CN110240268A - A kind of deep-sea anaerobe is degraded the device and method of organic heavy metal waste water with high salt - Google Patents

A kind of deep-sea anaerobe is degraded the device and method of organic heavy metal waste water with high salt Download PDF

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CN110240268A
CN110240268A CN201910409096.XA CN201910409096A CN110240268A CN 110240268 A CN110240268 A CN 110240268A CN 201910409096 A CN201910409096 A CN 201910409096A CN 110240268 A CN110240268 A CN 110240268A
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deep
sea
anaerobe
waste water
heavy metal
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CN110240268B (en
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李浩然
何水春
张功良
杜竹玮
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CHINA OCEAN MINERAL RESOURCES R&D ASSOCIATION
Institute of Process Engineering of CAS
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CHINA OCEAN MINERAL RESOURCES R&D ASSOCIATION
Institute of Process Engineering of CAS
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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
    • C02F3/28—Anaerobic digestion processes
    • 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
    • C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • 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
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/06—Nutrients for stimulating the growth of microorganisms

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Biodiversity & Conservation Biology (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)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

It degrades the device and method of organic heavy metal waste water with high salt the present invention provides a kind of deep-sea anaerobe, shown device includes inlet valve, main body, screw lifting power mechanism, exhaust pipe, vacuum pump, drain valve.It the described method comprises the following steps: the deep-sea anaerobe of salt tolerant is applied in organic heavy metal waste water with high salt, by Cu while degradation of organic substances2+、Hg2+、Pb2+、Cr6+Equal toxic metal ions reduction, reduces wastewater toxicity.The present invention is based on the design of deep-sea anaerobe, has the characteristics that microbial activity is high, is suitable for handling organic heavy metal waste water with high salt.

Description

A kind of deep-sea anaerobe is degraded the device and method of organic heavy metal waste water with high salt
Technical field
The present invention relates to technical field of waste water processing, particularly relate to a kind of deep-sea anaerobe degradation organic huge sum of money with high salt Belong to the device and method of waste water.
Background technique
Deep-Sea Microorganisms are survived under deep-sea extreme environment, have the characteristics that adapt to high pressure, with high salt, oligotrophic environment.It is deep Organic matter is extremely rare in seawater body, and Deep-Sea Microorganisms can decompose these Organic oxidations, generates the life that energy maintains itself Function is managed, while with Mn4+、Fe3+It will be used as electron acceptor, receive the electronics of oxidation reaction generation, realize Mn4+、Fe3+Reduction, It is enriched with.Relative to non-anaerobe, anaerobe has applied to organic heavy metal waste water with high salt of degrading is not required to volume The advantages that carbon source, low energy consumption, detoxification ability is strong, generation sludge quantity is few is added outside, but since anaerobe is not easily formed work Property sludge agglomerate, and growth will receive inhibitions in the high environment of dissolved oxygen content, and degradation or the efficiency detoxified are lower.
Anaerobe has broad application prospects in terms of wastewater treatment, Chinese patent CN208022778U " anaerobism Membrane bioreactor " has been paid close attention in the practical application of anaerobic membrane bioreactor, influences its membrane separating effect and equipment stablizes height The principal element of effect operation is membrane pollution problem, and anaerobe cannot be blown using aeration identical with aerobic membrane bioreactor The mode of sweeping carries out Membrane cleaning and dirt cleaning, therefore devises the mechanism with backwashing water high-efficiency washing membrane module.But flushing water Addition can change the living environment of microorganism, strong interference can be generated to the stability of biomembrane.Chinese patent The reason of CN206970301U " a kind of anaerobic membrane bioreactor " thinks anaerobic organism film fouling membrane be it is various, not only The problem of the problem of being film is more total system is uniformly supplied comprising raw water, the stirring of muddy water in reactor, film it is clear The elements such as wash, thus devise the injection well downhole flow regulator equipped with control system with ensure waste water even into anaerobic reation pool, anaerobism is anti- The biogas recirculation that should be generated utilizes, and plate membrane is cleaned by way of aeration.But biogas is the metabolic waste of anaerobe, meeting Inhibit the growth of anaerobe.
Summary of the invention
The object of the present invention is to provide a kind of deep-sea anaerobe degrade organic heavy metal waste water with high salt device and Method has microbial activity is high, is suitable for handling organic heavy metal with high salt to give up the present invention is based on the design of deep-sea anaerobe The features such as water.
In order to achieve the above objectives, The technical solution adopted by the invention is as follows:
A kind of deep-sea anaerobe is degraded the device of organic heavy metal waste water with high salt, and described device includes inlet valve 1, main Body 2, screw lifting power mechanism 3, exhaust pipe 4, vacuum pump 5, drain valve 6；
2 lower part of main body is equipped with water inlet 21 and water outlet 22, and bottom end is equipped with sewage draining exit 23, and top is equipped with exhaust outlet 24, top End is equipped with circular hole 25, and support base 26 is equipped with right above circular hole, and the position inside main body 2 on the lower is equipped with bracket 27；
The screw lifting power mechanism 3 includes decelerating motor 31, shaft coupling 32, axis 33, helical blade 34, microorganism Carrier 35, upper end Limit Bearing 36, lower end Limit Bearing 37；The upper end of axis 33 is fixed on circular hole 25 by upper end Limit Bearing 36 In, the lower end of axis 33 is fixed on bracket 27 by lower end Limit Bearing 37；Decelerating motor 31 is fixed in support base 26, and Coupled by shaft coupling 32 with the upper end of axis 33；Helical blade 34 is fixed on axis 33, and microbe carrier 35 is fixed on helical-blade On the surface of piece 34；
The exhaust outlet 24 is connected to by exhaust pipe 4 with vacuum pump 5, and water inlet 21 connects inlet valve 1, and water outlet 22 connects Drain valve 6.
A method of the deep-sea anaerobe based on above-mentioned apparatus is degraded organic heavy metal waste water with high salt, the method The following steps are included:
1): drain valve 6 being closed, inlet valve 1 is opened, and injects inoculation deep-sea anaerobe culture solution, liquid from water inlet pipe After position there was not helical blade 34, close inlet valve 1, starting vacuum pump 5 by the pressure control in main body 2-0.085~- The section 0.080Mpa；Then start decelerating motor 31, the micro-disturbance of helical blade 34 promotes deep-sea anaerobe evenly dispersed And it is attached on microbe carrier 35, while subnormal ambient makes the dissolved oxygen in waste water and the gas of microbial metabolism generation It is gradually precipitated, the environment of creation low dissolved oxygen, low metabolic waste promotes the growth of deep-sea anaerobe, promotes biomembrane It is formed；Behind several days, vacuum pump 5 and decelerating motor 31 are closed, drain valve 6 is opened and culture solution is discharged, complete microorganism colonization Process；
2): the drain valve 6 of the device to be closed, inlet valve 1 is opened, organic heavy metal waste water with high salt is injected from water inlet pipe, After liquid level there was not helical blade 34, close inlet valve 1, starting vacuum pump 5 by the pressure control in device -0.085~- The section 0.080Mpa, then starts decelerating motor 31, and the waste water in 34 pushing meanss of helical blade forms faint upper up-flow；3 After~14 days, vacuum pump 5 and decelerating motor 31 are closed, drain valve 6 is opened and waste water is discharged, complete organic heavy metal waste water with high salt Degradation process.
Preferably, step 2) repeats 3~7 times, opens sewage draining exit 23, after the sludge accumulated in main body 2 is excluded, closing row Dirty mouth.
Specifically, a kind of deep-sea anaerobe is degraded the device of organic heavy metal waste water with high salt, including inlet valve, master Body, screw lifting power mechanism, exhaust pipe, vacuum pump, drain valve, inlet valve, screw lifting power mechanism and drain valve installation In main body, vacuum pump is connect by exhaust pipe with main body.
The main body is the pot container put of a vertical direction, lower vessel portion section be it is U-shaped, be equipped with water inlet and Water outlet is convenient for connecting pipe and valve part, and lowermost end is equipped with sewage draining exit, and sewage draining exit is configured with threaded cap, and upper vessel portion is equipped with Exhaust outlet, convenient for connection exhaust pipe, circular hole is reserved on top, and for installing Limit Bearing, support bottom is equipped with right above circular hole Seat bears axial load for fixing decelerating motor, and the position inside container on the lower is equipped with bracket, is used for Limit Bearing axis To fixation.
