Drum-type dryer for wood chippings made of biomass particles

By introducing a stirring mechanism and a detection mechanism into the drum dryer, the problems of uneven heat transfer and difficulty in humidity detection are solved, and uniform drying and optimal drying of wood debris are achieved.

CN222783860UActive Publication Date: 2025-04-22SHANDONG JINGSEN WOOD IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421428529.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-04-22
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

When used, existing drum dryers are difficult to transfer heat and detect humidity evenly, resulting in uneven temperature distribution of wood debris during drying, and some overheating or undrying may occur.

Method used

A drum dryer for wood debris made of biomass pellets was designed, equipped with a mixing mechanism and a testing mechanism. The stirring mechanism rotates through two sets of stirring rollers while performing circular motions to ensure uniform heat transfer; the detection mechanism uses a humidity detector and a wiping sponge to detect and maintain the humidity in the drum dryer.

Benefits of technology

By evenly transferring heat, maintaining a constant temperature distribution, preventing wood debris from overheating or not drying; by real-time detection and maintenance of humidity, ensure optimal drying effect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222783860U_ABST
    Figure CN222783860U_ABST
Patent Text Reader

Abstract

The utility model discloses a drum-type dryer for wood chippings made of biomass particles, which relates to the related field of biomass particle manufacturing and comprises a drum-type dryer, a feed inlet, a stirring mechanism and a detection mechanism, the feed inlet is fixedly connected to the center of the top of the drum-type dryer, and the stirring mechanism is fixedly connected to the feed inlet. A stirring mechanism is fixedly connected to the left rear end of the drum-type dryer, a detection mechanism is fixedly connected to the front end of the top of the drum-type dryer, the stirring mechanism is arranged, and two sets of stirring rollers rotate while performing circular motion, so that heat is uniformly transferred into wood chippings, and constant temperature distribution is kept; and the phenomenon that part of wood chippings are overheated or not dried is prevented.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the relevant field of biomass particle manufacturing, in particular to a drum type drying machine for wood chips in biomass particle manufacturing. Background Art

[0002] The drum dryer for wood chips for biomass pellet manufacturing is a special processing and drying equipment, mainly used to convert wood chips into combustible biomass pellets. This equipment usually consists of one or more drums, each of which can accommodate wood chips and other auxiliary materials such as clay, limestone, etc.

[0003] When the existing drum dryer is in use, it is difficult to transfer heat to the wood chips evenly, which may make it difficult for the wood chips to maintain a constant temperature distribution during the entire drying process, resulting in some wood chips being overheated or not dried; when the existing drum dryer is in use, it is difficult to detect the humidity in the drum dryer, which may result in the humidity being too high or too low, affecting the drying effect. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a drum dryer for wood chips made from biomass particles.

[0005] The utility model is implemented in this way, constructing a drum dryer for wood chips made of biomass particles, the device comprises a drum dryer, a feed port is fixedly connected at the center of the top of the drum dryer, a stirring mechanism is fixedly connected at the left rear end of the drum dryer, and a detection mechanism is fixedly connected at the front end of the top of the drum dryer;

[0006] The stirring mechanism includes a first cylinder, and the left rear end of the drum dryer is fixedly connected to the first cylinder; a speed regulating valve, and the left and right ends of the top of the first cylinder are fixedly connected to the speed regulating valve; a gear tooth plate member, and the pushing rod at the right end of the first cylinder is fixedly connected to the gear tooth plate member; a sleeve, and the front end of the gear inside the gear tooth plate member is fixedly connected to the rotating rod inside the sleeve; the first gear, and the outer cylinder of the sleeve is fixedly connected to the center of the first gear; a fixed block, and the front end of the rotating rod inside the sleeve is fixedly connected to the fixed block; a fixed rod, and the left and right ends of the fixed block are fixedly connected to the fixed rod; a connecting ring, and the left end of the fixed rod at the left end of the fixed block is fixedly connected to the connecting ring.

[0007] Preferably, the stirring mechanism further comprises a second gear, with the second gears meshing at both left and right ends of the first gear; and a stirring roller, with the stirring roller fixedly connected to the front end of the second gear.

[0008] Preferably, the detection mechanism includes a second cylinder, to which the second cylinder is fixedly connected to the top front end of the drum dryer; a first electromagnetic block, to which the push rod at the bottom of the second cylinder is fixedly connected; a second electromagnetic block, to which the second electromagnetic block is magnetically adsorbed at the bottom of the first electromagnetic block; a humidity detector, to which the humidity detector is fixedly connected to the bottom of the second electromagnetic block; and a mounting shell, to which the mounting shell is fixedly connected to the top front end inside the drum dryer.

[0009] Preferably, the detection mechanism further comprises a hole, and the bottom of the mounting shell is provided with a hole; and a wiping sponge, and the wiping sponge is adhesively connected to the hole.

[0010] Preferably, the inner gear of the gear tooth plate member is rotationally connected to the inner rear end of the drum dryer, and the inner gear plate of the gear tooth plate member is slidingly connected to the inner rear end of the drum dryer.

[0011] Preferably, the front end of the stirring roller is slidably connected to the front end of the drum type dryer, and the stirring roller passes through the connecting ring and is rotatably connected to the inside thereof.

[0012] Preferably, the second cylinder passes through the top of the mounting shell and is slidably connected to the inside thereof, the first electromagnetic block and the second electromagnetic block are both electrically connected to an external current output device, and the humidity detector is electrically connected to an external display screen.

[0013] The utility model has the following advantages: The utility model provides a drum dryer for wood chips made from biomass particles through improvement, which has the following improvements compared with similar equipment:

[0014] The utility model discloses a drum dryer for wood chips made from biomass particles, which is provided with a stirring mechanism. Two sets of stirring rollers rotate while performing circular motions, so that heat is evenly transferred to the wood chips, a constant temperature distribution is maintained, and the phenomenon of overheating or undrying of some wood chips is prevented.

[0015] The utility model discloses a drum dryer for wood chips made from biomass particles. The detection mechanism is provided. The humidity in the drum dryer is detected by a humidity detector to prevent the humidity in the drum dryer from being too high or too low, thereby affecting the drying effect. The humidity detector sensor head is then wiped with a wiping sponge to prevent the wood chips from sticking to the outer wall of the humidity detector sensor head, thereby affecting the subsequent detection results. Finally, the humidity detector is disassembled and replaced by a first electromagnetic block and a second electromagnetic block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the utility model drum type drying machine;

[0017] Figure 2This is a three-dimensional structural diagram of the stirring mechanism of the utility model;

[0018] Figure 3 It is a three-dimensional structural diagram of the detection mechanism of the utility model;

[0019] Figure 4 This utility model Figure 3 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 5 This utility model Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0021] Among them: drum dryer-1, feed port-2, stirring mechanism-3, first cylinder-31, speed regulating valve-32, gear tooth plate-33, sleeve-34, first gear-35, fixing block-36, fixing rod-37, connecting ring-38, second gear-39, stirring roller-310, detection mechanism-4, second cylinder-41, first electromagnetic block-42, second electromagnetic block-43, humidity detector-44, mounting shell-45, hole-46, wiping sponge-47. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 to Figure 5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0023] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] Embodiment 1:

[0026] See also Figure 1-2 The utility model discloses a drum dryer for wood chips made from biomass particles, comprising a drum dryer 1, a feed port 2 is fixedly connected to the center of the top of the drum dryer 1, a stirring mechanism 3 is fixedly connected to the left rear end of the drum dryer 1, and a detection mechanism 4 is fixedly connected to the front end of the top of the drum dryer 1;

[0027] The stirring mechanism 3 includes a first cylinder 31 , which is fixedly connected to the left rear end of the drum dryer 1 , and speed regulating valves 32 are fixedly connected to the left and right ends of the top of the first cylinder 31 , which are convenient for controlling the moving speed of the first cylinder 31 .

[0028] The push rod at the right end of the first cylinder 31 is fixedly connected with a gear tooth plate part 33, and the front end of the gear inside the gear tooth plate part 33 is fixedly connected with the rotating rod inside the sleeve 34, so that the gear tooth plate part 33 can drive the sleeve 34 to rotate.

[0029] The outer cylinder of the sleeve 34 is fixedly connected to the center of the first gear 35, and the front end of the rotating rod inside the sleeve 34 is fixedly connected to a fixed block 36. The left and right ends of the fixed block 36 are fixedly connected to fixed rods 37. The fixed rod 37 is convenient for driving the connecting ring 38 to make a circular motion. A connecting rod is provided at the top of the outer cylinder of the sleeve 34, and the connecting rod is fixedly connected to the top of the drum dryer 1.

