CN112657604A

CN112657604A - Experimental fermenting installation that uses of bioengineering

Info

Publication number: CN112657604A
Application number: CN202011571744.0A
Authority: CN
Inventors: 魏莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-04-16

Abstract

The invention relates to the technical field of bioengineering, in particular to a fermentation device for bioengineering tests, which comprises a crushing barrel and a fermentation barrel, wherein the crushing barrel is arranged above the fermentation barrel, a feed opening is arranged above the crushing barrel, a crushing cavity is arranged above the crushing barrel, the feed opening is communicated with the crushing cavity, a plurality of crushing rollers are transversely arranged on two sides in the crushing cavity, one ends of the crushing rollers penetrate through the crushing cavity and are provided with rotating belt wheels, the circumference of the bottom of the crushing cavity is provided with a sliding groove, the sliding groove is connected with a rotating seat in a sliding manner, a screen is arranged between the rotating seats, and a screening device is connected below the screen. The device can clean the interior of the device in time after fermentation, and prevent microorganisms from attaching to the interior of the fermentation device to influence subsequent fermentation experiments.

Description

Experimental fermenting installation that uses of bioengineering

Technical Field

The invention relates to the technical field of bioengineering, in particular to a fermentation device for bioengineering tests.

Background

Bioengineering, which is an emerging technology that is based on the theory and technology of biology (especially microbiology, genetics, biochemistry and cytology), combines with modern engineering technologies of chemical engineering, machinery, electronic computers, etc., fully utilizes the latest achievements of molecular biology to consciously manipulate genetic materials, directionally modify organisms or their functions, create new species with ultra-distant characters in a short period, and then culture such "engineering bacteria" or "engineering cell strains" in a large scale through a suitable bioreactor to produce a large amount of useful metabolites or exert their unique physiological functions.

The existing fermentation device for bioengineering does not carry out cutting treatment on the experimental body before fermentation, so that the fermentation efficiency is slow and the experimental efficiency is influenced; meanwhile, the inside of the device is not convenient to clean in time after fermentation, so that microorganisms are attached to the inside of the fermentation device, and subsequent fermentation experiments are influenced.

Disclosure of Invention

The present invention is directed to a fermentation apparatus for bioengineering tests to solve the problems set forth in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a fermentation device for bioengineering tests comprises a crushing barrel and a fermentation barrel, wherein the crushing barrel is arranged above the fermentation barrel, a feed opening is arranged above the crushing barrel, a crushing cavity is arranged above the crushing barrel, the feed opening is communicated with the crushing cavity, a plurality of crushing rollers are transversely arranged on two sides in the crushing cavity, one ends of the crushing rollers penetrate through the crushing cavity and are provided with rotating belt wheels, the upper rotating belt wheel and the lower rotating belt wheel are connected through a belt, first rotating motors are arranged outside two sides of the crushing cavity, and the first rotating motors are connected with one rotating belt wheel on one side where the first rotating motors are located; the bottom circumference of the crushing cavity is provided with a sliding chute, rotating seats are connected in the sliding chute in a sliding mode, a screen is arranged between the rotating seats, and a screening device is connected below the screen; the crushing chamber bottom outside is provided with a plurality of unloading holes, there is the stock guide when unloading hole below, stock guide center department is provided with the feed opening, be provided with grinder in the feed opening, stock guide below left and right sides symmetry is provided with the baffle, the below is provided with the connecting tube between the baffle, connecting tube and fermenter intercommunication.

As a further scheme of the invention: the screening device comprises an installation cavity, a rotating shaft is arranged in the installation cavity, the upper part of the rotating shaft is connected with the center of the bottom of the screen, mounting plates are symmetrically arranged at the center of the rotating shaft up and down, a cylindrical cam is arranged in the middle of the mounting plates, and grooves are symmetrically arranged at two sides of the mounting plates; the cylinder cam bilateral symmetry is provided with the runner, runner center department is provided with the bull stick, the outside cover of bull stick is equipped with the fixing base, the tip fixed mounting of bull stick has L type transfer line, L type transfer line is setting and wherein one end fixed mounting has the arc gag lever post.

As a further scheme of the invention: the arc limiting rod is matched with the groove on the outer side of the mounting plate, and one end of the L-shaped transmission rod, which is far away from the arc limiting rod, is matched with the transmission groove on the surface of the cylindrical cam; the rotating wheels are connected through a transmission belt, and one rotating wheel is connected with a second rotating motor.

As a further scheme of the invention: the grinding device comprises a grinding block, the upper end of the grinding block is fixedly connected with the bottom of the rotating shaft, the grinding block is formed by connecting the bottom surfaces of two symmetrical round tables, a spiral feeding plate is arranged above the grinding block, and a grinding bulge is arranged below the grinding block.

As a further scheme of the invention: the grinding bulge is arranged between the feed openings, and the feed openings are arranged to be inverted cones and provided with grinding plates.

As a further scheme of the invention: be provided with the heat preservation chamber in the fermenter, be provided with the hot plate in the heat preservation chamber, fermenter inner wall department circumference is provided with a plurality of brush boards, brush board below is connected with cleaning device, the support column is installed in the bottom four corners of fermenter.

As a further scheme of the invention: cleaning device includes the actuating lever, the actuating lever bottom is connected with driving motor, actuating lever top fixedly connected with braced frame body, braced frame body's tip fixedly connected with sleeve, sliding connection has the column spinner in the sleeve, the upper end of column spinner and the bottom fixed connection of brush board, fixed mounting is located at column spinner center has the fixed gear, spacing seat is installed to fermentation vat inner wall bottom circumference, be provided with the internal gear in the spacing seat, the internal gear meshes with the fixed gear mutually.

As a further scheme of the invention: a water storage tank is arranged above the crushing cavity, a water injection pipe is connected to one side above the water storage tank, a plurality of high-pressure nozzles are arranged below the water storage tank, and the high-pressure nozzles are arranged from high to low from two sides of the bottom of the water storage tank to the center; the fermentation barrel is characterized in that a water spraying pipe is arranged on one side, away from the connecting pipeline, of the baffle, the water spraying pipe penetrates through the fermentation barrel, the other end of the water spraying pipe is connected with a cleaning nozzle, the water outlet of the cleaning nozzle is close to one side of the inner wall of the fermentation barrel, and an adjusting device is connected above the baffle.

As a further scheme of the invention: adjusting device includes the slide rail, the slide rail sets up inside the stock guide, sliding connection has the transmission framework in the slide rail, the inside incomplete gear that is provided with of transmission framework, the inside top and bottom side of transmission framework is provided with the rack board, incomplete gear meshes with the rack board mutually, transmission framework below is connected with the regulation seat through branch, it has the connecting rod to adjust the articulated connection in seat below, the connecting rod other end articulates with the baffle middle part, the baffle below is provided with the cell body, sliding connection has the connecting seat in the cell body, connecting seat and baffle bottom fixed connection.

Compared with the prior art, the invention has the beneficial effects that: the device is provided with a crushing barrel and a fermentation barrel, the experimental body is firstly crushed into small blocks before being fermented, a screen is arranged below a crushing cavity, the screen is driven by a screening device to intermittently rotate clockwise and anticlockwise, the screening efficiency of the experimental body is improved, the screened experimental body slides into a feed opening through a guide plate, a grinding block is arranged in the feed opening to grind the block-shaped organisms and then the block-shaped organisms enter the fermentation barrel to be fermented, the fermentation efficiency of the experimental body is improved, after the fermentation is finished, clear water is injected into a water injection pipe, the clear water starts to be washed from the crushing cavity and then falls down along the feed opening, a baffle is moved to the lower part of the grinding block through an adjusting device, the clear water enters the water injection pipe through the feed opening, the inner wall of the fermentation barrel is washed, a cleaning device at the bottom in the washing process drives the brush plate to rotate along the inner wall of the fermentation barrel, and meanwhile, the fixed gear below the brush plate can be meshed with an inner gear on the inner wall of the fermentation barrel to drive the brush plate to rotate, so that the cleaning effect on the fermentation barrel is improved.

Drawings

FIG. 1 is a schematic view of a fermentation apparatus for biological engineering experiments.

FIG. 2 is a schematic view showing the structure of a screening apparatus in a fermentation apparatus for biological engineering experiments.

FIG. 3 is a plan view of a screening apparatus in a fermentation apparatus for biological engineering experiments.

FIG. 4 is a schematic view showing the structure of a grinding apparatus in a fermentation apparatus for biological engineering experiments.

FIG. 5 is an enlarged view of the structure at A in the fermentation apparatus for biological engineering test.

In the figure: 1-a crushing barrel, 2-a fermentation barrel, 3-a feeding port, 4-a crushing cavity, 5-a crushing roller, 6-a rotating belt wheel, 7-a belt, 8-a first rotating motor, 9-a sliding chute, 10-a rotating seat, 11-a screen, 12-a screening device, 121-a mounting cavity, 122-a rotating shaft, 123-a mounting plate, 124-a cylindrical cam, 125-a groove, 126-a rotating wheel, 127-a rotating rod, 128-a fixing seat, 129-an L-shaped transmission rod, 1210-an arc limiting rod, 1211-a transmission belt, 1212-a second rotating motor, 13-a discharging hole, 14-a guide plate, 15-a discharging port, 16-a grinding device, 161-a grinding block, 162-a spiral feeding plate and 163-a grinding bulge, 164-grinding plate, 17-baffle, 18-connecting pipe, 19-heat preservation chamber, 20-heating plate, 21-brush plate, 22-supporting column, 23-driving rod, 24-driving motor, 26-supporting frame body, 27-sleeve, 28-rotating column, 29-fixed gear, 30-limiting seat, 31-internal gear, 32-water storage tank, 33-water injection pipe, 34-high-pressure spray head, 35-water spray pipe, 36-cleaning spray head, 37-adjusting device, 371-sliding rail, 372-transmission frame body, 373-incomplete gear, 374-rack plate, 375-adjusting seat, 376-connecting rod, 377-groove body and 378-connecting seat.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

Example 1

Referring to fig. 1, in an embodiment of the present invention, a fermentation apparatus for bioengineering tests includes a crushing barrel 1 and a fermentation barrel 2, the crushing barrel 1 is arranged above the fermentation barrel 2, a feeding port 3 is arranged above the crushing barrel 1, a crushing cavity 4 is arranged above the crushing barrel 1, the material feeding port 3 is communicated with the crushing cavity 4, a plurality of crushing rollers 5 are transversely arranged at two sides in the crushing cavity 4, one end of each crushing roller 5 penetrates through the crushing cavity 4 and is provided with a rotating belt wheel 6, the upper and lower rotating belt wheels 6 are connected through a belt 7, the outer parts of the two sides of the crushing cavity 4 are respectively provided with a first rotating motor 8, the first rotating motor 8 is connected with one rotating belt wheel 6 on one side where the first rotating motor 8 is positioned, when the first rotating motor 8 rotates, the crushing rollers 5 on the two sides can be moved to rotate simultaneously, and the experimental body in the crushing barrel 1 is subjected to primary crushing; the circumference of the bottom of the crushing cavity 4 is provided with a sliding chute 9, the sliding chute 9 is connected with a rotating seat 10 in a sliding manner, a screen 11 is arranged between the rotating seats 10, a screening device 12 is connected below the screen 11, and the rotating seat 10 and the screen 11 can be driven to rotate under the action of the screening device 12, so that the screening efficiency is improved; the crushing chamber 4 bottom outside is provided with a plurality of unloading holes 13, there is stock guide 14 when unloading hole 13 below, stock guide 14 center department is provided with feed opening 15, be provided with grinder 16 in the feed opening 15, the left and right sides symmetry in stock guide 14 below is provided with baffle 17, the below is provided with connecting tube 18 between the baffle 17, connecting tube 18 and fermenter 2 intercommunication.

Example 2

Referring to fig. 2 and 3, in the present embodiment, the screening device 12 includes an installation cavity 121, a rotating shaft 122 is disposed in the installation cavity 121, the upper portion of the rotating shaft 122 is connected to the center of the bottom of the screen 11, mounting plates 123 are symmetrically disposed at the center of the rotating shaft 122, a cylindrical cam 124 is disposed in the middle of the mounting plates 123, and grooves 125 are symmetrically disposed at two sides of the mounting plates 123; the two sides of the cylindrical cam 124 are symmetrically provided with rotating wheels 126, the center of each rotating wheel 126 is provided with a rotating rod 127, a fixed seat 128 is sleeved outside each rotating rod 127, the end part of each rotating rod 127 is fixedly provided with an L-shaped transmission rod 129, each L-shaped transmission rod 129 is arranged at 90 degrees, one end of each L-shaped transmission rod 129 is fixedly provided with an arc-shaped limiting rod 1210, each arc-shaped limiting rod 1210 is matched with a groove 125 in the outer side of the mounting plate 123, and one end, far away from the arc-shaped limiting rod 1210, of each L-shaped transmission rod 129 is matched with; the rotating wheels 126 are connected through a driving belt 1211, one rotating wheel 126 is connected with a second rotating motor 1212, the rotating wheel 126 on one side is driven to rotate through the second rotating motor 1212, the rotating wheels 126 on two sides rotate simultaneously through the driving belt 1211, two ends of the L-shaped transmission rod 129 are alternately matched with the grooves 128 on two sides of the mounting plate 123 in the rotating process, when one end of the arc-shaped limiting rod 1210 on one side is matched with the groove 128, the arc-shaped limiting rod 1210 on the other side of the L-shaped transmission rod 129 is also matched with the groove 128, and when the arc-shaped limiting rod 1210 leaves the groove 128, the other ends of the L-shaped transmission rods 129 on two sides alternately penetrate through the groove 128 to be matched with the transmission groove on the surface of the cylindrical cam 124, so that the cylindrical cam 124 is driven to.

