Modular combined organic solid waste horizontal aerobic fermentation tank

Abstract

The invention belongs to the technical field of fermentation, and discloses a modular combined organic solid waste horizontal aerobic fermentation tank which comprises an aerobic fermentation main tank assembly, aerobic fermentation end tank assemblies are arranged at the two ends of the aerobic fermentation main tank assembly, and a pressure relief assembly is arranged at the top of the aerobic fermentation main tank assembly. The aerobic fermentation end tank assemblies are arranged at the two ends of the aerobic fermentation main tank assembly, the combined arm assemblies are arranged at the two side ends of the aerobic fermentation main tank assembly, and the aerobic fermentation end tank assemblies are installed on the combined arm assemblies in an inserted mode; the two groups of aerobic fermentation end tank assemblies are driven to form a combined fermentation tank structure which synchronously moves to be in sealed butt joint at the two ends of the aerobic fermentation main tank assembly, and the structure is convenient for rapid combined assembly and disassembly between the aerobic fermentation main tank assembly and the aerobic fermentation end tank assemblies and convenient for maintenance of the interior of the fermentation tank.

Description

Technical Field

[0001] This invention belongs to the field of fermentation technology, specifically relating to a modular combined horizontal aerobic fermenter for organic solid waste. Background Technology

[0002] Horizontal aerobic fermenters are widely used in various organic solid waste treatment scenarios due to their advantages such as small footprint, high fermentation efficiency, and uniform material mixing. However, current horizontal aerobic fermenters on the market still face many technical bottlenecks in practical applications, which seriously restrict their applicability, stability, and ease of operation.

[0003] For example, existing technologies such as the "Modular Combined Horizontal Aerobic Fermentation Tank for Organic Solid Waste" disclosed in patent document CN120698822A, although achieving flexible adjustment of processing capacity through the series combination of multiple fermentation mechanisms, rely on docking mechanisms and threaded locking structures for inter-module connections. The disassembly and assembly process is still relatively cumbersome, and after long-term use, problems such as wear of seals and reduction of locking force are prone to occur, affecting the overall sealing performance and structural stability. In addition, this structure still relies on increasing or decreasing the number of fermentation modules to adjust the tank volume, failing to achieve continuous adjustment of the internal volume of a single tank, making it difficult to adapt to small-scale fluctuations in processing capacity or space-constrained scenarios.

[0004] Furthermore, the assembly and disassembly of existing modular fermenters often require external tools and multiple personnel, resulting in low operational efficiency and high maintenance costs. Additionally, pressure fluctuations within the tank during fermentation can easily lead to tank deformation or seal failure, posing safety hazards.

[0005] Therefore, there is an urgent need for a modular combination horizontal aerobic fermentation tank for organic solid waste with a more reasonable structure, more convenient operation, more flexible volume adjustment, and more reliable sealing performance, in order to overcome the shortcomings of existing technologies and meet the diverse and efficient needs of organic solid waste treatment. Summary of the Invention

[0006] To address the problems mentioned in the background section, this invention provides a modular, combined horizontal aerobic fermentation tank for organic solid waste, which offers greater ease of operation.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a modular combined horizontal aerobic fermentation tank for organic solid waste, comprising an aerobic fermentation main tank assembly, with aerobic fermentation end tank assemblies at both ends of the aerobic fermentation main tank assembly, and combined arm assemblies at both ends of the aerobic fermentation main tank assembly. The aerobic fermentation end tank assemblies are inserted and installed on the combined arm assemblies. Through the swinging and extending of the combined arm assemblies, the two sets of aerobic fermentation end tank assemblies are driven to form a combined fermentation tank structure that moves synchronously to a sealed docking at both ends of the aerobic fermentation main tank assembly. An extended inner tank assembly is provided inside the aerobic fermentation main tank assembly. Through the synchronous extension of the extended inner tank assembly within the tanks at both ends of the aerobic fermentation main tank assembly, the tank body of the aerobic fermentation main tank assembly forms a tank structure with adjustable volume. A pressure relief assembly is provided at the top of the aerobic fermentation main tank assembly. Through the automatic pressure relief function of the pressure relief assembly, the tank body deformation of the aerobic fermentation main tank assembly due to excessive internal pressure during the fermentation process is prevented.

