CN114133028A - Method and device for degrading organic waste liquid by utilizing biological hydrolysis equipment - Google Patents
Method and device for degrading organic waste liquid by utilizing biological hydrolysis equipment Download PDFInfo
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- CN114133028A CN114133028A CN202111503571.3A CN202111503571A CN114133028A CN 114133028 A CN114133028 A CN 114133028A CN 202111503571 A CN202111503571 A CN 202111503571A CN 114133028 A CN114133028 A CN 114133028A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
Abstract
The application discloses a method and a device for degrading and treating organic waste liquid by utilizing biological hydrolysis equipment, wherein the method comprises the following steps: obtaining the content of organic matters in the organic waste liquid and the weight of the organic waste liquid; controlling a first reactor to decompose the organic waste liquid according to the content and the weight; controlling the time for anaerobic hydrolysis of the decomposition products output from the first reactor in an anaerobic tank; and when the time of the anaerobic hydrolysis is reached, controlling a gas valve positioned at the upper part of the anaerobic tank to be opened, and collecting the gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor. The method solves the problem of how to improve the methane production by degrading the organic waste liquid, thereby improving the methane yield.
Description
Technical Field
The application relates to the field of liquid treatment, in particular to a method and a device for degrading and treating organic waste liquid by utilizing biological hydrolysis equipment.
Background
The organic wastewater is mainly organic pollutants, and is easy to cause water eutrophication and has large harm.
The industrial organic wastewater has a plurality of sources, mainly comes from industries such as citric acid, sugar making, alcohol, paper making, cultivation, PTA and the like, the sewage treatment in the industries can adopt a biochemical method for treatment, and a large amount of methane is generated in the treatment process. The recycling and utilization of the biogas can reduce pollution and increase the profit of enterprises.
How to improve the hydrolysis process to increase the production of biogas is a problem which is always desired to be solved in the prior art.
Disclosure of Invention
The embodiment of the application provides a method and a device for degrading organic waste liquid by utilizing biological hydrolysis equipment, so as to at least solve the problem of how to improve the methane production by degrading the organic waste liquid.
According to one aspect of the application, a method for degrading and treating organic waste liquid by using biological hydrolysis equipment is provided, and comprises the following steps: obtaining the content of organic matters in the organic waste liquid and the weight of the organic waste liquid; controlling a first reactor to decompose the organic waste liquid according to the content and the weight; controlling the time for anaerobic hydrolysis of the decomposition products output from the first reactor in an anaerobic tank; and when the time of the anaerobic hydrolysis is reached, controlling a gas valve positioned at the upper part of the anaerobic tank to be opened, and collecting the gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
Further, after collecting the gas generated after the anaerobic water decomposition into a gas storage tank, the method further comprises: and controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor.
Further, the controlling the first reactor to decompose the organic waste liquid according to the content and the weight comprises: adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid; controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added.
Further, controlling the second reactor to decompose the products output by the anaerobic tank comprises: the temperature of the second reactor is controlled to effect decomposition.
Further, the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees.
According to another aspect of the present application, there is also provided an apparatus for degradation treatment of organic waste liquid by using a biological hydrolysis device, comprising: the acquisition module is used for acquiring the content of organic matters in the organic waste liquid and the weight of the organic waste liquid; the decomposition module is used for controlling the first reactor to decompose the organic waste liquid according to the content and the weight; the first control module is used for controlling the time for anaerobic hydrolysis of the decomposition products output by the first reactor in the anaerobic tank; and the second control module is used for controlling a gas valve positioned at the upper part of the anaerobic tank to be opened when the anaerobic hydrolysis time is reached, and collecting gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
Further, still include: and the third control module is used for controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor.
Further, the first control module is configured to: adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid; controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added.
Further, the third control module is configured to: the temperature of the second reactor is controlled to effect decomposition.
Further, the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees.
In the embodiment of the application, the content of organic matters in the organic waste liquid and the weight of the organic waste liquid are obtained; controlling a first reactor to decompose the organic waste liquid according to the content and the weight; controlling the time for anaerobic hydrolysis of the decomposition products output from the first reactor in an anaerobic tank; and when the time of the anaerobic hydrolysis is reached, controlling a gas valve positioned at the upper part of the anaerobic tank to be opened, and collecting the gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor. The method solves the problem of how to improve the methane production by degrading the organic waste liquid, thereby improving the methane yield.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 is a flow chart of a method for degradation treatment of organic waste liquid by using a biological hydrolysis device according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In this embodiment, a method for degradation treatment of organic waste liquid by using a biological hydrolysis device is provided, and fig. 1 is a flow chart of the method for degradation treatment of organic waste liquid by using a biological hydrolysis device according to the embodiment of the present application, as shown in fig. 1, the method includes the following steps:
step S102, acquiring the content of organic matters in the organic waste liquid and the weight of the organic waste liquid;
step S104, controlling the first reactor to decompose the organic waste liquid according to the content and the weight, wherein the decomposition time can be 20 days to 30 days, for example; the number of days of decomposition may be determined based on the average air temperature. For example, the average air temperature is acquired 20 days in the future, and if the average air temperature is lower than 25 degrees, the time for decomposition is increased by 25 days, and if the average temperature is higher than equal 25 degrees, the time for decomposition is 20 days.
Adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid; controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added. The usage amount of the bacteria is obtained in advance through experiments, the problem of cost increase is caused by the large usage amount of the bacteria, and the decomposition is not influenced. The bacterium contains at least one or more selected from the group consisting of Alcaligenes (Alcaligenes) bacteria, Sphingobacterium (Sphingobacterium) bacteria, Shewanella alga (Shewanella algae), Rhodobacter (Rhodobacter) bacteria, Micrococcus luteus (Micrococcus luteus) bacteria, Paracoccus (Paracoccus) bacteria, Bordetella oxysulfide (Bosea thiooxidans), and Paracoccus advanced (Paracoccus verstus) bacteria.
Step S106, controlling the time for anaerobic hydrolysis of the decomposition product output by the first reactor in an anaerobic tank;
and S108, controlling a gas valve positioned at the upper part of the anaerobic tank to be opened when the anaerobic hydrolysis time is reached, and collecting gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
The steps solve the problem of how to improve the methane production by degrading the organic waste liquid, thereby improving the methane yield.
In this embodiment, after collecting the gas generated after the anaerobic water decomposition into a gas tank, the method further includes: and controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor. Optionally, controlling the second reactor to decompose the product output by the anaerobic tank comprises: the temperature of the second reactor is controlled to effect decomposition.
In an alternative embodiment, the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees. The time of decomposition in the second reactor is 10 days to 15 days, the number of days is also determined according to the average value of the air temperature, the average air temperature of the next 10 days is obtained, if the average air temperature is lower than 20 ℃, the time of decomposition is increased by 15 days, and if the average temperature is higher than equal 20 ℃, the time of decomposition is 10 days.
In the above step, a first reactor for producing organic waste of biogas by decomposition and having an output for decomposing the waste; and an anaerobic tank connected to an output end of the first reactor for anaerobic hydrolysis of the decomposed waste output from the first reactor, the anaerobic tank further having an output end for outputting the anaerobic hydrolysate to the second reaction vessel, the anaerobic tank having an input port for inputting bacteria for increasing bacteria; the top of the anaerobic tank is used for gathering the gas obtained by grading the first reactor and the second reactor and removing the gas through the top space.
The anaerobic hydrolysis process and the gas in the anaerobic tank are removed, so that materials which are not decomposed in the reactor are more easily decomposed, more gas is obtained through decomposition, and the production speed of biogas is improved. Heating may also be carried out in an anaerobic environment, i.e. an anaerobic tank, and preferably the gas may be heated to 50 ℃ to 90 ℃, or more preferably 75 ℃. In addition, the gas that has passed through the headspace of the anaerobic tank may be cooled in a heat exchanger (e.g., a counter-flow heat exchanger) to remove condensed water from the gas. The time for anaerobic decomposition in the anaerobic pond is 1 to 2 days.
In another alternative embodiment, the pressure may be increased in the first reactor and the second reactor, preferably 1.5 times the atmospheric pressure, which facilitates faster decomposition in a high pressure environment.
In this embodiment, an electronic device is provided, comprising a memory in which a computer program is stored and a processor configured to run the computer program to perform the method in the above embodiments.
The programs described above may be run on a processor or may also be stored in memory (or referred to as computer-readable media), which includes both non-transitory and non-transitory, removable and non-removable media, that implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
These computer programs may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks, and corresponding steps may be implemented by different modules.
Such an apparatus or system is provided in this embodiment. The device is called a device for degrading and treating organic waste liquid by utilizing biological hydrolysis equipment, and comprises: the acquisition module is used for acquiring the content of organic matters in the organic waste liquid and the weight of the organic waste liquid; the decomposition module is used for controlling the first reactor to decompose the organic waste liquid according to the content and the weight; the first control module is used for controlling the time for anaerobic hydrolysis of the decomposition products output by the first reactor in the anaerobic tank; and the second control module is used for controlling a gas valve positioned at the upper part of the anaerobic tank to be opened when the anaerobic hydrolysis time is reached, and collecting gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
The system or the apparatus is used for implementing the functions of the method in the foregoing embodiments, and each module in the system or the apparatus corresponds to each step in the method, which has been described in the method and is not described herein again.
For example, it also includes: and the third control module is used for controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor. Optionally, the third control module is configured to: the temperature of the second reactor is controlled to effect decomposition.
For another example, the first control module is configured to: adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid; controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added. Optionally, the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees.
The steps solve the problem of how to improve the methane production by degrading the organic waste liquid, thereby improving the methane yield.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for degrading and treating organic waste liquid by utilizing biological hydrolysis equipment is characterized by comprising the following steps:
obtaining the content of organic matters in the organic waste liquid and the weight of the organic waste liquid;
controlling a first reactor to decompose the organic waste liquid according to the content and the weight;
controlling the time for anaerobic hydrolysis of the decomposition products output from the first reactor in an anaerobic tank;
and when the time of the anaerobic hydrolysis is reached, controlling a gas valve positioned at the upper part of the anaerobic tank to be opened, and collecting the gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
2. The method of claim 1, wherein after collecting the gas produced after the anaerobic water decomposition into a gas tank, the method further comprises:
and controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor.
3. The method of claim 2, wherein controlling the first reactor to decompose the organic waste liquid according to the content and weight comprises:
adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid;
controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added.
4. The method of claim 2, wherein controlling the second reactor to decompose the products output by the anaerobic tank comprises:
the temperature of the second reactor is controlled to effect decomposition.
5. The method according to claim 3 or 4, wherein the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees.
6. The utility model provides an utilize biological hydrolysis equipment to organic waste liquid degradation processing's device which characterized in that includes:
the acquisition module is used for acquiring the content of organic matters in the organic waste liquid and the weight of the organic waste liquid;
the decomposition module is used for controlling the first reactor to decompose the organic waste liquid according to the content and the weight;
the first control module is used for controlling the time for anaerobic hydrolysis of the decomposition products output by the first reactor in the anaerobic tank;
and the second control module is used for controlling a gas valve positioned at the upper part of the anaerobic tank to be opened when the anaerobic hydrolysis time is reached, and collecting gas in the anaerobic tank into a gas storage tank, wherein the anaerobic tank is connected with the first reactor.
7. The apparatus of claim 6, further comprising:
and the third control module is used for controlling the second reactor to decompose the product output by the anaerobic tank, wherein the anaerobic tank is connected with the second reactor.
8. The apparatus of claim 7, wherein the first control module is configured to:
adding bacteria according to the content and the weight, wherein the bacteria are used for decomposing the organic waste liquid;
controlling the temperature of the first reactor within a first predetermined temperature range to decompose the organic waste liquid to which the bacteria are added.
9. The apparatus of claim 7, wherein the third control module is configured to:
the temperature of the second reactor is controlled to effect decomposition.
10. The device according to claim 8 or 9, wherein the first predetermined temperature range is between 40 degrees and 50 degrees; the temperature of the second reactor is lower than the temperature of the first reactor, and the temperature of the second reactor is higher than 30 degrees.
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| CN107265802A (en) * | 2017-07-11 | 2017-10-20 | 湖南优卓牧业有限公司 | The treatment for cow manure system and processing method of a kind of dairy cow farm |
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2021
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Patent Citations (8)
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| US20090032458A1 (en) * | 2004-10-19 | 2009-02-05 | Bio-Circuit Aps | Biogas Producing Facility With Anaerobic Hydrolysis |
| CN101555087A (en) * | 2008-04-11 | 2009-10-14 | Hanbat大学校产学协力团 | Combined anaerobic process apparatus for treating organic wastes |
| CN103003204A (en) * | 2010-05-14 | 2013-03-27 | 加利福尼亚大学董事会 | High rate anaerobic digester system and method |
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