CN103508629A - Wastewater treatment system for food industry - Google Patents
Wastewater treatment system for food industry Download PDFInfo
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- CN103508629A CN103508629A CN201310413678.8A CN201310413678A CN103508629A CN 103508629 A CN103508629 A CN 103508629A CN 201310413678 A CN201310413678 A CN 201310413678A CN 103508629 A CN103508629 A CN 103508629A
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- tank
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- wastewater treatment
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- food industry
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Abstract
The invention provides a wastewater treatment system for a food industry, which comprises a regulation tank, a primary floatation tank, a UASB (Upflow Anaerobic Sludge Blanket) reaction tank, an aeration regulation tank, a primary sedimentation tank, a catalytic oxidation tank, a secondary sedimentation tank and a secondary floatation tank which are connected sequentially. The system has the advantages that the system is good in treatment effect and high in efficiency and is widely applicable to the field of wastewater treatment of the food industry.
Description
Technical field
The invention belongs to a kind of Waste Water Treatment, especially a kind of food industrial wastewater treatment system.
Background technology
The content of foodstuffs industry and complexity thereof, comprise sugaring, brewage, and meat, the processes such as diary processing, all contain organism in the waste water of discharging, have strong oxygen-consuming, and have a large amount of suspended substances to discharge with waste water.In the waste water that animal food processing is discharged, also contain public affair movement, blood, fur, grease etc., and may contain germ, so oxygen-consumption is very high, more much higher than the contaminative of the waste water of vegetable food processing discharge.Therefore food industrial wastewater is all very large to environment and anthropogenic influence, need to will after its treatment and purification, discharge through certain technology again.
Food industrial wastewater is processed except being undertaken suitable pre-treatment by water quality characteristics, general all should adopt biological treatment, but existing food wastewater treatment system outlet effect is difficult to reach requirement.
Summary of the invention
The object of this invention is to provide a kind of food industrial wastewater treatment system, solve the problem of the difficult and contaminate environment of food industrial wastewater.
The technical solution used in the present invention is that a kind of food industrial wastewater treatment system, is characterized in that: comprise the equalizing tank, one-level air flotation pool, UASB reaction tank, aerating regulation pond, preliminary sedimentation tank, contact-oxidation pool, second pond and the secondary air-floatation pond that connect successively.
Above-mentioned a kind of food industrial wastewater treatment system, is characterized in that, described UASB reaction tank, and the sludge outlet of preliminary sedimentation tank and second pond is connected sludge thickener.
The invention has the advantages that: treatment effect is good, efficiency is high and be widely used in food industrial wastewater process field.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the schematic diagram on surface of the present invention.
Embodiment
A treatment system, as shown in Figure 1, comprises the equalizing tank 1, one-level air flotation pool 2, UASB reaction tank 3, aerating regulation pond 4, preliminary sedimentation tank 5, contact-oxidation pool 6, second pond 7 and the secondary air-floatation pond 8 that connect successively.UASB reaction tank 3, the sludge outlet of preliminary sedimentation tank 5 and second pond 7 is connected sludge thickener 9.
Each integral part purposes of food industrial wastewater treatment system of the present invention is as follows:
Equalizing tank 1: foodstuffs industry sewage enters equalizing tank, by precipitation and biological action, removes partial organic substances.
One-level air flotation pool 2: sewage flows into one-level air flotation pool 2 from equalizing tank 1, one-level air flotation pool 2 utilizes the micro-bubble of high dispersing to go to adhere to the suspended contaminant in sewage as carrier, is mainly used in disposing of sewage to be difficult to the oil in water emulsion removed or relative density lower than 1 small suspended particle by natural subsidence or floating.
UASB reaction tank 3: sewage, under the effect of pump, is evacuated in UASB reaction tank 3.In UASB reaction tank 3, sewage carries out two-stage anaerobic processing, in the pre-acidification pool of the first step, sewage is by the pre-acidifying of part, at second stage UASB anaerobic reation pool, organic pollutant is finally converted into biogas, and anaerobic reaction is mainly converted into biogas by biodegradable COD.
Aerating regulation pond 4: sewage flows into aerating regulation pond 4 from UASB reaction tank 3,4 pairs, aerating regulation pond sewage stirs, process and oxygenation, avoid the sedimentation of solid particulate in sewage, to carrying out water quality all and regulating, deodorizing, prevents that anerobic sowage from decomposing, improve the dissolved oxygen content of sewage, create microorganism and decompose needed condition.
Preliminary sedimentation tank 5: sewage 4 flows into preliminary sedimentation tanks 5 from aerating regulation pond, preliminary sedimentation tank 5 remove in waste water can hypostasis and floating matter.Waste water, approximately can be except can hypostasis after just heavy, 50% of grease and floating matter, 20% of BOD.
