CN205275580U

CN205275580U - Agitating unit for fermentation cylinder

Info

Publication number: CN205275580U
Application number: CN201520964861.1U
Authority: CN
Inventors: 陈光南
Original assignee: SHANGHAI RITAI MEDICINE EQUIPMENT PROJECT CO Ltd
Current assignee: SHANGHAI RITAI MEDICINE EQUIPMENT PROJECT CO Ltd
Priority date: 2015-11-27
Filing date: 2015-11-27
Publication date: 2016-06-01
Anticipated expiration: 2025-11-27

Abstract

The utility model discloses an agitating unit for fermentation cylinder in biochemical equipment field, stretch into from the central stirring interface of top cap that is located the fermentation cylinder top including a foundation portion the (mixing) shaft that the jar body of fermentation cylinder, top and motor are connected, and be located the stirring interface interior circumference with mechanical seal between the (mixing) shaft is radial, a set of being located has been cup jointed on the (mixing) shaft jar internal last stirring rake and a plurality of histotope in go up the lower stirring rake of stirring rake below, go up the stirring rake with height such as liquid supplying port on the jar body, the diameter of going up the stirring rake is greater than the diameter of lower stirring rake, just the lower edge of going up the stirring rake is equipped with the stirring tooth. Its technological effect is: it can prevent that jar internal thallus from in the damage of cultivateing the in -process, preventing in fermentation process simultaneously, and the production of jar internal foam reduces the use amount of defoaming agent, also need not connect defoaming equipment, has simplified equipment and has improved the quality of fermentation.

Description

A kind of fermentor tank whipping appts

Technical field

The utility model relates to a kind of fermentor tank whipping appts in biochemical equipment field.

Background technology

Fermentation is the important step in biotechnology, and fermentation equipment is the important equipment of biotechnology support equipment. Fermentation equipment provides the growth and breeding condition of the best to engineering bacteria or engineering cell, comprise the external conditionss such as temperature, potential of hydrogen, stirring velocity and dissolved oxygen content, after making engineering bacteria or engineering cell growth and breeding, to comprise the various biochemical substances of form maximum ground output people's needs of body or supernatant liquor.

Current fermentor tank, comprises tank body and control part, and controls part and can be divided into computer heating control unit, pH value control unit, dissolved oxygen content control unit and stirring velocity control unit. Control part by controlling above-mentioned part to control the temperature of fermented liquid, pH value, dissolved oxygen content and stirring velocity, provide the external conditions needed for it to the growth and breeding of engineering bacteria or engineering cell.

Fermentor tank is very big on the impact of ferment effect. Due to the acellular wall of zooblast, shearing force is responsive, and the mixing speed that thus cannot improve fermentor tank whipping appts is to increase contact probability, to prevent the damage of cell, simultaneously in whipping process, the foam produced due to cellular respiration effect is also a problem that cannot ignore.

Practical novel content

The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of fermentor tank whipping appts is provided, the damage of its thalline being possible to prevent in tank body in culturing process, prevent in fermenting process simultaneously, the generation of foam in tank body, reduce the usage quantity of defoamer, also do not need to connect defoaming equipment, simplify equipment and improve the quality of fermentation.

A kind of technical scheme realizing above-mentioned purpose is: a kind of fermentor tank whipping appts, comprise the tank body that a root bottom part stretches into described fermentor tank from the stirring interface at the top cover center being positioned at fermentor tank top, the stir shaft that top is connected with motor, and the mechanical seal between the inner periphery and described stir shaft radial direction of described stirring interface;

Described stir shaft is socketed with one group of upper stirring rake being positioned at described tank body and some groups be positioned at the lower stirring paddle below described upper stirring rake, fluid infusion mouth on described upper stirring rake and described tank body is contour, the diameter of described upper stirring rake is greater than the diameter of described lower stirring paddle, and the lower edge of described upper stirring rake is provided with stirrer gear.

Further, described mechanical seal comprises the mechanical seal between described stirring interface and described stir shaft radial direction, described mechanical seal comprises: the lower machine envelope seat fixing with described top cover, seal at described lower machine and above seat, seal the fixing upper machine envelope seat of seat with described lower machine, described lower machine envelope seat, described upper machine envelope seat and described stir shaft surround machine sealing chamber, the upper quiet ring fixing with described upper machine sealing chamber bottom surface it is provided with in described machine sealing chamber, the lower quiet ring fixing with described lower machine sealing chamber end face, it is socketed with described stir shaft, and with the upper dynamic ring of described quiet ring forced contact, and with the socket of described stir shaft and with the lower dynamic ring of described lower quiet ring forced contact, it is provided with dynamic ring linking springs between described dynamic ring and described lower dynamic ring.

Further, the radial outside of described upper machine envelope seat is socketed with and seals the fixing support of seat with described lower machine, bearing chamber is formed between described support and described stir shaft, described bearing chamber be respectively equipped with head bearing and lower bearing up and down between two ends, described head bearing and described lower bearing are spot contact bearing.

Further, the top of described head bearing, is provided with the bearing compacting ring being socketed with described stir shaft from bottom to up successively, lower only withdrawing nut and floor clip and upper only withdrawing nut.

Further, described motor is connected by diaphragm formula shaft coupling with the top of described stir shaft.

Further, the top of described support is provided with the motor seat for fixing described motor.

Have employed the technical scheme of a kind of fermentor tank whipping appts of the present utility model, comprise the tank body that a root bottom part stretches into described fermentor tank from the stirring interface at the top cover center being positioned at fermentor tank top, the stir shaft that top is connected with motor, and the mechanical seal between the inner periphery and described stir shaft radial direction of described stirring interface; Described stir shaft is socketed with one group of upper stirring rake being positioned at described tank body and some groups be positioned at the lower stirring paddle below described upper stirring rake, fluid infusion mouth on described upper stirring rake and described tank body is contour, the diameter of described upper stirring rake is greater than the diameter of described lower stirring paddle, and the lower edge of described upper stirring rake is provided with stirrer gear. Its technique effect is: the damage of its thalline being possible to prevent in tank body in culturing process, prevent in fermenting process, the generation of foam in tank body simultaneously, reduce the usage quantity of defoamer, do not need to connect defoaming equipment, simplify equipment and improve the quality of fermentation yet.

Accompanying drawing explanation

Fig. 1 is the structural representation of fermentor tank.

Fig. 2 is the schematic diagram of the A-A section of Fig. 1.

Fig. 3 is the schematic diagram of the B-B section of the utility model Fig. 1.

Fig. 4 is the structural representation of the top cover of fermentor tank.

Fig. 5 is the structural representation of a kind of fermentor tank whipping appts of the present utility model.

Fig. 6 is the schematic diagram of the feed-pipe of fermentor tank.

Embodiment

Referring to Fig. 1, contriver of the present utility model, in order to can the technical solution of the utility model be understood better, below by specifically embodiment, and is described in detail by reference to the accompanying drawings:

Referring to Fig. 1, a kind of fermentor tank of the present utility model, comprises tank body 1, and the bottom of tank body 1 is closed by torispherical head 11. The circumferential wall of tank body 1 bottom is provided with the closed bottom of torispherical head 11 by tank body 1, and the bottom of torispherical head 11 is provided with diaphragm valve 111 at the bottom of tank. The supporting leg 12 supporting tank body 1 it is provided with between tank body 1 and ground. Circumference around the bottom of tank body 1 is provided with the sampling connection 1a being applied to sampling, for the temperature electrode interface 1b of grafting temperature electrode, for the PH electrode interface 1c and DO electrode interface 1d of grafting PH electrode.

It is provided with jacket cylinder 2 around the excircle of tank body 1 and torispherical head 11. Wherein the water-in 21 of jacket cylinder 2 is provided with the lower section of torispherical head 11, and water outlet 22 is provided with the top of jacket cylinder 1.

The top socket tank flange 13 of tank body 1, the top of tank body 1 is closed by top cover 3, is fixed by closure stud 131 and tank deck sealing-ring 132 between top cover 3 and tank body 1. Around the circumference of tank body 1 end face, it is provided with the inlet pipe interface 3a for grafting inlet pipe 31 successively, for the level electrode interface 3b of grafting level electrode, disappear for grafting and steep the bubble electrode interface 3c that disappears of electrode, for the inoculation interface 3d inoculated, for the charging interface 3e of grafting feed-pipe 32, for the tensimeter interface 3f of setting pressure table, for the cleaning interface 3g cleaned, and the escape pipe interface 3h and lamp mirror 3i for grafting escape pipe.

The excircle of tank body 1 is also provided with some and is positioned at the feed supplement connector 14 above jacket cylinder 2.

Tank body 1 is also provided with the side mirror 15 contour with jacket cylinder 2.

The inside of tank body 1, around the inner peripheral wall of tank body 1, the baffle plate 16 being evenly equipped with on some inner peripheral walls being vertically fixed on tank body 1, the effect of baffle plate 16 is to prevent the bacterium in tank body 1 from being damaged.

The radial center of top cover 3 is provided with the stirring interface 3j for fixing whipping appts 4. Stir in interface 3j and whipping appts 4 is installed, a kind of fermentor tank whipping appts 4 of the present utility model comprises stir shaft 41, it is inner that stir shaft 41 stretches into tank body 1 from the stirring interface 3j of top cover 3, the lower machine envelope seat 42 fixing with top cover 3 it is provided with between stir shaft 41 and the inner periphery stirring interface 3j, the top of lower machine envelope seat 42 is provided with seals the co-axially fixed upper machine envelope seat 43 of seat 42 with lower machine, is fixed by bolt and sealing-ring between lower machine envelope seat 42 and upper machine envelope seat 43. Form machine sealing chamber between upper machine envelope seat 43, lower machine envelope seat 42 and stir shaft 41, it is provided with in described machine sealing chamber and seals the fixing upper quiet ring 431 in seat 43 bottom surface with upper machine, and seal the fixing lower quiet ring 421 of seat 42 end face with lower machine. Between upper machine envelope seat 43 and upper quiet ring 431, and it is equipped with sealing-ring between lower machine envelope seat 42 and lower quiet ring 421. The upper dynamic ring 432 that lower section is provided with stir shaft 41 is socketed of upper quiet ring 431, the lower dynamic ring 422 that the top of lower quiet ring 421 is provided with stir shaft 41 is socketed, lower dynamic ring 422 and lower quiet ring 421 forced contact, upper dynamic ring 432 and upper quiet ring 431 forced contact. Dynamic ring linking springs it is provided with down between dynamic ring 422 and upper dynamic ring 432. Descend dynamic ring 422 and it is equipped with wear ring between upper quiet ring 432 and stir shaft 41. Thus descending machine envelope seat 42, upper machine envelope seat 43, lower quiet ring 421, lower dynamic ring 422, upper quiet ring 431, upper dynamic ring 432 and described dynamic ring linking springs, form the mechanical seal preventing material loss in tank body 1. This mechanical seal result of use is good, is particularly useful for all kinds of biochemical equipment.

The radial outside of upper machine envelope seat 43 is socketed with support 44, is bolted between support 44 and lower machine envelope seat 42, is fixed by bolt and sealing-ring between support 44 and upper machine envelope seat 43. Forming bearing chamber between support 44 and stir shaft 41, the correspondence of two ends up and down in described bearing chamber is provided with head bearing 452 and lower bearing 451. Head bearing 451 and lower bearing 452 are spot contact bearing.

The bearing compacting ring 461 being socketed on stir shaft 41 it is provided with above head bearing 452, and above bearing compacting ring 461 with stir shaft 41 be socketed, the lower only withdrawing nut 462 arranged successively from bottom to up and floor clip 463 and upper only withdrawing nut 464, head bearing 452 and lower bearing 451 in the vertical direction are fixed, and the position preventing head bearing 452 and lower bearing 451 offsets.

The top of support 44 is socketed with the motor seat 47 for fixed electrical machinery 5, is connected by diaphragm formula shaft coupling 48 between motor 5 and the top of stir shaft 41, and diaphragm formula shaft coupling 48 is fixed by key and stir shaft 41.

Stir shaft 41 is also provided with in tank body 1 with stir shaft socket upper stirring rake 411, and some joints tank body 1 in under successively with stir shaft 41 socket lower stirring paddle 412. The radical length wherein going up stirring rake 411 is greater than the radical length of lower stirring paddle 412, and the lower edge wherein going up stirring rake 411 is provided with lower stirrer gear. The object of design is that upper stirring rake 411 can accelerate the convection velocity of material in tank body 1 like this, material is mixed in tank body 1, and prevents the generation of foam in tank body 1. And lower stirring paddle 412 can reduce the generation stirring damage bacterial classification, thus improve the quality of fermentation.

Inlet pipe 31 is divided into the vertical inlet pipe 311 vertically stretching into inlet pipe interface 3a, and with the horizontal air inlet pipe 312 being connected bottom vertical inlet pipe 311, horizontal air inlet pipe 312 is positioned at the lower section that stir shaft 41 lowermost end one saves lower stirring paddle 412. Being equipped with ventilating pit (not shown) in vertical inlet pipe 311 and horizontal air inlet pipe 312, the object of design is to realize carbonic acid gas being uniformly distributed in tank body 1 like this.

The feed-pipe 32 of the charging interface 3e grafting of top cover 3 end face is a bend pipe, it is possible to reduce the infringement for bacterial classification in fill process.

Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and not it is used as restriction of the present utility model, as long as in spirit of the present utility model, change, the modification of the above embodiment all will be dropped in Claims scope of the present utility model.

Claims

1. a fermentor tank whipping appts, comprise the tank body that a root bottom part stretches into described fermentor tank from the stirring interface at the top cover center being positioned at fermentor tank top, the stir shaft that top is connected with motor, and the mechanical seal between the inner periphery and described stir shaft radial direction of described stirring interface, it is characterised in that:

2. a kind of fermentor tank whipping appts according to claim 1, it is characterized in that: described mechanical seal comprises the mechanical seal between described stirring interface and described stir shaft radial direction, described mechanical seal comprises: the lower machine envelope seat fixing with described top cover, seal at described lower machine and above seat, seal the fixing upper machine envelope seat of seat with described lower machine, described lower machine envelope seat, described upper machine envelope seat and described stir shaft surround machine sealing chamber, the upper quiet ring fixing with described upper machine sealing chamber bottom surface it is provided with in described machine sealing chamber, the lower quiet ring fixing with described lower machine sealing chamber end face, it is socketed with described stir shaft, and with the upper dynamic ring of described quiet ring forced contact, and with the socket of described stir shaft and with the lower dynamic ring of described lower quiet ring forced contact, it is provided with dynamic ring linking springs between described dynamic ring and described lower dynamic ring.

3. a kind of fermentor tank whipping appts according to claim 2, it is characterized in that: the radial outside of described upper machine envelope seat is socketed with and seals the fixing support of seat with described lower machine, bearing chamber is formed between described support and described stir shaft, described bearing chamber be respectively equipped with head bearing and lower bearing up and down between two ends, described head bearing and described lower bearing are spot contact bearing.

4. a kind of fermentor tank whipping appts according to claim 2, it is characterised in that: the top of described head bearing, is provided with the bearing compacting ring being socketed with described stir shaft from bottom to up successively, lower only withdrawing nut and floor clip and upper only withdrawing nut.

5. a kind of fermentor tank whipping appts according to claim 2, it is characterised in that: described motor is connected by diaphragm formula shaft coupling with the top of described stir shaft.

6. a kind of fermentor tank whipping appts according to claim 3, it is characterised in that: the top of described support is provided with the motor seat for fixing described motor.