CN212151977U - Food industry effluent treatment plant - Google Patents
Food industry effluent treatment plant Download PDFInfo
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- CN212151977U CN212151977U CN201922220993.4U CN201922220993U CN212151977U CN 212151977 U CN212151977 U CN 212151977U CN 201922220993 U CN201922220993 U CN 201922220993U CN 212151977 U CN212151977 U CN 212151977U
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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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
- C02F3/30—Aerobic and anaerobic 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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Physical Water Treatments (AREA)
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Abstract
The utility model discloses a food industry effluent treatment plant, the device can be in succession, high-efficient, steady operation, realize higher water standard, and it is convenient to overhaul. The utility model discloses a food industry wastewater treatment device, which comprises a main structure of a sewage treatment unit and an equipment integration unit, wherein the sewage treatment unit mainly comprises a regulating tank, a hydrolysis tank, a biological selection tank, an anoxic tank, a contact oxidation tank and a secondary sedimentation tank; the equipment comprehensive unit mainly comprises an air floatation treatment area, a dosing room, a fan room and an electric control cabinet, wherein the air floatation equipment in the air floatation treatment area is complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank; all units and equipment are connected through pipelines and auxiliary fittings.
Description
Technical Field
The utility model relates to a sewage treatment plant, concretely relates to food industry effluent treatment plant.
Background
The sewage treatment is a process for purifying sewage which meets the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. The difficulty in treating the waste water in the food industry lies in that the food industry has wide materials, various products and great difference between the quantity and the quality of the waste water discharged from workshops. The main pollutants of the wastewater comprise: solid impurities floating in the sewage, such as vegetable leaves, minced meat, poultry feather, and the like; substances suspended in the sewage such as grease, protein, starch, colloid, etc.; acids, alkalis, salts, saccharides, etc. dissolved in sewage; some also contain a large amount of silt and the like. The waste water in the food industry has the characteristics of high content of organic matters and suspended matters, easy erosion and general nontoxicity, so a treatment system which can effectively remove the organic matters and the suspended matters in the waste water aiming at the waste water in the food industry needs to be designed, and the quality of the outlet water is ensured to be stable and reach the standard.
Disclosure of Invention
The utility model discloses a to above-mentioned problem provides a food industry effluent treatment plant, and the device can be in succession, high-efficient, steady operation, realizes higher water standard, and it is convenient to overhaul.
The utility model adopts the technical proposal that:
the utility model discloses a food industry wastewater treatment device, which comprises a main structure of a sewage treatment unit and an equipment integration unit, wherein the sewage treatment unit mainly comprises a regulating tank, a hydrolysis tank, a biological selection tank, an anoxic tank, a contact oxidation tank and a secondary sedimentation tank; the equipment comprehensive unit mainly comprises an air floatation treatment area, a dosing room, a fan room and an electric control cabinet, wherein the air floatation equipment in the air floatation treatment area is complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank; all units and equipment are connected through pipelines and auxiliary fittings.
The utility model discloses a food industry effluent treatment plant, its further technical scheme is the pond of hydrolysising for improvement ABR hydrolysis pool, be furnished with mixed agitating unit, play the homogeneity effect to intaking, increase the filler in the pool of leaving water, reduce the velocity of water flow, prevent that mud from running off, water is 3 ~ 25h at improvement ABR hydrolysis pool dwell time.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be biological selection pond be furnished with mixed agitating unit, play the homogeneity effect to intaking, water is 30-45min at biological selection pond dwell time.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be the oxygen deficiency pond be furnished with mixed agitating unit, play the homogeneity effect to intaking, increase the filler in the pond, reduce the velocity of water, prevent that mud from running off, water is 0.5 ~ 3h at oxygen deficiency pond dwell time.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be that contact oxidation pond effective water depth be 3 ~ 5m, the aspect ratio is 1:2 ~ 1: 1.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be that the contact oxidation pond adopt the sectional type design, combine together activated sludge process and biomembrane method, reach the effect of advantage integration, the sectional type design contact oxidation pond cultivates high-efficient microbial community in different steps, the purifying effect is strengthened; meanwhile, the contact oxidation tank adopts an air suspension fan for aeration, and the operation power of the fan is adjusted so as to adjust the content of dissolved oxygen in the tank.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be two heavy pond surface load 0.6 ~ 1.5m3/m2H, and arranging an overflow weir to discharge water.
