CN1197041A - Fish powder sewage treatment method - Google Patents
Fish powder sewage treatment method Download PDFInfo
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- CN1197041A CN1197041A CN 98110156 CN98110156A CN1197041A CN 1197041 A CN1197041 A CN 1197041A CN 98110156 CN98110156 CN 98110156 CN 98110156 A CN98110156 A CN 98110156A CN 1197041 A CN1197041 A CN 1197041A
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Abstract
A process for treating sewage from fish powder factory includes oil-water separation in separating pool, microfilter to remove solid, sterilization, aerating by water pump, class-one adsorption, addition of digestive bacteria or photosynthetic bacteria, class-two adsorption, aerating, filter and discharge, and features use of the distiller's grains or sauce dregs as class-one adsorbent and the slags, zeolite, or activated carbon as class-two adsorbent. Its advantages is high treating effect.
Description
The present invention relates to the sewage disposal of fish processing, specifically is a kind of sewage water treatment method of fish meal processing.
We know, in the fish meal production process, owing in loading and unloading, carrying, storage, work-yard and the squeezing pulverizing process, produce a large amount of sewage, if sewage is directly discharged, can pollute and the severe exacerbation environment, so must handle sewage.Existing treatment process, a kind of be adopt distillation, concentrate, absorption, deodorant to taste produces fish and freezes and crude protein, discharge behind the treated water aeration aerating.Another kind be by the film engineering filter, concentrate, deodorant to taste produces fish and freezes and crude protein, discharge behind the treated water aeration aerating.Above-mentioned treatment process cost height, the use and maintenance cost height is not suitable for China manufacturer, particularly middle-size and small-size producer.In addition, the fish of generation is frozen and has also become a processing difficult problem, after the fermentation that has as farm manure; What have mixes in the fish meal, makes fish meal be difficult to oven dry, and quality of fishmeal descends, and causes very big waste.
Purpose of the present invention, provide a kind of easy to use, cost, the fish powder sewage treatment method that the operation and maintenance expense is cheap.
For achieving the above object, principal feature of the present invention is: sewage at first enters oil-water separation tank and carries out oily water separation, sewage after the oily water separation enters Microfilter to be separated solid substance, isolated solid substance enters whizzer and gets rid of in recovery, after the sewage that isolating sewage of whizzer and Microfilter leach enters the sterilization pool sterilization, through entering the one-level adsorption tank behind the water pump aeration aerating, the sorbent material that is provided with in the one-level adsorption tank is vinasse or residue of soya, trickle solid substance to remnants, after the absorption of organism such as oil and protein, add bacterial digestion or photosynthetic bacterium digestion filtering ammonia, behind the remaining organism such as nitrogen, enter the secondary absorption pond, the sorbent material that is provided with in the secondary absorption pond is slag or zeolite or activated carbon, after absorbing and deodorizing removes flavor once more, aeration aerating enters the filtering pond, filtering is provided with filtering layer in the pond, and filtering layer is sandstone, through discharging after the filtering of sandstone filtering layer.
The present invention is cheap, adopts vinasse or residue of soya not only to utilize refuse as the one-level sorbent material, and can become higher feed after adsorbing small solid substance, protein, oil, has bigger added value; Slag or zeolite or activated carbon are adopted in the secondary absorption agent, and slag is utilization of waste material, can be used as the feed compound after the zeolite adsorption, has bigger added value, easy to use, the operation and maintenance expense is cheap, surpasses national secondary discharge standard after the sewage disposal.Be suitable for the reduction plant sewage disposal, be particularly suitable for middle-size and small-size reduction plant sewage disposal, also be fit to other fish source mill sewage disposals.
Description of drawings
Accompanying drawing is a kind of method flow synoptic diagram of the present invention, also is the method flow synoptic diagram of a kind of embodiment.
Fig. 1 is the planar approach schematic flow sheet, and Fig. 2 is the A-A section method flow synoptic diagram of Fig. 1.
Provide embodiment below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment: fish powder sewage treatment method as shown in Figure 1, 2, sewage at first enter oil-water separation tank 1 and carry out oily water separation.Oil-water separation tank 1 is that the left and right side at oil-water separation tank 1 is provided with oil reservoir and sewage lagoon 16, and the oily water separation wall 13 between sewage lagoon 16 and the oil reservoir is lower than oil-water separation tank 1 outer wall, perhaps is provided with oil discharge outlet above oily water separation wall 13.At least be provided with the two-stage waterwall in the sewage lagoon 16 from front to back, one-level waterwall 15 belows are provided with water outlet, secondary waterwall 14 tops are lower than sewage lagoon 16 outer walls or the top is provided with water outlet, and above waterwall of two-stage such as I and II waterwall 15,14 are arranged in order.Sewage enters sewage lagoon 16 and is flowed out by the below through the bump of one-level waterwall 15, is flowed out by the top through secondary waterwall 14 bump, sedimentary solid substance fully can be interspersed among in the sewage, makes the oil sewage that dissociates more fully.The oil sewage that dissociates is bubbled through the water column, because the oily water separation wall 13 between sewage lagoon 16 and the oil reservoir is lower than oil-water separation tank 1 outer wall or is provided with oil discharge outlet above oily water separation wall 13, oil can flow into oil reservoir from oily water separation wall 13 tops.After the oily water separation, sewage enters Microfilter 2 by sewage lagoon 16, and Microfilter 2 can be installed in the Microfilter pond, and Microfilter 2 adopts existing Microfilter.2 pairs of solid substances of Microfilter separate, and isolating solid substance enters whizzer 3 and dries recovery, and sewage enters the Microfilter pond and accumulates.The sewage that whizzer 3 isolated sewage and Microfilter 2 leach enters sterilization pool 5 and carries out disinfection, and the water-in of sterilization pool 5 is provided with sterilizing agent import 4, and sterilizing agent import 4 can insert ozone.At least be provided with the two-stage mixed wall in the sterilization pool 5 from front to back, the two-stage mixed wall is to be provided with water outlet on one-level mixed wall 12 right sides, and secondary mixed wall 11 left sides are provided with water outlet, and above mixed wall of two-stage such as I and II mixed wall 12,11 are arranged in order.I and II mixed wall 12,11 also can be made the structure identical as the I and II waterwall that is provided with in the sewage lagoon 16 15,14.Sewage and ozone enter sterilization pool 5, bump through one-level mixed wall 12 flows out from the right side, bump through secondary mixed wall 11 flows out from the left side, ozone and sewage can be mixed, remove look, stink in the water, decompose phenol, synthetic detergent, metal ions such as oxidation, removal iron, manganese, Balancing degree, and the oxygen level in the increase water make the sewage thorough disinfection.Sewage after the sterilization enters one-level adsorption tank 7 after pumping into aerating apparatus 17 aeration aeratings by water pump 6, can increase the sewage oxygen level behind the aeration.Establish sorbent material in the one-level adsorption tank 7, sorbent material is vinasse or residue of soya.Vinasse, residue of soya adsorptive power are big, the absorption of organism such as the atomic little solid substance of remnants, oil and protein can also be able to be removed the peculiar smell in the sewage.Vinasse, residue of soya use cost are low, become higher feed behind adsorbed oil, solid substance, the protein, have big added value.Through entering secondary absorption pond 9 after the one-level absorption, also can be provided with aerating apparatus when entering secondary absorption pond 9, enter secondary absorption pond 9 behind the aeration aerating.The water-in in secondary absorption pond 9 is provided with biopurification interface 8, inserts bacterial digestion or photosynthetic bacterium, can absorb, digest organism such as ammonia in the water, nitrogen.Be provided with sorbent material in the secondary absorption pond 17, sorbent material is slag or zeolite or activated carbon.Slag is utilization of waste material, and use cost is very low, and slag and activated carbon can adsorb residual ozone, organism etc., can further remove metal ions such as iron, manganese and peculiar smell etc.; Zeolite can adsorb residual ozone, organism and metal ion etc., can be used as fodder additives after the absorption and utilizes.Also can carry out three grades of aeration absorption, the sorbent material of three grades of absorption also can be slag or zeolite or activated carbon.Through after the second adsorption, enter filtering pond 10 through quick-fried device of air 18, the secondary aeration can be to the further oxygenation of the water of filtering, makes it to reach or surpasses discharging standards, is provided with filtering layer in the filtering pond 10, and filtering layer is sandstone, water is further filtered the back discharge.The sewage of handling through aforesaid method can surpass national secondary discharge standard.
Claims (10)
1, a kind of fish powder sewage treatment method, it is characterized in that: sewage at first enters oil-water separation tank and carries out oily water separation, sewage enters Microfilter after the oily water separation, solid substance is separated, isolated solid substance enters whizzer and dries recovery, after the sewage that isolating sewage of whizzer and Microfilter leach enters the sterilization pool sterilization, through entering the one-level adsorption tank behind the water pump aeration aerating, the sorbent material that is provided with in the one-level adsorption tank is vinasse or residue of soya, trickle solid substance to remnants, after the absorption of organism such as oil and protein, add bacterial digestion or photosynthetic bacterium digestion filtering ammonia, behind the remaining organism such as nitrogen, enter the secondary absorption pond, the sorbent material that is provided with in the secondary absorption pond is slag or zeolite or activated carbon, after absorbing and deodorizing removed flavor once more, aeration aerating entered the filtering pond, and filtering is provided with filtering layer in the pond, filtering layer is sandstone, through discharging after the filtering of sandstone filtering layer.
2, fish powder sewage treatment method according to claim 1, it is characterized in that: left and right sides is provided with oil reservoir and sewage lagoon in the said oil-water separation tank, and the oily water separation wall between sewage lagoon and the oil reservoir is lower than the oil-water separation tank outer wall or is provided with oil discharge outlet above the oily water separation wall.
3, fish powder sewage treatment method according to claim 2 is characterized in that: be provided with the two-stage waterwall in the said sewage lagoon from front to back successively at least.
4, fish powder sewage treatment method according to claim 3, it is characterized in that: said two-stage waterwall, be below the one-level waterwall, to be provided with water outlet, the secondary waterwall is lower than the sewage lagoon outer wall or the top is provided with water outlet, the above waterwall of two-stage is arranged in order as the I and II waterwall.
5, fish powder sewage treatment method according to claim 1 is characterized in that, the water-in of said sterilization pool is provided with the sterilizing agent import.
6, fish according to claim 5 Fen sewage water treatment method is characterized in that, said sterilizing agent import inserts ozone.
7, fish powder sewage treatment method according to claim 1 or 5 is characterized in that: be provided with the two-stage mixed wall in the said sterilization pool from front to back at least.
8, fish powder sewage treatment method according to claim 7, it is characterized in that: said two-stage mixed wall is to be provided with water outlet on one-level mixed wall right side, secondary mixed wall left side is provided with water outlet, and the above mixed wall of two-stage is arranged in order as the I and II mixed wall.
9, fish powder sewage treatment method according to claim 1 is characterized in that: the water-in 12 in said secondary absorption pond is provided with the biopurification interface.
10, fish powder sewage treatment method according to claim 9 is characterized in that: said biopurification interface, insert bacterial digestion or photosynthetic bacterium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110156 CN1058252C (en) | 1998-04-14 | 1998-04-14 | Fish powder sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98110156 CN1058252C (en) | 1998-04-14 | 1998-04-14 | Fish powder sewage treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1197041A true CN1197041A (en) | 1998-10-28 |
| CN1058252C CN1058252C (en) | 2000-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98110156 Expired - Fee Related CN1058252C (en) | 1998-04-14 | 1998-04-14 | Fish powder sewage treatment method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952839A (en) * | 2011-08-26 | 2013-03-06 | 大江生医股份有限公司 | Method for extracting Tuna collagen solution and product thereof |
| CN103086556A (en) * | 2011-10-14 | 2013-05-08 | 龙源海洋生物股份有限公司 | Method for treating waste liquor and waste gas produced in processing of fish meal |
| CN103232122A (en) * | 2013-04-25 | 2013-08-07 | 合肥锦泰糖业有限公司 | Treatment method of rice-washing waste water |
| CN106036003A (en) * | 2016-05-31 | 2016-10-26 | 东莞市林氏生物技术股份有限公司 | Preparation method of steam fish meal and the prepared steam fish meal |
| GB2581365A (en) * | 2019-02-14 | 2020-08-19 | Sem Energy Ltd | A method for remediating contaminated water and apparatus for the same |
-
1998
- 1998-04-14 CN CN 98110156 patent/CN1058252C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102952839A (en) * | 2011-08-26 | 2013-03-06 | 大江生医股份有限公司 | Method for extracting Tuna collagen solution and product thereof |
| CN103086556A (en) * | 2011-10-14 | 2013-05-08 | 龙源海洋生物股份有限公司 | Method for treating waste liquor and waste gas produced in processing of fish meal |
| CN103232122A (en) * | 2013-04-25 | 2013-08-07 | 合肥锦泰糖业有限公司 | Treatment method of rice-washing waste water |
| CN103232122B (en) * | 2013-04-25 | 2015-04-01 | 合肥锦泰糖业有限公司 | Treatment method of rice-washing waste water |
| CN106036003A (en) * | 2016-05-31 | 2016-10-26 | 东莞市林氏生物技术股份有限公司 | Preparation method of steam fish meal and the prepared steam fish meal |
| GB2581365A (en) * | 2019-02-14 | 2020-08-19 | Sem Energy Ltd | A method for remediating contaminated water and apparatus for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1058252C (en) | 2000-11-08 |
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