A double-layer positive pressure solid fermentation tank
By designing a double-layer positive pressure solid fermentation tank, the problems of uneven distribution of contents and limited output in solid biofermentation are solved, precise control of the fermentation process and the improvement of cleanliness, meeting the needs of clean production.
Patent Information
- Application Number
- CN201911222395.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-12-03
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2039-12-03
AI Technical Summary
The existing vertical and horizontal fermentation tanks have problems such as uneven distribution of contents, limited output and inconvenient exhaust gas treatment in solid biofermentation, which cannot meet the needs of clean production.
A double-layer positive press solid fermentation tank is designed, and a sealed tank body with a double-layer structure, including an outer chamber and an inner chamber. By adjusting the angle between the fermentation tank and the horizontal plane and using a thermal conductivity medium, the fermentation temperature and production capacity are increased. , and collect and purify the exhaust gas through the exhaust gas treatment device to ensure a clean production environment.
It has achieved precise control of the fermentation process, improved production capacity and improved cleanliness, and can effectively collect waste gas, improve the working environment, and meet the requirements of clean production.
Smart Images

Figure CN110923131B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of fermentation devices, in particular to a double-layer positive pressure solid-state fermentation tank. Background Art
[0002] When solid biological fermentation is carried out, such as antibiotics, biological pesticides, enzyme preparations, food, alcohol, biological feed, biological fertilizer, etc., commonly used equipment includes vertical fermentation tanks and horizontal fermentation tanks;
[0003] The vertical fermentation tank has poor fermentation effect because the contents are unevenly distributed in the tank;
[0004] Although the horizontal fermentation tank can make the content distribution more even, it can only fill half of the tank volume with fermented material, and the output is limited;
[0005] Most of the current fermentation tanks are connected to the atmosphere, and the exhaust gas generated is difficult to collect and treat, which not only creates a harsh working environment but also fails to meet the needs of clean production. Summary of the invention
[0006] The invention aims to provide a double-layer positive pressure solid-state fermentation tank with large production capacity, precise fermentation process control and high cleanliness.
[0007] To achieve the above object, the present invention is implemented by adopting the following technical solutions:
[0008] The present invention discloses a double-layer positive pressure solid-state fermentation tank, comprising a fermentation tank, the fermentation tank is a sealed tank body, the fermentation tank is a double-layer structure, the fermentation tank comprises an outer chamber and an inner chamber, an air inlet joint and a drainage joint are arranged at the rear of the fermentation tank, a water inlet joint and an exhaust joint are arranged at the head of the fermentation tank, the inner chamber is connected to the air inlet joint and the exhaust joint, and the outer chamber is connected to the water inlet joint and the drainage joint;
[0009] The base is provided with a mounting groove adapted to the fermentation tank, the fermentation tank is rotatably connected to the base, the fermentation tank is installed in the mounting groove, a support roller is provided at the edge of the mounting groove, the rotating shaft of the support roller is parallel to the rotating shaft of the fermentation tank, a drive motor is installed at the tail end of the base, the drive motor is connected to the fermentation tank through transmission, the drive motor has forward and reverse rotation functions, a stabilizing groove is provided at the head of the base, a sliding ring is provided in the stabilizing groove, and the head of the base is connected to the lifting device;
[0010] The bracket has a rear end hinged to the rear end of the base, a sliding rod is provided at the head of the bracket, the sliding rod is vertically arranged, a sliding ring is sleeved on the sliding rod, and the sliding ring is slidably connected to the sliding rod;
[0011] The air intake fan is connected to the air intake joint through the air intake pipe, and the exhaust gas treatment device is connected to the exhaust joint through the exhaust pipe;
[0012] The heat exchanger is connected to the water inlet joint through the water inlet pipe, and the heat exchanger is connected to the drainage joint through the water outlet pipe;
[0013] The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe are wound around the outer wall of the fermentation tank as the fermentation tank rotates forward.
[0014] The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe become loose from the outer wall of the fermentation tank as the fermentation tank is reversed.
[0015] Preferably, the fermentation tank comprises a tank body, a transmission part, and an extension part which are coaxially arranged;
[0016] The extension part is fixedly connected to the head end of the tank body, the extension part is connected to the tank body, a feed door is arranged at the head end of the extension part, the feed door is sealed and fixedly connected to the extension part by bolts, and a water inlet joint and an exhaust joint are arranged on the outer wall of the extension part;
[0017] The transmission part is fixedly connected to the rear end of the tank body, and the air inlet joint and the water inlet joint are both arranged on the side wall of the transmission part. The air inlet joint and the water discharge joint penetrate through the side wall of the transmission part and then communicate with the tank body.
