CN201240885Y - Treatment apparatus for oil-contaminated water - Google Patents
Treatment apparatus for oil-contaminated water Download PDFInfo
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- CN201240885Y CN201240885Y CNU2008203018312U CN200820301831U CN201240885Y CN 201240885 Y CN201240885 Y CN 201240885Y CN U2008203018312 U CNU2008203018312 U CN U2008203018312U CN 200820301831 U CN200820301831 U CN 200820301831U CN 201240885 Y CN201240885 Y CN 201240885Y
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Abstract
The utility model relates to an oily sewage treating device, comprising an oil-water separating unit and a pre-filtering treating unit; the oil-water separating unit is an oil-water separator, and the pre-filtering unit is a modified fiber ball filter; a water outlet pipe of the oil-water separator is connected with a water inlet pipe of the modified fiber ball filter. In order to lead filtered fluid to be cleaner and in accordance with stricter water requirements, a fine filtering unit is connected at the back of the pre-filtering unit; the fine filtering unit is a fine filter, the water inlet pipe of the fine filter is connected with the water outlet pipe of the modified fiber ball filter. The oily sewage treating device has the advantages of large filtering flow rate, high oil removing efficiency, high filtering precision, convenient regeneration, small occupying area, easy maintenance and the like, thus being capable of realizing oil-water separation and liquid-solid separation at the same time, water suspended substances are equal or less than 1mg/L after being filtered.
Description
(1) technical field:
The utility model relates to waste disposal plant, is specifically related to oil-contained waste water treatment device.
(2) background technology:
In the modern society, oily(waste)water has become the big and wide source of pollution of a kind of amount.Show to have at least every year ten thousand tons of oils of 50-1000 to enter water body by all means in the world according to pertinent data.The source of oily(waste)water is very extensive, mainly comes from industrial enterprises such as oil, petrochemical complex, iron and steel, coking, gas generating station, machinery, all can produce oily(waste)water in railway transportation weaving and the light industry in addition.Oil in the above-mentioned oily(waste)water generally is present in the water with three kinds of states: (1) suspension oil: the oil product particle diameter is bigger, generally greater than 100 microns, be easy to bubble through the water column and the energy skim, it is the major portion of oleaginousness in the waste water, generally account for the 65%-70% of oleaginousness in the waste water, the normal means such as dragging for left-falling stroke that adopt are removed in oil trap; (2) dispersed oil: suspend in water with tiny oil droplets, instability often becomes oil slick after leaving standstill, and its elaioleucite directly is the 10-100 micron; (3) dissolving oil: it is the oil content less than the oil in water emulsion particle diameter, may diminish to several nanometers sometimes, and majority is a dissolved hydrocarbons oil, and the solubleness in water is very little, generally is about 5-15mg/L, adopts biochemical process to remove more.In addition, because oily(waste)water is cut by turbomachine in course of conveying, or pressure reduces suddenly or has tensio-active agent and make the oil in the waste water present emulsified state, form oil in water emulsion, its particle diameter is less than 15 microns, system is more stable, is difficult for floating on the water surface, generally adopts methods such as flotation, filtration, flocculation to remove; Oil in water emulsion contains interfacial agent and plays the organism of same purpose, and oil content exists with the particle of micron number magnitude, and separating difficulty is bigger.
In recent years, a series of technology have been developed at the oily water treatment technical elements, as application number is 200720103362.9, the name be called＜＜a kind of oil field ternary waste disposal plant Chinese utility model patent, a kind of oil field ternary waste disposal plant is disclosed, this device comprises oily water separation and just purifies the bi-level treatment unit, oil field ternary sewage is sent to clean unit just by water pipe after the oily water separation cell processing, the hydraulic pipe-line from the oily water separation unit to first clean unit is provided with administration device; The bi-level treatment unit is horizontal direction three layers of tubular structure from inside to outside, and wherein the profit processing unit is divided into oily water separation district, sump oil district and pool, and first clean unit is divided into negative area, scum silica frost buffer zone and clear water zone; Oil field ternary sewage is sent to first clean unit and does the processing of removal suspended substance after the oil removing of oily water separation unit, discharges at last.The utility model has solved the problem of oil field ternary sewage purification preferably, but oil field ternary sewage is after the oily water separation cell processing in this utility model, before entering first clean unit, need to add a certain amount of pH value conditioning agent, inorganic flocculating agent and organic floculant, make the alkali in itself and the sewage, surfactant dissolves, polymkeric substance etc. react to produce flco, again flco is discharged to reach the purpose of purification, the input of above-mentioned chemical reagent has not only increased cost, and remains in chemical reagent in the sewage and will make sewage emissions or reuse after this processing cause secondary pollution.
