CN204251381U - A kind of recovered water receiving tank with oil-water separating function - Google Patents
A kind of recovered water receiving tank with oil-water separating function Download PDFInfo
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- CN204251381U CN204251381U CN201420672528.9U CN201420672528U CN204251381U CN 204251381 U CN204251381 U CN 204251381U CN 201420672528 U CN201420672528 U CN 201420672528U CN 204251381 U CN204251381 U CN 204251381U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 239000012530 fluid Substances 0.000 claims abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000002002 slurry Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 3
- 235000015110 jellies Nutrition 0.000 description 3
- 239000008274 jelly Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000005439 thermosphere Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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Abstract
The utility model belongs to oil and gas exploitation industry technology field, in particular to a kind of recovered water receiving tank with oil-water separating function, comprise the feed liquor pipeline on tank body, tank body and fluid pipeline, described fluid pipeline comprises the water outlet pipeline of delivery pipeline and n shape tube shape, the water outlet pipeline of described delivery pipeline and n shape tube shape is connected on tank body, is applicable to oil-gas field oil-containing produced water disposal technique.Utilize the principle of profit density difference, U-shaped pipe; achieve oily water separation; problem that the profit thoroughly solved after separation occurs respectively " in water band oil, oil mixed with water "; protect physical environment; by the oily water separation of machinery; achieve automatic oil draining, automatically turn water, reduce labor workload, reduce running cost.
Description
Technical field
The utility model belongs to oil and gas exploitation industry technology field, particularly a kind of recovered water receiving tank with oil-water separating function, is applicable to oil-gas field oil-containing produced water disposal technique.
Background technology
In oil-gas field production process, certainly leading to some oil-containing recovered waters, if do not administered, arbitrarily discharging, severe contamination must be caused to environment.At present, be generally adopt slurry tank to the process of oil-containing produced water disposal technique, reclaim sump oil, the recovered water after oil removing enters the filter plant in downstream.Slurry tank comprises tank body, profit liquidometer, back with water inlet line, water outlet pipeline (at the bottom of distance tank 1 meter) and collection tube line (at the bottom of distance tank 1.5 meters), oil-containing recovered water carries out the sedimentation of certain hour in slurry tank, utilize the difference of profit density, water droplet is moved downward, oil droplet moves upward, thus realizes profit and be separated in slurry tank.Start and turn water pump (at the bottom of rising pipe linear distance tank 1 meter), carry out turning water operation, when profit liquidometer display water liquid level is reduced to below collection tube line outlet (less than 1.5 meters), stop turning water operation.Open collection tube line valve subsequently, carry out receiving oily operation.
Patent CN202223937U discloses a kind sewage precipitation tank, comprise slurry tank, the bottom of described slurry tank is taper bucket, arrange blow-off pipe bottom taper bucket, blow-off pipe and jelly suction pipe UNICOM, jelly suction pipe is provided with and takes out stock pump, according to the needs of different quantity of wastewater effluent, slurry tank can be two, also can be three, four or five, the blow-off pipe bottom each slurry tank all with jelly suction pipe UNICOM.Dig a hole on the ground near each operation sewage draining exit, be arranged in hole by this device, be arranged on more than ground by originally taking out stock pump, other positions are all arranged on underground, namely do not take up room like this, reach again the object of disposing of sewage.
Patent CN202155078U discloses a kind of material setting tank, belongs to chemical machinery field, is specifically related to a kind of raw material precipitation apparatus.It comprises tank body, and opening for feed is offered at the top of tank body, offers discharge port below the sidewall of tank body, and the bottom of tank body is cone surface, and the bottom center of tank body is offered and let out silt mouth, lets out installation on silt mouth and lets out silt valve.Bottom can be sunk in slurry tank without the macromole heavy ingredient in the liquid material of fully dissolving, then discharge or return defeated time stirred pot continuation stirring by letting out silt mouth and letting out silt valve, homogeneous liquid material at the middle and upper levels outputs to next process by discharge port, ensure that the homogeneous quality that material supplies.Discharge port arranges filtering net, can ensure to tackle the residue of alluvial in tank base, it can not be made to output to next process from discharge port in the lump.
Certainly, two above-mentioned patents, it is all judge water-oil interface by profit liquidometer intrinsic on slurry tank body, because liquidometer exists error, " in oil mixed with water, water band oil " problem is there is respectively by the profit after slurry tank is separated, pollute the filtrate of downstream filter equipment, can not ensure to locate wastewater treatment efficiency, still to environment.
Patent CN203663504U discloses a kind of slurry tank float apparatus for collecting oil, comprise slurry tank, main oil pipeline is provided with in slurry tank, main oil pipeline connects rotary joint, the other end vertical connecting pipeline of rotary joint, vertical pipeline connecting tee, the other two ends of threeway connect two symmetrical pipe layings respectively, two pipe laying upper ends are equipped with save oil pan, save oil pan by teleflex with accompanying the float of thermosphere to be connected, companion's thermosphere is connected with the companion's hot line on save oil pan, companion's hot line is wrapped on pipe laying, companion's hot line on pipe laying and the companion's hot line on main oil pipeline again rotary joint place are linked together by rubber hose, the water-in of companion hot line end is positioned at outside the sidewall of slurry tank.During use, when being filled with mixing liquid in slurry tank, the float in slurry tank floats by buoyancy, does not now arrange oil slick; When after oily water separation, oil product is in upper strata, save oil pan is immersed in oil reservoir collects surperficial oil slick.Formed if any ageing oil, can be heated it by this device, oil reservoir will be solidified and dissolve into liquid state and again collect; When upper strata oil slick is received only, stop oil extraction.
This utility model is convenient to oil product from defeated to the collection tank in tank, is a kind of receipts oil equipment of efficient, energy-conservation environmental protection again.Companion's hot line of this device is arranged in around save oil pan, pipe laying and main oil pipeline, is convenient to dissolve into liquid state again collect solidifying oil reservoir.
Rely on profit liquidometer to judge water-oil interface although above-mentioned patent can overcome, avoid " in oil mixed with water, water band oil " problem to occur, complicated structure.
And existing slurry tank, be all by manually turning oil, turn water workload greatly, there is the error of manual operation, increase processing cost, inefficiency simultaneously substantially.
Utility model content
The purpose of this utility model is to provide simple also can not being counted by oil-water fluid position of a kind of structure judge that water-oil interface perfect can realize the device of oily water separation.
For this reason, the utility model provides a kind of recovered water receiving tank with oil-water separating function, comprise the feed liquor pipeline on tank body, tank body and fluid pipeline, described fluid pipeline comprises the water outlet pipeline of delivery pipeline and n shape tube shape, and the water outlet pipeline of described delivery pipeline and n shape tube shape is connected on tank body.
The water-in of the water outlet pipeline of described n shape tube shape arranges horizontal section, and this horizontal section is connected to the bottom of tank body.
Described delivery pipeline is connected horizontally on the top of tank body, and the position of delivery pipeline is higher than the vertex of the water outlet pipeline of n shape tube shape.
Described tank body is also connected with overflow line, and described overflow line is connected horizontally on tank body top, and overflow line is higher than delivery pipeline.
Described overflow line is provided with valve.
Described tank body top is communicated with by balancing pipeline with the top of the water outlet pipeline of n shape tube shape.
Described tank base level connection joint has blowdown pipeline, and described blowdown pipeline is provided with valve.
Described feed liquor pipeline comprises independently clear water pipeline and recovered water pipeline.
Described feed liquor pipeline and fluid pipeline are all provided with valve.
The beneficial effects of the utility model: this recovered water receiving tank with oil-water separating function of the present utility model, be provided with the water outlet pipeline of n shape tube shape, utilize the principle of profit density difference, U-shaped pipe, achieve oily water separation, problem that the profit thoroughly solved after separation occurs respectively " in water band oil, oil mixed with water ", protects physical environment;
Additionally by the oily water separation of machinery, achieve automatic oil draining, automatically turn water, reduce labor workload, reduce running cost.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
Description of reference numerals: 1, feed liquor pipeline; 2, blowdown pipeline; 3, the water outlet pipeline of n shape tube shape; 4, delivery pipeline; 5, overflow line; 6, tank body; 7, pipeline is balanced.
Embodiment
In conjunction with the disposal status of current Produced Water In Oil-gas Fields, Ngi, " in water band oil, oil mixed with water " problem is there is respectively for the profit after logical slurry tank is separated, the utility model imagination have developed a kind of recovered water receiving tank of water discharge line of band " n shape pipe ", problem that profit after thorough solution is separated occurs respectively " in water band oil, oil mixed with water ", ensures the treatment effect of Produced Water In Oil-gas Fields, Ngi.Meanwhile, in the past artificial oil extraction, turn water and all realize automatic oil draining, Auto-drainage, effectively prevent the error of manual operation.
Embodiment 1:
The present embodiment is for the problems referred to above, a kind of recovered water receiving tank with oil-water separating function is provided, as shown in Figure 1, comprise the feed liquor pipeline 1 on tank body 6, tank body 6 and fluid pipeline, described fluid pipeline comprises the water outlet pipeline 3 of delivery pipeline 4 and n shape tube shape, and the water outlet pipeline 3 of described delivery pipeline 4 and n shape tube shape is connected on tank body 6.
Utilize profit density difference, oil on top, water is in bottom, utilize the principle of U-shaped pipe, " n shape pipe " back with water inlet line is positioned at tank body 6 bottom, the position of the distance above 1m in ground, when the pressure of water column during " pressure of the pressure+oil column of water column " in oil-containing recovered water receiving tank and tank body 6 is greater than " n shape pipe ", the water of oil-containing does not enter upstream device by " n shape pipe ".
Embodiment 2:
On the basis of embodiment 1, the water-in of the water outlet pipeline 3 of n shape tube shape arranges horizontal section, and this horizontal section is connected to the bottom of tank body 6.
Delivery pipeline 4 is connected horizontally on the top of tank body 6, and the position of delivery pipeline 4 is higher than the vertex of the water outlet pipeline 3 of n shape tube shape.
Due to profit density difference, oil on top, water in bottom, collection tube line is arranged on the top of tank body, is conducive to the oil recovery at tank body top.
Embodiment 3:
On the basis of embodiment 1 and 2, tank body 6 is also connected with overflow line 5, and described overflow line 5 is connected horizontally on tank body 6 top, and overflow line 5 is higher than delivery pipeline 4, and overflow line 5 is provided with valve.Because the flow containing recovered water may sometimes can be larger, tank body 6 can be easy to be full of, such overflow line 5 be installed and can prevent tank body 6 to overflow tank.
Embodiment 4:
Further, tank body 6 top is communicated with by balancing pipeline 7 with the top of the water outlet pipeline 3 of n shape tube shape, pipeline 7 is pressure-equalizing lines, mainly balance in order to ensure water outlet pipeline 3 top of n shape tube shape and tank body 6 top pressure, so water outlet pipeline 3 top of n shape tube shape and tank body 6 top are communicated with by balancing pipeline 7.
Tank body 6 bottom level is connected with blowdown pipeline 2, and described blowdown pipeline 2 is provided with valve, and the mud of tank body 6 inside deposition is once cleared up over time, and mud can enter the sludge sump in downstream by blowdown pipeline 2.
Embodiment 5:
Below in conjunction with specific embodiment, oily water separation principle of the present utility model is described:
First the height defining the apogee distance ground of the water outlet pipeline 3 of n shape tube shape is h1, and the height of delivery pipeline 4 is h2, supposes when the oil column height in reception water pot is 0.5m, start to carry out oil extraction operation, the water colunm height defined in now tank body 6 is h3, then have
H2=h3+0.5(recovered water receiving tank day-to-day operation calculates according to tank body maximum volume 75%, corresponding height).
H1=h3+ (h2-h3) d oil/d water,
I.e. h1=h3+0.5 d oil/d water,
In formula: d oil---the density of oil under operational condition;
D water---the density of water under operational condition;
Under oily water separation step is:
1, water filling.
At oil-containing recovered water receiving tank and tank body 6 before reception oil-containing recovered water, first note clear water is carried out to tank body 6, from feed liquor pipeline 1, clear water is slowly injected tank body 6, until the liquid level of clear water floods the water-in of the water outlet pipeline 3 of n shape tube shape, now just can stop noting clear water, start to note oil-containing recovered water.
2, oil-containing recovered water is noted.
Oil recovered water is by tank car roping or manage defeated mode to produced water disposal station, from feed liquor pipeline 1, oil-containing recovered water is slowly injected tank body 6.
3, oily water separation.
Because oil is different with water-mass density, oil can swim in above water, so the oil-containing recovered water injected, in water droplet and the clear water of below mixes, and oil droplet moves upward, and swims on the water surface.
4, the water outlet pipeline of n shape tube shape is full of.
Because water is in below, oil up, and this state can not change, so get more and more along with oil-containing recovered water injects, the water of below also gets more and more, and as shown in Figure 1, water can enter the left-half of the water outlet pipeline 3 of n shape tube shape, until the left-half of the water outlet pipeline 3 of n shape tube shape is full of, and now in tank body 6 pressure of water column and the pressure sum of oil column equal the pressure of the water column of the water outlet pipeline 3 of n shape tube shape.
Because oil is different with the density of water, pressure is identical, then the height sum of the height and oil column that calculate water column in tank body 6 is greater than the water colunm height of the water outlet pipeline 3 of n shape tube shape, and according to design of the present utility model, now difference of altitude is 0.5m.、
After injecting oil-containing recovered water in continuation, along with water and oily increase, water can discharge from the water outlet pipeline 3 of n shape tube shape, enters downsteam processing facilities; And fluid can be discharged from delivery pipeline 4, enter the buried of downstream and turn oil tank, be for further processing, finally reach the object of collecting respectively of profit, realize oily water separation.
Because the first step of oily water separation and second step are injected clear water and oil-containing recovered water respectively, and be all injected by feed liquor pipeline 1, under normal circumstances, inject after should needing two kinds of liquid to be accessed respectively feed liquor pipeline 1, here feed liquor pipeline 1 is divided into independently clear water pipeline and recovered water pipeline by the present embodiment, so independently pipeline can realize the injection of different liqs, eliminates much unnecessary step and trouble.
Feed liquor pipeline 1 and fluid pipeline are all provided with valve.During normal production run, the water outlet pipeline 3 of n shape tube shape, the valve of delivery pipeline 4 are all in normally open.When tank body 6 inner fluid face is higher than delivery pipeline 4 oil-in, oil enters the buried of downstream by delivery pipeline 4 and turns oil tank.When " pressure of the pressure+oil column of water column " in reception water pot and tank body 6 is greater than the pressure of water column in the water outlet pipeline 3 of n shape tube shape, the water after separation enters the equipment in downstream by the water outlet pipeline 3 of n shape tube shape.
In sum; this recovered water receiving tank with oil-water separating function of the present utility model; be provided with the water outlet pipeline of n shape tube shape; utilize the principle of profit density difference, U-shaped pipe; achieve oily water separation, problem that the profit thoroughly solved after separation occurs respectively " in water band oil, oil mixed with water ", protects physical environment; reduce labor workload, reduce running cost.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.
Claims (9)
1. one kind has the recovered water receiving tank of oil-water separating function, comprise the feed liquor pipeline (1) on tank body (6), tank body (6) and fluid pipeline, it is characterized in that: described fluid pipeline comprises the water outlet pipeline (3) of delivery pipeline (4) and n shape tube shape, the water outlet pipeline (3) of described delivery pipeline (4) and n shape tube shape is connected on tank body (6).
2. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: the water-in of the water outlet pipeline (3) of described n shape tube shape arranges horizontal section, and this horizontal section is connected to the bottom of tank body (6).
3. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described delivery pipeline (4) is connected horizontally on the top of tank body (6), and the position of delivery pipeline (4) is higher than the vertex of the water outlet pipeline (3) of n shape tube shape.
4. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described tank body (6) is also connected with overflow line (5), described overflow line (5) is connected horizontally on tank body (6) top, and overflow line (5) is higher than delivery pipeline (4).
5. there is the recovered water receiving tank of oil-water separating function as claimed in claim 4, it is characterized in that: described overflow line (5) is provided with valve.
6. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described tank body (6) top is communicated with by balancing pipeline (7) with the top of the water outlet pipeline (3) of n shape tube shape.
7. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described tank body (6) bottom level is connected with blowdown pipeline (2), and (2) are provided with valve to described blowdown pipeline.
8. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described feed liquor pipeline (1) comprises independently clear water pipeline and recovered water pipeline.
9. there is the recovered water receiving tank of oil-water separating function as claimed in claim 1, it is characterized in that: described feed liquor pipeline (1) and fluid pipeline are all provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672528.9U CN204251381U (en) | 2014-11-12 | 2014-11-12 | A kind of recovered water receiving tank with oil-water separating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420672528.9U CN204251381U (en) | 2014-11-12 | 2014-11-12 | A kind of recovered water receiving tank with oil-water separating function |
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| Publication Number | Publication Date |
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| CN204251381U true CN204251381U (en) | 2015-04-08 |
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| CN201420672528.9U Expired - Fee Related CN204251381U (en) | 2014-11-12 | 2014-11-12 | A kind of recovered water receiving tank with oil-water separating function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828991A (en) * | 2015-05-07 | 2015-08-12 | 中国海洋石油总公司 | Discharging system for offshore platform |
| CN109231649A (en) * | 2018-11-13 | 2019-01-18 | 安徽泓济环境科技有限公司 | A kind of sewage grease separation system |
| CN110217943A (en) * | 2019-06-10 | 2019-09-10 | 浙江博聚新材料有限公司 | A kind of oil-containing industrial water processing unit and processing method |
-
2014
- 2014-11-12 CN CN201420672528.9U patent/CN204251381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828991A (en) * | 2015-05-07 | 2015-08-12 | 中国海洋石油总公司 | Discharging system for offshore platform |
| CN109231649A (en) * | 2018-11-13 | 2019-01-18 | 安徽泓济环境科技有限公司 | A kind of sewage grease separation system |
| CN110217943A (en) * | 2019-06-10 | 2019-09-10 | 浙江博聚新材料有限公司 | A kind of oil-containing industrial water processing unit and processing method |
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Granted publication date: 20150408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |