CN201381258Y - High-concentration organic wastewater treatment system - Google Patents
High-concentration organic wastewater treatment system Download PDFInfo
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- CN201381258Y CN201381258Y CN200920106350U CN200920106350U CN201381258Y CN 201381258 Y CN201381258 Y CN 201381258Y CN 200920106350 U CN200920106350 U CN 200920106350U CN 200920106350 U CN200920106350 U CN 200920106350U CN 201381258 Y CN201381258 Y CN 201381258Y
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 25
- 239000002351 wastewater Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 240000004808 Saccharomyces cerevisiae Species 0.000 claims abstract description 23
- 238000005842 biochemical reaction Methods 0.000 claims abstract description 22
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 238000009280 upflow anaerobic sludge blanket technology Methods 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000004062 sedimentation Methods 0.000 claims abstract description 16
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 15
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 claims abstract description 14
- 230000000813 microbial effect Effects 0.000 claims abstract description 10
- 235000015097 nutrients Nutrition 0.000 claims abstract description 9
- 238000005188 flotation Methods 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims description 13
- 238000006477 desulfuration reaction Methods 0.000 claims description 12
- 230000023556 desulfurization Effects 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 14
- 239000006228 supernatant Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000010815 organic waste Substances 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 241000894006 Bacteria Species 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WHBHBVVOGNECLV-OBQKJFGGSA-N 11-deoxycortisol Chemical compound O=C1CC[C@]2(C)[C@H]3CC[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 WHBHBVVOGNECLV-OBQKJFGGSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 241001148470 aerobic bacillus Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004332 deodorization Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- LPUQAYUQRXPFSQ-DFWYDOINSA-M monosodium L-glutamate Chemical compound [Na+].[O-]C(=O)[C@@H](N)CCC(O)=O LPUQAYUQRXPFSQ-DFWYDOINSA-M 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 239000004223 monosodium glutamate Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model discloses a high-concentration organic wastewater treatment system, which comprises a first regulating tank, a biochemical reaction tank, a sedimentation tank, a second regulating tank, a sulfate reducing tank, a bio-desulphurization tank, an air flotation device, a middle regulating tank, a UASB reaction device and a CASS reaction device, wherein the first regulating tank receiving wastewater is provided with a wastewater output end, the biochemical reaction tank, the sedimentation tank, the second regulating tank, the sulfate reducing tank, the bio-desulphurization tank, the air flotation device, the middle regulating tank, the UASB reaction device and the CASS reaction device are sequentially connected behind the wastewater output end of the first regulating tank, the bio-desulphurization tank and the CASS reaction device are respectively equipped with an air inlet device for receiving air, the sulfate reducing tank and the UASB reaction device are respectively equipped with a granular sludge feeding device, the bio-desulphurization tank and the CASS reaction device are respectively equipped with an aerobic sludge feeding device, and the biochemical reaction tank is equipped with a yeast species feeding device and a microbial activated nutrient feeding device.
Description
Technical Field
The utility model relates to an environmental protection system especially relates to a high concentration organic wastewater treatment system.
Background
With the development of industry and economy, food processing factories are favored by investors due to obvious economic benefits, and the scale and speed of factory building are increased.
Among these, a large number of alcohol plants, monosodium glutamate plants, citric acid plants, breweries, enzyme preparation plants are produced. The above plants have a common feature that the production process is a fermentation process, thereby producing high-concentration organic wastewater. The high-concentration organic wastewater has the characteristics of strong acidity, high COD (chemical oxygen demand), high BOD (biochemical oxygen demand), high sulfate radical, high thallus content and the like, and simultaneously contains a large amount of sugar, protein, SS (suspended solid) and ammonia nitrogen, and the substances are not toxic and harmful substances and can be utilized by some microorganisms in growth and reproduction. However, if any discharge is carried out, not only are precious resources wasted, but also serious environmental pollution is caused.
