CN219194935U

CN219194935U - Aerator

Info

Publication number: CN219194935U
Application number: CN202223532309.4U
Authority: CN
Inventors: 程绍国; 程勇; 崔山虎; 程浩; 刘涛; 李学林
Original assignee: Henan Ziti Biotechnology Co ltd
Current assignee: Henan Ziti Biotechnology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-16
Anticipated expiration: 2032-12-29

Abstract

The utility model provides an aerator, which belongs to the technical field of fermentation equipment, wherein the aerator comprises a motor and a fermentation tank arranged at the lower end of the motor, wherein a stirring shaft is rotatably arranged in the middle of the fermentation tank, the upper end of the stirring shaft which freely slides through the upper wall of the fermentation tank is connected with the output end of the motor, a plurality of groups of stirrers are uniformly arranged at intervals on the outer surface of the stirring shaft, air supply pipes which are mutually communicated are arranged in the middle of the stirring shaft and stirring blades, and the air supply pipes positioned at the bottom end of the stirring shaft are connected with an oxygen supply pipe; according to the utility model, sterile oxygen can be uniformly input into the fermentation liquid through the stirring blade with the air nozzle, so that the contact time and contact area of the oxygen and the fermentation liquid are further increased, the oxygen and the fermentation liquid can be smashed and dispersed more efficiently through the rotation of the stirring shaft and the stirring blade, the oxygenation mixing effect in the fermentation process is enhanced, and the biological fermentation efficiency is improved.

Description

Aerator

Technical Field

The utility model relates to the technical field of fermentation equipment, in particular to an aerator.

Background

Fermentation refers to the process by which one prepares microbial cells themselves, or direct or secondary metabolites, by means of the vital activities of microorganisms under aerobic or anaerobic conditions. The fermentation is often referred to as a process of decomposing organic substances. In the course of biological fermentation, the oxygen content is an important factor affecting the fermentation efficiency. In order to improve fermentation conditions, improve fermentation efficiency and shorten fermentation period, people add an oxygenation device in a fermentation tank to send air pressure with certain pressure and flow into the interior of a material, so that the oxygen content in the interior of the material is improved.

The patent number CN202020890796.3 Chinese patent discloses a fermenter oxygenation device, mainly comprising a fermenter, a precise filter, an industrial oxygen cylinder, a motor, various pipelines, a control valve and a pressure gauge, wherein the device is mainly connected to an air pipeline of a fermenter system by utilizing the industrial oxygen cylinder, and when the ventilation capacity of the fermenter is improved, the pressure of the fermenter is improved, the stirring speed is increased and the requirement of the fermentation process on dissolved oxygen cannot be met, the industrial pure oxygen is introduced, the oxygen content in the air is increased, the dissolved oxygen in the fermentation liquid is increased, and the requirement of microorganism metabolism on the dissolved oxygen is met.

Although the device can input industrial pure oxygen into the bottom of the fermentation tank through the air inlet pipe inserted into the fermentation tank, in the oxygenation process, the contact time of organisms and oxygen is short, the contact area is uneven, so that the fermentation oxygenation effect is poor, the efficiency of biological fermentation is further reduced, and therefore the aerator is provided.

Disclosure of Invention

In view of the above, the utility model provides an aerator, which can not only uniformly input sterile oxygen into fermentation liquor through an air supply pipe and a stirring blade with an air nozzle and further increase the contact time and contact area of the oxygen and the fermentation liquor, but also can more efficiently smash and disperse the oxygen and the fermentation liquor through the rotation of a stirring shaft and the stirring blade, thereby enhancing the oxygenation mixing effect in the fermentation process and improving the biological fermentation efficiency.

In order to solve the technical problems, the utility model provides an aerator, which comprises a motor, wherein a fermentation tank is arranged at the lower end of the motor, a stirring shaft is rotatably arranged in the middle of the fermentation tank, the upper end of the stirring shaft which freely slides through the upper wall of the fermentation tank is connected with the output end of the motor, a plurality of groups of stirrers are uniformly arranged at intervals on the outer surface of the stirring shaft, air supply pipes which are mutually communicated are arranged in the middle of the stirring shaft and stirring blades, the air supply pipes at the bottom end of the stirring shaft are connected with an oxygen supply pipe, the oxygen supply pipe is driven to convey sterile oxygen into the air supply pipe through the rotation of the motor, the stirring shaft and the stirrers, and the conveyed oxygen enters fermentation liquid in the fermentation tank from air nozzles arranged on the stirring blades, so that the oxygen content of the fermentation liquid is increased.

As a further improvement of the utility model, a sterilizer is arranged in the middle of the oxygen delivery pipe, the outer end of the oxygen delivery pipe which freely slides through the side wall of the fermentation tank is connected with an oxygen supply machine, each group of stirrer comprises four stirring blades which are uniformly arranged on a stirring shaft at intervals, a plurality of air nozzles are uniformly arranged on the outer surfaces of two sides of the stirring blades at intervals, the inner ends of the air nozzles are connected with an air delivery pipe, and oxygen can enter the fermentation tank from a plurality of directions and a plurality of outlets through the oxygen supply machine, the sterilizer, the air delivery pipe, the stirrer and the air nozzles, so that the oxygen content in each part in the tank is more uniform.

In order to realize the connection of the oxygen therapy pipe, the air supply pipe outside of the lower end of the stirring shaft is provided with a connecting groove, the bottom of the outer side of the connecting groove is vertically provided with a protection block, the outer side of the top end of the oxygen therapy pipe is sleeved with a fixing ring, the fixing ring is inserted into the connecting groove, the bottom of the outer side of the fixing ring is vertically provided with a clamping block, the clamping block is positioned between the protection block and the inner wall of the connecting groove, the air supply pipe and the oxygen therapy pipe are connected through the connecting groove, the fixing ring and the clamping block, meanwhile, the overflow of gas is reduced, the upper end of the protection block is uniformly provided with a plurality of ball holes at intervals, balls matched with the balls are arranged in the ball holes, the balls are in clearance fit with the outer surface of the lower end of the fixing ring, and the balls in the ball holes assist the rotation of the stirring shaft, so that the fixing ring on the air supply pipe is in a static state when the stirring shaft rotates, and friction is reduced.

In order to realize the transportation and sealing of fermentation broth, the inlet pipe is installed in the upper end outside of the fermentation tank, the discharging pipe is installed on the fermentation tank in the outer side of the bottom end of the separating plate, the electromagnetic valve is installed in the middle of the inlet pipe and the discharging pipe, the separating plate is arranged in the lower portion of the fermentation tank in an inclined mode through the electromagnetic valve, the inlet pipe and the discharging pipe, the rotating shaft hole is formed in the middle of the separating plate, the lower end of the stirring shaft is inserted in the rotating shaft hole, the tank body is divided through the separating plate, and the convenient material flows out of the discharging pipe.

In order to be convenient for observe the inside of jar body, offer the observation hole at the front wall of fermentation cylinder, install protection glass in the observation hole, install the sealing layer in pivot hole and observation hole, be convenient for observe the inside of fermentation cylinder through anti-skidding glass to the internal condition of real-time supervision jar body.

In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

according to the utility model, through the air supply pipelines arranged on the stirring blade and the stirring shaft, the air nozzles arranged on the outer side and the front end of the stirring blade are used for filtering oxygen through the sterilizer, the air supply pipeline in the stirring shaft is used for conveying the air in the air supply pipeline of the stirring blade, and the oxygen is discharged from the air nozzles, so that along with the continuous rotation of the stirring blade, the oxygen can be effectively conveyed into fermentation liquid, the oxygen can be fully supplied to thalli in the fermentation liquid, and the growth and metabolism of strains can be accelerated.

According to the utility model, the stirring shaft is driven by the motor to drive the stirrer to rotate, and the stirring blades in the stirrer stir the raw materials and water, so that the oxygen is more comprehensively and fully contacted with aerobic microorganisms and the materials, the reaction efficiency is improved, the fermentation period is shorter by matching with multidirectional oxygen spraying, more favorable fermentation conditions are created, the growth efficiency and conversion efficiency of strains are improved, and the use amount of the oxygen is relatively reduced.

According to the utility model, the connection of the air supply pipe and the oxygen supply pipe is realized through the fixing ring and the connecting groove, the clamping block arranged at the lower end of the fixing ring reduces the overflow of gas, the air tightness is enhanced, the balls in the ball holes assist the rotation of the stirring shaft, the fixing ring on the air supply pipe is in a static state when the stirring shaft rotates, the friction is reduced, the service life is prolonged, the tank body is divided into two parts by matching with the separating plate, the protection of the sterilizer is realized, and the pollution caused by the leakage of the connecting part of the pipeline is reduced.

Drawings

FIG. 1 is a schematic diagram of an aerator according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an aerator according to the present utility model;

FIG. 3 is an enlarged schematic view of the partial structure of FIG. 2A;

FIG. 4 is a schematic front view of an aerator according to the present utility model.

100. A motor; 101. a fermentation tank; 102. a stirring shaft; 103. a stirrer; 104. stirring blades; 105. an air nozzle; 106. an air supply pipe; 107. an oxygen therapy tube; 108. a connecting groove; 109. a protective block; 110. a fixing ring; 111. a clamping block; 112. a separation plate; 113. a rotation shaft hole; 114. a sterilizer; 115. an oxygen supply machine; 116. a feed pipe; 117. a discharge pipe; 118. an electromagnetic valve; 119. a ball hole; 120. a ball; 121. an observation hole; 122. a cover glass; 123. and (3) a sealing layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

The embodiment provides an aerator, as shown in fig. 1, including a motor 100 and a fermentation tank 101 installed at the lower end of the motor 100, a stirring shaft 102 is rotatably arranged in the middle of the fermentation tank 101, the upper end of the stirring shaft 102 which freely slides through the upper wall of the fermentation tank 101 is connected with the output end of the motor 100, a plurality of groups of stirrers 103 are uniformly arranged at intervals on the outer surface of the stirring shaft 102, an air supply pipe 106 which is mutually communicated is arranged in the middle of the stirring shaft 102 and the middle of a stirring blade 104, the air supply pipe 106 at the bottom end of the stirring shaft 102 is connected with an oxygen supply pipe 107, the motor 100 is started to drive the stirring shaft 102 to rotate, the stirring shaft 102 drives the stirrers 103 to rotate, the oxygen supply pipe 107 conveys sterile oxygen into the air supply pipe 106, the conveyed oxygen enters fermentation liquid in the fermentation tank 101 from an air nozzle 105 arranged on the stirring blade 104, the oxygen content of the fermentation liquid is increased, and the phenomenon that the oxygen content of the fermentation liquid is low due to the fact that the oxygen supply mode is single and the air is unevenly added in the fermentation liquid is reduced in the oxygenation fermentation process.

The sterilizer 114 is arranged in the middle of the oxygen pipe 107, as shown in fig. 1, the outer end of the oxygen pipe 107 which freely slides through the side wall of the fermentation tank 101 is connected with the oxygen supply machine 115, each group of stirrers 103 comprises four stirring blades 104 which are uniformly arranged on the stirring shaft 102 at intervals, a plurality of air nozzles 105 are uniformly arranged on the outer surfaces of two sides of the stirring blades 104 at intervals, the inner ends of the air nozzles 105 are connected with the air pipe 106, the oxygen pipe 107 is connected with the oxygen supply machine 115 and the sterilizer 114 to supply sterile oxygen into the air pipe 106, the air pipe 106 is connected with a plurality of groups of stirrers 103 with the air nozzles 105, so that the oxygen can enter the fermentation tank 101 from a plurality of directions and a plurality of outlets, the gas diffusion speed is increased, the oxygen content in each part in the tank is more uniform, the fermentation efficiency is higher, the fermentation period is shorter, and more favorable fermentation conditions are created.

The upper end outside installation inlet pipe 116 at fermentation cylinder 101, as shown in fig. 1 and 2, install discharging pipe 117 on fermentation cylinder 101 in the separation plate 112 bottom outside, at inlet pipe 116 and discharging pipe 117's mid-mounting solenoid valve 118, the lower extreme of (mixing) shaft 102 is inserted and is established in pivot hole 113, drive solenoid valve 118 control inlet pipe 116 and discharging pipe 117's opening and shutting, convenient material business turn over, set up separation plate 112 in the lower part slope of fermentation cylinder 101, set up pivot hole 113 at the middle part of separation plate 112, the separation plate 112 of slope setting separates the jar body, realize the protection to sterilizer 114, reduce the pollution that the pipeline interface leaks outward and causes simultaneously.

As shown in fig. 2 and 3, a plurality of balls 120 are uniformly and alternately arranged at the upper end of the protecting block 109, the balls 120 are arranged in the ball holes 119 in a matching manner, the balls 120 in the ball holes 119 assist the rotation of the stirring shaft 102, so that when the stirring shaft 102 rotates, the fixing ring 110 on the air pipe is in a static state, friction is reduced, service life is prolonged, the connecting groove 108 is arranged at the outer side of the air pipe 106 at the lower end of the stirring shaft 102, the protecting block 109 is vertically arranged at the outer side bottom of the connecting groove 108, the fixing ring 110 is sleeved at the outer side of the top end of the oxygen pipe 107, the fixing ring 110 is inserted in the connecting groove 108, the clamping block 111 is vertically arranged at the outer side bottom of the fixing ring 110, the clamping block 111 is inserted between the protecting block 109 and the inner wall of the connecting groove 108, the air pipe 106 and the oxygen pipe 107 are connected by the fixing ring 110 inserted in the connecting groove 108, and the clamping block 111 arranged at the lower end of the fixing ring 110 reduces gas overflow, and enhances air tightness.

The observation hole 121 is formed in the front wall of the fermentation tank 101, as shown in fig. 4, the protective glass 122 is installed in the observation hole 121, the sealing layer 123 is installed in the rotating shaft hole 113 and the observation hole 121, the anti-slip glass in the observation hole 121 is convenient for observing the interior of the fermentation tank 101, the internal condition of the tank body is convenient to monitor, and the oxygen intake amount is convenient to adjust according to the fermentation condition.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides an aerator, includes motor (100) and installs fermentation cylinder (101) of motor (100) lower extreme fermentation cylinder (101) the middle part rotation of fermentation cylinder (101) sets up (102), its characterized in that: the upper end of a stirring shaft (102) which freely slides through the upper wall of the fermentation tank (101) is connected with the output end of the motor (100), a plurality of groups of stirrers (103) are uniformly arranged on the outer surface of the stirring shaft (102) at intervals, air supply pipes (106) which are mutually communicated are arranged in the middle of the stirring shaft (102) and the stirrers (103), and the air supply pipes (106) which are positioned at the bottom end of the stirring shaft (102) are connected with an oxygen delivery pipe (107).

2. The aerator according to claim 1, wherein: a sterilizer (114) is arranged in the middle of the oxygen delivery pipe (107), and the outer end of the oxygen delivery pipe (107) which freely slides through the side wall of the fermentation tank (101) is connected with an oxygen supply machine (115).

3. The aerator according to claim 2, wherein: each group of stirrer (103) comprises four stirring blades (104) which are uniformly arranged on the stirring shaft (102) at intervals, a plurality of air nozzles (105) are uniformly arranged on the outer surfaces of two sides of each stirring blade (104) at intervals, and the inner ends of the air nozzles (105) are connected with the air supply pipe (106).

4. The aerator of claim 3, wherein: the air supply pipe (106) at the lower end of the stirring shaft (102) is provided with a connecting groove (108), a protection block (109) is vertically arranged at the bottom of the outer side of the connecting groove (108), the outer side of the top end of the oxygen supply pipe (107) is sleeved with a fixing ring (110), and the fixing ring (110) is inserted into the connecting groove (108).

5. The aerator according to claim 4, wherein: and a clamping block (111) is vertically arranged at the bottom of the outer side of the fixed ring (110), and the clamping block (111) is inserted between the protection block (109) and the inner wall of the connecting groove (108).

6. The aerator according to claim 5, wherein: a separation plate (112) is obliquely arranged at the lower part of the fermentation tank (101), a rotating shaft hole (113) is formed in the middle of the separation plate (112), and the lower end of the stirring shaft (102) is inserted into the rotating shaft hole (113).

7. The aerator according to claim 6, wherein: a feed pipe (116) is arranged on the outer side of the upper end of the fermentation tank (101), a discharge pipe (117) is arranged on the fermentation tank (101) on the outer side of the bottom end of the separation plate (112), and an electromagnetic valve (118) is arranged in the middle of the feed pipe (116) and the discharge pipe (117).

8. The aerator of claim 7, wherein: a plurality of ball holes (119) are uniformly formed in the upper end of the protection block (109) at intervals, and matched balls (120) are arranged in the ball holes (119).

9. The aerator of claim 8, wherein: an observation hole (121) is formed in the front wall of the fermentation tank (101), and protective glass (122) is arranged in the observation hole (121).

10. The aerator of claim 9, wherein: a sealing layer (123) is installed in the rotating shaft hole (113) and the observation hole (121).