CN202080926U - Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank - Google Patents
Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank Download PDFInfo
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- CN202080926U CN202080926U CN 201120129294 CN201120129294U CN202080926U CN 202080926 U CN202080926 U CN 202080926U CN 201120129294 CN201120129294 CN 201120129294 CN 201120129294 U CN201120129294 U CN 201120129294U CN 202080926 U CN202080926 U CN 202080926U
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- water inlet
- sewage
- oil
- regulating tank
- collecting device
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Abstract
The utility model relates to a water inlet plate of a peripheral floating weir combined oil collecting device in a sewage adjusting tank. The water inlet plate consists of a top plate, a flange, a suspension piece, side plates and a bottom plate, the top plate is connected with the upper end of the suspension piece, the suspension piece is connected with the flange via a screw stem, a gap is formed between the top plate and the flange located below the top plate, so that sewage can flow out from the gap, the lower end of the flange is connected with the side plates, the lower ends of the side plates are connected with the bottom plate, a space among the suspension piece, the flange, the side plates and the bottom plate is a sewage channel, the bottom plate is connected with a short pipe, and the short pipe is communicated into the sewage channel. The peripheral floating weir combined oil collecting device with the water inlet plate can lead sewage with residual pressure to uniformly radially enter the periphery from the middle at a position slightly lower than liquid level, and pushes sump oil floating on water to peripheral oil collecting tanks.
Description
Technical field
The utility model belongs to equipment and safety and environmental protection field, can be applicable to the sewage disposal 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 enters the sewage-farm exists the water yield and the bigger characteristics of variation water quality, the adjusting facility is set the sewage-farm planted agent." petro-chemical waste water treatment design specifications " SH3095-2000 regulation, the adjusting facility volume of oil refining sewerage can be determined 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 most of oily water treatments 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 better than 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 interior floating-oil collector of closed tin.For this reason, domestic efforts at environmental protection person has done number of research projects, discloses some patented products, and has obtained application in project, 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 enter 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.
The utility model content
The purpose of this utility model is to provide the water inlet dish of the unsteady weir combination of a kind of sewage regulating tank inside circumference oil-collecting device.The unsteady weir combination of periphery oil-collecting device with this water inlet dish can make full use of the into overbottom pressure of water, make the sewage that has overbottom pressure a little less than the liquid level place, intake from the centre to peripheral radioactivity equably, push the sump oil that has emerged to peripheral oil trap, improve and receive oily efficient.It is a kind of oil oil-collecting device effective, simple in structure, easy for installation of receiving.
For achieving the above object, the utility model is achieved in that
The unsteady weir combination of sewage regulating tank inside circumference oil-collecting device, it is characterized in that: it comprise be arranged in the regulating tank and can be suspended in water inlet dish that the regulating tank intermediary can fluctuate with liquid level and around the unsteady oil trap in one week of tank skin, 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 by 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 by oil drain hose.
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 have the gap between the ring flange below the top board 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 equidistantly 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.
By said structure, advantage of the present utility model is:
The utility model makes full use of the into overbottom pressure of water, and sewage is intake from the centre to peripheral radioactivity equably, promotes oil slick and flows to peripheral oil trap, has improved and has received oily efficient; 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 levelness of tank level control integral body in the regulating tank, and the levelness of equipment integral is required to reduce greatly, make that the making of equipment is simpler, debugging is more prone to; The structure of water inlet dish is very simple, and low equipment investment is easy for installation.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the structural representation of water inlet dish in center in the utility model.
Fig. 4 is the attached view of Fig. 3.
Embodiment
See also Fig. 1-4, it is that the structural representation of a preferred embodiment is coiled in the water inlet that oil-collecting device is made up on the unsteady weir of the utility model sewage regulating tank inside circumference.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 unsteady oil trap 3 in one week of tank skin, 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 by 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 by 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 have the gap between the ring flange below the top board 12 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 peripheries equidistantly 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 utility model point of utility model 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, utilizes balancing weight to regulate when debugging.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 utility model point is the unsteady oil traps around one week of tank skin, and medial and lateral are receives oily crest of weir, and two-way oil-feed makes the sump oil on whole surface all can enter 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 by buoyancy calculation, and leaves surplus, utilizes balancing weight to regulate when debugging, 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 utility model point is to establish the ring-type rising pipe near the periphery place at the bottom of jar, the feed water flow that goes out current direction and top that makes the bottom is to identical, form the best water flow state of " center water inlet, the fuel-displaced and water outlet of periphery ", 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 compared as follows:
Adopt the unsteady weir of periphery of the present utility model 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 enter oil trap on the liquid level; When liquid level is reduced to 13m when following, near water outlet place oil slick to the distance of water outlet just less than distance to oil trap, go out the velocity of flow that current will weaken oil slick.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 only is 58.4%; The gross weight of this kind equipment is more than 10 tons.
Claims (3)
1. the water inlet dish of oil-collecting device is made up on the unsteady weir of sewage regulating tank inside circumference, and 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) and suspensoid (14) upper end is connected, and suspensoid (14) utilizes screw rod to be connected with ring flange (12), top board (11) and be positioned between the ring flange (12) below the top board and have the gap; 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).
2. the water inlet dish of the unsteady weir combination of sewage regulating tank inside circumference according to claim 1 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).
3. the water inlet dish of the unsteady weir 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 equidistantly 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120129294 CN202080926U (en) | 2011-04-28 | 2011-04-28 | Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120129294 CN202080926U (en) | 2011-04-28 | 2011-04-28 | Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202080926U true CN202080926U (en) | 2011-12-21 |
Family
ID=45341567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120129294 Expired - Lifetime CN202080926U (en) | 2011-04-28 | 2011-04-28 | Water inlet plate of peripheral floating weir combined oil collecting device in sewage adjusting tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202080926U (en) |
-
2011
- 2011-04-28 CN CN 201120129294 patent/CN202080926U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC Shanghai Engineering Company Limited Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: Sinopec Shanghai Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20111221 |
|
| CX01 | Expiry of patent term |