CN208857265U - A kind of airflow stirring fermentor - Google Patents
A kind of airflow stirring fermentor Download PDFInfo
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- CN208857265U CN208857265U CN201821327578.8U CN201821327578U CN208857265U CN 208857265 U CN208857265 U CN 208857265U CN 201821327578 U CN201821327578 U CN 201821327578U CN 208857265 U CN208857265 U CN 208857265U
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- fermentor
- cooling
- airflow stirring
- guide shell
- water
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Abstract
It is insufficient in order to solve existing fermentor stirring, the problems such as energy consumption is high and cooling device cooling effect is bad, the utility model provides a kind of airflow stirring fermentor, it is characterized in that, it mainly include fermentor, the guide shell of upper and lower opening in fermentor, the water conservancy diversion drum outer wall is fixedly connected with the cooling device of internal circulation cooling medium, the lower section of the guide shell is equipped with the blowning installation blown upwards along the vertical direction into guide shell, by airflow circulating being formed in fermentor to be stirred to fermentation liquid, save energy consumption, and cooling device is placed in inside fermentor, cooling effect is more preferably.
Description
Technical field
The utility model relates to bioengineering equipment technical field, in particular to a kind of airflow stirring fermentor.
Background technique
General fermentor is mechanical stirring, and tank deck sets motor, is transmitted by belt, drives agitating shaft rotation, immediately
Together with one piece of three layers of stirring blade rotation on axis, to make compressed air contact mixing as far as possible with fermentation liquid, using mechanical
Stirred fermentor, structure is complicated, and not easy cleaning, replacement are more troublesome, and motor drives agitating shaft rotation energy consumption more.
In addition, general ferment tank tank wall is wound with semi-circular pipe, interior logical chilled water is managed, is passed by tank skin
Heat cools down to fermentation liquid, but cooling effect is bad, mainly due to following factor: 1. outer coil pipe and fermentor heat exchange area
Small, external cold scattering is big；2. fermentor wall thickness 14mm, heat-transfer effect are poor；3. heat exchanging part (cooling device) is external, through the regular period
It is easy fouling after operation, reduces film coefficient of heat transfer.Not only heat transfer efficiency is low for outer coil pipe cooling, and heat loss is big, and temperature control
Sensitivity processed is low, ineffective for the very sensitive fermenting microbe of temperature requirement.
Summary of the invention
To solve the above-mentioned problems, the utility model provides a kind of airflow stirring fermentor, and the technical solution of use is such as
Under:
A kind of airflow stirring fermentor, which is characterized in that mainly include fermentor, the upper and lower opening in fermentor
Guide shell, the water conservancy diversion drum outer wall are fixedly connected with the cooling device of internal circulation cooling medium, set below the guide shell
The blowning installation blown upwards along the vertical direction in oriented guide shell.
Preferably, the blowning installation includes for providing the air compression plant of compressed air, the air compression dress
It sets and is connected between the discharge gate of fermentor lower head bottom by admission line.
Preferably, the admission line is equipped with the air inlet diaphragm valve for controlling admission line opening and closing and for preventing from sending out
The check-valves that zymotic fluid is flow backwards.
Preferably, the cooling device includes the cooling tube group that several groups are evenly distributed on water conservancy diversion drum outer wall, and every group cold
But pipe group is made of the identical several cooling tubes of quantity, and every group of cooling tube group is fixedly connected by partition.
Preferably, the guide shell upper and lower opening is the opening of flaring out formula.
Preferably, water conservancy diversion tube stent is fixedly connected between the water conservancy diversion drum outer wall and fermentation top tank structure.
Preferably, the cooling tube lower end is connected with the water outlet of cooling water refrigerating machine, cooling tube upper end and cooling water system
The water inlet of cold is connected.
Preferably, the pipeline that the cooling tube is connected with cooling water refrigerating machine water inlet is equipped with water inlet shut-off valve.
The utility model has the beneficial effects that:
1, airflow circulating is formed in guide shell and in fermentor by compressed gas, thus to fermentation liquid in fermentor
It is stirred, not only saves electric energy, and more fully mixed, better effect；
2, cooling tube along water conservancy diversion drum outer wall be distributed, compared to be distributed in fermentation tank wall cooling tube, good cooling results, and
And cooling tube is located inside fermentor, for direct invasion in fermentation liquid, heat loss is small, good effect of heat exchange, improves income；
3, the material that partition and guide shell select thermal conductivity good, guide shell also serve as cooling inner tube, can be preferably to hair
Zymotic fluid cools down, whole good cooling results.
Detailed description of the invention
Fig. 1 is airflow stirring fermentor structural schematic diagram
Fig. 2 is airflow stirring fermentor interior air-flow flow regime schematic diagram
Fig. 3 is airflow stirring fermentor cross section view
Wherein, 1- fermentor, 2- water conservancy diversion tube stent, 3- partition, the cooling water refrigerating machine of 4-, 5- water inlet shut-off valve, 6- blowing
Diaphragm valve, 7- check-valves, 8- air inlet diaphragm valve, 9- air compression plant, 10- discharge gate, 11- cooling tube, 12- guide shell.
Specific embodiment
1-3 and specific embodiment are described in further detail the utility model with reference to the accompanying drawing.
Airflow stirring fermentor as shown in Figure 1 mainly includes fermentor 1, leading positioned at 1 inside middle of fermentor
Flow cartridge 12 and the blowning installation blown upwards along the vertical direction positioned at 12 lower section of guide shell, 12 upper and lower opening of guide shell are
Formula opening is extended out, guide shell 12 is fixedly connected on 1 inside of fermentor and the following table on fermentor 1 by water conservancy diversion tube stent 2
Face is equidistant, and described 2 one end of water conservancy diversion tube stent is fixedly connected on 12 outer wall of guide shell, and one end is fixedly connected in fermentor 1
Wall.
As shown in figures 1 and 3, six groups of cooling devices are evenly equipped in the outer surface of guide shell 12, every group of cooling device is by 9
Cooling tube 11 is formed, and 9 cooling tubes 11 are fixedly connected on 12 outer wall of guide shell by partition 3, is connected with cooling in cooling tube 11
Water, the lower end of cold short tube 11 are connected by pipeline with the water outlet of cooling water refrigerating machine 4,11 upper end of cooling tube pass through pipeline with it is cold
But the water inlet of water refrigerating machine 4 is connected.
Discharge gate 10 is equipped on 1 lower head of fermentor, discharge gate 10 is located at the underface of guide shell 12, discharge gate 10 and
It is connected with admission line between 9 device of air compression plant, is connected with air inlet diaphragm valve 8 and check-valves 7 on admission line in turn,
The air inlet diaphragm valve 8 is close to the gas outlet of air compression plant 9.
In addition, discharge gate 10 is also connected with drainage line, drainage line is in parallel with admission line, sets in the drainage line
There is the blowing diaphragm valve 6 that can control discharge on-off.
Discharge gate 10 also serves as the air inlet of fermentor 1, when compressed gas through air compression plant 9 compression after through discharge gate 10
It into fermentor 1, and is blown into inside guide shell 2, the stirring liquid inside guide shell 2 is in air-flow guiding lower edge as shown in Figure 2
Flow direction achievees the effect that stirring.
In the present embodiment, the course of work is as follows:
It opens air inlet diaphragm valve 8, close blowing diaphragm valve 6, so that gas is after the compression of air compression plant 9 through by discharge
Mouth 10 enters inside the guide shell 2 in fermentor 1, and drives fermentation liquid flowing along the type of flow as shown in Figure 2, to drive
Fermentation liquid completes stirring, during the fermentation, opens cooling water refrigerating machine 4, opens water inlet shut-off valve 5, and cooling water is from cooling tube
11 bottoms enter, top is flowed out, and finally flow back into cooling water refrigerating machine 4, so that the circulation of cooling water is carried out, when fermentation is completed
Air inlet diaphragm valve 8 and water inlet shut-off valve 5 are closed afterwards, opens blowing diaphragm valve 6, and the fermentation liquid in fermentor 1 passes through drainage line
Discharge, fermentation liquid enter subsequent processing.
Guide shell 12, partition 3, cooling tube 4 are all made of stainless steel material, 6 groups in total of cooling device, are evenly arranged on guide shell 12
Outside, every group of cooling device have 9 cooling tubes 11, and stainless steel pipes specification is 89*3.5, and joint length 14m is changed after transformation
Heat area is reachable: (89-3.5*2) × 0.001 × π × 14 × 54=195m2, it is the half-sectional pipe of 108*4 compared to coil pipe outside original,
Spiral to be looped around 1 outer wall of fermentor, chilled water inflow temperature used is 7oC, return water temperature 12oC, by hair in fermentor 1
Zymotic fluid volume is 270m3Meter, by the tank feed liquid from 135oC is down to the 28.5 ± 0.5 of optimum growthoThe temperature of C, it is required
It is exothermic process that time, which will be about 18h(fermentation process), it because there was only 3.5mm thick for tube wall, and is stainless steel in the present embodiment
Pipe, is fully immersed in feed liquid, so heat transfer efficiency greatly improves, it is equally 270m3Feed liquid is from 135oC is down to 28.5 ±
0.5oC, as long as required time 3.5h, cooling efficiency is greatly improved.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvement can also be made, these improvement also should be regarded as
The protection scope of the utility model.
Claims (8)
1. a kind of airflow stirring fermentor, which is characterized in that mainly include that fermentor, upper and lower opening in fermentor are led
Flow cartridge, the water conservancy diversion drum outer wall are fixedly connected with the cooling device of internal circulation cooling medium, and the lower section of the guide shell is equipped with
The blowning installation blown upwards along the vertical direction into guide shell.
2. airflow stirring fermentor according to claim 1, which is characterized in that the blowning installation includes for providing pressure
The air compression plant of contracting air passes through air inlet pipe between the air compression plant and the discharge gate of fermentor lower head bottom
Road is connected.
3. airflow stirring fermentor according to claim 2, which is characterized in that the admission line is equipped with for controlling
The air inlet diaphragm valve that admission line is opened and closed and the check-valves for preventing fermentation liquid from flowing backwards.
4. airflow stirring fermentor according to claim 1, which is characterized in that the cooling device includes that several groups are uniform
The cooling tube group being distributed on water conservancy diversion drum outer wall, every group of cooling tube group are made of the identical several cooling tubes of quantity, and every
Group cooling tube group is fixedly connected by partition.
5. airflow stirring fermentor according to claim 1, which is characterized in that the guide shell upper and lower opening is outside
The opening of flared type.
6. airflow stirring fermentor according to claim 1, which is characterized in that the water conservancy diversion drum outer wall and fermentation top tank structure
Between be fixedly connected with water conservancy diversion tube stent.
7. airflow stirring fermentor according to claim 4, which is characterized in that the cooling tube lower end and cooling water freeze
The water outlet of machine is connected, and cooling tube upper end is connected with the water inlet of cooling water refrigerating machine.
8. airflow stirring fermentor according to claim 7, which is characterized in that the cooling tube and cooling water refrigerating machine into
The connected pipeline in the mouth of a river is equipped with water inlet shut-off valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821327578.8U CN208857265U (en) | 2018-08-17 | 2018-08-17 | A kind of airflow stirring fermentor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821327578.8U CN208857265U (en) | 2018-08-17 | 2018-08-17 | A kind of airflow stirring fermentor |
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| Publication Number | Publication Date |
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| CN208857265U true CN208857265U (en) | 2019-05-14 |
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| CN201821327578.8U Active CN208857265U (en) | 2018-08-17 | 2018-08-17 | A kind of airflow stirring fermentor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643492A (en) * | 2019-09-26 | 2020-01-03 | 北京环境工程技术有限公司 | Material stirring device and method for producing biogas through anaerobic fermentation |
-
2018
- 2018-08-17 CN CN201821327578.8U patent/CN208857265U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643492A (en) * | 2019-09-26 | 2020-01-03 | 北京环境工程技术有限公司 | Material stirring device and method for producing biogas through anaerobic fermentation |
| CN110643492B (en) * | 2019-09-26 | 2022-05-17 | 北京环境工程技术有限公司 | Material stirring device and method for producing biogas through anaerobic fermentation |
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