Buried multistage fermentation device

Abstract

The utility model discloses a buried multi-stage fermentation device which comprises a first-stage fermentation tank, a second-stage fermentation tank and a third-stage fermentation tank, the side end of the first-stage fermentation tank is fixedly connected with a first guide pipe, and the side end of the first guide pipe is fixedly connected with a first mounting ring; the side end of the second-stage fermentation tank is fixedly connected with a second guide pipe, the second guide pipe is connected with the first guide pipe in a sleeving manner, the side end of the second guide pipe is fixedly connected with a second mounting ring, the second mounting ring is fixedly connected with the first mounting ring through a first bolt and a first nut, and the side end of the second-stage fermentation tank is fixedly connected with a third guide pipe; and the side end of the third guide pipe is fixedly connected with a third mounting ring. The guide pipe, the mounting ring, the bolt and the nut are combined to form a sectional assembly structure, so that the device can be quickly assembled and disassembled, and the repair and maintenance of the device are facilitated; a stable structure is formed through combination of the clamping seat and the limiting groove, so that displacement of the fermentation tank caused by soil deformation can be prevented, and stable use of the device is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage fermentation, in particular to an underground multi-stage fermentation device. Background Art

[0002] The multi-stage fermentation components of existing underground multi-stage fermentation devices are mostly installed by welding or complex connection structures. The structure is complex and difficult to disassemble and assemble, which is not conducive to the inspection and maintenance of the device. The device is not stable enough and is prone to structural instability due to soil deformation, which is not conducive to the stable use of the device. A Chinese patent discloses an "agricultural straw buried fermentation device", and its application number is "CN202022661110.6", which includes a device box, in which a crushing feeding box and a fermentation box are arranged in sequence from top to bottom; a feed port connected to the outside of the device box is arranged at the upper part of one end of the crushing feeding box, and a discharge port is opened at the lower part of the other end, and the discharge port is connected to the fermentation box through a connecting pipe; a crushing conveying device is arranged in the crushing feeding box along the direction from the feed end to the discharge end; a plurality of heating blocks are evenly arranged on the top wall of the inner cavity of the fermentation box; an air storage box is arranged in the device box, and the air storage box is connected to the fermentation box through an air inlet pipe; a fermentation liquid box is arranged on the outer wall of the device box, and the fermentation liquid box is connected to the fermentation box through a liquid outlet pipe, and one end of the liquid outlet pipe that passes into the fermentation box is connected to the nozzle. This device is easy to install, which is conducive to controlling various fermentation conditions and can realize automatic and efficient fermentation of straw. However, the device is difficult to disassemble and assemble, which is not conducive to overhaul and maintenance; the device will produce structural instability caused by soil deformation, which is not conducive to stable use. Utility Model Content

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide an underground multi-stage fermentation device. A segmented assembly structure is formed by a combination of a conduit, a mounting ring, bolts and nuts, which can be quickly assembled and disassembled, and is beneficial to the inspection and maintenance of the device. A stable structure is formed by a combination of a holder and a limit groove, which can prevent the fermentation tank from shifting due to soil deformation, and is beneficial to the stable use of the device.

[0004] The utility model also provides the above-mentioned buried multi-stage fermentation device, comprising: a primary fermentation tank, a first conduit fixedly connected to the side end of the primary fermentation tank, a first mounting ring fixedly connected to the side end of the first conduit; a secondary fermentation tank, a second conduit fixedly connected to the side end of the secondary fermentation tank, the second conduit sleeved with the first conduit, a second mounting ring fixedly connected to the side end of the second conduit, the second mounting ring fixedly connected to the first mounting ring through a first bolt and a first nut, a third conduit fixedly connected to the side end of the secondary fermentation tank, a third mounting ring fixedly connected to the side end of the third conduit; a tertiary fermentation tank, a fourth conduit fixedly connected to the side end of the tertiary fermentation tank, a fourth conduit fixedly connected to the side end of the fourth conduit, the fourth mounting ring fixedly connected to the third mounting ring through a second bolt and a second nut; a holder, a first limiting groove, a second limiting groove and a third limiting groove are arranged in the holder, the first limiting groove is sleeved with the primary fermentation tank, the second limiting groove is sleeved with the secondary fermentation tank, and the third limiting groove is sleeved with the tertiary fermentation tank.

[0005] According to the underground multi-stage fermentation device described in the utility model, the side inner wall of the first-stage fermentation tank is fixedly connected with a limit ring to improve stability. The upper end of the first-stage fermentation tank is provided with a first sealing cover for convenient sealing. The lower end of the first sealing cover abuts against the upper end of the limit ring to make the structure compact. The upper end of the first sealing cover is fixedly connected with a feed pipe for convenient feeding.

[0006] According to the underground multi-stage fermentation device of the utility model, a first threaded hole is arranged in the first installation ring to facilitate the installation of the bolts.

[0007] According to the underground multi-stage fermentation device of the utility model, a second threaded hole is provided in the second mounting ring to facilitate the installation of the bolts. The left end of the second mounting ring abuts against the right end of the first mounting ring, making the structure compact.

[0008] According to the underground multi-stage fermentation device of the utility model, a third threaded hole is arranged in the third installation ring to facilitate the installation of the bolts.

[0009] According to the underground multi-stage fermentation device described in the utility model, the upper end of the three-stage fermentation tank is fixedly connected with a second sealing cover for convenient sealing. The upper end of the second sealing cover is fixedly connected with a discharge pipe for convenient discharge.

[0010] According to the underground multi-stage fermentation device of the utility model, a fourth threaded hole is provided in the fourth mounting ring to facilitate the installation of bolts. The left end of the fourth mounting ring abuts against the right end of the third mounting ring, making the structure compact.

[0011] Beneficial Effects

[0012] 1. Compared with the prior art, the underground multi-stage fermentation device forms a segmented assembly structure through the combination of the conduit, the mounting ring, the bolts and the nuts, which can be quickly assembled and disassembled, and is conducive to the inspection and maintenance of the device;

[0013] 2. Compared with the prior art, this underground multi-stage fermentation device forms a stable structure through the combination of the holder and the limit groove, which can prevent the fermentation tank from shifting due to soil deformation, and is conducive to the stable use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the explosion structure of an underground multi-stage fermentation device of the utility model;

[0016] Figure 2 This is a structural schematic diagram of an underground multi-stage fermentation device of the utility model;

[0017] Figure 3 It is a schematic diagram of the transverse cross-sectional structure of an underground multi-stage fermentation device of the utility model;

[0018] Figure 4 It is a schematic diagram of the longitudinal section structure of an underground multi-stage fermentation device of the utility model.

[0019] Legend:

[0020] 1. Base; 2. First limiting groove; 3. First nut; 4. First bolt; 5. First conduit; 6. Primary fermentation tank; 7. Limiting ring; 8. First sealing cover; 9. Feed pipe; 10. First threaded hole; 11. First mounting ring; 12. Second threaded hole; 13. Second mounting ring; 14. Second conduit; 15. Second sealing cover; 16. Second bolt; 17. Second nut; 18. Third threaded hole; 19. Fourth mounting ring; 20. Discharge pipe; 21. Third fermentation tank; 22. Fourth conduit; 23. Fourth threaded hole; 24. Third mounting ring; 25. Third conduit; 26. Third limiting groove; 27. Second fermentation tank; 28. Second limiting groove. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4The utility model embodiment is an underground multi-stage fermentation device, which includes: a primary fermentation tank 6, a limiting ring 7 is fixedly connected to the side inner wall of the primary fermentation tank 6 for limiting, a first sealing cover 8 is arranged at the upper end of the primary fermentation tank 6 for sealing, the lower end of the first sealing cover 8 abuts against the upper end of the limiting ring 7 to form a compact structure, a feed pipe 9 is fixedly connected to the upper end of the first sealing cover 8 for feeding, a first conduit 5 is fixedly connected to the side end of the primary fermentation tank 6 for transporting materials, a first mounting ring 11 is fixedly connected to the side end of the first conduit 5 for docking and fixing, a first threaded hole 10 is arranged in the first mounting ring 11 for mounting bolts;

[0023] A secondary fermentation tank 27, a second conduit 14 is fixedly connected to the side end of the secondary fermentation tank 27 for transporting materials, the second conduit 14 is sleeved with the first conduit 5 to form a compact structure, a second mounting ring 13 is fixedly connected to the side end of the second conduit 14 for docking and fixing, a second threaded hole 12 is provided in the second mounting ring 13 for mounting bolts, the left end of the second mounting ring 13 is abutted against the right end of the first mounting ring 11 to form a compact structure, the second mounting ring 13 is fixedly connected to the first mounting ring 11 by the first bolt 4 and the first nut 3 to form a firm structure, a third conduit 25 is fixedly connected to the side end of the secondary fermentation tank 27 for transporting materials, a third conduit 25 is fixedly connected to the side end of the third mounting ring 24 for docking and fixing, a third threaded hole 18 is provided in the third mounting ring 24 for mounting bolts;

[0024] A third-stage fermentation tank 21, the side end of the third-stage fermentation tank 21 is fixedly connected with a fourth conduit 22 for transporting materials, the side end of the fourth conduit 22 is fixedly connected with a fourth mounting ring 19 for docking and fixing, a fourth threaded hole 23 is provided in the fourth mounting ring 19 for mounting bolts, the left end of the fourth mounting ring 19 abuts against the right end of the third mounting ring 24 to form a compact structure, the fourth mounting ring 19 is fixedly connected with the third mounting ring 24 by a second bolt 16 and a second nut 17 to form a firm structure, the upper end of the third-stage fermentation tank 21 is fixedly connected with a second sealing cover 15 for sealing, and the upper end of the second sealing cover 15 is fixedly connected with a discharge pipe 20 for discharging;

[0025] The base 1 is provided with a first limiting groove 2, a second limiting groove 28 and a third limiting groove 26 for limiting. The first limiting groove 2 is socketed with the primary fermentation tank 6 to form a compact structure, the second limiting groove 28 is socketed with the secondary fermentation tank 27 to form a compact structure, and the third limiting groove 26 is socketed with the tertiary fermentation tank 21 to form a compact structure.

[0026] Working principle: Fermentation is carried out using an underground multi-stage fermentation device, and the material is added into the primary fermentation tank 6 through a feed pipe. The primary fermentation tank 6 will perform primary fermentation on the material. The material enters the secondary fermentation tank 27 through a first conduit 5 and a second conduit 14. The secondary fermentation tank 27 will perform secondary fermentation on the material. The material enters the tertiary fermentation tank 21 through a third conduit 25 and a fourth conduit 22. The tertiary fermentation tank 21 will perform tertiary fermentation on the material, and the discharge pipe 20 will transport the fermented material.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An underground multi-stage fermentation device, characterized in that: include: A primary fermentation tank (6), wherein a first conduit (5) is fixedly connected to a side end of the primary fermentation tank (6), and a first mounting ring (11) is fixedly connected to a side end of the first conduit (5); A secondary fermentation tank (27), wherein a second conduit (14) is fixedly connected to a side end of the secondary fermentation tank (27), the second conduit (14) is sleeved with the first conduit (5), the second conduit (14) is fixedly connected to a second mounting ring (13) at the side end of the second conduit (14), the second mounting ring (13) is fixedly connected to the first mounting ring (11) via a first bolt (4) and a first nut (3), the third conduit (25) is fixedly connected to the side end of the secondary fermentation tank (27), and the third conduit (25) is fixedly connected to a third mounting ring (24) at the side end; A tertiary fermentation tank (21), wherein a side end of the tertiary fermentation tank (21) is fixedly connected to a fourth conduit (22), a side end of the fourth conduit (22) is fixedly connected to a fourth mounting ring (19), and the fourth mounting ring (19) is fixedly connected to the third mounting ring (24) via a second bolt (16) and a second nut (17); A holder (1), wherein a first limiting groove (2), a second limiting groove (28) and a third limiting groove (26) are arranged in the holder (1), wherein the first limiting groove (2) is sleeved with a primary fermentation tank (6), the second limiting groove (28) is sleeved with a secondary fermentation tank (27), and the third limiting groove (26) is sleeved with a tertiary fermentation tank (21).

2. The underground multi-stage fermentation device according to claim 1, characterized in that: The side inner wall of the primary fermentation tank (6) is fixedly connected to a limit ring (7), the upper end of the primary fermentation tank (6) is provided with a first sealing cover (8), the lower end of the first sealing cover (8) is in contact with the upper end of the limit ring (7), and the upper end of the first sealing cover (8) is fixedly connected to a feed pipe (9).

3. The underground multi-stage fermentation device according to claim 1, characterized in that: A first threaded hole (10) is provided in the first mounting ring (11).

4. The underground multi-stage fermentation device according to claim 1, characterized in that: A second threaded hole (12) is provided in the second mounting ring (13), and the left end of the second mounting ring (13) abuts against the right end of the first mounting ring (11).

5. The underground multi-stage fermentation device according to claim 1, characterized in that: A third threaded hole (18) is provided in the third mounting ring (24).

6. The underground multi-stage fermentation device according to claim 1, characterized in that: The upper end of the tertiary fermentation tank (21) is fixedly connected to a second sealing cover (15), and the upper end of the second sealing cover (15) is fixedly connected to a discharge pipe (20).

7. The underground multi-stage fermentation device according to claim 1, characterized in that: A fourth threaded hole (23) is provided in the fourth mounting ring (19), and the left end of the fourth mounting ring (19) abuts against the right end of the third mounting ring (24).

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