Blanking mechanism of boiler fuel supply for rice processing

By designing a discharge pipe with a bend and an insulating sleeve structure in the boiler fuel supply system, the problem of boiler heat transfer to the fuel storage tank was solved, achieving uniformity and safety in fuel supply.

CN223499611UActive Publication Date: 2025-10-31FANGZHENG COUNTRY BAOXINGXINLONG RICE CO LTD
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Patent Information

Application Number
CN202422756189.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-31
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

During boiler operation, heat and backfire can easily transfer to the fuel storage tank above, affecting the safety of the fuel stored in the tank.

Method used

The design incorporates a discharge pipe with a bend and an insulating sleeve structure. The discharge valve structure controls the discharge and isolates boiler heat, while the insulating sleeve structure reduces the impact of heat on the fuel storage tank.

Benefits of technology

It effectively isolates boiler heat, prevents backfire, improves the safety and stability of fuel storage tanks, and ensures uniform fuel supply.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a blanking mechanism of boiler fuel supply for rice processing, which relates to the technical field of blanking mechanisms and comprises a boiler, a feed pipe, a fuel temporary storage tank, a discharge pipe, a bent section, a discharge valve structure and a heat insulation sheath structure. According to the device, materials are supplied to the boiler through the fuel temporary storage tank, the bent section is arranged in the middle of the material discharging pipe for supplying the materials, the isolation effect is achieved, heat in the boiler is prevented from directly acting on fuel in the fuel temporary storage tank, the material discharging valve structure is further arranged on the material discharging pipe, and the heat in the boiler is further isolated; the discharge valve structure controls whether the discharge pipe discharges materials or not, and the problem of tempering of the boiler can be effectively solved through the isolation effect; and through the design of the heat insulation sheath structure, the influence of boiler heat on the fuel in the fuel temporary storage tank is further reduced, and the safety is improved.
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Description

Technical Field

[0001] This utility model relates to the field of feeding mechanism technology, and in particular to a feeding mechanism for boiler fuel supply in rice processing. Background Technology

[0002] Boilers are sometimes used in rice processing. The fuel supply for boilers is usually done by feeding directly into the boiler. In some cases, a fuel storage tank is also installed above the boiler for timed feeding. When a fuel storage tank is installed, the heat and backfire during boiler operation can easily be transferred to the fuel storage tank above, affecting the fuel stored in the tank and posing a certain safety hazard. Utility Model Content

[0003] The purpose of this utility model is to provide a feeding mechanism for boiler fuel supply in rice processing, which has the advantages of avoiding the direct action of boiler heat on the fuel inside the fuel storage tank and reducing the impact of boiler heat on the fuel inside the fuel storage tank. It solves the technical problem that heat and backfire during boiler use can easily be transferred to the upper fuel storage tank, affecting the fuel stored in the fuel storage tank.

[0004] This utility model provides a feeding mechanism for fuel supply to a boiler used in rice processing, including a boiler.

[0005] A feed pipe is fixedly connected to the upper side of the boiler;

[0006] Fuel storage tank, located above the boiler;

[0007] The lower end of the fuel storage tank is fixedly connected to a discharge pipe, and the discharge pipe has a bent section in the middle.

[0008] The upper end of the feed pipe and the lower end of the discharge pipe are fixedly connected by a flange.

[0009] The upper end of the discharge pipe is equipped with a discharge valve structure;

[0010] The lower end of the fuel storage tank is equipped with a heat insulation sleeve structure, and the discharge pipe passes through the heat insulation sleeve structure.

[0011] As a further optimization, in order to make the fuel distribution in the boiler more uniform by designing two discharge pipes corresponding to two feed pipes, and at the same time improve the stability of the fuel storage tank installation, the number of feed pipes is two, and the two feed pipes are symmetrically fixed and connected to the left and right sides of the upper end of the boiler.

[0012] There are two discharge pipes, and the upper ends of the two discharge pipes are fixedly connected to the left and right sides of the bottom surface of the fuel storage tank.

[0013] The lower end of the discharge pipe is fixedly connected to the upper end of the feed pipe on the same side via a flange.

[0014] As a further optimization, in order to form a bend in the middle of the discharge pipe to act as an isolation layer and prevent the heat inside the boiler from directly acting on the fuel inside the fuel storage tank, the discharge pipe includes:

[0015] The upper end of the vertical pipe is fixedly connected to the bottom surface of the fuel storage tank, and the lower end of the vertical pipe is integrally formed with an inclined pipe.

[0016] The lower end of the inclined tube is inclined towards the middle of the upper end of the boiler, and the lower end of the inclined tube is fixedly connected to the upper end of the feed pipe on the same side through a flange.

[0017] As a further optimization, in order to provide thermal insulation protection for the lower end of the fuel storage tank and prevent boiler heat from being directly transferred to the fuel temporarily stored inside the fuel storage tank, the thermal insulation sleeve structure includes:

[0018] The mounting groove is located at the lower end of the fuel storage tank;

[0019] A heat-insulating cover is fastened into the mounting groove, and the heat-insulating cover covers the lower end and bottom surface of the outer wall of the fuel storage tank;

[0020] A fixed connection structure is fitted between the upper edge of the outer wall of the heat insulation cover and the outer edge of the mounting groove.

[0021] As a further optimization, to facilitate the installation and replacement of the heat insulation cover, the fixed connection structure includes:

[0022] The first annular plate is fixedly sleeved at the edge of the outer wall of the mounting groove;

[0023] The second annular plate is fixedly sleeved on the upper edge of the outer wall of the heat insulation cover;

[0024] Bolts and nuts are uniformly fixedly connected between the first annular plate and the second annular plate.

[0025] As a further optimization, in order to improve the heat insulation performance of the heat insulation sleeve structure, the outer wall of the heat insulation sleeve is coated with a heat insulation coating.

[0026] As a further optimization, in order to drive multiple blades to rotate and discharge material via a drive motor, after the drive motor is turned off, at least two outer ends of the blades are in contact with the upper end of the inner wall of the discharge pipe to seal the discharge pipe and act as a valve. The discharge valve structure includes:

[0027] The drive motor is fixedly mounted on the upper end of the discharge pipe, and the output end of the drive motor passes through the outer wall of the discharge pipe.

[0028] The output end of the drive motor is fixedly connected to a round rod, and blades are uniformly and circumferentially fixedly assembled on the outer wall of the round rod.

[0029] The number of blades is six, and at least two of the outer ends of the blades are in contact with the upper end of the inner wall of the discharge pipe.

[0030] As a further optimization, in order to temporarily store fuel and facilitate the downward supply of the temporarily stored raw materials, the fuel storage tank includes:

[0031] The tank body has a spiral feeding structure fixedly assembled in the middle of its top surface, and the lower end of the spiral feeding structure extends to the lower end of the inner cavity of the tank body.

[0032] A feeding pipe is fixedly connected to the side of the upper surface of the tank.

[0033] As a further optimization, in order to facilitate the feeding of fuel into the fuel storage tank, a screw feeder is also included, whose upper discharge end is fixedly connected to the feeding pipe through a flange.

[0034] As a further optimization, in order to guide the fuel temporarily stored inside the fuel storage tank to the discharge pipes on both sides by the conical block for easy discharge, a conical block is fixedly installed in the middle of the bottom surface of the inner cavity of the fuel storage tank, and the upper ends of the two discharge pipes are located at the left and right edges of the conical block.

[0035] This utility model provides an improved feeder for boiler fuel supply in rice processing, which has the following improvements and advantages compared with the prior art:

[0036] The device supplies fuel to the boiler through a fuel storage tank. A bend in the middle of the feed pipe acts as an insulator, preventing heat from the boiler from directly affecting the fuel inside the storage tank. A discharge valve further isolates the boiler's heat and controls whether fuel is discharged. This isolation effectively addresses boiler backfire issues. The design of the heat-insulating jacket further reduces the impact of boiler heat on the fuel inside the storage tank, improving safety. Attached Figure Description

[0037] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the structure of this utility model;

[0039] Figure 2 This is a schematic diagram of the internal structure of the discharge pipe and fuel storage tank of this utility model;

[0040] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0041] Figure 4 This is a schematic cross-sectional view of the discharge valve structure of this utility model;

[0042] Figure 5 This is a schematic diagram of the fuel storage tank structure of this utility model.

[0043] Explanation of reference numerals in the attached figures:

[0044] 1-Boiler, 2-Feed pipe, 3-Fuel storage tank, 31-Tank body, 32-Feeding pipe, 33-Spiral feeding structure, 4-Discharge pipe, 41-Vertical pipe, 42-Inclined pipe, 5-Discharge valve structure, 51-Drive motor, 52-Round rod, 53-Blade, 6-Insulation sleeve structure, 61-Mounting groove, 62-Insulation cover, 63-Fixed connection structure, 631-First annular plate, 632-Second annular plate, 633-Bolt, nut, 64-Insulation coating, 7-Spiral feeder, 8-Conical block. Detailed Implementation

[0045] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0046] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0047] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0048] Please see Figure 1-5 This utility model provides a technical solution: a feeding mechanism for fuel supply in a boiler used for rice processing, comprising a boiler 1.

[0049] A feed pipe 2 is fixedly connected to the upper side of boiler 1;

[0050] Fuel storage tank 3 is located above boiler 1;

[0051] The lower end of the fuel storage tank 3 is fixedly connected to the discharge pipe 4, and the discharge pipe 4 has a bent section in the middle.

[0052] The upper end of the feed pipe 2 is fixedly connected to the lower end of the discharge pipe 4 via a flange. The bend in the middle of the discharge pipe 4 here is sufficient to isolate the heat inside the boiler 1 from directly acting on the fuel inside the fuel storage tank 3.

[0053] The upper end of the discharge pipe 4 is equipped with a discharge valve structure 5, which further isolates the heat inside the boiler 1 and controls whether the discharge pipe 4 discharges material.

[0054] The design of the bend in the middle of the discharge pipe 4 and the structure of the discharge valve 5 can both prevent the backfire of the boiler 1.

[0055] The lower end of the fuel storage tank 3 is equipped with a heat insulation sleeve structure 6, and the discharge pipe 4 passes through the heat insulation sleeve structure 6. Through the design of the heat insulation sleeve structure 6, the impact of the heat of the boiler 1 on the fuel inside the fuel storage tank 3 is further reduced, thereby improving safety.

[0056] In some embodiments, in order to make the fuel distribution in the boiler 1 more uniform by designing two discharge pipes 4 corresponding to two feed pipes 2, and at the same time improve the stability of the fuel storage tank 3 installation, the number of feed pipes 2 is two, and the two feed pipes 2 are symmetrically fixed and connected to the left and right sides of the upper end of the boiler 1.

[0057] There are two discharge pipes 4, and the upper ends of the two discharge pipes 4 are fixedly connected to the left and right sides of the bottom surface of the fuel storage tank 3.

[0058] The lower end of the discharge pipe 4 is fixedly connected to the upper end of the feed pipe 2 on the same side via a flange. This connection can be detached, which facilitates the inspection and maintenance of the fuel storage tank 3.

[0059] In some embodiments, in order to form a bend in the middle of the discharge pipe 4 to serve as an isolation mechanism and prevent the heat inside the boiler 1 from directly acting on the fuel inside the fuel storage tank 3, the discharge pipe 4 includes:

[0060] The upper end of the vertical pipe 41 is fixedly connected to the bottom surface of the fuel storage tank 3, and the lower end of the vertical pipe 41 is integrally formed with an inclined pipe 42. The connection between the vertical pipe 41 and the inclined pipe 42 forms a bent section in the middle.

[0061] The lower end of the inclined tube 42 is inclined towards the middle of the upper end of the boiler 1, and the lower end of the inclined tube 42 is fixedly connected to the upper end of the feed pipe 2 on the same side through a flange.

[0062] In some embodiments, in order to provide thermal insulation protection for the lower end of the fuel storage tank 3 and prevent heat from the boiler 1 from being directly transferred to the fuel temporarily stored in the fuel storage tank 3, the thermal insulation sleeve structure 6 includes:

[0063] The mounting groove 61 is located at the lower end of the fuel storage tank 3;

[0064] The heat insulation cover 62 is fastened in the mounting groove 61 and covers the lower end and bottom of the outer wall of the fuel storage tank 3. The heat insulation cover 62 is made of heat insulation material, specifically one or more composites of glass fiber, polyurethane foam, and rock wool.

[0065] A fixed connection structure 63 is installed between the upper edge of the outer wall of the heat insulation cover 62 and the outer edge of the mounting groove 61.

[0066] In some embodiments, to facilitate the installation and replacement of the heat insulation cover 62, the fixed connection structure 63 includes:

[0067] The first annular plate 631 is fixedly sleeved at the edge of the outer wall of the mounting groove 61;

[0068] The second annular plate 632 is fixedly sleeved on the upper edge of the outer wall of the heat insulation cover 62;

[0069] Bolts and nuts 633 are evenly fixedly connected between the first annular plate 631 and the second annular plate 632. The removal of bolts and nuts 633 can realize the disassembly of the heat insulation cover 62, which is convenient for the inspection and maintenance of the heat insulation cover 62.

[0070] In some embodiments, in order to improve the thermal insulation performance of the thermal insulation sheath structure 6, the outer wall of the thermal insulation cover 62 is coated with a thermal insulation coating 64.

[0071] In some embodiments, in order to drive multiple blades 53 to rotate and discharge material via a drive motor 51, after the drive motor 51 is turned off, at least two outer ends of the blades 53 are attached to the upper end of the inner wall of the discharge pipe 4 to block the discharge pipe 4 and act as a valve. The discharge valve structure 5 includes:

[0072] The drive motor 51 is fixedly mounted on the upper end of the discharge pipe 4, and the output end of the drive motor 51 passes through the outer wall of the discharge pipe 4.

[0073] A round rod 52 is fixedly connected to the output end of the drive motor 51, and blades 53 are uniformly and circumferentially fixedly assembled on the outer wall of the round rod 52.

[0074] There are six blades 53. At least two blades 53 have their outer ends attached to the upper end of the inner wall of the discharge pipe 4. The drive motor 51 works to drive the round rod 52 and the blades 53 to rotate. The multiple rotating blades 53 can be used for material discharge. When the drive motor 51 stops working, at least two blades 53 have their outer ends attached to the upper end of the inner wall of the discharge pipe 4 to block the discharge pipe 4 and stop material discharge.

[0075] In some embodiments, for the purpose of temporarily storing fuel and facilitating the downward supply of the temporarily stored raw materials, the fuel storage tank 3 includes:

[0076] The tank body 31 has a spiral feeding structure 33 fixedly installed in the middle of its top surface, and the lower end of the spiral feeding structure 33 extends to the lower end of the inner cavity of the tank body 31. The spiral feeding structure 33 includes a servo motor fixed in the middle of the top surface of the tank body 31, and the lower end of the output of the servo motor passes through the top surface of the tank body 31 and is fixedly connected to a shaft. A spiral plate is fixedly sleeved on the outer wall of the shaft. The spiral plate is driven by the servo motor to rotate clockwise, driving the fuel stored inside the tank body 31 downward to promote the discharge of fuel.

[0077] A feeding pipe 32 is fixedly connected to the side of the upper surface of the tank body 31.

[0078] In some embodiments, in order to facilitate the feeding of fuel into the fuel storage tank 3, a screw feeder 7 is also included, the upper discharge end of which is fixedly connected to the feed pipe 32 via a flange.

[0079] In some embodiments, in order to guide the fuel temporarily stored inside the fuel storage tank 3 to the discharge pipes 4 on both sides by means of the conical block 8 for easy discharge, the conical block 8 is fixedly installed in the middle of the bottom surface of the inner cavity of the fuel storage tank 3, and the upper ends of the two discharge pipes 4 are located at the left and right edges of the conical block 8.

[0080] Working principle:

[0081] The device temporarily stores fuel for boiler 1 in fuel storage tank 3 and supplies fuel to boiler 1 through fuel storage tank 3. The discharge pipe 4 has a bend in the middle to isolate the fuel and prevent the heat inside boiler 1 from directly affecting the fuel inside fuel storage tank 3. A discharge valve structure 5 is also provided on discharge pipe 4 to further isolate the heat inside boiler 1. The discharge valve structure 5 controls whether or not fuel is discharged from discharge pipe 4. The above isolation effect can also effectively deal with the backfire problem of boiler 1. The design of heat insulation sleeve structure 6 further reduces the impact of heat from boiler 1 on the fuel inside fuel storage tank 3 and improves safety.

[0082] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A feeding mechanism for supplying fuel to a boiler for rice processing, comprising a boiler (1), characterized in that; The upper side of the boiler (1) is fixedly connected to a feed pipe (2); Fuel storage tank (3) is located above boiler (1); The fuel storage tank (3) is fixedly connected to a discharge pipe (4) at its lower end, and the discharge pipe (4) has a bent section in the middle. The upper end of the feed pipe (2) is fixedly connected to the lower end of the discharge pipe (4) through a flange; The upper end of the discharge pipe (4) is equipped with a discharge valve structure (5); The fuel storage tank (3) is equipped with a heat insulation sleeve structure (6) at its lower end, and the discharge pipe (4) passes through the heat insulation sleeve structure (6).

2. The feeding mechanism for boiler fuel supply in rice processing according to claim 1, characterized in that, There are two feed pipes (2), and the two feed pipes (2) are symmetrically fixed and connected to the left and right sides of the upper end of the boiler (1); The number of discharge pipes (4) is two, and the upper ends of the two discharge pipes (4) are fixedly connected to the left and right sides of the bottom surface of the fuel storage tank (3); The lower end of the discharge pipe (4) is fixedly connected to the upper end of the feed pipe (2) on the same side through a flange.

3. The feeding mechanism for boiler fuel supply in rice processing according to claim 2, characterized in that, The discharge pipe (4) includes: The upper end of the vertical pipe (41) is fixedly connected to the bottom surface of the fuel storage tank (3), and the lower end of the vertical pipe (41) is integrally formed with an inclined pipe (42); The lower end of the inclined tube (42) is inclined towards the middle of the upper end of the boiler (1), and the lower end of the inclined tube (42) is fixedly connected to the upper end of the feed pipe (2) on the same side through a flange.

4. The feeding mechanism for boiler fuel supply in rice processing according to claim 1, characterized in that, The heat insulation sheath structure (6) includes: An installation groove (61) is provided at the lower end of the fuel storage tank (3); A heat insulation cover (62) is fastened into the mounting groove (61), and the heat insulation cover (62) covers the lower end and bottom surface of the outer wall of the fuel storage tank (3); A fixed connection structure (63) is fitted between the upper edge of the outer wall of the heat insulation cover (62) and the outer edge of the mounting groove (61).

5. The feeding mechanism for boiler fuel supply in rice processing according to claim 4, characterized in that, The fixed connection structure (63) includes: The first annular plate (631) is fixedly sleeved at the edge of the outer wall of the mounting groove (61); The second annular plate (632) is fixedly sleeved on the upper edge of the outer wall of the heat insulation cover (62); Bolts and nuts (633) are uniformly fixedly connected between the first annular plate (631) and the second annular plate (632).

6. The feeding mechanism for boiler fuel supply in rice processing according to claim 4, characterized in that, The outer wall of the heat insulation cover (62) is coated with a heat insulation coating (64).

7. The feeding mechanism for boiler fuel supply in rice processing according to claim 1, characterized in that, The discharge valve structure (5) includes: The drive motor (51) is fixedly mounted on the upper end of the discharge pipe (4), and the output end of the drive motor (51) passes through the outer wall of the discharge pipe (4). The output end of the drive motor (51) is fixedly connected to a round rod (52), and blades (53) are uniformly and circumferentially fixedly assembled on the outer wall of the round rod (52). The number of blades (53) is six, and at least two of the blades (53) have their outer ends attached to the upper end of the inner wall of the discharge pipe (4).

8. The feeding mechanism for boiler fuel supply in rice processing according to claim 1, characterized in that, The fuel storage tank (3) includes: The tank (31) has a spiral feeding structure (33) fixedly assembled in the middle of its top surface, and the lower end of the spiral feeding structure (33) extends to the lower end of the inner cavity of the tank (31). A feeding pipe (32) is fixedly connected to the side of the upper surface of the tank (31).

9. The feeding mechanism for boiler fuel supply in rice processing according to claim 8, characterized in that, It also includes a screw feeder (7), whose upper discharge end is fixedly connected to the feed pipe (32) through a flange.

10. The feeding mechanism for boiler fuel supply in rice processing according to claim 2, characterized in that, A conical block (8) is fixedly mounted in the middle of the bottom surface of the inner cavity of the fuel storage tank (3), and the upper ends of the two discharge pipes (4) are located at the left and right edges of the conical block (8).