The utility model discloses a food industry effluent treatment plant, its further technical scheme can also be the equalizing basin dwell time of normal water be 6 ~ 12 h.
The residence time of the contact oxidation pond of the waste water treatment device in the food industry of the utility model is determined according to the quality and the quantity of inlet water; the dosing device of the dosing room is complete equipment and comprises auxiliary equipment such as a matched pump, a stirring barrel and a dosing barrel; the membrane filter press used in the device is complete equipment and comprises auxiliary equipment such as a matched pump, a turning plate, a squeezing bucket and the like.
The utility model has the advantages as follows:
the utility model discloses a food industry effluent treatment plant has solved conventional treatment process and has hydrolyzed incompletely, the load capacity that shocks resistance is low, the operation is unstable and go out water scheduling problem not up to standard. The improved ABR hydrolysis tank is provided with a mixing and stirring device, and the filler is added in the tank to fully hydrolyze complex organic matters in water. The aerobic tank adopts a sectional design, combines an activated sludge process with a biofilm process, achieves the effect of advantage integration, cultivates high-efficiency microbial communities in different stages by designing the contact oxidation tank in a sectional manner, and enhances the purification effect. The air floatation equipment adopts complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank. The dosing system, the air suspension fan, the membrane filter press and the electric control cabinet are centralized in the equipment unit, and unified maintenance and management are facilitated.
Drawings
FIG. 1 is a schematic structural view of the utility model;
in the figure, the device comprises a regulating tank 1, an accident tank 2, an air floatation machine 3, a hydrolysis tank 4, a biological selection tank 5, an anoxic tank 6, a contact oxidation tank 7, a secondary sedimentation tank 8, a sludge concentration tank 9, a sludge return well 10, a blower room (first floor), a chemical feeding room (second floor), a chemical distribution room (second floor), a storage room (first floor), a filter pressing room 15 and a sludge return well 11.
Detailed Description
The utility model discloses a food industry wastewater treatment device, which comprises a main structure of a sewage treatment unit and an equipment integration unit, wherein the sewage treatment unit mainly comprises a regulating tank, a hydrolysis tank, a biological selection tank, an anoxic tank, a contact oxidation tank and a secondary sedimentation tank; the equipment comprehensive unit mainly comprises an air floatation treatment area, a dosing room, a fan room and an electric control cabinet, wherein the air floatation equipment in the air floatation treatment area is complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank; all units and equipment are connected through pipelines and auxiliary fittings. The hydrolysis tank for improve ABR hydrolysis tank, be furnished with mixing stirring device, play the homogeneity effect to intaking, increase the filler in the play water zone, reduce the velocity of water flow, prevent that mud from running off, water is 3 ~ 25h at improvement ABR hydrolysis tank dwell time. The biological selection tank is provided with a mixing and stirring device, the water inlet is homogenized, and the retention time of the water in the biological selection tank is 30-45 min. The oxygen deficiency pond be furnished with mixed agitating unit, play the homogeneity effect to intaking, increase the filler in the pond, reduce water velocity, prevent that mud from running off, water is 0.5 ~ 3h at oxygen deficiency pond dwell time. The effective water depth of the contact oxidation pond is 3-5 m, and the length-width ratio is 1: 2-1: 1. The contact oxidation pond adopts a sectional design, combines an activated sludge method with a biofilm method to achieve the effect of advantage integration, cultivates high-efficiency microbial populations in different stages by designing the contact oxidation pond in a sectional manner, and enhances the purification effect; meanwhile, the contact oxidation tank adopts an air suspension fan for aeration, and the operation power of the fan is adjusted so as to adjust the content of dissolved oxygen in the tank. The surface load of the secondary sedimentation tank is 0.6-1.5 m3/m2.h, and an overflow weir is arranged for water outflow. The retention time of water in the adjusting tank is 6-12 h. The residence time of the contact oxidation pond of the waste water treatment device in the food industry of the utility model is determined according to the quality and the quantity of inlet water; the dosing device of the dosing room is complete equipment and comprises auxiliary equipment such as a matched pump, a stirring barrel and a dosing barrel; the membrane filter press used in the device is complete equipment and comprises auxiliary equipment such as a matched pump, a turning plate, a squeezing bucket and the like.
