Drum type dryer for biomass pellet fuel production

Abstract

The utility model relates to the technical field of biomass particle processing, in particular to a drum dryer for biomass particle fuel production, which comprises a display and a drying device, the drying device comprises a drying drum, an air guide pipe, a sealing shell, a detector and a through hole; through holes are formed in the surface of the drying cylinder, a sealing shell is arranged outside the drying cylinder, an air guide pipe is arranged at the top end of the sealing shell, a detector is connected to the front end of the sealing shell, and a collecting device is connected to the bottom end of the sealing shell. The display is arranged on the surface of the front end of the box body, and the detector can reflect data of air pressure and temperature in the drying cylinder to the display arranged on the box body, so that the air pressure and temperature in the drying cylinder can be known through the detector, the amount of sent hot air is dynamically adjusted according to the amount of biomass particles, and maximum utilization of resources is guaranteed; and a collecting box is arranged below the notch, and the collecting box can collect dust after the drying cylinder above rotates.

Description

Technical Field

[0001] The utility model relates to the technical field of biomass particle processing, in particular to a drum type drying machine for producing biomass particle fuel. Background Art

[0002] Biomass pellet fuel, also known as biomass molded fuel, is a kind of burnable, granular clean fuel made from waste wood, straw, sawdust and bark as raw materials through processes such as material selection, crushing, mixing, drying and extrusion. It is a new type of clean energy that the country strongly advocates.

[0003] Biomass pellets are made of biomass such as wood chips and straw. They contain a lot of water. If they are not dried, the calorific value and stability of the pellets will decrease. Therefore, the biomass pellets must be dried.

[0004] The hot air blown from the prior art air outlet to the drying drum is relatively scattered, which easily causes heat loss and is not conducive to the control and regulation of the temperature inside the drying drum. Therefore, those skilled in the art provide a drum dryer for biomass pellet fuel production to solve the problems raised in the above background technology. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a drum dryer for biomass pellet fuel production, including a display and a drying device, wherein the drying device includes a drying cylinder, an air guide pipe, a sealing shell, a detector, and a through hole;

[0006] The through hole is arranged on the surface of the drying cylinder, a sealing shell is arranged outside the drying cylinder, an air guide duct is arranged at the top of the sealing shell, a detector is connected to the front end of the sealing shell, and a collecting device is connected to the bottom end of the sealing shell;

[0007] A display is arranged on the front end surface of the box body, and the detector is used to reflect the data of the air pressure and temperature inside the drying cylinder to the display arranged on the box body.

[0008] Preferably, the drying device is arranged inside the box, and a connecting cylinder is arranged on the right part of the box, and the connecting cylinder is connected to the drying cylinder.

[0009] Preferably: the collecting device comprises a collecting box, a buckle, and a notch. The bottom end of the sealing shell is provided with a notch, a collecting box is arranged below the notch, buckles are arranged on the left and right sides of the collecting box, and the collecting box is connected to the sealing shell via the buckle.

[0010] Preferably: the upper end of the air duct is connected to a diverter box, an air inlet is arranged outside the diverter box, the diverter box is arranged inside the box body, an air inlet is arranged outside the diverter box, and six air inlets are arranged equidistantly laterally along the diverter box.

[0011] Preferably: the right end of the diverter box is connected to a connecting pipe, the right end of the connecting pipe is connected to an induced draft fan, and a motor is provided below the induced draft fan.

[0012] Preferably: a hydraulic cylinder is arranged on the right side of the bottom end of the box body, a control panel is arranged on the right surface of the box body, the control panel comprises a screen and buttons, and a button is arranged on one side of the screen.

[0013] Preferably, the drying drum 71 is made of stainless steel.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The sealed shell can guide the hot air from the air duct into the drying cylinder more quickly and efficiently. Sufficient hot air can better dry the biomass particles. At the same time, the internal air pressure and temperature can be understood through the detector, and the amount of hot air delivered can be dynamically adjusted according to the amount of biomass particles to ensure the maximum utilization of resources.

