Storage device for biomass fuel production
The design of the inner and outer cylinder structure and the feeding mechanism solves the problems of moisture and clumping caused by uneven gas delivery and poor exhaust in biomass fuel storage, ensuring the chemical stability and physical integrity of the fuel, and improving storage safety and combustion performance.
Patent Information
- Application Number
- CN202520142843.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing biomass fuel storage devices suffer from uneven gas delivery and poor exhaust, leading to the accumulation of undesirable gases. The lack of effective material removal methods results in internal dampness and clumping, affecting combustion performance and storage safety.
It adopts an inner and outer cylinder structure, with the drive unit driving the toothed disc and the feeding mechanism. Through uniform gas delivery, intermittent exhaust and flexible feeding, it prevents fuel from caking and maintains good fluidity and uniformity. The air holes and movable protrusions on the casing ensure smooth gas delivery.
It achieves the maintenance of the chemical stability and physical form of biomass fuel, reduces the risk of deterioration, improves storage safety and combustion performance stability, and avoids the difficulties in discharging and energy waste caused by agglomeration.
Smart Images

Figure CN223949891U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological energy technology field, concretely is a kind of storage device for biomass fuel production. BACKGROUND
[0002] Common biomass raw materials include crop straw, rice husk, sawdust, animal manure and the like. These raw materials become biomass pellet fuel after corresponding processing and handling, and can be converted into fuel with certain energy density and combustion performance.
[0003] The existing Chinese patent with publication number CN221987158U discloses a storage device for biomass fuel production, which comprises a protective outer plate, a bottom discharge tank, a feed connection tank, a storage inner cylinder and other components. During use, first, the oil filler cap knob is opened to add oil to the oil tank, and then the biomass fuel is put into the tank through the feed cover. The protective outer plate can block rainwater, and if rainwater penetrates, it will fall into the cavity between the protective outer plate and the storage inner cylinder. When using the fuel, the pump is used to draw oil from the oil tank through the drawing pipeline, the spray pipe and the spray head to spray it onto the biomass fuel to make it softer. Then, the first drive motor drives the stirring roller to rotate, and the stirring rod and the scraper plate rotate accordingly to stir the biomass fuel and the oil to make them mix, which facilitates the discharge and improves the combustion efficiency. The mixed fuel is pushed into the discharge pipeline by the discharge push plate, and finally, the control valve is opened, and the second drive motor is started to drive the turning plate to rotate to discharge the biomass fuel. This scheme has deficiencies in the comprehensive effects of gas conveying and moisture-proofing and anti-caking.
[0004] In view of the above-mentioned related technology, the present application provides a storage device for biomass fuel production, which can eliminate the drawbacks of existing devices. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a storage device for biomass fuel production, which uses the device to work, thereby solving the problems of accumulation of harmful gases due to uneven gas conveying and unsmooth gas discharge, and internal moisture and caking caused by lack of effective raking means during the storage of biomass fuel.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a storage device for biomass fuel production, comprising an outer cylinder, an inner cylinder movably connected to the inner wall of the outer cylinder, cylinder racks fixedly connected to both ends of the outer cylinder, a feed hopper and a gas discharge pipe screw-connected to the top end of the outer cylinder, a gear disc fixedly connected to the outer wall of one end of the inner cylinder, the gear disc movably connected to the inner wall of one end of the outer cylinder, a driving member meshingly connected to the gear disc, the driving member fixedly installed on the outer wall of one end of the outer cylinder, a gas conveying pipe fixedly and communicatively connected to the outer wall of the other end of the outer cylinder, a raking mechanism fixedly connected to the driving member and rotatably connected to the inner cylinder;
[0007] The stirring mechanism comprises a coupling, one end of the coupling is fixedly connected with a sleeve, a plurality of stirring rods are fixedly arranged on the outer wall of the sleeve at intervals, the other end of the sleeve is movably connected with a positioning tube, the positioning tube is fixedly and communicatively arranged on the inner cylinder, one end of the positioning tube extends out of the end of the outer cylinder and is fixedly communicated with the gas conveying pipe, and the other end of the stirring rod is movably connected with a flexible flap.
[0008] Preferably, the driving member comprises a driving motor, a main driving gear and a coupling are fixedly connected on the output shaft of the driving motor, a driven gear is meshingly connected on one side of the main driving gear, the other side of the driven gear is meshingly connected with the toothed disc, and the driven gear is movably connected on the outer wall of the one end of the inner cylinder.
[0009] Preferably, a plurality of air holes are arranged on the sleeve at intervals.
[0010] Preferably, a movable protruding cover is slidably connected on the inner wall of the air hole, and a filter screen structure is arranged on one end of the movable protruding cover.
[0011] Preferably, the outer cylinder and the inner cylinder are respectively provided with a feeding hole and an exhaust hole.
[0012] Preferably, the outer cylinder and the inner cylinder are respectively provided with a feeding hole and an exhaust hole.
[0013] Preferably, the outer cylinder and the inner cylinder are respectively provided with a feeding hole and an exhaust hole.
[0014] Compared with the prior art, the utility model has the advantages of the following:
[0015] 1、The storage device for biomass fuel production can accurately control the gas environment in the storage device by realizing uniform gas conveying and intermittent exhaust, effectively prevents internal dampness, ensures that the biomass fuel is in a suitable atmosphere, greatly reduces the risk of fuel deterioration caused by gas factors, effectively maintains the chemical stability of the fuel, and further ensures the stable and reliable combustion performance, thereby laying a solid foundation for efficient energy utilization.
[0016] 2、The storage device for biomass fuel production can effectively prevent fuel caking by the operation of the flexible stirring mechanism, as much as possible maintains the physical form integrity of the fuel, avoids the difficulty in discharging and energy waste caused by caking, and improves the safety and economy of storage. DRAWINGS
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a side structure schematic view of the utility model;
[0019] Figure 3 It is the structure schematic view of the stirring mechanism of the utility model;
[0020] Figure 4 It is the structure schematic view of the stirring mechanism of the utility model;
[0021] Figure 5 It is the structure schematic view of the movable protruding cover of the utility model.
[0022] In the figure: 1, outer cylinder; 10, feed hole; 20, exhaust hole; 120, discharge port; 11, cylinder frame; 12, feed hopper; 13, exhaust pipe; 14, valve; 2, inner cylinder; 21, gear disc; 22, driven gear; 3, driving member; 31, driving motor; 32, main drive gear; 4, gas conveying pipe; 5, stirring mechanism; 51, shaft coupling; 52, sleeve; 520, air hole; 521, movable protruding cover; 53, stirring rod; 54, flexible flap; 55, positioning pipe. 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] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings.
[0025] In combination with Figures 1-5 , a storage device for biomass fuel production mainly comprises outer cylinder 1, inner cylinder 2, cylinder frame 11, feed hopper 12, exhaust pipe 13, gear disc 21, driving member 3, gas conveying pipe 4, stirring mechanism 5 and other components. Among them, driving member 3 comprises driving motor 31, main drive gear 32 and driven gear 22, stirring mechanism 5 comprises shaft coupling 51, sleeve 52, stirring rod 53, positioning pipe 55, flexible flap 54, sleeve 52 also has air hole 520 and movable protruding cover 521, outer cylinder 1 and inner cylinder 2 are respectively provided with feed hole 10, exhaust hole 20 and discharge port 120, feed hopper 12, exhaust pipe 13 and discharge port 120 are all provided with valve 14. In the working process, driving motor 31 is started, driving main drive gear 32 to rotate, and then driving driven gear 22 to rotate gear disc 21, realizing the rotation of inner cylinder 2 in outer cylinder 1. At the same time, shaft coupling 51 on the output shaft of driving motor 31 drives sleeve 52 to rotate, and stirring rod 53 and flexible flap 54 on sleeve 52 stir and mix the biomass fuel in inner cylinder 2, preventing the fuel from accumulating and caking, and ensuring that the fuel maintains good fluidity and uniformity during storage.
[0026] The cylinder frame 11 at both ends of the outer cylinder 1 plays a role of stable support for the whole device. When feeding, open the valve 14 on the feeding hopper 12, and the biomass fuel enters the inner cylinder 2 through the feeding hole 10; the exhaust hole 20 and the exhaust pipe 13 can timely discharge the gas generated in the storage process, so as to ensure the stable air pressure in the inner cylinder 2; when discharging, open the valve 14 on the discharge port 120, and the fuel is smoothly discharged with the aid of the raking mechanism 5.
[0027] The air hole 520 on the sleeve 52 can realize the circulation of gas when needed, and the cooperation of the movable flange 52 can avoid the blockage of the air hole 520, so as to ensure the smoothness of gas delivery, further optimize the environment in the inner cylinder 2, and improve the storage quality and efficiency of the biomass fuel.
[0028] Working principle: when the device works, the driving motor 31 starts, and the output shaft drives the main driving gear 32 to rotate, the main driving gear 32 is engaged with the driven gear 22, so that the driven gear 22 drives the gear disc 21 to rotate, so as to realize the rotation of the inner cylinder 2 in the outer cylinder 1. At the same time, the connecting shaft 51 on the output shaft of the driving motor 31 drives the sleeve 52 to rotate, and the raking rod 53 on the outer wall of the sleeve 52 and the flexible flap 54 at the end rotate, so as to effectively raking and stirring the biomass fuel in the inner cylinder 2, preventing caking, and maintaining the good fluidity and uniformity of the fuel. The cylinder frame 11 at both ends of the outer cylinder 1 provides stable support. When feeding, open the valve 14 of the feeding hopper 12, and the fuel enters the inner cylinder 2 through the feeding hole 10; during storage, the exhaust hole 20 and the exhaust pipe 13 ensure the stable air pressure in the inner cylinder 2. When discharging, open the valve 14 of the discharge port 120, and smoothly discharge under the aid of the raking mechanism 5. The air hole 520 on the sleeve 52 can be ventilated as needed to ensure smooth gas delivery, optimize the storage environment, and improve the storage quality and efficiency.
[0029] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such a process, method, article, or device.
[0030] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A storage device for biomass fuel production, comprising an outer cylinder (1), an inner cylinder (2) movably connected to the inner wall of the outer cylinder (1), a cylinder frame (11) fixedly connected to both ends of the outer cylinder (1), a feed hopper (12) and an exhaust pipe (13) screwed to the top of the outer cylinder (1), a toothed disc (21) fixedly connected to the outer wall of one end of the inner cylinder (2), the toothed disc (21) movably connected to the inner wall of one side end of the outer cylinder (1), and a driving component (3) meshing with the toothed disc (21), characterized in that: The driving member (3) is fixedly installed on one end of the outer cylinder (1), a gas conveying pipe (4) is fixedly and communicatively arranged on the other end of the outer cylinder (1), a stirring mechanism (5) is fixedly connected to the driving member (3), and the stirring mechanism (5) is rotatably connected to the inner cylinder (2); The stirring mechanism (5) comprises a shaft coupling (51), one end of the shaft coupling (51) is fixedly connected with a sleeve (52), a plurality of stirring rods (53) are fixedly and spacedly arranged on the outer wall of the sleeve (52), the other end of the sleeve (52) is movably connected with a positioning tube (55), the positioning tube (55) is fixedly and communicatively arranged on the inner cylinder (2), one end of the positioning tube (55) extends out of the end of the outer cylinder (1) and is fixedly and communicatively connected with the gas conveying pipe (4), and the other end of the stirring rod (53) is movably connected with a flexible flap (54).
2. The storage device for biomass fuel production according to claim 1, characterized in that: The driving member (3) comprises a driving motor (31), a main driving gear (32) and the shaft coupling (51) are fixedly connected to the output shaft of the driving motor (31), a driven gear (22) is meshingly connected to one side of the main driving gear (32), the other side of the driven gear (22) is meshingly connected with the toothed disc (21), and the driven gear (22) is movably connected to the outer wall of the one end of the inner cylinder (2).
3. The storage device for biomass fuel production according to claim 1, characterized in that: A plurality of air holes (520) are spacedly arranged on the sleeve (52).
4. The storage device for biomass fuel production according to claim 3, characterized in that: An active protruding cover (521) is slidably connected to the inner wall of the air hole (520), and a filter screen structure is arranged on one end of the active protruding cover (521).
5. The storage device for biomass fuel production according to claim 1, characterized in that: The outer cylinder (1) and the inner cylinder (2) are respectively provided with a feeding hole (10) and an exhaust hole (20).
6. The storage device for biomass fuel production according to claim 5, characterized in that: The outer cylinder (1) and the inner cylinder (2) are respectively provided with a feeding hole (10) and an exhaust hole (20).
7. The storage device for biomass fuel production according to claim 6, characterized in that: Valves (14) are arranged on the feeding hopper (12), the exhaust pipe (13) and the discharge port (120).
Citation Information
Patent Citations
Storage device for biomass fuel production
CN221987158U