CN103553277A - Treatment technology of meat product processing wastewater - Google Patents
Treatment technology of meat product processing wastewater Download PDFInfo
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- CN103553277A CN103553277A CN201310564981.8A CN201310564981A CN103553277A CN 103553277 A CN103553277 A CN 103553277A CN 201310564981 A CN201310564981 A CN 201310564981A CN 103553277 A CN103553277 A CN 103553277A
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Abstract
The invention discloses a treatment technology of a meat product processing wastewater. The treatment technology comprises the following steps: intercepting the meat product processing wastewater through a grating, removing large-particle suspended substances and floating substances, and then flowing into an oil-separating tank; removing most of floating oil by using the difference of oil and water in density; enabling the water discharged from the oil-separating tank to flow inside a regulating reservoir; homogenizing the water quality and quantity, and then feeding into an anaerobic pool to carry out hydrolytic acidification; feeding the hydrolyzed wastewater into a biological contact oxidation pond to carry out aerobic treatment; and finally feeding the processed wastewater into a secondary sedimentation tank to remove the suspended substances such as a falling biological membrane and the like, and discharging the effluent into an urban sewage pipeline up to the standard. The treatment technology disclosed by the invention is integrated with the functions of homogenization, primary precipitation, biodegradation, secondary precipitation and the like, is free of a sludge reflux system, and has the advantages of being simple in process, small in floor area, low in investment, strong in shock load resistance and the like, and is applicable to the situation of large fluctuation in water quality and water quantity of meat processing enterprises.
Description
Technical field
The present invention relates to the process field of field of food waste water, specifically a kind for the treatment of process of meat product processing waste water.
Background technology
Meat product processing waste water is from non-staple foodstuff processing, washing oil, workshop appliance and ground flushing etc.In waste water, contain pluck foreign material, poultry hair, onal meat and grease etc., belong to high concentrated organic wastewater.The feature of its waste discharge is: change in concentration is large, and organic content is high, easily corrupt, directly enters water body and can consume the dissolved oxygen in water, destroys the ecosystem, serious environment pollution.
Identical with general trade effluent, the water quality of meat processing waste water is subject to the impact of the aspects such as processing object, production technique, water consumption, workman's labor quality and equipment level, change aspect water quality is larger, not only domestic, external data have very large difference, even if at home, the water quality of different manufacturers waste water also has larger difference.Owing to butchering and the singularity of meat product processing waste water water quality, its Treatment Design very complex.Treatment process is not only wanted less investment, stability is high, running cost is low, also should consider to produce improvement and manual maneuvering convenience etc. in details.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind for the treatment of process of meat product processing waste water, integrate homogenizing, just heavy, biological degradation, two functions such as heavy, without sludge reflux system, the advantage such as have that technique is simple, floor space is few, reduced investment, anti-shock loading are strong is applicable to meat processing enterprise's water quality and the water yield large situation that fluctuates very much.
Technical scheme of the present invention is:
A treatment process for meat product processing waste water, comprises the following steps:
(1), meat product processing waste water holds back after removing the suspended substance of greater particle size and floating matter and flows into oil trap through grid, utilizes that the density of oil and water is different removes most of oil slick;
(2), oil trap water outlet enters equalizing tank, homogenizing water quality and quantity, then enters the anoxic pond acidifying that is hydrolyzed;
(3) waste water, after hydrolysis enters biological contact oxidation pond and carries out aerobic treatment, and the waste water after processing finally enters second pond to remove the suspension materials such as microbial film that come off, and water outlet is up to standard, enters municipal sewage pipe network.
Denitrifying bacterium in described anoxic pond carries out denitrification to the nitrate refluxing, and removes the part NH in water
3-N.
In described anoxic pond, the hydraulic detention time of waste water is 7-7.4 hour.
The water outlet of described anoxic pond is introduced into intermediate pool, then enters biological contact oxidation pond.
Described second pond adopts gravity spoil disposal, and mud enters sludge thickener after preliminary concentrating, and regularly enters sludge drying pond and after natural mummification, transports outward disposal.
Advantage of the present invention:
(1), treatment process of the present invention is advanced reliable, integral layout is reasonable;
(2), operational management of the present invention is convenient, stable effluent quality is up to standard, processing cost is lower;
(3), integral device of the present invention is efficient, energy-conservation, convenient management, is convenient to maintenance;
(4), technique of the present invention is simple, floor space is few, reduced investment, anti-shock loading are strong;
(5), the present invention takes into account environmental benefit and economic benefit, do not produce secondary pollution, is conducive to the protection of ecotope.
Accompanying drawing explanation
Fig. 1 is schema of the present invention.
Embodiment
A treatment process for meat product processing waste water, comprises the following steps:
(1), meat product processing waste water holds back after removing the suspended substance of greater particle size and floating matter and flows into oil trap 2 through grid 1, utilizes that the density of oil and water is different removes most of oil slick,, reduce follow-up biochemical treatment and load;
(2), oil trap 2 water outlets enter equalizing tank 3, homogenizing water quality and quantity, then enters anoxic pond 4 acidifying that is hydrolyzed,, further improve the biodegradability of waste water, the hydraulic detention time of anoxic pond 4 interior waste water is 7-7.4 hour; Meanwhile, the denitrifying bacterium in anoxic pond 4 carries out denitrification to the nitrate refluxing, and removes the part NH in water
3-N;
(3) waste water, after hydrolysis is introduced into intermediate pool 5, then enters biological contact oxidation pond 6 and carries out aerobic treatment, and the waste water after processing finally enters second pond 7 to remove the suspension materials such as microbial film that come off, and water outlet is up to standard, enters municipal sewage pipe network.
Wherein, second pond 7 adopts gravity spoil disposal, and mud enters sludge thickener 8 after preliminary concentrating, and regularly enters sludge drying pond 9 and after natural mummification, transports outward disposal.
Claims (5)
1. a treatment process for meat product processing waste water, is characterized in that: comprise the following steps:
(1), meat product processing waste water holds back after removing the suspended substance of greater particle size and floating matter and flows into oil trap through grid, utilizes that the density of oil and water is different removes most of oil slick;
(2), oil trap water outlet enters equalizing tank, homogenizing water quality and quantity, then enters the anoxic pond acidifying that is hydrolyzed;
(3) waste water, after hydrolysis enters biological contact oxidation pond and carries out aerobic treatment, and the waste water after processing finally enters second pond to remove the suspension materials such as microbial film that come off, and water outlet is up to standard, enters municipal sewage pipe network.
2. the treatment process of a kind of meat product processing waste water according to claim 1, is characterized in that: the denitrifying bacterium in described anoxic pond carries out denitrification to the nitrate refluxing, and removes the part NH in water
3-N.
3. the treatment process of a kind of meat product processing waste water according to claim 1, is characterized in that: in described anoxic pond, the hydraulic detention time of waste water is 7-7.4 hour.
4. the treatment process of a kind of meat product processing waste water according to claim 1, is characterized in that: the water outlet of described anoxic pond is introduced into intermediate pool, then enters biological contact oxidation pond.
5. the treatment process of a kind of meat product processing waste water according to claim 1, is characterized in that: described second pond adopts gravity spoil disposal, and mud enters sludge thickener after preliminary concentrating, and regularly enters sludge drying pond and after natural mummification, transports outward disposal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564981.8A CN103553277A (en) | 2013-11-14 | 2013-11-14 | Treatment technology of meat product processing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564981.8A CN103553277A (en) | 2013-11-14 | 2013-11-14 | Treatment technology of meat product processing wastewater |
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| CN103553277A true CN103553277A (en) | 2014-02-05 |
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| CN201310564981.8A Pending CN103553277A (en) | 2013-11-14 | 2013-11-14 | Treatment technology of meat product processing wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261639A (en) * | 2014-10-23 | 2015-01-07 | 四川盛龙食品有限公司 | Slaughtering wastewater treatment device |
| CN105731733A (en) * | 2016-03-31 | 2016-07-06 | 宾阳县茧丝工贸有限责任公司 | Advanced treatment and recycling method for filature production wastewater |
| CN106116026A (en) * | 2016-07-21 | 2016-11-16 | 江苏展宏环保科技有限公司 | One way of life Sewage Disposal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261639A (en) * | 2014-10-23 | 2015-01-07 | 四川盛龙食品有限公司 | Slaughtering wastewater treatment device |
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| CN105731733A (en) * | 2016-03-31 | 2016-07-06 | 宾阳县茧丝工贸有限责任公司 | Advanced treatment and recycling method for filature production wastewater |
| CN105731733B (en) * | 2016-03-31 | 2018-08-10 | 宾阳县茧丝工贸有限责任公司 | Filature produces Sewage advanced treatment regeneration method |
| CN106116026A (en) * | 2016-07-21 | 2016-11-16 | 江苏展宏环保科技有限公司 | One way of life Sewage Disposal |
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Application publication date: 20140205 |