[0016] 2. A notch is provided at the bottom end of the sealing shell, and a collection box is provided below the notch. The collection box can collect dust after the upper drying cylinder rotates. The collection box is fixed by a buckle, which is convenient for taking out, cleaning and installing the collection box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a drum dryer for producing biomass pellet fuel provided in an embodiment of the present application;

[0018] Figure 2 This is a schematic diagram of the internal structure of a drum dryer for producing biomass pellet fuel provided in an embodiment of the present application;

[0019] Figure 3 It is a structural schematic diagram of a drying device in a drum dryer for producing biomass pellet fuel provided in an embodiment of the present application;

[0020] Figure 4 It is a schematic diagram of the exploded structure of a drying device in a drum dryer for producing biomass pellet fuel provided in an embodiment of the present application;

[0021] Figure 5 It is a structural schematic diagram of a collecting device in a drum dryer for producing biomass pellet fuel provided in an embodiment of the present application.

[0022] In the figure: 1. box body; 2. connecting tube; 3. hydraulic cylinder; 4. display; 5. control panel; 6. air inlet; 7. drying device; 71. drying tube; 72. air guide duct; 73. sealing shell; 74. detector; 75. through hole; 8. diverter box; 9. induced draft fan; 10. motor; 11. connecting tube; 12. rotating shaft; 13. collecting device; 131. collecting box; 132. buckle; 133. notch. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0024] See also Figures 1 to 5 In this embodiment, a drum dryer for producing biomass pellet fuel is provided, including a display 4 and a drying device 7, wherein the drying device 7 includes a drying cylinder 71, an air guide duct 72, a sealing shell 73, a detector 74, and a through hole 75;

[0025] The surface of the drying cylinder 71 is provided with a through hole 75, the outside of the drying cylinder 71 is provided with a sealing shell 73, the top of the sealing shell 73 is provided with an air guide 72, the front end of the sealing shell 73 is connected to a detector 74, and the bottom end of the sealing shell 73 is connected to a collecting device 13;

[0026] A display 4 is provided on the front surface of the housing 1. The detector 74 can reflect the data of the air pressure and temperature inside the drying cylinder 71 to the display 4 provided on the housing 1. The sealing shell 73 can introduce the hot air from the air duct 72 into the drying cylinder 71 more quickly and efficiently. Sufficient hot air can better dry the biomass particles. At the same time, the internal air pressure and temperature can be understood through the detector 74, and the amount of hot air delivered can be dynamically adjusted according to the amount of biomass particles to ensure the maximum utilization of resources.

[0027] The drying device 7 is arranged inside the box body 1. A connecting cylinder 2 is arranged on the right part of the box body 1. The connecting cylinder 2 is connected to the drying cylinder 71. The biomass particles are put into the drying cylinder 71 through the connecting cylinder 2, and then the biomass particles are air-dried.

[0028] The collecting device 13 includes a collecting box 131, a buckle 132, and a notch 133. The bottom end of the sealing shell 733 is provided with a notch 133, and the collecting box 131 is arranged below the notch 133. Buckles 132 are arranged on the left and right sides of the collecting box 131. The collecting box 131 is connected to the sealing shell 73 through the buckle 132. The collecting device 13 can collect the dust after rolling inside the drying drum 71, and fix it through the buckle 132, so as to facilitate the cleaning of the collecting box 131.

[0029] The upper end of the air duct 72 is connected to a diverter box 8, an air inlet 6 is arranged outside the diverter box 8, the diverter box 8 is arranged inside the box body 1, an air inlet 6 is arranged outside the diverter box 8, six air inlets 6 are arranged equidistantly laterally along the diverter box 8, and the diverter box 8 sucks in external air through the air inlet 6.

[0030] The right end of the diversion box 8 is connected to a connecting pipe 11, and the right end of the connecting pipe 11 is connected to an induced draft fan 9. A motor 10 is arranged below the induced draft fan 9. The motor 10 can rotate the drying cylinder 71 to drive the internal biomass particles to rotate, thereby ensuring better air drying of the biomass particles.

