CN108946982A - Preprocess method and device before a kind of water-oil separating - Google Patents
Preprocess method and device before a kind of water-oil separating Download PDFInfo
- Publication number
- CN108946982A CN108946982A CN201810672685.2A CN201810672685A CN108946982A CN 108946982 A CN108946982 A CN 108946982A CN 201810672685 A CN201810672685 A CN 201810672685A CN 108946982 A CN108946982 A CN 108946982A
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- China
- Prior art keywords
- filter
- particle
- self
- cleaning
- tube
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The present invention relates to the preprocess methods and device before a kind of water-oil separating, step is: treatment sewage is flowed through tube auger device and is moved within the system around helix tube using liquid-sand two-phase mixture, heavy phase sand grains is thrown toward under the influence of centrifugal force on the outside of helix tube, big stone, coarse sand are directly filtered out by helix tube outward opening, particle is deviate from from the side wall of tube auger filter, it is ensured that enters self-cleaning filter and does not contain bulky grain；Self-cleaning filter will be passed through by the mixed liquor of tube auger filter, it is acted on using filter element and particle and floccule is stayed on filter core, clean water sample enters preliminary oil water separator by overflow port from filter core, little particle and floccule stay on filter core, particle and floccule are removed from filter core by automatically cleaning piston plate, the particle got rid of enters powder collection tank.
Description
Technical field
Preprocess method and device the present invention relates to environment protection field, before being related to a kind of water-oil separating.
Background technique
Water quality is the important component of ecological environment, with carrying forward vigorously for government and environmental protection worker, the weight of sewage treatment
The property wanted, it is increasingly prominent.The industries such as petroleum, metallurgy, pharmacy, food can all generate a large amount of oily wastewater every year, these oily waste water
Water must obtain appropriate processing before discharging, otherwise will cause the serious pollution of ocean, river, soil etc..In petroleum industry
In, it from oil extraction, storage, transports to entire links such as petroleum refining, product sale and can all have oily wastewater generation, therefrom return
Sump oil purification sewage is received, resource reclaim is not only improved and increases economic benefit, and reduce environmental pollution and protect the ecological balance.
Mechanical coalescence separator is even more the separation for being widely used in emulsion as a kind of separation equipment of high efficiency low cost.
Mechanical coalescence device is generally divided into plate coalescer, porous beds, fibre bed and grain bed coalescer etc..But using mechanical
If can wear or destroy cohesive fiber in coalescer containing a large amount of impurity in sewage when coalescer oil removing, fiber mould can be weakened
Block deoiling function lowers oil removal efficiency, increased care cost, so needing to carry out the pre- place of water sample before carrying out accumulation oil removing
Reason, protects the equipment in downstream.
In conventional preprocessing process, is handled usually using filter, can be needed replacing in some cycles in this way
Filter core increases operating cost.Also have and pre-processed using cyclone, disadvantage treating capacity under larger but there are energy consumptions.
Summary of the invention
In view of problem above and correlation theory, tube auger filter and self-cleaning filtering are utilized the present invention provides a kind of
Combination removes solid pretreated method and apparatus, reduces the solid content of water sample to be processed, reduces the damage of upstream device,
Improve water-oil separating efficiency.
Specific technical solution is as follows:
A kind of preprocess method before water-oil separating, which comprises the steps of:
Step 1: treatment sewage flows through tube auger device, using liquid-sand two-phase mixture within the system around helix tube
Movement, heavy phase sand grains are thrown toward on the outside of helix tube under the influence of centrifugal force, can directly be filtered out by helix tube outward opening
Big stone, coarse sand, particle are deviate from from the side wall of tube auger filter, it is ensured that enter self-cleaning filter and do not contain big
Grain；
Step 2: self-cleaning filter will be passed through by the mixed liquor of tube auger filter, pass through the work of filter element
It is stayed on filter core with particle and floccule, clean water sample enters preliminary oil water separator, little particle by overflow port from filter core
Stay on filter core with floccule, particle and floccule removed from filter core by automatically cleaning piston plate, the particle got rid of into
Enter powder collection tank.
Further, the step 1 can remove the particle that particle is greater than 1.5mm.It is flowed out in the step 2 from overflow port
Sewage because particle and floccule are removed, reduce the obstruction to upstream device and damage, so being suitble to subsequent
Water-oil separating is carried out in processing.
