Fermentation equipment for preparing cellulose from straw

Abstract

The utility model discloses fermentation equipment for manufacturing cellulose from straw, which comprises supporting legs, a fermentation cylinder and a feed port, the supporting legs are welded with the lower end of the peripheral surface of the fermentation cylinder, the feed port is fixedly connected to one side of the fermentation cylinder, the fermentation cylinder is communicated with the interior of the feed port, and the feed port is fixedly connected with the lower end of the peripheral surface of the fermentation cylinder. A rotating rod is rotatably mounted in the fermentation cylinder, an auger blade is arranged on the peripheral surface of the rotating rod, a cavity in the fermentation cylinder is in a shape with a wide upper part and a narrow lower part, and a stirring space is formed between the cavity and the lower end of the auger blade, so that straws stacked at the bottom can be upwards driven and then return to the interior of the stirring space; single low-efficiency stirring is avoided, and the stirring effect is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fermentation equipment, in particular to a fermentation equipment for producing cellulose from straw. Background Art

[0002] Currently, straw, as an agricultural waste, is mainly composed of complex organic matter such as cellulose, hemicellulose, and lignin. In the process of using straw to produce cellulose, fermentation technology is widely used due to its advantages such as mild conditions and low environmental pollution.

[0003] A search revealed that Chinese patent publication number CN211999672U discloses a fermentation device for producing cellulose from straw. This device uses a separate fermentation chamber and a dual-axis stirring system to ensure uniform mixing of materials and improve fermentation efficiency. However, due to the physical properties of straw, such as its low density and long, entangled fibers, it easily accumulates in the fermentation drum, especially at the bottom. This makes it difficult for the fermentation liquid to penetrate, affecting the fermentation effect. Furthermore, its dense fiber structure makes it difficult to disperse during stirring, resulting in uneven mixing. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to overcome the defects in the existing technology and provide a fermentation equipment for producing cellulose from straw, which can drive the straw accumulated at the bottom upward and then return it to the inside of the stirring space, avoiding single and inefficient stirring and effectively improving the stirring effect.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a fermentation equipment for producing cellulose from straw, comprising a supporting foot, a fermentation cylinder and a feed port, the supporting foot being welded to the lower end of the outer peripheral surface of the fermentation cylinder, the feed port being fixedly connected to one side of the fermentation cylinder, the fermentation cylinder being communicated with the interior of the feed port, a rotating rod being rotatably installed inside the fermentation cylinder, an auger blade being provided on the outer peripheral surface of the rotating rod, the cavity inside the fermentation cylinder being wide at the top and narrow at the bottom, and a stirring space being formed between the cavity and the lower end of the auger blade.

[0006] Furthermore, a driving motor 1 is installed on the top of the fermentation cylinder, and the output end of the driving motor 1 is fixedly connected to a stirring gear 1 through a coupling. The external fixed sleeve of the rotating rod is provided with a stirring gear 2, and the stirring gear 2 is meshed with the stirring gear 1.

[0007] Furthermore, the interior of the rotating rod 11 is hollow, and a plurality of liquid outlet holes 13 are equidistantly arranged on the rotating rod 11 between the auger blades 12. The liquid outlet holes 13 are communicated with the inner cavity of the rotating rod 11. A liquid storage tank 3 is installed on the outside of the fermentation cylinder 2, and a connecting pipe 4 is installed on the top of the liquid storage tank 3. A pump 5 is installed on the top of the fermentation cylinder 2, one end of the pump 5 is connected to the connecting pipe 4, and a delivery pipe 6 is installed on the other end of the pump 5. A rotating sealing shaft 10 is rotatably installed on the top of the rotating rod 11, and the delivery pipe 6 passes through the interior of the rotating sealing shaft 10 and is communicated with the inner cavity of the rotating rod 11.

[0008] Furthermore, a second drive motor 18 is installed on one side of the feed port 17, and a driven rolling roller 23 and a drive shaft 19 are rotatably installed inside the feed port 17. The external fixed sleeve of the drive shaft 19 is provided with an active rolling roller 20. The second drive motor 18 is fixedly connected to the drive shaft 19 through a coupling. One end of the active rolling roller 20 is fixedly connected to a driving gear 21, and one end of the driven rolling roller 23 is fixedly connected to a driven gear 22. The driving gear 21 and the driven gear 22 are both located outside the feed port 17, and the driving gear 21 and the driven gear 22 are meshed and connected.

[0009] Furthermore, a linkage shaft 25 is rotatably installed inside the fermentation cylinder 2, and both ends of the linkage shaft 25 pass through the interior of the fermentation cylinder 2. A rotating seal is provided between the protruding part of the linkage shaft 25 and the fermentation cylinder 2. One end of the linkage shaft 25 and one end of the drive shaft 19 are jointly sleeved with a synchronous belt 24 through a synchronous wheel, and the external fixed sleeve of the linkage shaft 25 is provided with a push plate 26.

[0010] Furthermore, a material discharge chute is provided in the middle portion of the push plate 26 .

[0011] Furthermore, two symmetrically arranged through holes are provided at the bottom of the fermentation cylinder 2, one of the through holes is provided with a filter screen 14, a water outlet pipe 15 is installed at the bottom of the filter screen 14, and a discharge pipe 16 is installed at the bottom of the other through hole, and both the discharge pipe 16 and the water outlet pipe 15 are provided with electric control valves.

[0012] By adopting the above technical solution, the utility model has the following beneficial effects:

[0013] 1. The straw accumulated at the bottom is limited by the mixing space, and the rotation of the auger blades drives the straw to move upward and then return to the inside of the mixing space. The mixing effect is achieved by continuously repeating this action. Different from the single rotation of traditional mixing, it can make the mixing more comprehensive.

[0014] 2. Through the setting of the hollow rotating rod and the liquid outlet hole, the fermentation liquid can flow out from the liquid outlet hole while being continuously stirred, and the fermentation liquid is directly mixed with the straw while being stirred, thereby improving the mixing efficiency.

[0015] 3. The setting of two rolling rollers can be used to pre-treat the straw, and the efficiency of fermentation can be ensured when the straw is crushed and then enters the fermentation cylinder.

[0016] 4. After the fermentation work is completed, the inside of the liquid storage tank can be replaced with cleaning solution through the liquid outlet hole, and the inner wall of the fermentation cylinder can be cleaned while rotating in a pressurized manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the left side of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model on the right side;

[0019] Figure 3 This is a schematic diagram of the internal structure of the fermentation cylinder of the present invention;

[0020] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle;

[0021] Figure 5 This is a schematic diagram of the feed port pretreatment structure of the utility model.

[0022] In the figure: 1. Support foot; 2. Fermentation cylinder; 3. Liquid storage tank; 4. Connecting pipe; 5. Pump; 6. Delivery pipe; 7. Driving motor 1; 8. Agitation gear 1; 9. Agitation gear 2; 10. Rotary sealing shaft; 11. Rotating rod; 12. Auger blade; 13. Liquid outlet; 14. Filter screen; 15. Water outlet pipe; 16. Discharge pipe; 17. Feed inlet; 18. Driving motor 2; 19. Driving shaft; 20. Active rolling roller; 21. Active gear; 22. Driven gear; 23. Driven rolling roller; 24. Synchronous belt; 25. Linkage shaft; 26. Push plate. DETAILED DESCRIPTION

[0023] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0024] Example 1

[0025] like Figure 1-3As shown, a fermentation device for producing cellulose from straw includes a supporting leg 1, a fermentation cylinder 2 and a feed port 17. The supporting leg 1 is welded to the lower end of the outer peripheral surface of the fermentation cylinder 2, and the feed port 17 is fixedly connected to one side of the fermentation cylinder 2. The fermentation cylinder 2 is communicated with the interior of the feed port 17. A rotating rod 11 is rotatably installed inside the fermentation cylinder 2, and an auger blade 12 is provided on the outer peripheral surface of the rotating rod 11. The cavity inside the fermentation cylinder 2 is wide at the top and narrow at the bottom, and a stirring space is formed between the cavity and the lower end of the auger blade 12.

[0026] like Figure 3 As shown, a driving motor 7 is installed on the top of the fermentation cylinder 2, and the output end of the driving motor 7 is fixedly connected to a stirring gear 8 through a coupling. The external fixed sleeve of the rotating rod 11 is provided with a stirring gear 2 9, and the stirring gear 2 9 and the stirring gear 8 are meshed and connected.

[0027] like Figure 3-4 As shown, the interior of the rotating rod 11 is hollow, and a plurality of liquid outlet holes 13 are equidistantly arranged on the rotating rod 11 between the auger blades 12. The liquid outlet holes 13 are communicated with the inner cavity of the rotating rod 11. A liquid storage tank 3 is installed on the outside of the fermentation cylinder 2, and a connecting pipe 4 is installed on the top of the liquid storage tank 3. A pump 5 is installed on the top of the fermentation cylinder 2, one end of the pump 5 is connected to the connecting pipe 4, and the other end of the pump 5 is installed with a delivery pipe 6. A rotating sealing shaft 10 is rotatably installed on the top of the rotating rod 11, and the delivery pipe 6 passes through the interior of the rotating sealing shaft 10 and is communicated with the inner cavity of the rotating rod 11.

