CN105347603A - Treatment method for fish meal manufacturing wastewater - Google Patents
Treatment method for fish meal manufacturing wastewater Download PDFInfo
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- CN105347603A CN105347603A CN201410421073.8A CN201410421073A CN105347603A CN 105347603 A CN105347603 A CN 105347603A CN 201410421073 A CN201410421073 A CN 201410421073A CN 105347603 A CN105347603 A CN 105347603A
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Abstract
The invention discloses a treatment method for fish meal manufacturing wastewater. One technical scheme adopted by the invention is as follows: a raw water conditioning tank is connected with an ultrasonic ammonia nitrogen removing integrated device; the wastewater enters a PSB (Photosynthetic Bacteria) tank and an SBR (Sequencing Batch Reactor) biochemical tank; clear water obtained after the SBR treatment enters a clear water basin; the clear water basin is connected with an FS-I filter; finally, the filtered water is discharged through an activated carbon filter; precipitates produced by the PSB tank and the SBR biochemical tank enter a sludge thickening pool and are settled by the sludge thickening pool; supernatant flows back to the raw water conditioning tank; lower-layer sludge is subjected to filter pressing by a plate-and-frame press filter so as to obtain dry sludge; and the dry sludge is transported outside or buried.
Description
Technical field
The present invention relates to sewage disposal, be specifically related to a kind for the treatment of process of fish meal processing waste water.
Background technology
Fish meal be a kind of with low-value small fish or the accurately machined tankage of fish for raw material, the high protein feed raw material produced by operations such as boiling, squeezing, dryings.The moisture of raw material weight more than 70% need be removed by the whole course of processing, because raw material is in storage, transport and the course of processing, its albumen, fat are all likely putrid and deteriorated, therefore fish meal machining produce waste liquid and waste gas stench, existing fish meal processing small business does not generally just deal with or slightly deals with directly discharge to above-mentioned waste liquid and waste gas, cause great pollution not only to affect the orthobiosis of people on the environment of surrounding, also constrain the development of local economy simultaneously.
Summary of the invention
The present invention is directed to deficiency of the prior art, a kind for the treatment of process of fish meal processing waste water is provided.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: former water equalizing tank connects ultrasonic wave ammonia nitrogen removal integrated apparatus, waste water enters PSB pond and SBR biochemistry pool, by the clear water of SBR process, enter clean water basin, clean water basin connect FS-I strainer, discharge finally by activated charcoal filter, the throw out that described PSB pond SBR biochemistry pool produces enters sludge thickener, sludge thickener carries out sedimentation, supernatant liquor is back to former water equalizing tank, and lower floor's mud carries out plate-and-frame filter press press filtration and becomes dry mud to transport outward or landfill.
The invention has the beneficial effects as follows: reduce gross investment and running expense, the features such as processing efficiency is high, effluent quality is good that totally make it reach.
Accompanying drawing explanation
Fig. 1 is process flow sheet of the present invention;
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Former water equalizing tank connects ultrasonic wave ammonia nitrogen removal integrated apparatus, waste water enters PSB pond and SBR biochemistry pool, by the clear water of SBR process, enter clean water basin, clean water basin connect FS-I strainer, discharge finally by activated charcoal filter, the throw out that described PSB pond SBR biochemistry pool produces enters sludge thickener, sludge thickener carries out sedimentation, and supernatant liquor is back to former water equalizing tank, and lower floor's mud carries out plate-and-frame filter press press filtration and becomes dry mud to transport outward or landfill.
Implementation column one
Former water equalizing tank
500t/d processing wastewater enters former water equalizing tank, former water equalizing tank is mainly because production plant different time sewage quality, the concentration of discharging are different, therefore the equalizing tank reasonable time in of needing, make waste water fully mixed in equalizing tank, reach homogeneous all to measure, alleviate the impact load to waste water disposal facility.The residence time is 8 hours.This pond physical dimension is 8m × 6m × 4m.
Implementation column two
Ultrasonic ammonia nitrogen removal device
Utilize supersonic gas vibrating effect, by the NH3-N chemical bond rupture in waste water, destroy its metastable molecular structure, thus NH3-N can be made to be converted into unit molecule N2 and NH3 overflow from water, reach the ammonia nitrogen removed in stable molecule structure in waste water.This device comprises open container and intake-outlet, it is characterized in that being provided with in said open container the smaller multilayer in cross section and to catchment excessive groove, be provided with supersonic gas vibrating device in the every layer of excessive groove that catchments.Waste water under ultrasonic resonance, makes the NH3-N key point cracking in waste water or catalyzed oxidation, is transformed into unit molecule N2 and NH3, under gas shakes, obtain stripping in each layer water leg, becomes the excessive effusion of gas.This device not only simple in equipment, effective, operation is easy, removal efficiency is high, for high-concentration ammonia nitrogenous wastewater, clearance can reach more than 90%; And process power consumption is low, a reduced investment, is particularly useful for the high-concentration ammonia nitrogenous wastewater such as organic chemical industry, fertilizer waste water and containing the ammonia nitrogen removal process of free ammonia waste water, reaches high-level efficiency, the effect of fast processing high-concentration ammonia nitrogenous wastewater recyclable ammoniacal liquor.
Vltrasonic device water outlet precipitates from flowing to tube settler, adds medicament simultaneously and is able to coacervation sedimentation to make the suspended substance in ultrasonic water outlet.The precipitation residence time is 2 hours.
Suspended substance after ultrasonic nitrogen rejection facility is separated concentrates sedimentation from flowing to sedimentation collecting tank, and after sedimentation, sludge settling thing is to sludge treating system, and supernatant liquor carries out advanced treatment to rear class biochemical treatment system.This workshop section ammonia nitrogen removal frank after supersonic gas vibrating can reach more than 90%.
Implementation column three
PSB pond
The water in intermediate regulations pond is promoted to PSB pond by pump and carries out efficient biochemical.PSB pond forms oxygen consumption district, aerobic area and anaerobic zone in groove, there is aerobic, hold concurrently oxygen, the corresponding bacterial classification of anaerobism and effect, there are outstanding adaptability and treatment effect, and be furnished with the photosynthetic bacterial classification of domestic state-of-the-art PSB, it is a kind of high loading biochemical processing device, can be used for the Industrial Waste Water Treatments of multiple concentration, particularly there is the waste water that certain difficulty needs hydrolysis and denitrogenation.This product adopts the particular fillers of my company development, sewage while oxygenation without the need to additionaling power.Its withstand load is high, shock resistance, and store mud amount large, processing efficiency is high, effective, and floor space is little, energy-conservation, not only has oxygenizement, also has hydrolytic action.
Implementation column four
SBR biochemistry pool
Water outlet through PSB pond carries out aerobic biochemical from flowing to SBR.This workshop section mainly carries out oxygenic aeration the waste water after PSB pond process raising B/C ratio, utilizes aerobic bacteria to reach improvement object to the organism consumed in waste water.The residence time of this workshop section is 24 hours, and CODcr clearance can reach about 80%.This pond physical dimension is 4m × 3.5m × 8m × 4.
Sbr reactor pond is run by following several stages:
(1) stage: flooding time 8.0h.
(2) aeration phase: aeration time is 8.0h.
(3) precipitate phase: stop aeration, start precipitation, sedimentation time is 4.0h.
(4) bleeding stage: water discharge time is 2.0h.
(5) standby phase: idle mixing time is 2.0h.
Implementation column five
FS-I strainer
The water outlet of ultrasonic ammonia nitrogen removal device is promoted to FS-I strainer by pump and filters.Because influent density is higher, for guaranteeing effluent quality up to standard and FS-I strainer must being adopted as terminal process, to guarantee that effluent quality reaches design requirements.This equipment adopts Novel filter material---zeolite, its advantages of good adsorption effect, and efficiency is high, and absorption cost is low, is widely used in the rear stage process up to standard of complicated and high-concentration sewage.
For a person skilled in the art; still can the technical scheme described in foregoing embodiments be modified; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the treatment process of a fish meal processing waste water, it is characterized in that: former water equalizing tank connects ultrasonic wave ammonia nitrogen removal integrated apparatus, waste water enters PSB pond and SBR biochemistry pool, by the clear water of SBR process, enter clean water basin, clean water basin connect FS-I strainer, discharge finally by activated charcoal filter, the throw out that described PSB pond SBR biochemistry pool produces enters sludge thickener, sludge thickener carries out sedimentation, supernatant liquor is back to former water equalizing tank, and lower floor's mud carries out plate-and-frame filter press press filtration and becomes dry mud to transport outward or landfill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421073.8A CN105347603A (en) | 2014-08-22 | 2014-08-22 | Treatment method for fish meal manufacturing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421073.8A CN105347603A (en) | 2014-08-22 | 2014-08-22 | Treatment method for fish meal manufacturing wastewater |
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| Publication Number | Publication Date |
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| CN105347603A true CN105347603A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410421073.8A Pending CN105347603A (en) | 2014-08-22 | 2014-08-22 | Treatment method for fish meal manufacturing wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517657A (en) * | 2016-11-16 | 2017-03-22 | 宜兴市天立环保有限公司 | Treating method for high-concentration wastewater from chemical production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472146A (en) * | 2003-06-24 | 2004-02-04 | 宜兴市天立环保有限公司 | Garbage infiltration liquid treating method |
| JP2006247549A (en) * | 2005-03-11 | 2006-09-21 | Jfe Engineering Kk | Chlorine sterilization method and apparatus for contaminated water |
| CN103588344A (en) * | 2012-08-13 | 2014-02-19 | 天津市塘沽鑫宇环保科技有限公司 | Novel process for treating ABS wastewater |
-
2014
- 2014-08-22 CN CN201410421073.8A patent/CN105347603A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472146A (en) * | 2003-06-24 | 2004-02-04 | 宜兴市天立环保有限公司 | Garbage infiltration liquid treating method |
| JP2006247549A (en) * | 2005-03-11 | 2006-09-21 | Jfe Engineering Kk | Chlorine sterilization method and apparatus for contaminated water |
| CN103588344A (en) * | 2012-08-13 | 2014-02-19 | 天津市塘沽鑫宇环保科技有限公司 | Novel process for treating ABS wastewater |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517657A (en) * | 2016-11-16 | 2017-03-22 | 宜兴市天立环保有限公司 | Treating method for high-concentration wastewater from chemical production |
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Application publication date: 20160224 |
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