CN209816123U - Aerobic fermentation's cask stirring reactor - Google Patents

Abstract

The utility model provides an aerobic fermentation's cask stirred tank reactor belongs to fermentation machine tool field. The drum stirring reactor comprises a support, a drum body, a drum cover, a central rotating shaft, a motor and a coupling, wherein the drum body is provided with a metal ring which is used for placing a bearing and is supported by three metal rods and has the inner diameter of phi 150mm, the bottom of the drum body is provided with a groove which is 15mm wide and 5mm deep and is used for temporarily storing fermentation liquor generated in the fermentation process, and a sealing rubber gasket and the bearing are placed on a bulge part at the bottom of the drum body. The barrel body and the barrel cover are of a three-layer structure, the inner layer and the outer layer are metal layers, and the middle layer is a heat-insulating layer. The central rotating shaft has the functions of ventilation and stirring, the inner diameter is phi 80mm, through holes are distributed to ventilate the reactor, and the central rotating shaft is also provided with a helical blade with the pitch of 150mm and used for smashing and stirring the fermented product. The limiting bolt is adopted to prevent the drum from rotating in a larger range. The novel fermentation treatment device can realize fermentation treatment with different functions, and has the characteristics of small occupied area, small peculiar smell, low energy consumption, simple and stable structure, high automation degree and the like.

Description

Aerobic fermentation's cask stirring reactor

Technical Field

The utility model relates to a fermenting installation, concretely relates to cask stirring reactor of aerobic fermentation belongs to fermentation machine tool field.

Background

Fermentation refers to the process by which a person produces the microbial cells themselves, or direct or secondary metabolites, by virtue of the life activities of the microorganism under aerobic or anaerobic conditions. Complex organic compounds are decomposed into simpler substances under the action of microorganisms, and leavening, wine brewing and the like are all fermentation applications. Among them, aerobic fermentation is an important type of fermentation, and is widely applied to human production and life, and the aerobic fermentation is applied to various fields such as aerobic composting of household garbage, aerobic composting of garden waste to produce harmless waste, and research on aerobic fermentation in scientific research, so that the demand of fermentation devices for aerobic fermentation is higher and higher, and not only large-scale aerobic fermentation devices but also miniaturized devices are required to meet the actual demand, and higher requirements are provided regardless of the types of the devices and the quality of the devices.

Disclosure of Invention

In view of this, the present invention provides a drum stirring reactor for aerobic fermentation, which can improve the efficiency and quality of aerobic fermentation, improve the automation of aerobic fermentation, realize smaller-scale fermentation treatment, and reduce the odor caused to the surrounding environment. Can be applied to various fields of production and life, scientific research and the like, and has wide market prospect and great social benefit.

A drum stirring reactor for aerobic fermentation is composed of a support, a drum body, a drum cover, a central rotating shaft and a coupling. The device has the height of 1144mm, the length and the width of 700mm, and the maximum feeding amount can reach 2/3 of a barrel.

The barrel body and the barrel cover are of three-layer structures, the inner side and the outer side of the barrel body are made of metal to play a supporting role, and the middle layer is a heat-insulating layer to play a heat-insulating role in the fermentation process. The inner diameter of the barrel body of the barrel is 400mm, and the inner height of the barrel body is 715 mm. The top of the barrel is provided with a metal ring which is supported by three metal rods and has the inner diameter of phi 150mm, the distance between the upper surface of the metal ring and the top of the barrel body is 35mm, the metal ring is used for fixing a bearing, and the three metal rods are respectively distributed at 45 degrees, 157.5 degrees and 157.5 degrees, so that the distribution can ensure that the metal rods do not hinder the feeding and discharging processes of fermented materials. The bottom of the inner surface of the barrel body is provided with a groove which is 25mm wide and 5mm deep and is used for temporarily storing fermentation liquor generated in the fermentation process. The bulge height of cask staving bottom is 60mm, and the upper end internal diameter of bulge is phi 110mm in order to be used for playing sealed and preventing the effect that the zymotic fluid spilt through sealing rubber packing ring and central pivot contact, and protruding lower extreme has the hole of internal diameter phi 150mm in order to be used for placing the bearing, and whole protruding height also is higher than the liquid level height of the zymotic fluid that the fermentation process probably produced far away, further plays the effect that prevents the zymotic fluid spilt. The whole barrel body is provided with two bearings used for being connected with the central rotating shaft. The drum cover is provided with a central hole with the inner diameter phi of 110mm for penetrating through the central rotating shaft, the drum cover is contacted with the central rotating shaft through a sealing rubber gasket to play a sealing role, and a hole with the inner diameter phi of 15mm is used for discharging waste gas in the aerobic fermentation process.

The central rotating shaft can rotate to play a role in ventilating and stirring the fermented product and is divided into a central air pipe and helical blades, the inner diameter phi of the central air pipe is 80mm, the outer diameter phi of the central air pipe is 100mm, the length of the central air pipe is 850mm, vent holes with the diameter phi of 6mm are uniformly distributed in the inner part of the barrel body of the barrel, the pitch of the helical blades is 150mm, and the helical blades can play a role in stirring the fermented product.

The coupler is a stepped shaft, the first section is a hollow shaft with the inner diameter phi of 15mm and is in key connection with a motor with the shaft phi of 15mm, and the second section is a solid shaft with the outer diameter phi of 80mm and is connected with a central rotating shaft with the inner diameter phi of 80mm through a rotating shaft.

Has the advantages that:

(1) this novel ability realizes automatic fermentation function, and the fermentation volume can reach effective volumetric 2/3, can realize the forward and reverse upset of controllable, the central pivot of air volume. In the fermentation process, the central rotating shaft is in a static state for most of time, and the central rotating shaft adopts a forward and reverse rotating mode when materials are stirred, so that the energy consumption can be reduced on the premise of ensuring the stirring effect.

(2) The novel device can effectively ventilate and stir the fermented product. The air holes uniformly distributed on the central rotating shaft can effectively ventilate the barrel, and the requirement of oxygen in the aerobic fermentation process is met. The helical blade on the central rotating shaft can realize stirring of the fermented product, and the agglomerated fermented product can be smashed and then stirred due to the thin helical blade, so that the contact area of the fermented product and air is increased, and the ventilation efficiency is improved.

(3) This novel bottom at the cask staving has the recess that width is 25mm, is deep for 5mm to be used for temporarily storing the zymotic fluid that the aerobic fermentation in-process produced, avoids the fermentation insufficient phenomenon that the bottom fermentation thing caused because of the soaking of zymotic fluid. There is the arch that highly is 60mm at cask staving bottom, and the upper end internal diameter of bulge is phi 110mm in order to be used for playing sealed and preventing the effect that the zymotic fluid spilt through sealing rubber packing ring and central pivot contact, and there is the hole of internal diameter phi 150mm in order to be used for placing the bearing protruding lower extreme, the bottom of staving, and whole protruding height also is higher than the liquid level height of the zymotic fluid that the fermentation process probably produced far away, further plays the effect that prevents the zymotic fluid spilt.

(4) This is novel to the cask carry on spacingly through the bolt and prevent it to rotate by a wide margin. One end of the bolt is connected and fixed on the cross section of the bracket, and the other end of the bolt is arranged in the handle of the barrel body, so that the barrel can be prevented from rotating by a larger extent in the rotating process.

(5) The phi 15mm small hole at the top of the barrel cover of the novel barrel can discharge waste gas generated in the aerobic fermentation process during ventilation, and can be plugged by a rubber plug when the ventilation is not performed, so that the smell in the barrel can be reduced.

(6) The novel fermentation tank can effectively reduce the emission of odor generated in the fermentation process to the surrounding environment. The device can emit gas at four places: a small hole with the diameter of 15mm is arranged at the top of the barrel cover of the barrel; the contact part of the top central rotating shaft and the barrel cover of the barrel is arranged; the contact part of the bottom central rotating shaft and the barrel body of the barrel is arranged; the interface of the barrel cover and the barrel body. The four sealing measures are respectively as follows: the rubber plug is used for blocking the device at ordinary times and is opened only when the device is ventilated; the top central rotating shaft is in contact with the barrel cover of the barrel through the sealing rubber gasket in a spaced manner, and the sealing rubber gasket can effectively prevent odor from diffusing out after being compressed; the central rotating shaft at the bottom is also in contact with the barrel body of the barrel body through the sealing rubber gasket in an alternate way, and the sealing rubber gasket can effectively prevent the smell from diffusing after being compressed; the barrel body and the barrel cover are indirectly contacted through the sealing rubber gasket, three limiting blocks are uniformly distributed on the barrel cover, and the barrel cover can be reasonably covered on the barrel body.

Drawings

FIG. 1 is an overall isometric view of a drum stirred reactor.

FIG. 2 is an overall cut-away view of a drum-stirred reactor.

Figure 3 is an isometric view of the drum and its components.

Figure 4 is an overall isometric view of the drum.

Fig. 5 is an overall isometric view of the central rotating shaft.

Fig. 6 is a structural view of the transmission mechanism.

Wherein, 1-bracket 2-barrel body 3-barrel cover 4-central rotating shaft 5-motor 6-limit bolt 7-coupling.

Detailed Description

The invention is described in detail below by way of example with reference to the accompanying drawings.

As shown in attached drawings 1 and 2, the utility model provides an aerobic fermentation drum stirring reactor, which comprises a bracket 1, a drum body 2, a drum cover 3, a central rotating shaft 4 and a motor 5, and has simple structure and convenient assembly and disassembly. The whole device is supported by the support 1 and is built by sectional materials.

As shown in the attached figures 3 and 4, the barrel body 2 and the barrel cover 3 are of three-layer structures, the outer layer and the inner layer are metal layers to play a supporting role, and the middle layer is a heat-insulating layer. The barrel body 2 and the barrel cover 3 are indirectly contacted through the sealing rubber gasket, three limiting blocks are uniformly distributed on the barrel cover 3, and the barrel cover 3 can be reasonably covered on the barrel body 2. The top of the barrel body 2 is provided with a metal ring which is supported by three metal rods and has the inner diameter of phi 150mm, the distance between the upper surface of the metal ring and the top of the barrel body 2 is 35mm, and the metal ring is used for fixing a bearing. The bottom of the barrel body 2 is also provided with a hole with the inner diameter of phi 150mm for placing a bearing. The bottom of the inner surface of the barrel body 2 is provided with a groove with the width of 25mm and the depth of 5mm for temporarily storing fermentation liquor generated in the fermentation process. The height of the bulge at the bottom of the barrel body 2 is 60mm, the inner diameter of the upper end of the bulge is phi 110mm so as to be used for contacting the central rotating shaft 4 through a sealing rubber gasket to play the effects of sealing and preventing fermentation liquor from leaking, the bottom of the bulge, namely the bottom of the barrel body 2, is provided with a hole with the inner diameter of phi 150mm so as to be used for placing a bearing, the height of the whole bulge is far higher than the liquid level of the fermentation liquor possibly generated in the fermentation process, and the effect of preventing the fermentation liquor from leaking is further achieved.

As shown in the attached figure 5, the air holes uniformly distributed on the central rotating shaft 4 can effectively ventilate the barrel body 2, so as to meet the requirement of oxygen required in the aerobic fermentation process. The helical blade with the pitch of 150mm on the central rotating shaft 4 can realize the stirring of the fermented product, and the helical blade is thin, so that the caked fermented product can be smashed and then stirred, thereby improving the contact area of the fermented product and the air and improving the ventilation efficiency.

As shown in figure 6, a motor 5 drives a central rotating shaft 4 to rotate, a coupler 7 is a stepped shaft, a first section is a hollow shaft with the inner diameter phi of 15mm and is connected with the motor 5 with the shaft phi of 15mm through a key, and a second section is a solid shaft with the outer diameter phi of 80mm and is connected with the central rotating shaft 3 with the inner diameter phi of 80mm through a key. The inner ring of the bearing is contacted with the central rotating shaft 4, and the outer ring of the bearing is contacted with the barrel body 2 to realize the rotation of the central rotating shaft 4.

The working process is as follows: when the fermented material is put into the barrel body 2, the central rotating shaft 4 rotates to accelerate the material to enter the barrel body 2. After the feeding process is finished, the barrel cover 3 is covered, the barrel body 2 and the barrel cover 3 are indirectly contacted through the sealing rubber gasket, three limiting blocks are uniformly distributed on the barrel cover 3, and the barrel cover 3 can be reasonably covered on the barrel body 2. After the fermentation process begins, the upper end of the central rotating shaft 4 is connected with an air compressor to ventilate the reactor regularly, air enters the reactor through small holes uniformly distributed on the central rotating shaft 4 during ventilation, the rotating time and frequency of the central rotating shaft 4 are the same as those of ventilation so as to ensure the high ventilation quality, and the caking fermentation product can be smashed and stirred due to the thinner spiral blades. The three-layer structure of the barrel body 2 and the barrel cover 3 can ensure that the temperature in the fermentation process is not dissipated. The fermentation liquor produced in the fermentation process can be temporarily stored in the groove at the bottom of the barrel body 2, so that the phenomenon of insufficient fermentation caused by the soaking of the fermentation liquor in the bottom fermentation product is avoided. In the fermentation process, the motor 5 rotates the central rotating shaft 4 through the coupler 7, and the two ends of the coupler 7 transmit power through keys. Taking out the fermented product after the fermentation process is finished.

In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A drum stirring reactor for aerobic fermentation is characterized by comprising a bracket (1), a drum body (2), a drum cover (3), a central rotating shaft (4), a motor (5), a limit bolt (6) and a coupling (7),

the installation relation is as follows: support (1) has supported whole device, the cask staving (2) are placed on the support, cask bung (3) are put in cask staving (2) through the stopper above that, central pivot (4) can rotate, be connected to on cask staving (2) through the bearing, its lower extreme is connected with shaft coupling (7) through the key-type connection, shaft coupling (7) are connected with motor (5) through the key-type connection, motor (5) are fixed in on support (1), spacing bolt (6) one end direct fixation in support (1), the other end is in cask staving (2) handle with the rotation by a relatively large margin of restriction cask.

2. The aerobic fermentation drum stirred reactor according to claim 1, wherein the bottom of the drum body (2) has a groove with a width of 25mm and a depth of 5mm and a bulge with a height of 60 mm.

3. The aerobic fermentation drum stirred reactor according to claim 1, wherein the central rotating shaft (4) is provided with through holes for ventilation and helical blades with a pitch of 150 mm.

4. The aerobic fermentation drum stirred reactor according to claim 1, wherein the coupling (7) is a stepped shaft, the first section is a hollow shaft with an inner diameter of phi 15mm, which is connected with a motor (5) with a shaft with phi 15mm by a key, and the second section is a solid shaft with an outer diameter of phi 80mm, which is connected with a central rotating shaft (4) with an inner diameter of phi 80mm by a rotating shaft.