CN214360395U - Arrangement structure of pre-settling oil separation tank - Google Patents
Arrangement structure of pre-settling oil separation tank Download PDFInfo
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- CN214360395U CN214360395U CN202023277598.9U CN202023277598U CN214360395U CN 214360395 U CN214360395 U CN 214360395U CN 202023277598 U CN202023277598 U CN 202023277598U CN 214360395 U CN214360395 U CN 214360395U
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Abstract
The utility model provides a preliminary sedimentation oil interceptor arrangement structure, including preliminary sedimentation oil interceptor, be provided with inlet opening, apopore and mud fill on the preliminary sedimentation oil interceptor, this preliminary sedimentation oil interceptor is close to water one side and is provided with the oil baffle, the oil baffle top exceeds the liquid level of preliminary sedimentation oil interceptor to separate the preliminary sedimentation oil interceptor for the oil removal settling zone and the pool of play of bottom intercommunication, inlet opening and apopore are located the different sides of oil baffle, inlet opening and oil removal settling zone intercommunication, apopore and pool of play intercommunication. The utility model discloses, to sink in advance and oil removal accomplish in same pond, separate for two regions through the fender oil board, arrange through business turn over water and optimize the flow state and make the even radial flow of formation in the pond, increase and effectively separate oil, deposit the area, oil slick, dross are held back on oil removal settling zone upper portion, and the great suspended solid of proportion sinks into the mud fill, improves oil removal and precipitation effect.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to oil interceptor arrangement structure sinks in advance.
Background
At present, the inlet water of sewage plants in small towns is faced with the problems of incomplete construction of external pipe networks of the plants, large fluctuation of water quality and water quantity, high concentration of floating oil, scum and suspended matters in sewage, and common doping of the inlet water in catering, bulk breeding of livestock and poultry, slaughter wastewater, small processing workshops and other industrial wastewater.
According to the sewage quality characteristics of small towns, sewage needs to be pretreated, oil separation and sedimentation are common pretreatment modes for sewage of the small towns at present, but an oil separation tank and a sedimentation tank are often arranged separately, so that the construction and the maintenance are not convenient, and the construction cost is increased. The sewage is pretreated by the sedimentation tank, and part of organic suspended matters are removed while inorganic suspended matters with large specific gravity are removed, so that the carbon source in the subsequent biochemical section is insufficient.
Disclosure of Invention
In view of the foregoing, the present invention is directed to a pre-settling oil separation tank arrangement structure, which is to pre-settle and complete oil separation in the same tank, thereby improving oil separation and sedimentation effects.
In order to achieve the above objects and other related objects, the technical solution of the present invention is as follows:
the utility model provides a preliminary sedimentation oil interceptor arrangement structure, includes preliminary sedimentation oil interceptor, be provided with inlet opening and apopore on the preliminary sedimentation oil interceptor, be provided with the oil baffle in this preliminary sedimentation oil interceptor, the oil baffle top is higher than the liquid level in preliminary sedimentation oil interceptor to separate preliminary sedimentation oil interceptor for the oil removal settling zone and the district of leaving water of bottom intercommunication, inlet opening and apopore are located the different sides that keep off the oil baffle, oil removal settling zone and inlet opening intercommunication, apopore and the district of leaving water intercommunication.
Optionally, the number of the water inlet holes is one, and the number of the water outlet holes is uniformly distributed.
Optionally, the water inlet hole and the water outlet hole are located on two adjacent sides or two opposite sides of the pre-settling oil separation tank.
Optionally, a grid channel is arranged on the upstream of the pre-settling oil separation tank, the grid channel is communicated with the oil separation settling zone through the water inlet hole, and the gap between grid bars in the grid channel is less than or equal to 5 mm.
Optionally, an adjusting tank is connected to the downstream of the pre-settling oil separation tank, and the adjusting tank is communicated with the water outlet area through the water outlet hole; and the regulating reservoir and the pre-settling oil separation reservoir are transversely arranged or longitudinally arranged.
Optionally, a mud bucket and a mud pipe are arranged at the bottom of the pre-settling oil separation tank.
Optionally, the oil baffle is arranged on one side of the pre-settling oil separation tank close to the water outlet end, and the oil baffle is of a steel concrete structure and is integrated with the tank body; or the oil baffle is a corrosion-resistant plate arranged on the tank body.
Optionally, the mud bucket at the bottom of the pre-settling oil separation tank is provided with an air stirring pipe for introducing air, and the air stirring pipe is connected to an aeration fan or a separately arranged stirring fan and plays a role in periodically and intermittently stirring the sludge to prevent hardening and simultaneously returning organic matters to the sewage to prevent carbon source loss.
Optionally, the distance between the oil baffle plate and the wall of the water outlet side of the pre-settling oil separation tank is 0.6-0.8 m; the top end of the oil baffle is higher than the liquid level of the pre-settling oil separation tank by at least 0.5m or is flush with the top of the tank, the distance from the bottom end of the oil baffle to the bottom of the water outlet hole is more than or equal to 1m, and the distance from the bottom end of the oil baffle to the mud bucket is 0.3-0.5 m.
Optionally, the sludge at the bottom of the sludge bucket is discharged through a sludge discharge pipe, and the sludge discharge mode is gravity sludge discharge or sludge discharge by arranging a sludge discharge pump.
As mentioned above, the utility model has the advantages that: the utility model discloses, to sink in advance and oil removal accomplish in same pond, separate for two regions through the fender oil board, oil slick, dross are held back on oil removal settling zone upper portion, and the great suspended solid of proportion sinks into the bottom, improves oil removal and precipitation effect.
Drawings
FIG. 1 is a schematic plan view of example 1;
FIG. 2 is a schematic view of the arrangement in elevation of embodiment 1;
FIG. 3 is a schematic plan view showing the arrangement of example 3;
description of reference numerals
1-a grid channel; 2-water inlet holes; 3-pre-settling an oil separation tank; 3 a-an oil removal settling zone; 3 b-a water outlet zone; 4-oil baffle; 5-water outlet; 6-a regulating tank; 7-water inlet pipe; 8-a grid; 9-a sludge pump; 10-a sludge discharge pipe; 11-air agitation pipe; 12-a mud bucket.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Example 1
As shown in fig. 1 and fig. 2, the arrangement structure of the pre-settling oil separation tank in this embodiment includes a pre-settling oil separation tank 3, a water inlet 2 and a water outlet 5 are provided on a tank body of the pre-settling oil separation tank 3, an oil baffle 4 is provided in the pre-settling oil separation tank 3 near a water outlet side, the oil baffle 4 is higher than a liquid level of the pre-settling oil separation tank 3 and divides the pre-settling oil separation tank 3 into an oil separation settling zone 3a and a water outlet zone 3b, wherein the bottoms of the oil separation settling zone 3a and the water outlet zone 3b are communicated, the water inlet 2 is communicated with the oil separation settling zone 3a, the water outlet 5 is communicated with the water outlet zone 3b, the water inlet 2 and the water outlet 5 are located on different sides of the oil baffle 4, and the oil baffle 4 separates the water inlet 2 from the water outlet 5.
Above-mentioned structure is separated for two regions through oil baffle 4, will sink in advance and oil removal accomplishes in same pond, and oil slick, dross are held back on oil removal settling zone 3a upper portion, and the oil slick, the dross of holding back can regularly be salvaged or get rid of, also can naturally decay in the pond, and the great suspended solid of proportion sinks the bottom, improves oil removal and precipitation effect.
The bottom of the pre-settling oil separation tank 3 is provided with a mud bucket 12 and a mud discharge pipe 10, suspended matters with large specific gravity are sunk into the mud bucket 12, mud in the mud bucket 12 is discharged through the mud discharge pipe 10, and gravity mud discharge or mud discharge by a mud discharge pump 9 can be adopted. In this example, the bottom of the mud bucket 12 is provided with a mud pump 9, the mud pump 9 is connected with a mud pipe 10, and the mud pipe 10 is provided with a valve. The sludge pump 9 may also be arranged outside the tank using a rotor pump or a centrifugal pump.
In this example, the number of the water inlet holes 2 is one, and the number of the water outlet holes 5 is uniformly distributed, so that uniform radial flow is formed in the tank, the effective oil separation and sedimentation area is increased, and the oil separation and sedimentation effects are improved.
In one embodiment, the downstream of the pre-settling oil separation tank 3 is connected with an adjusting tank 6, and the adjusting tank 6 is communicated with the water outlet zone 3b through a water outlet hole 5; the central elevation of the water inlet hole 2 and the water outlet hole 5 is suitable for the highest water level of the regulating pool 6. In this example, the water inlet hole 2 and the water outlet hole 5 are located on the opposite tank wall of the pre-settling oil separation tank 3, and the adjusting tank 6 and the pre-settling oil separation tank 3 are transversely arranged.
In one embodiment, the oil baffle plate 4 is arranged on the water outlet side of the pre-settling oil separation tank 3, and the oil baffle plate 4 is of a steel concrete structure and is integrated with the tank body and is constructed with the tank body at the same time; or the oil baffle 4 is a corrosion-resistant plate installed on the tank body, such as engineering plastics, stainless steel plates and the like, and the oil baffle 4 is installed after the tank body is constructed.
3 bottoms of preliminary sedimentation oil interceptor are provided with air mixing pipe 11 that is used for introducing the air, and air mixing pipe 11 stretches into mud bucket 12 bottom, and air mixing pipe 11's air can be provided by factory aeration fan or the stirring fan that sets up alone, stirs mud bucket 12 bottom mud through artifical or automatic control periodic introduction air, plays the effect that prevents mud 12 interior mud hardening and block up dredge pump 9, prevents carbon source loss in stirring the organic matter in the mud simultaneously and getting into sewage.
In this example, a grid channel 1 is arranged at the upstream of the pre-settling oil separation tank 3, a water inlet pipe 7 is arranged on the grid channel 1, the water inlet hole 2 is communicated with the grid channel 1, and the gap of a grid 8 in the grid channel 1 is less than or equal to 5 mm. The influent water gets into through grid clearance less than or equal to 5mm grid and gets rid of sewage behind the great suspended solid, gets into preliminary sedimentation oil interceptor 3 through inlet opening 2, carries out oil removal preliminary sedimentation preliminary treatment after, and the play water carries out quality of water volume through apopore 5 to equalizing basin and adjusts.
As shown in fig. 2, the distance L between the oil baffle 4 and the outlet side tank wall of the pre-settling oil separation tank 3 is 0.6-0.8 m; the top end of the oil baffle 4 is higher than the liquid level of the pre-settling oil separation tank 3 by at least 0.5m or is flush with the top of the tank, the distance from the bottom end of the oil baffle 4 to the bottom of the 5 holes of the water outlet hole is more than or equal to 1m, and the distance H from the slope surface of the mud bucket 12 is 0.3-0.5 m.
Example 2
As shown in fig. 3, the difference between this example and example 1 is that the water inlet hole 2 and the water outlet hole 5 are located on the two adjacent side walls of the pre-settling oil separation tank 3, and the adjusting tank 6 is connected with the side wall of the water outlet hole 5 and is arranged longitudinally with the pre-settling oil separation tank 3.
The utility model discloses, will sink in advance and separate oil and accomplish in same pond. By optimizing the arrangement of the water inlet 2 and the water outlet 5 of the pre-settling oil separation tank 3, the radial flow form is formed, the effective oil separation and settling area is increased, and the oil separation and settling effect is improved; the floating oil and the floating slag are intercepted at the upper part of the oil separation and sedimentation area 3a, and the suspended matters with larger specific gravity are sunk into the mud bucket 12; the intercepted floating oil and floating slag can be salvaged or removed periodically, and can also be naturally decomposed in the tank, and the sludge in the sludge hopper 12 is removed through a sludge discharge device; air is introduced through the air stirring pipe 11 to regularly stir the sludge pre-settled in the sludge hopper 12, so that the sludge in the sludge hopper 12 is prevented from hardening to block the sludge pump 9, and organic matters in the sludge are stirred to enter sewage to prevent carbon source loss.
Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a preliminary sedimentation oil interceptor arrangement structure which characterized in that: including the oil interceptor that sinks in advance, be provided with inlet opening and apopore on the oil interceptor that sinks in advance, this oil interceptor that sinks in advance is close to water one side and is provided with the oil baffle, the oil baffle top is higher than the liquid level in oil interceptor that sinks in advance to separate the oil interceptor for the oil interceptor settling zone and the district of giving out water of bottom intercommunication, inlet opening and apopore are located the different sides that keep off the oil baffle, inlet opening and oil interceptor intercommunication, apopore and the district of giving out water intercommunication.
2. The pre-settling oil interceptor arrangement of claim 1, wherein: the water inlet hole is one, and the apopore is a plurality of equipartition.
3. The pre-settling oil interceptor arrangement of claim 1, wherein: the water inlet hole and the water outlet hole are positioned at two adjacent sides or two opposite sides of the pre-settling oil separation tank.
4. The pre-settling oil interceptor arrangement of claim 1, wherein: the pre-settling oil separation tank is characterized in that a grid channel is arranged on the upper stream of the pre-settling oil separation tank, the grid channel is communicated with the oil separation settling area through the water inlet hole, and the gap between grid bars in the grid channel is less than or equal to 5 mm.
5. The pre-settling oil interceptor arrangement of claim 1, wherein: the downstream of the pre-settling oil separation tank is connected with an adjusting tank, and the adjusting tank is communicated with a water outlet area through the water outlet hole; and the regulating reservoir and the pre-settling oil separation reservoir are transversely arranged or longitudinally arranged.
6. The pre-settling oil interceptor arrangement of claim 1, wherein: and a mud bucket and a mud pipe are arranged at the bottom of the pre-settling oil separation tank.
7. The pre-settling oil interceptor arrangement of claim 6, wherein: and the mud bucket at the bottom of the pre-settling oil separation tank is provided with an air stirring pipe for introducing air, and the air stirring pipe is connected to an aeration fan or a stirring fan which is arranged independently.
8. The pre-settling oil interceptor arrangement of claim 6, wherein: the distance between the oil baffle plate and the pool wall on the water outlet side of the pre-settling oil separation pool is 0.6-0.8 m; the top end of the oil baffle is higher than the liquid level of the pre-settling oil separation tank by at least 0.5m or is flush with the top of the tank, the distance from the bottom end of the oil baffle to the bottom of the water outlet hole is more than or equal to 1m, and the distance from the bottom end of the oil baffle to the mud bucket is 0.3-0.5 m.
9. The pre-settling oil interceptor arrangement of claim 6, wherein: the sludge at the bottom of the sludge bucket is discharged through a sludge discharge pipe, and the sludge is discharged in a gravity sludge discharge mode or a sludge discharge pump is arranged for sludge discharge.
10. The pre-settling oil interceptor arrangement of claim 1, wherein: the oil baffle plate is of a steel concrete structure and is integrated with the tank body into a whole; or the oil baffle is a corrosion-resistant plate arranged on the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277598.9U CN214360395U (en) | 2020-12-30 | 2020-12-30 | Arrangement structure of pre-settling oil separation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023277598.9U CN214360395U (en) | 2020-12-30 | 2020-12-30 | Arrangement structure of pre-settling oil separation tank |
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| Publication Number | Publication Date |
|---|---|
| CN214360395U true CN214360395U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023277598.9U Active CN214360395U (en) | 2020-12-30 | 2020-12-30 | Arrangement structure of pre-settling oil separation tank |
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|---|---|
| CN (1) | CN214360395U (en) |
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- 2020-12-30 CN CN202023277598.9U patent/CN214360395U/en active Active
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