CN202849211U - Food waste water treatment system - Google Patents
Food waste water treatment system Download PDFInfo
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- CN202849211U CN202849211U CN 201220519321 CN201220519321U CN202849211U CN 202849211 U CN202849211 U CN 202849211U CN 201220519321 CN201220519321 CN 201220519321 CN 201220519321 U CN201220519321 U CN 201220519321U CN 202849211 U CN202849211 U CN 202849211U
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Abstract
The utility model provides a food waste water treatment system with a good treatment effect. The food waste water treatment system comprises a grating tank, a primary sedimentation tank, an adjustment acidifying tank, an upflow anaerobic sludge blanket (UASB) reaction tank, a middle sedimentation tank, a hydrolysis acidifying tank, an active sludge tank, a second middle sedimentation tank, a reaction tank, a secondary sedimentation tank and a pure water tank. The food waste water treatment system has the advantages of good treatment effect and high efficiency and can be widely applied to the field of food waste water treatment.
Description
Technical field
The utility model relates to a kind of Waste Water Treatment, especially a kind of food wastewater treatment system.
Background technology
Because raw materials for food industry is extensive, goods are of a great variety, and the water yield, the water quality of therefore discharging waste water are widely different.In the waste water there being principal pollutant: swims in solid matter in the waste water, such as dish leaf, pericarp, meat mincing, fowl plumage etc.; The material that is suspended in the waste water has grease, protein, starch, colloidalmaterial etc.; Be dissolved in acid in the waste water, alkali, salt, carbohydrate etc.: the silt particle that raw material is carried secretly and other organism etc.; Bacterium etc. causes a disease.The characteristics of food industrial wastewater are that organic substance and suspension content are high, and are easily corrupt, general without large toxicity.Its harm mainly is to make body eutrophication, so that causes hydrocoles and fish kills, impels the organism of subaqueous deposit to produce stink, worsens water quality, contaminate environment.
Food industrial wastewater is processed except being undertaken the suitable pre-treatment by water quality characteristics, general all should adopt biological treatment, but existing food wastewater treatment system treatment effect is difficult to reach requirement.
The utility model content
The purpose of this utility model provides the good food wastewater treatment system of a kind for the treatment of effect.
Realize the food wastewater treatment system of the utility model purpose, comprise the grating tank, preliminary sedimentation tank, adjusting acidification pool, UASB reaction tank, intermediate sedimentation pond, hydrolysis acidification pool, activated sludge tank, the second intermediate sedimentation pond, reaction tank, second pond and the clean water basin that connect successively.
Also be connected with in turn between described grating tank and the preliminary sedimentation tank and promote pond and fine fack.
Are connected sludge outlet and connect sludge thickener in described preliminary sedimentation tank, UASB reaction tank, the second intermediate sedimentation pond with second pond, described sludge thickener connects sludge filter press, and the filtrate outlet of described sludge filter press connects and promotes the pond.
The beneficial effects of the utility model are as follows: food wastewater treatment system of the present utility model has the advantage that treatment effect is good, efficient is high, can be widely used in the food wastewater process field.
Description of drawings
Fig. 1 is the structural representation of food wastewater treatment system of the present utility model.
Embodiment
Embodiment of the present utility model is as follows:
As shown in Figure 1, food wastewater treatment system of the present utility model comprises the grating tank, preliminary sedimentation tank, adjusting acidification pool, UASB reaction tank, intermediate sedimentation pond, hydrolysis acidification pool, activated sludge tank, the second intermediate sedimentation pond, reaction tank, second pond and the clean water basin that connect successively.
Also be connected with in turn between described grating tank and the preliminary sedimentation tank and promote pond and fine fack.Are connected sludge outlet and connect sludge thickener in described preliminary sedimentation tank, UASB reaction tank, the second intermediate sedimentation pond with second pond, described sludge thickener connects sludge filter press, and the filtrate outlet of described sludge filter press connects and promotes the pond.
Each integral part purposes of food wastewater treatment system of the present utility model is as follows:
1, grating tank: production waste and other sewage are collected through pipe network and are confluxed into grating tank.Mechanical grille can be removed the macrobead solidity thing in the water inlet, to protect the safety of follow-up running gear.
2, promote the pond: sewage promotes the pond from grating tank from flowing to, and is promoting the of short duration regulating pondage water quality in pond.Significant depth is 3.2m, and useful volume is 124.8m
3, the residence time is about 1.99h.
3, preliminary sedimentation tank: sewage at first enters into rotary drum grid under the effect of pump, and after most fruit grain, fiber etc. filtered through rotary drum grid, outward transport was dispatched from the factory or our unit recycles.Then, water is from flowing in the preliminary sedimentation tank.Sludge pump is delivered directly to mud in the sludge sump, mixes with second pond mud, then is transported to together sludge dewatering machine room dehydration and drying.
4, regulate pre-acidification pool: the preliminary sedimentation tank water outlet flows automatically to equalizing tank, regulates pre-acidification pool design useful volume and is about 858m
3, hydraulic detention time 13.7h.This equalizing tank plays pre-acidified effect, for the anaerobic reaction of back lays the first stone, will be furnished with agitator in equalizing tank, makes the sewage of different periods fully mixed, and homogeneous is all measured, and prevents that solid particulate from precipitating.Regulate simultaneously pH value and temperature (temperature is obtained by the mode of external heating, considers that the temperature on average of Guangdong Qingyuan is higher, and this programme is not taked the mode that heats), to satisfy the needs of anaerobism.