The invention also provides a kind of pretreatment unit realized before aforementioned water-oil separating, including it is sequentially connected to place an order
Member: tube auger filter 1, self-cleaning filter 2, preliminary oil water separator 3, solid particle collection device 4；
The tube auger filter 1, self-cleaning filter 2, preliminary oil water separator 3 are sequentially connected；
The tube auger filter 1 includes medium inlet, water sample outlet, the outlet of particle side wall；
The self-cleaning filter 2 includes liquid phase entrance, liquid-phase outlet, particle outlet, the liquid of the tube auger filter 1
Mutually outlet is connect with the fluid inlet of self-cleaning filter 2；
The liquid phase entrance of preliminary oil water separator 3 is connected with the liquid-phase outlet of self-cleaning filter 2；
The outlet of the granule boundary of the article inlet of powder collection tank 4 and tube auger filter 1 and self-cleaning filter 2
Particle outlet is connected.
Further, the entrance of the tube auger filter is tangential inlet direction.
Further, the piston of self-cleaning filter 2 can move up and down, to accelerate the rate of filtration of self-cleaning filter 2.
Further, piston plate of the self-cleaning filter 2 with self-cleaning function can pass through liquid by moving up and down
Recoil remove the particle and floccule that are adsorbed on filter core；
Further, all devices of above-mentioned use need to meet anticorrosion and requirement of explosion proof.
The beneficial effects of the present invention are:
(1) treatment sewage can use using helix tube type filter and flows through liquid in tube auger device-sand two-phase mixtures
Object is moved around helix tube within the system, and heavy phase sand grains is thrown toward under the influence of centrifugal force on the outside of helix tube, passes through side wall
Pipeline is deviate from.And self-cleaning filter can use the up and down motion of piston plate, accelerates the water sample with particle and passed through
The speed of filter proposed processing capacity, and self-cleaning filter can carry out self-cleaning with itself, can synchronize except solid and clear
It washes.
(2) it is innovated on conventional centrifugal and the method for filtering, can effectively remove degranulation, this method and device tool
There is the features such as high high degree of automation, continuity operation operation, controllability, applied widely, compact efficient.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of embodiment 1.
Fig. 2 is the piston plate structural schematic diagram of self-cleaning filter.
In figure:
1- tube auger filter；2- self-cleaning filter；The preliminary oil water separator of 3-；4- powder collection tank.
Specific embodiment
In the following, the present invention is specifically described by embodiment.It is necessarily pointed out that following embodiment is only used
In the invention will be further described, it should not be understood as limiting the scope of the invention, professional and technical personnel in the field
Some nonessential modifications and adaptations that content according to the present invention is made, still fall within protection scope of the present invention.
Embodiment 1
Present inventor has found afterwards after extensive and in-depth study, the processing for oily wastewater in chemical industry
In, most effective, cheap method is using mechanical coalescence separator.And in chemical industry sewage oil removal process, need into
The raw material for entering mechanical coalescence processing system carries out pretreatment operation, to reduce to the obstruction of follow-up equipment and break to fibre module
It is bad.
It refers to such as Fig. 1, is preprocess method and device of the invention, including tube auger filter 1, self-cleaning filtering
2, preliminary oil water separator 3, powder collection tank 4.The tube auger filter 1, self-cleaning filter 2, preliminary water-oil separating
Device 3 is sequentially connected；The tube auger filter 1 includes medium inlet, water sample outlet, the outlet of particle side wall；The self-cleaning filtering
Device 2 includes liquid phase entrance, liquid-phase outlet, particle outlet, the liquid-phase outlet and self-cleaning filter of the tube auger filter 1
2 fluid inlet connection；The liquid phase entrance of preliminary oil water separator 3 is connected with the liquid-phase outlet of self-cleaning filter 2；Particle
The article inlet of collecting tank 4 is connected with the particle outlet of the outlet of the granule boundary of tube auger filter 1 and self-cleaning filter 2
It connects.The entrance of the tube auger filter is tangential inlet direction.The piston of self-cleaning filter 2 can move up and down, to add
The rate of filtration of fast self-cleaning filter 2.Piston plate of the self-cleaning filter 2 with self-cleaning function, which passes through, to be moved up and down,
The particle and floccule that are adsorbed on filter core can be removed by the recoil of liquid；The all devices of above-mentioned use need to meet anticorrosion
And requirement of explosion proof.
In embodiment, charging is by tube auger filter, by tangential admission, using centrifugal force to particle and liquid
Difference, in tube auger centrifugal filter remove size larger particles, particle centralized collection into powder collection tank, liquid from
The outflow of tubular filter liquid outlet, by self-cleaning filter liquid inlet, into inside filter core, liquid is pressed inside filter core
Power effect under, liquid can flow through filter core, after passing through the filter screen in liquid floccule and little particle remove, piston plate can be upper and lower
Mobile, accelerating liquid incoming flow flows through the speed of self-cleaning filter, is filtering after a certain period of time, can open self-cleaning valve,
The strainer of one side contacts self-cleaning filter of piston plate, side are connected with low-pressure area, open purge valve, clean liquid can be made anti-
Particle is then carried to impact filter plate to enter in powder collection tank by the solid-phase outlet of self-cleaning filter.It is whole that there is simplicity
Efficiently, it saves quickly, Small side effects are without secondary pollution.
The present invention has the advantages that
The present invention utilizes the different abjection particles using helix tube type filter to the centrifugal force for not having to phase, self-cleaning filtering
Device deviates from little particle and floccule using the effect of filter core from liquid, can pass through the up and down motion of self-stripping unit piston plate
The particle and floccule on filter core are removed, makes self-cleaning filter longtime running, the movement that also can use piston plate makes water sample
The time for flowing through filter is reduced.
Claims (6)
1. the preprocess method before a kind of water-oil separating, which comprises the steps of:
Step 1: treatment sewage is flowed through tube auger device and is moved within the system around helix tube using liquid-sand two-phase mixture,
Heavy phase sand grains is thrown toward under the influence of centrifugal force on the outside of helix tube, and big stone is directly filtered out by helix tube outward opening
Block, coarse sand, particle are deviate from from the side wall of tube auger filter, it is ensured that enter self-cleaning filter and do not contain bulky grain.
Step 2: the mixed liquor of process tube auger filter being passed through self-cleaning filter, utilizes filter element effect handle
Grain and floccule stay on filter core, and clean water sample enters preliminary oil water separator, little particle and cotton-shaped by overflow port from filter core
Object stays on filter core, particle and floccule is removed from filter core by automatically cleaning piston plate, the particle got rid of enters particle
Collecting tank.
2. the method according to claim 1, wherein the step 1 removal particle is greater than the particle of 1.5mm.
3. the pretreatment unit before a kind of water-oil separating, including sequentially connected with lower unit: tube auger filter, self-cleaning
Filter, preliminary oil water separator, solid particle collection device；
The tube auger filter, self-cleaning filter, preliminary oil water separator are sequentially connected；
The tube auger filter includes medium inlet, water sample outlet, the outlet of particle side wall；
The self-cleaning filter includes liquid phase entrance, liquid-phase outlet, particle outlet, the liquid-phase outlet of the tube auger filter
It is connect with the fluid inlet of self-cleaning filter；
The liquid phase entrance of preliminary oil water separator is connected with the liquid-phase outlet of self-cleaning filter；
The article inlet of powder collection tank goes out with the particle side wall outlet of tube auger filter and the particle of self-cleaning filter
Mouth is connected.
4. device according to claim 3, which is characterized in that the entrance of the tube auger filter is tangential inlet side
To.
5. device according to claim 3, which is characterized in that the piston plate of self-cleaning filter can move up and down, to add
The rate of filtration of fast self-cleaning filter.
6. device according to claim 3, which is characterized in that self-cleaning filter is equipped with the piston plate of self-cleaning function,
By moving up and down for piston plate, the particle and floccule being adsorbed on filter core are removed using the recoil of liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672685.2A CN108946982A (en) | 2018-06-26 | 2018-06-26 | Preprocess method and device before a kind of water-oil separating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810672685.2A CN108946982A (en) | 2018-06-26 | 2018-06-26 | Preprocess method and device before a kind of water-oil separating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108946982A true CN108946982A (en) | 2018-12-07 |
Family
ID=64487088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810672685.2A Pending CN108946982A (en) | 2018-06-26 | 2018-06-26 | Preprocess method and device before a kind of water-oil separating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108946982A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933722A (en) * | 2021-03-15 | 2021-06-11 | 华东理工大学 | Up-moving type solid particle cyclone elution complete equipment and elution method |
| CN113024082A (en) * | 2021-04-12 | 2021-06-25 | 华东理工大学 | Down-flow cyclone elution complete equipment and elution method for petroleum hydrocarbon-containing sediment |
| CN113603289A (en) * | 2021-05-06 | 2021-11-05 | 广州赛佛科技有限公司 | Multi-stage coupling self-cleaning separation method and device |
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| CN102515381A (en) * | 2011-12-31 | 2012-06-27 | 上海闰铭精密技术有限公司 | Reclaimed water recovery device |
| JP5886096B2 (en) * | 2012-03-16 | 2016-03-16 | 中国電力株式会社 | Automatic backwash strainer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933722A (en) * | 2021-03-15 | 2021-06-11 | 华东理工大学 | Up-moving type solid particle cyclone elution complete equipment and elution method |
| CN113024082A (en) * | 2021-04-12 | 2021-06-25 | 华东理工大学 | Down-flow cyclone elution complete equipment and elution method for petroleum hydrocarbon-containing sediment |
| CN113603289A (en) * | 2021-05-06 | 2021-11-05 | 广州赛佛科技有限公司 | Multi-stage coupling self-cleaning separation method and device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181207 |