CN202279826U

CN202279826U - Rotating-shaft-type solid fermenting jar

Info

Publication number: CN202279826U
Application number: CN 201120421609
Authority: CN
Inventors: 章金元; 柯明; 丁春华; 石建伟
Original assignee: ZHENJIANG EAST BIOTECH EQUIPMENT AND TECHNOLOGY Co Ltd; JIANGSU HAIHUA BIOTECH CO Ltd
Current assignee: ZHENJIANG EAST BIOTECH EQUIPMENT AND TECHNOLOGY Co Ltd; JIANGSU HAIHUA BIOTECH CO Ltd
Priority date: 2011-10-31
Filing date: 2011-10-31
Publication date: 2012-06-20
Anticipated expiration: 2021-10-31

Abstract

The utility model discloses a rotating-shaft-type solid fermenting jar which comprises a fermenting jar body, a bracket, a turning, stirring and mass-transferring heat transfer device and a driving device, wherein the fermenting jar body and the turning, stirring and mass-transferring heat transfer device are both fixed on the bracket, and the turning, stirring and mass-transferring heat transfer device is driven by the driving device. During a fermenting process, in the rotating-shaft-type solid fermenting jar provided by the utility model, the supplemented water is atomized, the moisture is uniform and the humidity control precision is high. Steam or cooling water can circularly flow in a jacket on the exterior of the fermenting jar and a stirring shaft and a stirring paddle which are positioned in the fermenting jar. Under a suitable stirring condition, a solid culture medium is in full contact with strains and the radiation of the heat in the solid culture medium is accelerated. Under an aerating condition, the heat exchange efficiency is increased and the temperature control precision is high. Meanwhile, the in-place sterilization of the solid culture medium is realized; when the solid culture medium subjected to the dislocated sterilization is placed into the solid fermenting jar, the solid culture medium is prevented from being in contact with external environment again, thus the requirement on environment is reduced; and the fermenting jar can be mounted in a laboratory or workshop of a non-purifying area and the configuration of a culture medium disinfecting device is unnecessary, so that the effect of saving investment is achieved.

Description

A kind of rotary shaft solid-state fermenter

Technical field

The utility model belongs to the bioreactor technology field, is specifically related to a kind of rotary shaft solid-state fermenter.

Background technology

At present, according to the difference of substratum physical behavior in the fermentation technology process, fermentation mode is divided into liquid state fermentation and solid state fermentation two big classes.The traditional solid fermentation technique originates from China, and apart from modern existing history before several thousand, its fermentation technique is more extensive, does not require strict aseptic condition, its employed simple in equipment, even only need excavate Jiao Chi and can ferment.The modern solid-state fermentation is compared the conventional solid-state fermentation very big variation has been taken place, and can realize limiting the purebred intensification cultivation of mikrobe.Modern fermentation is carried out in having the solid-state fermenter of encloses container, needs the aseptically process fermentation raw material, adopts the purebred or qualification bacterial strain mixed fermentation of single bacterial strain.

The used substratum superficies-consolidating of solid state fermentation area is big; Mikrobe is easy to growth; And because mikrobe is to grow under the situation near state of nature; Therefore can produce some enzymes that when liquid state fermentation, can not produce or other meta-bolitess, particularly many filamentous funguss only just can reach best growth and metaboilic level when solid state fermentation.In addition, the output of solid state fermentation is high than liquid state fermentation, and aftertreatment is easy, it is few to pollute, basic non-wastewater discharge.Owing to have these characteristics,, more and more pay attention to the research and development of solid-state fermentation technology both at home and abroad, and obtained remarkable progress along with the influence of science and technology development and Sustainable development.As the important support platform of solid-state fermentation technology, solid state fermentation equipment plays a part very important to the research and development of solid-state fermentation technology.Existing solid state fermentation equipment mainly contains structure formations such as tray formula, post are tower, conveyor type, rotary drum, mechanical stirring barrel mast formula.For existing solid state fermentation equipment; Solid medium generally need be sterilized by outside sterilization equipment and dropped in the solid state fermentation equipment after (sterilization of promptly offing normal) again; For avoiding secondary pollution, than higher, general requirement possesses certain cleanliness factor to solid state fermentation equipment environment requirement of living in.The solid medium that solid state fermentation utilized is the metabolic carbon source of microorganism growth and the energy, also is the microenvironment of microorganism growth.Because there is not or almost do not have the existence of free-water, solid state fermentation mainly is to rely on gas to carry out the transmission of heat, nutritive substance and product, and exchange efficiency is very low.Therefore, suitable growing environment is provided for microorganism solid fermentation, solid-state fermenter just need have good stirring, ventilation, heat radiation and cooling system, to carry out aseptic technique.And the problem of solid medium heat radiation, mass transfer difficulty is perplexing existing solid-state fermenter always, thereby has also restricted the fast development of modern solid-state fermentation technology.

Summary of the invention

Goal of the invention: to the deficiency that exists in the prior art, the purpose of the utility model provides a kind of rotary shaft solid-state fermenter, to realize effectively solving problems such as solid-state fermenter heat radiation, mass transfer and sterilization difficulty.

Technical scheme: in order to realize the foregoing invention purpose, the technical scheme that the utility model adopts is:

A kind of rotary shaft solid-state fermenter comprises fermentation tank body, support, rotation stirring mass-and heat-transfer device and drive unit; The fermentation tank body stirs the mass-and heat-transfer device with rotation and all is fixed on the support, and rotation is stirred the mass-and heat-transfer device and driven by drive unit;

Described fermentation tank body is the horizontal cylindrical tank body, comprises inner core, on inner core, is provided with chuck, is provided with end cap at an end of inner core, at the bottom of the other end is provided with tin; On tank body, also be provided with venting port, temperature sensor interface, thief hole, humidity sensor interface, inlet mouth, water supplement port, band visor hand hole, lamp mirror and inoculation mouth;

Described rotation is stirred the mass-and heat-transfer device and is comprised stir shaft and the mixing component that is located in the inner core, and is located at inner core outer coupling, interior tracheae and swivel joint; Described stir shaft is the body of end sealing, is made up of interior pipe and outer tube, and interior pipe box is contained in the outer tube, forms inner chamber body and outer chamber; Described mixing component comprises the agitating vane of inner connecting tube, extension tube attached and hollow, described inner connecting tube communication with cavity body and agitating vane, and described extension tube attached is communicated with outer chamber and agitating vane; Tracheae is sleeved in the swivel joint in described, and coupling links swivel joint and outer tube, and outer chamber is connected with cooling water pipeline with the steam of peripheral hardware, and interior tracheae links to each other with interior pipe, through the internal connection sealing, inner chamber body is connected with the peripheral hardware discharge pipe;

In described coupling, be provided with follower gear or driven sprocket, link to each other with drive unit, on stir shaft, be provided with bearing, described bearing is processed by chock, at the bottom of described chock is connected tin and between the support.

Described drive unit is a chain transmission system; Comprise reducing motor, drive sprocket, roller chain and driven sprocket; Driven sprocket is located in the coupling; Drive sprocket links to each other with reducing motor, reducing motor through retaining plate be fixed on support near bottom position, drive sprocket is connected with roller chain with driven sprocket.Be provided with guard shield in described drive sprocket, roller chain and driven sprocket periphery.

Be provided with the chuck import in described chuck bottom, JO be set near the chuck tip position.Described chuck is wrapped on the inner core, removes the inner core top and reaches near tip position.Described end cap links to each other through flange, axle ear and being used with inner core of pivot pin, on end cap, is provided with handle; Described venting port, temperature sensor interface and thief hole all are located on the end cap.On at the bottom of described humidity sensor interface, inlet mouth and water supplement port are located at tin.Described band visor hand hole, lamp mirror and inoculation mouthful all are located at the inner core top or near tip position.

Described agitating vane becomes 45 ° angle to be connected with extension tube attached.

Described internal connection is the cylinder internal connection of hollow, is provided with some grooves in its periphery, between pipe and the outer tube, seals through sealing-ring and the interior pipe that is communicated with and interior tracheae in internal connection is sleeved on.

Beneficial effect: compare with solid-state fermenter of the prior art, the remarkable advantage that the rotary shaft solid-state fermenter of the utility model has comprises: during the fermentation, the inner aerosolizable moisturizing of solid-state fermenter, moisture is even, and the humidity control accuracy is high.Can carry out circulating of steam or water coolant in the chuck that fermentor tank is outside and the stir shaft of inside, the agitating vane; Under suitable stirring; Solid medium fully contacts with bacterial classification; And accelerated distributing of solid medium internal heat, and under aeration condition, having improved heat exchanger effectiveness, temperature control precision is high.Realized solid medium sterilization on the throne simultaneously; Contact outside atmosphere when having avoided substratum to off normal sterilization back immigration solid-state fermenter again; Thereby reduced environment requirement; Fermentor tank can be installed in the laboratory or the workshop of non-purifying area, and has save necessity of configuration substratum sterilization equipment, and these can reach the effect of reducing investment outlay.In addition, this apparatus structure is compact, easy to operate and saving space.Have good practicability, can produce favorable economic benefit and social benefit.

Description of drawings

Fig. 1 is the structural representation of rotary shaft solid-state fermenter;

Fig. 2 is an I place partial enlarged drawing among Fig. 1;

Fig. 3 is the structural representation of interior tracheae 34;

Fig. 4 is the side-view of rotary shaft solid-state fermenter;

Fig. 5 is the structural representation of stir shaft assembly 11;

Fig. 6 is the side-view of stir shaft assembly 11;

Fig. 7 is the side-view of internal connection 35.

Embodiment

Below in conjunction with concrete accompanying drawing the utility model is done further explanation.

Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and shown in Figure 7, the rotary shaft solid-state fermenter comprises fermentation tank body, support 15, rotates and stir mass-and heat-transfer device and drive unit.

The fermentation tank body is the horizontal cylindrical tank body, comprises inner core 9, the end welding tube end 13 of inner core 9; The other end welding flange 7; Flange 7 is assembled together through axle ear 40 and pivot pin 41 with end cap 1, seals with sealing-ring 6 between flange 7 and the end cap 1, and inner core 9 peripheral distribution have chuck 10; Because solid materials can not contact the top of inner core 9, so chuck 10 preferably only coats the middle and lower part of inner core 9.The tube end 13, have axis hole, and axis hole center B departs from inner core center A straight down, is uniformly distributed with the screw hole of fixed bearing block 25 around the axis hole; The tube end 13, also be provided with inlet mouth 28, water supplement port 29 and humidity sensor interface 14, and end cap 1 is provided with handle 4, also is provided with venting port 2, temperature sensor interface 3 and thief hole 5 in addition; Thief hole 5 is near the bottom of inner core 9; Inner core 9 tops are provided with band visor hand hole 30, lamp mirror 31, and according to the length of inner core 9 several inoculations mouthfuls 43 are set evenly vertically, evenly inoculate to solid medium guaranteeing; A chuck import 12 is established in chuck 10 bottoms, and a JO 42 is respectively established near two relative positions of edge in top.Can solid medium be packed into after opening end cap 1, also can the solid materials of fermentation ends be drawn off, because operating surface is big, easy to operate.Thief hole 5 all is furnished with sillicon rubber blocking with inoculation mouth 43, can use the contact pin of the bacterium of going out to puncture in the time of need carrying out relating operation.

Horizontal columniform tank body is fixed on the support 15, can adopt modes such as bolt connection or welding, and materials such as support 15 usefulness square tubes, angle steel and channel-section steel are welded, and its bottom support face is slightly larger than the projection plane of equipment integral, guarantees that equipment is firm.

Rotate stirring mass-and heat-transfer device and comprise stir shaft 8 and the mixing component 11 that is located in the inner core 9, and be located at coupling 33, interior tracheae 34 and the swivel joint 22 outside the inner core 9.Mixing component 11 comprises stir shaft 8; Stir shaft 8 is the hollow structures with inside and outside two cavitys; Stir shaft 8 vertically is uniformly distributed with single blade agitating vane 48 of several rectangular hollow according to the length of inner core 9 and agitating vane 48 in the inner part of fermentor tank; These agitating vanes 48 are being evenly distributed in 360 ° of scopes on the xsect of stir shaft 8; When stir shaft 8 rotates, can reach no dead angle to solid medium and evenly stir, the petiole that agitating vane 48 has two hollows is communicated with inside and outside two cavitys of stir shaft 8 respectively.In the present embodiment; Two extension tube attached 47 are as two petioles of rectangular hollow agitating vane 48, and extension tube attached 47 is communicated with the cavity of agitating vane 48 respectively, and becomes 45 ° of welding with the plane of agitating vane 48; Two agitating vanes 48 become 180 ° and dislocation to be welded on the both sides of stir shaft 8 through extension tube attached 47 relatively; Inside and outside two cavitys of stir shaft 8 are made up of with outer tube 38 concentric sockets interior pipe 37 respectively, and the diameter of interior pipe 37 is much smaller than the diameter of outer tube 38, and length slightly is shorter than the length of outer tube 38; Pipe 37 formation inner chamber body 49 form outer chamber 50 in after interior pipe and outer tube socket-connect between interior pipe 37 and the outer tube 38.In pipe 37 end in inner core 9 had two holes; The external diameter of aperture and inner connecting tube 46 is suitable; Outer tube 38 corresponding positions have four holes, and wherein the external diameter with the aperture in corresponding two holes of interior pipe 37 perforates and inner connecting tube 46 is suitable, and the external diameter of the aperture in two other hole and extension tube attached 47 is suitable; The position in all these holes is corresponding with the installation site of four extension tube attached 47 of two agitating vanes 48; The other end of interior pipe 37 has two o-ring grooves, and the length of said inner connecting tube 46 confirms that according to the spacing between interior pipe and the outer tube perforate of pipe and outer tube processed corresponding curved surface in its two ends can cooperate respectively.At first the end with interior pipe 37 blocks with baffle plate 44 welding, and two o-ring grooves of the other end put O type circle 36, are welded on two inner connecting tubes 46 respectively on two holes of interior pipe 37 then.Interior pipe 37 is inserted in outer tube 38; Adjusting its position makes two inner connecting tubes 46 align with outer tube 38 corresponding two holes; Welding is respectively welded the space, end that blocks outer tube 38 and interior pipe 37 with back-up ring 45, at this moment afterwards; Baffle plate 44 and back-up ring 45 be on same plane, at last the extension tube attached 47 of two agitating vanes 48 aimed at the perforate of outer tube 38 respectively and weld together with it.The internal diameter of cylindrical internal connection 35 external diameters and outer tube 38 is suitable; The external diameter of the aperture of intermediate throughholes and interior pipe 37 is suitable, the groove that its periphery uniform distribution axially connects, and internal connection 35 is inserted in outer tube 38; Its end face is concordant basically with the end face of outer tube 38; With the two welding, pipe 37 is inserted into the approximately half the degree of depth of internal connection 35 through holes in this moment, and pipe 37 forms sealing with the contact surface of internal connection 35 through holes in 36 pairs on two O type circles.The external diameter of cylindrical coupling 33 is identical with the external diameter of outer tube 38; Its through-hole diameter is identical with the internal diameter of the outer tube body 32 of swivel joint 22, and in addition, its through-hole diameter is greater than the external diameter of interior pipe 37; The groove that can pass through internal connection 35 peripheries simultaneously is communicated with outer chamber 50; One end of coupling 33 and outer tube 38 butt welding, the other end has the IT that matches with the outside screw of swivel joint outer tube body 32, and coupling 33 removes and is connected with swivel joint 22; Also will be connected with the driven sprocket 23 of transmission mechanism, therefore which is provided with keyway can assemble flat key 39.Stir shaft 8 is assemblied on the tank body through 13 axis hole at the bottom of the tube, seals with mechanical seal 27 in the junction of the outside stir shaft 8 of tank body with axis hole.The stir shaft stationary installation comprises bearing 26, chock 25 etc., and on 13, the other end was fixed on the support 15 through anchor 20 at the bottom of an end of chock 25 was fixed on tin.The coupling 33 of stir shaft 8 assembles driven sprocket 23; Then with the interior pipe of interior tracheae 34 and swivel joint 22 through being threaded; The internal diameter of interior tracheae 34 and external diameter are identical with interior pipe 37, and the one of which end is the outside screw that matches with the interior pipe IT of swivel joint 22, and the other end has two o-ring grooves; O-ring groove puts O type circle 36; The swivel joint 22 of tracheae 34 fits together with stir shaft 8 in will assembling afterwards, with the through hole of interior tracheae 34 aligning internal connections 35, the outer tube body 32 and the coupling 33 of swivel joint 22 is screwed; Tracheae 34 can insert the half the approximately degree of depth of internal connection 35 just in this moment; Tracheae 34 forms sealing with the contact surface of internal connection 35 through holes in 36 pairs on two O type circles, and so stir shaft inner chamber body 49 is communicated with the interior pipe of swivel joint 22 through interior tracheae 34, and outer chamber 50 is communicated with the outer tube body 32 of swivel joint 22.The interior pipe of swivel joint 22 will be connected with discharge pipe, and outer tube body 32 will be connected with cooling water pipeline with steam.Swivel joint in the present embodiment is selected QS-G type bidirectional flow general formula for use, and itself and stir shaft 8 assembling backs are fixed on the support 15 through retaining plate 23.

Drive unit can be chain transmission system; Comprise reducing motor 17, drive sprocket 16, roller chain 19 and driven sprocket 23; Driven sprocket 23 is assemblied on the stir shaft 8, and drive sprocket 16 is assemblied on the reducing motor 17, and reducing motor 17 is fixed on the position of support 15 near the bottom through retaining plate 18; Drive sprocket 16 is connected with roller chain 19 with driven sprocket 23, is provided with guard shield 21 outside drive sprocket 16, roller chain 19 and the driven sprocket 23.

The remarkable advantage that the rotary shaft solid-state fermenter of the utility model has comprises: during the fermentation, the inner aerosolizable moisturizing of solid-state fermenter, moisture is even, and the humidity control accuracy is high.Can carry out circulating of steam or water coolant in the chuck that fermentor tank is outside and the stir shaft of inside, the agitating vane; Under suitable stirring; Solid medium fully contacts with bacterial classification; And accelerated distributing of solid medium internal heat, and under aeration condition, having improved heat exchanger effectiveness, temperature control precision is high.Realized solid medium sterilization on the throne simultaneously; Contact outside atmosphere when having avoided substratum to off normal sterilization back immigration solid-state fermenter again; Thereby reduced environment requirement; Fermentor tank can be installed in the laboratory or the workshop of non-purifying area, and has save necessity of configuration substratum sterilization equipment, and these can reach the effect of reducing investment outlay.In addition, this apparatus structure is compact, easy to operate and saving space.Have good practicability, can produce favorable economic benefit and social benefit.

Claims

1. a rotary shaft solid-state fermenter is characterized in that: comprise fermentation tank body, support (15), rotate and stir mass-and heat-transfer device and drive unit; The fermentation tank body stirs the mass-and heat-transfer device with rotation and all is fixed on the support (15), and rotation is stirred the mass-and heat-transfer device and driven by drive unit;

Described fermentation tank body is the horizontal cylindrical tank body, comprises inner core (9), on inner core (9), is provided with chuck (10), is provided with end cap (1) at an end of inner core (9), at the bottom of the other end is provided with tin (13); On tank body, also be provided with venting port (2), temperature sensor interface (3), thief hole (5), humidity sensor interface (14), inlet mouth (28), water supplement port (29), band visor hand hole (30), lamp mirror (31) and inoculation mouthful (43);

Described rotation is stirred the mass-and heat-transfer device and is comprised stir shaft (8) and be located at the mixing component (11) in the inner core (9), and is located at inner core (9) outer coupling (33), interior tracheae (34) and swivel joint (22); Described stir shaft (8) is the body of end sealing, is made up of interior pipe (37) and outer tube (38), and interior pipe (37) is sleeved in the outer tube (38), forms inner chamber body (49) and outer chamber (50); Described mixing component (11) comprises the agitating vane (48) of inner connecting tube (46), extension tube attached (47) and hollow; Described inner connecting tube (46) communication with cavity body (49) and agitating vane (48), described extension tube attached (47) is communicated with outer chamber (50) and agitating vane (48); Tracheae (34) is sleeved in the swivel joint (22) in described; Coupling (33) links swivel joint (22) and outer tube (38); Outer chamber (50) is connected with cooling water pipeline with the steam of peripheral hardware; Interior tracheae (34) links to each other with interior pipe (37), through internal connection (35) sealing, inner chamber body (49) is connected with the peripheral hardware discharge pipe;

In described coupling (33), be provided with follower gear or driven sprocket (23); Link to each other with drive unit; On stir shaft (8), be provided with bearing (26); Described bearing (26) is processed by chock (25), at the bottom of described chock (25) is connected tin between (13) and the support (15).

2. rotary shaft solid-state fermenter according to claim 1; It is characterized in that: described drive unit is a chain transmission system; Comprise reducing motor (17), drive sprocket (16), roller chain (19) and driven sprocket (23); Driven sprocket (23) is located in the coupling (33); Drive sprocket (16) links to each other with reducing motor (17), reducing motor (17) through retaining plate (18) be fixed on support (15) near bottom position, drive sprocket (16) is connected with roller chain (19) with driven sprocket (23).

3. rotary shaft solid-state fermenter according to claim 2 is characterized in that: be provided with guard shield (21) in described drive sprocket (16), roller chain (19) and driven sprocket (23) periphery.

4. rotary shaft solid-state fermenter according to claim 1 is characterized in that: be provided with chuck import (12) in described chuck (10) bottom, near chuck (10) tip position JO (42) be set.

5. rotary shaft solid-state fermenter according to claim 1 is characterized in that: described chuck (10) is wrapped on the inner core (9), removes inner core (9) top and reaches near tip position.

6. rotary shaft solid-state fermenter according to claim 1 is characterized in that: described end cap (1) links to each other through flange (7), axle ear (40) and being used with inner core (9) of pivot pin (41), on end cap (1), is provided with handle (4); Described venting port (2), temperature sensor interface (3) and thief hole (5) all are located on the end cap (1).

7. rotary shaft solid-state fermenter according to claim 1 is characterized in that: at the bottom of described humidity sensor interface (14), inlet mouth (28) and water supplement port (29) are located at tin on (13).

8. rotary shaft solid-state fermenter according to claim 1 is characterized in that: described band visor hand hole (30), lamp mirror (31) and inoculation mouthful (43) all are located at inner core (9) top or near tip position.

9. rotary shaft solid-state fermenter according to claim 1 is characterized in that: described agitating vane (48) becomes 45 ° angle to be connected with extension tube attached (47).

10. rotary shaft solid-state fermenter according to claim 1; It is characterized in that: described internal connection (35) is the cylinder internal connection of hollow; Be provided with some grooves in its periphery; Internal connection (35) is sleeved between interior pipe (37) and the outer tube (38), through sealing-ring and interior pipe (37) that is communicated with and interior tracheae (34) sealing.