[0008] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the aerobic fermentation main tank assembly includes a main tank base, base side arms, a first drive motor, a fermentation main tank, a pressure relief pipe, a U-shaped base, a seat groove, a side sliding groove, a second drive motor, and a drive gear. The fermentation main tank is fixedly mounted on the top of the main tank base, the seat groove is opened at the bottom of the main tank base, the U-shaped base is fixedly mounted inside the seat groove, and side sliding grooves are opened on both sides of the inner wall of the U-shaped base. Base side arms are fixedly mounted on both sides of the top of the main tank base. The first drive motor is fixedly mounted on one of the base side arms, the pressure relief pipe is fixedly mounted on the top of the fermentation main tank, the second drive motor is fixedly mounted on the bottom of the U-shaped base, and the drive gear is mounted on the output shaft of the second drive motor.

[0009] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the aerobic fermentation end tank assembly includes a fermentation end tank, an end tank arm platform, and an arm platform insert rod. The end tank arm platforms are fixedly installed on both sides of the fermentation end tank, and the arm platform insert rods are fixedly installed on the end tank arm platforms.

[0010] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the combined arm assembly includes a combined main gear, a combined main arm, a combined support arm, a combined support gear, a bracket, and slots. There are four combined main gears, each with a fixedly mounted combined main arm. One end of the combined support arm is rotatably mounted on the combined main arm, and the end of the combined support arm away from the combined main arm is fixedly mounted with a combined support gear. The bracket is rotatably mounted on two combined support gears, and a slot is provided on the bracket. The slot matches the arm support rod. The four combined main gears are rotatably mounted on the inner wall of the base side arm, at which point adjacent combined main gears mesh with each other.

[0011] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the extended inner tank assembly includes a first inner tank, a sealing ring, a traveling roller, an L-shaped side plate, a second inner tank, a first toothed arm, and a second toothed arm. The second toothed arm is fixedly disposed at the bottom of the first inner tank, and the first toothed arm is fixedly disposed at the bottom of the second inner tank. A sealing ring is provided at one end of both the first and second inner tanks, and an L-shaped side plate is provided at the other end of both the first and second inner tanks. The traveling roller is disposed on the L-shaped side plate. The extended inner tank assembly is disposed inside the main fermentation tank. At this time, the first and second inner tanks slide inside the two ends of the main fermentation tank, respectively. The second toothed arm and the first toothed arm slide within a U-shaped base, and the second toothed arm and the first toothed arm slide within two side sliding grooves on both sides of the U-shaped base, respectively.

[0012] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the pressure relief assembly includes a pressure relief chamber, a chamber rod, a top pressure spring, a top pressure piston, a pressure relief hole, a top pressure ring platform, and a pressure relief side pipe. The chamber rod slides through the top of the pressure relief chamber. At this time, the top pressure piston is fixedly installed at the bottom of the chamber rod, and the top pressure spring is sleeved on the outside of the chamber rod. The bottom of the pressure relief chamber is provided with a pressure relief side pipe and a pressure relief hole. The top pressure ring platform is fixedly installed at the bottom of the inner wall of the pressure relief chamber. The bottom of the pressure relief chamber is fixedly installed at the top of the pressure relief pipe. At this time, the pressure relief pipe is connected to the inside of the pressure relief chamber through the pressure relief hole.

[0013] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, when the extended inner tank assembly slides inside the main fermentation tank, the L-shaped side plate is located on the outer wall of the main fermentation tank, the traveling roller rolls along the outer wall of the main fermentation tank, and the second toothed arm and the first toothed arm are arranged on both sides of the drive gear. The two sides of the drive gear mesh with the first toothed arm and the second toothed arm respectively. Through the meshing of the drive gear with the first toothed arm and the second toothed arm, the first inner tank and the second inner tank slide synchronously in opposite directions at both ends inside the main fermentation tank, thereby realizing the expansion of the tank volume.

[0014] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the fermentation end tank is inserted into a slot on the bracket via an arm support rod, and the aerobic fermentation end tank assembly is supported on the combined arm assembly via the bracket. The output shaft of the first drive motor is connected to a combined main gear.

[0015] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the two combined support gears on the bracket mesh with each other, and the two adjacent combined main gears mesh with each other. When the combined main arm on the combined main gear swings inward, the combined main arm drives the combined support arm to swing inward. At this time, the combined main arm and the combined support arm form a linear extension arm structure.

[0016] In a preferred embodiment of a modular combined horizontal aerobic fermentation tank for organic solid waste, the top end of the top pressure spring abuts against the top of the pressure relief chamber, and the bottom end of the top pressure spring abuts against the top pressure piston. Through the pushing of the top pressure spring against the top pressure piston, the top pressure piston abuts against the top pressure ring platform. Through the abutment of the top pressure piston on the top pressure ring platform, the air passage between the pressure relief hole and the pressure relief side pipe is blocked.

[0017] Compared with the prior art, the beneficial effects of the present invention are: 1. The present invention provides aerobic fermentation end tank assemblies at both ends of the aerobic fermentation main tank assembly, and combined arm assemblies at both ends of the aerobic fermentation main tank assembly. The aerobic fermentation end tank assemblies are inserted into the combined arm assemblies. Through the swinging and extending of the combined arm assemblies, the two sets of aerobic fermentation end tank assemblies are driven to form a combined fermentation tank structure that moves synchronously to a sealed docking at both ends of the aerobic fermentation main tank assembly. This structure facilitates the rapid assembly and disassembly of the aerobic fermentation main tank assembly and the aerobic fermentation end tank assemblies, and also facilitates the internal maintenance of the fermentation tank.

[0018] 2. The aerobic fermentation main tank assembly of the present invention is provided with an expansion inner tank assembly. By the synchronous extension of the expansion inner tank assembly into the tanks at both ends of the aerobic fermentation main tank assembly, the tank body of the aerobic fermentation main tank assembly forms a tank body structure with adjustable volume. Through the meshing of the drive gear with the first toothed arm and the second toothed arm, the first inner tank and the second inner tank slide synchronously at both ends inside the fermentation main tank to expand the tank volume. Through this structure, the volume change of the tanks at both ends of the aerobic fermentation main tank assembly is consistent, ensuring the consistency of the subsequent use of the two sets of aerobic fermentation end tank assemblies when combined at both ends of the aerobic fermentation main tank assembly.

[0019] 3. The aerobic fermentation main tank assembly of the present invention is equipped with a pressure relief component at the top. Through the automatic pressure relief component, the tank body of the aerobic fermentation main tank assembly is prevented from deforming under high pressure environment inside the fermentation. When the pressure inside the fermentation main tank is too high, the excessive pressure overcomes the top pressure of the top pressure spring and pushes the top pressure piston to move upward in the pressure relief chamber. When the top pressure piston moves upward, the top pressure piston releases the top pressure seal on the top pressure ring platform. At this time, the air passage between the pressure relief hole and the pressure relief side pipe is connected, ensuring the safety of the aerobic fermentation main tank assembly during fermentation. Attached Figure Description

[0020] Figure 1 This is a perspective view of the present invention; Figure 2 This is a cross-sectional view of the present invention; Figure 3 This is a perspective view of the aerobic fermentation main tank assembly of the present invention; Figure 4 This is a perspective view of the aerobic fermentation tank assembly of the present invention; Figure 5This is a perspective view of the combined arm assembly of the present invention; Figure 6 An extended perspective view of the inner tank assembly for this invention; Figure 7 This is a cross-sectional view of the pressure relief assembly of the present invention.

[0021] In the diagram: 100, Aerobic fermentation main tank assembly; 101, Main tank base; 102, Base side arm; 103, First drive motor; 104, Fermentation main tank; 105, Pressure relief pipe; 106, U-shaped base; 107, Seat groove; 108, Side sliding groove; 109, Second drive motor; 110, Drive gear; 200, Aerobic fermentation end tank assembly; 201, Fermentation end tank; 202, End tank arm platform; 203, Arm platform insertion rod; 300, Combined arm assembly; 301, Combined main gear; 302, Combined main arm; 303. Combined support arm; 304. Combined support gear; 305. Trailer; 306. Slot; 400. Extended inner tank assembly; 401. First inner tank; 402. Sealing ring; 403. Traveling roller; 404. L-shaped side plate; 405. Second inner tank; 406. First toothed lever; 407. Second toothed lever; 500. Pressure relief assembly; 501. Pressure relief chamber; 502. Chamber rod; 503. Top pressure spring; 504. Top pressure piston; 505. Pressure relief hole; 506. Top pressure ring platform; 507. Pressure relief side pipe. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figures 1-7As shown, this invention provides a modular combined horizontal aerobic fermentation tank for organic solid waste, including an aerobic fermentation main tank assembly 100. Both ends of the aerobic fermentation main tank assembly 100 are provided with aerobic fermentation end tank assemblies 200, and both sides of the aerobic fermentation main tank assembly 100 are provided with combined arm assemblies 300. The aerobic fermentation end tank assemblies 200 are inserted into the combined arm assemblies 300. Through the swinging and extending movements of the combined arm assemblies 300, the two sets of aerobic fermentation end tank assemblies 200 are driven to form two sets of aerobic fermentation end tank assemblies at both ends of the aerobic fermentation main tank assembly 100. The combined fermentation tank structure moves synchronously to a sealed docking position. The aerobic fermentation main tank assembly 100 is equipped with an extended inner tank assembly 400. Through the synchronous extension of the extended inner tank assembly 400 into the tanks at both ends of the aerobic fermentation main tank assembly 100, the tank body of the aerobic fermentation main tank assembly 100 forms a tank structure with adjustable volume. A pressure relief assembly 500 is provided at the top of the aerobic fermentation main tank assembly 100. Through the automatic pressure relief of the pressure relief assembly 500, the tank body of the aerobic fermentation main tank assembly 100 is prevented from deforming under the high pressure environment inside the fermentation tank.

[0024] In a preferred embodiment, please refer to Figure 3 The aerobic fermentation main tank assembly 100 includes a main tank base 101, base side arms 102, a first drive motor 103, a fermentation main tank 104, a pressure relief pipe 105, a U-shaped base 106, a seat groove 107, a side sliding groove 108, a second drive motor 109, and a drive gear 110. The fermentation main tank 104 is fixedly mounted on the top of the main tank base 101. The seat groove 107 is opened at the bottom of the main tank base 101. The U-shaped base 106 is fixedly mounted inside the seat groove 107. Side sliding grooves 108 are opened on both sides of the inner wall of the U-shaped base 106. Base side arms 102 are fixedly mounted on both sides of the top of the main tank base 101. The first drive motor 103 is fixedly mounted on one of the base side arms 102. The pressure relief pipe 105 is fixedly mounted on the top of the fermentation main tank 104. The second drive motor 109 is fixedly mounted on the bottom of the U-shaped base 106. The drive gear 110 is mounted on the output shaft of the second drive motor 109.

[0025] In this embodiment, the output shaft of the first drive motor 103 is connected to a combined main gear 301.

[0026] In a preferred embodiment, please refer to Figure 4 The aerobic fermentation end tank assembly 200 includes a fermentation end tank 201, an end tank arm platform 202, and an arm platform insertion rod 203. The end tank arm platform 202 is fixedly installed on both sides of the fermentation end tank 201, and the arm platform insertion rod 203 is fixedly installed on the end tank arm platform 202.

[0027] In this embodiment, slot 306 is matched with armrest insert 203.

[0028] In this embodiment, the fermentation tank 201 is inserted into the slot 306 on the bracket 305 via the armrest insertion rod 203.

[0029] In this embodiment, the aerobic fermentation end tank assembly 200 is supported on the combined arm assembly 300 by the bracket 305.

[0030] In a preferred embodiment, please refer to Figure 5 The combined arm assembly 300 includes a combined main gear 301, a combined main arm 302, a combined support arm 303, a combined support gear 304, a bracket 305, and a slot 306. There are four combined main gears 301, and a combined main arm 302 is fixedly mounted on each combined main gear 301. One end of the combined support arm 303 is rotatably mounted on the combined main arm 302, and a combined support gear 304 is fixedly mounted on the end of the combined support arm 303 away from the combined main arm 302. The bracket 305 is rotatably mounted on two combined support gears 304, and a slot 306 is provided on the bracket 305.

[0031] In this embodiment, four combined main gears 301 are rotatably mounted on the inner wall of the base side arm 102.

[0032] In this embodiment, two adjacent combined main gears 301 mesh with each other.

[0033] In this embodiment, the two combined support gears 304 on the carriage 305 mesh with each other.

[0034] In this embodiment, the meshing between the two combined main gears 301, in conjunction with the meshing between the two combined support gears 304, enables the combined main arm 302 and the combined support arm 303 to form a linear extension arm structure, thereby realizing the linear telescopic movement of the combined main arm 302 and the combined support arm 303.

[0035] In a preferred embodiment, please refer to Figure 6 The extended inner tank assembly 400 includes a first inner tank 401, a sealing ring 402, a traveling roller 403, an L-shaped side plate 404, a second inner tank 405, a first toothed arm 406, and a second toothed arm 407. The second toothed arm 407 is fixedly disposed at the bottom of the first inner tank 401, and the first toothed arm 406 is fixedly disposed at the bottom of the second inner tank 405. A sealing ring 402 is provided at one end of both the first inner tank 401 and the second inner tank 405, and an L-shaped side plate 404 is provided at the other end of both the first inner tank 401 and the second inner tank 405. The traveling roller 403 is disposed on the L-shaped side plate 404.

[0036] In this embodiment, the extended inner tank assembly 400 is disposed inside the fermentation main tank 104, at which time the first inner tank 401 and the second inner tank 405 slide inside the fermentation main tank 104 at both ends respectively.

[0037] In this embodiment, the second toothed arm 407 and the first toothed arm 406 slide within the U-shaped base 106.

[0038] In this embodiment, the second toothed arm 407 and the first toothed arm 406 slide within two side sliding grooves 108 on both sides of the U-shaped base 106.

[0039] In this embodiment, when the extended inner tank assembly 400 slides inside the fermentation main tank 104, the L-shaped side plate 404 is located on the outer wall of the fermentation main tank 104, and the traveling roller 403 rolls along the outer wall of the fermentation main tank 104.

[0040] In this embodiment, the second toothed arm 407 and the first toothed arm 406 are disposed on both sides of the drive gear 110, and the two sides of the drive gear 110 mesh with the first toothed arm 406 and the second toothed arm 407 respectively.

[0041] In this embodiment, the drive gear 110 meshes with the first toothed arm 406 and the second toothed arm 407, causing the first inner tank 401 and the second inner tank 405 to slide synchronously at both ends inside the fermentation main tank 104 to expand the tank volume.

[0042] In a preferred embodiment, please refer to Figure 7 The pressure relief assembly 500 includes a pressure relief chamber 501, a chamber rod 502, a top pressure spring 503, a top pressure piston 504, a pressure relief hole 505, a top pressure ring platform 506, and a pressure relief side tube 507. The chamber rod 502 slides through the top of the pressure relief chamber 501. At this time, the top pressure piston 504 is fixedly installed at the bottom of the chamber rod 502, the top pressure spring 503 is sleeved on the outside of the chamber rod 502, the pressure relief side tube 507 and the pressure relief hole 505 are provided at the bottom of the pressure relief chamber 501, and the top pressure ring platform 506 is fixedly installed at the bottom of the inner wall of the pressure relief chamber 501.

[0043] In this embodiment, the bottom of the pressure relief chamber 501 is fixedly installed at the top of the pressure relief pipe 105.

[0044] In this embodiment, the pressure relief pipe 105 is connected to the inside of the pressure relief chamber 501 through the pressure relief hole 505.

[0045] In this embodiment, the top of the pressure spring 503 abuts against the top of the pressure relief chamber 501.

[0046] In this embodiment, the bottom end of the pressure spring 503 abuts against the pressure piston 504.

[0047] In this embodiment, the top pressure piston 504 is pushed by the top pressure spring 503, and the top pressure piston 504 abuts against the top pressure ring platform 506.

[0048] In this embodiment, the air passage between the pressure relief hole 505 and the pressure relief side pipe 507 is blocked by the contact of the pressure piston 504 on the pressure ring 506.

[0049] The working principle of this invention is as follows: To solve the problem of cumbersome assembly and inconvenient disassembly of existing horizontal aerobic fermenters, this invention provides aerobic fermentation end tank assemblies 200 at both ends of the aerobic fermentation main tank assembly 100, and combined arm assemblies 300 at both ends of the aerobic fermentation main tank assembly 100. The aerobic fermentation end tank assemblies 200 are inserted into the combined arm assemblies 300. Through the swinging and extending of the combined arm assemblies 300, the two sets of aerobic fermentation end tank assemblies 200 are driven to move synchronously to the ends of the aerobic fermentation main tank assembly 100 to form a combined fermentation tank structure that is sealed and connected. Specifically, the two combined support gears 304 on the bracket 305 mesh with each other. Through the meshing of two combined main gears 301 and the meshing of two combined support gears 304, a linear extension arm structure is formed between the combined main arm 302 and the combined support arm 303. The fermentation tank 201 is inserted into the slot 306 on the bracket 305 via the arm support rod 203. The bracket 305 supports the aerobic fermentation tank assembly 200 on the combined arm assembly 300. The output shaft of the first drive motor 103 is connected to one combined main gear 301. In actual use, the first drive motor 103 drives one combined main gear 301 to rotate. Since the four combined main gears 301 are rotatably mounted on the base side arm 102... On the inner wall, the two adjacent main gears 301 mesh with each other, and simultaneously mesh with the two support gears 304. When the main arm 302 on the main gear 301 swings inward, it drives the support arm 303 to swing inward, forming a linear extension arm structure between the main arm 302 and the support arm 303. Similarly, when the main arm 302 on the main gear 301 swings outward, the above actions are reversed, forming a linear retraction arm structure between the main arm 302 and the support arm 303. Since the fermentation tank 201 is inserted into the bracket 3 via the arm support rod 203... In slot 306 on 05, when the main arm 302 and the support arm 303 form a retractable arm structure, the two ends of the combined arm assembly 300 drive the two sets of aerobic fermentation end tank assemblies 200 to approach the two ends of the aerobic fermentation main tank assembly 100, so that the two sets of aerobic fermentation end tank assemblies 200 and the aerobic fermentation main tank assembly 100 form a snap-fit ​​combined fermentation tank structure. In this way, on the one hand, it is convenient to quickly assemble the aerobic fermentation main tank assembly 100 and the aerobic fermentation end tank assembly 200, and on the other hand, it is convenient to disassemble the aerobic fermentation main tank assembly 100 and the aerobic fermentation end tank assembly 200, which facilitates the inspection and maintenance of the inside of the fermentation tank.

[0050] Based on the above, in order to solve the problem of fixed tank volume in the aerobic fermentation main tank assembly 100, the present invention provides an extended inner tank assembly 400 inside the aerobic fermentation main tank assembly 100. Through the synchronous extension of the extended inner tank assembly 400 within the tanks at both ends of the aerobic fermentation main tank assembly 100, the tank body of the aerobic fermentation main tank assembly 100 forms a tank structure with adjustable volume. Specifically, the extended inner tank assembly 400 is disposed inside the fermentation main tank 104, at which time the first inner tank 401 and the second inner tank... 405 slides inside both ends of the main fermentation tank 104, and the second toothed arm 407 and the first toothed arm 406 slide inside the U-shaped base 106. The second toothed arm 407 and the first toothed arm 406 also slide within the two side sliding grooves 108 on both sides of the U-shaped base 106. When the extended inner tank assembly 400 slides inside the main fermentation tank 104, the L-shaped side plate 404 is located on the outer wall of the main fermentation tank 104, and the traveling roller 403 rolls along the outer wall of the main fermentation tank 104. The second toothed arm 407 and... The first toothed arm 406 is disposed on both sides of the drive gear 110. The two sides of the drive gear 110 mesh with the first toothed arm 406 and the second toothed arm 407 respectively. Through the meshing of the drive gear 110 with the first toothed arm 406 and the second toothed arm 407, the first inner tank 401 and the second inner tank 405 slide synchronously at both ends inside the fermentation main tank 104 to expand the tank volume. In actual use, the second drive motor 109 drives the drive gear 110 to rotate. Through the meshing of the drive gear 110 with the first toothed arm 406 and the second toothed arm 407, the first inner tank 401 and the second inner tank 405 move outward synchronously at both ends inside the fermentation main tank 104. In this way, the tank volume of the aerobic fermentation main tank assembly 100 can be variably adjusted. At the same time, through this structure, the change in tank volume at both ends of the aerobic fermentation main tank assembly 100 is consistent, ensuring the consistency of the subsequent two sets of aerobic fermentation end tank assemblies 200 when used in combination at both ends of the aerobic fermentation main tank assembly 100.

[0051] Based on the above, to avoid tank deformation caused by excessive internal pressure during fermentation of the aerobic fermentation main tank assembly 100, a pressure relief assembly 500 is provided at the top of the aerobic fermentation main tank assembly 100. Through the automatic pressure relief of the pressure relief assembly 500, tank deformation of the aerobic fermentation main tank assembly 100 under high pressure during fermentation is prevented. Specifically, the bottom of the pressure relief chamber 501 is fixedly installed at the top of the pressure relief pipe 105. The pressure relief pipe 105 is connected to the inside of the pressure relief chamber 501 through the pressure relief hole 505. The top end of the pressure spring 503 abuts against the top of the pressure relief chamber 501, and the bottom end of the pressure spring 503 abuts against the pressure piston 504. The pressure spring 503 exerts pressure on the pressure piston. The top-pressing piston 504 pushes against the top-pressing ring platform 506. The contact between the top-pressing piston 504 and the top-pressing ring platform 506 blocks the air passage between the pressure relief hole 505 and the pressure relief side pipe 507. In actual use, when the internal pressure of the fermentation main tank 104 is too high, the excessive pressure overcomes the top pressure of the top-pressing spring 503 and pushes the top-pressing piston 504 upward in the pressure relief chamber 501. When the top-pressing piston 504 moves upward, it releases the top pressure blockage on the top-pressing ring platform 506. At this time, the air passage between the pressure relief hole 505 and the pressure relief side pipe 507 is connected. In this way, the safety of the aerobic fermentation main tank assembly 100 during fermentation is ensured.

[0052] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A modular combined horizontal aerobic fermentation tank for organic solid waste, comprising an aerobic fermentation main tank assembly (100), characterized in that: Both ends of the aerobic fermentation main tank assembly (100) are provided with aerobic fermentation end tank assemblies (200), and both sides of the aerobic fermentation main tank assembly (100) are provided with combined arm assemblies (300). The aerobic fermentation end tank assemblies (200) are inserted into the combined arm assemblies (300). Through the swinging extension and retraction of the combined arm assemblies (300), the two sets of aerobic fermentation end tank assemblies (200) are driven to form a combined fermentation tank structure that moves synchronously to a sealed docking at both ends of the aerobic fermentation main tank assembly (100). The fermentation main tank assembly (100) is provided with an extended inner tank assembly (400). Through the synchronous extension of the extended inner tank assembly (400) in the tanks at both ends of the aerobic fermentation main tank assembly (100), the tank body of the aerobic fermentation main tank assembly (100) forms a tank body structure with adjustable volume. The top of the aerobic fermentation main tank assembly (100) is provided with a pressure relief assembly (500). Through the automatic pressure relief of the pressure relief assembly (500), the tank body of the aerobic fermentation main tank assembly (100) is prevented from deforming under the high pressure environment inside the fermentation tank.

2. The modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 1, characterized in that: The aerobic fermentation main tank assembly (100) includes a main tank base (101), a base side arm (102), a first drive motor (103), a fermentation main tank (104), a pressure relief pipe (105), a U-shaped base (106), a seat groove (107), a side sliding groove (108), a second drive motor (109), and a drive gear (110). The fermentation main tank (104) is fixedly mounted on the top of the main tank base (101), the seat groove (107) is opened at the bottom of the main tank base (101), and the U-shaped base (106) is fixedly mounted on the seat groove (104). Inside the U-shaped base (106), side sliding grooves (108) are provided on both sides of the inner wall of the U-shaped base (106). Base side arms (102) are fixedly provided on both sides of the top of the main tank base (101). The first drive motor (103) is fixedly provided on one of the base side arms (102). The pressure relief pipe (105) is fixedly provided on the top of the fermentation main tank (104). The second drive motor (109) is fixedly provided on the bottom of the U-shaped base (106). The drive gear (110) is provided on the output shaft of the second drive motor (109).

3. The modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 2, characterized in that: The aerobic fermentation end tank assembly (200) includes a fermentation end tank (201), an end tank arm platform (202), and an arm platform insert (203). The fermentation end tank (201) is fixedly provided with end tank arm platforms (202) on both sides, and the arm platform insert (203) is fixedly provided on the end tank arm platform (202).

4. The modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 3, characterized in that: The combined arm assembly (300) includes a combined main gear (301), a combined main arm (302), a combined support arm (303), a combined support gear (304), a bracket (305), and a slot (306). There are four combined main gears (301), and a combined main arm (302) is fixedly mounted on each combined main gear (301). One end of the combined support arm (303) is rotatably mounted on the combined main arm (302), and a combined support gear (304) is fixedly mounted on the end of the combined support arm (303) away from the combined main arm (302). The bracket (305) is rotatably mounted on two combined support gears (304), and a slot (306) is provided on the bracket (305). The slot (306) matches the arm platform insert rod (203). The four combined main gears (301) are rotatably mounted on the inner wall of the base side arm (102), and at this time, two adjacent combined main gears (301) mesh with each other.

5. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 4, characterized in that: The extended inner tank assembly (400) includes a first inner tank (401), a sealing ring (402), a traveling roller (403), an L-shaped side plate (404), a second inner tank (405), a first geared arm (406), and a second geared arm (407). The second geared arm (407) is fixedly disposed at the bottom of the first inner tank (401), and the first geared arm (406) is fixedly disposed at the bottom of the second inner tank (405). A sealing ring (402) is provided at one end of both the first inner tank (401) and the second inner tank (405). The other end of each is provided with an L-shaped side plate (404), the walking roller (403) is provided on the L-shaped side plate (404), and the extended inner tank assembly (400) is provided inside the fermentation main tank (104). At this time, the first inner tank (401) and the second inner tank (405) slide inside the two ends of the fermentation main tank (104), the second toothed arm (407) and the first toothed arm (406) slide inside the U-shaped base (106), and the second toothed arm (407) and the first toothed arm (406) slide in the two side sliding grooves (108) on both sides of the U-shaped base (106).

6. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 5, characterized in that: The pressure relief assembly (500) includes a pressure relief chamber (501), a chamber rod (502), a top pressure spring (503), a top pressure piston (504), a pressure relief hole (505), a top pressure ring platform (506), and a pressure relief side pipe (507). The chamber rod (502) slides through the top of the pressure relief chamber (501). At this time, the top pressure piston (504) is fixedly installed at the bottom of the chamber rod (502), and the top pressure spring (503) is sleeved on the outside of the chamber rod (502). The bottom of the pressure relief chamber (501) is provided with a pressure relief side pipe (507) and a pressure relief hole (505). The top pressure ring platform (506) is fixedly installed at the bottom of the inner wall of the pressure relief chamber (501). The bottom of the pressure relief chamber (501) is fixedly installed at the top of the pressure relief pipe (105). At this time, the pressure relief pipe (105) is connected to the inside of the pressure relief chamber (501) through the pressure relief hole (505).

7. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 6, characterized in that: When the extended inner tank assembly (400) slides inside the fermentation main tank (104), the L-shaped side plate (404) is located on the outer wall of the fermentation main tank (104), the traveling roller (403) rolls along the outer wall of the fermentation main tank (104), the second toothed arm (407) and the first toothed arm (406) are arranged on both sides of the drive gear (110), and the two sides of the drive gear (110) mesh with the first toothed arm (406) and the second toothed arm (407) respectively. Through the meshing of the drive gear (110) with the first toothed arm (406) and the second toothed arm (407), the first inner tank (401) and the second inner tank (405) slide synchronously at both ends inside the fermentation main tank (104) to expand the tank volume.

8. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 7, characterized in that: The fermentation tank (201) is inserted into the slot (306) on the bracket (305) via the arm support rod (203). The aerobic fermentation tank assembly (200) is supported on the combined arm assembly (300) via the bracket (305). The output shaft of the first drive motor (103) is connected to a combined main gear (301).

9. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 8, characterized in that: The two combined support gears (304) on the trailer (305) mesh with each other, and the two adjacent combined main gears (301) mesh with each other. When the combined main arm (302) on the combined main gear (301) swings inward, the combined main arm (302) drives the combined support arm (303) to swing inward. At this time, the combined main arm (302) and the combined support arm (303) form a linear extension arm structure.

10. A modular combined horizontal aerobic fermentation tank for organic solid waste according to claim 9, characterized in that: The top end of the pressure spring (503) abuts against the top of the pressure relief chamber (501), and the bottom end of the pressure spring (503) abuts against the pressure piston (504). Through the pushing of the pressure spring (503) against the pressure piston (504), the pressure piston (504) abuts against the pressure ring platform (506). Through the abutment of the pressure piston (504) on the pressure ring platform (506), the air passage between the pressure relief hole (505) and the pressure relief side pipe (507) is blocked.

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