Combined mechanical ventilation fermentation tank

Abstract

The utility model relates to the technical field of fermentation tanks, and discloses a combined mechanical ventilation fermentation tank which comprises a base and a fermentation tank body fixedly mounted in the middle of the top of the base, a translation plate is arranged at the upper part, close to the left side, of the top of the fermentation tank body, and a hydraulic cylinder is fixedly mounted in the middle of the top of the translation plate; through the mutual cooperation of the side plates, the threaded rods, the threaded sleeves, the fixed rods, the driven gears, the driving gears and the servo motors A, the translation plates can be driven to move left and right back and forth above the fermentation tank, so that the follow-up material turning work is facilitated; through mutual cooperation of a protective shell, a rotating shaft, a belt, a material overturning disc, a transmission rod, a movable gear, fan blades and a fixed rack plate, the material overturning disc can be driven to move in the fermentation tank under the moving action of a translation plate, raw materials are overturned and better fermented, and the material overturning disc can be driven to rotate in the moving process, so that the material overturning effect is improved. And the material turning effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fermentation tank, concretely is a combined mechanical ventilation fermentation tank. BACKGROUND

[0002] ‌Combined mechanical fermentation tank is a kind of equipment that combines fermentation and drying function, mainly used to handle organic waste, such as livestock and poultry manure, domestic sludge and kitchen garbage etc., and converts it into organic fertilizer raw material by the action of microorganism, realizes the resource utilization of organic waste‌.

[0003] The existing fermentation tank lacks the component for turning over the organic waste during use, resulting in low efficiency during fermentation, and the contact rate of the waste located at the lower part with oxygen is low, affecting the uniformity of fermentation, in addition, the waste is not fully contacted with oxygen, which is in anaerobic state, anaerobic fermentation produces unpleasant ammonia gas, pollutes the environment, damages the health of operating personnel, and causes nitrogen element loss.

[0004] Therefore, we propose a combined mechanical ventilation fermentation tank to solve the problems mentioned above. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a combined mechanical ventilation fermentation tank to solve the problems mentioned in the background.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a combined mechanical ventilation fermentation tank, including base and fermentation tank body fixedly installed at the top middle part of base, the top of fermentation tank body is provided with translation plate near left side, the middle part of the top of translation plate is fixedly installed with hydraulic cylinder, the power end of hydraulic cylinder is slidably extended to the outside of translation plate, and is fixedly installed with adjusting plate, the bottom of adjusting plate is installed with turnover assembly, and the rear side of fermentation tank body is installed with moving assembly near top, the right side of fermentation tank body is installed with shielding assembly near bottom, the top of adjusting plate is fixedly installed with air heater near front side, and the bottom of adjusting plate is provided with spray pipe near the lower part of right side, the input end of air heater is fixedly extended to the inner cavity of spray pipe in sequence, and the bottom of spray pipe is fixedly installed with several spray heads at equal intervals.

[0007] The turnover assembly comprises a protective shell fixedly installed at the bottom of the adjusting plate near the front and rear sides and a rotating shaft arranged near the bottom of the opposite side of the protective shell, cavities are formed in the protective shell, openings are formed in the upper part of the opposite side of the protective shell, the front and rear ends of the rotating shaft are movably and extendingly penetrated into the cavities of the adjacent cavities, a plurality of turnover discs are fixedly installed on the outer side of the rotating shaft at equal intervals, a transmission rod is arranged at the upper part of the opposite side of the protective shell, the front and rear ends of the transmission rod are movably and extendingly penetrated into the cavities of the cavities and pass through the cavities of the adjacent openings, respectively, movable gears are fixedly installed at the front and rear ends of the transmission rod, respectively, fixed racks are arranged at the bottom of the movable gears, respectively, and the bottom of the fixed racks is fixedly installed on the body of the fermentation tank.

[0008] Preferably, the middle part of the opposite side of the movable gear is fixedly installed with a fan blade.

[0009] Preferably, a first single-groove wheel is fixedly sleeved on the outer side of the rotating shaft near the front and rear ends, respectively, a second single-groove wheel is arranged above the first single-groove wheel, respectively, a belt is jointly sleeved on the outer side of the first single-groove wheel and the adjacent second single-groove wheel, respectively, and the second single-groove wheel is fixedly sleeved on the transmission rod, respectively, and the belt is arranged in the cavity of the adjacent cavity.

[0010] Preferably, a material collecting groove is fixedly installed on the top of the base near the front and rear sides.

[0011] Preferably, the moving assembly comprises two side plates fixedly installed on the rear side of the body of the fermentation tank near the top and a threaded rod arranged between the side plates, the right end of the threaded rod is movably installed on the adjacent side plate, the left end of the threaded rod movably and extendingly penetrates to the outer side of the adjacent side plate, a threaded sleeve is threadedly installed on the output shaft of the threaded rod, a fixed rod is fixedly installed on the middle part of the top of the threaded sleeve, the upper end of the fixed rod is fixedly installed on the translation plate, a driven gear is fixedly sleeved on the output end of the threaded rod, a driving gear is engaged with the front side of the driven gear, a servo motor A is arranged on the left side of the driving gear, a support frame is fixedly installed on the bottom of the servo motor A, the right side of the support frame is fixedly installed on the body of the fermentation tank, and the driving gear is fixedly sleeved on the output shaft of the servo motor A.

[0012] Preferably, a vertical rod is fixedly installed on the bottom of the translation plate near the front side, a guide block is fixedly installed on the lower end of the vertical rod, a guide rod is slidably and extendingly installed on the middle part of the guide block, fixed plates are fixedly installed on the left and right ends of the guide rod, respectively, and the rear sides of the fixed plates are fixedly installed on the outer sides of the body of the fermentation tank.

[0013] Preferably, the shielding assembly includes an L-shaped bearing plate fixedly installed at the right side of the fermentation tank body near the bottom and a support plate fixedly installed at the right side of the L-shaped bearing plate near the top, the bottom of the support plate is fixedly installed with a servo motor B, the output end of the servo motor B is fixedly installed with a worm, the left end of the worm extends to the inner side of the L-shaped bearing plate, the bottom of the worm is engaged with a worm gear, the upper middle part of the worm gear is fixedly installed with a rotating rod, the outer side of the rotating rod near the front and rear ends is respectively fixedly sleeved with a reciprocating lead screw B and a reciprocating lead screw A, and the outer sides of the reciprocating lead screw A and the reciprocating lead screw B are respectively movably installed with a lead screw nut, two shielding plates are arranged above the top of the translation plate, and the shielding plates are arranged front and rear.

[0014] Preferably, the rotating rod is movably installed with vertical plates at the front and rear ends, and the bottoms of the vertical plates are fixedly installed on the base.

[0015] Preferably, the top of the lead screw nut is fixedly installed with L-shaped rods at the middle part, and the ends of the L-shaped rods away from the adjacent lead screw nuts are fixedly installed on the adjacent shielding plates.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. Through the cooperation between the side plate, the threaded rod, the threaded sleeve, the fixed rod, the driven gear, the driving gear and the servo motor A, the translation plate can be driven to move back and forth above the fermentation tank, which is beneficial to the subsequent material turning work, and through the cooperation between the protection shell, the rotating shaft, the belt, the material turning disc, the transmission rod, the movable gear, the fan blade and the fixed rack plate, the material turning disc can be driven to move in the fermentation tank under the movement of the translation plate, the material turning of the raw materials is realized, the raw materials can be better fermented, and the material turning disc can also be driven to rotate in the movement process, and the material turning effect is better.

[0018] 2. Through the cooperation between the L-shaped bearing plate, the servo motor B, the worm, the worm gear, the rotating rod, the reciprocating lead screw A, the reciprocating lead screw B, the lead screw nut, the L-shaped rod and the shielding plate, the shielding plate can be driven to move relatively or away from each other, that is, the shielding above the fermentation tank during the material turning can be realized, the splashing phenomenon in the material turning process is avoided, and the use effect of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall perspective view of the utility model;

[0020] Figure 2 It is the rear side view perspective view of the utility model;

[0021] Figure 3 It is the local rear side view perspective view of the utility model;

[0022] Figure 4 It is a partial bottom view of the threaded rod of the utility model;

[0023] Figure 5 It is a partial structure perspective view of the turnover disc of the utility model;

[0024] Figure 6 It is a partial section expansion perspective view of the protective shell of the utility model;

[0025] Figure 7 It is a partial structure perspective view of the Figure 4 enlarged view of A;

[0026] Figure 8 It is a partial structure perspective view of the Figure 4 enlarged view of B.

[0027] In the figure: 1, base; 11, material collecting groove; 2, fermentation pool body; 3, translation plate; 31, vertical rod; 32, guide block; 33, guide rod; 34, fixed plate; 4, hydraulic cylinder; 5, adjusting plate; 6, turnover assembly; 61, protective shell; 62, rotating shaft; 621, belt; 63, turnover disc; 64, transmission rod; 65, movable gear; 651, fan blade; 66, fixed rack plate; 7, moving assembly; 71, side plate; 72, threaded rod; 73, threaded sleeve; 74, fixed rod; 75, driven gear; 76, driving gear; 77, servo motor A; 8, shielding assembly; 81, L-shaped bearing plate; 82, servo motor B; 83, worm; 84, worm wheel; 85, rotating rod; 851, vertical plate; 86, reciprocating screw rod A; 87, reciprocating screw rod B; 88, screw nut; 881, L-shaped rod; 89, shielding plate; 9, hot air blower; 10, spray pipe; 20, spray head. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Embodiment 1

[0030] Please refer to Figures 1-8The utility model provides a kind of combined mechanical ventilation fermentation tank, including base 1 and fixedly installed at the top middle part of base 1 fermentation tank body 2, the top of fermentation tank body 2 is close to the upper side of left side and is provided with translation plate 3, the middle part of the top of translation plate 3 is fixedly installed with hydraulic cylinder 4, the power end of hydraulic cylinder 4 slidingly extends to the outside of translation plate 3, and is fixedly installed with adjusting plate 5, adjusting plate 5 is installed with turnover assembly 6 on the bottom, and the rear side of fermentation tank body 2 is close to the top and is installed with moving assembly 7, the right side of fermentation tank body 2 is close to the bottom and is installed with shielding assembly 8, hot air machine 9 is fixedly installed on the top of adjusting plate 5 close to the front side, and the bottom of adjusting plate 5 is close to the lower side of right side and is provided with spout pipe 10, the input of hot air machine 9 is sequentially fixedly extended into the inner cavity of spout pipe 10, the bottom of spout pipe 10 is fixedly installed with several spray heads 20 at equal intervals, the raw materials in fermentation tank body 2 can be turned over by the mutual cooperation of turnover assembly 6 and moving assembly 7, and the setting of shielding assembly 8 can play the role of protection.

[0031] Turnover assembly 6 includes respectively fixedly installed in the bottom of adjusting plate 5 close to front and back side protection shell 61 and be provided with pivot 62 on the opposite side of protection shell 61 close to lower side, and respectively open cavity on protection shell 61, respectively open opening on the upper side of the opposite side of protection shell 61, the front and back ends of pivot 62 respectively movably extend to the inner cavity of adjacent cavity, and the outer side of pivot 62 is fixedly installed with several turnover discs 63 at equal intervals, the upper side of the opposite side of protection shell 61 is commonly provided with transmission rod 64, the front and back ends of transmission rod 64 respectively movably extend to the inner cavity of cavity and respectively pass through the inner cavity of adjacent opening, respectively fixedly installed with movable gear 65 at the front and back ends of transmission rod 64, respectively provided with fixed rack plate 66 at the bottom of movable gear 65 lower side, the bottom of fixed rack plate 66 is respectively fixedly installed on fermentation tank body 2, the raw materials in fermentation tank body 2 can be turned over, and the efficiency of fermentation is improved.

[0032] The middle part of the opposite side of movable gear 65 is respectively fixedly installed with fan blade 651, can drive fan blade 651 to rotate when turning over, and the rate of air circulation outside fermentation tank body 2 is accelerated.

[0033] The outer side of pivot 62 is close to the front and back ends and is respectively fixedly sleeved with first single-groove wheel, and the upper side of first single-groove wheel is respectively provided with second single-groove wheel, the outer side of first single-groove wheel and adjacent second single-groove wheel is commonly sleeved with belt 621, and second single-groove wheel is respectively fixedly sleeved on transmission rod 64, and belt 621 is respectively located in the inner cavity of adjacent cavity, can drive pivot 62 and transmission rod 64 synchronous rotation.

[0034] The top of base 1 is close to the front and back side and is respectively fixedly installed with material collecting groove 11, and plays the role of material collection.

[0035] The moving assembly 7 comprises two side plates 71 fixedly installed at the rear side of the fermentation tank body 2 near the top and a threaded rod 72 arranged between the side plates 71, the right end of the threaded rod 72 is movably installed on the adjacent side plate 71, and the left end of the threaded rod 72 is movably extended to the outside of the adjacent side plate 71 respectively, a threaded sleeve 73 is threadedly installed on the output shaft of the threaded rod 72, a fixed rod 74 is fixedly installed at the middle of the top of the threaded sleeve 73, the upper end of the fixed rod 74 is fixedly installed on the translation plate 3, a driven gear 75 is fixedly sleeved on the output end of the threaded rod 72, a driving gear 76 is engaged with the front side of the driven gear 75, a servo motor A 77 is arranged on the left side of the driving gear 76, a support frame is fixedly installed on the bottom of the servo motor A 77, the right side of the support frame is fixedly installed on the fermentation tank body 2, and the driving gear 76 is fixedly sleeved on the output shaft of the servo motor A 77, which can drive the translation plate 3 to move left and right, facilitating better unfolding of the material turning work.

[0036] A vertical rod 31 is fixedly installed at the bottom of the translation plate 3 near the front side, a guide block 32 is fixedly installed at the lower end of the vertical rod 31, a guide rod 33 is slidably installed at the middle of the guide block 32, fixed plates 34 are fixedly installed at the left and right ends of the guide rod 33 respectively, and the rear sides of the fixed plates 34 are fixedly installed on the outside of the fermentation tank body 2, which plays a guiding and limiting role when the translation plate 3 moves, enabling it to move stably.

[0037] In this embodiment: in use, waste can be placed in the fermentation tank body 2 for fermentation, and the material can be turned over during fermentation to make the contact effect of the material with oxygen better. The servo motor A 77 can be operated to drive the threaded rod 72 to rotate, the threaded rod 72 rotates to drive the threaded sleeve 73 to move right, the threaded sleeve 73 moves right to drive the translation plate 3 to move right through the fixed rod 74, the translation plate 3 moves right to drive the adjusting plate 5 to move synchronously, and the hydraulic cylinder 4 can be operated when the servo motor A 77 is started, the hydraulic cylinder 4 operates to drive the adjusting plate 5 to move down, which drives the turning plate 63 to move down at this time, and the hydraulic cylinder 4 stops operating when the movable gear 65 engages with the adjacent fixed rack plate 66, the translation plate 3 moves to drive the movable gear 65 to move on the top of the adjacent fixed rack plate 66, which drives the movable gear 65 to rotate, the movable gear 65 rotates to drive the transmission rod 64 to rotate, the transmission rod 64 rotates to drive the rotating shaft 62 to rotate through the belt 621, the rotating shaft 62 rotates to drive the turning plates 63 to rotate, which turns over the material in the fermentation tank body 2, improving the efficiency of fermentation.

[0038] Embodiment 2

[0039] This embodiment is an improvement based on embodiment 1, for details, please refer to Figures 1-4 andFigure 7 The shielding assembly 8 comprises an L-shaped bearing plate 81 fixedly installed at the right side of the fermentation tank body 2 close to the bottom and a support plate fixedly installed at the right side of the L-shaped bearing plate 81 close to the top, the bottom of the support plate is fixedly installed with a servo motor B 82, the output end of the servo motor B 82 is fixedly installed with a worm 83, the left end of the worm 83 extends to the inner side of the L-shaped bearing plate 81 movably, the bottom of the worm 83 is engaged with a worm gear 84, the upper middle part of the worm gear 84 is fixedly installed with a rotating rod 85, the outer side of the rotating rod 85 is fixedly sleeved with a reciprocating lead screw B 87 and a reciprocating lead screw A 86 close to the front and rear ends respectively, and the outer sides of the reciprocating lead screw A 86 and the reciprocating lead screw B 87 are movably installed with lead screw nuts 88, two shielding plates 89 are arranged above the top of the translation plate 3, the shielding plates 89 are arranged front and rear, can drive the front and rear shielding plates 89 to move synchronously, realize the protection function in the turning process, avoid the material splashing.

[0040] The front and rear ends of the rotating rod 85 are movably installed with vertical plates 851 respectively, and the bottoms of the vertical plates 851 are fixedly installed on the base 1 respectively, which is beneficial to support and limit the rotating rod 85.

[0041] The middle part of the top of the lead screw nut 88 is fixedly installed with an L-shaped rod 881 respectively, and the end of the L-shaped rod 881 away from the adjacent lead screw nut 88 is fixedly installed on the adjacent shielding plate 89, which is beneficial to drive the shielding plate 89 to move synchronously with the lead screw nut 88.

[0042] In this embodiment: when turning the material, the servo motor B 82 can be operated, the servo motor B 82 can drive the worm 83 to rotate when it is operated, the worm 83 can drive the rotating rod 85 to rotate through the worm gear 84 when it rotates, the rotating rod 85 can drive the reciprocating lead screw A 86 and the reciprocating lead screw B 87 to rotate synchronously when it rotates, and the reciprocating lead screw A 86 and the reciprocating lead screw B 87 can drive the adjacent lead screw nut 88 to move relatively when they rotate synchronously, at this time, the front and rear shielding plates 89 can be driven to move relatively through the adjacent L-shaped rods 881, so as to realize the shielding of the upper side of the fermentation tank body 2, avoid the material splashing when turning the material, and reverse operation after turning the material to move the shielding plates 89 to the outer side of the fermentation tank body 2.

[0043] Working principle: in use, waste can be placed in the fermentation tank body 2 for fermentation, and the raw materials can be stirred during fermentation to make the raw materials contact with oxygen better, the threaded rod 72 can be driven to rotate by the operation of the servo motor A77, the threaded rod 72 rotates and drives the threaded sleeve 73 to move to the right, the threaded sleeve 73 moves to the right and drives the translation plate 3 to move to the right through the fixed rod 74, the translation plate 3 moves to the right and can drive the adjusting plate 5 to move synchronously, and the hydraulic cylinder 4 can be operated when the servo motor A77 is started, the hydraulic cylinder 4 operates and drives the adjusting plate 5 to move downward, at this time, the stirring disc 63 can be driven to move downward, and when the movable gear 65 is engaged with the adjacent fixed rack plate 66, the hydraulic cylinder 4 stops running, the movable gear 65 moves on the top of the adjacent fixed rack plate 66 with the movement of the translation plate 3, the movable gear 65 rotates, the transmission rod 64 rotates and drives the shaft 62 to rotate through the belt 621, the shaft 62 rotates and drives the stirring discs 63 to rotate, the raw materials in the fermentation tank body 2 can be stirred, and the efficiency of fermentation is improved, in addition, the servo motor B82 can be operated during stirring, the worm 83 can be driven to rotate when the servo motor B82 is operated, the worm 83 rotates and drives the rotating rod 85 to rotate through the worm wheel 84, the rotating rod 85 rotates and drives the reciprocating lead screw A86 and the reciprocating lead screw B87 to rotate synchronously, the adjacent lead screw nuts 88 move relatively when the reciprocating lead screw A86 and the reciprocating lead screw B87 rotate synchronously, at this time, the front and rear shielding plates 89 can be driven to move relatively through the adjacent L-shaped rods 881, so that the upper part of the fermentation tank body 2 is shielded, and the material splashing during stirring is avoided, and the shielding plates 89 can be moved to the outside of the fermentation tank body 2 in reverse operation after stirring is completed.

[0044] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0045] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A combined mechanical ventilation fermenter comprising a base (1) and a fermenter body (2) fixedly installed at the top middle of the base (1), characterized in that: The translation plate (3) is provided at the top of the fermentation tank body (2) near the left side, the hydraulic cylinder (4) is fixedly installed at the middle of the top of the translation plate (3), the power end of the hydraulic cylinder (4) is slidably extended to the outside of the translation plate (3), the adjusting plate (5) is fixedly installed, the turnover assembly (6) is installed at the bottom of the adjusting plate (5), the moving assembly (7) is installed at the rear side of the fermentation tank body (2) near the top, the shielding assembly (8) is installed at the right side of the fermentation tank body (2) near the bottom, the hot air machine (9) is fixedly installed at the top of the adjusting plate (5) near the front side, the ejection pipe (10) is arranged at the bottom of the adjusting plate (5) near the right side, the input end of the hot air machine (9) is fixedly extended into the inner cavity of the ejection pipe (10) in sequence, and the ejection pipe (10) is fixedly installed at the bottom of the ejection pipe (10) at equal intervals. The turnover assembly (6) comprises a protective shell (61) and a rotating shaft (62), the protective shell (61) is fixedly installed at the front and rear sides of the bottom of the adjusting plate (5), and the rotating shaft (62) is arranged at the lower side of the opposite side of the protective shell (61), cavities are formed in the protective shell (61), openings are formed in the upper side of the opposite side of the protective shell (61), the front and rear ends of the rotating shaft (62) are movably extended into the inner cavities of adjacent cavities, a plurality of turnover discs (63) are fixedly installed on the outer side of the rotating shaft (62) at equal intervals, a transmission rod (64) is arranged at the upper side of the opposite side of the protective shell (61), the front and rear ends of the transmission rod (64) are movably extended into the inner cavities of the cavities and pass through the inner cavities of adjacent openings, respectively, movable gears (65) are fixedly installed at the front and rear ends of the transmission rod (64), respectively, fixed rack plates (66) are arranged at the bottom of the movable gears (65), and the fixed rack plates (66) are fixedly installed on the fermentation tank body (2).

2. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: The opposite sides of the movable gears (65) are fixedly installed with fan blades (651) at the middle portions thereof.

3. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: First single-groove wheels are fixedly sleeved on the outer sides of the rotating shaft (62) near the front and rear ends, respectively, second single-groove wheels are arranged above the first single-groove wheels, respectively, belts (621) are jointly sleeved on the outer sides of the first single-groove wheels and adjacent second single-groove wheels, respectively, the second single-groove wheels are fixedly sleeved on the transmission rod (64), respectively, and the belts (621) are located in the inner cavities of adjacent cavities.

4. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: The top of the base (1) is fixedly installed with material collecting grooves (11) near the front and rear sides.

5. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: The mobile assembly (7) comprises two side plates (71) fixedly installed at the rear side of the fermentation tank body (2) near the top and a threaded rod (72) arranged between the side plates (71), the right end of the threaded rod (72) is movably installed on the adjacent side plate (71), and the left end of the threaded rod (72) extends to the outside of the adjacent side plate (71), respectively, a threaded sleeve (73) is threadedly installed on the output shaft of the threaded rod (72), a fixed rod (74) is fixedly installed at the middle of the top of the threaded sleeve (73), the upper end of the fixed rod (74) is fixedly installed on the translation plate (3), a driven gear (75) is fixedly sleeved on the output end of the threaded rod (72), a driving gear (76) is engaged with the front side of the driven gear (75), a servo motor A (77) is arranged on the left side of the driving gear (76), a support frame is fixedly installed on the bottom of the servo motor A (77), the right side of the support frame is fixedly installed on the fermentation tank body (2), and the driving gear (76) is fixedly sleeved on the output shaft of the servo motor A (77).

6. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: The bottom of the translation plate (3) is fixedly installed with a vertical rod (31) near the front side, the lower end of the vertical rod (31) is fixedly installed with a guide block (32), the middle of the guide block (32) is slidably penetrated and installed with a guide rod (33), the left and right ends of the guide rod (33) are respectively fixedly installed with fixed plates (34), and the rear sides of the fixed plates (34) are respectively fixedly installed on the outside of the fermentation tank body (2).

7. A combined mechanically ventilated fermentation tank according to claim 1, characterized in that: The shielding assembly (8) comprises an L-shaped bearing plate (81) fixedly installed on the right side of the fermentation tank body (2) near the bottom and a support plate fixedly installed on the right side of the L-shaped bearing plate (81) near the top, the bottom of the support plate is fixedly installed with a servo motor B (82), the output end of the servo motor B (82) is fixedly installed with a worm (83), the left end of the worm (83) movably extends to the inside of the L-shaped bearing plate (81), the bottom of the worm (83) is engaged with a worm gear (84), the middle of the worm gear (84) is fixedly penetrated and installed with a rotating rod (85), the outer sides of the rotating rod (85) near the front and rear ends are respectively fixedly sleeved with a reciprocating screw rod B (87) and a reciprocating screw rod A (86), and the outer sides of the reciprocating screw rod A (86) and the reciprocating screw rod B (87) are movably installed with screw nuts (88), two shielding plates (89) are arranged above the top of the translation plate (3), and the shielding plates (89) are arranged front and rear.

8. A combined mechanically ventilated fermentation tank according to claim 7, characterized in that: The front and rear ends of the rotating rod (85) are movably installed with vertical plates (851), respectively, and the bottoms of the vertical plates (851) are fixedly installed on the base (1), respectively.

9. A combined mechanically ventilated fermentation tank according to claim 7, characterized in that: The middle of the top of the screw nut (88) is fixedly installed with an L-shaped rod (881), respectively, and the end of the L-shaped rod (881) away from the adjacent screw nut (88) is fixedly installed on the adjacent shielding plate (89).

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