Accurate fuel feeding device

By designing the feed pipe and guide system in the fuel feeding device, the problem of stacking between the screw conveying device and the feeding port structure is solved, smooth fuel delivery and precise feeding are achieved, and cement production efficiency is improved.

CN222297977UActive Publication Date: 2025-01-03HONGSHI HLDG GRP CO LTD
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Patent Information

Application Number
CN202420439289.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-07
Publication Date
2025-01-03
Estimated Expiration
2034-03-07

AI Technical Summary

Technical Problem

The existing fuel feeding devices are prone to fuel accumulation or blockage at the docking points of the screw conveying device and the feed port structure, resulting in a reduction in fuel feeding working efficiency and affecting cement production efficiency.

Method used

A fuel precision feeding device was designed. By installing a feed pipe above the spiral chamber, and using structures such as connecting pipes, guide pipes, telescopic pipes and buffer small chambers, a guide system is formed to avoid fuel accumulation in the inlet structure. , ensure smooth fuel delivery.

Benefits of technology

It effectively avoids fuel accumulation and blockage, improves the accuracy and efficiency of fuel feeding, and improves the normal operation of cement production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cement production equipment, and discloses an accurate fuel feeding device which comprises a supporting frame, a machine groove is fixedly installed above the supporting frame, a spiral bin is fixedly installed at one end of the machine groove, a feeding pipe is fixedly installed above the spiral bin, a connecting pipe is fixedly installed above the feeding pipe, and a discharging pipe is fixedly installed above the connecting pipe. A guide pipe is fixedly mounted above the connecting pipe, a telescopic pipe is fixedly mounted above the guide pipe, a small buffer bin is fixedly mounted above the telescopic pipe, a guide hopper is fixedly mounted above the inner wall of the small buffer bin, a shell is fixedly mounted on the outer surface of the small buffer bin, and a cover plate is fixedly mounted above the shell; and a feeding hole is fixedly formed in the upper part of the cover plate in a penetrating manner. According to the novel feeding port structure, the situation that a large amount of fuel is accumulated or blocked in the feeding port structure is avoided, the spiral conveying device and the feeding port butt joint point structure can be conveniently added, fuel feeding work use is improved, and normal cement production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement production equipment, in particular to a fuel precision feeding device. Background Art

[0002] In the past two years, with the rise in coal prices, cement companies have been under great pressure in production costs. Especially under the requirements of the dual carbon goals, the cement industry is about to be included in the carbon trading system, which has gradually increased the impact on the cost of enterprises. The use of alternative fuels is the general trend. Alternative fuels, also known as secondary fuels and auxiliary fuels, use combustible waste as cement kiln clinker production to replace natural fossil fuels. The use of combustible waste in the cement industry can not only save primary energy, but also help protect the environment, with significant economic, environmental and social benefits.

[0003] The existing Chinese utility model patent with reference announcement number: CN217910238U discloses a precise and efficient feeding device. The utility model includes a vertical mixing tank, at least one main material storage tank and at least one screw conveying device; the main material storage tank is connected to the main material feed port of the vertical mixing tank through an inclined main material conveying pipeline; the main material conveying pipeline is provided with a first control valve; the screw conveying device is used to convey auxiliary materials to the vertical mixing tank; the vertical mixing tank is provided with a mixing and stirring device. The feeding device provided by the utility model improves the method of directly mixing in a mixing tank and then feeding. The utility model provides the main material from the main material storage tank and the auxiliary material from the screw conveying device according to the amount of raw materials used. The screw conveying device can realize the characteristic of precise feeding by controlling the number of rotations, thereby improving the feeding accuracy of the auxiliary materials; and the auxiliary material feeding amount can be flexibly adjusted according to the feeding amount of the main material, thereby ensuring the accuracy of the proportioning.

[0004] In cement production, fuel needs to be fed into the processing equipment for use. Although the existing feeding device solves the problem of accurate feeding, a screw conveying device is used to transport the fuel into the processing equipment. The fuel is added into the screw conveying device through the feed port. However, the connection method of the screw conveying device and the feed port structure docking point is single, which leads to fuel accumulation or blockage during the process of adding a large amount of fuel, resulting in reduced fuel feeding work and affecting the normal production efficiency of cement. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a precise fuel feeding device, which has the advantages of facilitating the addition of a structure between a spiral conveying device and a feed port, improving the working efficiency of fuel feeding, and improving cement production efficiency, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the fuel precision feeding device comprises a support frame for supporting use, a machine trough for fuel transportation is fixedly installed above the support frame, a spiral bin for fuel addition is fixedly installed at one end of the machine trough, a feeding pipe for feeding is fixedly installed above the spiral bin, a connecting pipe for connecting and installing is fixedly installed above the feeding pipe, a guide pipe for fuel guiding is fixedly installed above the connecting pipe, a telescopic pipe for cooperating with transportation is fixedly installed above the guide pipe, a buffer bin for buffering is fixedly installed above the telescopic pipe, a guide bucket for connecting and cooperating is fixedly installed above the inner wall of the buffer bin, an outer shell for protecting the feeding structure inside is fixedly installed on the outer surface of the buffer bin, a cover plate is fixedly installed above the outer shell, and a feeding port for fuel feeding is fixedly installed through the cover plate above.

[0009] As a preferred technical solution of the utility model, a base is fixedly installed on one upper end of the support frame, an opening is fixedly installed through the other end of the support frame, and a guide frame is fixedly installed on the inner wall of the opening; the base is used to support the reducer.

[0010] As the preferred technical solution of the utility model, baffles are fixedly installed at both ends of the machine slot, a reducer is fixedly installed on one side of the baffle, and a motor is fixedly installed above the reducer; the baffle at one end of the machine slot is installed with the reducer for use.

[0011] As the preferred technical solution of the utility model, a spiral bearing is movably installed on the inner wall of the machine groove, a spiral blade is movably installed on the outer surface of the spiral bearing, and a discharge pipe is fixedly installed through one end of the machine groove; the discharge pipe is used to discharge fuel from the spiral conveying device for use.

[0012] As the preferred technical solution of the utility model, the outer surface of the discharge pipe is fixedly penetrated through the inner wall of the guide frame, and a decomposition furnace is fixedly installed below the discharge pipe; the discharge pipe is correspondingly installed above the decomposition furnace to facilitate the addition of fuel into the decomposition furnace.

[0013] As the preferred technical solution of the utility model, a sealing sleeve is fixedly installed on the outer surface of the feed pipe, an inner pipe is fixedly installed below one end of the feed pipe, movable rods are fixedly installed on both sides below the buffer bin, and fixed rods are movably installed below the movable rods; the fixed rods are fixedly connected to the bottom of the inner surface of the outer shell below.

[0014] As a preferred technical solution of the utility model, the sealing sleeve is fixedly installed above the spiral bin, and the inner pipe is fixedly passed through the upper part of the inner wall of the spiral bin; the inner pipe adds fuel into the spiral bin for transportation.

[0015] Compared with the prior art, the utility model provides a fuel accurate feeding device, which has the following

[0016] Beneficial effects:

[0017] The utility model installs a feed pipe above the spiral bin, fixes the feed pipe above the connection pipe, connects the connection pipe above the guide pipe, connects the guide pipe above the telescopic pipe, connects the telescopic pipe above the buffer bin, and installs a guide bucket structure on the inner wall of the buffer bin, so that the buffer bin, the telescopic pipe, the guide pipe and the connection pipe are all installed on the inner wall of the shell, the shell is connected to the cover plate, and the cover plate is connected to the feed port. Cement processing fuel is added into the spiral conveying device through the feed port, and then installed and used through the buffer bin, so that the fuel is gradually conveyed to the feed pipe below, so that a large amount of fuel is avoided from being accumulated or blocked in the feed port structure, and the structure of the docking point between the spiral conveying device and the feed port is increased, so as to improve the use of fuel feeding work and improve the normal production efficiency of cement. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the support frame of the utility model;

[0020] Figure 3 This is a schematic diagram of the machine slot of the utility model;

[0021] Figure 4 This is a schematic diagram of the feed pipe of the utility model;

[0022] Figure 5 It is a schematic diagram of the interior of the shell of the utility model.

[0023] Among them: 1. Support frame; 11. Base; 12. Opening; 13. Guide frame; 2. Machine slot; 21. Spiral bin; 22. Baffle; 23. Reducer; 24. Motor; 25. Spiral bearing; 26. Spiral blade; 27. Discharge pipe; 3. Feed pipe; 31. Sealing sleeve; 32. Internal pipe; 33. Connecting pipe; 34. Guide pipe; 35. Telescopic pipe; 36. Buffer bin; 37. Guide bucket; 38. Movable rod; 39. Fixed rod; 310. Outer shell; 311. Cover plate; 312. Feed port; 4. Decomposition furnace. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0025] In the description of the present invention, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] Combined with Figure 1-Figure 5 In the present embodiment, the precise fuel feeding device comprises a support frame 1, a machine trough 2 is fixedly installed above the support frame 1, a spiral bin 21 is fixedly installed at one end of the machine trough 2, a feed pipe 3 is fixedly installed above the spiral bin 21, a connecting pipe 33 is fixedly installed above the feed pipe 3, a guide pipe 34 is fixedly installed above the connecting pipe 33, a telescopic pipe 35 is fixedly installed above the guide pipe 34, a buffer bin 36 is fixedly installed above the telescopic pipe 35, a guide bucket 37 is fixedly installed above the inner wall of the buffer bin 36, a shell 310 is fixedly installed on the outer surface of the buffer bin 36, a cover plate 311 is fixedly installed above the shell 310, and a feed port 312 is fixedly installed through the cover plate 311.

[0028] Specifically, a machine trough 2 is installed on the top of the support frame 1, and the machine trough 2 is used for transporting fuel for cement processing, which is convenient for increasing the use of fuel transportation work. A spiral bin 21 is installed at one end of the machine trough 2, and the top of the spiral bin 21 is connected to the feed pipe 3, and the top of the feed pipe 3 is fixedly connected to the connecting pipe 33, the connecting pipe 33 is connected to the guide pipe 34, the guide pipe 34 is connected to the telescopic pipe 35, and the top of the telescopic pipe 35 is connected to the buffer bin 36. The buffer bin 36 is convenient for buffering the fuel to a certain extent, avoiding a large amount of fuel from being added to the spiral bin 21, and avoiding fuel accumulation or blockage when the spiral conveying device structure is fed, which is convenient for improving the use of fuel feeding. The use of the spiral conveying device structure for fuel feeding is convenient to increase the accuracy of fuel feeding and improve the use of the fuel precision feeding device.

[0029] A base 11 is fixedly mounted on one upper end of the support frame 1 , an opening 12 is fixedly mounted through the other end of the support frame 1 , and a guide frame 13 is fixedly mounted on the inner wall of the opening 12 .

[0030] Baffles 22 are fixedly installed at both ends of the machine slot 2, a reducer 23 is fixedly installed on one side of the baffle 22, and a motor 24 is fixedly installed above the reducer 23.

[0031] A spiral bearing 25 is movably mounted on the inner wall of the machine slot 2 , a spiral blade 26 is movably mounted on the outer surface of the spiral bearing 25 , and a discharge pipe 27 is fixedly mounted and penetrated at one end of the machine slot 2 .

[0032] The outer surface of the discharge pipe 27 is fixedly penetrated through the inner wall of the guide frame 13 , and the decomposition furnace 4 is fixedly installed below the discharge pipe 27 .

[0033] Specifically, baffles 22 are installed at both ends of the machine slot 2, so that a reducer 23 is installed on one side of the baffle 22 at one end, and the reducer 23 is connected to the upper motor 24 for use in conjunction with each other. At the same time, the reducer 23 is connected to the spiral bearing 25 to facilitate driving the spiral bearing 25 to rotate, so that the spiral blades 26 on the outer surface of the spiral bearing 25 are used in conjunction with each other, which is convenient for feeding the fuel into the decomposition furnace 4 below for processing and use.

[0034] A sealing sleeve 31 is fixedly installed on the outer surface of the feed pipe 3, an inner pipe 32 is fixedly installed below one end of the feed pipe 3, movable rods 38 are fixedly installed on both sides below the buffer bin 36, and a fixed rod 39 is movably installed below the movable rod 38.

[0035] The sealing sleeve 31 is fixedly installed above the spiral bin 21 , and the inner pipe 32 is fixedly penetrated above the inner wall of the spiral bin 21 .

[0036] Specifically, the outer surface of the feed pipe 3 is provided with a sealing sleeve 31, and the sealing sleeve 31 is correspondingly connected to the outer surface of the spiral bin 21, so that the sealing sleeve 31 increases the sealing performance of the connection between the feed pipe 3 and the spiral bin 21, facilitates the use of fuel feeding, and increases the coordination effect between the structures of the fuel precision feeding device.

[0037] Working principle: First, the fuel for cement production and processing is added into the guide bucket 37 through the feed port 312. The guide bucket 37 is installed in the buffer bin 36. The fuel enters the buffer bin 36, and the guide bucket 37 passes through the buffer bin 36 and is connected to the upper end of the telescopic tube 35. The internal usable area of ​​the buffer bin 36 is larger than the telescopic tube 35. When the fuel is transported into the telescopic tube 35, part of the fuel is stored in the buffer bin 36, so that the fuel is gradually transported to the lower guide pipe 34 and the connecting pipe 33 through the telescopic tube 35. The connecting pipe 33 is connected to the feed pipe 3, and the lower end of the feed pipe 3 is connected to the inner pipe 32. The lower end of the inner pipe 32 passes through the upper inner wall of the spiral bin 21, so that the fuel is added to the spiral bin 21. Inside, the spiral bin 21 is installed at one end of the machine groove 2, and the two ends of the machine groove 2 are connected to the baffle 22, so that a reducer 23 is installed on one side of the baffle 22 at one end, and the reducer 23 is connected to the motor 24. The motor 24 is connected to the spiral bearing 25 through the reducer 23. The motor 24 is turned on to rotate the spiral bearing 25. The reducer 23 controls the rotation speed of the spiral bearing 25, which is convenient for controlling and using according to fuel transportation, reducing the use cost of the spiral transportation structure, and the spiral bearing 25 rotates with the spiral blades 26 on the outer surface. The spiral blades 26 transport the fuel to the discharge pipe 27 below, and the discharge pipe 27 feeds the fuel into the decomposition furnace 4, so that the cement fuel can be processed and used, and the use of the fuel precision feeding device is convenient.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fuel precision feeding device, comprising a support frame (1), characterized in that: A machine trough (2) is fixedly mounted above the support frame (1), a spiral bin (21) is fixedly mounted at one end of the machine trough (2), a feed pipe (3) is fixedly mounted above the spiral bin (21), a connecting pipe (33) is fixedly mounted above the feed pipe (3), a guide pipe (34) is fixedly mounted above the connecting pipe (33), a telescopic pipe (35) is fixedly mounted above the guide pipe (34), a buffer bin (36) is fixedly mounted above the telescopic pipe (35), a guide bucket (37) is fixedly mounted above the inner wall of the buffer bin (36), a shell (310) is fixedly mounted on the outer surface of the buffer bin (36), a cover plate (311) is fixedly mounted above the shell (310), and a feed port (312) is fixedly mounted through the cover plate (311).

2. A fuel accurate feeding device according to claim 1, characterized in that: A base (11) is fixedly mounted on one upper end of the support frame (1), an opening (12) is fixedly mounted through the other end of the support frame (1), and a guide frame (13) is fixedly mounted on the inner wall of the opening (12).

3. A fuel accurate feeding device according to claim 1, characterized in that: Baffles (22) are fixedly mounted on both ends of the machine slot (2), a reducer (23) is fixedly mounted on one side of the baffle (22), and a motor (24) is fixedly mounted above the reducer (23).

4. A fuel accurate feeding device according to claim 1, characterized in that: A spiral bearing (25) is movably mounted on the inner wall of the machine groove (2), a spiral blade (26) is movably mounted on the outer surface of the spiral bearing (25), and a discharge pipe (27) is fixedly mounted and penetrated through one end of the machine groove (2).

5. A fuel accurate feeding device according to claim 4, characterized in that: The outer surface of the discharge pipe (27) is fixedly penetrated through the inner wall of the guide frame (13), and a decomposition furnace (4) is fixedly installed below the discharge pipe (27).

6. A fuel accurate feeding device according to claim 1, characterized in that: A sealing sleeve (31) is fixedly installed on the outer surface of the feed pipe (3), an inner pipe (32) is fixedly installed below one end of the feed pipe (3), movable rods (38) are fixedly installed on both sides below the buffer bin (36), and a fixed rod (39) is movably installed below the movable rod (38).

7. A fuel accurate feeding device according to claim 6, characterized in that: The sealing sleeve (31) is fixedly mounted above the spiral bin (21), and the inner pipe (32) is fixedly passed through the inner wall of the spiral bin (21).