The invention will be further described with reference to the accompanying drawings and examples, in which the device scheme is as follows: as shown in the figure, the main structure of the food wastewater treatment process comprises a sewage treatment structure and an equipment comprehensive building, wherein the sewage treatment structure comprises 1, a regulating tank and 2, accidentsThe system comprises a tank, 4, a hydrolysis tank, 5, a biological selection tank, 6, an anoxic tank, 7, a contact oxidation tank, 8, a secondary sedimentation tank, 9, a sludge concentration tank, 10, a sludge return well and the like; the equipment comprehensive building comprises 3 air flotation machines, 11 air blowing machine rooms (first building), 12 chemical dosing rooms (second building), 13 power distribution rooms (second building), 14 storage rooms (first building), 15 filter pressing rooms and the like. The retention time of the regulating pool is 6h, and the stirrer is arranged inside the regulating pool to homogenize and homogenize the inlet water. The residence time of the improved ABR hydrolysis tank is 17.3 h. The improved ABR hydrolysis tank is provided with a mixing and stirring device, so that the water inlet is homogenized, the water outlet area is added with fillers, the water flow speed is reduced, and the sludge loss is prevented. The biological selection tank residence time is 39 min. The biological selection pond is provided with a mixing and stirring device, and plays a role in homogenizing the inflow water. The residence time of the anoxic pond is 6 h. The oxygen deficiency pond is furnished with mixed agitating unit, plays the homogeneity effect to intaking, increases the filler in the pond, reduces water velocity, prevents simultaneously that mud from running off. The residence time of the contact oxidation pond is 19.5 h. The contact oxidation pond adopts the three-stage design, combines the activated sludge process with the biofilm process, reaches the integrated effect of advantage, and the sectional design contact oxidation pond cultivates high-efficient microbial community in different orders, and purifying effect obtains strengthening. The contact oxidation tank adopts an air suspension fan for aeration, and the operation power of the fan is adjusted so as to adjust the content of dissolved oxygen in the tank. The surface load of the secondary sedimentation tank is 0.79m3/m2And h, setting overflow weir to discharge water. The air floatation equipment adopts complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank. The dosing device is complete equipment and comprises auxiliary equipment such as a matched pump, a stirring barrel and a dosing barrel; the membrane filter press is complete equipment and comprises auxiliary equipment such as a matched pump, a turning plate, a squeezing bucket and the like;
when this embodiment is used, the COD that intakes is 2800mg/L, ammonia nitrogen 95mg/L, total phosphorus 10mg/L, and suspended solid 1000mg/L adopts above-mentioned sewage treatment process, and effluent quality of water all reaches garden sewage takeover standard, promptly: COD500 mg/L, ammonia nitrogen 15mg/L, total phosphorus 5mg/L, suspended matter 300 mg/L.
Claims (6)
1. A food industry wastewater treatment device, the main structure of which comprises a sewage treatment unit and an equipment comprehensive unit, is characterized in that the sewage treatment unit mainly comprises a regulating tank, a hydrolysis tank, a biological selection tank, an anoxic tank, a contact oxidation tank and a secondary sedimentation tank; the equipment comprehensive unit mainly comprises an air floatation treatment area, a dosing room, a fan room and an electric control cabinet, wherein the air floatation equipment in the air floatation treatment area is complete equipment, is provided with an air dissolving system and an automatic control device, and automatically realizes the start and stop of the air dissolving pump according to the pressure change in the air dissolving tank; all units and equipment are connected through pipelines and auxiliary fittings.
2. The food industry wastewater treatment device as claimed in claim 1, wherein the hydrolysis tank is an improved ABR hydrolysis tank, and is provided with a mixing and stirring device to homogenize the inflow water, and the filler is added in the water outlet area to reduce the water flow speed and prevent sludge loss, and the retention time of the water in the improved ABR hydrolysis tank is 3-25 h.
3. The wastewater treatment device of food industry as claimed in claim 1, wherein the biological selection tank is equipped with a mixing and stirring device for homogenizing the feed water, and the retention time of the water in the biological selection tank is 30-45 min.
4. The food industry wastewater treatment device as claimed in claim 1, wherein the anoxic tank is provided with a mixing and stirring device, the water inlet is homogenized, the filler is added in the tank, the water flow speed is reduced, the sludge loss is prevented, and the retention time of water in the anoxic tank is 0.5-3 h.
5. The food industry wastewater treatment device according to claim 1, wherein the contact oxidation pond has an effective water depth of 3-5 m and an aspect ratio of 1: 2-1: 1.
6. The food industry wastewater treatment device as claimed in claim 1, wherein the contact oxidation tank is designed in a sectional manner, an activated sludge process and a biofilm process are combined to achieve an advantage integration effect, the contact oxidation tank is designed in a sectional manner to culture high-efficiency microbial populations at different stages, and the purification effect is enhanced; meanwhile, the contact oxidation tank adopts an air suspension fan for aeration, and the operation power of the fan is adjusted so as to adjust the content of dissolved oxygen in the tank.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220993.4U CN212151977U (en) | 2019-12-12 | 2019-12-12 | Food industry effluent treatment plant |
| PCT/CN2020/095264 WO2021114591A1 (en) | 2019-12-12 | 2020-06-10 | Food industry wastewater treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922220993.4U CN212151977U (en) | 2019-12-12 | 2019-12-12 | Food industry effluent treatment plant |
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| Publication Number | Publication Date |
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| CN212151977U true CN212151977U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922220993.4U Active CN212151977U (en) | 2019-12-12 | 2019-12-12 | Food industry effluent treatment plant |
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| CN (1) | CN212151977U (en) |
| WO (1) | WO2021114591A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113998848B (en) * | 2021-12-13 | 2023-07-14 | 大连重工环保工程有限公司 | Ammonia distillation, gas water seal, rainwater and sludge filtrate mixed wastewater treatment system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224309B (en) * | 2013-04-25 | 2014-06-25 | 西华大学 | Leather waste water treatment system and treatment process |
| KR101541070B1 (en) * | 2014-10-14 | 2015-08-05 | 주식회사 그리너스 | method and device for controlling using turbulence stimulation and filter member |
| CN205045957U (en) * | 2015-09-28 | 2016-02-24 | 南平正大欧瑞信生物科技开发有限公司 | Energy -saving leather waste water integrated processing system |
| CN205045956U (en) * | 2015-09-28 | 2016-02-24 | 南平正大欧瑞信生物科技开发有限公司 | Leather waste water integrated processing system |
| CN107758930A (en) * | 2017-11-27 | 2018-03-06 | 河北中科威德环境工程有限公司 | Air floatation machine |
| KR101892276B1 (en) * | 2018-04-11 | 2018-08-27 | 주식회사 장산이엔지 | advanced water treating apparatus using media filtering |
-
2019
- 2019-12-12 CN CN201922220993.4U patent/CN212151977U/en active Active
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- 2020-06-10 WO PCT/CN2020/095264 patent/WO2021114591A1/en active Application Filing
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| WO2021114591A1 (en) | 2021-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wastewater treatment device for food industry Effective date of registration: 20220317 Granted publication date: 20201215 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: JIANGSU AONISI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2022320000117 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230511 Granted publication date: 20201215 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: JIANGSU AONISI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2022320000117 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A wastewater treatment device for the food industry Effective date of registration: 20230517 Granted publication date: 20201215 Pledgee: Jiangsu Zijin Rural Commercial Bank Co.,Ltd. Gulou sub branch Pledgor: JIANGSU AONISI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2023320000276 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |