CN107162268A - A kind of processing unit of leather-making waste water - Google Patents
A kind of processing unit of leather-making waste water Download PDFInfo
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- CN107162268A CN107162268A CN201710504669.8A CN201710504669A CN107162268A CN 107162268 A CN107162268 A CN 107162268A CN 201710504669 A CN201710504669 A CN 201710504669A CN 107162268 A CN107162268 A CN 107162268A
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- tank
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- leather
- waste water
- processing unit
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000004062 sedimentation Methods 0.000 claims abstract description 63
- 238000005273 aeration Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000001179 sorption measurement Methods 0.000 claims abstract description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 20
- 238000005276 aerator Methods 0.000 claims description 20
- 239000002156 adsorbate Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 11
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000003610 charcoal Substances 0.000 description 5
- 238000006213 oxygenation reaction Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000005446 dissolved organic matter Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- 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
-
- 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
- C02F7/00—Aeration of stretches of water
Landscapes
- 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)
- Water Treatment By Sorption (AREA)
Abstract
The invention provides a kind of processing unit of leather-making waste water, belong to field of mechanical technique.It solves the technical problems such as the activated carbon waste of the processing unit of existing leather-making waste water.A kind of processing unit of leather-making waste water, including base and it is connected in turn and is fixed on the preliminary sedimentation tank on base, aeration tank, sedimentation basin and adsorption tanks, it is characterized in that, the top of described preliminary sedimentation tank is provided with a charging aperture, support one is fixed with charging aperture, filter tunnel is installed on support, thick mechanical grid and thin mechanical grid is disposed with from top to bottom in the neck of described filter tunnel, the bottom side of preliminary sedimentation tank offers delivery port one；Described aeration tank is located at the lower section of preliminary sedimentation tank, and the top side of aeration tank is provided with water inlet one, and is provided with delivery port two in bottom opposite side.Present invention tool technique is simple, the reliable and stable and effective advantage for reducing the waste of activated carbon in processing leather-making waste water of effect.
Description
Technical field
The invention belongs to field of mechanical technique, particularly a kind of processing unit of leather-making waste water.
Background technology
Tanning production is generally divided into preparation, tanning, arranges three processes, and in preparation and tanning stage, i.e., waste water be mainly
Discharged during wet practice.Preparatory process has immersion, loses hair or feathers, cuts open layer and washing etc., and wastewater flow rate accounts for leather making process discharge
Total wastewater flow rate 65% or so.Water quality characteristicses are that COD (COD) and biochemical oxygen demand (BOD) (BOD) are high, and BOD accounts for production process
The 50% of discharge total amount, muddy, stink is big, and suspension is more, is largely vulcanized using also containing in the waste water of vulcanized sodium dehairing process
Thing.Tanning processes mainly have deliming, tanning (chrome tanning or vegetable tanning), rinsing and dyeing etc., and wastewater flow rate accounts for leather making process discharge
Total wastewater flow rate 35%.Chrome Tanning Wastewater is in dusty blue, in addition to containing trivalent chromium, also containing a small amount of protein and inorganic acid.
At present, the processing unit of existing leather-making waste water, such as Chinese patent discloses a kind of tannery wastewater treatment device, Shen
Please number：201520345048.6；Authorization Notice No.：CN204675938U, a kind of tannery wastewater treatment device, including be sequentially connected
Absorbent charcoal adsorption tank, blending tank, booster water pump and reactor together, the absorbent charcoal adsorption tank and blending tank are all set with
Microwave generator, the reactor jacket is equipped with ultraviolet generater, and the absorbent charcoal adsorption tank is provided with water inlet, the reactor
Provided with delivery port, the reactor is provided with vibration isolation type fixed structure, and the vibration isolation type fixed structure includes the first sucker, described the
The second sucker is provided with one sucker, adsorption tank is surrounded between first sucker and the second sucker.
Because absorbent charcoal adsorption tank is a large amount of harmful as not only containing in first process tank, but leather-making waste water in the patent
Inorganic matter, also containing the organic matter for being largely difficult to degrade, such as surfactant, fuel and a large amount of protein are dropped by microwave
The mud produced after solution part can make activated carbon cause a large amount of wastes in adsorption process, and the material for being partly difficult to degrade is easy
Result in blockage, it is difficult to clear up.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of processing dress of leather-making waste water
Put, the invention technical problem to be solved is：How the waste of in processing leather-making waste water activated carbon is reduced.
The purpose of the present invention can be realized by following technical proposal：A kind of processing unit of leather-making waste water, including base,
Preliminary sedimentation tank, aeration tank, sedimentation basin and adsorption tanks, described preliminary sedimentation tank, aeration tank, sedimentation basin and adsorption tanks are each attached to base
On, it is characterised in that the top of described preliminary sedimentation tank is provided with a charging aperture, and preliminary sedimentation tank top side wall is fixed with support one, support
One is provided with the top of filter tunnel, the filter tunnel on the top of charging aperture, support provided with import, and is provided with bottom
Outlet, the import bore is more than in outlet bore, the neck of described filter tunnel is disposed with coarse filtration from top to bottom
Net and thin screen pack, the bottom side of preliminary sedimentation tank offer delivery port one；Described aeration tank is located at the lower section of preliminary sedimentation tank, aeration
The top side in pond is provided with water inlet one, and is provided with delivery port two in bottom opposite side, and the delivery port one of preliminary sedimentation tank passes through pipeline
One is connected with the water inlet one of aeration tank, and the jet aerator for being used for being oxygenated and stir to sewage is provided with aeration tank；It is described
Sedimentation basin be located at aeration tank side, the top side of sedimentation basin offers water inlet two, and is opened in the opposite side of sedimentation basin
Provided with delivery port three, the delivery port two-way piping two of aeration tank is connected with the water inlet two of sedimentation basin, on described pipeline two
It is provided with water pump, the sedimentation basin and is provided with a suction dredge；Adsorbate is provided with described adsorption tanks, adsorbate is activity
Charcoal, described adsorption tanks bottom offers water inlet three, and offers on the top of adsorption tanks delivery port four, the water outlet of sedimentation basin
Mouth three is connected by tilting delivery chute with the water inlet three of adsorption tanks；Described inclination delivery chute one end close to delivery port three is set
Have and be provided with a constant flow pump at aerator, water inlet three.
The operation principle of the present invention is such：Tanning sewage is poured into from filter tunnel, by the thick of filler neck part
Screen pack and thin screen pack, the large particulate matters such as the fur given in leather-making waste water are got rid of, tanning sewage enters preliminary sedimentation tank
In, by delivery port one, aeration tank is entered, jet aerator is opened, to oxygenation of waste water, and molysite is put into, by sewage
Sulfide is reacted, and forms flocculent deposit, while carrying out stripping to ammonia nitrogen, and prevents suspension from precipitating, by preset time,
Water pump is opened, waste liquid enters sedimentation basin from pipeline two, and waste water stands a period of time, open suction dredge and absorb precipitation, Ran Houzai
Sodium hydroxide is put into sedimentation basin as precipitating reagent, chromium is precipitated out, waste water stands a period of time, suction dredge is opened, will
The precipitation for being deposited to bottom is got rid of, and opens delivery port three, and waste water is entered in inclination delivery chute, opens aerator, will be useless
Various soluble organic pollutions in water are degraded and remove ammonia nitrogen, open constant flow pump, waste water is sucked into adsorption tanks, passed through
Adsorbate removes remaining harmful substance in waste water, and last waste water is excluded from delivery port four.Jet aerator, suction dredge, water pump
Equipment with constant flow pump for that can buy on the market.By the working process of early stage, and by precipitation, by suction dredge by big portion
Fractional precipitation impurity is removed, when sewage is entered in adsorption tanks, greatly reduces the adsorbance of activated carbon, increases the absorption of activated carbon
Amount, so as to increase the use time and usage amount of activated carbon.
Magnetic valve one is provided with described delivery port one, described delivery port two is provided with magnetic valve two.Magnetic valve one and electricity
Magnet valve two prevents sewage is not processed also from finishing, and overflows in other processing ponds.
The top side wall of described aeration tank is fixed with the internal acid tank tank that acid solution is housed, the acid tank by support two
Pot bottom is provided with inside a mozzle, one end UNICOM acid tank tank of mozzle, and the other end is located above aeration tank.Filling
Can be produced during oxygen substantial amounts of alkalescence can tolerant matter, it is necessary to be passed through acid integrated, control sewage pH value.
Magnetic valve three is provided with described mozzle.The setting of magnetic valve three can prevent acid from oozing.
The bottom of described aeration tank is provided with pH value monitor.The acid-base value of sewage in gas aeration tank can be monitored.
Magnetic valve four is provided with described delivery port three.Magnetic valve four can prevent sewage in the case of complete for processing
Enter inclination delivery chute.So as to avoid sewage disposal unclean.
Described aerator includes the dry aeration turn plate of promise, rotary shaft, motor and fixed seat, and the fixed seat is fixed on bottom
On seat, and fixed seat, close to delivery chute is tilted, motor is fixed in fixed seat, and the output shaft of motor is horizontally disposed with, motor it is defeated
Shaft is connected by shaft coupling with rotary shaft, and aeration turn plate is set on the rotating shaft, and aeration turn plate is located in inclination delivery chute.
Aerator can dissolved organic matter effectively in degradation water, and remove ammonia nitrogen, the convenient suction in adsorption tanks to harmful substance
It is attached.
Described preliminary sedimentation tank side is provided with a controller, magnetic valve one, magnetic valve two, magnetic valve three, magnetic valve four, PH
Value monitor and motor are connected by control circuit with controller.It can be entered by controller with full automatic be monitored with sewage
Put.Controller is PLC.
Compared with prior art, it is of the invention that there is advantages below：
1st, sewage treatment process is using preliminary sedimentation pre-exposure, oxidation and physical absorption as handling process main line, and effect is reliably steady
Fixed, management is simple, and sludge and various harmful substances, reach final sewage drainage standard in the water that can go out.Equipment compares simultaneously
Simply, safeguard also more convenient.
2nd, some toxic gases can be aoxidized to oxygenation of waste water, facilitate sedimentation basin to be sunk by the setting of aeration tank
Form sediment, while stripping can be carried out to ammonia nitrogen, improve the removal effect of organic matter and ammonia nitrogen.
The 3rd, adsorption tanks are placed into the final step of processing sewage, the consumption of activated carbon can be greatlyd save, saving is reached
The purpose of cost.
4th, the setting of aerator can degrade various forms soluble Organic Pollution and remove ammonia nitrogen, equipment letter
It is single practical.
Brief description of the drawings：
Fig. 1 is a kind of schematic diagram of the processing unit of leather-making waste water.
Fig. 2 is the schematic diagram of preliminary sedimentation tank.
Fig. 3 is the schematic diagram of aeration tank.
Fig. 4 is the schematic diagram of aerator.
In figure, 1, base；2nd, preliminary sedimentation tank；3rd, aeration tank；3a, sedimentation basin；4th, adsorption tanks；5th, charging aperture；5a, support one；
6th, filter tunnel；6a, import；6b, outlet；7th, delivery port one；8th, water inlet one；8a, delivery port two；8b, pipeline one；9th, jet
Aerator；10th, water inlet two；10a, delivery port three；10b, pipeline two；10c, water pump；11st, suction dredge；11a, adsorbate；12、
Water inlet three；12a, delivery port four；13rd, delivery chute is tilted；14th, constant flow pump；15th, coarse filtration net；15a, thin screen pack；16th, it is electric
Magnet valve one；17th, magnetic valve two；17a, support two；18th, acid tank tank；18a, mozzle；18b, magnetic valve three；19th, pH value is monitored
Device；20th, magnetic valve four；21st, aeration turn plate；22nd, rotary shaft；23rd, motor；24th, fixed seat；25th, shaft coupling；26th, controller.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of processing unit of leather-making waste water, including base 1, preliminary sedimentation tank 2, aeration
Pond 3, sedimentation basin 3a and adsorption tanks 4, described preliminary sedimentation tank 2, aeration tank 3, sedimentation basin 3a and adsorption tanks 4 are each attached on base 1,
Characterized in that, the top of described preliminary sedimentation tank, which is provided with a charging aperture 5, preliminary sedimentation tank top side wall, is fixed with the 5a of support one, prop up
The 5a of frame one, which is located on the top of charging aperture, the 5a of support one, is provided with filter tunnel 6, and the top of filter tunnel 6 is provided with import 6a,
And in bottom provided with outlet 6b, the import 6a bores are more than outlet 6b bores, the neck of described filter tunnel 6 is interior from upper past
Under be disposed with coarse filtration net 15 and thin screen pack 15a, the bottom side of preliminary sedimentation tank 2 offers delivery port 1；Aeration tank 3
Positioned at the lower section of preliminary sedimentation tank 2, the top side of aeration tank 3 is provided with water inlet 1, and is provided with delivery port two in bottom opposite side
8a, the delivery port 1 of preliminary sedimentation tank 2 is connected by the 8b of pipeline one with the water inlet 1 of aeration tank 3, and the 8b of pipeline one passes through welding
Mode linked together with water inlet 1 and delivery port 1, be bolted in aeration tank 3 for sewage oxygenation and
The jet aerator 9 of stirring；Sedimentation basin 3a is located at the side of aeration tank 3, and sedimentation basin 3a top side offers water inlet two
10, and the 10a of delivery port three is offered in sedimentation basin 3a opposite side, the 8a of delivery port two of aeration tank 3 by the 10b of pipeline two with it is heavy
Shallow lake pond 3a water inlet 2 10 is connected, and water inlet 2 10 and the 8a of delivery port two are connected to by the 10b of pipeline two by way of welding
Together, it is fixed with the 10b of pipeline two in water pump, sedimentation basin 3a and has been bolted a suction dredge 11；It is provided with adsorption tanks 4
Adsorbate, adsorbate is activated carbon, and the bottom of adsorption tanks 4 offers water inlet 3 12, and offers water outlet on the top of adsorption tanks 4
Mouthful four 12a, the sedimentation basin 3a 10a of delivery port three are connected by tilting delivery chute 13 with the water inlet 3 12 of adsorption tanks 4；Close to go out
The 10a of the mouth of a river three one end of inclination delivery chute 13, which is provided with aerator, water inlet 3 12, is provided with a constant flow pump 14.
Jet aerator 9, suction dredge 11, water pump and constant flow pump 14 are the equipment that can be bought on the market.
Magnetic valve 1 is provided with delivery port 1, the 8a of delivery port two is provided with magnetic valve 2 17.Magnetic valve 1 and magnetic valve
2 17 prevent sewage is not processed also from finishing, and overflow in other processing ponds.
The top side wall of aeration tank 3 is fixed with the internal acid tank tank 18 that acid solution is housed by support two, and support two is welded
Top side wall in aeration tank 3, the bottom of acid tank tank 18 is provided with a mozzle 18a, mozzle 18a one end UNICOM acid tank tank 18
Inside, and the other end is above aeration tank 3.Acid in the present invention in acid tank tank is hydrochloric acid.It can be produced during oxygenation
Raw substantial amounts of alkalescence can tolerant matter integrated, it is necessary to be passed through acid, the pH value of control sewage.
The 18b of magnetic valve three is provided with mozzle 18a.The 18b of magnetic valve three setting can prevent acid from oozing.
The bottom of aeration tank 3 is fixed with pH value monitor 19.The acid-base value of sewage in gas aeration tank 3 can be monitored.
Magnetic valve 4 20 is provided with the 10a of delivery port three.Magnetic valve 4 20 can prevent sewage to handle complete situation
Under enter inclination delivery chute 13.So as to avoid sewage disposal unclean.
The aeration that aerator is included in the dry aeration turn plate 21 of promise, rotary shaft 22, motor 23 and fixed seat 24, the present invention turns
The quantity of disk 21 is five, and fixed seat 24 is fixed on base 1, and fixed seat 24 is fixed on close to delivery chute 13, motor 23 is tilted
In fixed seat 24, the output shaft of motor 23 is horizontally disposed with, and the output shaft of motor 23 is connected by shaft coupling 25 with rotary shaft 22, is exposed
Gas rotating disk 21 is arranged in rotary shaft 22, and aeration turn plate 21 is located in inclination delivery chute 13.Aerator can effectively degrade
Dissolved organic matter in water, and remove ammonia nitrogen, the convenient absorption in adsorption tanks 4 to harmful substance.The side of preliminary sedimentation tank 2 is fixed with
One controller 26, magnetic valve 1, magnetic valve 2 17, the 18b of magnetic valve three, pH value monitor 19 and motor 23 pass through control circuit
It is connected with controller 26.It can enter put with sewage with full automatic be monitored by controller 26.Controller is PCL programmable controls
Device processed.
The operation principle of the present invention is such：Tanning sewage is poured into from filter tunnel 6, by the thick of filler neck part
Screen pack 15 and thin screen pack 15a, the large particulate matters such as the fur given in leather-making waste water are got rid of, tanning sewage enters pre-
In heavy pond 2, by delivery port 1, aeration tank 3 is entered, jet aerator 9 is opened, to oxygenation of waste water, and puts into molysite, will
Sulfide in sewage is reacted, and forms flocculent deposit, while carrying out stripping to ammonia nitrogen, and prevents suspension from precipitating, and is passed through
Preset time, opens water pump, and waste liquid enters sedimentation basin 3a from the 10b of pipeline two, and waste water stands a period of time, and opening suction dredge 11 will
Precipitation is absorbed, and sodium hydroxide is then put into again into sedimentation basin 3a as precipitating reagent, waste water stands a period of time, opens suction dredge
11, the precipitation for being deposited to bottom is got rid of, the 10a of delivery port three is opened, waste water is entered in inclination delivery chute 13, and motor 23 is opened
Dynamic, the output shaft of motor 23 drives rotary shaft 22 to rotate, and the rotational band pneumatic aeration rotating disk 21 of rotary shaft 22 is rotated.Pass through aeration turn plate
21 are degraded the various soluble organic pollutions in waste water and ammonia nitrogen of going out, and open constant flow pump 14, and waste water is sucked and inhaled
Attached tank 4, is removed remaining harmful substance in waste water by adsorbate, last waste water is excluded from the 12a of delivery port four.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used 1, base herein；2nd, preliminary sedimentation tank；3rd, aeration tank；3a, sedimentation basin；4th, adsorption tanks；5th, enter
Material mouth；5a, support one；6th, filter tunnel；7th, delivery port one；8th, water inlet one；8a, delivery port two；8b, pipeline one；9th, jet
Aerator；10th, water inlet two；10a, delivery port three；10b, pipeline two；10c, water pump；11st, suction dredge；11a, adsorbate；12、
Water inlet three；12a, delivery port four；13rd, delivery chute is tilted；14th, constant flow pump；15th, coarse filtration net；15a, thin screen pack；16th, it is electric
Magnet valve one；17th, magnetic valve two；17a, support two；18th, acid tank tank；18a, mozzle；18b, magnetic valve three；19th, pH value is monitored
Device；20th, magnetic valve four；21st, aeration turn plate；22nd, rotary shaft；23rd, motor；24th, fixed seat；25th, shaft coupling；26th, controller etc.
Term, but it is not precluded from the possibility using other terms.It is used for the purpose of more easily describing and explaining using these terms
The essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (8)
1. a kind of processing unit of leather-making waste water, including base, preliminary sedimentation tank, aeration tank, sedimentation basin and adsorption tanks, described preliminary sedimentation
Pond, aeration tank, sedimentation basin and adsorption tanks are each attached on base, it is characterised in that the top of described preliminary sedimentation tank is entered provided with one
Material mouth, preliminary sedimentation tank top side wall is fixed with support one, and support one, which is located on the top of charging aperture, support, is provided with filter tunnel,
Import is provided with the top of the filter tunnel, and in bottom provided with outlet, the import bore is more than outlet bore, described filtering
Coarse filtration net and thin screen pack are disposed with the neck of funnel from top to bottom, the bottom side of preliminary sedimentation tank offers delivery port
One；Described aeration tank is located at the lower section of preliminary sedimentation tank, and the top side of aeration tank is provided with water inlet one, and is set in bottom opposite side
There is delivery port two, the delivery port one of preliminary sedimentation tank is connected by pipeline one with the water inlet one of aeration tank, provided with use in aeration tank
In the jet aerator for being oxygenated and stirring to sewage；Described sedimentation basin is located at the side of aeration tank, the top side of sedimentation basin
Offer water inlet two, and delivery port three offered in the opposite side of sedimentation basin, the delivery port two-way piping two of aeration tank with
The water inlet two of sedimentation basin is connected, and is provided with described pipeline two in water pump, the sedimentation basin and is provided with a suction dredge；It is described
Adsorption tanks in be provided with adsorbate, adsorbate is activated carbon, and described adsorption tanks bottom offers water inlet three, and in absorption
The top of tank offers delivery port four, and the delivery port three of sedimentation basin is connected by tilting delivery chute with the water inlet three of adsorption tanks；
Described inclination delivery chute one end close to delivery port three, which is provided with aerator, water inlet three, is provided with a constant flow pump.
2. the processing unit of a kind of leather-making waste water according to claim 1, it is characterised in that set at described delivery port one
There is magnetic valve one, described delivery port two is provided with magnetic valve two.
3. a kind of processing unit of leather-making waste water according to claim 1, it is characterised in that the side wall of described aeration tank
Top is fixed with the internal acid tank tank that acid solution is housed by support two, and the acid tank pot bottom is provided with a mozzle, water conservancy diversion
Inside one end UNICOM acid tank tank of pipe, and the other end is located above aeration tank.
4. the processing unit of a kind of leather-making waste water according to claim 3, it is characterised in that electromagnetism is provided with mozzle
Valve three.
5. a kind of processing unit of leather-making waste water according to claim 1, it is characterised in that the bottom of described aeration tank
It is provided with pH value monitor.
6. the processing unit of a kind of leather-making waste water according to claim 1, it is characterised in that set at described delivery port three
There is magnetic valve four.
7. the processing unit of a kind of leather-making waste water according to claim 1, it is characterised in that described aerator includes
The dry aeration turn plate of promise, rotary shaft, motor and fixed seat, the fixed seat are fixed on base, and fixed seat is conveyed close to inclination
Groove, motor is fixed in fixed seat, and the output shaft of motor is horizontally disposed with, and the output shaft of motor passes through shaft coupling and rotary shaft phase
Even, aeration turn plate is set on the rotating shaft, and aeration turn plate is located in inclination delivery chute.
8. the processing unit of a kind of leather-making waste water according to claim 1 or 4 or 5 or 6, it is characterised in that described is pre-
Heavy pond side is provided with a controller, and magnetic valve one, magnetic valve two, magnetic valve three, magnetic valve four, pH value monitor and motor are logical
Control circuit is crossed with controller to be connected.
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| CN201710504669.8A CN107162268A (en) | 2017-06-28 | 2017-06-28 | A kind of processing unit of leather-making waste water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710504669.8A CN107162268A (en) | 2017-06-28 | 2017-06-28 | A kind of processing unit of leather-making waste water |
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| CN107162268A true CN107162268A (en) | 2017-09-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4008691A1 (en) * | 2020-12-02 | 2022-06-08 | TFL Ledertechnik GmbH | Removal of dissolved cr(iii) compounds from spent tanning liquors |
| WO2024072237A1 (en) * | 2022-09-30 | 2024-04-04 | Instituto Tecnológico De La Producción | Method for treating tannery effluents with neural networks |
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| 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 |
| CN103787548A (en) * | 2014-01-26 | 2014-05-14 | 河南迪诺环保科技股份有限公司 | Biological tannery wastewater treatment system and treatment method thereof |
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| JPH0947758A (en) * | 1995-08-09 | 1997-02-18 | Ngk Insulators Ltd | Adsorber |
| CN101805084A (en) * | 2010-03-29 | 2010-08-18 | 中钢集团马鞍山矿山研究院有限公司 | Process for treating mine wastewater containing sulfur minerals, As, Pb and Cd |
| 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 |
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| EP4008691A1 (en) * | 2020-12-02 | 2022-06-08 | TFL Ledertechnik GmbH | Removal of dissolved cr(iii) compounds from spent tanning liquors |
| WO2024072237A1 (en) * | 2022-09-30 | 2024-04-04 | Instituto Tecnológico De La Producción | Method for treating tannery effluents with neural networks |
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Application publication date: 20170915 |