CN109851091A - The efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique - Google Patents
The efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique Download PDFInfo
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- CN109851091A CN109851091A CN201910046673.3A CN201910046673A CN109851091A CN 109851091 A CN109851091 A CN 109851091A CN 201910046673 A CN201910046673 A CN 201910046673A CN 109851091 A CN109851091 A CN 109851091A
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Abstract
The invention discloses a kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and techniques, system includes sequentially connected adjusting water pot, elevator pump, microbubble dissolved air flotation tank and sludge pump, high-efficiency cyclone mixer is set between the discharge outlet end of elevator pump and the water inlet end of microbubble dissolved air flotation tank, and the high-efficiency cyclone mixer is connected with air compressor machine, dosing and metering device respectively；Slag Scraping Device is installed in microbubble dissolved air flotation tank top, bucket is set below Slag Scraping Device, the bucket and microbubble dissolved air flotation tank pass through pipeline and connect with sludge pump, are equipped with pH in-line meter and liquidometer in adjusting water pot.Compared with prior art, the positive effect of the present invention is: reach with low investment, occupied area is small, stable effluent quality, convenient for management and operation, be fully able to realize automation control, thoroughly solve the problems, such as that various sizes oil droplet and suspended matter remove.
Description
Technical field
The present invention relates to oil gas field brine waste oil removing oil removal treatment process, especially containing high concentration oil and suspension
A kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique of object oil gas field brine waste processing.
Background technique
Currently, for the removal of oil and suspended matter in oil gas field brine waste, main technique has demulsification+flocculation sedimentation gentle
Two kinds of techniques are floated, and using standard discharge processing as the processing of the oil gas field brine waste of target, in oil removing and oil removal technique
On based on air bearing, have cavitation air flotation, shallow air-floatation and air-dissolving air-float etc. more.But these techniques are mostly to remove 20 μm of partial size or more
Oil droplet based on, 20 μm of oil droplets or suspended matter below are difficult to remove substantially.These are pneumatically supported useless to oil gas field saliferous simultaneously
CODcr removal contribution is mainly derived from the removal of oil and suspended matter in water, and preliminary oxidation effect is very weak.
Summary of the invention
The shortcomings that in order to overcome the prior art, the present invention provides a kind of efficient microbubble air bearings of oil gas field brine waste to remove
Oily oil removal system and technique, reach with low investment, occupied area is small, stable effluent quality, convenient for management and operation, be entirely capable of
It enough realizes automation control, thoroughly solves the problems, such as various sizes oil droplet and suspended matter removal.
The technical scheme adopted by the invention is that: a kind of efficient microbubble oil removal by air bubbling oil removal of oil gas field brine waste
System, including sequentially connected adjusting water pot, elevator pump, microbubble dissolved air flotation tank and sludge pump, in the discharge outlet of elevator pump
End the water inlet end of microbubble dissolved air flotation tank between be arranged high-efficiency cyclone mixer, the high-efficiency cyclone mixer respectively with sky
Press, dosing and metering device are connected；Slag Scraping Device is installed in microbubble dissolved air flotation tank top, is set below Slag Scraping Device
Bucket is set, the bucket and microbubble dissolved air flotation tank pass through pipeline and connect with sludge pump, are equipped with pH in adjusting water pot
In-line meter and liquidometer.
The present invention also provides a kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique,
Oil gas field brine waste is first discharged into adjusting water pot, then enters high-efficiency cyclone mixer by elevator pump, mixes in high-efficiency cyclone
The polyacrylamide PAM that drug concentration is 0.01%-0.1% is added in device, completes medicament and contaminant particle, water, gas three
It mixes；Mixed medicament and sewage enter microbubble dissolved air flotation tank, and the Slag Scraping Device of microbubble dissolved air flotation tank top will
The dross that microbubble air bearing generates scrapes in bucket, passes through with the sludge of microbubble dissolved air flotation tank tank bottom defeated outside sludge pump；Through
Purification waste water side opening discharge from microbubble dissolved air flotation tank after separation.
Compared with prior art, the positive effect of the present invention is:
1, the processing unit in technique uses highly integrated integrated design, reduces land occupation, convenient for management, reduces people
Work labor intensity；
2, chemical agent is utilized to greatest extent.The high-efficiency cyclone mixer of innovation can effectively stretch chemical agent molecule
Chain makes the charge being originally coiled in agent molecule be fully used, and the contaminant trap ability of medicament improves decades of times.Separately
Outside, efficient microbubble air bearing provides medicament mixed function cmpletely by vortex, and pollutant is caught by chemical agent strand
The efficiency obtained is close to 100%.The technical characteristic guarantees that medicament is made the best use of everything, and realizes few reagent consumption amount.
3, it is significantlyd change without having to worry about influent quality water.The unique vortex energy adjustment function of high-efficiency cyclone mixer is protected
It demonstrate,proves efficient microbubble air bearing and adapts to different water inlet situations, can be adapted to rapidly simultaneously when sewage property, temperature and flow mutate
Operating condition can be adjusted in time, guarantee to stablize water outlet.The technical characteristic breaches traditional air bearing and can not adapt to when water quality significantlys change
The shortcomings that, it is ensured that the stability of entire sewage treatment process (including rear class technique).Greatly reduce impact load accident and
The processing cost of generation.
4, it simplifies.Molten gas design realizes that gas, solid, liquid three mix to sewage entirely, and perfect pressure regulating system can make
Bubble results from nucleus and forms state, realizes the minimum bubble diameter close to zero, and be grown directly upon in floc particle, is not necessarily to
Attaching process.The technical characteristic realizes the innovation of flocs float, be omitted dissolved air water preparation, circulation and slowly it is inefficient
Bubble attaching process, realize unprecedented dross removal efficiency and efficient microbubble airfloat equipment ultra-small volume, save
80% or more occupied area and a large amount of capital expenditures.Due to removal efficiency height, the load of rear class treatment process can be substantially reduced
And increase its stability.Since generated dross is aqueous less and closely knit, the volume in dross receiving pond can be greatly reduced.Make
It obtains more reliable entire technique, land occupation and operating cost all to substantially reduce, this is equally energy-saving and environmental protection and the performance of low-carbon and mark
Will.
5, strong oxidation is coupled.There are a part of diameters to be less than in efficient microbubble air bearing generation bubble size sequence
3 μm of microbubble, in certain depth of water, surface pressure is equivalent to tens atmospheric pressure, and bubble size has becoming for diminution
Gesture, bubble a certain time point narrow down to it is ultimate attainment reveal, generate high energy current potential, be electrolysed water, generate great amount of hydroxy group oneself
By base, the organic matter in water around contact bubble is aoxidized.
Detailed description of the invention
Examples of the present invention will be described by way of reference to the accompanying drawings, in which:
Fig. 1 is the efficient microbubble oil removal by air bubbling oil removal system structure diagram of oil gas field brine waste of the present invention；
Fig. 2 is the structural schematic diagram of high-efficiency cyclone mixer of the present invention.
In figure: 1. adjust water pot；2,3. pipeline；4. elevator pump；5. dissolved air flotation tank；6,7. pipeline；8. sludge tank；9.pH
Meter；10: grug feeding jar；11. chemical feed pipe；12. metering pump；13. chemical feed pipe；14. air compressor machine；15. tracheae；16. high-efficiency cyclone mixes
Device；17. pipeline；18. bucket；19. Slag Scraping Device；20. outlet pipe；21. feeding opening；22. air inlet；23. pullover type water distributor；
24. connecting line；25. three-phase mixing head.
Specific embodiment
A kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste, as shown in Figure 1, comprising: adjust
Water pot 1, elevator pump 4, dissolved air flotation tank 5, sludge tank 8, pH meter 9, grug feeding jar 10, metering pump 12, air compressor machine 14, high-efficiency cyclone are mixed
Clutch 16, bucket 18, Slag Scraping Device 19 etc., in which:
Oil gas field brine waste, which is first discharged into, adjusts water pot 1, adjusts water pot 1 and is connected by pipeline 2 with elevator pump 4, elevator pump 4
It is connected by pipeline 3 with high-efficiency cyclone mixer 16, air compressor machine 14 is connected by tracheae 15 with high-efficiency cyclone mixer 16；Dosing
Tank 10 is connected by chemical feed pipe 11 with metering pump 12, and metering pump 12 is connected by drug feeding pipeline 13 with high-efficiency cyclone mixer 16；
16 piping 17 of high-efficiency cyclone mixer is connected with microbubble dissolved air flotation tank 5；Microbubble dissolved air flotation tank 5 by pipeline 6 with
Sludge pump 8 is connected.Slag Scraping Device 19 is installed, the dross that microbubble air bearing generates passes through micro- gas at the top of microbubble dissolved air flotation tank 5
The Slag Scraping Device 19 at 5 top of bubble dissolved air flotation tank scrapes in bucket 18, by pipeline 7, is delivered to external specified ground by sludge pump 8
Point；Waste water passes through 20 discharge system of pipeline after purification after the separation of microbubble dissolved air flotation tank 5.It is installed in adjusting water pot 1
There are pH in-line meter, liquidometer；Blender is installed in grug feeding jar 10；Electrically operated valve is installed on pipeline 6.
Further, the discharge outlet end of the elevator pump 4 to the pipeline between 5 water inlet end of microbubble dissolved air flotation tank is snake
Shape pipeline, snakelike pipeline highest point corner position install high-efficiency cyclone mixer 16；
Further, the high-efficiency cyclone mixer 16 can be at the discharge outlet end of the elevator pump 4 to microbubble air bearing point
From installing 2~6 between 5 water inlet end of tank, coming into full contact with for medicament and pollutant is realized by multi-stage high-efficiency rotational flow mixer 16
With mix.
Further, the structure of the high-efficiency cyclone mixer 16 is as shown in Figure 2, comprising: connecting line 24, three mixes
First 25, feeding opening 21, air inlet 22 etc., the three-phase mixing head is interior to contain mixing capsule hair style water distributor 23, is provided on water distributor
Many pores are completed medicament and are mixed with contaminant particle, water, gas three.The chemical agent that the feeding opening adds is polypropylene
Amide PAM, drug concentration 0.01%-0.1%.
Claims (10)
1. a kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste, it is characterised in that: including successively connecting
Adjusting water pot, elevator pump, microbubble dissolved air flotation tank and the sludge pump connect, at the discharge outlet end of elevator pump and microbubble air bearing point
From between the water inlet end of tank be arranged high-efficiency cyclone mixer, the high-efficiency cyclone mixer respectively with air compressor machine, dosing and metering
Device is connected；Slag Scraping Device is installed in microbubble dissolved air flotation tank top, bucket, the bucket are set below Slag Scraping Device
Pass through pipeline with microbubble dissolved air flotation tank to connect with sludge pump, pH in-line meter and liquid level are installed in adjusting water pot
Meter.
2. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 1, feature
Be: the high-efficiency cyclone mixer includes three-phase mixing head, and three-phase mixing head side is provided with plumbing drain connector,
It is provided with air inlet at the top of three-phase mixing head, mixing pullover type water distributor is provided in three-phase mixing head, is connected in plumbing drain
Feeding opening is set above interface.
3. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 2, feature
It is: is provided with several pores on the mixing pullover type water distributor.
4. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 1, feature
Be: the pipeline between the water inlet end at the discharge outlet end of the elevator pump to microbubble dissolved air flotation tank is snakelike pipeline.
5. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 4, feature
Be: the high-efficiency cyclone mixer is mounted on the corner position of snakelike pipeline highest point.
6. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 5, feature
Be: the high-efficiency cyclone mixer installs 2~6.
7. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 1, feature
It is: electrically operated valve is installed on the pipeline between microbubble dissolved air flotation tank and sludge pump.
8. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 1, feature
Be: the dosing and metering device include grug feeding jar and metering pump, and the grug feeding jar is connected by chemical feed pipe with metering pump, institute
Metering pump is stated to be connected by drug feeding pipeline with high-efficiency cyclone mixer.
9. the efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste according to claim 8, feature
It is: blender is installed in the grug feeding jar.
10. a kind of efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique, it is characterised in that: oil gas
Field brine waste is first discharged into adjusting water pot, then enters high-efficiency cyclone mixer by elevator pump, in high-efficiency cyclone mixer
The polyacrylamide PAM that drug concentration is 0.01%-0.1% is added, medicament is completed and contaminant particle, water, gas three-phase is mixed
It closes；Mixed medicament and sewage enter microbubble dissolved air flotation tank, and the Slag Scraping Device of microbubble dissolved air flotation tank top is by micro- gas
The dross that bubble air bearing generates scrapes in bucket, passes through with the sludge of microbubble dissolved air flotation tank tank bottom defeated outside sludge pump；Through separating
The side opening from microbubble dissolved air flotation tank of purification waste water afterwards is discharged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910046673.3A CN109851091A (en) | 2019-01-18 | 2019-01-18 | The efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique |
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| CN201910046673.3A CN109851091A (en) | 2019-01-18 | 2019-01-18 | The efficient microbubble oil removal by air bubbling oil removal system of oil gas field brine waste and technique |
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| CN110127797A (en) * | 2019-06-25 | 2019-08-16 | 浙江晟科环境工程有限公司 | A kind of cyclone air-flotation equipment |
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| CN201492972U (en) * | 2009-09-10 | 2010-06-02 | 上海东振环保工程技术有限公司 | Gas-energy flocculation reactor |
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Application publication date: 20190607 |