CN216972200U - System for be used for advanced treatment of sauce flavor type white spirit waste water - Google Patents
System for be used for advanced treatment of sauce flavor type white spirit waste water Download PDFInfo
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- CN216972200U CN216972200U CN202123283773.XU CN202123283773U CN216972200U CN 216972200 U CN216972200 U CN 216972200U CN 202123283773 U CN202123283773 U CN 202123283773U CN 216972200 U CN216972200 U CN 216972200U
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Abstract
The utility model discloses a system for advanced treatment of Maotai-flavor liquor wastewater, which comprises the following steps: s1, filtering the wastewater through a film filtering tank; s2, pumping the filtered wastewater into a first heterogeneous catalyst reactor, and adding a first set amount of 03And H2O2Carrying out a preliminary reaction; s3, conveying the wastewater after primary treatment to a reactor of a second heterogeneous catalystIn (1), adding a second set amount of 03、H2O2And a heterogeneous catalyst, and carrying out deep reaction; s4, introducing the effluent of the reactor of the second heterogeneous catalyst into a reactor loaded with H2O2The heterogeneous catalyst is added into the reactor of the third heterogeneous catalyst for reaction; s5, introducing the effluent of the reactor of the third heterogeneous catalyst into the reactor loaded with H2O2In a fourth heterogeneous catalyst reactor. The utility model can thoroughly decompose the wastewater in a short time, so that COD and chromaticity stably reach the standard.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment devices, in particular to a system for advanced treatment of Maotai-flavor liquor wastewater.
Background
The utility model relates to the field of wastewater treatment in the alcohol production industry, in particular to selection and preparation of a heterogeneous ozone-hydrogen peroxide catalyst in a wastewater advanced treatment process, equipment and application.
White spirit has a long traditional history in china. In recent years, with the rapid development of the wine industry, the environmental problems caused by the wine industry are becoming more serious. Most of the existing white spirit enterprises adopt a biological treatment system to treat wastewater, and effluent contains refractory Soluble Microbial Products (SMP); SMP is the main component of COD in the effluent of biological treatment, reduces the treatment efficiency of a biological treatment system, influences the treatment of wastewater and reduces the quality of the effluent; according to the emission standard of water pollutants for fermented alcohol and white spirit industry (GB27631-2011), special emission limit (COD direct emission limit is 5Omg/L) is required to be executed on water pollutants of white spirit enterprises in an environment sensitive area, and the treatment method mainly comprises an advanced oxidation method, an adsorption method, a coagulating sedimentation method, a membrane filtration method and the like.
In the existing advanced treatment technology types, the advanced oxidation method reduces the COD of the effluent by eliminating SMP in the water body, is a main choice for advanced treatment of Maotai-flavor liquor wastewater in the future, and the advanced oxidation technology which is applicable to technical economy and can solve the SMP problem becomes an important choice for advanced treatment of liquor wastewater.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a system for advanced treatment of Maotai-flavor liquor wastewater, which has stable COD and chromaticity reaching standards, high treatment efficiency, simple operation and low cost, for solving the technical problems.
A system for advanced treatment of Maotai-flavor liquor wastewater comprises: the reactor comprises a film filtering pool, a reactor of a first heterogeneous catalyst, a reactor of a second heterogeneous catalyst, a reactor of a third heterogeneous catalyst and a reactor of a fourth heterogeneous catalyst which are connected in sequence;
the flexible sheet membrane filtering tank can filter wastewater;
the first heterogeneous catalyst reactor is internally provided with a first set amount of 03And H2O2；
The second heterogeneous catalyst reactor is internally provided with a second set amount of 03、H2O2And a heterogeneous catalyst;
the third heterogeneous catalyst is arranged in the reactor and is internally provided with H2O2And a heterogeneous catalyst;
the fourth heterogeneous catalyst is arranged in the reactor and is provided with H2O2。
In one embodiment, the membrane filter cell is connected to the reactor for the first heterogeneous catalyst via a water pump.
In one embodiment, the upper portion of the reactor for the first heterogeneous catalyst is in communication with the bottom portion of the reactor for the second heterogeneous catalyst; the upper part of the reactor of the second heterogeneous catalyst is communicated with the bottom of the reactor of the third heterogeneous catalyst; the upper portion of the reactor for the third heterogeneous catalyst is in communication with the bottom portion of the reactor for the fourth heterogeneous catalyst.
In one embodiment, the heterogeneous catalyst comprises an ozone heterogeneous catalyst A and a hydrogen peroxide heterogeneous catalyst B; the particle size of solid particles of the ozone heterogeneous catalyst A is 1-5mm, and the particle size of solid particles of the hydrogen peroxide heterogeneous catalyst B is 1-3 mm.
The system for deep treatment of the Maotai-flavor liquor wastewater has the following beneficial effects:
1) SMP organic contaminants in Strong oxidants (0)3/H2O2) Under the combined action of the components, the components can be thoroughly decomposed in a short time, and COD and chromaticity stably reach the standard;
2) the method can be operated at normal temperature and normal pressure, the SMP pollutant treatment efficiency is high, and the whole treatment process can be controlled to be completed within 5-10 minutes;
3) because other materials are not added in the process, the salt content of the effluent water of the system has no obvious change, and no other secondary pollutants are formed except the inlet water of the system, so that the sludge minimization can be realized;
4) the method has the advantages of low energy and material consumption, simple and convenient operation, low cost, stable catalytic activity, high treatment efficiency and easy realization of large-scale popularization and application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the system for advanced treatment of Maotai-flavor liquor wastewater.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
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. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a system for advanced treatment of Maotai-flavor liquor wastewater, including: a film filtering pool 1, a reactor 2 of a first heterogeneous catalyst, a reactor 3 of a second heterogeneous catalyst, a reactor 4 of a third heterogeneous catalyst and a reactor 5 of a fourth heterogeneous catalyst which are connected in sequence;
the flexible sheet membrane filtering tank 1 can filter wastewater;
the reactor 2 of the first heterogeneous catalyst is internally provided with a first set quantity of 03And H2O2；
The interior of the reactor 3 of the second heterogeneous catalyst is provided with a second set quantity of 03、H2O2And a heterogeneous catalyst;
the reactor 4 of the third heterogeneous catalyst is internally provided with H2O2And a heterogeneous catalyst;
the reactor 5 of the fourth heterogeneous catalyst is internally provided with H2O2。
In one embodiment of the present invention, the membrane filter 1 is connected to the reactor 2 of the first heterogeneous catalyst via a water pump.
In an embodiment of the utility model, the upper part of the reactor 2 of the first heterogeneous catalyst communicates with the bottom of the reactor 3 of the second heterogeneous catalyst; the upper part of the reactor 3 of the second heterogeneous catalyst is in communication with the bottom of the reactor 4 of the third heterogeneous catalyst; the upper part of the reactor 4 for the third heterogeneous catalyst is in communication with the bottom part of the reactor 5 for the fourth heterogeneous catalyst.
In one embodiment of the utility model, the heterogeneous catalyst comprises an ozone heterogeneous catalyst A and a hydrogen peroxide heterogeneous catalyst B; the particle size of the solid particles of the ozone heterogeneous catalyst A is 1-5mm, and the particle size of the solid particles of the hydrogen peroxide heterogeneous catalyst B is 1-3 mm.
The processing method comprises the following steps:
s1, filtering the wastewater through a film filtering tank 1;
s2, pumping the filtered wastewater into a reactor 2 of a first heterogeneous catalyst, and adding 0 of a first set amount3And H2O2Carrying out a preliminary reaction;
s3, conveying the wastewater after primary treatment to a reactor 3 of a second heterogeneous catalyst, and adding 0 with a second set amount3、H2O2And a heterogeneous catalyst, and carrying out deep reaction;
s4, introducing the effluent of the reactor 3 of the second heterogeneous catalyst into a reactor loaded with H2O2And adding a heterogeneous catalyst into a reactor 4 of the third heterogeneous catalyst for reaction;
s5, introducing the effluent of the reactor 4 of the third heterogeneous catalyst into a reactor loaded with H2O2In a fourth heterogeneous catalyst reactor 5. In this embodiment, after steps S1-S5 are completed, SMP in the effluent of the reactor 5 of the fourth heterogeneous catalyst is effectively treated, and indexes such as COD and chromaticity can meet the national standard effluent index requirements.
In an embodiment of the present invention, in step S1, after the wastewater is filtered by the flexible membrane filtration tank 1, the concentration of suspended solids in the water is not greater than 50 mg/L; and adding a proper amount of acid or alkali into the filtered wastewater, and adjusting the pH value to be 6.5-7.5. Therefore, after primary treatment, the wastewater can realize primary solid-liquid separation, and the pH is basically in a neutral state, so that the subsequent catalytic oxidation treatment is facilitated.
In an embodiment of the present invention, in the step S2, the value 03Is added in an amount of 0.5-5mg/L, wherein H is2O2The addition amount of (A) is 1-10 mg/L; HRT time 2-15 minutes. In said step S3, the effluent from reactor 2 of the first heterogeneous catalyst overflows from the upper part to the lower part of reactor 3 of the second heterogeneous catalyst; 0 is described3Is added in an amount of 0.5-3mg/L, the amount of H is2O2The addition amount of (A) is 1-5 mg/L; HRT time 3-5 minutes; the upper part of the effluent of the reactor 3 of the second heterogeneous catalyst overflows to a reactor 4 of a third heterogeneous catalyst, and the HRT time is 1-5 minutes; the effluent from reactor 4 of the third heterogeneous catalyst overflows into reactor 5 of the fourth heterogeneous catalyst for a HRT time of 1 to 5 minutes.
In the embodiment, the communication between the reactors (2-5) of the first to fourth heterogeneous catalysts is basically implemented in an overflow mode, so that the interference of impurities can be reduced, and the treatment effect is improved.
In one embodiment of the utility model, the heterogeneous catalyst comprises an ozone heterogeneous catalyst A and a hydrogen peroxide heterogeneous catalyst B;
the ozone heterogeneous catalyst A is a solid particle material of alumina-loaded Fe, Si, Cu, Ni and Mn single element or combined elements; the hydrogen peroxide heterogeneous catalyst B is a solid particle material of alumina-supported Fe, Cu and Mn single elements or combined elements.
In an embodiment of the present invention, the heterogeneous catalyst used in steps S2 and S3 is one or a mixture of two of an ozone heterogeneous catalyst a and a hydrogen peroxide heterogeneous catalyst B.
The first embodiment is as follows:
the process method takes the waste water of a certain Maotai-flavor winery as raw water to carry out advanced treatment, and comprises the following steps:
after raw water is filtered by a film filter tank 1, the concentration of suspended solid is less than 50mg/L, inlet water enters a water collecting area at the bottom of a reactor 2 of a first heterogeneous catalyst from a water inlet at the lower part of the reactor 2 of the first heterogeneous catalyst, the flow is 2L/H, the flow of ozone is 1.5L/min, the loading capacity of a heterogeneous catalyst A in the reactor 2 of the first heterogeneous catalyst is 7L, the water loading capacity is 3L, and H is added in a proper amount2O2Which isThe addition amount is 1mg/L, and a sample is taken after 5 minutes of reaction;
overflowing water from the upper part of a reactor 2 of a first heterogeneous catalyst, entering a water collecting area at the bottom of a reactor 3 of a second heterogeneous catalyst from a water inlet at the lower part of the reactor 3 of the second heterogeneous catalyst, wherein the flow of ozone is 0.5L/min, the loading amount of a heterogeneous catalyst A in the reactor 3 of the second heterogeneous catalyst is 7L, the water loading amount is 3L, and sampling is carried out after 5 minutes of reaction;
water overflows from the upper part of the reactor 3 for the second heterogeneous catalyst, enters a water collecting area at the bottom of the reactor 4 for the third heterogeneous catalyst from a water inlet at the lower part of the reactor 4 for the third heterogeneous catalyst, and the loading capacity of the heterogeneous catalyst A in the reactor 4 for the third heterogeneous catalyst is 7L and the water loading capacity is 3L;
the reactor 5 of the fourth heterogeneous catalyst and the reactor 4 of the third heterogeneous catalyst have the same structure and function, a sample is taken from a water outlet of the reactor 5 of the fourth heterogeneous catalyst, and indexes of advanced treatment by adopting the process method are as follows:
the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described examples merely represent several embodiments of the present application and are not to be construed as limiting the scope of the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present patent application shall be subject to the appended claims.
Claims (4)
1. The utility model provides a system for be used for deep processing of sauce flavor type white spirit waste water which characterized in that includes: a soft sheet membrane filter tank (1), a first heterogeneous catalyst reactor (2), a second heterogeneous catalyst reactor (3), a third heterogeneous catalyst reactor (4) and a fourth heterogeneous catalyst reactor (5) which are connected in sequence;
the flexible sheet membrane filtering tank (1) can filter wastewater;
the interior of the reactor (2) of the first heterogeneous catalyst is provided with a first set quantity of 03And H2O2；
The interior of the reactor (3) of the second heterogeneous catalyst is provided with a second set quantity of 03、H2O2And a heterogeneous catalyst;
the reactor (4) of the third heterogeneous catalyst is internally provided with H2O2And a heterogeneous catalyst;
the reactor (5) of the fourth heterogeneous catalyst is internally provided with H2O2。
2. The system for the advanced treatment of the Maotai-flavor liquor wastewater as claimed in claim 1, wherein the film membrane filter tank (1) is connected with the reactor (2) of the first heterogeneous catalyst through a water pump.
3. The system for the advanced treatment of the maotai-flavor liquor wastewater as claimed in claim 2, wherein the upper part of the reactor (2) of the first heterogeneous catalyst is communicated with the bottom of the reactor (3) of the second heterogeneous catalyst; the upper part of the reactor (3) of the second heterogeneous catalyst is in communication with the bottom of the reactor (4) of the third heterogeneous catalyst; the upper part of the reactor (4) of the third heterogeneous catalyst is in communication with the bottom part of the reactor (5) of the fourth heterogeneous catalyst.
4. The system for the advanced treatment of the maotai-flavor liquor wastewater as claimed in claim 3, wherein the heterogeneous catalyst comprises an ozone heterogeneous catalyst A and a hydrogen peroxide heterogeneous catalyst B; the particle size of solid particles of the ozone heterogeneous catalyst A is 1-5mm, and the particle size of solid particles of the hydrogen peroxide heterogeneous catalyst B is 1-3 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133074A (en) * | 2021-12-24 | 2022-03-04 | 上海相出净流环保科技开发有限公司 | Method and system for advanced treatment of Maotai-flavor liquor wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114133074A (en) * | 2021-12-24 | 2022-03-04 | 上海相出净流环保科技开发有限公司 | Method and system for advanced treatment of Maotai-flavor liquor wastewater |
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