CN202688316U - Gas-liquid mixing jet device - Google Patents

Abstract

The utility model belongs to the technical field of fermentation production equipment and particularly relates to a gas-liquid mixing jet device suitable for an aerobic fermentation tank. The gas-liquid mixing jet device comprises an air inlet interface, an annular pipe, branch pipes, jet devices and fixed feet, wherein the air inlet interface, the branch pipes and the fixed feet are fixedly arranged on the annular pipe. The annular pipe is communicated with the branch pipes, 3-12 branch pipes are arranged on the annular pipe, the branch pipes are connected with the jet devices, and the jet directions of the jet devices are arranged in a clockwise direction. The gas-liquid mixing jet device has the advantages of being reasonable in design, simple in structure, convenient to use and good in ventilation effect and running stably.

Description

The gas-liquid mixed fluidic device

Technical field

The utility model belongs to the fermentative production equipment technical field, particularly relates to a kind of gas-liquid mixed fluidic device that is applicable to aerobic fermentation tank.

Background technology

At present, the general breather that in aerobic fermentation tank, adopts, its ventilating mode has three kinds: the one, and single hole pipe gas distribution places at the bottom of the fermentor tank tank, Open Side Down, the single hole tubular construction is simple, can eliminate again the precipitation of solid matter at the bottom of the tank, but because the erosion of air at the bottom of to tank is serious, the life cycle of fermentor tank is shorter; The 2nd, the porous ring pipe is offered the multi-turn aperture in the ring pipe bottom, and gas distribution is more even, but easily makes the feed blocking aperture, causes that sterilization is not saturating; The 3rd, at ring pipe the L shaped arm of 4-6 root is set, all to the fermentor tank medullary ray, it is simple in structure for the opening of arm, but not thorough to the removing of tank bottoms.Above-mentioned three kinds of ventilating modes in actual use, maximum drawback exists also that bubble diameter is directly proportional with air flow and steam tank body strenuous vibration when directly reality disappears.In order to overcome the existing problem of general breather, people are studying more preferably breather always.

The utility model content

For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of reasonable in design, simple in structure, easy to use, stable, gas-liquid mixed fluidic device that ventilatory effect is good.

The new purpose of this practicality is to adopt such technical solution to realize: the gas-liquid mixed fluidic device, it comprises intake interface, ring pipe, arm, ejector and fixing feet, it is characterized in that being fixedly installed on the ring pipe intake interface, arm and fixing feet, described ring pipe communicates with arm, on ring pipe, be provided with at least three arms, be connected with ejector on the described arm, the jet direction of described ejector arranges in the direction of the clock.

Described gas-liquid mixed fluidic device, it is characterized in that described ejector is made of nozzle, web member and diffuser tube, be connected by web member between described nozzle and the diffuser tube, nozzle is corresponding with diffuser tube, the two ends of described diffuser tube are horn-like, the middle part of diffuser tube is straight tube, the diffuser tube of this diffuser tube for adopting venturi principle to make.

Described gas-liquid mixed fluidic device is characterized in that being provided with at most on the described ring pipe 12 arms.

Because the utility model adopts the structure that is fixedly installed intake interface, arm and fixing feet at ring pipe, and ring pipe communicates with arm, be connected with at least three ejectors on arm, its have in actual use reduce power of agitator, real disappear shockproof, increase that gas is long-pending with liquid contact surface, the effect of time of liberation, raising dissolved oxygen mass transfer coefficient and the unit output of mitigation of gases in liquid.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is ejector mechanism principle schematic diagram of the present utility model;

Fig. 3 is that the utility model uses view.

Drawing reference numeral explanation: 1-ring pipe, 2-arm, 3-intake interface, 4-ejector, 5-fixing feet, 6-nozzle, 7-web member, 8-diffuser tube, 9-housing, 10-agitator, 11-rotating shaft, 12-inlet pipe.

Embodiment

The utility model will be further described below in conjunction with Figure of description:

With reference to accompanying drawing 1-Fig. 3: this practicality newly comprises intake interface 3, ring pipe 1, arm 2, ejector 4 and fixing feet 5, is fixedly installed intake interface 3, arm at ring pipe 1 2 With fixing feet 5, described ring pipe 1 communicates with arm 2, is provided with 3 arms 3 at ring pipe 1, and 12 arms 3 can be set at most, is connected with ejector 4 on the described arm 3, and the jet direction of described ejector 4 arranges in the direction of the clock.

Described ejector 4 is made of nozzle 6, web member 7 and diffuser tube 8, be connected by web member 7 between described nozzle 6 and the diffuser tube 8, nozzle 6 is corresponding with diffuser tube 8, the two ends of described diffuser tube 8 are horn-like, the middle part of diffuser tube 8 is straight tube, the diffuser tube of this diffuser tube 8 for adopting venturi principle to make.

The utility model is arranged on the intracavity bottom of aerobic fermentation tank shell 9 during use, is fixedly connected on housing 9 by fixing feet, and intake interface 3 joins with the inlet pipe 12 of aerobic fermentation tank and gets final product; The agitator 10 that arranges in the housing 9 interior rotating shafts 10 can be along with rotating shaft be rotated, and the jet direction of the ejector 4 that arranges on the arm 2 is consistent with the sense of rotation of fermentor tank mechanical stirrer 10; The vacuum principle of injection that described ejector 4 utilizes Venturi tube, utilize compressed-air actuated original kinetic energy, penetrating at a high speed the negative pressure that produces and the effect of entrainmenting through nozzle 6 sucks the fermented liquid in the aerobic fermentation tank in the diffuser tube 8, in diffuser tube 8, acutely mix with gas, its bubble diameter is along with the increase of the increase of air flow or nozzle impellent and reduce, the aggravation of emulsification degree, thereby gas and fermented liquid contact area have been increased, slow down the time of liberation of gas in fermented liquid, improved the dissolved oxygen mass transfer coefficient.

Claims (3)

1. gas-liquid mixed fluidic device, comprise intake interface (3), ring pipe (1), arm (2), ejector (4) and fixing feet (5), it is characterized in that being fixedly installed on the ring pipe (1) intake interface (3), arm (2) and fixing feet (5), described ring pipe (1) communicates with arm (2), on ring pipe (1), be provided with at least 3 arms (3), be connected with ejector (4) on the described arm (3), the jet direction of described ejector (4) arranges in the direction of the clock.

2. gas-liquid mixed fluidic device according to claim 1, it is characterized in that described ejector (4) is made of nozzle (6), web member (7) and diffuser tube (8), be connected by web member (7) between described nozzle (6) and the diffuser tube (8), nozzle (6) is corresponding with diffuser tube (8), the two ends of described diffuser tube (8) are horn-like, the middle part of diffuser tube (8) is straight tube, the diffuser tube of this diffuser tube (8) for adopting venturi principle to make.

3. gas-liquid mixed fluidic device according to claim 1 is characterized in that being provided with at most on the described ring pipe 12 arms.

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