CN214343624U - Large-scale fermentation cylinder fumigation sterilization system - Google Patents
Large-scale fermentation cylinder fumigation sterilization system Download PDFInfo
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- CN214343624U CN214343624U CN202022423067.XU CN202022423067U CN214343624U CN 214343624 U CN214343624 U CN 214343624U CN 202022423067 U CN202022423067 U CN 202022423067U CN 214343624 U CN214343624 U CN 214343624U
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Abstract
The utility model provides a stifling sterilization system of large-scale fermentation cylinder belongs to fermentation engineering equipment technical field, stifling sterilization system includes atomization generator, bactericidal gas concentration detector and waste gas absorption tank, atomization generator is a plurality ofly, respectively with the fermentation cylinder main part of fermentation cylinder between the gas-liquid separation with the fermentation circulating pipe links to each other, atomization generator is chlorine dioxide atomizer or ozone generator, the fermentation cylinder main part between the gas-liquid separation with the inner chamber of fermentation circulating pipe all installs the intake pipe is connected at the top between the gas-liquid separation, the fermentation cylinder minimum with the waste gas absorption tank links to each other, the evacuation pipeline is connected at waste gas absorption tank top. The fumigation sterilization system has low sterilization energy consumption, low requirement on high-temperature resistance of equipment and good safety.
Description
Technical Field
The utility model belongs to the technical field of fermentation engineering equipment, a stifling sterilization system of large-scale fermentation cylinder is related to.
Background
The large fermentation tank has a large volume and a complex structure, and has certain limitation in using steam for sterilization, such as a fermentation tank for preparing ethanol by using industrial tail gas for fermentation. The industrial tail gas fermentation ethanol preparation is a new technology for producing ethanol by using carbon monoxide as a carbon source through continuous fermentation of bacteria. In order to fully utilize the carbon monoxide in the raw material gas, a circulating gas-lift fermentation tank is adopted for fermentation, the tank body has larger volume, a plurality of layers of tower plates are arranged in the tank body, and the inner structure and the outer structure are complicated. If adopt steam high temperature sterilization, will consume a large amount of steam, require simultaneously that various accessory equipment of fermentation cylinder, gasket etc. can be high temperature resistant, and easily take place the scald risk during personnel's operation. Therefore, it is urgently needed to develop a novel sterilization method for large-scale fermentation tanks.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that there is the limitation in current large-scale fermentation cylinder steam sterilization, the utility model provides a large-scale fermentation cylinder fumigation sterilization system, this fumigation sterilization system sterilization energy consumption is low, requires lowly to the high temperature resistance performance of equipment to the security is good.
The utility model discloses a following technical scheme realizes:
the utility model provides a stifling sterilization system of large-scale fermentation cylinder, stifling sterilization system includes atomizer, bactericidal gas concentration detector and waste gas absorption tank, atomizer is a plurality ofly, respectively with the fermentation cylinder main part of fermentation cylinder between the gas-liquid separation with the fermentation circulating pipe links to each other, atomizer is chlorine dioxide atomizer or ozone generator, the fermentation cylinder main part between the gas-liquid separation with the inner chamber of fermentation circulating pipe all installs bactericidal gas concentration detector, the intake pipe is connected at the top between the gas-liquid separation, the fermentation cylinder minimum point with the waste gas absorption tank links to each other, the evacuation pipeline is connected at waste gas absorption tank top.
Further, the sterilizing gas concentration detector is a chlorine dioxide concentration detector or an ozone concentration detector.
Further, with the fermentation cylinder main part link to each other the atomization generator set up in fermentation cylinder main part upper half, with the gas-liquid separation room links to each other the atomization generator set up in gas-liquid separation room upper half, with the fermentation circulating pipe links to each other the atomization generator set up in fermentation circulating pipe upper half.
Further, the sterilizing gas concentration detectors of the inner cavities of the fermentation tank main body and the gas-liquid separation compartment are arranged on the opposite sides of the corresponding atomization generators.
Further, the sterilizing gas concentration detector of the inner cavity of the fermentation circulating pipe is arranged at the bottom of the fermentation circulating pipe.
Furthermore, the number of the atomization generators connected with the fermentation circulating pipe is 1-10, and the number of the atomization generators connected with the fermentation tank main body and the gas-liquid separation chamber is 1-4.
Furthermore, the lowest point of the fermentation tank is connected with the waste gas absorption tank through a connecting pipe, one end of the connecting pipe is connected with the bottom of the fermentation circulating pipe, and the other end of the connecting pipe is communicated with the waste gas absorption tank.
Furthermore, the waste gas absorption tank is a chlorine dioxide absorption tank or an ozone destructor, the inner cavity of the chlorine dioxide absorption tank is filled with waste gas absorption liquid, and the tail end of the connecting pipe is arranged below the liquid level of the waste gas absorption liquid.
Furthermore, a tank bottom valve is arranged on the connecting pipe.
Optionally, the spray head of the atomization generator is arranged in the inner cavity of the fermentation tank, and the air inlet pipe is connected with a nitrogen generator or an air compressor.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
1. the utility model relates to a stifling sterilization system of large-scale fermentation cylinder, through the fermentation cylinder main part at the fermentation cylinder, gas-liquid separation room and fermentation circulating pipe triplex inner chamber set up atomizing generator and bactericidal gas concentration detector separately, can be full of each position of fermentation cylinder of complex construction with bactericidal gas fast, but the concentration of bactericidal gas in the fermentation cylinder of supplementary control bactericidal gas of bactericidal gas concentration detector, regard chlorine dioxide or ozone as the germicide, it is general to disinfect, nontoxic harmless, and do not have obvious corrosion to equipment, it is simple rather than supporting chlorine dioxide generator equipment, therefore, the carrier wave prepaid electric energy meter is low in cost, and need not high-temperature heating gas, the energy consumption is lower, the security is better.
2. The utility model relates to a stifling sterilization system of large-scale fermentation cylinder adopts waste gas absorption tank can effectively avoid in local or short time high concentration chlorine dioxide or ozone release the air, causes the influence to people and environment, safe and reliable more, through the nitrogen gas that the intake pipe lets in or compressed air replacement back, can carry out normal production fermentation after simple clear water washes the emission to effectively avoid a large amount of chlorine dioxide or ozone along with wasing water entering sewage treatment workshop section, cause the influence to sewage treatment normal operating.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-fermentation tank, 11-fermentation tank main body, 12-gas-liquid separation chamber, 13-fermentation circulating pipe, 2-atomization generator, 3-sterilization gas concentration detector, 4-air inlet pipe, 5-waste gas absorption tank, 6-connecting pipe, 61-tank bottom valve, 7-evacuation pipeline and 8-waste gas absorption liquid.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly apparent from the description. It will be understood by those skilled in the art that the present embodiments and examples are illustrative of the present invention, and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
Unless otherwise specifically stated, various raw materials, reagents, instruments, equipment and the like used in the present invention are commercially available or can be prepared by an existing method.
The fumigation and sterilization system for the large fermentation tank is described in detail with reference to the following embodiments.
Example 1
As shown in fig. 1, a large-scale fermentation cylinder fumigation sterilization system, fumigation sterilization system includes atomizer 2, sterilizing gas concentration detector 3 and waste gas absorption tank 5, atomizer 2 is a plurality of, respectively with fermentation cylinder main part 11 of fermentation cylinder 1, gas-liquid separation room 12 with fermentation circulating pipe 13 links to each other, atomizer 2 is the chlorine dioxide atomizer, fermentation cylinder main part 11, gas-liquid separation room 12 with fermentation circulating pipe 13's inner chamber all installs sterilizing gas concentration detector 3, intake pipe 4 is connected at 12 tops of gas-liquid separation room, fermentation cylinder 1 nadir with waste gas absorption tank 5 links to each other, evacuation pipeline 7 is connected at 5 tops of waste gas absorption tank.
Further, the sterilizing gas concentration detector 3 is a chlorine dioxide concentration detector.
Further, the atomization generator 2 connected to the fermentation tank main body 11 is disposed on the upper half portion of the fermentation tank main body 11, the atomization generator 2 connected to the gas-liquid separation chamber 12 is disposed on the upper half portion of the gas-liquid separation chamber 12, and the atomization generator 2 connected to the fermentation circulation pipe 13 is disposed on the upper half portion of the fermentation circulation pipe 13.
Further, the sterilizing gas concentration detector 3 of the inner chamber of the fermenter main body 11 and the gas-liquid separation compartment 12 is installed at the opposite side of the corresponding atomization generator 2.
Further, the sterilizing gas concentration detector 3 in the inner cavity of the fermentation circulation pipe 13 is arranged at the bottom of the fermentation circulation pipe 13. So as to realize the effective detection of the concentration of the sterilization gas at each part of the inner cavity of the fermentation tank 1.
Further, the number of the atomization generators 2 connected with the fermentation circulation pipe 13 is 2, and the number of the atomization generators 2 connected with the fermentation tank main body 11 and the gas-liquid separation chamber 12 is 1.
Furthermore, the lowest point of the fermentation tank 1 is connected with the waste gas absorption tank 5 through a connecting pipe 6, one end of the connecting pipe 6 is connected with the bottom of the fermentation circulating pipe 13, and the other end of the connecting pipe is communicated with the waste gas absorption tank 5.
Further, the waste gas absorption tank 5 is a chlorine dioxide absorption tank, the inner cavity of the chlorine dioxide absorption tank is filled with waste gas absorption liquid 8, and the tail end of the connecting pipe 6 is arranged below the liquid level of the waste gas absorption liquid 8.
Further, a tank bottom valve 61 is arranged on the connecting pipe 6.
Furthermore, the spray head of the atomization generator 2 is arranged in the inner cavity of the fermentation tank 1, and the air inlet pipe 4 is connected with a nitrogen generator or an air compressor.
Example 2
The utility model provides a stifling sterilization system of large-scale fermentation cylinder, stifling sterilization system includes atomization generator 2, bactericidal gas concentration detector 3 and waste gas absorption tank 5, atomization generator 2 is a plurality ofly, respectively with fermentation cylinder main part 11 of fermentation cylinder 1 between the gas-liquid separation 12 with fermentation circulating pipe 13 links to each other, atomization generator 2 is ozone generator, fermentation cylinder main part 11 between the gas-liquid separation 12 with fermentation circulating pipe 13's inner chamber all installs bactericidal gas concentration detector 3, intake pipe 4 is connected at 12 tops between the gas-liquid separation, fermentation cylinder 1 the lowest point with waste gas absorption tank 5 links to each other, evacuation pipeline 7 is connected at 5 tops of waste gas absorption tank.
Further, the sterilizing gas concentration detector 3 is an ozone concentration detector.
Further, the atomization generator 2 connected to the fermentation tank main body 11 is disposed on the upper half portion of the fermentation tank main body 11, the atomization generator 2 connected to the gas-liquid separation chamber 12 is disposed on the upper half portion of the gas-liquid separation chamber 12, and the atomization generator 2 connected to the fermentation circulation pipe 13 is disposed on the upper half portion of the fermentation circulation pipe 13.
Further, the sterilizing gas concentration detector 3 of the inner chamber of the fermenter main body 11 and the gas-liquid separation compartment 12 is installed at the opposite side of the corresponding atomization generator 2.
Further, the sterilizing gas concentration detector 3 in the inner cavity of the fermentation circulation pipe 13 is arranged at the bottom of the fermentation circulation pipe 13.
Further, the number of the atomization generators 2 connected with the fermentation circulation pipe 13 is 4, and the number of the atomization generators 2 connected with the fermentation tank main body 11 and the gas-liquid separation chamber 12 is 2.
Furthermore, the lowest point of the fermentation tank 1 is connected with the waste gas absorption tank 5 through a connecting pipe 6, one end of the connecting pipe 6 is connected with the bottom of the fermentation circulating pipe 13, and the other end of the connecting pipe is communicated with the waste gas absorption tank 5.
Further, the exhaust gas absorption tank 5 is an ozone destructor.
Further, a tank bottom valve 61 is arranged on the connecting pipe 6.
Furthermore, the spray head of the atomization generator 2 is arranged in the inner cavity of the fermentation tank 1, and the air inlet pipe 4 is connected with a nitrogen generator or an air compressor.
The fermentation tank 1 is a circulating fermentation tank or a stirring fermentation tank.
In the actual production, the utility model can be provided with one or more chlorine dioxide atomizers or ozone generators according to the size and the structure of the fermentation tank 1; when a plurality of atomization generators 2 are arranged, the atomization generators are arranged as cross as possible, so that chlorine dioxide or ozone can be more uniformly diffused to each position of the fermentation tank 1, and similarly, a sterilizing gas concentration detector 3 is directly connected to the inside of the fermentation tank 1 and is used for detecting and controlling the concentration of the chlorine dioxide or ozone in the tank; one or more chlorine dioxide concentration detectors or ozone concentration detectors may be provided depending on the size and structure of the fermentation tank 1.
The utility model discloses stifling sterilization method does:
the utility model discloses 1CIP of fermentation cylinder and clear water wash clean evacuation back, open each atomization generator 2, 1 tank bottoms valve 61 of fermentation cylinder and intake pipe 4 nitrogen gas simultaneously, make the chlorine dioxide atomization gas or the ozone that come from atomization generator 2 under the help of nitrogen gas, diffuse each position of fermentation cylinder 1 fast. The waste gas absorption tank 5 is internally provided with alkali liquor and is used for absorbing part of chlorine dioxide carried by nitrogen in the process of diffusing chlorine dioxide gas, and the waste gas absorption tank 5 can also adopt an ozone destructor for absorbing part of ozone carried by nitrogen.
The exhaust pipeline 7 of the waste gas absorption tank 5 is used for balancing the pressure in the fermentation tank 1, and waste gas generated after chlorine dioxide is absorbed by alkali liquor or ozone waste gas after treatment is discharged in high altitude.
When the sterilizing gas adopts chlorine dioxide, and the concentration of the sterilizing gas in the fermentation tank 1 detected by the sterilizing gas concentration detector 3 reaches more than 50ppm, closing each chlorine dioxide atomizer; or selectively closing the atomization generator 2 at the corresponding part when the concentration of chlorine dioxide at a certain part reaches more than 50ppm, closing the atomization generator 2 and simultaneously closing the tank bottom valve 61 and nitrogen gas of the fermentation tank 1 when the concentration of chlorine dioxide at each part in the fermentation tank 1 reaches more than 50ppm, and sealing the fermentation tank 1 for sterilization for 2-4 h; after the sterilization is finished, the bottom valve 61 of the fermentation tank 1 and nitrogen gas are opened, and the residual chlorine dioxide in the fermentation tank 1 is replaced by the nitrogen gas. When the nitrogen is replaced to the condition that the concentration in each chlorine dioxide concentration detector detection fermentation tank 1 reaches Oppm, the fermentation tank 1 can be used for normal production fermentation after being simply flushed by clear water and then emptied. The waste gas absorption liquid 8 is fresh lye or CIP spent lye with the concentration of sodium hydroxide of 2-5 percent.
When the sterilizing gas is ozone, the sterilizing concentration of the ozone in the fermentation tank 1 is kept at 6-10ppm, and the sterilizing time is 2-4 h.
The utility model discloses in, equipment and components such as fermentation cylinder, all kinds of atomization generator 2, bactericidal gas concentration detector 3, tank bottoms valve are current equipment or structure, and its concrete constitution and theory of operation are no longer detailed here.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A large-scale fermentation tank fumigation sterilization system is characterized by comprising an atomization generator (2), a sterilization gas concentration detector (3) and a waste gas absorption tank (5), the atomization generators (2) are respectively connected with a fermentation tank main body (11), a gas-liquid separation chamber (12) and a fermentation circulating pipe (13) of the fermentation tank (1), the atomization generator (2) is a chlorine dioxide atomizer or an ozone generator, the inner cavities of the fermentation tank main body (11), the gas-liquid separation chamber (12) and the fermentation circulating pipe (13) are all provided with the sterilization gas concentration detector (3), the top of the gas-liquid separation chamber (12) is connected with a gas inlet pipe (4), the lowest point of the fermentation tank (1) is connected with the waste gas absorption tank (5), and the top of the waste gas absorption tank (5) is connected with an emptying pipeline (7).
2. A large scale fermenter fumigation sterilization system as claimed in claim 1, wherein the sterilization gas concentration detector (3) is a chlorine dioxide concentration detector or an ozone concentration detector.
3. The fumigation sterilization system for the large-scale fermentation tank as claimed in claim 1, wherein said atomization generator (2) connected with said fermentation tank main body (11) is installed at the upper half part of said fermentation tank main body (11), said atomization generator (2) connected with said gas-liquid separation chamber (12) is installed at the upper half part of said gas-liquid separation chamber (12), and said atomization generator (2) connected with said fermentation circulation pipe (13) is installed at the upper half part of said fermentation circulation pipe (13).
4. A large-scale fermentation tank fumigation sterilization system as claimed in claim 3, characterized in that said sterilization gas concentration detector (3) of the inner cavity of said gas-liquid separation chamber (12) and said fermentation tank main body (11) are installed at the opposite side of the corresponding atomization generator (2).
5. The fumigation sterilization system for large-scale fermentation tank as claimed in claim 3, characterized in that said sterilization gas concentration detector (3) of the inner cavity of said fermentation circulation pipe (13) is installed at the bottom of said fermentation circulation pipe (13).
6. The fumigation sterilization system for large-scale fermentation tank as claimed in claim 3, characterized in that the number of said atomization generators (2) connected to said fermentation circulation pipe (13) is 1-10, and the number of said atomization generators (2) connected to said fermentation tank main body (11) and said gas-liquid separation compartment (12) is 1-4.
7. The fumigation sterilization system for the large-scale fermentation tank as claimed in claim 1, wherein the lowest point of the fermentation tank (1) is connected with the waste gas absorption tank (5) through a connecting pipe (6), one end of the connecting pipe (6) is connected with the bottom of the fermentation circulating pipe (13), and the other end is communicated with the waste gas absorption tank (5).
8. A large-scale fermentation tank fumigation sterilization system as claimed in claim 7, characterized in that said waste gas absorption tank (5) is a chlorine dioxide absorption tank or an ozone destructor, said chlorine dioxide absorption tank contains a waste gas absorption liquid (8) in its inner cavity, and the end of said connecting pipe (6) is placed below the liquid level of said waste gas absorption liquid (8).
9. A large-scale fermentation tank fumigation sterilization system as claimed in claim 7, characterized in that a tank bottom valve (61) is arranged on said connecting pipe (6).
10. The fumigation sterilization system for the large-scale fermentation tank as claimed in claim 1, wherein the spray head of the atomization generator (2) is arranged in the inner cavity of the fermentation tank (1), and the air inlet pipe (4) is connected with a nitrogen generator or an air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022423067.XU CN214343624U (en) | 2020-10-27 | 2020-10-27 | Large-scale fermentation cylinder fumigation sterilization system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022423067.XU CN214343624U (en) | 2020-10-27 | 2020-10-27 | Large-scale fermentation cylinder fumigation sterilization system |
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| CN214343624U true CN214343624U (en) | 2021-10-08 |
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| CN202022423067.XU Active CN214343624U (en) | 2020-10-27 | 2020-10-27 | Large-scale fermentation cylinder fumigation sterilization system |
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Address after: Room 1601-6, 16th floor, building 1, yard 1, tianshunzhuang North Road, Shijingshan District, Beijing 100043 Patentee after: Beijing Shougang langze Technology Co.,Ltd. Patentee after: HEBEI SHOULANG NEW ENERGY TECHNOLOGY CO.,LTD. Patentee after: Beijing Shoulang Biotechnology Co.,Ltd. Address before: 100043 room 1601-6, building 1, yard 1, tianshunzhuang North Road, Shijingshan District, Beijing Patentee before: BEIJING SHOUGANG LANGZE NEW ENERGY TECHNOLOGY CO.,LTD. Patentee before: HEBEI SHOULANG NEW ENERGY TECHNOLOGY CO.,LTD. Patentee before: Beijing Shoulang Biotechnology Co.,Ltd. |