Cooling device for granular fuel production

By introducing structures such as filter plates, stirring shafts, and strip filter screens into the cooling device, the problem of filtering impurities and large particles in pellet fuel production is solved, achieving efficient cooling and smooth discharge.

CN224050735UActive Publication Date: 2026-03-27FUJIAN LUOYUAN TIANYUAN NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing cooling devices for pellet fuel production cannot effectively filter large pellets and impurities during the introduction process, leading to quality degradation and discharge blockage.

Method used

A cooling device with a filter plate, a stirring shaft, a fan, and a strip filter screen was designed. The filter plate filters impurities, the stirring shaft assists in cooling, the fan purifies the air, and the strip filter screen filters dust, thus achieving efficient filtration and cooling of particulate fuel.

Benefits of technology

It achieves efficient filtration of particulate fuel, improves fuel purity, avoids clogging, and ensures cooling effect and smooth discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of granular fuel production and processing, and discloses a cooling device for granular fuel production, which comprises a cooling box, a turning cover I is arranged on the left side of the top end of the cooling box, a turning plate II is arranged on the right side of the top end of the cooling box, and a fixed cover is fixed in the middle of the top end of the cooling box. When the cooling device for granular fuel production is used, the filter plates are mounted in the mounting grooves in the two sides of the top end of the cooling box correspondingly, when feeding is conducted on the interior of the device, a first turning cover and a second turning plate are turned over to the two sides to be opened correspondingly, then processed granular raw materials can be guided in through the filter plates, and the granular raw materials are fed into the cooling box through the filter plates. Impurities and large particles contained in granular fuel can be filtered and removed in an auxiliary mode through the filter plate, the purity of the fuel particles is improved, fed materials can be filtered, meanwhile, turnover openings are formed in the two sides, large-area rapid feeding operation can be achieved, and the problem that the granular fuel guided into the device is inconvenient to filter in an auxiliary mode is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pellet fuel production processing technical field, concretely is a kind of cooling device for pellet fuel production. BACKGROUND

[0002] Pellet fuel is a kind of heating fuel made by compressing biomass, the most common type is wood pellet. It is made of compacted sawdust or other waste produced by sawing wood and other wood products, and in the process of production and processing, after the granulation process, in order to prevent deformation or rupture caused by internal stress release, the pellet fuel production cooling device needs to be used for cooling treatment. The pellet after cooling will be more stable, and it is convenient for subsequent storage and transportation.

[0003] But the pellet fuel production cooling device in the actual operation process of use, when the pellet fuel processed is introduced into the device inside, some large volume pellet blocks and impurities contained in pellet material will be directly introduced into the device inside, not only can reduce the quality of pellet fuel, and some large volume pellet blocks are difficult to be fully cooled at the same time, also can block the discharge position and affect the normal discharging of pellet fuel, there is deficiency, and it does not have the measure of auxiliary filtering for the pellet fuel introduced into the device inside.

[0004] Now, a new type of pellet fuel production cooling device is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of cooling device for pellet fuel production to solve the problem of not being convenient for auxiliary filtering for the pellet fuel introduced into the device inside in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of cooling device for pellet fuel production, including cooling box, the left side of the top of cooling box is provided with flap one, the right side of the top of cooling box is provided with flap two, the middle position of the top of cooling box is fixed with fixed cover, the both ends of the top left side of flap one and the both ends of the top right side of flap two are respectively fixed with fixed foot, the both ends of the top of the both sides of cooling box are respectively fixed with fixed frame, the fixed foot and fixed frame are hingedly connected, the inside of the both sides of the top of cooling box is respectively provided with installation slot, and the inside of installation slot is provided with filter plate, the both ends of the top right side of flap one and the both ends of the top left side of flap two are respectively welded with connecting plate, and the top of connecting plate is provided with locking rod, the both ends of the top of fixed cover are respectively provided with mounting hole.

[0007] As a further technical scheme of the utility model, the right side of the top end of the first flip cover and the left side of the top end of the second flip cover are respectively fixed with a handle.

[0008] As a further technical scheme of the utility model, the outside of the locking rod is provided with external threads, the bottom end of the locking rod penetrates the inside of the connecting plate and is threadedly connected in the mounting hole.

[0009] As a further technical scheme of the utility model, the bottom end of the cooling box is fixed with a discharge pipe on each side, the bottom end of the cooling box is provided with a material conveying cylinder, the right side of the material conveying cylinder is fixedly provided with a driving motor, the inside of the material conveying cylinder is horizontally movably connected with a material conveying shaft, and the left side of the bottom end of the material conveying cylinder is fixed with a discharge port.

[0010] As a further technical scheme of the utility model, the bottom end of the discharge pipe is fixedly connected with the top end of the material conveying cylinder, and the output shaft of the driving motor is fixedly connected with the right side of the material conveying shaft through a belt pulley structure.

[0011] As a further technical scheme of the utility model, the inside of the top end of the cooling box on each side is provided with an air inlet, the top end of the cooling box on each side is fixedly provided with a side frame, the inside of the front end of the side frame is provided with a socket, the socket is inserted with a strip-shaped filter screen, and the inside of the side frame on each side is provided with a ventilation hole.

[0012] As a further technical scheme of the utility model, the strip-shaped filter screen penetrates the inside of the socket, the front end of the strip-shaped filter screen is fixed with a pull handle, and the inside of the ventilation hole is in communication with the inside of the air inlet.

[0013] As a further technical scheme of the utility model, the bottom end of the cooling box is fixed with a bottom support leg at each corner, the inside of the top end of the cooling box is fixed with a support on each side, the bottom end of the support is vertically movably connected with a stirring shaft, the top end of the stirring shaft penetrates the inside of the support and is fixed with a bevel gear one, the top of the rear end of the cooling box is fixedly provided with a speed reducer motor on each side, the output shaft of the speed reducer motor penetrates the inside of the rear end of the cooling box and is fixed with a connecting shaft, the top end of the support is fixed with a cover at the middle position, the front end of the connecting shaft penetrates the inside of the rear end of the cover and is fixed with a bevel gear two, the bevel gear two is meshingly connected with the bevel gear one, the top of the fixed cover is provided with an air outlet at each end, and the top of the fixed cover is fixedly provided with a fan at each end.

[0014] Compared with the prior art, the cooling device for particle fuel production has the advantages that: the cooling device for particle fuel production not only facilitates auxiliary filtration of the particle fuel in the import device, facilitates rapid discharge of the particle fuel after cooling treatment, but also facilitates auxiliary purification of the cooling air source in the import device.

[0015] (1) By setting up cooling box, fixed frame, fixed foot, lid one, mounting hole, connecting plate, locking rod, fixed cover, flap two, installation slot and filter plate, the filter plate is installed in the installation slot on both sides of the top end of the cooling box, the lid one and the flap two are turned to both sides after opening, and then the processed particle raw material is introduced through the filter plate, the filter plate can remove some impurities and large particles in the particle fuel, improve the purity of the fuel particles, and the feeding can be filtered.

[0016] (2) By setting up cooling box, feeding cylinder, discharge pipe, drive motor, feeding shaft and discharge port, the particle fuel is introduced into the cooling box, the speed reducer is controlled to start driving the stirring shaft to rotate, the internal particle fuel is assisted to stir, the external air is sucked in through the air inlet, the internal particle fuel is cooled and the internal heat is removed, the drive motor is controlled to start driving the feeding shaft to rotate, the feeding shaft rotates and the particle material is quickly conveyed to the left and discharged through the discharge port, and the particle material is quickly discharged.

[0017] (3) By setting up cooling box, air inlet, side frame, socket, strip-shaped filter screen and vent, the strip-shaped filter screen is installed in the side frame on both sides of the cooling box, the strip-shaped filter screen can remove dust and impurities in the external air, reduce the pollution of the internal particle raw material, and the plug-in filter assembly is convenient and quick to extract, clean and replace. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0019] Figure 2 It is a top view structure schematic view of the utility model;

[0020] Figure 3 It is a feeding cylinder front view partial cross-sectional structure schematic view of the utility model;

[0021] Figure 4 It is a side frame three-dimensional structure schematic view of the utility model.

[0022] In the figure: 1, bottom support leg; 2, cooling box; 3, air inlet; 4, stirring shaft; 5, support; 6, fixed frame; 7, fixed foot; 8, flap one; 9, mounting hole; 10, connecting plate; 11, locking rod; 12, fan; 13, flap two; 14, mounting groove; 15, filter plate; 16, side frame; 17, material conveying cylinder; 18, discharge pipe; 19, fixed cover; 20, speed reducer motor; 21, air outlet; 22, cover; 23, bevel gear one; 24, bevel gear two; 25, connecting shaft; 26, drive motor; 27, material conveying shaft; 28, discharge port; 29, socket; 30, strip-shaped filter screen; 31, air vent. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a kind of cooling device for granular fuel production, including cooling box 2, the left side of the top of cooling box 2 is provided with flap one 8, the right side of the top of cooling box 2 is provided with flap two 13, the middle position of the top of cooling box 2 is fixed with fixed cover 19, the two ends of the top left side of flap one 8 and the two ends of the top right side of flap two 13 are respectively fixed with fixed foot 7, the two ends of the top of both sides of cooling box 2 are respectively fixed with fixed frame 6, hinged connection between fixed foot 7 and fixed frame 6, the inside of both sides of the top of cooling box 2 is respectively provided with mounting groove 14, and mounting groove 14 is provided with filter plate 15 in the inside, the two ends of the top right side of flap one 8 and the two ends of the top left side of flap two 13 are respectively welded with connecting plate 10, and the top of connecting plate 10 is provided with locking rod 11, and installation hole 9 is set up in the two ends of the top of both sides of fixed cover 19 respectively;

[0025] Flap one 8 and flap two 13 are symmetrically arranged about the vertical center line of fixed cover 19, the right side of the top of flap one 8 and the left side of the top of flap two 13 are respectively fixed with handle, the outside of locking rod 11 is provided with external thread, and the bottom end of locking rod 11 penetrates the inside of connecting plate 10 and is threadedly connected in mounting hole 9;

[0026] Specifically, as Figure 1 And Figure 2As shown, when loading the inside of the device, respectively, the flip cover 8 and the flip plate 2 13 are turned to both sides and opened, and then the processed granular raw materials can be introduced through the filter plate 15, and the filter plate 15 can be used to assist in filtering and removing some impurities and larger particles in the granular fuel, improve the purity of the fuel particles, and the feed can be filtered. The two sides are turned on, which can be operated quickly and large area, and the large opening design is also convenient for cleaning the inside of the device.

[0027] The bottom end of the cooling box 2 is fixed with a discharge pipe 18 on both sides, and the bottom end of the cooling box 2 is provided with a feeding cylinder 17. The right side of the feeding cylinder 17 is fixedly connected with a driving motor 26. The inside of the feeding cylinder 17 is transversely movably connected with a feeding shaft 27. The left side of the bottom end of the feeding cylinder 17 is fixedly connected with a discharge port 28. The bottom end of the discharge pipe 18 is fixedly connected with the top end of the feeding cylinder 17. The output shaft of the driving motor 26 is fixedly connected with the right side of the feeding shaft 27 through a belt pulley structure.

[0028] Specifically, as shown in Figure 1 and Figure 3 After the cooling treatment is completed, the driving motor 26 can be controlled to drive the feeding shaft 27 to rotate. The feeding shaft 27 rotates while the granular material discharged from the two groups of discharge pipes 18 can be quickly conveyed to the left and discharged from the discharge port 28.

[0029] The inside of the top end of the cooling box 2 is provided with an air inlet 3. The top end of the cooling box 2 is fixedly connected with a side frame 16. The inside of the front end of the side frame 16 is provided with a socket 29. The socket 29 is inserted with a strip-shaped filter screen 30. The inside of the side frame 16 is provided with a ventilation hole 31. The strip-shaped filter screen 30 penetrates the inside of the socket 29. The front end of the strip-shaped filter screen 30 is fixedly connected with a pull handle. The ventilation hole 31 is in communication with the inside of the air inlet 3.

[0030] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 The inside of the side frame 16 on both sides of the cooling box 2 is respectively provided with a strip-shaped filter screen 30. The strip-shaped filter screen 30 can assist in filtering and removing dust and impurities in the air drawn from the outside, reducing the pollution of the granular raw materials in the equipment. At the same time, the plug-in filter assembly can be quickly drawn out for cleaning and replacement.

[0031] The four corners of the bottom end of the cooling box 2 are respectively fixed with bottom support legs 1, the two sides of the top end inside the cooling box 2 are respectively fixed with supports 5, the bottom end of the support 5 is vertically movably connected with a stirring shaft 4, the top end of the stirring shaft 4 penetrates the inside of the support 5 and is fixed with a bevel gear one 23, the two sides of the top of the rear end of the cooling box 2 are respectively installed and fixed with speed reducer motors 20, the output shafts of the speed reducer motors 20 penetrate the inside of the rear end of the cooling box 2 and are fixed with connecting shafts 25, the middle position of the top end of the support 5 is fixed with a baffle 22, the front end of the connecting shaft 25 penetrates the inside of the rear end of the baffle 22 and is fixed with a bevel gear two 24, the bevel gear two 24 and the bevel gear one 23 are meshingly connected, the two ends of the top of the fixed cover 19 are respectively provided with air outlets 21, and the two ends of the top of the fixed cover 19 are respectively installed and fixed with fans 12.

[0032] Principle: in use, the device inside the loading process, respectively, the flip one 8 and the flip plate two 13 are turned to the two sides, then the processed granular material is introduced into the filter plate 15, the filter plate 15 can remove some impurities and large particles in the granular fuel, the granular fuel is introduced into the inside of the cooling box 2, the speed reducer motor 20 can be controlled to start driving the stirring shaft 4 to rotate, the inside granular fuel is stirred, the fan 12 is started to control, the outside air is introduced into the inside granular fuel, the inside heat is removed, the cooling treatment is finished, the driving motor 26 is started to drive the feeding shaft 27 to rotate, the feeding shaft 27 rotates, the two groups of discharge pipes 18 are introduced into the granular material, and the granular material is discharged from the discharge port 28.

[0033] At the same time, the device is used, the strip filter screen 30 is installed in the inside of the two side frames 16 of the cooling box 2, the strip filter screen 30 can remove the dust and impurities in the outside air.

[0034] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A cooling device for pellet fuel production, comprising a cooling box (2), characterized in that: The left side of the top end of the cooling box (2) is provided with a flip cover one (8), the right side of the top end of the cooling box (2) is provided with a flip cover two (13), the middle position of the top end of the cooling box (2) is fixed with a fixed cover (19), the two ends of the top left side of the flip cover one (8) and the two ends of the top right side of the flip cover two (13) are respectively fixed with a fixed foot (7), the two ends of the top of the cooling box (2) are respectively fixed with a fixed frame (6), the fixed foot (7) and the fixed frame (6) are hingedly connected, the inside of the two sides of the top of the cooling box (2) is respectively provided with a mounting groove (14), and the inside of the mounting groove (14) is provided with a filter plate (15), the two ends of the top right side of the flip cover one (8) and the two ends of the top left side of the flip cover two (13) are respectively welded with a connecting plate (10), and the top end of the connecting plate (10) is provided with a locking rod (11), the two ends of the top of the fixed cover (19) are respectively provided with a mounting hole (9).

2. The cooling device for pellet fuel production according to claim 1, characterized in that: The flip cover one (8) and the flip cover two (13) are symmetrically arranged about the vertical center line of the fixed cover (19), and the right side of the top end of the flip cover one (8) and the left side of the top end of the flip cover two (13) are respectively fixed with a handle.

3. The cooling device for pellet fuel production according to claim 1, characterized in that: The outside of the locking rod (11) is provided with external threads, the bottom end of the locking rod (11) penetrates the inside of the connecting plate (10) and is threadedly connected in the mounting hole (9).

4. The cooling device for pellet fuel production according to claim 1, characterized in that: The two sides of the bottom end of the cooling box (2) are respectively fixed with a discharge pipe (18), the bottom end of the cooling box (2) is provided with a feeding cylinder (17), the right side of the feeding cylinder (17) is fixedly provided with a driving motor (26), the inside of the feeding cylinder (17) is transversely movably connected with a feeding shaft (27), and the left side of the bottom end of the feeding cylinder (17) is fixed with a discharge port (28).

5. The cooling device for pellet fuel production according to claim 4, characterized in that: The bottom end of the discharge pipe (18) and the top end of the feeding cylinder (17) are fixedly connected, and the output shaft of the driving motor (26) is fixedly connected with the right side of the feeding shaft (27) through a belt pulley structure.

6. The cooling device for pellet fuel production according to claim 1, characterized in that: The inside of the top of the two sides of the cooling box (2) is respectively provided with an air inlet (3), the top of the two sides of the cooling box (2) is respectively fixedly provided with a side frame (16), the inside of the front end of the side frame (16) is provided with a socket (29), the inside of the socket (29) is inserted with a strip-shaped filter screen (30), and the inside of the two sides of the side frame (16) is respectively provided with a ventilation hole (31).

7. A cooling device for pellet fuel production according to claim 6, characterized in that: The strip-shaped filter screen (30) penetrates the inside of the socket (29), the front end of the strip-shaped filter screen (30) is fixed with a pull handle, and the ventilation hole (31) is in communication with the inside of the air inlet (3).

8. The cooling device for pellet fuel production according to claim 1, characterized in that: The bottom end of the cooling box (2) is respectively fixed with a bottom support leg (1) at four corners, the inside top end of the cooling box (2) is respectively fixed with a support (5) at two sides, and the bottom end of the support (5) is vertically movably connected with a stirring shaft (4), the top end of the stirring shaft (4) penetrates the inside of the support (5) and is fixed with a bevel gear one (23), the top of the rear end of the cooling box (2) is respectively fixed with a speed reducer motor (20) at two sides, and the output shaft of the speed reducer motor (20) penetrates the inside of the rear end of the cooling box (2) and is fixed with a connecting shaft (25), the top end of the support (5) is fixed with a baffle cover (22) at the middle position, the front end of the connecting shaft (25) penetrates the inside of the rear end of the baffle cover (22) and is fixed with a bevel gear two (24), the bevel gear two (24) and the bevel gear one (23) are meshingly connected, the top of the fixed cover (19) is respectively provided with an air outlet (21) at two ends, and the top of the fixed cover (19) is respectively fixed with a fan (12) at two ends.