(3) utility model content:
The utility model will disclose the oil-contained waste water treatment device that a kind of filtering traffic is big, deoiling effect is good, and the oily(waste)water after this device is handled can be directly used in the reuse of others such as oil-field flooding.
This novel oil-contained waste water treatment device comprises oily water separation and prefiltration bi-level treatment unit, unlike the prior art be: described oily water separation unit is a water-and-oil separator, and described prefiltration unit is a modification fiber ball filter; The rising pipe of described water-and-oil separator is connected with the water inlet pipe of modified fiber ball filter.
In order to make the liquid after the filtration more pure,, also can behind the prefiltration unit, connect the one-level fine filtration unit again to meet more strict water requirement; Described fine filtration unit is a fine filter, and the water inlet pipe of fine filter is connected with the rising pipe of modified fiber ball filter; The size of the amount of the oily(waste)water of Chu Liing as required, described fine filtration unit can be many fine filters and composes in parallel; If the one-level fine filter can not reach the water requirement, also can as required many fine filter series connection be filtered, the liquid after filtering gets a desired effect; Certainly, when fine filter carried out the parallel connection use, the filtering accuracy of each fine filter should be identical; When fine filter was connected use, its filtering accuracy should meet the next stage principle higher than upper level.
Described fine filter comprises cylindrical shell, be arranged at the intravital collector tube box of tube and be threadedly connected to strainer tube on the collector tube box, and the bottom of cylindrical shell is provided with water-in and slag-drip opening; Wherein the collector tube box is connected by the outer output tube that catchments of drain pipe and cylindrical shell; Described strainer tube is formed by the polyethylene powder sintering of low pressure ultra-high molecular weight, and the aperture of filtering micropore is 0.53 micron on the strainer tube, and preferably its aperture is 1 micron.
The cylindrical shell of described micropore sintered fine filter can be made the round bottom formula, also can make awl end formula, also can make other shape certainly as required; Described collector tube box hangs and is arranged in the cylindrical shell, and strainer tube is threadedly connected to the bottom of collector tube box; Described slag-drip opening preferably is arranged at the lower-most point place of cylindrical shell bottom, so that when deslagging the intravital settling of tube is all discharged; Described collector tube box is separated into 2-9 by the dividing plate with axially parallel and organizes mutual disconnected collect cavity, and every group of collect cavity is connected by the outer output tube that catchments of drain pipe and described cylindrical shell respectively, is equipped with by-pass valve control on the described every drain pipe; Such design makes the waste liquid amount that can handle as required in actual production select wherein one group or several groups of strainer tubes to carry out work, can reduce the loss of equipment virtually, improves the work-ing life of equipment; Also can be therein one group or several groups of strainer tubes when occurring stopping up, close corresponding system valve, and do not influence filtering proceeding.
The internal diameter of described fine filter strainer tube is the 5-60 millimeter, and wall thickness is the 2-15 millimeter; Superiority with cost performance considers that then preferred internal diameter is the 10-25 millimeter, and wall thickness is the 6-10 millimeter.
In the novel oil-contained waste water treatment device of basis, described water-and-oil separator can be any separating device that oily water separation can be opened of the prior art, the water-and-oil separator described in preferred basis is novel; Described water-and-oil separator comprises a cylindrical shell, and cylindrical shell is provided with water-in, water outlet, tensimeter and reversible transmission rig, is provided with upper and lower two mesh pressing plates in the cavity of described cylindrical shell, the uniform lipophilic-hydrophobic property filtration medium that is filled with between the two mesh pressing plates; Last mesh pressing plate links to each other with described transmission mechanism, can make bidirectional-movement up and down by actuator drives; Described mesh pressing plate down is fixedly installed in the bottom of closed cylinder; Be fixed with water distributor in the described space of going up between mesh pressing plate and the tank deck, the water inlet pipe on this water distributor and the cylindrical shell on the water-in joins, and the regeneration of filtration medium can be provided with an inlet mouth and venting port respectively on the bottom and the top of cylindrical shell for convenience.
Described modified fiber ball filter comprises a cylindrical shell, cylindrical shell is provided with water-in, water outlet, tensimeter and stirrer, be provided with filtration medium in the described cylindrical shell cavity, be fixed with water distributor in the space at cylindrical shell top, the water inlet pipe on this water distributor and the cylindrical shell on the water-in joins; After modified fiber ball filter moved for some time, the intravital filtration medium of tube needed regeneration, and the filtration medium of regenerating for convenience can be provided with an inlet mouth and venting port respectively on the bottom and the top of cylindrical shell.
This novel oil-contained waste water treatment device has that filtering traffic is big, oil removal efficiency is high, filtering accuracy is high, regeneration is convenient, floor space is little, is easy to advantage such as maintenance, can realize simultaneously that oily water separation separates with liquid-solid, filters back water quality suspended substance≤1mg/L.
(4) description of drawings:
Fig. 1: the schematic flow sheet of a kind of embodiment of this novel oil-contained waste water treatment device;
Fig. 2: the structural representation of the water-and-oil separator described in Fig. 1 embodiment;
Fig. 3: the structural representation of the modified fiber ball filter described in Fig. 1 embodiment;
Fig. 4: the structural representation of the fine filter described in Fig. 1 embodiment.
Reference numeral:
1 water-and-oil separator; 101 cylindrical shells; 102 transmission mechanisms; 103 water distributors; Mesh pressing plate on 104; 105 times mesh pressing plates; 106 filtration mediums; 107 water inlet pipes; 108 rising pipes; 109 inlet pipe; 110 vapor pipes;
2 modified fiber ball filters; 201 cylindrical shells; 202 agitators; 203 water distributors; 204 top dielectric are filtered; 205 lower floors filter; 206 water inlet pipes; 207 rising pipes; 208 inlet pipe; 209 vapor pipes;
3 fine filters; 301 cylindrical shells; 302 strainer tubes; 303 collector tube boxes; 304 drain pipes; 305 drain pipe control valves; 306 output tubes that catchment; 307 water inlet pipes; 308 Residue extraction pipelines; 309 slag-discharging valves; 310 inlet valves.
(5) embodiment:
In embodiment shown in Figure 1, the utility model oil-contained waste water treatment device comprises a table oil water separator 1, a modified fiber ball filter 2 and a fine filter 3, the rising pipe 108 of water-and-oil separator 1 is connected with the water inlet pipe 206 of modified fiber ball filter 2, and the rising pipe 207 of modified fiber ball filter 2 is connected with the water inlet pipe 307 of fine filter 3.
The described water-and-oil separator 1 of Fig. 1 as shown in Figure 2, it comprises the cylindrical shell 101 of a sealing, cylindrical shell 101 is provided with water-in, water outlet, tensimeter and reversible transmission mechanism 102, be provided with upper and lower two mesh pressing plates in cylindrical shell 101 cavitys, last mesh pressing plate 104 links to each other with described transmission mechanism 102, is driven by transmission mechanism 102 and can make bidirectional-movement up and down; Described mesh pressing plate 105 down is fixedly installed in the bottom of closed cylinder 101; The uniform lipophilic-hydrophobic property filtration medium 106 that is filled with specifically can be the high density poly propylene foam between the two mesh pressing plates, or polyurethane foam, or the polyester foam, or polyvinyl chloride foam etc. other have the filtration medium of identical effect; Be fixed with water distributor 103 in the described space of going up between mesh pressing plate 104 and the tank deck, the water inlet pipe 107 on this water distributor 103 and the cylindrical shell 101 on the water-in joins; The bottom of water-and-oil separator 1 and top are established an inlet pipe 109 and vapor pipe 110 respectively; Described this water-and-oil separator 1 is preferably in less than carrying out work under the pressure of 0.4MPa, and its inlet outlet pressure differential is≤0.1MPa.
Modified fiber ball filter 2 shown in Figure 1 as shown in Figure 3, it comprises the cylindrical shell 201 of a sealing, cylindrical shell 201 is provided with water-in, water outlet, tensimeter and agitator 202, be provided with upper and lower two-layer filtration medium 204,205 in cylindrical shell 201 cavitys, the lower floor's filtration medium 205 that wherein is positioned at cylindrical shell 201 bottom spaces is rigid filtration medium, specifically can be stone, or Metal Ball etc.; The described upper strata filtration medium 204 that is positioned on the rigid filtration medium is modified fiber ball; Be fixed with water distributor 203 in the space at cylindrical shell 201 tops, the water inlet pipe 206 on this water distributor 203 and the cylindrical shell 201 on the water-in joins; Bottom and top at cylindrical shell 201 are respectively equipped with inlet pipe 208 and vapor pipe 209; Operating pressure≤the 0.4MPa of described this modified fiber ball filter 2, its inlet outlet pressure differential are 0.1MPa.
Described oily(waste)water enters water distributor 103 from the water inlet pipe 107 of water-and-oil separator 1, by water distributor 103 the oily(waste)water branch is spread across on the filtration medium 106 in the water-and-oil separator 1 and carries out oily water separation, the liquid after the separation flows out from the rising pipe 108 of water-and-oil separator 1; Enter water distributor 203 in the modified fiber ball filter 2 along the water inlet pipe 206 of pipeline by modified fiber ball filter 2, be spread across in 203 minutes on the going up of modified fiber ball filter 2, the layer filtration medium 204,205 through water distributor again, flow out by rising pipe 207 after filtering; Enter fine filter 3 along the water inlet pipe 307 of pipeline by fine filter 3, liquid to be filtered penetrates in the strainer tube 302 through the filtering micropore on the chimney filter 302, be pooled to again in the different collect cavities of collector tube box 303, flow out in the output tube 306 that catchments by the drain pipe 304 that links to each other with collect cavity, the liquid in the described output tube 306 that catchments is through the water outlet after this novel oil-contained waste water treatment device processing again.
Claims (9)
- [claim 1] oil-contained waste water treatment device comprises oily water separation and prefiltration bi-level treatment unit, it is characterized in that: described oily water separation unit is a water-and-oil separator (1), and described prefiltration unit is a modification fiber ball filter (2); The rising pipe (108) of described water-and-oil separator (1) is connected with the water inlet pipe (206) of modified fiber ball filter (2).
- [claim 2] oil-contained waste water treatment device according to claim 1 is characterized in that: it also comprises fine filtration unit, and described fine filtration unit is in series by one or more fine filter (3) or composes in parallel; The water inlet pipe 307 of described fine filter (3) is connected with the rising pipe (207) of modified fiber ball filter (2).
- [claim 3] oil-contained waste water treatment device according to claim 2, it is characterized in that: described fine filter (3) comprises cylindrical shell (301), be arranged at the collector tube box (303) in the cylindrical shell (301) and be threadedly connected to strainer tube (302) on the collector tube box (303), and the bottom of cylindrical shell (301) is provided with water-in and slag-drip opening; Described collector tube box (303) is connected by the outer output tube that catchments (306) of drain pipe 304 and cylindrical shell (301); Described strainer tube (302) is formed by the polyethylene powder sintering of low pressure ultra-high molecular weight, and the aperture that strainer tube (302) is gone up filtering micropore is the 0.5-3 micron.
- [claim 4] oil-contained waste water treatment device according to claim 3 is characterized in that: the aperture that described fine filter (3) strainer tube (302) is gone up filtering micropore is 1 micron.
- [claim 5] is characterized in that according to any one described oil-contained waste water treatment device in the claim 24: the internal diameter of described fine filter (3) strainer tube (302) is the 5-60 millimeter, and wall thickness is the 2-15 millimeter.
- [claim 6] oil-contained waste water treatment device according to claim 5 is characterized in that: the internal diameter of described strainer tube (302) is the 10-25 millimeter, and wall thickness is the 6-10 millimeter.
- [claim 7] is according to any one described oil-contained waste water treatment device in the claim 24, it is characterized in that: described collector tube box (303) is separated into 2-9 by the dividing plate with axially parallel and organizes mutual disconnected collect cavity, and every group of collect cavity is connected by the outer output tube that catchments (306) of drain pipe (304) and described cylindrical shell (301) respectively.
- [claim 8] is according to any one described oil-contained waste water treatment device among the claim 1-4, it is characterized in that: described water-and-oil separator (1) comprises a cylindrical shell (101), cylindrical shell (101) is provided with water-in, water outlet, tensimeter and reversible transmission mechanism (102), be provided with upper and lower two mesh pressing plates (104,105) in the cavity of described cylindrical shell (101), the uniform lipophilic-hydrophobic property filtration medium (106) that is filled with between the two mesh pressing plates; The described mesh pressing plate (104) of going up links to each other with described transmission mechanism (102), is driven by transmission mechanism (102) and can make bidirectional-movement up and down; Described mesh pressing plate (105) down is fixedly installed in the bottom of closed cylinder (101); Be fixed with water distributor (103) in the described space of going up between mesh pressing plate (104) and the tank deck, this water distributor (103) joins with the water inlet pipe (107) that cylindrical shell (101) is gone up on the water-in.
- [claim 9] is according to any one described oil-contained waste water treatment device among the claim 1-4, it is characterized in that: described modified fiber ball filter (2) comprises a cylindrical shell (201), cylindrical shell (201) is provided with water-in, water outlet, tensimeter and agitator (202), be provided with filtration medium in described cylindrical shell (201) cavity, the top of cylindrical shell (201) is fixed with water distributor (203), and the water inlet pipe (206) on the water-in on this water distributor (203) and the cylindrical shell (201) joins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203018312U CN201240885Y (en) | 2008-08-15 | 2008-08-15 | Treatment apparatus for oil-contaminated water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203018312U CN201240885Y (en) | 2008-08-15 | 2008-08-15 | Treatment apparatus for oil-contaminated water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201240885Y true CN201240885Y (en) | 2009-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203018312U Expired - Fee Related CN201240885Y (en) | 2008-08-15 | 2008-08-15 | Treatment apparatus for oil-contaminated water |
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| Country | Link |
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| CN (1) | CN201240885Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657953A (en) * | 2012-05-03 | 2012-09-12 | 池州西恩新材料科技有限公司 | Filtration type oil-water separation technology and equipment |
| CN103864234A (en) * | 2012-12-10 | 2014-06-18 | 中国石油化工股份有限公司 | Combined box type filter device |
| CN114890559A (en) * | 2022-04-06 | 2022-08-12 | 苏州科锐德节能环境科技有限公司 | Low-power consumption modified material pure physical high-efficiency oil-water separation device |
-
2008
- 2008-08-15 CN CNU2008203018312U patent/CN201240885Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657953A (en) * | 2012-05-03 | 2012-09-12 | 池州西恩新材料科技有限公司 | Filtration type oil-water separation technology and equipment |
| CN102657953B (en) * | 2012-05-03 | 2015-01-07 | 池州西恩新材料科技有限公司 | Filtration type oil-water separation technology and equipment |
| CN103864234A (en) * | 2012-12-10 | 2014-06-18 | 中国石油化工股份有限公司 | Combined box type filter device |
| CN103864234B (en) * | 2012-12-10 | 2015-08-05 | 中国石油化工股份有限公司 | A kind of combined box-type filtration unit |
| CN114890559A (en) * | 2022-04-06 | 2022-08-12 | 苏州科锐德节能环境科技有限公司 | Low-power consumption modified material pure physical high-efficiency oil-water separation device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20170815 |