CN213327060U - Centrifugal oil-water separation system for pretreatment of oily wastewater - Google Patents
Centrifugal oil-water separation system for pretreatment of oily wastewater Download PDFInfo
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- CN213327060U CN213327060U CN202021841282.5U CN202021841282U CN213327060U CN 213327060 U CN213327060 U CN 213327060U CN 202021841282 U CN202021841282 U CN 202021841282U CN 213327060 U CN213327060 U CN 213327060U
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Abstract
A centrifugal oil-water separation system for pretreatment of oil-containing wastewater comprises a filter box, a heating box and a centrifugal box, wherein a filter screen is arranged in the filter box, a wastewater inlet pipe is arranged on the side wall of the filter box at one side of the filter screen, a first connecting pipe is arranged on the side wall of the filter box at the other side of the filter screen, the first connecting pipe is connected to a water guide pipe, and the water guide pipe is connected with the heating box; the bottom of the heating box is provided with a second connecting pipe, the second connecting pipe is connected into the centrifugal box, the interior of the centrifugal box is divided into an upper cavity and a lower cavity, a centrifugal cylinder is arranged in the upper cavity, the bottom of the centrifugal cylinder is provided with a fixed vertical shaft, a motor is arranged in the lower cavity, and a rotating shaft of the motor is in transmission with the fixed vertical shaft through a worm gear; an oil discharge pipe and a water discharge pipe are arranged on the side wall of the centrifugal box, and the water discharge pipe is connected to the transfer box; the transfer tank is provided with a circulating pipe which is connected to a wastewater inlet pipe. This novel adoption of above-mentioned structure, through the profit of centrifugal mode in to the oily waste water separation, can effectively promote oily waste water treatment efficiency.
Description
Technical Field
The utility model relates to an oily waste water treatment field, specifically a centrifugal oil-water separation system for oily waste water preliminary treatment.
Background
A large amount of waste water is generated in the harmless treatment process of the oily waste mud, the waste water contains most of oil substances, and if the waste water is not treated, the direct discharge of the waste water can cause the pollution of water sources and ecological environment.
The prior pretreatment of oil-containing wastewater generally comprises the steps of cleaning floating oil through an oil separation tank and then separating oil from water by using a coagulation method, a filtration method or an air floatation method. The adoption of the oil separation tank for floating oil treatment needs a long standing time to ensure that the dispersed oil in the wastewater can float and be removed, and the standing time is long, so that the time consumption for treating the oily wastewater is very long, and the treatment efficiency of the oily wastewater is seriously influenced.
Disclosure of Invention
The utility model aims to solve the technical problem that a centrifugal oil-water separation system for oily waste water preliminary treatment is provided, separate the profit in the oily waste water through centrifugal mode, can effectively promote oily waste water treatment efficiency.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a centrifugal oil-water separation system for pretreatment of oil-containing wastewater comprises a filter box, a heating box and a centrifugal box, wherein a filter screen is arranged in the filter box, a wastewater inlet pipe is arranged on the side wall of the filter box at one side of the filter screen, a first connecting pipe is arranged on the side wall of the filter box at the other side of the filter screen, the first connecting pipe is connected to a water guide pipe, and the water guide pipe is connected with the heating box;
the side wall of the heating box is provided with a heating jacket, the bottom of the heating box is provided with a second connecting pipe, the second connecting pipe is connected into the centrifugal box, the interior of the centrifugal box is divided into an upper cavity and a lower cavity, a centrifugal cylinder is arranged in the upper cavity, one end, positioned in the centrifugal box, of the second connecting pipe extends into the centrifugal cylinder, the bottom of the centrifugal cylinder is provided with a fixed vertical shaft extending into the lower cavity, a motor is arranged in the lower cavity, and a rotating shaft of the motor is in transmission with the fixed vertical shaft through a worm gear;
the side wall of the centrifugal box is provided with an oil discharge pipe and a water discharge pipe, the oil discharge pipe is arranged above the water discharge pipe, the water discharge pipe is connected to the transit box, and the water discharge pipe is also provided with a downward waste discharge pipe;
the transfer tank is provided with a circulating pipe, the circulating pipe is connected to a wastewater inlet pipe, and the circulating pipe is provided with a circulating pump.
In the preferred scheme, the filter screen is obliquely arranged in the filter box, and a slag discharge pipe is arranged at the bottom of the filter box, which is close to one side of the filter screen of the wastewater inlet pipe.
In the preferred scheme, the bottom surface of the filter box at the side of the filter screen far away from the wastewater inlet pipe is an inclined surface, and the first connecting pipe is arranged at the lowest end of the inclined surface.
In the preferred scheme, a cleaning water input pipe is arranged above the contact position of the filter screen and the top surface of the filter box, a cleaning water output pipe is arranged at the connection position of the first connecting pipe and the water guide pipe, and an acid liquid pipe is also arranged on the side wall of the filter box.
In a preferred scheme, a first three-way regulating valve is arranged at a connecting point of the first connecting pipe, the water guide pipe and the cleaning water output pipe.
In the preferred scheme, the number of the heating boxes is two, the output end of the water guide pipe is divided into two branch pipes which are respectively connected to the two heating boxes, and a second three-way regulating valve is arranged at the branch position of the water guide pipe.
In a preferable scheme, the second connecting pipe is a Y-shaped pipe, the two input ports are respectively connected to the bottoms of the two heating boxes, and the positions of the second connecting pipes close to the two input ports are respectively provided with a drain valve.
In the preferred scheme, a bearing platform is arranged in the upper cavity, the centrifugal cylinder is arranged above the bearing platform, a ring plate is arranged on the outer side of the top surface of the centrifugal cylinder, an annular groove is formed in the top surface in the centrifugal box, and the ring plate is arranged in the annular groove.
The utility model provides a centrifugal oil-water separation system for oily waste water pretreatment through adopting above-mentioned structure, has following beneficial effect:
(1) solid impurities in the oily wastewater can be effectively filtered through the filter box, so that the pipeline blockage is avoided;
(2) in the process of inputting the oily wastewater, acid liquor is added at the same time, so that the pH value of the oily wastewater is reduced, the demulsification process in the oily wastewater can be favorably carried out, and the oil-water separation efficiency is improved;
(3) the recycling treatment of the oily wastewater is realized, the recovery efficiency of oil substances is ensured, and the oil content in the discharged wastewater is reduced.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: the device comprises a filter box 1, a heating box 2, a centrifugal box 3, an upper cavity 301, a lower cavity 302, an annular groove 303, a wastewater inlet pipe 4, a first connecting pipe 5, a water guide pipe 6, a cleaning water output pipe 7, a first three-way regulating valve 8, a second three-way regulating valve 8', a filter screen 9, a slag discharge pipe 10, a cleaning water input pipe 11, an acid liquor pipe 12, a heating jacket 13, a second connecting pipe 14, a water discharge valve 15, a centrifugal cylinder 16, a through hole 161, an annular plate 162, a bearing platform 17, a fixed vertical shaft 18, a motor 19, a worm gear 20, an oil discharge pipe 21, a water discharge pipe 22, a waste discharge pipe 23, a transit box 24, a circulating pipe 25 and a circulating pump 26.
Detailed Description
As shown in fig. 1, a centrifugal oil-water separation system for pretreatment of oily wastewater comprises a filter box 1, a heating box 2 and a centrifugal box 3, wherein a filter screen 9 is arranged in the filter box 1, a wastewater inlet pipe 4 is arranged on the side wall of the filter box 1 on one side of the filter screen 9, a first connecting pipe 5 is arranged on the side wall of the filter box 1 on the other side of the filter screen 9, the first connecting pipe 5 is connected to a water guide pipe 6, and the water guide pipe 6 is connected to the heating box 2;
a heating jacket 13 is arranged on the side wall of the heating box 2, a second connecting pipe 14 is arranged at the bottom of the heating box 2, the second connecting pipe 14 is connected into the centrifugal box 3, the interior of the centrifugal box 3 is divided into an upper cavity 301 and a lower cavity 302, a centrifugal cylinder 16 is arranged in the upper cavity 301, one end of the second connecting pipe 14, which is positioned in the centrifugal box 3, extends into the centrifugal cylinder 16, a fixed vertical shaft 18 which extends into the lower cavity 302 is arranged at the bottom of the centrifugal cylinder 16, a motor 19 is arranged in the lower cavity 302, and a rotating shaft of the motor 19 is in transmission with the fixed vertical shaft 18 through a worm gear 20;
an oil discharge pipe 21 and a water discharge pipe 22 are arranged on the side wall of the centrifugal box 3, the oil discharge pipe 21 is arranged above the water discharge pipe 22, the water discharge pipe 22 is connected to a transit box 24, and a downward waste discharge pipe 23 is further arranged on the water discharge pipe 22;
the transfer box 24 is provided with a circulating pipe 25, the circulating pipe 25 is connected to the wastewater inlet pipe 4, and the circulating pipe 25 is provided with a circulating pump 26.
In the preferred scheme, the filter screen 9 is obliquely arranged in the filter box 1, and the bottom of the filter box 1, which is close to one side of the filter screen 9 of the wastewater inlet pipe 4, is provided with a slag discharge pipe 10.
In the preferred scheme, the bottom surface of the filter tank 1 on the side of the filter screen 9 far away from the wastewater inlet pipe 4 is an inclined surface, and the first connecting pipe 5 is arranged at the lowest end of the inclined surface.
In the preferred scheme, a cleaning water input pipe 11 is arranged above the position where the filter screen 9 is contacted with the top surface of the filter box 1, a cleaning water output pipe 7 is arranged at the connecting position of the first connecting pipe 5 and the water guide pipe 6, and an acid liquid pipe 12 is further arranged on the side wall of the filter box 1.
In a preferred scheme, a first three-way regulating valve 8 is arranged at a connecting point of the first connecting pipe 5, the water guide pipe 6 and the cleaning water output pipe 7.
In the preferred scheme, the number of the heating boxes 2 is two, the output end of the water guide pipe 6 is divided into two branch pipes which are respectively connected to the two heating boxes 2, and the branch position of the water guide pipe 6 is provided with a second three-way regulating valve 8'.
In a preferred scheme, the second connecting pipe 14 is a "Y" shaped pipe, two input ports are respectively connected to the bottoms of the two heating boxes 2, and the positions of the second connecting pipe 14 close to the two input ports are both provided with a drain valve 15.
In a preferable scheme, a bearing platform 17 is arranged in the upper cavity 301, the centrifugal cylinder 16 is arranged above the bearing platform 17, a ring plate 162 is arranged on the outer side of the top surface of the centrifugal cylinder 16, a ring groove 303 is arranged on the inner top surface of the centrifugal box 3, and the ring plate 162 is arranged in the ring groove 303.
The principle of the device is as follows:
oily wastewater is input into a filter box 1 through a wastewater inlet pipe 4, an acid liquid pipe 12 is opened to supplement acid into the wastewater to reduce the pH value of the wastewater, a first three-way regulating valve 8 is regulated to enable a first connecting pipe 5 to be communicated with a water guide pipe 6, the wastewater with the regulated pH value enters one heating box 2 to be heated, a second three-way regulating valve 8' is regulated to be communicated with the other heating box 2 in the heating process, when the oily wastewater is input into the second heating box 2, the oily wastewater in the first heating box 2 is heated (to be heated to more than 80 ℃), then a corresponding water discharge valve 15 is opened to enable the heated oily wastewater to enter a centrifugal cylinder 16 in a centrifugal box 3, a motor 19 is started to realize centrifugal action, oil-water mixed liquid rotating at high speed generates different centrifugal forces by utilizing different oil-water densities, so that oil and water are separated, then the oil and the water pass through a through hole 161 and are layered in the centrifugal box 3, the separated upper layer oil is output by the oil discharge pipe 21, the lower layer waste water enters the transfer box 24, the oil and water are separated for multiple times through recycling, the oil and water are completely separated, after the multiple times of separation, the waste water can be discharged by the waste discharge pipe 23, after the whole operation is completed, the cleaning water input pipe 11 is started, the cleaning water washes solid impurities on the filter screen 9 and is discharged by the slag discharge pipe 10, and the sewage formed after cleaning is output by the first connecting pipe 5 and the cleaning water output pipe 7.
Claims (8)
1. The utility model provides a centrifugal oil-water separation system for oily waste water pretreatment which characterized in that: the device comprises a filter box (1), a heating box (2) and a centrifugal box (3), wherein a filter screen (9) is arranged in the filter box (1), a wastewater inlet pipe (4) is arranged on the side wall of the filter box (1) on one side of the filter screen (9), a first connecting pipe (5) is arranged on the side wall of the filter box (1) on the other side of the filter screen (9), the first connecting pipe (5) is connected to a water guide pipe (6), and the water guide pipe (6) is connected with the heating box (2);
the centrifugal heating device is characterized in that a heating jacket (13) is arranged on the side wall of the heating box (2), a second connecting pipe (14) is arranged at the bottom of the heating box (2), the second connecting pipe (14) is connected into the centrifugal box (3), the interior of the centrifugal box (3) is divided into an upper cavity (301) and a lower cavity (302), a centrifugal cylinder (16) is arranged in the upper cavity (301), one end, located in the centrifugal box (3), of the second connecting pipe (14) extends into the centrifugal cylinder (16), a fixed vertical shaft (18) extending into the lower cavity (302) is arranged at the bottom of the centrifugal cylinder (16), a motor (19) is arranged in the lower cavity (302), and a rotating shaft of the motor (19) and the fixed vertical shaft (18) are in transmission through a worm gear (20);
an oil discharge pipe (21) and a water discharge pipe (22) are arranged on the side wall of the centrifugal box (3), the oil discharge pipe (21) is arranged above the water discharge pipe (22), the water discharge pipe (22) is connected to the transfer box (24), and a downward waste discharge pipe (23) is further arranged on the water discharge pipe (22);
the transfer box (24) is provided with a circulating pipe (25), the circulating pipe (25) is connected to the wastewater inlet pipe (4), and the circulating pipe (25) is provided with a circulating pump (26).
2. The centrifugal oil-water separation system for pretreatment of oil-containing wastewater according to claim 1, characterized in that: the filter screen (9) is obliquely arranged in the filter box (1), and a slag discharge pipe (10) is arranged at the bottom of the filter box (1) close to one side of the filter screen (9) of the wastewater inlet pipe (4).
3. The centrifugal oil-water separation system for oily wastewater pretreatment according to claim 2, characterized in that: the bottom surface of the filter box (1) on the side, away from the wastewater inlet pipe (4), of the filter screen (9) is an inclined surface, and the first connecting pipe (5) is arranged at the lowest end of the inclined surface.
4. The centrifugal oil-water separation system for oily wastewater pretreatment according to claim 3, characterized in that: the cleaning water supply device is characterized in that a cleaning water input pipe (11) is arranged above the contact position of the filter screen (9) and the top surface of the filter box (1), a cleaning water output pipe (7) is arranged at the connection position of the first connecting pipe (5) and the water guide pipe (6), and an acid liquid pipe (12) is further arranged on the side wall of the filter box (1).
5. The centrifugal oil-water separation system for pretreatment of oil-containing wastewater according to claim 4, characterized in that: and a first three-way regulating valve (8) is arranged on the connection point of the first connecting pipe (5), the water guide pipe (6) and the cleaning water output pipe (7).
6. The centrifugal oil-water separation system for pretreatment of oil-containing wastewater according to claim 1, characterized in that: the heating boxes (2) are two, the output end of the water guide pipe (6) is divided into two branch pipes which are respectively connected to the two heating boxes (2), and a second three-way adjusting valve (8') is arranged at the branch position of the water guide pipe (6).
7. The centrifugal oil-water separation system for pretreatment of oil-containing wastewater according to claim 6, characterized in that: the second connecting pipe (14) is a Y-shaped pipe, the two input ports are respectively connected to the bottoms of the two heating boxes (2), and the positions, close to the second connecting pipe (14), of the two input ports are respectively provided with a drain valve (15).
8. The centrifugal oil-water separation system for pretreatment of oil-containing wastewater according to claim 1, characterized in that: the centrifugal centrifuge comprises an upper cavity (301), a bearing platform (17) is arranged in the upper cavity (301), a centrifugal cylinder (16) is arranged above the bearing platform (17), a ring plate (162) is arranged on the outer side of the top surface of the centrifugal cylinder (16), an annular groove (303) is arranged on the inner top surface of a centrifuge box (3), and the ring plate (162) is arranged in the annular groove (303).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021841282.5U CN213327060U (en) | 2020-08-28 | 2020-08-28 | Centrifugal oil-water separation system for pretreatment of oily wastewater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021841282.5U CN213327060U (en) | 2020-08-28 | 2020-08-28 | Centrifugal oil-water separation system for pretreatment of oily wastewater |
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| CN213327060U true CN213327060U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377437A (en) * | 2021-12-20 | 2022-04-22 | 山东华煜新材料有限责任公司 | Esterification phase separator for preparing glycerol triacetate |
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2020
- 2020-08-28 CN CN202021841282.5U patent/CN213327060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114377437A (en) * | 2021-12-20 | 2022-04-22 | 山东华煜新材料有限责任公司 | Esterification phase separator for preparing glycerol triacetate |
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