[0028] The working principle of this embodiment is as follows: when in use, straw is put into the interior of the fermentation cylinder 2 through the feed port 17, and is accumulated in the stirring space formed between the internal structure of the fermentation cylinder 2 and the auger blade 12. The drive motor 7 is started to drive the driving gear 21 and the driven gear 22 to rotate, thereby realizing the rotation of the rotating rod 11. At this time, the auger blade 12 will continuously turn the straw accumulated at the bottom upward by rotating, and the turned straw will return to the interior of the stirring space, realizing the cyclic stirring work over and over again, avoiding single stirring.

[0029] While stirring, the pump 5 can be started to deliver the prepared fermentation liquid inside the liquid storage tank 3 into the interior of the rotating rod 11 through the delivery pipe 6, and finally flow out through multiple liquid outlets 13. When the rotating rod 11 rotates, it can not only drive the straw to stir through the auger blades 12, but also evenly spray the fermentation liquid on the straw during this process, thereby improving the efficiency of mixing the fermentation liquid and the straw.

[0030] After the fermentation work is completed, the fermentation liquid inside the liquid storage tank 3 can be replaced with a cleaning solution. At this time, the output power of the pump 5 can be increased, and the cleaning solution can be quickly and powerfully sprayed onto the inner wall of the fermentation cylinder 2 through the liquid outlet 13. In this process, not only the inner wall of the fermentation cylinder 2 is cleaned, but also the inside of the rotating rod 11 and the liquid outlet 13 are cleaned, ensuring that the next fermentation work is in a dust-free environment.

[0031] Example 2

[0032] like Figure 5 As shown, this embodiment further includes the following structure on the basis of the embodiment one: a driving motor 2 18 is installed on one side of the feed port 17, and a driven rolling roller 23 and a driving shaft 19 are rotatably installed inside the feed port 17, and an active rolling roller 20 is fixedly sleeved on the outside of the driving shaft 19. The driving motor 2 18 is fixedly connected to the driving shaft 19 through a coupling, and one end of the active rolling roller 20 is fixedly connected to a driving gear 21, and one end of the driven rolling roller 23 is fixedly connected to a driven gear 22. The driving gear 21 and the driven gear 22 are both located outside the feed port 17, and the driving gear 21 and the driven gear 22 are meshed and connected.

[0033] like Figure 5 As shown, a linkage shaft 25 is rotatably installed inside the fermentation cylinder 2, and both ends of the linkage shaft 25 pass through the interior of the fermentation cylinder 2. A rotating seal is provided between the protruding part of the linkage shaft 25 and the fermentation cylinder 2. One end of the linkage shaft 25 and one end of the drive shaft 19 are jointly sleeved with a synchronous belt 24 through a synchronous wheel, and the external fixed sleeve of the linkage shaft 25 is provided with a push plate 26.

[0034] like Figure 5 As shown, a feeding chute is provided in the middle of the push plate 26 .

[0035] like Figure 3-4 As shown, the bottom of the fermentation cylinder 2 is provided with two symmetrically arranged through holes, one of which is provided with a filter screen 14, the bottom of the filter screen 14 is installed with a water outlet pipe 15, and the bottom of the other through hole is installed with a discharge pipe 16, and the discharge pipe 16 and the water outlet pipe 15 are both provided with electric control valves.

[0036] The working principle of this embodiment is as follows: when the straw passes through the feed port 17 and goes to the inside of the fermentation cylinder 2, the drive motor 2 18 is started, and the drive motor 2 18 drives the active gear 21 and the driven gear 22 to engage with each other. When engaged, the active crushing roller 20 and the driven crushing roller 23 are driven to rotate in opposite directions to achieve the crushing and crushing effect. After crushing, the straw will be more comprehensive and efficient whether it is fermented or mixed with the fermentation liquid.

[0037] After crushing and pulverizing, the driving shaft 19 and the synchronous belt 24 can drive the linkage shaft 25, and the rotation of the linkage shaft 25 can realize the rotation of the push plate 26. A feed chute is provided in the middle part of the push plate 26. The crushed straw slides directly from the feed chute to the inside of the stirring space along a part of the channel of the feed port 17. The straw on both sides will be thrown to the side of the fermentation cylinder 2 away from the feed port 17 during the rotation of the push plate 26, avoiding the straw from accumulating on one side of the auger blade 12 when flowing into the stirring space, thereby affecting the stirring effect, and avoiding the problems of excessive accumulation and low stirring efficiency as a whole.

[0038] It should be noted that the linkage shaft 25 passes through the interior of the fermentation cylinder 2, and the protruding portion is connected via a rotary seal, which can ensure that the interior of the fermentation cylinder 2 is in a sealed state during the rotation process and will not affect the fermentation effect.

[0039] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A fermentation device for producing cellulose from straw, comprising a support leg (1), a fermentation cylinder (2), and a feed port (17), wherein the support leg (1) is welded to the lower end of the outer peripheral surface of the fermentation cylinder (2), the feed port (17) is fixedly connected to one side of the fermentation cylinder (2), and the fermentation cylinder (2) is in communication with the interior of the feed port (17), characterized in that: A rotating rod (11) is rotatably mounted inside the fermentation cylinder (2), and an auger blade (12) is provided on the outer peripheral surface of the rotating rod (11). The cavity inside the fermentation cylinder (2) is wide at the top and narrow at the bottom, and a stirring space is formed between the cavity and the lower end of the auger blade (12).

2. The fermentation equipment for producing cellulose from straw according to claim 1, characterized in that: A driving motor 1 (7) is installed on the top of the fermentation cylinder (2), and the output end of the driving motor 1 (7) is fixedly connected to a stirring gear 1 (8) through a coupling. The external fixed sleeve of the rotating rod (11) is provided with a stirring gear 2 (9), and the stirring gear 2 (9) and the stirring gear 1 (8) are meshed and connected.

3. The fermentation equipment for producing cellulose from straw according to claim 1, characterized in that: The interior of the rotating rod (11) is hollow. A plurality of liquid outlet holes (13) are equidistantly arranged on the rotating rod (11) between the auger blades (12). The liquid outlet holes (13) are communicated with the inner cavity of the rotating rod (11). A liquid storage tank (3) is installed on the outside of the fermentation cylinder (2). A connecting pipe (4) is installed on the top of the liquid storage tank (3). A pump (5) is installed on the top of the fermentation cylinder (2). One end of the pump (5) is connected to the connecting pipe (4). The other end of the pump (5) is installed with a delivery pipe (6). A rotating sealing shaft (10) is rotatably installed on the top of the rotating rod (11). The delivery pipe (6) passes through the interior of the rotating sealing shaft (10) and is communicated with the inner cavity of the rotating rod (11).

4. The fermentation equipment for producing cellulose from straw according to claim 1, characterized in that: A second driving motor (18) is installed on one side of the feed port (17), and a driven rolling roller (23) and a driving shaft (19) are rotatably installed inside the feed port (17). The external fixed sleeve of the driving shaft (19) is provided with an active rolling roller (20). The second driving motor (18) and the driving shaft (19) are fixedly connected through a coupling. One end of the active rolling roller (20) is fixedly connected to a driving gear (21), and one end of the driven rolling roller (23) is fixedly connected to a driven gear (22). Both the driving gear (21) and the driven gear (22) are located outside the feed port (17), and the driving gear (21) and the driven gear (22) are meshed and connected.

5. The fermentation equipment for producing cellulose from straw according to claim 4, characterized in that: A linkage shaft (25) is rotatably mounted inside the fermentation cylinder (2), with both ends of the linkage shaft (25) passing through the interior of the fermentation cylinder (2). A rotary seal is provided between the protruding portion of the linkage shaft (25) and the fermentation cylinder (2). One end of the linkage shaft (25) and one end of the drive shaft (19) are jointly sleeved with a synchronous belt (24) via a synchronous wheel, and a push plate (26) is fixedly sleeved on the outside of the linkage shaft (25).

6. The fermentation equipment for producing cellulose from straw according to claim 5, characterized in that: A feeding trough is provided in the middle of the push plate (26).

7. The fermentation equipment for producing cellulose from straw according to claim 1, characterized in that: The bottom of the fermentation cylinder (2) is provided with two symmetrically arranged through holes, one of which is provided with a filter screen (14), the bottom of which is provided with a water outlet pipe (15), and the bottom of the other through hole is provided with a discharge pipe (16), and both the discharge pipe (16) and the water outlet pipe (15) are provided with electric control valves.

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