[0030] The left end of the fixing rod 37 at the left end of the fixing block 36 is fixedly connected with a connecting ring 38 , and the left and right ends of the first gear 35 are meshed with second gears 39 , and the second gear 39 is convenient for driving the stirring roller 310 to rotate.

[0031] The front end of the second gear 39 is fixedly connected to a stirring roller 310, the inner gear of the gear tooth plate part 33 is rotationally connected to the rear end of the drum dryer 1, the inner gear plate of the gear tooth plate part 33 is slidingly connected to the rear end of the drum dryer 1, the front end of the stirring roller 310 is slidingly connected to the front end of the drum dryer 1, and the stirring roller 310 passes through the connecting ring 38 and is rotationally connected to its interior.

[0032] The working principle of the drum dryer for wood chips made from biomass particles based on Example 1 is:

[0033] When uniform heat transfer is required, the first cylinder 31 is started, and the moving speed of the first cylinder 31 is adjusted by two sets of speed regulating valves 32, so that the first cylinder 31 drives the inner toothed plate of the gear toothed plate member 33 to move left and right, the toothed plate drives the inner gear of the gear toothed plate member 33 to rotate, the inner gear of the gear toothed plate member 33 drives the rotating rod in the sleeve 34 to rotate, the rotating rod in the sleeve 34 drives the fixing block 36 to rotate, the fixing block 36 drives the two sets of fixing rods 37 to make circular motion, and the two sets of fixing rods 37 drive the two sets of connecting rings 38 to make circular motion. The two sets of connecting rings 38 drive the two sets of stirring rollers 310 to make circular motions, and the two sets of stirring rollers 310 drive the two sets of second gears 39 to make meshing circular motions on the outer wall of the first gear 35 when making circular motions, so that the two sets of second gears 39 rotate, and the two sets of second gears 39 drive the two sets of stirring rollers 310 to rotate, so that the stirring rollers 310 rotate while making circular motions, thereby evenly transferring heat to the wood chips, maintaining a constant temperature distribution, and preventing some wood chips from being overheated or not dried.

[0034] Embodiment 2:

[0035] See also Figure 3 to Figure 5 Compared with the first embodiment, the present invention further includes a detection mechanism 4, which includes a second cylinder 41. The front end of the top of the drum dryer 1 is fixedly connected to the second cylinder 41, and the push rod at the bottom of the second cylinder 41 is fixedly connected to the first electromagnetic block 42. The bottom of the first electromagnetic block 42 is magnetically adsorbed with the second electromagnetic block 43. The first electromagnetic block 42 and the second electromagnetic block 43 facilitate the disassembly and replacement of the humidity detector 44.

[0036] A humidity detector 44 is fixedly connected to the bottom of the second electromagnetic block 43 , and a mounting shell 45 is fixedly connected to the front end of the top of the drum dryer 1 . A hole 46 is provided at the bottom of the mounting shell 45 , so that the humidity detector 44 can detect the humidity in the drum dryer 1 .

[0037] A wiping sponge 47 is adhesively connected in the hole 46 , and the second cylinder 41 passes through the top of the mounting shell 45 and is slidably connected to the inside thereof. The wiping sponge 47 is convenient for wiping the sensor head of the humidity detector 44 .

[0038] The first electromagnetic block 42 and the second electromagnetic block 43 are both electrically connected to an external current output device, and the humidity detector 44 is electrically connected to an external display screen.

[0039] In this embodiment:

[0040] When the humidity in the drum dryer 1 needs to be detected, the second cylinder 41 is started. The second cylinder 41 drives the humidity detector 44 to move downward through the magnetic adsorption of the first electromagnetic block 42 and the second electromagnetic block 43, so that the sensor head of the humidity detector 44 moves into the drum dryer 1 through the hole 46, thereby detecting the humidity in the drum dryer 1 and transmitting the detection result to the external display screen to prevent the humidity in the drum dryer 1 from being too high or too low, thereby affecting the drying effect. When the humidity detector 44 is not needed, the second cylinder 41 is started. Repeat the above steps so that the second cylinder 41 drives the sensor head of the humidity detector 44 to move upward, and the wiping sponge 47 in the hole 46 is moved to wipe the sensor head of the humidity detector 44 to prevent wood debris from sticking to the outer wall of the sensor head of the humidity detector 44 and affecting the subsequent detection results. When the humidity detector 44 needs to be disassembled and replaced, the first electromagnetic block 42 and the second electromagnetic block 43 are stopped from working through the external current output device, so that the first electromagnetic block 42 and the second electromagnetic block 43 are separated, and then the humidity detector 44 is disassembled and replaced.

