High-capacity culture medium heating and stirring device

Abstract

The utility model discloses a high-capacity culture medium heating and stirring device, and belongs to an edible fungus fermentation device. A stirring chamber and a multi-stage transmission device are arranged on the rack, a stirring mechanism is rotatably connected into the stirring chamber, the multi-stage transmission device drives the stirring mechanism to rotate, an air supply pipe is arranged outside the stirring chamber, a plurality of air outlets communicated with the stirring chamber are formed in the air supply pipe, a discharging mechanism is arranged on one side of the stirring chamber, and a water tank is arranged at the bottom of the stirring chamber. The driving mechanism is simple in structure and convenient to use, the multi-stage transmission device, the air supply pipe and the water tank are additionally arranged, the output torque of the driving mechanism is greatly improved, batched stirring treatment of solid culture media of more than 15 cubic meters is achieved, and the fermentation period of the culture media is shortened. The device is mainly used for heating and mixing culture medium raw materials.

Description

TECHNICAL FIELD

[0001] The utility model belongs to edible fungus fermentation device, concretely speaking, especially relate to a large capacity culture medium heating stirring device. BACKGROUND

[0002] The solid culture medium is mainly mixed by agricultural wastes such as crop straw, sawdust, cotton seed hull and corn cob. Part of edible fungi needs to be fermented in advance when planting, and the natural fermentation cycle of the solid culture medium is long, so the fermentation equipment is needed to shorten the fermentation time, thereby improving the production efficiency.

[0003] The Chinese patent with the authorized announcement number "CN221996287U" discloses a kind of edible fungus strain raw material screening pre-wetting device, including lower support, lower support connects upper support, and water spraying mechanism and raw material stirring tank are installed on upper support, the output shaft of speed reducer motor is connected with stirrer, and stirrer is rotatably installed in raw material stirring tank, and raw material stirring tank is rotatably connected with one end of discharge bin door by hinge, and discharge bin door and raw material stirring tank all include support framework, inner screen, shell, support framework connects inner screen outer wall and shell inner wall, discharge cylinder one end is rotatably connected to the bottom of discharge bin door, and the other end of discharge cylinder is rotatably connected to lower support.The device directly uses inner screen as the inner shell of raw material stirring tank to effectively increase the water leakage area, prevent the occurrence of material blockage, and discharge cylinder can drive discharge bin door to rotate and open, so that material is quickly discharged from the bottom side of raw material stirring tank.

[0004] Although the above-mentioned patent solves the screening and pre-wetting of strain raw materials, there are still the following problems in actual use: 1. The fermentation of strain raw materials, i.e. culture medium, requires a certain temperature condition. If the temperature is too low, the fermentation period of the culture medium is long, and the culture medium is not evenly fermented, which will affect the subsequent planting of edible fungi. The above-mentioned device only stirs and cannot shorten the fermentation time of the culture medium; 2. The above-mentioned device only performs pre-wetting operation and lacks the addition of ventilation volume, which is not conducive to microbial respiration and metabolic product accumulation. UTILITY MODEL CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a large capacity culture medium heating stirring device, which is simple in structure, easy to use, has a multi-stage transmission device, a gas supply pipe and a water tank, greatly improves the output torque of the driving mechanism, realizes batch stirring treatment of more than 15 cubic solid culture medium, and shortens the fermentation period of the culture medium.

[0006] The large-capacity medium heating and stirring device comprises a rack, a stirring chamber and a multi-stage transmission device arranged on the rack, a stirring mechanism rotatably connected in the stirring chamber, the multi-stage transmission device driving the stirring mechanism to rotate, a gas supply pipe arranged outside the stirring chamber, a plurality of gas outlets arranged on the gas supply pipe and communicated with the stirring chamber, a discharging mechanism arranged on one side of the stirring chamber, and a water tank arranged at the bottom of the stirring chamber.

[0007] Preferably, the stirring chamber comprises a shell, a feeding port arranged at the top of the shell, and an arc-shaped structure arranged at the bottom of the shell and matched with the stirring mechanism, the discharging mechanism being communicated with the arc-shaped structure.

[0008] Preferably, the water tank is provided with a water inlet pipe and a water outlet pipe at two ends of the bottom thereof, a plurality of baffles are fixedly connected to the bottom of the water tank, the baffles are arranged at equal intervals, the upper end of each baffle is fixedly connected to the bottom of the arc-shaped structure, and at least one flow-through hole is arranged in each baffle.

[0009] Preferably, the discharging mechanism comprises a discharging pipe and a telescopic mechanism, the telescopic mechanism is fixedly connected to the rack, an upper chute is arranged in the discharging pipe, a shutter is fixedly connected to the extending end of the telescopic mechanism, and the shutter is slidably connected to the upper chute.

[0010] Preferably, the longitudinal section of the discharging pipe is in a rectangular structure, the discharging pipe is communicated with the stirring chamber, a slide rail is fixedly connected to the inner side wall on each side of the discharging pipe, a side chute corresponding to the upper chute is arranged in the slide rail, and the two sides of the shutter are slidably arranged in the side chute.

[0011] Preferably, the stirring mechanism comprises a stirring shaft, the two ends of the stirring shaft are rotatably connected to the stirring chamber, at least one set of stirring blades is arranged on the stirring shaft, and the stirring blades are in a spiral structure.

[0012] Preferably, the stirring blades are in two sets, the two sets of stirring blades are symmetrically arranged, and the stirring blades are fixedly connected to the stirring shaft through a reinforcing rod.

[0013] Preferably, the multi-stage transmission device comprises a driving mechanism fixedly connected to the rack, a driving wheel arranged at the output end of the driving mechanism, and at least one transmission assembly arranged in transmission connection between the driving wheel and the stirring mechanism.

[0014] Preferably, the diameter of the power output wheel of each transmission assembly is greater than the diameter of the power input wheel.

[0015] Preferably, the transmission assembly is four-stage, the four-stage transmission assembly comprises rotating shaft one, rotating shaft two, rotating shaft three and rotating shaft four which are respectively rotatably connected with the frame, two ends of the rotating shaft one are respectively fixedly connected with the first-stage transmission wheel and the second-stage transmission wheel one, two ends of the rotating shaft two are respectively fixedly connected with the second-stage transmission wheel two and the third-stage transmission wheel one, two ends of the rotating shaft three are respectively fixedly connected with the third-stage transmission wheel two and the fourth-stage transmission wheel one, and the rotating shaft four is fixedly connected with the fourth-stage transmission wheel two, the first-stage transmission wheel is in transmission connection with the driving wheel, the second-stage transmission wheel one is in transmission connection with the second-stage transmission wheel two, the third-stage transmission wheel one is in transmission connection with the third-stage transmission wheel two, and the fourth-stage transmission wheel one is in transmission connection with the fourth-stage transmission wheel two.

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

[0017] 1、The utility model discloses a water tank for heating is added in the bottom of the stirring chamber, and the gas supply pipe for supplementing oxygen is added to one side of the stirring chamber, so that the culture medium raw materials can be heated and the ventilation volume can be increased synchronously during the stirring process, the temperature and the ventilation volume of the culture medium raw materials after mixing are all up to the standard, and the fermentation period is greatly shortened during the subsequent culture medium fermentation process, and the production efficiency is improved.

[0018] 2、The top of the stirring chamber is of an open structure, so that the ventilation volume can be further increased during the stirring process of the culture medium raw materials, sufficient conditions are provided for the subsequent culture of microorganisms, the bottom of the shell is of an arc-shaped structure matched with the stirring mechanism, the arc-shaped structure is more matched with the stirring blade of the stirring mechanism in rotation, so that the culture medium raw materials at the bottom of the stirring chamber can fully participate in the stirring, and the mixing efficiency and the mixing quality of the culture medium raw materials are improved.

[0019] 3、The water tank bottom is additionally provided with a plurality of baffles, the plurality of baffles are equidistantly arranged, the baffles increase the supporting strength of the water tank, meanwhile, the baffles have certain blocking effect and can prolong the heat exchange time of hot water and the stirring chamber, thereby improving the heat exchange efficiency, the bottom of the baffle is provided with a flow-through hole, the flow-through hole does not hinder the circulation and flow-through of hot water, and use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a front structure schematic view of the utility model;

[0021] Figure 2 It is a back structure schematic view of the utility model;

[0022] Figure 3 It is a bottom structure schematic view of the utility model;

[0023] Figure 4 It is an internal structure schematic view of the utility model;

[0024] Figure 5 It is a structure schematic view of the stirring mechanism;

[0025] Figure 6 is a front view of the stirring mechanism;

[0026] Figure 7 is a structural schematic view of the multi-stage transmission device;

[0027] Figure 8 is a structural schematic view of the discharging mechanism;

[0028] Figure 9 is a connection schematic view of the shutter and the telescopic mechanism;

[0029] Figure 10 is a connection schematic view of the stirring chamber and the water tank.

[0030] In the figure, 1, frame; 2, discharging mechanism; 201, discharging pipe; 202, upper chute; 203, slide rail; 204, shutter; 205, telescopic mechanism;

[0031] 3, stirring chamber; 301, air supply pipe; 302, air outlet; 303, shell; 304, arc structure;

[0032] 4, stirring mechanism; 401, stirring shaft; 402, stirring blade; 403, reinforcing rod;

[0033] 5, water tank; 501, water inlet pipe; 502, water outlet pipe; 503, baffle; 504, flow-through hole;

[0034] 6, multi-stage transmission device; 601, driving mechanism; 602, first-stage transmission wheel; 603, second-stage transmission wheel two; 604, second-stage transmission wheel one; 605, third-stage transmission wheel one; 606, third-stage transmission wheel two; 607, fourth-stage transmission wheel one; 608, fourth-stage transmission wheel two. DETAILED DESCRIPTION

[0035] The utility model will be further explained in combination with the drawings:

[0036] The orientation terms involved in the paragraphs of detailed description are only for the convenience of the person skilled in the art to understand the technical solutions recorded in the application according to the visual orientation shown in the drawings. Except for explicit provisions and limitations, the terms "set", "install", "connect" and the like should be understood broadly, and the person skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0037] For example, Figures 1 to 10As shown, the large capacity medium heating and stirring device comprises a rack 1, which serves as support and fixation, a stirring chamber 3 and a multi-stage transmission device 6 are arranged on the rack 1, the stirring chamber 3 is fixedly connected with the rack 1, and the stirring chamber 3 is used for containing various medium raw materials that need to be stirred, such as crop straw, sawdust, corn cob, etc.; a stirring mechanism 4 is rotatably connected in the stirring chamber 3, and the stirring mechanism 4 is used for dispersing and uniformly mixing the above-mentioned medium raw materials; the multi-stage transmission device 6 drives the stirring mechanism 4 to rotate; the existing transmission device can only drive the stirring of materials below 10 cubic meters, and cannot realize the stirring of large capacity medium raw materials above 15 cubic meters; by arranging the multi-stage transmission device 6, on the one hand, the speed reduction effect can be achieved, and on the other hand, the output torque can be greatly increased, so that the stirring mechanism 4 can stir large capacity materials.

[0038] As shown in Figure 2 and Figure 4 , a gas supply pipe 301 is arranged outside the stirring chamber 3, a plurality of gas outlets 302 that communicate with the stirring chamber 3 are arranged on the gas supply pipe 301, the gas supply pipe 301 is used for supplementing oxygen into the medium raw materials during the stirring process, increasing the ventilation amount, thereby facilitating the respiration of microorganisms and the accumulation of metabolic products. A discharging mechanism 2 is arranged on one side of the stirring chamber 3, and a water tank 5 is arranged at the bottom of the stirring chamber 3; during use, hot water is introduced into the water tank 5, thereby heating the medium raw materials during the stirring process; after the medium raw materials are heated to about 70℃, they are discharged, thereby facilitating the subsequent composting and fermentation of the medium raw materials.

[0039] As shown in Figure 10 , the stirring chamber 3 comprises a shell 303, the longitudinal section of the shell 303 is in a U structure, i.e. the top of the shell 303 is provided with a feeding port; in the embodiment, the top of the shell 303 is in an open structure, which facilitates the further increase of the ventilation amount during the stirring process of the medium raw materials, and provides sufficient conditions for the cultivation of microorganisms; an arc-shaped structure 304 that cooperates with the stirring mechanism 4 is arranged at the bottom of the shell 303, the discharging mechanism 2 communicates with the arc-shaped structure 304, and the arc-shaped structure 304 is more closely combined with the stirring blades of the stirring mechanism 4, so that the medium raw materials at the bottom of the stirring chamber 3 can fully participate in the stirring, and the mixing of the raw materials is more uniform.

[0040] The water tank 5 comprises a tank body, the tank body is fixedly connected with the rack 1, water inlet pipes 501 and water outlet pipes 502 are arranged at both ends of the bottom of the tank body, the water inlet pipes 501 are connected with a heat supply pipeline through a water pump, a plurality of baffles 503 are fixedly connected at the bottom of the tank body, the baffles 503 are arranged at equal intervals, the baffles 503 increase the support strength of the water tank 5, at the same time, the baffles 503 have a certain blocking effect, which can prolong the heat exchange time of hot water and the stirring chamber 3, thereby improving the heat exchange efficiency, the upper end of the baffle 503 is fixedly connected with the bottom of the arc-shaped structure 304, at least one flow-through hole 504 is arranged on the baffle 503, and the flow-through hole 504 does not hinder the circulation of hot water.

[0041] As shown in Figure 8 and Figure 9 , the discharge mechanism 2 comprises a discharge pipe 201 and a telescopic mechanism 205, the longitudinal section of the discharge pipe 201 is a rectangular structure, the discharge pipe 201 is communicated with the arc structure 304 in the stirring chamber 3, the upper end surface of the discharge pipe 201 is provided with an upper chute 202, the inner side walls on both sides of the discharge pipe 201 are respectively fixedly connected with slide rails 203, the slide rails 203 are provided with side chutes corresponding to the upper chute 202, in the embodiment, each slide rail 203 is composed of two square rods, the two square rods are respectively arranged on both sides of the upper chute 202, and the side chutes are formed between the two square rods, and the side chutes are equidistant from the upper chute 202.

[0042] The telescopic mechanism 205 is preferably a pneumatic cylinder, the telescopic mechanism 205 is fixedly connected with the rack 1, the telescopic mechanism 205 is fixedly connected with a shutter 204 at the extending end, the shutter 204 is slidably connected with the upper chute 202 and the side chutes, that is, the two sides of the shutter 204 are slidably arranged in the side chutes. The side chutes play a limiting role to avoid displacement of the shutter 204. When the telescopic mechanism 205 is started, the telescopic mechanism 205 extends to drive the shutter 204 to close the discharge pipe 201, when discharging is needed, the telescopic mechanism 205 is retracted to drive the shutter 204 to rise, so that the discharge pipe 201 is opened for discharging.

[0043] As shown in Figure 5 and Figure 6 , the stirring mechanism 4 comprises a stirring shaft 401, both ends of the stirring shaft 401 are rotatably connected with the stirring chamber 3, when fixed, both ends of the stirring shaft 401 pass through the stirring chamber 3 and are rotatably connected with the rack 1 through bearings and bearing seats respectively, the bearing seats are fixedly connected with the rack 1 or the shell 303, the stirring shaft 401 is provided with one or more groups of stirring blades 402, the stirring blades 402 are in a spiral structure, in the embodiment, the stirring blades 402 are two groups, and the two groups of stirring blades 402 are symmetrically arranged, the stirring blades 402 are fixedly connected with the stirring shaft 401 through reinforcing rods 403, and the discharge mechanism 2 is arranged at the middle position between the two groups of stirring blades 402, so that discharging is more convenient.

[0044] As shown in Figure 7 , the multi-stage transmission device 6 comprises a driving mechanism 601, the driving mechanism 601 is preferably a motor, the driving mechanism 601 is fixedly connected with the rack 1, the output end of the driving mechanism 601 is provided with a driving wheel, and at least one transmission assembly is transmissionally connected between the driving wheel and the stirring mechanism 4, the diameter of the power output wheel of each transmission assembly is greater than that of the power input wheel, so as to play a role of speed reduction.

[0045] In the embodiment, the transmission assembly is four-stage, the four-stage transmission assembly comprises rotating shaft one, rotating shaft two, rotating shaft three and rotating shaft four which are rotatably connected with the frame 1 respectively, the rotating shaft one is fixedly connected with first-stage transmission wheel 602 and second-stage transmission wheel one 604 at two ends respectively, the rotating shaft two is fixedly connected with second-stage transmission wheel two 603 and third-stage transmission wheel one 605 at two ends respectively, the rotating shaft three is fixedly connected with third-stage transmission wheel two 606 and fourth-stage transmission wheel one 607 at two ends respectively, the rotating shaft four is fixedly connected with fourth-stage transmission wheel two 608, the first-stage transmission wheel 602 is in transmission connection with the driving wheel, thereby forming the first-stage transmission assembly, the second-stage transmission wheel one 604 is in transmission connection with the second-stage transmission wheel two 603, thereby forming the second-stage transmission assembly, the third-stage transmission wheel one 605 is in transmission connection with the third-stage transmission wheel two 606, thereby forming the third-stage transmission assembly, the fourth-stage transmission wheel one 607 is in transmission connection with the fourth-stage transmission wheel two 608, thereby forming the fourth-stage transmission assembly, the diameter of the fourth-stage transmission wheel two 608 is greater than that of the other transmission wheels, the stirring shaft 401 is connected with the rotating shaft four, and the output torque of the driving mechanism 601 is greatly improved through the four-stage transmission assembly, so that the stirring mechanism 4 can drive the stirring of large-capacity materials.

[0046] In use, the water inlet pipe 501 is in communication with the water outlet of the heat supply pipeline of the heat supply device through a pump, the water outlet pipe 502 is connected with the backwater pipe of the heat supply device, so that the water tank 5 is filled with hot water; at the same time, the air supply pipe 301 is connected with the oxygen storage cylinder through an air pump.

[0047] In this process, the oxygen inlet 302 introduces oxygen into the culture medium raw materials, the water tank 5 and the stirring chamber 3 are in full heat exchange, so as to heat the culture medium raw materials, after being heated to the required temperature and the culture medium raw materials are stirred uniformly, the telescopic mechanism 205 is started, and the stirred culture medium is discharged for natural fermentation, since the culture medium temperature and the ventilation volume have reached the standard, the fermentation period of the culture medium is greatly shortened.

[0048] Finally, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments which can be understood by those skilled in the art.

Claims

1. A large-capacity culture medium heating and stirring device, comprising a frame (1), characterized in that: A stirring chamber (3) and a multi-stage transmission device (6) are provided on the frame (1); a stirring mechanism (4) is rotatably connected in the stirring chamber (3); the multi-stage transmission device (6) drives the stirring mechanism (4) to rotate; an air supply pipe (301) is provided outside the stirring chamber (3); a plurality of air outlets (302) communicating with the stirring chamber (3) are provided on the air supply pipe (301); a discharging mechanism (2) is provided on one side of the stirring chamber (3); and a water tank (5) is provided at the bottom of the stirring chamber (3).

2. The large-capacity culture medium heating and stirring device according to claim 1, characterized in that: The stirring chamber (3) comprises a shell (303), a feeding port is provided at the top of the shell (303), an arc-shaped structure (304) matched with the stirring mechanism (4) is provided at the bottom of the shell (303), and the discharging mechanism (2) is connected to the arc-shaped structure (304).

3. The large-capacity culture medium heating and stirring device according to claim 2, characterized in that: A water inlet pipe (501) and a water outlet pipe (502) are respectively provided at both ends of the bottom of the water tank (5). A plurality of baffles (503) are fixedly connected to the bottom of the water tank (5). The plurality of baffles (503) are arranged at equal intervals. The upper ends of the baffles (503) are fixedly connected to the bottom of the arc-shaped structure (304). At least one circulation hole (504) is provided on the baffles (503).

4. The large-capacity culture medium heating and stirring device according to claim 1, characterized in that: The discharging mechanism (2) comprises a discharging pipe (201) and a telescopic mechanism (205), the telescopic mechanism (205) being fixedly connected to the frame (1), an upper slide groove (202) being provided on the discharging pipe (201), a gate plate (204) being fixedly connected to the extended end of the telescopic mechanism (205), and the gate plate (204) being slidably connected to the upper slide groove (202).

5. The large-capacity culture medium heating and stirring device according to claim 4, characterized in that: The longitudinal section of the discharge pipe (201) is a rectangular structure. The discharge pipe (201) is connected to the stirring chamber (3). Slide rails (203) are fixedly connected to the inner side walls on both sides of the discharge pipe (201). Side slide grooves corresponding to the upper slide groove (202) are opened on the slide rails (203). Both sides of the gate plate (204) are slidably arranged in the side slide grooves.

6. The large-capacity culture medium heating and stirring device according to claim 1, characterized in that: The stirring mechanism (4) comprises a stirring shaft (401), both ends of which are rotatably connected to the stirring chamber (3), and the stirring shaft (401) is provided with at least one set of stirring blades (402), which are in a spiral structure.

7. The large-capacity culture medium heating and stirring device according to claim 6, characterized in that: The stirring blades (402) are in two groups, and the two groups of stirring blades (402) are symmetrically arranged. The stirring blades (402) are fixedly connected to the stirring shaft (401) via a reinforcing rod.

8. The large-capacity culture medium heating and stirring device according to claim 1, characterized in that: The multi-stage transmission device (6) comprises a driving mechanism (601), the driving mechanism (601) being fixedly connected to the frame (1), a driving wheel being provided at the output end of the driving mechanism (601), and at least one stage of transmission assembly being connected between the driving wheel and the stirring mechanism (4).

9. The large-capacity culture medium heating and stirring device according to claim 8, characterized in that: The diameter of the power output wheel of each stage of the transmission assembly is larger than the diameter of the power input wheel.

10. The large-capacity culture medium heating and stirring device according to claim 8, characterized in that: The transmission assembly is four-stage, and the four-stage transmission assembly includes a rotating shaft 1, a rotating shaft 2, a rotating shaft 3 and a rotating shaft 4, which are respectively connected to the frame (1). The two ends of the rotating shaft 1 are respectively fixedly connected to the first-stage transmission wheel (602) and the second-stage transmission wheel 1 (604), the two ends of the rotating shaft 2 are respectively fixedly connected to the second-stage transmission wheel 2 (603) and the third-stage transmission wheel 1 (605), the two ends of the rotating shaft 3 are respectively fixedly connected to the third-stage transmission wheel 2 (606) and the fourth-stage transmission wheel 1 (607), and the rotating shaft 4 is fixedly connected to the fourth-stage transmission wheel 2 (608). The first-stage transmission wheel (602) is connected to the driving wheel, the second-stage transmission wheel 1 (604) is connected to the second-stage transmission wheel 2 (603), the third-stage transmission wheel 1 (605) is connected to the third-stage transmission wheel 2 (606), and the fourth-stage transmission wheel 1 (607) is connected to the fourth-stage transmission wheel 2 (608).

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