Contact-oxidation pool 6: sewage flows into contact-oxidation pools 6 from preliminary sedimentation tank 5, sewage with the certain flow rate filler of flowing through, contacts with microbial film after oxygenation, and the active sludge acting in conjunction of microbial film and suspension, purifies waste water.
Second pond 7: sewage flows into second pond 7 from contact-oxidation pool 6, second pond 7 makes mud separated, by clarifying contaminated liquids, concentrated and returnedactivatedsludge.
Secondary air-floatation pond 8: sewage flows into secondary air-floatation pond 8 from second pond 7 reduces the colourity in water after process in secondary air-floatation pond 8.
UASB reaction tank 3, the mud in preliminary sedimentation tank 5 and second pond 7 drains into sludge thickener 9 by pipeline by mud.
Effect of the present invention is, before sewage disposal, COD concentration is about 22000mg/L, and after system is processed, secondary air-floatation pond 8 effluent COD concentration are about 300mg/L.
Above-mentioned embodiment is an example of the present invention, is not for limiting enforcement interest field of the present invention, and all equivalences of making according to the content described in the present patent application scope of patent protection change and modify, and all should be included in the present patent application the scope of the claims.
Claims (2)
1. a food industrial wastewater treatment system, is characterized in that: comprise the equalizing tank, one-level air flotation pool, UASB reaction tank, aerating regulation pond, preliminary sedimentation tank, contact-oxidation pool, second pond and the secondary air-floatation pond that connect successively.
2. a kind of food industrial wastewater treatment system according to claim 1, is characterized in that, described UASB reaction tank, and the sludge outlet of preliminary sedimentation tank and second pond is connected sludge thickener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413678.8A CN103508629A (en) | 2013-09-12 | 2013-09-12 | Wastewater treatment system for food industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413678.8A CN103508629A (en) | 2013-09-12 | 2013-09-12 | Wastewater treatment system for food industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103508629A true CN103508629A (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413678.8A Pending CN103508629A (en) | 2013-09-12 | 2013-09-12 | Wastewater treatment system for food industry |
Country Status (1)
| Country | Link |
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| CN (1) | CN103508629A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271620A (en) * | 2015-11-13 | 2016-01-27 | 西华大学 | Method for efficiently treating bamboo shoot processing wastewater |
| CN106277616A (en) * | 2016-08-30 | 2017-01-04 | 义乌市义南纸业有限公司 | A kind of waste water treatment process producing cop tube paper |
| CN109111031A (en) * | 2018-08-28 | 2019-01-01 | 苏州爱源环境科技有限公司 | A kind of emulsion polymerization production of resins purification method for effluent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302071A (en) * | 2008-06-12 | 2008-11-12 | 北京盖雅环境科技有限公司 | Method for processing palm oil waste water and use thereof |
| CN101870538A (en) * | 2009-04-24 | 2010-10-27 | 刘闽男 | Purification method and purification system of kitchen waste water |
| CN202849208U (en) * | 2012-09-20 | 2013-04-03 | 广西汇泰环保科技有限公司 | Wastewater treatment system during production of white spirit |
| CN202881041U (en) * | 2012-01-10 | 2013-04-17 | 安徽佳明环保科技股份有限公司 | UASB-SASS (Upflow Anaerobic Sludge Blanket-Suspended Array Surveillance System) combination system for treating food wastewater |
| CN203440212U (en) * | 2013-09-12 | 2014-02-19 | 江苏和顺环保股份有限公司 | Food industry wastewater treatment system |
-
2013
- 2013-09-12 CN CN201310413678.8A patent/CN103508629A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101302071A (en) * | 2008-06-12 | 2008-11-12 | 北京盖雅环境科技有限公司 | Method for processing palm oil waste water and use thereof |
| CN101870538A (en) * | 2009-04-24 | 2010-10-27 | 刘闽男 | Purification method and purification system of kitchen waste water |
| CN202881041U (en) * | 2012-01-10 | 2013-04-17 | 安徽佳明环保科技股份有限公司 | UASB-SASS (Upflow Anaerobic Sludge Blanket-Suspended Array Surveillance System) combination system for treating food wastewater |
| CN202849208U (en) * | 2012-09-20 | 2013-04-03 | 广西汇泰环保科技有限公司 | Wastewater treatment system during production of white spirit |
| CN203440212U (en) * | 2013-09-12 | 2014-02-19 | 江苏和顺环保股份有限公司 | Food industry wastewater treatment system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271620A (en) * | 2015-11-13 | 2016-01-27 | 西华大学 | Method for efficiently treating bamboo shoot processing wastewater |
| CN106277616A (en) * | 2016-08-30 | 2017-01-04 | 义乌市义南纸业有限公司 | A kind of waste water treatment process producing cop tube paper |
| CN109111031A (en) * | 2018-08-28 | 2019-01-01 | 苏州爱源环境科技有限公司 | A kind of emulsion polymerization production of resins purification method for effluent |
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140115 |