Automatic fuel supply device for hot blast stove

By using a feed motor to drive a bevel gear that rotates the feed wheel, combined with the design of a storage trough and a pusher plate, the automatic batch feeding of fuel for the hot blast stove is achieved, overcoming the limitations of manual feeding and improving the adaptability and stability of the equipment.

CN223992254UActive Publication Date: 2026-03-13TIANJIN HONGYA ENERGY SAVING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

The existing hot blast stove fuel supply device requires manual batch feeding, lacks automation and stability, resulting in insufficient equipment adaptability and stability.

Method used

The system uses a distribution motor to drive a bevel gear to rotate, which in turn drives the distribution wheel to rotate. Through the cooperation of the storage trough and the push plate, the system can automatically deliver and push out fuel in batches, avoiding jamming and increasing the adaptability and stability of the equipment.

Benefits of technology

It enables automatic batch fuel supply, reduces manual operation, improves the adaptability and stability of the equipment, and avoids jamming problems caused by fuel accumulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

An automatic fuel supply device of a hot blast stove comprises an equipment base, an equipment supporting plate, a push rod positioning rod, a cam, a smashing shaft, smashing blades, a gear support and a material distribution motor, the side portion of the equipment base is fixedly connected with the equipment supporting plate, the rear portion of the equipment supporting plate is fixedly connected with a material distribution box support, and the upper portion of the material distribution box support is fixedly connected with a material distribution box. The front portion of the material distribution box is fixedly connected with the fuel discharging port, the upper portion of the material distribution box is provided with a bevel gear positioning groove, the bevel gear positioning groove is matched with the bevel gear, the bevel gear positioning groove is connected with the bevel gear, the bevel gear rotates in the bevel gear positioning groove, the lower portion of the bevel gear is fixedly connected with the material distribution wheel, and the lower portion of the material distribution wheel is provided with a material distribution wheel bevel angle. The front portion of the equipment supporting plate is fixedly connected with the riding wheel shaft rod, the side portion of the riding wheel shaft rod is rotationally connected with the riding wheel, and the material distributing wheel bevel angle rotates on the side portion of the riding wheel.
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Description

Technical Field

[0001] This utility model relates to the field of hot blast stoves, and in particular to an automatic fuel supply device for hot blast stoves. Background Technology

[0002] An existing patent (publication number: CN221182996U) discloses an automatic fuel supply device for a hot blast stove. It includes a hopper, a conveyor, crushed blocks, and a rotating shaft. The rotating shaft is movably positioned at the center of the hopper, and a crushing wheel is fixedly mounted on the rotating shaft. Several crushed blocks are arranged around the crushing wheel. One end of the rotating shaft extends to the outside of the hopper. A second rotary drive is bolted to the outside of the hopper, and the output end of the second rotary drive is connected to one end of the rotating shaft. Crushed blocks are fixed to both sides inside the hopper. However, this device, with its "rotating shaft movably positioned at the center of the hopper," relies on a conveyor belt at the bottom of the hopper to supply fuel to the hot blast stove. If the device needs to supply fuel in batches, operators must manually operate the conveyor belt to feed the fuel in batches, which has certain limitations. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings of the existing technology by providing an automatic fuel supply device for a hot blast stove. After larger pieces of fuel are crushed inside a crushing cylinder and stored in a storage hopper, a distribution motor at the top of the distribution box drives a bevel gear to rotate. This bevel gear, in turn, drives a distribution wheel to rotate, simultaneously causing multiple storage troughs on the side of the distribution wheel to deliver fuel in batches. This eliminates the need for manual batch feeding by the operator, thereby increasing the adaptability of the equipment.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] An automatic fuel supply device for a hot blast stove includes a base, a support plate, a push rod positioning rod, a cam, a crushing shaft, crushing blades, a gear bracket, and a distributing motor. The side of the base is fixedly connected to the support plate, the rear of the support plate is fixedly connected to a distributing box bracket, the upper part of the distributing box bracket is fixedly connected to the distributing box, and the front of the distributing box is fixedly connected to a fuel outlet. The upper part of the distributing box has a bevel gear positioning groove that adapts to a bevel gear and connects to it. The bevel gear rotates within the positioning groove. The lower part of the bevel gear is fixedly connected to a distributing wheel, which has a distributing wheel angle at its lower end. The front part of the support plate is fixedly connected to the roller shaft, the side part of the roller shaft is rotatably connected to the roller, the material distribution wheel rotates at an angle on the side of the roller, the material distribution wheel has an inner cavity, the upper part of the inner cavity is fixedly connected to the central support, the side of the central support is fixedly connected to the positioning rod, the upper part of the push plate seat is fixedly connected to the spring seat, the positioning rod is adapted to the spring seat, the positioning rod is connected to the spring seat, the spring seat slides inside the positioning rod, the inside of the spring seat is fixedly connected to the return spring, the rear part of the return spring is fixedly connected to the inner cavity of the material distribution wheel, the front of the push plate seat is fixedly connected to the push rod positioning rod, the side of the material distribution wheel has a storage groove, and the inside of the storage groove has a push rod positioning groove.

[0006] The push rod positioning groove is adapted to the push rod positioning rod, the push rod positioning groove is connected to the push rod positioning rod, the push rod positioning rod slides inside the push rod positioning groove, the front part of the push rod positioning rod is fixedly connected to the fuel push plate, the fuel push plate slides inside the storage tank, the front part of the storage tank corresponds to the position of the fuel outlet, the lower part of the push plate seat is fixedly connected to the transmission wheel shaft, and the transmission wheel is rotatably connected inside the transmission wheel shaft.

[0007] The upper part of the equipment base is fixedly connected to the cam, the transmission wheel rotates on the side of the cam, the front part of the material distribution box is fixedly connected to the crushing cylinder support, the upper part of the crushing cylinder support is fixedly connected to the crushing cylinder, the crushing cylinder has a crushing shaft groove inside, the crushing shaft groove is adapted to the crushing shaft, the crushing shaft groove is connected to the crushing shaft, and the crushing shaft rotates inside the crushing shaft groove. Beneficial effects

[0008] 1. In the operation of this utility model hot air furnace automatic fuel supply device, larger pieces of fuel are placed inside the crushing cylinder for crushing and then stored in the storage hopper. The distribution motor at the top of the distribution box drives the bevel gear to rotate, which in turn drives the distribution wheel to rotate. At the same time, the bevel gear drives multiple sets of storage troughs on the side of the distribution wheel to deliver fuel in batches. During this process, there is no need for the operator to manually feed the fuel in batches, thereby increasing the adaptability of the equipment.

[0009] 2. During the use of the automatic fuel supply device for hot air furnace of this utility model, the material is conveyed through the storage trough inside the material distribution box. While the material distribution wheel rotates, it works in conjunction with the cam on the upper part of the equipment base to drive the transmission wheel to move. The transmission wheel drives the push plate seat to move, and at the same time, it drives the fuel push plate inside the storage trough to push out the fuel, thereby avoiding the accumulation of excess fuel in the storage trough and causing blockage, thus increasing the stability of the equipment.

[0010] 3. During the use of the automatic fuel supply device for hot air furnace of this utility model, the distribution motor at the top of the distribution box drives the distribution wheel to rotate, so that the distribution wheel carries the fuel to be output in batches. In addition, the support roller on the side of the equipment support plate guides the angle of the distribution wheel at the bottom of the distribution wheel to avoid the distribution wheel tilting due to uneven weight on one side, thereby further increasing the stability of the equipment. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of an automatic fuel supply device for a hot blast stove according to the present invention.

[0012] Figure 2 This is a partial cross-sectional schematic diagram of the structure of the automatic fuel supply device for a hot blast stove according to the present invention.

[0013] Figure 3 This is a partial cross-sectional schematic diagram of the material distribution box structure of the automatic fuel supply device for a hot blast stove according to the present invention.

[0014] Figure 4 This is a partial cross-sectional three-dimensional assembly diagram of the material distribution box structure of the automatic fuel supply device for a hot blast stove according to the present invention.

[0015] Figure 5 This is a three-dimensional assembly schematic diagram of a partial cross-section of the cam structure of an automatic fuel supply device for a hot blast stove according to the present invention.

[0016] Figure 6 This is a partial cross-sectional schematic diagram of the material distribution wheel structure of the automatic fuel supply device for a hot blast stove according to the present invention.

[0017] Figure 7 This is a partial cross-sectional three-dimensional assembly diagram of the pusher plate seat structure of the automatic fuel supply device for a hot blast stove according to the present invention.

[0018] Figure 8 This is a three-dimensional assembly schematic diagram of a partial cross-section of the crushing cylinder structure of an automatic fuel supply device for a hot blast stove according to the present invention. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0020] Example 1:

[0021] An automatic fuel supply device for a hot blast stove includes a base 01, a support plate 02, a push rod positioning rod 18, a cam 24, a crushing shaft 27, crushing blades 28, a gear bracket 32, and a distributing motor 35. The side of the base 01 is fixedly connected to the support plate 02, the rear of the support plate 02 is fixedly connected to a distributing box bracket 03, the upper part of the distributing box bracket 03 is fixedly connected to a distributing box 04, and the front of the distributing box 04 is fixedly connected to a fuel outlet 05. The upper part of the distributing box 04 has a bevel gear positioning groove 06, which is adapted to a bevel gear 07. The bevel gear positioning groove 06 connects to a bevel gear. Wheel 07 and bevel gear 07 rotate inside bevel gear positioning groove 06. The lower part of bevel gear 07 is fixedly connected to distribution wheel 08. The lower part of distribution wheel 08 has distribution wheel angle 09. During the use of the automatic fuel supply device for hot air furnace, the distribution wheel 08 is driven to rotate by the distribution motor 35 on the upper part of the distribution box 04, so that the distribution wheel 08 drives the fuel to be output in batches. In conjunction with the support roller 11 on the side of the equipment support plate 02, the distribution wheel angle 09 at the lower part of the distribution wheel 08 is guided to avoid the distribution wheel 08 tilting due to uneven weight on one side, thereby further increasing the stability of the equipment. The front part of the equipment support plate 02 is connected to the support roller shaft. 10 is fixedly connected. The side of the support roller shaft 10 is rotatably connected to the support roller 11. The material distribution wheel rotates at an angle 09 on the side of the support roller 11. The material distribution wheel 08 has a material distribution wheel cavity 12 inside. The upper part of the material distribution wheel cavity 12 is fixedly connected to the central support 13. The side of the central support 13 is fixedly connected to the positioning rod 14. The upper part of the push plate seat 15 is fixedly connected to the spring seat 16. The positioning rod 14 is adapted to the spring seat 16. The positioning rod 14 is connected to the spring seat 16. The spring seat 16 slides inside the positioning rod 14. The spring seat 16 is fixedly connected to the return spring 17 inside. The rear part of the return spring 17 is fixedly connected to the material distribution wheel cavity 12. The front part of the push plate seat 15 is fixedly connected to the push rod positioning rod 18. The side of the material distribution wheel 08 has a storage trough 19. During the use of the automatic fuel supply device for the hot air furnace, larger pieces of fuel are placed inside the crushing cylinder 25 for crushing and then transported to the storage hopper 36 for storage. The distribution motor 35 on the upper part of the distribution box 04 drives the bevel gear 07 to rotate, which in turn drives the material distribution wheel 08 to rotate. At the same time, the bevel gear 07 drives the multiple sets of storage troughs 19 on the side of the material distribution wheel 08 to transport the fuel in batches. During this period, there is no need for the operator to manually feed the fuel in batches, thereby increasing the adaptability of the equipment. The storage trough 19 has a push rod positioning groove 20 inside.

[0022] Example 2:

[0023] The push rod positioning groove 20 of this utility model is adapted to the push rod positioning rod 18. The push rod positioning groove 20 is connected to the push rod positioning rod 18. The push rod positioning rod 18 slides inside the push rod positioning groove 20. The front part of the push rod positioning rod 18 is fixedly connected to the fuel push plate 21. The fuel push plate 21 slides inside the storage tank 19. The front part of the storage tank 19 corresponds to the position of the fuel outlet 05. The lower part of the push plate seat 15 is fixedly connected to the transmission wheel shaft 22. The transmission wheel 23 is rotatably connected inside the transmission wheel shaft 22.

[0024] Example 3:

[0025] The upper part of the equipment base 01 of this utility model is fixedly connected to the cam 24. During the use of the automatic fuel supply device for the hot air furnace, the material is conveyed through the storage trough 19 inside the material distribution box 04. While the material distribution wheel 08 rotates, it works in conjunction with the cam 24 on the upper part of the equipment base 01 to drive the transmission wheel 23 to move. The transmission wheel 23 drives the push plate seat 15 to move, and at the same time drives the fuel push plate 21 inside the storage trough 19 to push out the fuel, so as to avoid the accumulation of excess fuel in the storage trough 19 and cause jamming, thereby increasing the stability of the equipment. The transmission wheel 23 rotates on the side of the cam 24. The front part of the material distribution box 04 is fixedly connected to the crushing cylinder support 31. The upper part of the crushing cylinder support 31 is fixedly connected to the crushing cylinder 25. The crushing cylinder 25 has a crushing shaft groove 26 inside. The crushing shaft groove 26 is adapted to the crushing shaft 27. The crushing shaft groove 26 is connected to the crushing shaft 27, and the crushing shaft 27 rotates inside the crushing shaft groove 26.

[0026] Example 4:

[0027] The side of the crushing shaft 27 is fixedly connected to the crushing blade 28, the front of the crushing cylinder 25 is fixedly connected to the crushing motor 29, the output shaft of the crushing motor 29 is fixedly connected to the crushing shaft 27, the upper part of the crushing cylinder 25 is fixedly connected to the feed hopper 30, the upper part of the distribution box 04 is fixedly connected to the gear bracket 32, the main bevel gear 33 is rotatably connected to the front of the gear bracket 32, and the auxiliary bevel gear 34 is rotatably connected to the rear of the gear bracket 32.

[0028] Example 5:

[0029] The gear bracket 32 ​​of this utility model is fixedly connected to the front of the distributing motor 35. The output shaft of the distributing motor 35 is fixedly connected to the main bevel gear 33. The auxiliary bevel gear 34 meshes with the rear of the bevel gear 07. The main bevel gear 33 meshes with the front of the bevel gear 07. The lower part of the crushing cylinder 25 is fixedly connected to the storage hopper 36. The rear of the distributing box 04 has a distributing box inlet 37. The upper part of the distributing box inlet 37 is fixedly connected to the storage hopper 36. The rear of the storage trough 19 corresponds to the position of the distributing box inlet 37.

[0030] Example 6:

[0031] Installation steps of this utility model: Fix the side of the equipment base 01 to the equipment support plate 02; fix the rear of the equipment support plate 02 to the material distribution box bracket 03; fix the upper part of the material distribution box bracket 03 to the material distribution box 04; fix the front of the material distribution box 04 to the fuel outlet 05; rotate the bevel gear 07 inside the bevel gear positioning groove 06; fix the lower part of the bevel gear 07 to the material distribution wheel 08; fix the front of the equipment support plate 02 to the support roller shaft 10; rotatably connect the side of the support roller shaft 10 to the support roller 11; rotate the material distribution wheel at an angle 09 on the side of the support roller 11; and connect the upper part of the inner cavity 12 of the material distribution wheel to the central support 13. The center support 13 is fixedly connected to the side of the positioning rod 14, the upper part of the push plate seat 15 is fixedly connected to the spring seat 16, the spring seat 16 slides inside the positioning rod 14, the inside of the spring seat 16 is fixedly connected to the return spring 17, the rear part of the return spring 17 is fixedly connected to the inner cavity 12 of the material distribution wheel, the front part of the push plate seat 15 is fixedly connected to the push rod positioning rod 18, the push rod positioning rod 18 slides inside the push rod positioning groove 20, the front part of the push rod positioning rod 18 is fixedly connected to the fuel push plate 21, the fuel push plate 21 slides inside the storage trough 19, the front part of the storage trough 19 is aligned with the fuel outlet 05, and the push plate... The lower part of the base 15 is fixedly connected to the transmission wheel shaft 22, and the transmission wheel 23 is rotatably connected inside the transmission wheel shaft 22. The upper part of the equipment base 01 is fixedly connected to the cam 24, and the transmission wheel 23 rotates on the side of the cam 24. The front part of the distribution box 04 is fixedly connected to the crushing cylinder support 31, and the upper part of the crushing cylinder support 31 is fixedly connected to the crushing cylinder 25. The crushing shaft 27 rotates inside the crushing shaft groove 26, and the side of the crushing shaft 27 is fixedly connected to the crushing blade 28. The front part of the crushing cylinder 25 is fixedly connected to the crushing motor 29, and the output shaft of the crushing motor 29 is fixedly connected to the crushing shaft 27. The upper part of the crushing cylinder 25 is connected to the feed hopper 30. The upper part of the material distribution box 04 is fixedly connected to the gear bracket 32. The main bevel gear 33 is rotatably connected to the front of the gear bracket 32. The secondary bevel gear 34 is rotatably connected to the rear of the gear bracket 32. The front of the gear bracket 32 ​​is fixedly connected to the material distribution motor 35. The output shaft of the material distribution motor 35 is fixedly connected to the main bevel gear 33. The secondary bevel gear 34 meshes with the rear of the bevel gear 07. The main bevel gear 33 meshes with the front of the bevel gear 07. The lower part of the crushing cylinder 25 is fixedly connected to the storage hopper 36. The upper part of the material distribution box inlet 37 is fixedly connected to the storage hopper 36. The rear of the storage trough 19 corresponds to the position of the material distribution box inlet 37.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. An automatic fuel supply device for a hot blast stove, characterized by : Including equipment base (01), equipment support plate (02), push rod positioning rod (18), cam (24), crushing shaft (27), crushing blade (28), gear bracket (32), distribution box, equipment base (01) side and equipment support plate (02) fixedly connected, equipment support plate (02) rear and distribution box support (03) fixedly connected, distribution box support (03) upper portion and distribution box (04) fixedly connected, distribution box (04) front and fuel outlet (05) fixedly connected, distribution box (04) upper portion has bevel gear positioning groove (06), bevel gear positioning groove (06) and bevel gear (07) are adapted, bevel gear positioning groove (06) is connected bevel gear (07), bevel gear (07) rotates inside bevel gear positioning groove (06), bevel gear (07) lower portion and distribution wheel (08) fixedly connected, distribution wheel (08) lower portion has distribution wheel bevel angle (09), equipment support plate (02) front and supporting wheel shaft rod (10) fixedly connected, supporting wheel shaft rod (10) side and supporting wheel (11) rotatably connected, distribution wheel bevel angle (09) rotates in supporting wheel (11) side portion, distribution wheel (08) inside has distribution wheel inner cavity (12), distribution wheel inner cavity (12) upper portion and center support (13) fixedly connected, center support (13) side and positioning rod (14) fixedly connected, push plate seat (15) upper portion and spring seat (16) fixedly connected, positioning rod (14) and spring seat (16) are adapted, positioning rod (14) is connected spring seat (16), spring seat (16) slides inside positioning rod (14), spring seat (16) inside and return spring (17) fixedly connected, return spring (17) rear and distribution wheel inner cavity (12) fixedly connected, push plate seat (15) front and push rod positioning rod (18) fixedly connected, distribution wheel (08) side has storage groove (19), storage groove (19) inside has push rod positioning groove (20).

2. The automatic fuel supply device for hot blast stove according to claim 1, wherein : Push rod positioning groove (20) and push rod positioning rod (18) are adapted, push rod positioning groove (20) is connected push rod positioning rod (18), push rod positioning rod (18) slides inside push rod positioning groove (20), push rod positioning rod (18) front and fuel push plate (21) fixedly connected, fuel push plate (21) slides inside storage groove (19), storage groove (19) front and fuel outlet (05) position corresponds, push plate seat (15) lower portion and transmission wheel shaft rod (22) fixedly connected, transmission wheel (23) rotatably connected inside transmission wheel shaft rod (22).

3. The automatic fuel supply device for hot blast stove according to claim 2, characterized in that : Equipment base (01) upper portion and cam (24) fixedly connected, transmission wheel (23) rotates in cam (24) side portion, distribution box (04) front and crushing cylinder support (31) fixedly connected, crushing cylinder support (31) upper portion and crushing cylinder (25) fixedly connected, crushing cylinder (25) inside has crushing shaft slot (26), crushing shaft slot (26) and crushing shaft (27) are adapted, crushing shaft slot (26) is connected crushing shaft (27), crushing shaft (27) rotates inside crushing shaft slot (26).

4. The automatic fuel supply device for hot blast stove according to claim 3, wherein The pulverizing shaft (27) is fixedly connected with the pulverizing blade (28), the pulverizing cylinder (25) is fixedly connected with the pulverizing motor (29), the output shaft of the pulverizing motor (29) is fixedly connected with the pulverizing shaft (27), the upper part of the pulverizing cylinder (25) is fixedly connected with the feeding hopper (30), the upper part of the distributing box (04) is fixedly connected with the gear support (32), the main bevel gear (33) is rotatably connected with the front part of the gear support (32), and the secondary bevel gear (34) is rotatably connected with the rear part of the gear support (32).

5. The automatic fuel feeding device for hot blast stove according to claim 1, characterized in that The front part of the gear support (32) is fixedly connected with the distributing motor (35), the output shaft of the distributing motor (35) is fixedly connected with the main bevel gear (33), the secondary bevel gear (34) is engaged with the rear part of the bevel gear (07), the main bevel gear (33) is engaged with the front part of the bevel gear (07), the lower part of the pulverizing cylinder (25) is fixedly connected with the storage hopper (36), the rear part of the distributing box (04) is provided with a distributing box feeding port (37), the upper part of the distributing box feeding port (37) is fixedly connected with the storage hopper (36), and the rear part of the storage groove (19) corresponds to the position of the distributing box feeding port (37).

Citation Information

Patent Citations

  • Automatic fuel supply device of hot blast stove of grain dryer

    CN221182996U