Example 3

Referring to fig. 4, in this embodiment, the grinding device 16 includes a grinding block 161, the upper end of the grinding block 161 is fixedly connected to the bottom of the rotating shaft 122, the grinding block 161 is formed by connecting two symmetrical circular truncated cone bottom surfaces, a spiral feeding plate 162 is disposed above the grinding block 161, a grinding protrusion 163 is disposed below the grinding block 161, the grinding block 161 is placed in the middle of the feed opening 15, the spiral feeding plate 162 on the upper half portion of the grinding block 161 can accelerate the block-shaped experimental body to enter the feed opening 15, and meanwhile, the grinding protrusion 163 on the lower portion is matched with a grinding plate 164 at the feed opening 15 to further grind the block-shaped experimental body, thereby accelerating the grinding efficiency of the subsequent experimental body.

In this embodiment, the grinding protrusions 163 are disposed between the feed openings 15, and the feed openings 15 are disposed in an inverted cone shape and the grinding plate 164 is disposed at the feed openings 15.

In this embodiment, be provided with heat preservation chamber 19 in the fermenter 2, be provided with hot plate 20 in the heat preservation chamber 19, 2 inner walls of fermenter department circumference is provided with a plurality of brush boards 21, brush board 21 below is connected with cleaning device, support column 22 is installed in the bottom four corners of fermenter 2, and the temperature through hot plate 20 control heat preservation chamber 19 makes the experimental part be in suitable temperature environment for going on of fermentation.

Example 4

In this embodiment, the cleaning device includes a driving rod 23, a driving motor 24 is connected to the bottom of the driving rod 23, a supporting frame 26 is fixedly connected to the upper side of the driving rod 23, a sleeve 27 is fixedly connected to the end of the supporting frame 26, a rotary column 28 is slidably connected to the sleeve 27, the upper end of the rotary column 28 is fixedly connected to the bottom of the brush plate 21, a fixed gear 29 is fixedly installed at the center of the rotary column 28, a limiting seat 30 is circumferentially installed at the bottom of the inner wall of the fermentation barrel 2, an internal gear 31 is arranged in the limiting seat 30, the internal gear 31 is engaged with the fixed gear 29, the driving rod 23 is driven by the driving motor 24 to rotate, the brush plate 21 is synchronously driven to rotate around the inside of the fermentation barrel 2 to clean the inner wall of the fermentation barrel 2, the fixed gear 29 at the bottom of the rotary column 28 is engaged with the internal gear, the rotating column 28 is driven to transmit automatically, and the cleaning effect of the brush plate 21 is improved.

In this embodiment, a water storage tank 32 is arranged above the crushing cavity 4, a water injection pipe 33 is connected to one side above the water storage tank 32, a plurality of high-pressure nozzles 34 are arranged below the water storage tank 32, and the arrangement of the high-pressure nozzles 34 is from high to low from two sides of the bottom of the water storage tank 32 to the center; baffle 17 is kept away from connecting tube 18 one side and is provided with spray pipe 35, spray pipe 35 link up to 2 insides of fermenter, and the other end of spray pipe 35 is connected with clearance shower nozzle 36, the delivery port of clearance shower nozzle 36 is for being close to 2 inner wall one sides of fermenter, the top of baffle 17 is connected with adjusting device 37, after the fermentation, through injecting the clear water into water injection pipe 33, begin to wash from broken intracavity 4 behind the clear water, falls down along feed opening 15, removes baffle 17 to abrasive brick 161 below through adjusting device 37 this moment, makes the clear water by feed opening 15 entering spray pipe 35 in, wash 2 inner walls of fermenter.

Example 5

Referring to fig. 5, in the present embodiment, the adjusting device 37 includes a slide rail 371, the slide rail 371 is disposed inside the material guiding plate 14, a transmission frame body 372 is slidably connected to the slide rail 371, an incomplete gear 373 is disposed inside the transmission frame body 372, rack plates 374 are disposed on upper and lower sides inside the transmission frame body 372, the incomplete gear 373 is engaged with the rack plates 374, an adjusting seat 375 is connected to a lower portion of the transmission frame body 372 through a support rod, a connecting rod 376 is hinged to a lower portion of the adjusting seat 375, the other end of the connecting rod 376 is hinged to a middle portion of the baffle 17, a groove 377 is disposed below the baffle 17, a connecting seat 378 is slidably connected to the groove 377, the connecting seat 378 is fixedly connected to a bottom of the baffle 17, and is engaged with the upper and lower rack plates 374 when the incomplete gear 373 rotates, so as to drive the transmission frame body 372 to move left and right, and synchronously adjust a, when the experiment goes on, baffle 17 is in feed opening 15 below both sides, the experimental body after grinding falls into connecting tube 18 by feed opening 15 in, then get into 2 insides of fermentation vat, when the experiment is ended, when needing to clear up 2 inner walls of fermentation vat, remove to the middle department in 15 bottoms of feed opening through adjusting device 37 control baffle 17, make the clear water flow down from feed opening 15, in baffle 17 entering spray pipe 35, wash 2 inner walls of fermentation vat through clearance shower nozzle 36, the cleaning effect to 2 insides of fermentation vat has been improved.

In summary, the following steps: the device is provided with a crushing barrel 1 and a fermentation barrel 2, the experimental body is firstly crushed into small blocks before being fermented, a screen mesh 11 is arranged below a crushing cavity 4, the screen mesh 11 is driven to intermittently rotate clockwise and anticlockwise through a screening device 12, the screening efficiency of the experimental body is improved, the screened experimental body slides into a feed opening 15 through a guide plate 14, a grinding block 161 is arranged in the feed opening 15 to grind a block-shaped organism and then enters the fermentation barrel 2 for fermentation, the fermentation efficiency of the experimental body is improved, after the fermentation is finished, clear water is injected into a water injection pipe 33, the clear water is washed from the crushing cavity 4 and falls down along the feed opening 15, at the moment, a baffle plate 17 is moved to the lower part of the grinding block 161 through an adjusting device 37, the clear water enters a water spray pipe 35 from the feed opening 15 to wash the inner wall of the fermentation barrel 2, a cleaning device at the bottom in the washing process drives a brush plate 21 to rotate along the inner wall of the fermentation barrel 2, meanwhile, the fixed gear 29 below the brush plate 21 is meshed with the internal gear 31 on the inner wall of the fermentation barrel 2 to drive the brush plate 21 to rotate, so that the cleaning effect on the fermentation barrel 2 is improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The fermentation device for the bioengineering test comprises a crushing barrel (1) and a fermentation barrel (2), and is characterized in that the crushing barrel (1) is arranged above the fermentation barrel (2), a feed opening (3) is arranged above the crushing barrel (1), a crushing cavity (4) is arranged above the crushing barrel (1), the feed opening (3) is communicated with the crushing cavity (4), a plurality of crushing rollers (5) are transversely arranged on two sides in the crushing cavity (4), one end of each crushing roller (5) penetrates through the crushing cavity (4) and is provided with a rotating belt wheel (6), the upper rotating belt wheel and the lower rotating belt wheel (6) are connected through a belt (7), a first rotating motor (8) is arranged outside each of two sides of the crushing cavity (4), and the first rotating motor (8) is connected with one of the rotating belt wheels (6) on one side of the first rotating belt wheel; a sliding chute (9) is arranged on the circumference of the bottom of the crushing cavity (4), rotary seats (10) are connected in the sliding chute (9) in a sliding mode, screens (11) are arranged between the rotary seats (10), and a screening device (12) is connected below the screens (11); broken chamber (4) bottom outside is provided with a plurality of feed openings (13), there are stock guide (14) in the time of feed opening (13) below, stock guide (14) center department is provided with feed opening (15), be provided with grinder (16) in feed opening (15), stock guide (14) below left and right sides symmetry is provided with baffle (17), the below is provided with connecting tube (18) between baffle (17), connecting tube (18) and fermenter (2) intercommunication.

2. The fermentation device for bioengineering tests according to claim 1, wherein the screening device (12) comprises a mounting cavity (121), a rotating shaft (122) is arranged in the mounting cavity (121), the upper part of the rotating shaft (122) is connected with the center of the bottom of the screen (11), mounting plates (123) are arranged at the center of the rotating shaft (122) in an up-and-down symmetrical manner, a cylindrical cam (124) is arranged in the middle of the mounting plate (123), and grooves (125) are symmetrically arranged at two sides of the mounting plate (123); cylindrical cam (124) bilateral symmetry is provided with runner (126), runner (126) center department is provided with bull stick (127), the outside cover of bull stick (127) is equipped with fixing base (128), the tip fixed mounting of bull stick (127) has L type transfer line (129), L type transfer line (129) are 90 settings and wherein one end fixed mounting has arc gag lever post (1210).

3. The fermentation device for bioengineering tests according to claim 2, wherein the arc-shaped limiting rod (1210) is matched with the groove (125) on the outer side of the mounting plate (123), and one end of the L-shaped transmission rod (129) far away from the arc-shaped limiting rod (1210) is matched with the surface transmission groove of the cylindrical cam (124); the rotating wheels (126) are connected through a transmission belt (1211), and a second rotating motor (1212) is connected with one side rotating wheel (126).

4. The fermentation device for bioengineering experiments according to claim 1, wherein the grinding device (16) comprises a grinding block (161), the upper end of the grinding block (161) is fixedly connected with the bottom of the rotating shaft (122), the grinding block (161) is composed of two symmetrical truncated cone bottom surfaces which are connected, a spiral feeding plate (162) is arranged above the grinding block (161), and a grinding protrusion (163) is arranged below the grinding block (161).

5. The fermentation device for bioengineering experiments according to claim 4, wherein the grinding protrusion (163) is arranged between the feed openings (15), the feed openings (15) are arranged in an inverted cone shape and the grinding plate (164) is arranged at the feed openings (15).

6. The fermentation device for bioengineering tests according to claim 1, wherein a heat preservation chamber (19) is arranged in the fermentation barrel (2), a heating plate (20) is arranged in the heat preservation chamber (19), a plurality of brush plates (21) are circumferentially arranged on the inner wall of the fermentation barrel (2), a cleaning device is connected below the brush plates (21), and support columns (22) are arranged at four corners of the bottom of the fermentation barrel (2).

7. The fermentation device for bioengineering is experimental according to claim 6, characterized in that, cleaning device includes actuating lever (23), actuating lever (23) bottom is connected with driving motor (24), fixedly connected with carriage (26) above actuating lever (23), the tip fixedly connected with sleeve (27) of carriage (26), sliding connection has column spinner (28) in sleeve (27), the upper end of column spinner (28) and the bottom fixed connection of brush board (21), fixed mounting has fixed gear (29) in column spinner (28) center department, spacing seat (30) is installed to fermentation vat (2) inner wall bottom circumference, be provided with internal gear (31) in spacing seat (30), internal gear (31) and fixed gear (29) mesh mutually.

8. The fermentation device for bioengineering tests according to claim 1, wherein a water storage tank (32) is arranged above the crushing cavity (4), a water injection pipe (33) is connected to one side above the water storage tank (32), a plurality of high pressure nozzles (34) are arranged below the water storage tank (32), and the arrangement mode of the high pressure nozzles (34) is from high to low from two sides of the bottom of the water storage tank (32) to the center; the fermentation vat is characterized in that a water spraying pipe (35) is arranged on one side, far away from the connecting pipeline (18), of the baffle plate (17), the water spraying pipe (35) penetrates through the fermentation vat (2), the other end of the water spraying pipe (35) is connected with a cleaning nozzle (36), a water outlet of the cleaning nozzle (36) is close to one side of the inner wall of the fermentation vat (2), and an adjusting device (37) is connected above the baffle plate (17).

9. The fermentation device for bioengineering experiments according to claim 8, wherein the adjusting device (37) comprises a slide rail (371), the slide rail (371) is arranged inside the material guide plate (14), a transmission frame body (372) is connected in the slide rail (371) in a sliding manner, an incomplete gear (373) is arranged inside the transmission frame body (372), rack plates (374) are arranged on the upper and lower sides inside the transmission frame body (372), the incomplete gear (373) is engaged with the rack plates (374), an adjusting seat (375) is connected below the transmission frame body (372) through a support rod, a connecting rod (376) is hinged below the adjusting seat (375), the other end of the connecting rod (376) is hinged with the middle part of the baffle plate (17), a groove body (377) is arranged below the baffle plate (378), and a connecting seat (377) is connected in the groove body (377) in a sliding manner, the connecting seat (378) is fixedly connected with the bottom of the baffle plate (17).