[0041] The utility model provides a drum dryer for wood chips made of biomass particles through improvement, wherein a stirring mechanism 3 is provided, and two groups of stirring rollers 310 are rotated while performing circular motion, so that heat is evenly transferred to the wood chips, and a constant temperature distribution is maintained to prevent the phenomenon that some wood chips are overheated or not dried; a detection mechanism 4 is provided, and a humidity detector 44 is used to detect the humidity in the drum dryer 1 to prevent the humidity in the drum dryer 1 from being too high or too low, thereby affecting the drying effect; a wiping sponge 47 is used to wipe the sensor head of the humidity detector 44 to prevent the wood chips from sticking to the outer wall of the sensor head of the humidity detector 44, thereby affecting the later detection results; and finally, the humidity detector 44 is disassembled and replaced by the first electromagnetic block 42 and the second electromagnetic block 43.

[0042] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0043] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drum dryer for wood chips for manufacturing biomass particles, comprising a drum dryer (1), a feed port (2) fixedly connected at the center of the top of the drum dryer (1), a stirring mechanism (3) fixedly connected at the left rear end of the drum dryer (1), and a detection mechanism (4) fixedly connected at the front end of the top of the drum dryer (1); Features: The stirring mechanism (3) comprises: a first cylinder (31), the left rear end of the drum dryer (1) being fixedly connected to the first cylinder (31); a speed regulating valve (32), the left and right ends of the top of the first cylinder (31) being fixedly connected to the speed regulating valve (32); a gear tooth plate member (33), the pushing rod at the right end of the first cylinder (31) being fixedly connected to the gear tooth plate member (33); and a sleeve (34), the front end of the inner gear of the gear tooth plate member (33) and the sleeve (34) being connected to the front end of the inner gear of the sleeve (34). The inner rotating rod is fixedly connected; the first gear (35), the outer cylinder of the sleeve (34) is fixedly connected to the center of the first gear (35); the fixed block (36), the front end of the inner rotating rod of the sleeve (34) is fixedly connected to the fixed block (36); the fixed rod (37), the left and right ends of the fixed block (36) are fixedly connected to the fixed rod (37); the connecting ring (38), the left end of the fixed rod (37) at the left end of the fixed block (36) is fixedly connected to the connecting ring (38).

2. A drum dryer for wood chips produced from biomass particles according to claim 1, characterized in that: The stirring mechanism (3) further comprises: a second gear (39), with the second gears (39) being meshed at both left and right ends of the first gear (35); and a stirring roller (310), with the stirring roller (310) being fixedly connected to the front end of the second gear (39).

3. A drum dryer for wood chips produced from biomass particles according to claim 2, characterized in that: The detection mechanism (4) comprises: a second cylinder (41), to which the front end of the top of the drum dryer (1) is fixedly connected; a first electromagnetic block (42), to which the push rod at the bottom of the second cylinder (41) is fixedly connected; a second electromagnetic block (43), to which the bottom of the first electromagnetic block (42) is magnetically adsorbed; a humidity detector (44), to which the bottom of the second electromagnetic block (43) is fixedly connected; and a mounting shell (45), to which the front end of the top of the drum dryer (1) is fixedly connected.

4. A drum dryer for wood chips produced from biomass particles according to claim 3, characterized in that: The detection mechanism (4) further comprises: a hole (46), the bottom of the mounting shell (45) being provided with the hole (46); and a wiping sponge (47), the wiping sponge (47) being adhesively connected inside the hole (46).

5. A drum dryer for wood chips produced from biomass particles according to claim 4, characterized in that: The internal gear of the gear tooth plate member (33) is rotationally connected to the rear end of the drum dryer (1), and the internal gear plate of the gear tooth plate member (33) is slidingly connected to the rear end of the drum dryer (1).

6. A drum dryer for wood chips produced from biomass particles according to claim 5, characterized in that: The front end of the stirring roller (310) is slidably connected to the front end of the drum-type drying machine (1), and the stirring roller (310) passes through the connecting ring (38) and is rotationally connected to the inside thereof.

7. A drum dryer for wood chips produced from biomass particles according to claim 6, characterized in that: The second cylinder (41) passes through the top of the mounting shell (45) and is slidably connected to the inside thereof; the first electromagnetic block (42) and the second electromagnetic block (43) are both electrically connected to an external current output device; and the humidity detector (44) is electrically connected to an external display screen.