[0031] The left end of the motor 10 is connected to a rotating shaft 12 , and the left side of the rotating shaft 12 is connected to a drying device 7 . The rotating shaft 12 controls the rotation of the drying cylinder 71 , so that the dust and debris inside fall into the collection box 131 through the through hole 75 .

[0032] A hydraulic cylinder 3 is arranged on the right side of the bottom end of the box body 1, and a control panel 5 is arranged on the right surface of the box body 1. The control panel 5 includes a screen and buttons. Buttons are arranged on one side of the screen. The control panel 5 can be used to operate the operation of the motor 10 and control the rotation of the drying drum 71.

[0033] The drying drum 71 is made of stainless steel, and the wear resistance of the stainless steel drying drum 71 is utilized to ensure the long-term use of the drying drum 71.

[0034] The working principle of the utility model is: a drum dryer is used to dry the biomass particles, and the biomass particles to be processed are placed in a drying cylinder 71. A through hole 75 is provided on the surface of the drying cylinder 71, and a sealing shell 73 is provided on the outside of the drying cylinder 71. An air duct 72 is provided on the top of the sealing shell 73. A detector 74 is connected to the front end of the sealing shell 73, and a collecting device 13 is connected to the bottom end of the sealing shell 73. The detector 74 can respond to the data of the air pressure and temperature inside the drying cylinder 71 to the display 4 set on the box body 1. The sealing shell 73 can guide the hot air from the air duct 72 into the drying cylinder 71 more quickly and efficiently. Sufficient hot air can better dry the biomass particles. At the same time, the internal air pressure and temperature can be understood through the detector 74, and the amount of hot air delivered can be dynamically adjusted according to the amount of biomass particles to ensure the maximum utilization of resources.

[0035] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A drum dryer for producing biomass pellet fuel, characterized in that: It comprises a housing (1), a display (4), and a drying device (7), wherein the drying device (7) comprises a drying cylinder (71), an air guide pipe (72), a sealing shell (73), a detector (74), and a through hole (75); The through hole (75) is arranged on the surface of the drying cylinder (71); a sealing shell (73) is arranged outside the drying cylinder (71); an air guide duct (72) is arranged at the top of the sealing shell (73); a detector (74) is connected to the front end of the sealing shell (73); and a collecting device (13) is connected to the bottom end of the sealing shell (73); A display (4) is provided on the front end surface of the housing (1), and the detector (74) is used to reflect the data of the air pressure and temperature inside the drying cylinder (71) to the display (4) provided on the housing (1).

2. A drum dryer for producing biomass pellet fuel according to claim 1, characterized in that: The drying device (7) is arranged inside the box (1), and a connecting cylinder (2) is arranged on the right part of the box (1), and the connecting cylinder (2) is connected to the drying cylinder (71).

3. The drum dryer for producing biomass pellet fuel according to claim 1, characterized in that: The collecting device (13) comprises a collecting box (131), a buckle (132), and a notch (133); the bottom end of the sealing shell (73) is provided with a notch (133); the collecting box (131) is arranged below the notch (133); and the buckles (132) are arranged on the left and right sides of the collecting box (131).

4. The drum dryer for producing biomass pellet fuel according to claim 1, characterized in that: The upper end of the air guide pipe (72) is connected to a diverter box (8), the diverter box (8) is arranged inside the box body (1), and an air inlet (6) is arranged outside the diverter box (8), and a plurality of the air inlets (6) are arranged at equal distances laterally along the diverter box (8).

5. A drum dryer for producing biomass pellet fuel according to claim 4, characterized in that: The right end of the diverter box (8) is connected to a connecting pipe (11), the right end of the connecting pipe (11) is connected to an induced draft fan (9), and a motor (10) is provided below the induced draft fan (9).

6. The drum dryer for producing biomass pellet fuel according to claim 2, characterized in that: A hydraulic cylinder (3) is arranged on the right side of the bottom end of the box body (1), and a control panel (5) is arranged on the right side surface of the box body (1). The control panel (5) comprises a screen and buttons, and buttons are arranged on one side of the screen.

7. The drum dryer for producing biomass pellet fuel according to claim 1, characterized in that: The drying cylinder (71) is made of stainless steel.

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