The screw lifting power mechanism includes decelerating motor, shaft coupling, axis, helical blade, microbe carrier, upper end Limit Bearing, lower end Limit Bearing, decelerating motor revolving speed are 10~30 revs/min, and shaft coupling and axis use stainless steel material, spiral Blade is stainless steel material, and screw pitch is 100~200mm, and outer diameter is the 70~85% of pot container diameter, solid in a welding manner Determine onto axis, the material of microbe carrier is fixed on helical blade for graphite felt with a thickness of 20~30mm in a manner of stickup Surface, upper end Limit Bearing are the good sealing bearing of air-tightness, and lower end Limit Bearing is corrosion resisting bearing.
The vacuum pump is oil sealing type rotary-vane vaccum pump, includes the pump housing and alternating current generator two parts, can make in main body Pressure control in the section -0.085~-0.080Mpa, and being capable of long time continuous working.
A kind of deep-sea anaerobe is degraded the method for organic heavy metal waste water with high salt, comprising the following steps:
1): the drain valve of the device being closed, inlet valve is opened, and injects inoculation anaerobism deep-sea anaerobe from water inlet pipe Culture solution after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will main intracorporal pressure control -0.085~- The section 0.080Mpa.Then start decelerating motor, the micro-disturbance of helical blade promotes microorganism evenly dispersed and is attached to micro- life On object carrier, while the gas of the dissolved oxygen in waste water and microbial metabolism generation is precipitated gradually in subnormal ambient, creates The environment of low dissolved oxygen, low metabolic waste promotes the growth of deep-sea anaerobe, promotes the formation of biomembrane.After 30 days, close Vacuum pump and decelerating motor are closed, drain valve is opened and culture solution is discharged, complete microorganism colonization process；
2): the drain valve of the device being closed, inlet valve is opened, and injects organic heavy metal waste water with high salt, liquid from water inlet pipe After position there was not helical blade, inlet valve is closed, starts vacuum pump for the pressure control in device in the area -0.085~-0.080Mpa Between, then start decelerating motor, the waste water in helical blade pushing meanss forms faint upper up-flow, improves in liquid phase and dissolve The gas that oxygen and microbial metabolism generate is conducive to the metabolism speed for improving deep-sea anaerobe to the diffusion rate of gas phase Rate；After 3~14 days, vacuum pump and decelerating motor are closed, drain valve is opened and waste water is discharged, complete organic heavy metal waste water with high salt Degradation process；
3): repeating 2) step 3~7 time；
4): opening sewage draining exit, after the sludge accumulated in device is excluded, close sewage draining exit；
3) and 4) 5): repeating step.
Step 1) the deep-sea anaerobe culture solution includes: deep-sea anaerobe thallus 5-15g/L, the deep-sea Anaerobe culture solution also includes: 0.3~0.5g/L of sodium acetate, 50~100g/L of sodium chloride, 50~100g/L of potassium chloride, chlorine Change 3~5g/L of ammonium, 10~20mg/L of frerrous chloride, 10~20mg/L of mercury chloride, 10~20mg/L of copper chloride, lead chloride 10~ 20mg/L, 10~20mg/L of potassium bichromate.
The deep-sea anaerobe thallus enrichment is 5812 meters of hydrothermal vent deposits from Western Pacific's depth, is enriched with Journey is as follows: take a small amount of halmeic deposit to be seeded to Anaerobic culturel 14 days in liquid proliferated culture medium, the bacterium solution after proliferation carry out from The heart, centrifugal rotational speed are 3000 revs/min, and the sediment being centrifuged is deep-sea anaerobe thallus.
Proliferated culture medium main component and content: ammonium sulfate 2g/L, sodium chloride 35g/L, dipotassium hydrogen phosphate 2g/L, yeast powder 5g/L, glucose 10g/L, peptone 5g/L.
Organic heavy metal waste water with high salt described in step 2) contains organic matter and Cu2+、Hg2+、Pb2+、Cr6+Etc. toxicity Heavy metal ion.
In the present invention, organic matter in the organic heavy metal waste water with high salt organic matter quilt under the catalysis of deep-sea anaerobe While oxidation, Cu2+、Hg2+、Pb2+、Cr6+Etc. being reduced, precipitating and complex deposits are formed into sludge, with accumulating in device The some discharges of sludge, then be collected.Microorganism flourish in wastewater environment can consume water part inorganic salts composition Own cells structure, the salinity in water have a degree of decline.
The deep-sea anaerobe of salt tolerant is applied in organic heavy metal waste water with high salt by the present invention, degradation of organic substances it is same When by Cu2+、Hg2+、Pb2+、Cr6+Equal toxic heavy metals ion reduction, reduces wastewater toxicity；Begin in device in wastewater treatment process Certain negative pressure is kept eventually, and microbe carrier is installed on screw lifting power mechanism, is slowly rotated under the drive of decelerating motor, It pushes liquid phase to form upper up-flow, accelerates the diffusion of microbe carrier surface microorganism metabolite and reaction product, in waste water The gas that dissolved oxygen and bacterial metabolism generate constantly is precipitated, and is discharged by vacuum pump, and low dissolved oxygen, low metabolic waste are created Environment promotes the growth of deep-sea anaerobe, accelerates the oxidation of organic matter and the reduction of metal ion；Microorganism is improved simultaneously The diffusion rate of carrier surface substance reduces concentration gradient, conducive to the process of reaction.
The invention proposes a kind of screw lifting power mechanisms, and liquid phase is pushed to form upper up-flow, accelerate microbe carrier table The diffusion of face microbial metabolic products and reaction product, it is small to the biomembrane interference of its surface attachment.In addition, the present invention proposes The scheme that microorganism colonization and degrading waste water are carried out under subnormal ambient, can effectively facilitate growth and the wastewater degradation of microorganism The process of reaction has advanced and innovative.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Appended drawing reference:
1, inlet valve；2, main body；21, water inlet；22, water outlet；23, sewage draining exit；24, exhaust outlet；25, circular hole；26, it props up Support pedestal；27, bracket；3, screw lifting power mechanism；31, decelerating motor, 32, shaft coupling；33, axis；34, rotating vane；35, Microbe carrier；36, upper end Limit Bearing；37, lower end Limit Bearing；4, exhaust pipe；5, vacuum pump；6, drain valve.
Specific embodiment
Any feature is disclosed to obtain in this specification, it unless specifically stated, can be equivalent or with similar purpose by other Alternative features are replaced.Unless specifically stated, each feature is an example in a series of equivalent or similar characteristics ?.It is described to understand the present invention just for the sake of help, it should not be considered as to concrete restriction of the invention.
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool Body embodiment is described in detail.
Embodiment 1
The device of organic heavy metal waste water with high salt as shown in Figure 1, a kind of deep-sea anaerobe is degraded, including inlet valve, Main body, screw lifting power mechanism, exhaust pipe, vacuum pump, drain valve, inlet valve, screw lifting power mechanism and drain valve peace In main body, vacuum pump is connect by exhaust pipe with main body.2 lower part of main body is equipped with water inlet 21 and water outlet 22, and bottom end is set There is a sewage draining exit 23, top is equipped with exhaust outlet 24, and top is equipped with circular hole 25, support base 26 is equipped with right above circular hole, in main body 2 The position of portion on the lower is equipped with bracket 27；The exhaust outlet 24 is connected to by exhaust pipe 4 with vacuum pump 5, water inlet 21 connect into Water valve 1, water outlet 22 connect drain valve 6.
The main body is the pot container put of a vertical direction, lower vessel portion section be it is U-shaped, be equipped with water inlet and Water outlet is convenient for connecting pipe and valve part, and lowermost end is equipped with sewage draining exit, and sewage draining exit is configured with threaded cap, and upper vessel portion is equipped with Exhaust outlet, convenient for connection exhaust pipe, circular hole is reserved on top, and for installing Limit Bearing, support bottom is equipped with right above circular hole Seat bears axial load for fixing decelerating motor, and the position inside container on the lower is equipped with bracket, is used for Limit Bearing axis To fixation.
The screw lifting power mechanism includes decelerating motor, shaft coupling, axis, helical blade, microbe carrier, upper end The upper end of Limit Bearing, lower end Limit Bearing, axis 33 is fixed in circular hole 25 by upper end Limit Bearing 36, and the lower end of axis 33 is logical Lower end Limit Bearing 37 is crossed to be fixed on bracket 27；Decelerating motor 31 is fixed in support base 26, and by shaft coupling 32 with The upper end of axis 33 couples；Helical blade 34 is fixed on axis 33, and microbe carrier 35 is fixed on the surface of helical blade 34；Subtract Speed motor revolving speed is 10 revs/min, and shaft coupling and axis use stainless steel material, and helical blade is stainless steel material, and screw pitch is 200mm, outer diameter are the 70% of pot container diameter, are fixed on axis in a welding manner, and the material of microbe carrier is graphite Felt is fixed on the surface of helical blade with a thickness of 30mm in a manner of stickup, and upper end Limit Bearing is the good sealing axis of air-tightness It holds, lower end Limit Bearing is corrosion resisting bearing.
The vacuum pump is oil sealing type rotary-vane vaccum pump, includes the pump housing and alternating current generator two parts, can make in main body Pressure control in the section -0.085~-0.080Mpa, and being capable of long time continuous working.
A kind of deep-sea anaerobe is degraded the method for organic heavy metal waste water with high salt, comprising the following steps:
S1: the drain valve of the device is closed, and inlet valve is opened, and injects inoculation anaerobism deep-sea anaerobe from water inlet pipe Culture solution after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will main intracorporal pressure control -0.085~- The section 0.080Mpa, then starts decelerating motor.After 30 days, vacuum pump and decelerating motor are closed, opens drain valve for culture solution Microorganism colonization process is completed in discharge；
S2: the drain valve of the device is closed, and inlet valve is opened, and is injected from water inlet pipe from water inlet pipe and is injected certain copper smelting plant Organic heavy metal waste water with high salt, initial temperature be 45 DEG C, salinity 5%, Cu2+Ion concentration is 20mg/L, Pb2+Ion Concentration is 12mg/L, COD 230mg/L, after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will fill Then pressure control in setting starts decelerating motor in the section -0.085~-0.080Mpa.After 3 days, vacuum pump and deceleration are closed Motor opens drain valve and waste water is discharged；
S3: S2 step 7 time is repeated；
S4: opening sewage draining exit, after the sludge accumulated in device is excluded, closes sewage draining exit.
The ingredient and concentration of the culture solution of deep-sea anaerobe described in S1 are respectively as follows: deep-sea anaerobe thallus 10g/ L, sodium acetate 0.4g/L, sodium chloride 75g/L, potassium chloride 75g/L, ammonium chloride 4g/L, frerrous chloride 15mg/L, mercury chloride 15mg/ L, copper chloride 15mg/L, lead chloride 15mg/L, potassium bichromate 15mg/L.Anaerobe thallus enrichment in deep-sea is deep from Western Pacific Degree is 5812 meters of hydrothermal vent deposits, and enrichment process is as follows: a small amount of halmeic deposit being taken to be seeded in liquid proliferated culture medium Anaerobic culturel 14 days, the bacterium solution after proliferation was centrifuged, and centrifugal rotational speed is 3000 revs/min, and the sediment being centrifuged is deep-sea Anaerobe thallus.Proliferated culture medium main component and content: ammonium sulfate 2g/L, sodium chloride 35g/L, dipotassium hydrogen phosphate 2g/ L, yeast powder 5g/L, glucose 10g/L, peptone 5g/L.
Treated waste water, average Cu2+Ion concentration 0.48mg/L, average Pb2+Ion concentration is 0.76mg/L, average COD is 45mg/L, average salinity 3.7%.
Embodiment 2
The device of organic heavy metal waste water with high salt as shown in Figure 1, a kind of deep-sea anaerobe is degraded, including inlet valve, Main body, screw lifting power mechanism, exhaust pipe, vacuum pump, drain valve, inlet valve, screw lifting power mechanism and drain valve peace In main body, vacuum pump is connect by exhaust pipe with main body.
The main body is the pot container put of a vertical direction, lower vessel portion section be it is U-shaped, be equipped with water inlet and Water outlet is convenient for connecting pipe and valve part, and lowermost end is equipped with sewage draining exit, and sewage draining exit is configured with threaded cap, and upper vessel portion is equipped with Exhaust outlet, convenient for connection exhaust pipe, circular hole is reserved on top, and for installing Limit Bearing, support bottom is equipped with right above circular hole Seat bears axial load for fixing decelerating motor, and the position inside container on the lower is equipped with bracket, is used for Limit Bearing axis To fixation.
The screw lifting power mechanism includes decelerating motor, shaft coupling, axis, helical blade, microbe carrier, upper end Limit Bearing, lower end Limit Bearing, decelerating motor revolving speed are 24 revs/min, and shaft coupling and axis use stainless steel material, helical blade For stainless steel material, screw pitch 150mm, outer diameter is the 80% of pot container diameter, is fixed on axis in a welding manner, micro- life The material of object carrier is fixed on the surface of helical blade, upper end Limit Bearing for graphite felt with a thickness of 25mm in a manner of stickup For the good sealing bearing of air-tightness, lower end Limit Bearing is corrosion resisting bearing.
The vacuum pump is oil sealing type rotary-vane vaccum pump, includes the pump housing and alternating current generator two parts, can make in main body Pressure control in the section -0.085~-0.080Mpa, and being capable of long time continuous working.
A kind of deep-sea anaerobe is degraded the method for organic heavy metal waste water with high salt, comprising the following steps:
S1: the drain valve of the device is closed, and inlet valve is opened, and injects inoculation anaerobism deep-sea anaerobe from water inlet pipe Culture solution after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will main intracorporal pressure control -0.085~- The section 0.080Mpa, then starts decelerating motor.After 30 days, vacuum pump and decelerating motor are closed, opens drain valve for culture solution Microorganism colonization process is completed in discharge；
S2: the drain valve of the device is closed, and inlet valve is opened, and is injected from water inlet pipe from water inlet pipe and is injected certain chemical plant Organic heavy metal waste water with high salt, initial temperature are 23 DEG C, salinity 16%, Cr6+Ion concentration is 24mg/L, Hg2+Ion is dense Degree is 9mg/L, COD 68mg/L, after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will be in device Pressure control in the section -0.085~-0.080Mpa, then start decelerating motor.After 7 days, vacuum pump is closed and the electricity that slows down Machine opens drain valve and waste water is discharged；
S3: S2 step 4 time is repeated；
S4: opening sewage draining exit, after the sludge accumulated in device is excluded, closes sewage draining exit.
The ingredient and concentration of the culture solution of deep-sea anaerobe described in S1 are respectively as follows: deep-sea anaerobe thallus 15g/ L, sodium acetate 0.5g/L, sodium chloride 100g/L, potassium chloride 100g/L, ammonium chloride 5g/L, frerrous chloride 20mg/L, mercury chloride 20mg/L, copper chloride 20mg/L, lead chloride 20mg/L, potassium bichromate 20mg/L.Deep-sea anaerobe thallus is enriched with westerly too Flat ocean depth is 5812 meters of hydrothermal vent deposits, and enrichment process is as follows: a small amount of halmeic deposit being taken to be seeded to liquid proliferation training It supports in base Anaerobic culturel 14 days, the bacterium solution after proliferation is centrifuged, and centrifugal rotational speed is 3000 revs/min, the sediment being centrifuged For deep-sea anaerobe thallus.Proliferated culture medium main component and content: ammonium sulfate 2g/L, sodium chloride 35g/L, phosphoric acid hydrogen two Potassium 2g/L, yeast powder 5g/L, glucose 10g/L, peptone 5g/L.
Treated waste water, average Cr6+Ion concentration is 0.12mg/L, Hg2+It is not detected, COD 30mg/L.
Embodiment 3
The device of organic heavy metal waste water with high salt as shown in Figure 1, a kind of deep-sea anaerobe is degraded, including inlet valve, Main body, screw lifting power mechanism, exhaust pipe, vacuum pump, drain valve, it is characterised in that inlet valve, screw lifting power mechanism It is mounted in main body with drain valve, vacuum pump is connect by exhaust pipe with main body.
The main body is the pot container put of a vertical direction, lower vessel portion section be it is U-shaped, be equipped with water inlet and Water outlet is convenient for connecting pipe and valve part, and lowermost end is equipped with sewage draining exit, and sewage draining exit is configured with threaded cap, and upper vessel portion is equipped with Exhaust outlet, convenient for connection exhaust pipe, circular hole is reserved on top, and for installing Limit Bearing, support bottom is equipped with right above circular hole Seat bears axial load for fixing decelerating motor, and the position inside container on the lower is equipped with bracket, is used for Limit Bearing axis To fixation.
The screw lifting power mechanism includes decelerating motor, shaft coupling, axis, helical blade, microbe carrier, upper end Limit Bearing, lower end Limit Bearing, decelerating motor revolving speed are 30 revs/min, and shaft coupling and axis use stainless steel material, helical blade For stainless steel material, screw pitch 100mm, outer diameter is the 85% of pot container diameter, is fixed on axis in a welding manner, micro- life The material of object carrier is fixed on the surface of helical blade, upper end Limit Bearing for graphite felt with a thickness of 20mm in a manner of stickup For the good sealing bearing of air-tightness, lower end Limit Bearing is corrosion resisting bearing.
The vacuum pump is oil sealing type rotary-vane vaccum pump, includes the pump housing and alternating current generator two parts, can make in main body Pressure control in the section -0.085~-0.080Mpa, and being capable of long time continuous working.
A kind of deep-sea anaerobe is degraded the method for organic heavy metal waste water with high salt, comprising the following steps:
S1: the drain valve of the device is closed, and inlet valve is opened, and injects inoculation anaerobism deep-sea anaerobe from water inlet pipe Culture solution after liquid level there was not helical blade, closes inlet valve, starting vacuum pump will main intracorporal pressure control -0.085~- The section 0.080Mpa, then starts decelerating motor.After 30 days, vacuum pump and decelerating motor are closed, opens drain valve for culture solution Microorganism colonization process is completed in discharge；
S2: the drain valve of the device is closed, and inlet valve is opened, with high salt from water inlet pipe injection from water inlet pipe injection coal chemical industry Organic heavy metal waste water, initial temperature are 5 DEG C, salinity 8%, Cr6+Ion concentration is 12mg/L, Hg2+Ion concentration is 5mg/L, Pb2+Ion concentration is 1.5mg/L, COD 521mg/L, after liquid level there was not helical blade, closes inlet valve, Start vacuum pump for the pressure control in device in the section -0.085~-0.080Mpa, then starts decelerating motor.After 14 days, Vacuum pump and decelerating motor are closed, drain valve is opened and waste water is discharged；
S3: S2 step 3 time is repeated；
S4: opening sewage draining exit, after the sludge accumulated in device is excluded, closes sewage draining exit.
The ingredient and concentration of the culture solution of deep-sea anaerobe described in S1 are respectively as follows: deep-sea anaerobe thallus 5g/ L, sodium acetate 0.3g/L, sodium chloride 50g/L, potassium chloride 50g/L, ammonium chloride 3g/L, frerrous chloride 10mg/L, mercury chloride 10mg/ L, copper chloride 10mg/L, lead chloride 10mg/L, potassium bichromate 10mg/L.Anaerobe thallus enrichment in deep-sea is deep from Western Pacific Degree is 5812 meters of hydrothermal vent deposits, and enrichment process is as follows: a small amount of halmeic deposit being taken to be seeded in liquid proliferated culture medium Anaerobic culturel 14 days, the bacterium solution after proliferation was centrifuged, and centrifugal rotational speed is 3000 revs/min, and the sediment being centrifuged is deep-sea Anaerobe thallus.Proliferated culture medium main component and content: ammonium sulfate 2g/L, sodium chloride 35g/L, dipotassium hydrogen phosphate 2g/ L, yeast powder 5g/L, glucose 10g/L, peptone 5g/L.
Treated waste water, Cr6+、Hg2+、Pb2+It is not detected, aerobic average chemical is 85mg/L, and average salinity is 6.8%.
Technological parameter (such as temperature, time) section bound value of the invention and interval value can realize this law, Embodiment numerous to list herein.
Ordinary skill in the art knowledge can be used in the unspecified content of the present invention.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng It is described the invention in detail according to embodiment, it will be apparent to an ordinarily skilled person in the art that technical side of the invention Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention Scope of the claims in.

Claims (10)

  1. The device of organic heavy metal waste water with high salt 1. a kind of deep-sea anaerobe is degraded, which is characterized in that described device includes Inlet valve (1), main body (2), screw lifting power mechanism (3), exhaust pipe (4), vacuum pump (5), drain valve (6)；
    Main body (2) lower part is equipped with water inlet (21) and water outlet (22), and bottom end is equipped with sewage draining exit (23), and top is equipped with exhaust outlet (24), top is equipped with circular hole (25), is equipped with support base (26) right above circular hole, and the internal position on the lower of main body (2) is set There are bracket (27)；
    The screw lifting power mechanism (3) include decelerating motor (31), shaft coupling (32), axis (33), helical blade (34), Microbe carrier (35), upper end Limit Bearing (36), lower end Limit Bearing (37)；The upper end of axis (33) passes through upper end Limit Bearing (36) it is fixed in circular hole (25), the lower end of axis (33) is fixed on bracket (27) by lower end Limit Bearing (37)；Slow down electricity Machine (31) is fixed on support base (26), and is coupled by shaft coupling (32) with the upper end of axis (33)；Helical blade (34) is solid It is scheduled on axis (33), microbe carrier (35) is fixed on the surface of helical blade (34)；
    The exhaust outlet (24) is connected to by exhaust pipe (4) with vacuum pump (5), and water inlet (21) connects inlet valve (1), water outlet (22) drain valve (6) are connected.
  2. 2. the apparatus according to claim 1, which is characterized in that the main body (2) is the pot container that vertical direction is put, Lower vessel portion section is U-shaped.
  3. 3. the apparatus according to claim 1, which is characterized in that the screw pitch of the helical blade (34) is 100~200mm, Outer diameter is the 70~85% of pot container diameter.
  4. 4. the apparatus according to claim 1, which is characterized in that the material of the microbe carrier (35) is graphite felt, thick Degree is 20~30mm, and the surface of helical blade (34) is fixed in a manner of stickup.
  5. 5. the apparatus according to claim 1, which is characterized in that the vacuum pump (5) is oil sealing type rotary-vane vaccum pump, is made Pressure control in main body (2) is in the section -0.085~-0.080Mpa.
  6. The organic heavy metal waste water with high salt 6. a kind of deep-sea anaerobe based on any one of claim 1-5 described device is degraded Method, the described method comprises the following steps:
    1): drain valve (6) being closed, inlet valve (1) is opened, and injects inoculation deep-sea anaerobe culture solution, liquid from water inlet pipe It after position there was not helical blade (34), closes inlet valve (1), starts vacuum pump (5) for the pressure control in main body (2) -0.085 The section~-0.080Mpa；Then start decelerating motor (31), the micro-disturbance of helical blade (34) promotes deep-sea anaerobe equal Even dispersion is simultaneously attached on microbe carrier (35), while subnormal ambient produces dissolved oxygen and microbial metabolism in waste water Raw gas is gradually precipitated, and the environment of creation low dissolved oxygen, low metabolic waste promotes the growth of deep-sea anaerobe, promotes The formation of biomembrane；Behind several days, vacuum pump (5) and decelerating motor (31) are closed, drain valve (6) is opened and culture solution is discharged, Complete microorganism colonization process；
    2): the drain valve (6) of the device to be closed, inlet valve (1) is opened, organic heavy metal waste water with high salt is injected from water inlet pipe, It after liquid level there was not helical blade (34), closes inlet valve (1), starts vacuum pump (5) for the pressure control in device -0.085 Then the section~-0.080Mpa starts decelerating motor (31), the waste water in helical blade (34) pushing meanss forms faint upper Up-flow；After 3~14 days, vacuum pump (5) and decelerating motor (31) are closed, drain valve (6) is opened and waste water is discharged, completion is with high salt to be had The degradation process of machine heavy metal wastewater thereby.
  7. 7. according to the method described in claim 6, it is characterized in that, in step 1), in the deep-sea anaerobe culture solution Include: deep-sea anaerobe thallus 5-15g/L.
  8. 8. the method according to the description of claim 7 is characterized in that the deep-sea anaerobe thallus is enriched with from Western Pacific Depth is 5812 meters of hydrothermal vent deposits, and enrichment process is as follows: taking Western Pacific's depth is 5812 meters of hydrothermal vent deposits It is seeded to Anaerobic culturel in liquid proliferated culture medium, the sediment that the bacterium solution after anaerobism Multiplying culture is centrifuged is deep-sea anaerobism Microbial cells.
  9. 9. according to the method described in claim 6, opening sewage draining exit (23) will be led it is characterized in that, step 2) repeats 3~7 times After the sludge accumulated in body (2) excludes, sewage draining exit is closed.
  10. 10. according to the method described in claim 6, it is characterized in that, the organic heavy metal waste water with high salt contains in step 2) Organic matter and heavy metal ion Cu2+、Hg2+、Pb2+、Cr6+。
CN201910409096.XA 2019-05-16 2019-05-16 Device and method for degrading high-salt organic heavy metal wastewater by using deep-sea anaerobic microorganisms Expired - Fee Related CN110240268B (en)

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CN111285552A (en) * 2020-03-19 2020-06-16 中国科学院过程工程研究所 Device and method for in-situ multi-stage treatment of high-salinity wastewater
CN115093020A (en) * 2022-07-12 2022-09-23 国环电池科技(苏州)有限公司 Detoxification method of heavy metal sewage anaerobic biological section

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CN111285552A (en) * 2020-03-19 2020-06-16 中国科学院过程工程研究所 Device and method for in-situ multi-stage treatment of high-salinity wastewater
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CN115093020B (en) * 2022-07-12 2023-10-10 华辰环保能源(广州)有限责任公司 Detoxification method of anaerobic biological section of heavy metal sewage

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