CN102757110A - Combined oil collecting device of peripheral floating weir in sewage regulating tank - Google Patents
Combined oil collecting device of peripheral floating weir in sewage regulating tank Download PDFInfo
- Publication number
- CN102757110A CN102757110A CN2011101074634A CN201110107463A CN102757110A CN 102757110 A CN102757110 A CN 102757110A CN 2011101074634 A CN2011101074634 A CN 2011101074634A CN 201110107463 A CN201110107463 A CN 201110107463A CN 102757110 A CN102757110 A CN 102757110A
- Authority
- CN
- China
- Prior art keywords
- oil
- regulating tank
- sewage
- water inlet
- oil collecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to a combined oil collecting device of a peripheral floating weir in a sewage regulating tank. The combined oil collecting device of the peripheral floating weir in the sewage regulating tank comprises a water inlet plate, a floating oil collecting tank, a water inlet master pipe and a water outlet loop tube, wherein the water inlet plate suspends in the middle of the regulating tank and can flow up and down along with the liquid level; the floating oil collecting tank encircles the tank wall a circle; the water inlet plate comprises a suspension body and a sewage channel arranged around the suspension body, and a short pipe arranged at the bottom part of the sewage channel is connected with the water inlet master pipe through a water inlet hose, so that the sewage uniformly enters from the middle to the periphery in a radioactive manner, and surfaced sump oil is pushed towards the periphery; the floating oil collecting tank comprises an oil collecting tank and the suspension body; the oil collecting weir inlets are arranged inside and outside the oil collecting tank; the suspension body is connected with the oil collecting tank, and an oil discharge outlet of the oil collecting tank is connected to an oil outlet of the regulating tank through an oil discharge hose. The combined oil collecting device of the peripheral floating weir in the sewage regulating tank is the oil collecting device, which is good in oil collecting effect, simple in structure and convenient to install, and does not generate partial flow and short flow.
Description
Technical field
The invention belongs to equipment and safety and environmental protection field, can be applicable to the WWT of the oily(waste)water of generations such as oil production, oil refining and oil depot.
Background technology
In view of the oily(waste)water that gets into the sewage-farm exists the water yield and the bigger characteristics of variation water quality, the planted agent is provided with the adjusting facility in the sewage-farm." petro-chemical waste water treatment design specifications " SH3095-2000 regulation, the adjusting facility volume of oil refining sewerage can be confirmed by the designed water of 16h～24h.In order to save occupation of land, to improve processing efficiency, over past ten years, the adjusting facility of domestic majority oily water treatment field adopts dome-roof tank, promptly is called regulating tank.Because sewage residence time in regulating tank is very long, the sump oil overwhelming majority who exists with oil slick and dispersed oil form in the sewage can emerge.Facts have proved that its separating effect is superior to parallel flow intercepter and inclined plate grease pond greatly.So, rationally remove the oil slick in the regulating tank, can make regulating tank play the effect of water yield adjusting and oil removal simultaneously.
Regulating tank is a liquid level variable, is different from the oil trap Oil scraper that has been mature on the whole, need develop and satisfy the liquid level variable function and be applied to the floating-oil collector in the closed tin.For this reason, domestic efforts at environmental protection person has done number of research projects, discloses some patented products, and in project, has obtained application, has solved this problem to a certain extent.But practical application is found still to come with some shortcomings, as: the surface is unpowered, and it is long-pending less to receive pasta; The regulating tank surface exists receives oily dead angle, and the oil slick of part surface can't get into oil recovery appts.; When liquid level was low, sewage produced short stream and bias current in the regulating tank, causes oil slick to flow out with water outlet; Structure is complicated, has not only increased investment, has also increased the workload of installation etc.
Summary of the invention
The object of the present invention is to provide the unsteady weir combination of a kind of sewage regulating tank inside circumference oil-collecting device; Mainly solve the existing defective of floating oil collecting device of existing regulating tank, it be a kind of receive oil effective, receive the no dead angle of oil, simple in structure, oil-collecting device that facility investment is few, easy for installation.
For realizing above-mentioned purpose, the present invention is achieved in that
The sewage regulating tank inside circumference weir combination oil-collecting device that floats is characterized in that: it comprises and is suspended in water inlet dish that the regulating tank intermediary can fluctuate with liquid level and around the tank skin unsteady oil trap in one week, this regulating tank bottom has water inlet manifold and water outlet endless tube;
Described water inlet dish comprises suspensoid and is arranged on suspensoid sewage routeway on every side; The short tube that the sewage routeway bottom is provided with is connected with water inlet manifold through water supply hose; So that sewage evenly intakes from the centre to peripheral radioactivity, and the sump oil that will emerge is released towards periphery;
Described unsteady oil trap comprises the inside and outside oil trap of receiving oily crest of weir and the suspensoid that is connected with oil trap of being, and the oil discharge outlet of described oil trap is connected to the oil outlet of regulating tank through oil drain hose.
The unsteady weir combination of described sewage regulating tank inside circumference oil-collecting device, it is characterized in that: described water inlet dish is made up of top board, ring flange, suspensoid, side plate and base plate; This top board and suspensoid upper end is connected, and suspensoid utilizes screw rod to be connected with ring flange, and top board and between the ring flange below the top board, have the gap makes the sewage can be from the gap outflow of top board and ring flange; Described ring flange lower end connects side plate, and the side plate lower end connects base plate, and the space between suspensoid and ring flange, side plate, the base plate is a sewage routeway; Be connected with short tube on the described base plate, this short tube is communicated in the sewage routeway.Described ring flange upper end periphery is connected with guide ring, and this guide ring is set in and is arranged on the regulating tank intermediary vertical guideway.Described ring flange upper end periphery equidistance is connected with a plurality of guide rings, and described guide ring all is set on the vertical guideway that is arranged at the middle corresponding position of regulating tank.
The unsteady weir combination of described sewage regulating tank inside circumference oil-collecting device is characterized in that: described oil trap can adopt stainless steel plate welding or stainless steel pipes cutting to form, and lateral layout becomes inclined-plane or arcuate structure.
The unsteady weir combination of described sewage regulating tank inside circumference oil-collecting device is characterized in that: described oil trap is by horizontally-guided arm location, and described horizontally-guided arm makes oil trap be in a jar periphery.
The unsteady weir combination of described sewage regulating tank inside circumference oil-collecting device, it is characterized in that: described water outlet endless tube is arranged on the periphery of regulating tank bottom, arranges some posticums equably on the described water outlet endless tube.
By said structure, the invention has the advantages that:
The water inlet dish that the present invention comprises makes full use of the into overbottom pressure of water, and sewage is intake from the centre to peripheral radioactivity equably, and the sump oil that has emerged is released to peripheral oil trap, has improved and has received oily efficient; Oil trap has the longest receipts oil crest of weir along the periphery setting, can more promptly collect oil slick; The two-way oil-feed in the medial and lateral of oil trap, the oil slick of whole liquid level can all reclaim, and does not stay the dead angle; Jar end, set out the water ring pipe, and the feed water flow that goes out current direction and top that makes the bottom can effectively prevent the oily phenomenon of race that short stream of sewage and bias current cause to identical; There is not web member between periphery oil trap and the center water inlet dish; Fully independently peripheral oil trap and center water inlet dish mainly rely on the whole levelness of tank level control in the regulating tank, to the levelness requirement reduction greatly of equipment integral; Make that the making of equipment is simpler, debugging is more prone to; The structure of oil trap and water inlet dish is very simple, and the material of consumption reduces 30%-50% than equipment of the same type, and facility investment can reduce greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of water inlet dish in center among the present invention.
Fig. 4 is the view that attaches of Fig. 3.
Embodiment
See also Fig. 1-4, it is the structural representation of the unsteady weir combination of sewage regulating tank inside circumference of the present invention oil-collecting device one preferred embodiment.As shown in the figure: it comprises and is suspended in water inlet dish 1 that the regulating tank intermediary can fluctuate with liquid level and around the tank skin unsteady oil trap 3 in one week, this regulating tank bottom has water inlet manifold 7 and water outlet endless tube 10.