5, UASB reaction tank: sewage is evacuated in the UASB reaction tank under the effect of pump.Sewage is processed through two-stage anaerobic.By the pre-acidifying of part, in the second stage (UASB anaerobic reation pool), organic pollutant finally is converted into biogas at the first step (pre-acidification pool) sewage, and anaerobic reaction mainly is converted into biogas with biodegradable COD.Whole bio anaerobic reaction process can be described as:
COD → CH
4↑+CO
2↑+newborn anaerobic sludge
The acidifying equalizing tank is pumped to the UASB anaerobic reation pool by the UASB charging pump.
Magnetic flow meter and control valve are controlled the feed rate of UASB reaction tank automatically, to keep a stable input flow rate.UASB water outlet pH and on-line temperature monitoring.UASB top degassing vessel is equipped with liquid level switch, if the too high full level alarm that then produces of its liquid level.
The water outlet of UASB reaction tank relies on flow by gravity to UASB sludge reflux pond.
Whole anaerobic reation pool inside does not have running gear, does not consume extra electric energy.
6, intermediate sedimentation pond: sewage flows to the intermediate sedimentation pond certainly by the UASB reaction tank, anaerobic sludge entrained in the UASB water outlet is carried out sorting, the sludge reflux of better performances to UASB or store for subsequent usely, is reduced entering the load of follow-up aerobic treatment simultaneously, guarantee operation stability.The UASB water outlet can realize certain sedimentation effect by this settling tank, makes sludge settling inner at settling tank, by sludge reflux pump, mud is squeezed into the UASB reaction tank again, has guaranteed the sludge concentration in the reaction tank.The water quality homogenizing is regulated, because after former water enters mudpan, have certain residence time, and can the homogenizing influent quality.Because water quality of anaerobic effluent is more stable, can the homogenizing influent quality by effluent recycling, make the UASB reaction tank have the ability of certain anti-shock loading.
7, the second intermediate sedimentation pond: the mixed solution gravity flow that comes from the aeration tank enters intermediate sedimentation pond, precipitating sludge.Behind the sludge settling, mud mixture is back to oxygen compatibility pool, increases sludge concentration, finish anti-nitration reaction.Unnecessary mud drains into sludge sump.
8, reaction tank and second pond: the mixed solution gravity flow that comes from the intermediate sedimentation pond enters reaction tank, in case of emergency batch PAC and PAM medicament, namely can decolour, can make again small-molecule substance generate macromolecular substance, then from flowing into second pond, remove the materials such as microbial film zoogloea, finish solid-liquid separation.
9, clean water basin: sewage flows to clean water basin, qualified discharge certainly from second pond.
Embodiment recited above is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineering technical personnel in this area make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (3)
1. a food wastewater treatment system is characterized in that: comprise the grating tank, preliminary sedimentation tank, adjusting acidification pool, UASB reaction tank, intermediate sedimentation pond, hydrolysis acidification pool, activated sludge tank, the second intermediate sedimentation pond, reaction tank, second pond and the clean water basin that connect successively.
2. food wastewater treatment system according to claim 1 is characterized in that: also be connected with in turn between described grating tank and the preliminary sedimentation tank and promote pond and fine fack.
3. food wastewater treatment system according to claim 2, it is characterized in that: are connected sludge outlet and connect sludge thickener in described preliminary sedimentation tank, UASB reaction tank, the second intermediate sedimentation pond with second pond, described sludge thickener connects sludge filter press, and the filtrate outlet of described sludge filter press connects the lifting pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519321 CN202849211U (en) | 2012-09-20 | 2012-09-20 | Food waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220519321 CN202849211U (en) | 2012-09-20 | 2012-09-20 | Food waste water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202849211U true CN202849211U (en) | 2013-04-03 |
Family
ID=47980431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220519321 Expired - Fee Related CN202849211U (en) | 2012-09-20 | 2012-09-20 | Food waste water treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202849211U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508636A (en) * | 2013-09-25 | 2014-01-15 | 黄健 | Food industrial wastewater treatment system |
| CN104310727A (en) * | 2014-10-09 | 2015-01-28 | 常州大学 | Secondary sedimentation tank sludge treatment device |
| CN104944702A (en) * | 2015-06-18 | 2015-09-30 | 北京建研环保设备有限公司 | Treatment process and treatment system of ice cream wastewater |
| CN109133473A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of quick-frozen food production waste water harmless treatment reuse method |
-
2012
- 2012-09-20 CN CN 201220519321 patent/CN202849211U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508636A (en) * | 2013-09-25 | 2014-01-15 | 黄健 | Food industrial wastewater treatment system |
| CN104310727A (en) * | 2014-10-09 | 2015-01-28 | 常州大学 | Secondary sedimentation tank sludge treatment device |
| CN104944702A (en) * | 2015-06-18 | 2015-09-30 | 北京建研环保设备有限公司 | Treatment process and treatment system of ice cream wastewater |
| CN109133473A (en) * | 2018-10-12 | 2019-01-04 | 河南恒安环保科技有限公司 | A kind of quick-frozen food production waste water harmless treatment reuse method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |