boiler, comprising a support frame (1), a shell (2) is arranged on the top of the support frame (1), a lower hopper (4) is arranged at the front of the shell (2), and a conveyor belt (3) is installed between the inner sides of the shell (2) and the lower hopper (4), characterized in that A fixed frame (5) is arranged on the left side of the housing (2), a motor (6) is installed on the inner side of the fixed frame (5), the output end of the motor (6) is fixedly connected to the connecting shaft of the conveyor belt (3) through a coupling, a dial (7) is rotatably arranged on the housing (2) on one side of the motor (6), a belt (8) is arranged between the dial (7) and the output shaft of the motor (6), a dial plate (9) is arranged on the housing (2) on the upper side of the dial (7) through a rotating shaft (111), a torsion spring (10) is arranged between the dial plate (9) and the rotating shaft (111), the dial plate (9) and the dial (7) are matched in an impact manner, and the rotating shaft (111) passes through both sides of the housing (2), a push plate (11) is arranged on the rotating shaft (111), and the push plate (111) is located on the inner side of the housing (2).

2. A coal feeding device for a boiler according to claim 1, characterized in that: It also comprises a telescopic rod (101), and the supporting columns around the bottom of the support frame (1) are all slidably provided with the telescopic rod (101), and the telescopic rod (101) and the supporting columns of the support frame (1) are both provided with matching holes and grooves, and bolts (102) are inserted into the holes and grooves.

3. A coal feeding device for a boiler according to claim 2, characterized in that: It also includes a baffle (301), which is arranged between the inner walls on both sides of the shell (2), and the baffle (301) is located at the connection between the lower hopper (4) and the conveyor belt (3).

4. A coal feeding device for a boiler according to claim 3, characterized in that: It also includes a dustproof plate (12). The top of the lower hopper (4) is provided with a dustproof plate (12), and the top of the dustproof plate (12) is provided with a dust suction strip (13).

5. A coal feeding device for a boiler according to claim 4, characterized in that: It also includes universal wheels (14), and universal wheels (14) are arranged around the bottom of the support frame (1).

6. A coal feeding device for a boiler according to claim 5, characterized in that: It also includes a handle (15), and the handle (15) is arranged on the right part of the housing (2).

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