CN204342618U - A kind for the treatment of unit of starch processing industry organic wastewater - Google Patents
A kind for the treatment of unit of starch processing industry organic wastewater Download PDFInfo
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- CN204342618U CN204342618U CN201420810205.1U CN201420810205U CN204342618U CN 204342618 U CN204342618 U CN 204342618U CN 201420810205 U CN201420810205 U CN 201420810205U CN 204342618 U CN204342618 U CN 204342618U
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- aeration
- disc
- oxidation trough
- processing industry
- sewage
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Abstract
The utility model discloses a kind for the treatment of unit of starch processing industry organic wastewater, it comprises oxidation trough (8) and aeration zone (9), in oxidation trough (8), be provided with three grades makes waste water flow through successively and the disc of microorganism in adsorbable waste water, is provided with the aeration spray head (6) of applicable gas blower to aeration in aeration zone (9) in the bottom of aeration zone (9).The utility model by providing the netlike rbc of working space for microorganism, make its biological attachment amount be the 700-800 of traditional biological rotating disk doubly; With the addition of aerobic zone, water outlet of can degrading effectively further simultaneously, make reactor monolith effluent quality keep higher level.
Description
Technical field
The utility model relates to the waste water treatment process of a kind of starch processing industry containing high-enriched organics, particularly relates to integral method and the device thereof of the netlike rbc with aeration zone, belongs to field of environment engineering technology.
Background technology
At present, China's starch processing enterprise process for producing waste water mostly not yet in effect.COD content >10000mg/L in the waste water of starch enterprise discharge, and process 1t starch, general waste discharge amount is 10 ~ 20m
3, some small businesss discharge more.The whole nation produces thousands of family of large small business of starch, and waste discharge amount is more than 90 × 10
4m
3.The process new technology of exploitation starch production wastewater is very necessary.
Utility model content
The purpose of this utility model is the problem for solving the enterprise wastewater discharge of producing starch at present, provides a kind for the treatment of unit of starch processing industry organic wastewater, to overcome the deficiencies in the prior art.
The utility model solves this technical problem by the following technical programs:
The utility model proposes a kind of like this treatment unit of starch processing industry organic wastewater, it comprises oxidation trough and aeration zone, netlike rbc is provided with in oxidation trough, this netlike rbc by three grades, waste water is flow through successively and the disc of microorganism in adsorbable waste water forms, i.e. one-level disc, secondary disc and three grades of discs; In addition, the aeration spray head of applicable gas blower to aeration in aeration zone is provided with in the bottom of aeration zone.The disc of netlike rbc is controlled by the drive-motor and transmission mechanism being arranged on oxidation trough front.Preferably, disc is honeycomb reticulated structure.
Based on such device, the utility model takes the method for such process starch processing industry waste water, and it comprises allows the running of the disc of netlike rbc make the microorganic adhesion in sewage on the surface of disc and to grow the biomembranous step of one deck; It comprises makes disc steep in the sewage of oxidation trough with the step making the organism in sewage be adsorbed by microbial film; It comprises makes disc rotation and is entrained with microbial film to leave liquid level and make sewage along the downward drip of biofilm surface and make oxygen dissolution to the step in microbial film; It comprises microorganism and absorbs dissolved oxygen from microbial film and the organism sewage carried out to the step of oxygenolysis; It also comprises the step being made sewage organic matter degradation by aeration agitation.
Like this, during enforcement, along water (flow) direction, the disposal of netlike rbc to sewage makes organic matter of sewage concentration gradient reduce.When rotating disk operates, original in sewage (or inoculation) microorganic adhesion, on the surface of disc, after a couple of days, card will grow one deck microbial film.Because each disc steeps in the sewage of oxidation trough, organism in sewage is just adsorbed by microbial film, when in disc rotation process, it is entrained with after sewage film leaves liquid level, sewage is along the downward drip of biofilm surface, oxygen in air, by effects such as absorption, mixing, diffusion, infiltrations, is constantly dissolved in moisture film.Meanwhile, microorganism absorbs dissolved oxygen from moisture film, carries out oxygenolysis again to organism, discharges the meta-bolites of bio-oxidation.Along with blodisc rotates continuously, on dish, microbial film also just ceaselessly, alternately contacts with water, air, make absorption-absorption, the process of dissolved oxygen-decomposition oxidation constantly carries out, organic concentration in oxidation trough sewage is reduced and dissolved oxygen content increase, so sewage is purified.The sewage of oxidation trough generally can by the level of several thousand mg/L COD degradation to hundreds of mg/L COD.Sewage enters aeration zone further and carries out aerobic treatment, and under the effect of aerobic activated sludge, the organism of remainder can significantly reduce further.After oxidation trough water outlet enters follow-up aeration zone, the stirring action of being supported by the aerating system at the bottom of pond and being produced, sewage organic matter is degraded further under the effect of aerobic activated sludge.By the process of oxidation trough and aeration zone, improve waste water dis posal effect.
Preferably, the disc honeycomb polythene material of netlike rbc is made.Current domestic conventional disc material has: plastic foamboard, plastics tabula rasa, plastic corrugated sheet, glass reinforced plastic, steel plate, plank, bamboo clappers etc.Test shows that these disc material can not meet the performance requriements of high-level efficiency rotating disk, the effective surface area of disc is the important factor affecting blodisc processing efficiency, in order to increase its effective surface area, the utility model have selected honeycomb polythene material as disc material, it has following feature: 1. quality is light, and its density is only 36.1kg/m
3; 2. have larger voidage and specific surface area, voidage is 89.2%, and specific surface area is 4.3cm
2/ cm
3; 3. certain physical strength is had; 4. good physical and chemical properties, water-absorbent and water absorbability little, soaked rear indeformable, acid and alkali-resistance, is not easily decomposed by the microorganisms, long service life.In order to working strength and the disc easy accessibility of stopping-off piece sheet material, disc design becomes erection method, and each overall disc is made up of 6 independent discs.
In addition, due to microorganism growth ambient stable on blodisc, according to waste water characteristic, suitable bacterium liquid can be added in waste water, preferably, as with the extremely indomitable Bacillus facultative anaerobe of a kind of vitality, effectively can remove COD, BOD, remove nitrogen and phosphorus simultaneously, effectively decompose the foul smell compositions such as thiomethyl alcohol, ammonia and hydrogen sulfide, secretion microbiotic and viscous substance, have effect of sterilization sterilizing and very strong adsorption filtration ability.
The utility model is by providing the netlike rbc of working space for microorganism, reticulated structure has larger specific surface area, make its biological attachment amount be the 700-800 of traditional biological rotating disk doubly; With the addition of aerobic zone (aeration zone), water outlet of can degrading effectively further simultaneously, make reactor monolith effluent quality keep higher level.
Accompanying drawing explanation
Fig. 1 is the structural representation of wastewater treatment equipment of the present utility model.
Description of reference numerals: 1-drive-motor, 2-transmission mechanism, 3-one-level disc, 4-secondary disc, 5-tri-grades of discs, 6-aeration spray head, 7-rising pipe, 8-oxidation trough, 9-aeration zone.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
See Fig. 1, Fig. 1 illustrates the structure of this starch processing industry wastewater treatment equipment of the present utility model, as we can see from the figure, this apparatus main body of the present utility model is made up of oxidation trough 8 and aeration zone 9, is disposed with one-level disc 3, secondary disc 4 and three grades of discs 5 in oxidation trough 8 along waste water flow direction.Three grades of discs of rotating disk are driven by the drive-motor 1 being positioned at oxidation trough 8 front, and drive-motor 1 drives the disc rotation of rotating disk by transmission mechanism 2.
Also illustrate in figure and be provided with three aeration spray heads 6 in the bottom of aeration zone 9, aeration spray head connects gas blower, makes aeration spray head to aeration in aeration zone 9 by the effect of gas blower.Pass through the rising pipe 7 of the final water processed above aeration zone 9 to flow in settling tank and carry out subsequent disposal.
The utility model implements like this:
After starch processing industry waste water enters oxidation trough 8 of the present utility model as shown in Figure 1, from figure, flow to the right in the left side, and along water (flow) direction, the disposal of netlike rbc to sewage makes organic matter of sewage concentration gradient reduce.When starting drive-motor 1 and driving rotating disk to operate by transmission mechanism 2, original in sewage (or inoculation) microorganic adhesion is on the surface of the one-level disc 3 of netlike rbc, secondary disc 4 and three grades of discs 5, after a couple of days, the card of disc at different levels will grow one deck microbial film.Because each disc steeps in the sewage of oxidation trough 8, organism in sewage is just adsorbed by microbial film, when in disc rotation process, it is entrained with after sewage film leaves liquid level, sewage is along the downward drip of biofilm surface, oxygen in air, by effects such as absorption, mixing, diffusion, infiltrations, is constantly dissolved in moisture film.Meanwhile, microorganism absorbs dissolved oxygen from moisture film, carries out oxygenolysis again to organism, discharges the meta-bolites of bio-oxidation.
Along with netlike rbc rotates continuously, on dish, microbial film also just ceaselessly, alternately contacts with water, air, make absorption-absorption, the process of dissolved oxygen-decomposition oxidation constantly carries out, organic concentration in oxidation trough sewage is reduced and dissolved oxygen content increase, so sewage is purified.The sewage of oxidation trough generally can by the level of several thousand mg/L COD degradation to hundreds of mg/L COD.
Sewage enters aeration zone 9 further and carries out aerobic treatment, and under the effect of aerobic activated sludge, in sewage, the organism of remainder can significantly reduce further.After oxidation trough 8 water outlet enters follow-up aeration zone 9, by the stirring action of aeration spray head 6 oxygen supply at the bottom of pond and generation, sewage organic matter is degraded further under the effect of aerobic activated sludge.By the process of oxidation trough 8 and aeration zone 9, improve waste water dis posal effect.Water after final process flows to settling tank by rising pipe 7 and enters post precipitation process.
Certainly, more than just embody rule example of the present utility model, the technical scheme that the utility model also has other embodiment, all employings to be equal to replacement or equivalent transformation to be formed, all drops within the protection domain required by the utility model.
Claims (3)
1. the treatment unit of a starch processing industry organic wastewater, it is characterized in that: it comprises oxidation trough (8) and aeration zone (9), in oxidation trough (8), be provided with three grades makes waste water flow through successively and the disc of microorganism in adsorbable waste water, is provided with the aeration spray head (6) of applicable gas blower to aeration in aeration zone (9) in the bottom of aeration zone (9).
2. the treatment unit of starch processing industry organic wastewater according to claim 1, is characterized in that: described disc is controlled by the drive-motor (1) and transmission mechanism (2) being arranged on oxidation trough (8) front.
3. the treatment unit of starch processing industry organic wastewater according to claim 1, is characterized in that: described disc is honeycomb reticulated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810205.1U CN204342618U (en) | 2014-12-20 | 2014-12-20 | A kind for the treatment of unit of starch processing industry organic wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420810205.1U CN204342618U (en) | 2014-12-20 | 2014-12-20 | A kind for the treatment of unit of starch processing industry organic wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204342618U true CN204342618U (en) | 2015-05-20 |
Family
ID=53225903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420810205.1U Active CN204342618U (en) | 2014-12-20 | 2014-12-20 | A kind for the treatment of unit of starch processing industry organic wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204342618U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191058A (en) * | 2018-01-22 | 2018-06-22 | 沈阳建筑大学 | Bed is hanged in a kind of vane type water purification |
-
2014
- 2014-12-20 CN CN201420810205.1U patent/CN204342618U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191058A (en) * | 2018-01-22 | 2018-06-22 | 沈阳建筑大学 | Bed is hanged in a kind of vane type water purification |
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