Described water inlet dish 1 comprises suspensoid 14 and is arranged on suspensoid sewage routeway 13 on every side; The short tube 15 that the sewage routeway bottom is provided with is connected with water inlet manifold 7 through water supply hose 8; So that sewage evenly intakes from the centre to peripheral radioactivity, and the sump oil that will emerge is released towards periphery;
Described unsteady oil trap comprises the inside and outside oil trap 3 of receiving oily crest of weir and the suspensoid 9 that is connected with oil trap of being, and the oil discharge outlet 4 of described oil trap 3 is connected to the oil outlet 6 of regulating tank through oil drain hose 5.
See also Fig. 3, described water inlet dish 1 is made up of top board 11, ring flange 12, suspensoid 14, side plate 18 and base plate 16; This top board 11 is connected with suspensoid 14 upper ends, and suspensoid 14 utilizes screw rod to be connected with ring flange 12, and top board 11 and between the ring flange below the top board 12, have the gap can flow out sewage from the top board 11 and the gap of ring flange 12; Described ring flange 12 lower ends connect side plate 18, and side plate 18 lower ends connect base plate 16, and the space between suspensoid 14 and ring flange 12, side plate 18, the base plate 16 is a sewage routeway 13; Be connected with short tube 15 on the described base plate 16, this short tube is communicated in the sewage routeway 13.
See also Fig. 4 again, described ring flange 12 upper end peripheries are connected with guide ring 17, and this guide ring 17 is set in and is arranged on the regulating tank intermediary vertical guideway 2.Described ring flange 12 upper end periphery equidistance are connected with a plurality of guide rings 17, and described guide ring 17 all is set on the vertical guideway 2 that is arranged at the middle corresponding position of regulating tank (as there being three among Fig. 4).
See also Fig. 2 again, described oil trap 3 is by some horizontally-guided arms 19 location (as there being four among Fig. 2), and described horizontally-guided arm 19 makes oil trap be in the regulating tank periphery.
One of inventive point of invention is to be suspended in regulating tank intermediary water inlet dish, can make the sewage that has overbottom pressure a little less than the liquid level place, intake from the centre to peripheral radioactivity equably, pushes the sump oil that has emerged to peripheral oil trap.Because sewage synusia shape flows out, and belongs to laminar flow regime, the oil reservoir that can disturbance floated.According to shallow pool theory, the time and the degree of depth that oil droplet emerges are inversely proportional to, and can accelerate oil droplet from intaking near liquid level and emerge.The water inlet dish can adopt stainless steel sheet, glass reinforced plastic or plastic material to make, and the weight of air cavity or floating drum support water inlet dish is established in inside, and the volume of air cavity is definite according to buoyancy calculation, and leaves certain surplus, when debugging, utilizes balancing weight to regulate.The water inlet dish is spacing by three or four guide rods that are fixed in the bottom, makes it be suspended in a jar centre.
Two of inventive point is around the tank skin unsteady oil trap in one week, and medial and lateral are receives oily crest of weir, and two-way oil-feed makes the sump oil on whole surface all can get into oil trap, does not stay the dead angle.Oil trap can adopt stainless steel plate welding or stainless steel pipes cutting to form, and lateral layout becomes inclined-plane or arcuate structure, helps sump oil and flows into.Oil trap utilizes built-in air cavity or external floating drum that it is bubbled through the water column; The volume of air cavity or floating drum is definite through buoyancy calculation, and leaves surplus, when debugging, utilizes balancing weight to regulate; The crest of weir height that makes oil trap is between oil reservoir and water layer, and the maintenance balance.In addition, when the diameter of regulating tank was big, the oil gathering from looped well groove can be separated into plurality of sections, to reduce the requirement to levelness.Take the horizontally-guided arm to make oil trap be in a jar periphery, oil trap can freely be fluctuated, but can not collide tank skin and rollover.There is not web member between periphery oil trap and the center water inlet dish, independent fully.
Three of inventive point is at the bottom of jar, to establish the ring-type rising pipe near perimeter, and the feed water flow that goes out current direction and top that makes the bottom forms the best water flow state of " center water inlet, the fuel-displaced and water outlet of periphery " to identical, and generation makes oil slick flow to the auxiliarypower of oil trap.Especially when water level is low, can effectively prevent the race oil phenomenon that short stream of sewage and bias current cause.
When the regulating tank volume is 10000m
3The time, the diameter of regulating tank is generally 27.5m, and the tank skin height is 17.82m, and top water-level is 16.82m.Effect is following:
Adopt the unsteady weir of periphery of the present invention oil recovery appts., whole liquid level does not have the dead angle, and the receipts pasta is long-pending to reach 100%; Owing to take the mode of center water inlet, peripheral effluent, liquid level can not produce short stream and bias current, so the capacity utilization that regulating tank has under the oily efficient situation of good receipts is 82.2% in the range of 3m～16.82m; Comprise into water dish, oil trap, guide rod, floating drum, inlet and outlet pipe lines and flexible pipe etc. all accessories interior, 10000m
3The gross weight of the unsteady weir of the periphery of regulating tank oil recovery appts. is no more than 8 tons.
For oil-collecting device of the same type, there is 5%～10% oil slick can't get into oil trap on the liquid level; When liquid level is reduced to 13m when following, just less than distance, go out the velocity of flow that current will weaken oil slick to oil trap near the distance of water outlet place oil slick to water outlet.Reduce to 7m when following when liquid level, will produce more serious short stream and bias current phenomenon in the regulating tank.So the capacity utilization that regulating tank has under the oily efficient situation of good receipts is merely 58.4%; The gross weight of this kind equipment is more than 10 tons.
Claims (7)
1. oil-collecting device is made up on the unsteady weir of sewage regulating tank inside circumference; It is characterized in that: it comprises and is suspended in water inlet dish (1) that the regulating tank intermediary can fluctuate with liquid level and around the tank skin unsteady oil trap (3) in one week, this regulating tank bottom has water inlet manifold (7) and water outlet endless tube (10); Described water inlet dish (1) comprises suspensoid (14) and is arranged on suspensoid sewage routeway (13) on every side; The short tube (15) that the sewage routeway bottom is provided with is connected with water inlet manifold (7) through water supply hose (8); So that the water inlet dish is evenly from the water inlet of peripheral radioactivity, and the sump oil that will emerge is released towards periphery; Described unsteady oil trap comprises the inside and outside oil trap (3) of receiving oily crest of weir and the suspensoid (9) that is connected with oil trap of being, and the oil discharge outlet (4) of described oil trap (3) is connected to the oil outlet (6) of regulating tank through oil drain hose (5).
2. the unsteady weir combination of sewage regulating tank inside circumference according to claim 1 oil-collecting device, it is characterized in that: described water inlet dish (1) is made up of top board (11), ring flange (12), suspensoid (14), side plate (18) and base plate (16); This top board (11) is connected with suspensoid (14) upper end; Suspensoid (14) utilizes screw rod to be connected with ring flange (12); Top board (11) and be positioned between the ring flange (12) of top board below and have the gap can flow out sewage from the top board (11) and the gap of ring flange (12); Described ring flange (12) lower end connects side plate (18), and the side plate lower end connects base plate (16), and the space between suspensoid (14) and ring flange (12), side plate (18), the base plate (16) is sewage routeway (13); Be connected with short tube (15) on the described base plate (16), this short tube is communicated in the sewage routeway (13).
3. the unsteady weir combination of sewage regulating tank inside circumference according to claim 2 oil-collecting device; It is characterized in that: described ring flange (12) upper end periphery is connected with guide ring (17), and this guide ring (17) is set in and is arranged on the regulating tank intermediary vertical guideway (2).
4. the unsteady weir of the periphery of sewage regulating tank according to claim 3 oil-collecting device; It is characterized in that: described ring flange (12) upper end periphery equidistance is connected with a plurality of guide rings (17), and described guide ring (17) all is set on the vertical guideway (2) that is arranged at the middle corresponding position of regulating tank.
5. the unsteady weir combination of sewage regulating tank inside circumference according to claim 1 oil-collecting device, it is characterized in that: described oil trap lateral layout becomes inclined-plane or arcuate structure.
6. the unsteady weir combination of sewage regulating tank inside circumference according to claim 5 oil-collecting device, it is characterized in that: described oil trap (3) is by some horizontally-guided arms (19) location, and described horizontally-guided arm (19) makes oil trap be in the regulating tank periphery.
7. the unsteady weir combination of sewage regulating tank inside circumference according to claim 1 oil-collecting device, it is characterized in that: described water outlet endless tube (10) is arranged on the periphery of regulating tank bottom, arranges some posticums equably on the described water outlet endless tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101074634A CN102757110B (en) | 2011-04-28 | 2011-04-28 | Combined oil collecting device of peripheral floating weir in sewage regulating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101074634A CN102757110B (en) | 2011-04-28 | 2011-04-28 | Combined oil collecting device of peripheral floating weir in sewage regulating tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102757110A true CN102757110A (en) | 2012-10-31 |
| CN102757110B CN102757110B (en) | 2013-12-11 |
Family
ID=47051800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101074634A Active CN102757110B (en) | 2011-04-28 | 2011-04-28 | Combined oil collecting device of peripheral floating weir in sewage regulating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102757110B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348340A (en) * | 2020-03-09 | 2020-06-30 | 上海和达化工石油工程技术有限公司 | Efficient storage tank connects liquid floating plate entirely |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154464A (en) * | 1991-12-03 | 1993-06-22 | Kurita Water Ind Ltd | Treatment of fat and oil containing waste water |
| CN2418368Y (en) * | 2000-03-28 | 2001-02-07 | 罗固事 | Vacuum oil-filtering machine |
| CN2837290Y (en) * | 2005-09-20 | 2006-11-15 | 张煜 | The oily(waste)water oil removal plant that floats |
| CN101696047A (en) * | 2009-10-15 | 2010-04-21 | 抚顺市明尧石油机械有限公司 | Floating DC oil collector |
-
2011
- 2011-04-28 CN CN2011101074634A patent/CN102757110B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05154464A (en) * | 1991-12-03 | 1993-06-22 | Kurita Water Ind Ltd | Treatment of fat and oil containing waste water |
| CN2418368Y (en) * | 2000-03-28 | 2001-02-07 | 罗固事 | Vacuum oil-filtering machine |
| CN2837290Y (en) * | 2005-09-20 | 2006-11-15 | 张煜 | The oily(waste)water oil removal plant that floats |
| CN101696047A (en) * | 2009-10-15 | 2010-04-21 | 抚顺市明尧石油机械有限公司 | Floating DC oil collector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111348340A (en) * | 2020-03-09 | 2020-06-30 | 上海和达化工石油工程技术有限公司 | Efficient storage tank connects liquid floating plate entirely |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102757110B (en) | 2013-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101879383B (en) | Turn-back flow high-efficiency rectangular double-layer settling pond | |
| CN102120646B (en) | Efficient anaerobic biological tower reactor | |
| CN104174193A (en) | Circular vertical flow type sedimentation basin | |
| CN110028154B (en) | Non-blocking water distribution anaerobic reaction device | |
| CN103301658A (en) | Efficient micro-resistance pulsating vortex sedimentation device | |
| CN206660759U (en) | Vertical sedimentation basin | |
| CN102757110B (en) | Combined oil collecting device of peripheral floating weir in sewage regulating tank | |
| CN205773819U (en) | High efficiency oil-water piece-rate system | |
| CN202387260U (en) | Coagulating sedimentation reactor | |
| CN201713366U (en) | Flow guide type tapered sedimentation tank | |
| CN202080926U (en) | Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank | |
| CN204147601U (en) | Circular vertical sedimentation basin | |
| CN106629956A (en) | Processing device for reducing sewage sludge | |
| CN206198783U (en) | Vertical sedimentation basin | |
| CN206173020U (en) | Special air supporting system of high concentration emulsion waste water | |
| CN102614687B (en) | Flotation feed desliming pool | |
| CN202519078U (en) | Novel and effective integration reaction precipitation device | |
| CN102861463B (en) | A kind of mobile cloth, water-collecting type sedimentation basin | |
| CN202410358U (en) | Upstream tailings pond return water treatment device | |
| CN206463554U (en) | A kind of high-efficiency swirl-type second pond | |
| CN205055505U (en) | A V type sedimentation tank for flocculating agent production | |
| CN204616602U (en) | A kind of water storage vertical shaft irrigation rig | |
| CN203256001U (en) | Oil separating tank | |
| CN206793122U (en) | Effluent settling chamber | |
| CN211133101U (en) | Sedimentation tank with mechanical sludge discharge device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant after: Sinopec Corp. Applicant after: SINOPEC Shanghai Engineering Company Limited Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Sinopec Shanghai Engineering Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |