CN107117781B - A kind of Leather waste water treatment system - Google Patents
A kind of Leather waste water treatment system Download PDFInfo
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- CN107117781B CN107117781B CN201710522795.6A CN201710522795A CN107117781B CN 107117781 B CN107117781 B CN 107117781B CN 201710522795 A CN201710522795 A CN 201710522795A CN 107117781 B CN107117781 B CN 107117781B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
- C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides a kind of Leather waste water treatment systems, belong to Industrial Waste Water Treatments field.This Leather waste water treatment system, including collecting-tank, anaerobic pond, first aerobic tank, first sedimentation basin, second aerobic tank and the second sedimentation basin, collecting-tank is connected with water channel, grid is provided on water channel, it is connected between collecting-tank and anaerobic pond by connecting tube one, it is connected between anaerobic pond and the first aerobic tank by connecting tube two, it is connected between first aerobic tank and the first sedimentation basin by connecting tube three, it is connected between first sedimentation basin and the second aerobic tank by connecting tube four, it is connected between second aerobic tank and the second sedimentation basin by connecting tube five, outlet pipe is connected on second sedimentation basin.The present invention has the advantages that handle leather waste water with good.
Description
Technical field
The invention belongs to Industrial Waste Water Treatments fields, are related to a kind of Leather waste water treatment system.
Background technique
Leather industry is the pillar industry of China's light industry, now has become the industry with international competitiveness, China
Have become the center of world's leather industry, enjoys three big good reputations in the world: first is that stock number is big；Second is that yield is big；Third is that
Foreign trade amount is big.Leather industry is the preponderant dinstinctive industry in Zhejiang Province, even more the pillar industry of Haining City and have competition
The specialty industries of advantage, leather have visually been described as " the golden business card " in Haining.But it should also be recognized that leather industry belongs to tradition
Industry can generate certain pollutant in process of production.Wherein, the dye object generated in tanning production is very big in leather industry
Pollution, and one of the main problem of puzzlement leather industry development.
It is mainly organic nitrogen, ammonia nitrogen, nitrite nitrogen and four kinds of nitrate nitrogen in leather-making waste water, in the process of tanning production
In each workshop section can generate certain waste water, but each workshop section's Determination of Total Nitrogen in Waste Water concentration distribution is uneven, and differs greatly, tool
There is certain fluctuating range.Mainly there are two aspects in the source of total nitrogen in leather-making waste water: first is that leather making process is various animals
Former skin mechanically and chemically (contains biochemical) treatment process, and animal original skin itself contains a large amount of collagen, can be in process hides water
Itself discharges a large amount of organic nitrogen in factory's each process；Second is that chemicals containing ammonia nitrogen is also added in leather making process, it is predominantly de-
The ammonium sulfate being added in ash and softening workshop section.But for many years, the various waste water in leather production are handled, finally all
Good effect is not obtained, the development of leather industry is also inhibited.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of Leather waste water treatment system is proposed,
This Leather waste water treatment system has the characteristics that handle leather waste water with good.
Object of the invention can be realized by the following technical scheme:
A kind of Leather waste water treatment system, which is characterized in that including collecting-tank, anaerobic pond, the first aerobic tank, the first precipitating
Pond, the second aerobic tank and the second sedimentation basin, the collecting-tank are connected with water channel, and grid, institute are provided on the water channel
Be connected between the collecting-tank stated and anaerobic pond by connecting tube one, be provided with pump one in connecting tube one, the anaerobic pond with
It is connected between first aerobic tank by connecting tube two, pump two, first aerobic tank and first is provided in connecting tube two
It is connected between sedimentation basin by connecting tube three, is provided with pump three in connecting tube three, first sedimentation basin and second aerobic
Be connected between pond by connecting tube four, be provided with pump four in connecting tube three, second aerobic tank and the second sedimentation basin it
Between be connected by connecting tube five, pump five is provided in connecting tube five, is connected with outlet pipe on second sedimentation basin, it is described
Outlet pipe on be provided with pump six；The first sedimentation basin lower end is connected with return pipe one, the return pipe two it is another
End is connected with anaerobic pond, pump seven is provided on the return pipe one, the second sedimentation basin lower end is connected with return pipe
Two, the other end of the return pipe two is connected with the second aerobic tank, and pump eight is provided on the return pipe two, described
Second sedimentation basin lower end is connected with return pipe three, and the other end of the return pipe three is connected with the first aerobic tank, described
Be provided with pump nine on return pipe three, the first aerobic tank upper end is connected with return pipe four, the return pipe four it is another
End is connected with anaerobic pond, is provided with pump ten on the return pipe four.
Sewage first passes through the progress impurity elimination of the grid on water channel and enters in collecting-tank, and the sewage in collecting-tank enters anaerobic pond
Preposition denitrification denitrogenation is carried out, the first aerobic tank is entered back into and synchronizes nitrification and denitrification reaction, and anaerobic gas pond generates
Basicity can supplement the basicity in the first aerobic tank, the sewage backflow in the first aerobic tank to anaerobic pond carry out denitrogenation, sewage
The first aerobic tank is entered by anaerobic pond again；Sewage enters the first sedimentation basin by the first aerobic tank and carries out, the dirt of the first sedimentation basin
Mud can flow back into anaerobic pond by return pipe one, after first precipitation process, into the second aerobic tank in carry out, to reduce in sewage
CODcr, enter back into the second sedimentation basin carry out again precipitation process, sewage treatment discharged after reaching standard, the second sedimentation basin
Sludge can flow back into respectively the second aerobic tank, in the first aerobic tank by return pipe two, return pipe three.
In above-mentioned Leather waste water treatment system, bracket one, the bracket one are fixed in first aerobic tank
Upper be horizontally disposed with has installing pipe one and installing pipe two, and installing pipe one and installing pipe two are parallel to each other, and connect vertically in installing pipe one
Several tracheaes one are connected with, the other end of tracheae one is fixed with installing pipe three, is communicated with several tracheaes two, gas in installing pipe two vertically
The other end of pipe two is fixed with installing pipe four, and the installing pipe three and installing pipe four are located at installing pipe one and installing pipe two
Surface, be fixed with air compressor machine one on the first aerobic tank, air compressor machine one is connected with air inlet pipe one, and the other end of air inlet pipe one is equal
It is connected with installing pipe three and installing pipe four, several ventholes one is offered on tracheae one, offer several outlets on tracheae two
Hole two.Air compressor machine one pumps gas to tracheae one and tracheae two by air inlet pipe one, so as to accelerate the reaction of the first aerobic tank.
In above-mentioned Leather waste water treatment system, sliding slot one is offered on the tracheae one vertically, on tracheae two
Sliding slot two is offered vertically, and is correspondingly arranged on biologic packing material plate one between sliding slot one and sliding slot two.In biologic packing material plate one
Biologic packing material can promote to react with the sludge etc. in the first aerobic tank.
In above-mentioned Leather waste water treatment system, ring pipe is set, on the ring pipe in first aerobic tank
Several sprinkler pipes are communicated with, the other end of the sprinkler pipe is provided with several sprinkler tips, and the ring pipe is connected with
The other end of circulation pipe, the circulation pipe is located in the first aerobic tank, and pump 11 is provided on circulation pipe.Pass through ring pipe
And sprinkler tip, the sewage in the second aerobic tank can be made to be sprayed, increase the oxygen-containing tolerance in water.
In above-mentioned Leather waste water treatment system, bracket two, the bracket two are fixed in second aerobic tank
Upper be horizontally disposed with has installing pipe five and installing pipe six, and installing pipe five and installing pipe six are parallel to each other, and connect vertically in installing pipe five
Several tracheaes three are connected with, the other end of tracheae three is fixed with installing pipe seven, is communicated with several tracheaes four, gas in installing pipe six vertically
The other end of Guan Si is fixed with installing pipe eight, and the installing pipe seven and installing pipe eight are located at installing pipe five and installing pipe six
Surface, be fixed with air compressor machine two on the second aerobic tank, air compressor machine two is connected with air inlet pipe two, and the other end of air inlet pipe two is equal
It is connected with installing pipe seven and installing pipe eight, several ventholes three is offered on tracheae three, offer several outlets on tracheae four
Kong Si.Air compressor machine two pumps gas to tracheae three and tracheae four by air inlet pipe two, so as to accelerate the reaction of the second aerobic tank.
In above-mentioned Leather waste water treatment system, sliding slot three is offered on the tracheae three vertically, on tracheae four
Sliding slot four is offered vertically, and is correspondingly arranged on biologic packing material plate two between sliding slot three and sliding slot four.In biologic packing material plate two
Biologic packing material can promote to react with the sludge etc. in the second aerobic tank.
In above-mentioned Leather waste water treatment system, the grid is cross grid or lateral grid or longitudinal grid, and
The grid gap of grid is 3-6mm.
In above-mentioned Leather waste water treatment system, the second sedimentation basin upper end is connected with return pipe five, and described returns
The other end of flow tube five is connected with anaerobic pond, and pump 12 is provided on the return pipe five.So as to which second is precipitated
Digestive juice in pond flows back into anaerobic pond.
Compared with prior art, it is preposition to have the advantage that sewage enters anaerobic pond progress for this Leather waste water treatment system
Denitrification, enter back into the first aerobic tank synchronize nitrification and denitrification reaction, and anaerobic gas pond generate basicity can mend
Fill the basicity in the first aerobic tank, the sewage backflow in the first aerobic tank to anaerobic pond carry out denitrogenation, sewage again by anaerobic pond into
Enter the first aerobic tank, the first sedimentation basin entered by the first aerobic tank and is carried out just after precipitation process, into the second aerobic tank in into
Row reduce CODcr in sewage, enter back into the second sedimentation basin carry out precipitation process, sewage treatment reach standard heel row again
It puts.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is backsight structural representation of the invention；
Fig. 3 is the first aerobic tank structural schematic diagram in the present invention；
Fig. 4 is the second aerobic pool structure schematic diagram in the present invention.
In figure, 1, anaerobic pond；2, the first aerobic tank；3, the first sedimentation basin；4, the second aerobic tank；5, the second sedimentation basin；6,
Connecting tube one；7, connecting tube two；8, connecting tube three；9, connecting tube four；10, connecting tube five；11, outlet pipe；12, return pipe one；
13, return pipe two；14, return pipe three；15, return pipe four；16, bracket one；17, installing pipe one；18, installing pipe three；19, tracheae
One；20, tracheae two；21, air compressor machine one；22, biologic packing material plate one；23, ring pipe；24, circulation pipe；25, bracket two；26, pacify
Tubulature five；27, installing pipe seven；28, tracheae three；29, tracheae four；30, biologic packing material plate two；31, return pipe five；32, sprinkler pipe；
33, air compressor machine two；34, air inlet pipe one；35, air inlet pipe two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, a kind of Leather waste water treatment system, which is characterized in that including collecting-tank, anaerobic pond 1,
One aerobic tank 2, the first sedimentation basin 3, the second aerobic tank 4 and the second sedimentation basin 5, collecting-tank is connected with water channel, is arranged on water channel
There is grid, grid is cross grid or lateral grid or longitudinal grid, and the grid gap of grid is 3-6mm.Collecting-tank and anaerobic pond 1
Between be connected by connecting tube 1, pump one is provided in connecting tube 1, passes through company between anaerobic pond 1 and the first aerobic tank 2
Adapter tube 27 is connected, and pump two is provided in connecting tube 27, passes through connecting tube 38 between the first aerobic tank 2 and the first sedimentation basin 3
It is connected, pump three is provided in connecting tube 38, is connected between the first sedimentation basin 3 and the second aerobic tank 4 by connecting tube 49,
It is provided with pump four in connecting tube 38, is connected between the second aerobic tank 4 and the second sedimentation basin 5 by connecting tube 5 10, connecting tube
It is provided with pump five on 5 10, outlet pipe 11 is connected on the second sedimentation basin 5, pump six is provided on outlet pipe 11.
First sedimentation basin, 3 lower end is connected with return pipe 1, and the other end of return pipe 2 13 is connected with anaerobic pond 1, returns
Pump seven is provided in flow tube 1,5 lower end of the second sedimentation basin is connected with return pipe 2 13, the other end of return pipe 2 13 and second
Aerobic tank 4 is connected, and pump eight is provided on return pipe 2 13, and 5 lower end of the second sedimentation basin is connected with return pipe 3 14, return pipe three
14 other end is connected with the first aerobic tank 2, and pump nine is provided on return pipe 3 14, and 2 upper end of the first aerobic tank is connected with back
The other end of flow tube 4 15, return pipe 4 15 is connected with anaerobic pond 1, and pump ten is provided on return pipe 4 15.Second sedimentation basin 5
Upper end is connected with return pipe 5 31, and the other end of return pipe 5 31 is connected with anaerobic pond 1, and pump ten is provided on return pipe 5 31
Two, so as to which the digestive juice in the second sedimentation basin 5 is flowed back into anaerobic pond 1.
As shown in figure 3, being fixed with bracket 1 in the first aerobic tank 2, being horizontally disposed on bracket 1 has installing pipe 1
With installing pipe two, installing pipe 1 and installing pipe two are parallel to each other, and are communicated with several tracheaes 1 in installing pipe 1 vertically,
The other end of tracheae 1 is fixed with installing pipe 3 18, is communicated with several tracheaes 2 20 in installing pipe two vertically, tracheae 2 20
The other end is fixed with installing pipe four, installing pipe 3 18 and installing pipe four be located at installing pipe 1 and installing pipe two just on
Side, is fixed with air compressor machine 1 on the first aerobic tank 2, and air compressor machine 1 is connected with air inlet pipe 1, air inlet pipe 1 it is another
End is connected with installing pipe 3 18 and installing pipe four, and several ventholes one are offered on tracheae 1, are opened up on tracheae 2 20
There are several ventholes two.Air compressor machine 1 pumps gas to tracheae 1 and tracheae 2 20 by air inlet pipe 1, so as to accelerate
The reaction of first aerobic tank 2.Sliding slot one is offered on tracheae 1 vertically, offers sliding slot two vertically on tracheae 2 20,
And biologic packing material plate 1 is correspondingly arranged between sliding slot one and sliding slot two.Biologic packing material in biologic packing material plate 1 can be with
Promotion reacts with the sludge etc. in the first aerobic tank 2.Ring pipe 23 is set in first aerobic tank 2, is connected on ring pipe 23
There are several sprinkler pipes 32, the other end of sprinkler pipe 32 is provided with several sprinkler tips, and ring pipe 23 is connected with circulation pipe 24, follows
The other end of endless tube 24 is located in the first aerobic tank 2, and pump 11 is provided on circulation pipe 24.Pass through ring pipe 23 and watering spray
Head can be such that the sewage in the second aerobic tank 4 is sprayed, and increase the oxygen-containing tolerance in water.
As shown in figure 4, being fixed with bracket 2 25 in the second aerobic tank 4, being horizontally disposed on bracket 2 25 has installing pipe 5 26
With installing pipe six, installing pipe 5 26 and installing pipe six are parallel to each other, and are communicated with several tracheaes 3 28 in installing pipe 5 26 vertically,
The other end of tracheae 3 28 is fixed with installing pipe 7 27, is communicated with several tracheaes 4 29 in installing pipe six vertically, tracheae 4 29
The other end is fixed with installing pipe eight, installing pipe 7 27 and installing pipe eight be located at installing pipe 5 26 and installing pipe six just on
Side, is fixed with air compressor machine 2 33 on the second aerobic tank 4, and air compressor machine 2 33 is connected with air inlet pipe 2 35, air inlet pipe 2 35 it is another
End is connected with installing pipe 7 27 and installing pipe eight, and several ventholes three are offered on tracheae 3 28, are opened up on tracheae 4 29
There are several ventholes four.Air compressor machine 2 33 pumps gas to tracheae 3 28 and tracheae 4 29 by air inlet pipe 2 35, so as to accelerate
The reaction of second aerobic tank 4.Sliding slot three is offered on tracheae 3 28 vertically, offers sliding slot four vertically on tracheae 4 29,
And biologic packing material plate 2 30 is correspondingly arranged between sliding slot three and sliding slot four.Biologic packing material in biologic packing material plate 2 30 can be with
Promotion reacts with the sludge etc. in the second aerobic tank 4.
Sewage first passes through the progress impurity elimination of the grid on water channel and enters in collecting-tank, and the sewage in collecting-tank enters anaerobic pond
1 carries out preposition denitrification denitrogenation, enters back into the first aerobic tank 2 and synchronizes nitrification and denitrification reaction, and is produced from anaerobic gas pond
Raw basicity can supplement the basicity in the first aerobic tank 2, and the sewage backflow in the first aerobic tank 2 to anaerobic pond 1 carries out denitrogenation,
Sewage enters the first aerobic tank 2 by anaerobic pond 1 again；Sewage enters the first sedimentation basin 3 by the first aerobic tank 2 and carries out, and first is heavy
The sludge in shallow lake pond 3 can flow back into anaerobic pond 1 by return pipe 1, after first precipitation process, into the second aerobic tank 4 in carry out,
CODcr in sewage is reduced, enters back into the second sedimentation basin 5 and carries out that again precipitation process, sewage treatment reach standard heel row
It puts, it is aerobic that the sludge of the second sedimentation basin 5 can flow back into respectively the second aerobic tank 4, first by return pipe 2 13, return pipe 3 14
In pond 2.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, anaerobic pond is used more herein；2, the first aerobic tank；3, the first sedimentation basin；4, the second aerobic tank；
5, the second sedimentation basin；6, connecting tube one；7, connecting tube two；8, connecting tube three；9, connecting tube four；10, connecting tube five；11, it is discharged
Pipe；12, return pipe one；13, return pipe two；14, return pipe three；15, return pipe four；16, bracket one；17, installing pipe one；18,
Installing pipe three；19, tracheae one；20, tracheae two；21, air compressor machine one；22, biologic packing material plate one；23, ring pipe；24, circulation pipe；
25, bracket two；26, installing pipe five；27, installing pipe seven；28, tracheae three；29, tracheae four；30, biologic packing material plate two；31, it flows back
Pipe five；32, sprinkler pipe；33, air compressor machine two；34, air inlet pipe one；35, the second-class term of air inlet pipe, but be not precluded and use other arts
A possibility that language.The use of these items is only for be more convenient to describe and explain essence of the invention；It is construed as
Any additional limitation is disagreed with spirit of that invention.
Claims (4)
1. a kind of Leather waste water treatment system, which is characterized in that including collecting-tank, anaerobic pond, the first aerobic tank, the first precipitating
Pond, the second aerobic tank and the second sedimentation basin, the collecting-tank are connected with water channel, and grid, institute are provided on the water channel
Be connected between the collecting-tank stated and anaerobic pond by connecting tube one, be provided with pump one in connecting tube one, the anaerobic pond with
It is connected between first aerobic tank by connecting tube two, pump two, first aerobic tank and first is provided in connecting tube two
It is connected between sedimentation basin by connecting tube three, is provided with pump three in connecting tube three, first sedimentation basin and second aerobic
Be connected between pond by connecting tube four, be provided with pump four in connecting tube three, second aerobic tank and the second sedimentation basin it
Between be connected by connecting tube five, pump five is provided in connecting tube five, is connected with outlet pipe on second sedimentation basin, it is described
Outlet pipe on be provided with pump six；The first sedimentation basin lower end is connected with return pipe one, the return pipe one it is another
End is connected with anaerobic pond, pump seven is provided on the return pipe one, the second sedimentation basin lower end is connected with return pipe
Two, the other end of the return pipe two is connected with the second aerobic tank, and pump eight is provided on the return pipe two, described
Second sedimentation basin lower end is connected with return pipe three, and the other end of the return pipe three is connected with the first aerobic tank, described
Be provided with pump nine on return pipe three, the first aerobic tank upper end is connected with return pipe four, the return pipe four it is another
End is connected with anaerobic pond, and pump ten is provided on the return pipe four, bracket one, institute are fixed in first aerobic tank
Being horizontally disposed on the bracket one stated has installing pipe one and installing pipe two, and installing pipe one and installing pipe two are parallel to each other, and installing pipe
Several tracheaes one are communicated on one vertically, the other end of tracheae one is fixed with installing pipe three, if being communicated with vertically in installing pipe two
Dry gas pipe two, the other end of tracheae two are fixed with installing pipe four, and the installing pipe three and installing pipe four are located at installing pipe
One and installing pipe two surface, be fixed with air compressor machine one on the first aerobic tank, air compressor machine one is connected with air inlet pipe one, air inlet pipe
One other end is connected with installing pipe three and installing pipe four, and several ventholes one are offered on tracheae one, are opened on tracheae two
Equipped with several venthole two, sliding slot one is offered on the tracheae one vertically, offers sliding slot two vertically on tracheae two,
And biologic packing material plate one is correspondingly arranged between sliding slot one and sliding slot two, ring pipe, institute are set in first aerobic tank
Several sprinkler pipes are communicated on the ring pipe stated, the other end of the sprinkler pipe is provided with several sprinkler tips, described
Ring pipe is connected with circulation pipe, and the other end of the circulation pipe is located in the first aerobic tank, and pump ten is provided on circulation pipe
One, bracket two is fixed in second aerobic tank, being horizontally disposed on the bracket two has installing pipe five and installing pipe six,
Installing pipe five and installing pipe six are parallel to each other, and are communicated with several tracheaes three in installing pipe five vertically, and the other end of tracheae three is solid
Surely there is installing pipe seven, be communicated with several tracheaes four in installing pipe six vertically, the other end of tracheae four is fixed with installing pipe eight, described
Installing pipe seven and installing pipe eight be located at the surface of installing pipe five and installing pipe six, be fixed with pneumatics on the second aerobic tank
Machine two, air compressor machine two are connected with air inlet pipe two, and the other end of air inlet pipe two is connected with installing pipe seven and installing pipe eight, tracheae
Several ventholes three are offered on three, and several ventholes four are offered on tracheae four.
2. Leather waste water treatment system according to claim 1, which is characterized in that opened up vertically on the tracheae three
There is sliding slot three, offers sliding slot four on tracheae four vertically, and be correspondingly arranged on biologic packing material between sliding slot three and sliding slot four
Plate two.
3. Leather waste water treatment system according to claim 1, which is characterized in that the grid is cross grid or cross
To grid or longitudinal grid, and the grid gap of grid is 3-6mm.
4. Leather waste water treatment system according to claim 1, which is characterized in that the second sedimentation basin upper end connection
There is return pipe five, the other end of the return pipe five is connected with anaerobic pond, and pump 12 is provided on the return pipe five.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522795.6A CN107117781B (en) | 2017-06-30 | 2017-06-30 | A kind of Leather waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522795.6A CN107117781B (en) | 2017-06-30 | 2017-06-30 | A kind of Leather waste water treatment system |
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| Publication Number | Publication Date |
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| CN107117781A CN107117781A (en) | 2017-09-01 |
| CN107117781B true CN107117781B (en) | 2019-09-13 |
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|---|---|---|---|---|
| CN101591124A (en) * | 2009-06-18 | 2009-12-02 | 江南大学 | A kind of garbage filter liquid processing method |
| CN101941782A (en) * | 2010-09-27 | 2011-01-12 | 福建微水环保技术有限公司 | Method for treating leather wastewater |
| CN203794739U (en) * | 2014-02-28 | 2014-08-27 | 深圳市美兆能源环境科技有限公司 | Segmented sewage biological treatment device |
| CN203904167U (en) * | 2014-06-19 | 2014-10-29 | 南京德磊科技有限公司 | Biochemical sludge treatment system |
| CN204151129U (en) * | 2014-08-06 | 2015-02-11 | 山东蓝星东大化工有限责任公司 | Aerobic biological process aeration tank pipeline |
| CN205133336U (en) * | 2015-08-05 | 2016-04-06 | 北京泰昌科睿环保科技有限公司 | Town sewage treatment system |
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