CN114277195A - Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank - Google Patents
Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank Download PDFInfo
- Publication number
- CN114277195A CN114277195A CN202111210460.3A CN202111210460A CN114277195A CN 114277195 A CN114277195 A CN 114277195A CN 202111210460 A CN202111210460 A CN 202111210460A CN 114277195 A CN114277195 A CN 114277195A
- Authority
- CN
- China
- Prior art keywords
- value
- difference
- fermentation tank
- range
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000855 fermentation Methods 0.000 title claims abstract description 130
- 230000004151 fermentation Effects 0.000 title claims abstract description 130
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000000126 substance Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 16
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000004310 lactic acid Substances 0.000 description 8
- 235000014655 lactic acid Nutrition 0.000 description 8
- 241000894006 Bacteria Species 0.000 description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 4
- 239000000920 calcium hydroxide Substances 0.000 description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000186660 Lactobacillus Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229940039696 lactobacillus Drugs 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
Images
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention discloses a method, a device and equipment for controlling the pH value of fermentation liquor in a fermentation tank, wherein the method comprises the following steps: acquiring a first PH value acquired by a first PH value acquisition device in a fermentation tank in real time; acquiring a first difference value between the first PH value and a preset PH value; and adjusting the pH value in the fermentation tank according to the first difference value. By adopting the mode, the fermentation tank can replace field manual operation through program control, the beneficial effect of controlling the pH value of the fermentation liquor in the fermentation tank in real time is achieved, and the labor cost is saved to a certain extent.
Description
Technical Field
The invention relates to the technical field of detection of fermentation liquor, in particular to a method, a device and equipment for controlling the pH value of fermentation liquor in a fermentation tank.
Background
In the fermentation process of the fermentation liquor, the fermentation bacteria can generate lactic acid, so that the fermentation liquor is acidic, and the pH value of the fermentation liquor is reduced. And the pH value is too low to inhibit the normal production of the lactobacillus, so the pH value of the fermentation liquor needs to be adjusted at any time during the production so as to keep the pH value of the fermentation liquor within a certain range. In actual production, the existing large-scale fermentation tank is manually operated and added with alkali to adjust the pH value, so that the production has strong dependence on operators. And the existing production mode has the following defects:
1. the production has higher requirements on operators, the culture period is long, and the investment of enterprises is increased;
2. the production is unstable, and the pH fluctuation range is large;
3. the human operation error rate is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method, a device and equipment for controlling the pH value of fermentation liquor in a fermentation tank, which can solve the problem of strong dependence on operators in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
according to an aspect of the embodiments of the present invention, there is provided a method for controlling a PH of a fermentation broth in a fermenter, including:
acquiring a first PH value acquired by a first PH value acquisition device in a fermentation tank in real time;
acquiring a first difference value between the first PH value and a preset PH value;
and adjusting the pH value in the fermentation tank according to the first difference value.
Optionally, adjusting the PH value in the fermentation tank according to the first difference includes:
and comparing the first difference value with at least one preset difference value range, and if the first difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the first difference value falls.
Optionally, according to the adjustment parameter that the preset difference range that the first difference falls into corresponds, adjust the PH value in the fermentation tank, include:
and controlling a control switch valve communicated with the fermentation tank to be opened according to the adjustment time corresponding to the preset difference range in which the first difference falls, adding alkaline substances into the fermentation tank, and closing the control switch valve until the adjustment time is finished.
Optionally, the method for controlling the PH of the fermentation broth in the fermentation tank further includes:
when the first PH value acquired by the first PH value acquirer in the fermentation tank in real time cannot be acquired, acquiring a second PH value acquired by a second PH value acquirer in the fermentation tank in real time;
acquiring a second difference value between the second PH value and the preset PH value;
and adjusting the pH value in the fermentation tank according to the second difference value.
Optionally, adjusting the PH value in the fermentation tank according to the second difference includes:
and comparing the second difference value with at least one preset difference value range, and if the second difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the second difference value falls.
Optionally, the at least one preset difference range includes:
a first preset difference range, wherein the first preset difference range is as follows: the PH value is more than 2.0 and less than 7.0;
a second preset difference range, wherein the second preset difference range is as follows: the PH value is more than 1.0 and less than or equal to 2.0;
a third preset difference range, wherein the third preset difference range is as follows: the PH value is more than 0.2 and less than or equal to 1.0;
a fourth preset difference range, wherein the fourth preset difference range is as follows: the pH value is more than 0.02 and less than or equal to 0.2.
According to another aspect of the embodiments of the present invention, there is provided an apparatus for controlling PH of a fermentation broth in a fermenter, including:
the acquisition module is used for acquiring a first PH value acquired by the first PH value acquirer in the fermentation tank in real time;
the processing module is used for acquiring a first difference value between the first PH value and a preset PH value;
and the control module is used for adjusting the pH value in the fermentation tank according to the first difference value.
Optionally, the control module is specifically configured to compare the first difference with at least one preset difference range, and if the first difference is within the at least one preset difference range, adjust the PH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference range in which the first difference falls.
According to still another aspect of an embodiment of the present invention, there is provided an electronic apparatus including: a processor, a memory storing a computer program which, when executed by the processor, performs the method of controlling the PH of a fermentation broth in a fermenter as described above.
According to still another aspect of embodiments of the present invention, there is provided a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the method for controlling PH of a fermentation broth in a fermenter as described above.
The scheme of the invention at least comprises the following beneficial effects:
according to the scheme, the first PH value acquired by the first PH value acquirer in the fermentation tank in real time is acquired; acquiring a first difference value between the first PH value and a preset PH value; according to the first difference, the PH value in the fermentation tank is adjusted, and field manual operation can be replaced by program control, so that the beneficial effect of controlling the PH value of fermentation liquor in the fermentation tank in real time is achieved, and the labor cost is saved to a certain extent.
The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means of the embodiments of the present invention more clearly understood, and the detailed description of the embodiments of the present invention is provided below in order to make the foregoing and other objects, features, and advantages of the embodiments of the present invention more clearly understandable.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the embodiments of the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a flow chart of a method for controlling pH of a fermentation broth in a fermentor according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for controlling the pH of a fermentation broth in a fermentor according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for controlling pH of a fermentation broth in a fermenter according to an embodiment of the present invention;
FIG. 4 shows a schematic view of a fermenter apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a pH control apparatus for fermentation broth in a fermenter according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
FIG. 1 is a flow chart illustrating a method for controlling pH of a fermentation broth in a fermentor according to an embodiment of the present invention. As shown in fig. 1, the method comprises the steps of:
and step 13, adjusting the pH value in the fermentation tank according to the first difference value.
In the embodiment, a first PH value acquired by a first PH value acquisition device in a fermentation tank in real time is acquired; acquiring a first difference value between the first PH value and a preset PH value; and adjusting the pH value in the fermentation tank according to the first difference value. Can replace on-the-spot manual operation through program control, obtain the beneficial effect that can real-time control the pH value of zymotic fluid in the fermentation cylinder, save artificial cost to a certain extent.
FIG. 2 is a flow chart illustrating another method for controlling the pH of a fermentation broth in a fermentor according to an embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
step 21, acquiring a first PH value acquired by a first PH value acquisition device in the fermentation tank in real time;
step 22, acquiring a first difference value between the first PH value and a preset PH value;
step 23, adjusting the pH value in the fermentation tank according to the first difference value;
step 24, when the first PH value acquired by the first PH value acquirer in the fermentation tank in real time cannot be acquired, acquiring a second PH value acquired by a second PH value acquirer in the fermentation tank in real time;
step 25, acquiring a second difference value between the second PH value and the preset PH value;
and 26, adjusting the pH value in the fermentation tank according to the second difference value.
In this embodiment, first PH value collector is as main control, and second PH value collector is as standby control, and when first PH value collector leads to unable collection or collection numerical value inaccurate because of various factors, start standby control, adopt the design of two PH value collectors like this, can prevent that the actual PH value of zymotic fluid in the fermentation cylinder from exceeding standard.
In an alternative embodiment of the invention, step 22 is programmed with a PLC (programmable logic controller) to obtain said first difference.
Specifically, the first PH value is subtracted from a preset PH value to obtain the first difference value.
In yet another alternative embodiment of the present invention, step 23 may comprise:
and comparing the first difference value with at least one preset difference value range, and if the first difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the first difference value falls.
Specifically, according to the adjusting time corresponding to the preset difference range in which the first difference falls, a control switch valve communicated with the fermentation tank is controlled to be opened, alkaline substances are added into the fermentation tank, and the control switch valve is closed until the adjusting time is finished.
As shown in fig. 3, in this embodiment, first, within a preset range, an adjustment time corresponding to the first difference is found; secondly, controlling a control switch valve communicated with the fermentation tank to be opened according to the adjustment time, and adding alkaline substances into the fermentation tank, wherein the alkaline substances comprise calcium hydroxide but are not limited to the calcium hydroxide; then the stirring motor in the fermentation tank can fully fuse the added alkaline substances into the fermentation liquor, and finally, the control switch valve can be automatically closed when the adjusting time is over.
In addition, after the PH value in the fermentation tank is adjusted, the PH value control process of the fermentation liquid in the fermentation tank can be repeatedly started, and the PH value in the fermentation tank is monitored in real time until the production is finished.
In a further alternative embodiment of the invention, step 25 is again performed using PLC programming to obtain said second difference.
Specifically, the second PH value is subtracted from a preset PH value to obtain the second difference value.
In yet another alternative embodiment of the present invention, step 26 may comprise:
and comparing the second difference value with at least one preset difference value range, and if the second difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the second difference value falls.
In this embodiment, the principle is the same as that in step 23, first, within a preset range, finding the adjustment time corresponding to the second difference; secondly, controlling a control switch valve communicated with the fermentation tank to be opened according to the adjustment time, and adding alkaline substances into the fermentation tank, wherein the alkaline substances comprise calcium hydroxide but are not limited to the calcium hydroxide; then the stirring motor in the fermentation tank can fully fuse the added alkaline substances into the fermentation liquor, and finally, the control switch valve can be automatically closed when the adjusting time is over.
In yet another optional embodiment of the present invention, the at least one preset difference range comprises:
a first preset difference range, wherein the first preset difference range is as follows: the PH value is more than 2.0 and less than 7.0;
a second preset difference range, wherein the second preset difference range is as follows: the PH value is more than 1.0 and less than or equal to 2.0;
a third preset difference range, wherein the third preset difference range is as follows: the PH value is more than 0.2 and less than or equal to 1.0;
a fourth preset difference range, wherein the fourth preset difference range is as follows: the pH value is more than 0.02 and less than or equal to 0.2.
In this embodiment, each preset difference range has a corresponding adjustment time, the adjustment time of the first preset difference range is X1, the adjustment time of the second preset difference range is X2, the adjustment time of the third preset difference range is X3, and the adjustment time of the fourth preset difference range is X4, and the first difference is 0.8 in combination with step 23, to describe this embodiment.
Assuming that the first difference is 0.8, the first difference 0.8 is within the third predetermined range, and the corresponding adjustment time is X3, then the PLC program will periodically open the on-off valve for intermittent alkaline material addition with X3 as the adjustment time, and close the on-off valve when the adjustment time is over.
Fig. 4 shows a view of a fermenter according to an embodiment of the present invention, as shown in fig. 4, the fermenter includes: VA remote control's ooff valve, first PH value collector, second PH value collector, alkali circulating line and agitator motor.
Wherein, the VA remote control switch valve is realized by PLC programming. In the production process, firstly, the PLC programming can preferentially read the first PH value collector; secondly, taking the read real-time data of the first PH value collector as a monitoring result, and subtracting the real-time data from a preset PH value to obtain a difference value; and then, when the adjustment corresponding to the difference value within the preset range is selected according to the difference value, the switch valve is remotely opened, alkaline substances are intermittently added to the fermentation tank, and finally, when the adjustment time is over, the switch valve is automatically closed.
Because the lactic acid bacteria in the middle of the fermentation liquor is in the fermentation growth process, the whole PH of the fermentation liquor can be reduced by secreting lactic acid, and the pH is too low, and the normal growth of lactic acid bacteria can be directly influenced, so in the whole production process, the stirring motor in the fermentation tank always keeps low-speed rotation, the PH value of the fermentation liquor can be monitored in real time, the PH values of all the positions in the fermentation tank can be kept uniform, the fermentation tank is controlled in the range favorable for the growth of the lactic acid bacteria, the lactic acid bacteria are guaranteed to live in the adaptive PH environment, and the continuous secretion production of lactic acid by the bacteria is realized.
In the embodiment of the invention, the first PH value acquired by the first PH value acquirer in the fermentation tank in real time is acquired; acquiring a first difference value between the first PH value and a preset PH value; and adjusting the pH value in the fermentation tank according to the first difference value. Can replace on-the-spot manual operation through program control, obtain the beneficial effect that can real-time control the pH value of zymotic fluid in the fermentation cylinder, save artificial cost to a certain extent. Meanwhile, through PLC programming control, the production efficiency is improved, the failure rate is reduced, the maintenance is more convenient, the system alkali addition is gradual, the adjusted PH fluctuation is small, and the production of lactic acid is facilitated.
FIG. 5 is a schematic diagram showing a pH control device 50 for controlling the pH of a fermentation broth in a fermenter according to an embodiment of the present invention. As shown in fig. 5, the apparatus includes:
the acquisition module 51 is used for acquiring a first PH value acquired by a first PH value acquirer in a fermentation tank in real time;
the processing module 52 is configured to obtain a first difference between the first PH and a preset PH;
and the control module 53 is configured to adjust the PH value in the fermentation tank according to the first difference. It should be noted that this embodiment is an apparatus embodiment corresponding to the above method embodiment, and all the implementations in the above method embodiment are applicable to this apparatus embodiment, and the same technical effects can be achieved.
Optionally, the control module 53 is further configured to compare the first difference with at least one preset difference range, and if the first difference is within the at least one preset difference range, adjust the PH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference range in which the first difference falls.
Optionally, the control module 53 is further configured to control a control switch valve communicated with the fermentation tank to open according to an adjustment time corresponding to a preset difference range in which the first difference falls, add an alkaline substance to the fermentation tank, and close the control switch valve until the adjustment time is over.
Optionally, the obtaining module 51 is further configured to obtain a second PH value collected by a second PH value collector in the fermentation tank in real time when the first PH value collected by the first PH value collector in the fermentation tank in real time is not obtained;
optionally, the processing module 52 is further configured to obtain a second difference between the second PH value and the preset PH value;
optionally, the control module 53 is further configured to adjust a PH value in the fermentation tank according to the second difference.
Optionally, the control module 53 is further configured to compare the second difference with at least one preset difference range, and if the second difference is within the at least one preset difference range, adjust the PH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference range in which the second difference falls.
Optionally, the at least one preset difference range includes:
a first preset difference range, wherein the first preset difference range is as follows: the PH value is more than 2.0 and less than 7.0;
a second preset difference range, wherein the second preset difference range is as follows: the PH value is more than 1.0 and less than or equal to 2.0;
a third preset difference range, wherein the third preset difference range is as follows: the PH value is more than 0.2 and less than or equal to 1.0;
a fourth preset difference range, wherein the fourth preset difference range is as follows: the pH value is more than 0.02 and less than or equal to 0.2.
The embodiment of the invention provides a nonvolatile computer storage medium, wherein the computer storage medium stores at least one executable instruction, and the computer executable instruction can execute the method for controlling the pH value of fermentation liquor in a fermentation tank in any method embodiment.
Optionally, the control module 53 is specifically configured to compare the first difference with at least one preset difference range, and if the first difference is within the at least one preset difference range, adjust the PH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference range in which the first difference falls.
It should be noted that the apparatus is an apparatus corresponding to the method embodiment, and all the implementation manners in the method embodiment are applicable to the embodiment of the apparatus, and the same technical effect can be achieved.
An embodiment of the present invention further provides an electronic device, including: a processor, a memory storing a computer program which, when executed by the processor, performs the method of controlling the PH of a fermentation broth in a fermenter as described above. The electronic device may be a computer or a PLC controller
According to still another aspect of embodiments of the present invention, there is provided a computer-readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the method for controlling PH of a fermentation broth in a fermenter as described above.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A method for controlling the pH value of fermentation liquor in a fermentation tank is characterized by comprising the following steps:
acquiring a first PH value acquired by a first PH value acquisition device in a fermentation tank in real time;
acquiring a first difference value between the first PH value and a preset PH value;
and adjusting the pH value in the fermentation tank according to the first difference value.
2. The method of claim 1, wherein adjusting the PH of the fermentation broth in the fermentor based on the first difference comprises:
and comparing the first difference value with at least one preset difference value range, and if the first difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the first difference value falls.
3. The method for controlling the pH value of the fermentation broth in the fermentation tank according to claim 2, wherein the adjusting the pH value in the fermentation tank according to the adjusting parameter corresponding to the preset difference range in which the first difference falls comprises:
and controlling a control switch valve communicated with the fermentation tank to be opened according to the adjustment time corresponding to the preset difference range in which the first difference falls, adding alkaline substances into the fermentation tank, and closing the control switch valve until the adjustment time is finished.
4. The method of claim 1, further comprising:
when the first PH value acquired by the first PH value acquirer in the fermentation tank in real time cannot be acquired, acquiring a second PH value acquired by a second PH value acquirer in the fermentation tank in real time;
acquiring a second difference value between the second PH value and the preset PH value;
and adjusting the pH value in the fermentation tank according to the second difference value.
5. The method of claim 4, wherein adjusting the pH of the fermentation broth in the fermentor based on the second difference comprises:
and comparing the second difference value with at least one preset difference value range, and if the second difference value is within the at least one preset difference value range, adjusting the pH value in the fermentation tank according to an adjustment parameter corresponding to the preset difference value range in which the second difference value falls.
6. The method of claim 2 or 5, wherein the at least one predetermined range of differences comprises:
a first preset difference range, wherein the first preset difference range is as follows: the PH value is more than 2.0 and less than 7.0;
a second preset difference range, wherein the second preset difference range is as follows: the PH value is more than 1.0 and less than or equal to 2.0;
a third preset difference range, wherein the third preset difference range is as follows: the PH value is more than 0.2 and less than or equal to 1.0;
a fourth preset difference range, wherein the fourth preset difference range is as follows: the pH value is more than 0.02 and less than or equal to 0.2.
7. A PH control apparatus for a fermentation broth in a fermenter, the apparatus comprising:
the acquisition module is used for acquiring a first PH value acquired by the first PH value acquirer in the fermentation tank in real time;
the processing module is used for acquiring a first difference value between the first PH value and a preset PH value;
and the control module is used for adjusting the pH value in the fermentation tank according to the first difference value.
8. The apparatus according to claim 7, wherein the control module is configured to compare the first difference with at least one preset difference range, and adjust the PH value in the fermenter according to an adjustment parameter corresponding to the preset difference range in which the first difference falls if the first difference is within the at least one preset difference range.
9. A computing device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction causes the processor to execute the operation corresponding to the method for controlling the pH value of the fermentation liquid in the fermentation tank according to any one of claims 1 to 6.
10. A computer storage medium having stored therein at least one executable instruction for causing a processor to perform operations corresponding to the method of PH control of a fermentation broth within a fermenter according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111210460.3A CN114277195A (en) | 2021-10-18 | 2021-10-18 | Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111210460.3A CN114277195A (en) | 2021-10-18 | 2021-10-18 | Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114277195A true CN114277195A (en) | 2022-04-05 |
Family
ID=80868703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111210460.3A Pending CN114277195A (en) | 2021-10-18 | 2021-10-18 | Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114277195A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033673U (en) * | 2011-04-18 | 2011-11-09 | 龙章勇 | Automatic PH (potential hydrogen) value adjusting system for fermentation tank |
| CN102864247A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Method and system for controlling PH values of methane tank |
| CN203320015U (en) * | 2013-06-24 | 2013-12-04 | 云南农业大学 | Fermentation tank capable of monitoring pH value automatically |
| CN107943129A (en) * | 2018-01-24 | 2018-04-20 | 成都纽扣互动科技有限公司 | A kind of automation control system that tank is adjusted based on PH |
| CN109813782A (en) * | 2019-02-01 | 2019-05-28 | 杭州原创软件有限公司 | A kind of self diagnosis PH on-line monitoring system and method |
| CN110241004A (en) * | 2019-06-01 | 2019-09-17 | 六安市胜缘食品有限公司 | A kind of microbial ferment device of meat products |
| CN110618167A (en) * | 2019-09-23 | 2019-12-27 | 张家港万众一芯生物科技有限公司 | PH value detection device, preparation method thereof and PH value detection method |
| CN112551675A (en) * | 2020-12-22 | 2021-03-26 | 广州中电荔新热电有限公司 | Wastewater treatment apparatus and control method thereof |
-
2021
- 2021-10-18 CN CN202111210460.3A patent/CN114277195A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202033673U (en) * | 2011-04-18 | 2011-11-09 | 龙章勇 | Automatic PH (potential hydrogen) value adjusting system for fermentation tank |
| CN102864247A (en) * | 2012-08-03 | 2013-01-09 | 北京奇迪惠民科技投资有限公司 | Method and system for controlling PH values of methane tank |
| CN203320015U (en) * | 2013-06-24 | 2013-12-04 | 云南农业大学 | Fermentation tank capable of monitoring pH value automatically |
| CN107943129A (en) * | 2018-01-24 | 2018-04-20 | 成都纽扣互动科技有限公司 | A kind of automation control system that tank is adjusted based on PH |
| CN109813782A (en) * | 2019-02-01 | 2019-05-28 | 杭州原创软件有限公司 | A kind of self diagnosis PH on-line monitoring system and method |
| CN110241004A (en) * | 2019-06-01 | 2019-09-17 | 六安市胜缘食品有限公司 | A kind of microbial ferment device of meat products |
| CN110618167A (en) * | 2019-09-23 | 2019-12-27 | 张家港万众一芯生物科技有限公司 | PH value detection device, preparation method thereof and PH value detection method |
| CN112551675A (en) * | 2020-12-22 | 2021-03-26 | 广州中电荔新热电有限公司 | Wastewater treatment apparatus and control method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 张一敏等: "《固体物料分选理论与工艺》", 31 October 2007, 冶金工业出版社 * |
| 李凡超等: "《发酵过程中PH及溶解氧的测量与控制"》", 30 September 1992, 华东化工学院出版社 * |
| 白伟: "中试发酵过程控制***设计与试验", 《万方学位论文数据库》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107475106A (en) | A kind of fully-automatic intelligent fermentation system | |
| CN105005261A (en) | Automatic monitoring system and method for dissolved oxygen in recirculating aquaculture | |
| CN110752668A (en) | Inspection system and inspection method for closed cabinet of transformer substation | |
| CN114277195A (en) | Method, device and equipment for controlling pH value of fermentation liquor in fermentation tank | |
| CN103305413B (en) | Biogas fermentation gas supply engineering control system | |
| CN104177141B (en) | A kind of portable sludge aerobic fermentation intelligent diagnosis system | |
| CN104181853A (en) | Efficient sludge aerobic fermentation diagnostic method | |
| CN208016574U (en) | A kind of intelligent irrigation system | |
| CN112205119B (en) | Mixing control method for composting fermentation of ex-situ fermentation bed of pig farm excrement | |
| CN207655078U (en) | Pressure type lime milk concentration online detection and control system | |
| CN201301290Y (en) | Sludge ventilating aerobic fermentation control device | |
| CN207659186U (en) | Water body automatic aeration system | |
| CN206674933U (en) | A kind of lactobacillus-fermented feed device | |
| CN209412226U (en) | Intelligent enzyme reaction work station structure based on PLC control | |
| CN210323905U (en) | Warehouse humidity automatic control system | |
| CN207051755U (en) | A kind of silo Intelligent ventilation control system based on PLC controls | |
| CN201914975U (en) | Automatic drainage device of circulating cooling water treatment system | |
| CN219860609U (en) | DCS-controlled automatic chemical feeding device for circulating water system | |
| CN113334553B (en) | Autoclaved aerated concrete steam curing process monitoring system | |
| CN207908958U (en) | A kind of production of carbon black environmental protection automation control appliance | |
| CN213327364U (en) | Calcium hydroxide intelligent water distribution system | |
| CN209866744U (en) | Control system of strip brush roller | |
| CN206282103U (en) | A kind of full-automatic fowl and animal excrement processing unit control system of vehicular | |
| CN217677420U (en) | Multi-parameter controlled automatic red wine production tank changing system | |
| CN211236703U (en) | Automatic control device for air-conditioned cold store |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220405 |
|
| RJ01 | Rejection of invention patent application after publication |