However, the method for treating wastewater by adding microorganisms is greatly influenced by water quality and environmental temperature, and when the water quality and the environmental temperature change, the viability and reproductive capacity of the added microorganisms and the wastewater treatment capacity are greatly reduced, thereby influencing the wastewater treatment effect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art's shortcoming, provide a high concentration organic waste water treatment system, reduce the influence that the bacterium received quality of water and ambient temperature through adding yeast strain and microbial activity nutrient simultaneously in to the waste water to the increase is to the throughput of organic waste water.
High concentration organic wastewater treatment system, including the first equalizing basin of receiving waste water, this first equalizing basin has waste water output end, still includes:
the biochemical reaction tank, the sedimentation tank, the second regulating tank, the sulfate reduction tank, the biological desulfurization tank, the air floatation device, the intermediate regulating tank, the UASB reaction device and the CASS reaction device are sequentially connected behind the wastewater output end of the first regulating tank;
wherein,
the biological desulfurization tank and the CASS reaction device are respectively provided with an air inlet device for receiving air;
the sulfate reduction tank and the UASB reaction device are respectively provided with a granular sludge adding device, and the biological desulfurization tank and the CASS reaction device are respectively provided with an aerobic sludge adding device;
the biochemical reaction tank is provided with a yeast strain adding device and a microbial active nutrient adding device.
Among the high concentration organic wastewater treatment system, still include surplus yeast recovery unit, the sedimentation tank is provided with first export and through this first exit linkage surplus yeast recovery unit.
Among the high concentration organic wastewater treatment system, the sedimentation tank is provided with the second export and connects biochemical reaction pond in order to return the yeast to biochemical reaction pond through this second export.
Among the high concentration organic wastewater treatment system, still include the residue collector, the air supporting device is provided with the residue export to through this residue exit linkage residue collector.
Among the high concentration organic wastewater treatment system, still include marsh gas recovery unit, UASB is provided with the marsh gas export to through this marsh gas exit linkage marsh gas recovery unit.
Among the high concentration organic wastewater treatment system, even the aerobic bacteria in the waste water breeds rapidly under the environment of nature in order to do benefit to and decompose the organic matter, suppresses reproduction and growth of anaerobic bacteria simultaneously, reaches the effect of deodorization and decomposition grease to increased the vitality of bacterium simultaneously, made the bacterium receive quality of water and ambient temperature's influence very little, thereby increased the throughput to organic waste water.
Drawings
FIG. 1 is a schematic structural view of a high concentration organic wastewater treatment system according to the present invention.
Detailed Description
The high concentration organic wastewater treatment system of the present invention will be further described with reference to the accompanying drawings so that those skilled in the art can implement the same with reference to the present specification.
As shown in figure 1, high concentration organic wastewater treatment system is including receiving the first equalizing basin of waste water, and this first equalizing basin has waste water output, and the input in biochemical reaction pond is connected to its waste water output to with the leading-in biochemical reaction pond of waste water in the first equalizing basin.
And a yeast strain adding device and a microbial activity nutrient adding device are arranged in the biochemical reaction tank so as to simultaneously add yeast strains and microbial activity nutrient into the biochemical reaction tank.
The output end of the biochemical reaction tank is connected with the input end of the sedimentation tank. The sedimentation tank can be provided with two outlets, wherein the first outlet is connected with a residual yeast recovery device to recover the sediment in the sedimentation tank, and the sediment is dehydrated, dried and crushed to obtain the feed yeast; and a second outlet of the sedimentation tank is connected with the biochemical reaction tank, and redundant yeast in the sedimentation tank can flow back to the biochemical reaction tank.
The output end of the sedimentation tank is connected with the input end of the second regulating tank; the output end of the second regulating tank is connected with the input end of the sulfate reduction tank, and the sulfate reduction tank is provided with a granular sludge adding device to add granular sludge into the sulfate reduction tank.
The output end of the sulfate reduction tank is connected with the input end of the biological desulfurization tank, and an aerobic sludge adding device and an air inlet device are arranged in the biological desulfurization tank so as to input air and add aerobic sludge into the biological desulfurization tank.
The output end of the biological desulfurization tank is connected with the input end of the air floatation device, and the output end of the air floatation device is connected with the input end of the middle adjusting tank. The air floatation device is used for removing elemental sulfur and a part of suspended solids. Specifically, the air floatation device is provided with a residue outlet and is connected with a residue collector through the residue outlet so as to collect the residues such as the single sulfur, the suspended solids and the like.
The output of middle equalizing basin connects UASB reaction unit's input, is provided with granular sludge in this UASB reaction unit and adds the device to add granular sludge in the UASB reaction unit. The UASB reaction device can generate biogas in the reaction process, so the UASB reaction device is provided with a biogas outlet and is connected with a biogas recovery device through the biogas outlet.
The output end of the UASB reaction device is connected with the input end of the CASS reaction device, and the CASS reaction device is provided with an air inlet device for receiving air and an aerobic sludge adding device for adding aerobic sludge.
The process of wastewater treatment by the organic wastewater treatment system of the utility model is introduced below.
High concentration organic wastewater treatment system in, add yeast strain and microbial activity nutritional agent simultaneously to organic waste water, like this, even aerobic bacteria in the waste water breeds rapidly under the environment of nature, reach organic matters such as grease and nitrogen, phosphorus, charcoal (sugar) in the decomposition waste water, restrain anaerobic bacteria's reproduction and growth simultaneously, reach the effect of deodorization and decomposition grease, increase the vitality of bacterium simultaneously, make the bacterium receive quality of water and ambient temperature's influence to reduce, thereby increase the throughput to organic waste water.
The yeast strain applied in the high-concentration organic wastewater treatment system of the utility model is obtained by culturing Single Cell Protein (SCP) by utilizing organic wastewater; the microbial active nutrient is a composition of various amino acids extracted from natural plants. The addition of the yeast strain and the microbial active nutrient to the organic wastewater does not cause secondary pollution to the environment.
Use the high concentration organic wastewater treatment system carries out waste water treatment's process as follows:
the organic wastewater is pumped into a first regulating tank, after the water quality is uniform, the organic wastewater is introduced into a biochemical reaction tank, and a certain amount of yeast strains and microbial active nutrient are added into the biochemical reaction tank at the same time. The culture conditions of the yeast strains are as follows: the method does not need sterilization, can be directly cultured, adopts sulfate-resistant yeast, has the inoculation amount of 5-10 percent, the culture temperature of 28-32 ℃, the pH value of 4-5, and can be continuously treated within 24 hours.
After 24 hours of culture, introducing the liquid in the biochemical reaction tank into a sedimentation tank to obtain sediment and supernatant, wherein part of the sediment can be introduced back to the biochemical reaction tank through a second outlet, part of the sediment can be introduced into a residual yeast recovery device through a first outlet, and the feed yeast is obtained after the part of the sediment is dehydrated, dried and crushed.
And the supernatant is led into a second regulating reservoir from the sedimentation reservoir, is fully and uniformly mixed in the second regulating reservoir, is heated to 35 ℃, and is led into a sulfate reduction reservoir.
The granular sludge adding device is arranged in the sulfate reduction tank, the granular sludge can be added into the sulfate reduction tank, the granular sludge is cultured at medium temperature, most sulfate radicals can be removed after acclimation, and therefore SO in the organic wastewater is removed4 2-Reduction to S2-。
The organic wastewater treated as above is then introduced into a biological desulfurization tank provided with an intake air for receiving airAn apparatus for adding the above-mentioned S to aerobic sludge2Aeration oxidation to elemental S.
The organic wastewater containing the simple substance S and part of suspended solids is pumped into an air flotation device connected with the rear part of the biological desulfurization tank, the air flotation device is provided with a residue outlet and is connected with a residue collector through the residue outlet, the organic wastewater passes through the air flotation device, the simple substance S and the suspended solids in the organic wastewater are removed and are collected by the residue collector, and therefore SO is eliminated4 2-Influence on the subsequent anaerobic methanogenesis process.
The treated supernatant was introduced into an intermediate adjusting tank, heated to 35 ℃ in the intermediate adjusting tank, and introduced into a UASB reaction apparatus. The UASB reaction device is provided with a granular sludge adding device and a methane outlet, wherein the granular sludge is cultured at medium temperature, and the methane outlet is connected with a methane recovery device. After the supernatant passes through the UASB reaction device, more than 70 percent of COD is removed, and the generated biogas is recycled by a biogas recovery device.
The supernatant passing through the UASB reactor is then introduced into a CASS reactor, which is provided with an aerobic sludge adding device and an air inlet device for receiving air. After the supernatant is aerated in a CASS reaction device for a period of time, more than 90 percent of COD can be removed, simultaneously nitrogen and phosphorus are removed, and finally the supernatant is discharged through a decanter after precipitation.
So far, high concentration organic waste water process processing system finishes, and the discharged supernatant can reach national second grade emission standard, and the mud of production can regard as fertilizer to use after the concentrated dehydration.
The high-concentration organic wastewater treatment system can effectively reduce various pollution indexes in wastewater, optimize water quality, reduce wastewater treatment difficulty, and enable the wastewater to be discharged up to the standard, and the wastewater discharged up to the standard can be used as boiler water or circulating water, so that water resources are saved; the biogas generated by anaerobic treatment is collected and then comprehensively utilized, thereby saving energy.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (5)
1. A high concentration organic wastewater treatment system, includes a first equalizing basin that receives waste water, and this first equalizing basin has the waste water output, its characterized in that still includes:
the biochemical reaction tank, the sedimentation tank, the second regulating tank, the sulfate reduction tank, the biological desulfurization tank, the air floatation device, the intermediate regulating tank, the UASB reaction device and the CASS reaction device are sequentially connected behind the wastewater output end of the first regulating tank;
wherein,
the biological desulfurization tank and the CASS reaction device are respectively provided with an air inlet device for receiving air;
the sulfate reduction tank and the UASB reaction device are respectively provided with a granular sludge adding device, and the biological desulfurization tank and the CASS reaction device are respectively provided with an aerobic sludge adding device;
the biochemical reaction tank is provided with a yeast strain adding device and a microbial active nutrient adding device.
2. A treatment system according to claim 1, further comprising a residual yeast recovery device, wherein the sedimentation tank is provided with a first outlet and is connected to the residual yeast recovery device through the first outlet.
3. The treatment system of claim 2, wherein the sedimentation tank is provided with a second outlet and is connected to the biochemical reaction tank through the second outlet to return the yeast to the biochemical reaction tank.
4. The treatment system of claim 1, further comprising a residue collector, wherein the air flotation device is provided with a residue outlet and is connected to the residue collector through the residue outlet.
5. The treatment system of claim 1, further comprising a biogas recovery device, wherein the UASB is provided with a biogas outlet and is connected to the biogas recovery device through the biogas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106350U CN201381258Y (en) | 2009-03-06 | 2009-03-06 | High-concentration organic wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106350U CN201381258Y (en) | 2009-03-06 | 2009-03-06 | High-concentration organic wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201381258Y true CN201381258Y (en) | 2010-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920106350U Expired - Fee Related CN201381258Y (en) | 2009-03-06 | 2009-03-06 | High-concentration organic wastewater treatment system |
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| Country | Link |
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| CN (1) | CN201381258Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079611A (en) * | 2010-12-17 | 2011-06-01 | 重庆科瑞制药有限责任公司 | Wastewater treatment self-control method |
| CN103739146A (en) * | 2013-11-15 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Animal vaccine production wastewater treatment technology |
-
2009
- 2009-03-06 CN CN200920106350U patent/CN201381258Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079611A (en) * | 2010-12-17 | 2011-06-01 | 重庆科瑞制药有限责任公司 | Wastewater treatment self-control method |
| CN102079611B (en) * | 2010-12-17 | 2012-07-25 | 重庆科瑞制药(集团)有限公司 | Wastewater treatment self-control method |
| CN103739146A (en) * | 2013-11-15 | 2014-04-23 | 安徽省绿巨人环境技术有限公司 | Animal vaccine production wastewater treatment technology |
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Granted publication date: 20100113 Termination date: 20120306 |