[0018] Preferably, a sliding groove is provided on the inner wall of the stabilizing groove, and a convex ridge adapted to the sliding groove is provided on the outer periphery of the sliding ring, and the sliding ring always remains perpendicular to the sliding rod.
[0019] Preferably, a support plate is provided at the rear of the base, and the drive motor is fixedly connected to the back of the support plate.
[0020] Preferably, a limiting groove is provided in the middle of the support plate, the limiting groove is annular, and a limiting convex ridge is provided on the outer periphery of the rear end of the transmission part, and the limiting convex ridge is adapted to the limiting groove.
[0021] Preferably, a thrust bearing is provided in the limiting groove.
[0022] Preferably, the outer chamber and the inner chamber are coaxially arranged, and a spiral partition plate is arranged in the outer chamber.
[0023] Preferably, a thermocouple is provided in the inner chamber, a pressure gauge and an oxygen content monitoring device are provided at the exhaust joint, and the fermentation tank is provided with a safety valve.
[0024] Preferably, the inner wall of the inner tank is provided with stirring blades, and a plurality of stirring blades are evenly distributed in a spiral shape.
[0025] Preferably, the angle formed by the axial direction of the fermentation tank and the horizontal direction is -10° to 45°.
[0026] Beneficial effects of the present invention:
[0027] 1. The present invention can increase production capacity by adjusting the angle between the fermentation tank and the horizontal plane.
[0028] 2. The present invention increases or decreases the fermentation temperature of the inner chamber by using the heat-conducting medium of the outer chamber.
[0029] 3. The present invention can effectively collect the generated waste gas and create a clean production environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a schematic diagram of the fermentation tank installed on the base;
[0031] Figure 2 A schematic diagram of the base being installed on the bracket;
[0032] Figure 3 is a schematic diagram of the base;
[0033] Figure 4 A cross-sectional view of a fermentation tank.
[0034] In the figure: 1-air inlet joint, 2-water inlet joint, 3-drainage joint, 4-exhaust joint, 5-transmission part, 6-tank body, 7-extension part, 8-base, 9-support plate, 10-installation groove, 11-drive motor, 12-support roller, 13-bracket, 14-feed door, 15-mixing blade, 16-partition plate, 17-outer chamber, 18-inner chamber, 19-slide rod, 20-slide ring, 21-stabilizing groove, 22-slide groove, 23-locking part, 24-limiting groove, 25-limiting convex ridge. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings.
[0036] like Figures 1 to 4 As shown, the present invention includes a fermentation tank, which is a sealed tank body and a double-layer structure. The fermentation tank includes an outer chamber 17 and an inner chamber 18. An air inlet joint 1 and a drainage joint 3 are provided at the rear of the fermentation tank, and a water inlet joint 2 and an exhaust joint 4 are provided at the head of the fermentation tank. The inner chamber 18 is connected to the air inlet joint 1 and the exhaust joint 4, and the outer chamber 17 is connected to the water inlet joint 2 and the drainage joint 3.
[0037] Base 8, base 8 is provided with a mounting groove 10 adapted to the fermentation tank, the width of the mounting groove 10 is less than the diameter of the fermentation tank, the fermentation tank is rotatably connected to the base 8, the fermentation tank is installed in the mounting groove 10, a support roller 12 is provided at the edge of the mounting groove 10, the rotation axis of the support roller 12 is parallel to the rotation axis of the fermentation tank, a drive motor 11 is installed at the rear end of the base 8, the drive motor 11 is connected to the fermentation tank through transmission, and the drive motor 11 has forward and reverse functions, a stabilizing groove 21 is provided at the head of the base 8, a sliding ring 20 is provided in the stabilizing groove 21, and the head of the base 8 is connected to the lifting device;
[0038] The bracket 13, the rear end of the bracket 13 is hinged to the rear end of the base 8, the head of the bracket 13 is provided with a slide bar 19, the slide bar 19 is vertically arranged, the slide ring 20 is sleeved on the slide bar 19, and the slide ring 20 is slidably connected to the slide bar 19;
[0039] The air intake fan is connected to the air intake connector 1 through the air intake pipe, and the exhaust gas treatment device is connected to the exhaust connector 4 through the exhaust pipe;
[0040] The heat exchanger is connected to the water inlet joint 2 through the water inlet pipe, and the heat exchanger is connected to the water discharge joint 4 through the water outlet pipe;
[0041] The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe are wound around the outer wall of the fermentation tank as the fermentation tank rotates forward.
[0042] The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe become loose from the outer wall of the fermentation tank as the fermentation tank is reversed.
[0043] The fermentation tank comprises a tank body 6, a transmission part 7 and an extension part 5 which are coaxially arranged;
[0044] The extension part 5 is fixedly connected to the head end of the tank body 6, the extension part 5 is connected to the tank body 6, a feed door 14 is provided at the head end of the extension part 5, the feed door 14 is sealed and fixedly connected to the extension part 5 by bolts, and the water inlet joint 2 and the exhaust joint 4 are provided on the outer wall of the extension part 5;
[0045] The transmission part 7 is fixedly connected to the rear end of the tank body 6 , the air inlet joint 1 and the water inlet joint 2 are both arranged on the side wall of the transmission part 7 , and the air inlet joint 1 and the water discharge joint 3 penetrate through the side wall of the transmission part 7 and then communicate with the tank body 6 .
[0046] The inner wall of the stabilizing groove 21 is provided with a sliding groove 22 , and the outer periphery of the sliding ring 20 is provided with convex ridges adapted to the sliding groove 22 , and the sliding ring 20 always remains perpendicular to the sliding rod 19 .
[0047] A support plate 9 is provided at the rear of the base 8 , and a driving motor 11 is fixedly connected to the back of the support plate 9 .
[0048] A limiting groove 24 is provided in the middle of the support plate 9 , and the limiting groove 24 is annular. A limiting convex ridge 25 is provided on the outer periphery of the rear end of the transmission part 7 , and the limiting convex ridge 25 is adapted to the limiting groove 24 .
[0049] A thrust bearing is arranged in the limiting groove 24 .
[0050] The outer chamber 17 and the inner chamber 18 are coaxially arranged, and a spiral partition plate 16 is arranged in the outer chamber 17 to allow cooling water to fully flow through the outer surface of the inner chamber 18 to control the temperature of the inner chamber 18.
[0051] A thermocouple is provided in the inner chamber 18, a pressure gauge and an oxygen content monitoring device are provided at the exhaust joint 4, and a safety valve is provided in the fermentation tank.
[0052] The inner wall of the inner tank body 6 is provided with stirring blades 15, and a plurality of stirring blades 15 are evenly distributed in a spiral shape.
[0053] The angle between the fermentation tank axis and the horizontal direction is -10°~45°
[0054] A locking portion 23 is provided at the head of the base 8. The locking portion 23 is rotatably connected to the outer wall of the tank body 6 to further maintain the stability of the tank body 6. The locking portion 23 is an inverted U-shape.
[0055] In actual use, the lifting device can be a hydraulic lifting device, an electric hoist or other device that realizes the lifting function.
[0056] The head of the base 8 is lifted up by the lifting device to make the tank body 6 tilted, and the fermented material is put into the tank body 6 from the extension part 5 by using a conveyor belt or other devices. After the feed door 14 is closed, the lifting assembly is lowered to make the tank body 6 horizontal, and the driving motor 11 drives the tank body 6 to rotate. As the driving motor 11 rotates forward, the air inlet pipe, the exhaust pipe, the water inlet pipe, and the drain pipe are wound around the extension part 5 and the transmission part 7. After several rounds of forward rotation, the driving motor 11 flips over, and the air inlet pipe, the exhaust pipe, the water inlet pipe, and the drain pipe slip off the extension part 5 and the transmission part 7.
[0057] The air intake fan maintains a positive pressure state in the inner chamber 18, which can ensure that the oxygen content in the tank body 6 reaches the fermentation standard on the one hand, and on the other hand, ensure that the exhaust gas enters the exhaust gas treatment device from the exhaust pipe to purify and collect the exhaust gas.
[0058] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.
Claims
1. A double-layer positive pressure solid-state fermentation tank, characterized in that: The fermentation tank comprises a sealed tank body and a double-layer structure. The fermentation tank comprises an outer chamber (17) and an inner chamber (18). The rear of the fermentation tank is provided with an air inlet joint (1) and a drainage joint (3). The head of the fermentation tank is provided with a water inlet joint (2) and an exhaust joint (4). The inner chamber (18) is connected to the air inlet joint (1) and the exhaust joint (4), and the outer chamber (17) is connected to the water inlet joint (2) and the drainage joint (3). A base (8), wherein the base (8) is provided with a mounting groove (10) adapted to a fermentation tank, the fermentation tank is rotatably connected to the base (8), the fermentation tank is installed in the mounting groove (10), a support roller (12) is provided at the edge of the mounting groove (10), the rotation axis of the support roller (12) is parallel to the rotation axis of the fermentation tank, a drive motor (11) is installed at the rear end of the base (8), the drive motor (11) is connected to the fermentation tank in a transmission manner, and the drive motor (11) has a forward and reverse rotation function, a stabilizing groove (21) is provided at the head of the base (8), a sliding ring (20) is provided in the stabilizing groove (21), and a lifting device is provided at the head of the base (8); The bracket (13) has a rear end that is rotatably connected to the rear end of the base (8), a slide bar (19) is disposed at the head of the bracket (13), the slide bar (19) is vertically arranged, a slide ring (20) is sleeved on the slide bar (19), and the slide ring (20) is slidably connected to the slide bar (19); The air intake fan is connected to the air intake joint (1) through the air intake pipe, and the exhaust gas treatment device is connected to the exhaust joint (4) through the exhaust pipe; The heat exchanger is connected to a water inlet joint (2) via a water inlet pipe, and the heat exchanger is connected to a water discharge joint (3) via a water outlet pipe; The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe are wound around the outer wall of the fermentation tank as the fermentation tank rotates forward. The air inlet pipe, exhaust pipe, water inlet pipe and drain pipe become loose from the outer wall of the fermentation tank as the fermentation tank is reversed.
2. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: The fermentation tank comprises a tank body (6), a transmission part (7), and an extension part (5) which are coaxially arranged; The extension part (5) is fixedly connected to the head end of the tank body (6), the extension part (5) is connected to the tank body (6), a feed door (14) is provided at the head end of the extension part (5), the feed door (14) is fixedly connected to the extension part (5) by bolt sealing, and a water inlet joint (2) and an exhaust joint (4) are provided on the outer wall of the extension part (5); The transmission part (7) is fixedly connected to the rear end of the tank body (6), the air inlet joint (1) and the water inlet joint (2) are both arranged on the side wall of the transmission part (7), and the air inlet joint (1) and the water discharge joint (3) penetrate the side wall of the transmission part (7) and are connected to the tank body (6).
3. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: The inner wall of the stabilizing groove (21) is provided with a sliding groove (22), and the outer periphery of the sliding ring (20) is provided with convex ridges adapted to the sliding groove (22), and the sliding ring (20) always remains perpendicular to the sliding rod (19).
4. The double-layer positive pressure solid-state fermentation tank according to claim 2, characterized in that: A support plate (9) is provided at the rear of the base (8), and a drive motor (11) is fixedly connected to the back of the support plate (9).
5. The double-layer positive pressure solid-state fermentation tank according to claim 4, characterized in that: A limiting groove (24) is provided in the middle of the support plate (9), and the limiting groove (24) is annular. A limiting convex ridge (25) is provided on the outer periphery of the rear end of the transmission part (7), and the limiting convex ridge (25) is adapted to fit the limiting groove (24).
6. The double-layer positive pressure solid-state fermentation tank according to claim 5, characterized in that: A thrust bearing is arranged in the limiting groove (24).
7. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: The outer chamber (17) and the inner chamber (18) are coaxially arranged, and a spiral partition plate (16) is arranged in the outer chamber (17).
8. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: A thermocouple is arranged in the inner chamber (18), a pressure gauge and an oxygen content monitoring device are arranged at the exhaust joint (4), and a safety valve is arranged in the fermentation tank.
9. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: The inner wall of the inner tank body (6) is provided with stirring blades (15), and a plurality of stirring blades (15) are evenly distributed in a spiral shape.
10. The double-layer positive pressure solid-state fermentation tank according to claim 1, characterized in that: The angle formed by the axial direction of the fermentation tank and the horizontal direction is -10° to 45°.