CN112190977B - Efficient, environment-friendly and energy-saving oil-water separation system and working method thereof - Google Patents
Efficient, environment-friendly and energy-saving oil-water separation system and working method thereof Download PDFInfo
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
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Abstract
The invention relates to a high-efficiency environment-friendly energy-saving oil-water separation system and a working method thereof, wherein the oil-water separation system comprises an oil-water separation tank, a water inlet pipeline, a water discharge pipeline, an oil discharge pipeline, a bleed-off pipeline and a nitrogen pipeline; the invention is used for further carrying out oil-water separation on the oil-containing separated water; the system has simple and reasonable composition, simple operation and good oil-water separation effect, realizes recovery of residual oil in the separated water, and can effectively reduce volatilization of oil substances; in addition, the pressure of the upstream medium is utilized to ensure that the separated oil and water still can keep certain pressure, and a power transmission device is not required to be arranged independently when long-distance transmission is carried out.
Description
Technical Field
The invention relates to the technical field of oil-water separation, in particular to an efficient, environment-friendly and energy-saving oil-water separation system and a working method thereof.
Background
In the crude benzene refining process, the hydrogenated oil obtained by hydrogenating the crude benzene as a raw material contains a small amount of water besides hydrocarbon substances such as benzene, toluene and xylene, and the water in the hydrogenated oil needs to be removed before the hydrogenated oil is sent to the next process for distillation. In the existing production process, a high-pressure separator is mostly adopted, hydrocarbon substances in hydrogenated oil and process separation water are subjected to oil-water separation in a static separation mode, and the separated oil and water are directly sent out after being decompressed by an adjusting valve by using the operating pressure (about 2.5 MPa) of the high-pressure separator. Because the separated water contains impurities such as hydrogen sulfide, ammonia and the like, the production enterprises generally send the separated water to an ammonia distillation system for ammonia distillation treatment, and finally to a sewage treatment system.
In the actual production process, the separated water separated by the high-pressure separator still contains a small amount of oil products such as hydrocarbon, and the oil products are taken away along with the separated water, so that on one hand, the loss of hydrocarbon substances is caused, the product yield is reduced, and the enterprise benefit loss is caused; on the other hand, the production load and the operation difficulty of the subsequent water treatment system are increased; and because most of benzene, toluene and other hydrocarbon are high and moderate toxic substances, the environment pollution is easy to cause, and the physical and psychological health of operators is adversely affected.
Therefore, a simple, economical, efficient and environment-friendly process method is urgently needed, and the separated water discharged from the high-pressure separator is further deoiled under the precondition of small investment, small occupied area and simple operation, so that the oil product in the separated water is recovered as much as possible.
Disclosure of Invention
The invention provides a high-efficiency environment-friendly energy-saving oil-water separation system and a working method thereof, which are used for further carrying out oil-water separation on oil-containing separated water; the system has simple and reasonable composition, simple operation and good oil-water separation effect, realizes recovery of residual oil in the separated water, and can effectively reduce volatilization of oil substances; in addition, the pressure of the upstream medium is utilized to ensure that the separated oil and water still can keep certain pressure, and a power transmission device is not required to be arranged independently when long-distance transmission is carried out.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
an efficient, environment-friendly and energy-saving oil-water separation system comprises an oil-water separation tank, a water inlet pipeline, a water discharge pipeline, an oil discharge pipeline, a bleeding pipeline and a nitrogen pipeline; the oil-water separation tank is a closed tank body, and the top of the oil-water separation tank is provided with a bleed air outlet which is connected with a bleed air pipeline connected with a nitrogen pipeline; the upper part of the oil-water separation tank is provided with a baffle plate to divide the upper space of the oil-water separation tank into a static separation area and an oil-water disturbance area, and the cross section area of the static separation area is larger than that of the oil-water disturbance area; a space is reserved between the upper edge of the partition plate and the top of the oil-water separation tank, and the lower edge of the partition plate is level with an oil-water interface in the oil-water separation tank; a water inlet is arranged on the side wall of the oil-water separation tank corresponding to one side of the oil-water disturbance zone and is connected with a water inlet pipeline, and an oil drain port is arranged on the side wall of the oil-water separation tank corresponding to one side of the static separation zone and is connected with an oil drain pipeline; the lower part of the oil-water separation tank is provided with a storage tank heater, and the bottom of the oil-water separation tank is provided with a water outlet connected with a water drainage pipeline.
The position of the water inlet corresponds to the liquid phase area in the oil-water separation tank and is higher than the lower edge of the partition plate.
The side wall of the oil-water separation tank at one side of the static separation zone is provided with a liquid level meter, the drain pipe is provided with a drain regulating valve, and the drain regulating valve and the liquid level meter are controlled in an interlocking way through a control system.
The oil drain port is higher than a liquid phase area in the oil-water separation tank, and the part of the oil drain pipeline in the oil-water separation tank is bent downwards and inserted below the liquid level of the static separation area; the oil discharge pipeline outside the oil-water separation tank is provided with a sight glass and a valve.
The oil-water separation tank is characterized in that a bleed air regulating valve is arranged on the bleed air pipeline, a nitrogen regulating valve is arranged on the nitrogen pipeline, a pressure gauge is arranged at the top of the oil-water separation tank, and the bleed air regulating valve, the nitrogen regulating valve and the pressure gauge are controlled in an interlocking mode through a control system.
And a safety valve is arranged at the top of the oil-water separation tank.
The storage tank heater adopts steam or heat conducting oil as a heating medium.
And a field interface meter is further arranged on the side wall of the oil-water separation tank at one side of the static separation area.
The working method of the efficient, environment-friendly and energy-saving oil-water separation system comprises the following steps:
1) The oil-containing separated water with the pressure higher than the nitrogen seal pressure in the oil-water separation tank continuously enters the oil-water separation tank through a water inlet pipeline; the oil-containing separation water enters from one side of the oil-water disturbance zone, enters the static separation zone through the lower part of the partition plate, stays in the static separation zone for a period of time, and performs static separation by utilizing the density difference of oil and water;
2) The oil-water separation tank calculates the height and position of an oil-water interface of the static separation zone in advance according to the oil content in the oil-containing separation water, the density of the oil and the time required by oil-water separation, and the lower edge of the partition plate is kept level with the oil-water interface; the oil-containing separation water enters the static separation zone from the lower part of the partition plate, namely enters the static separation zone from the oil-water interface, so that the disturbance to the static separation zone can be reduced to the greatest extent; after a period of residence, the oil phase is accumulated in a static separation zone above the oil-water interface, and the water phase is deposited in an oil-water separation tank below the oil-water interface; in order to keep the liquid level in the tank stable, the drain regulating valve and the liquid level meter are interlocked by a control system to realize automatic regulation, and the opening of the drain regulating valve is used for controlling the continuous drainage amount at the bottom of the oil-water separation tank;
3) The water in the oil-containing separated water is more or less, and the oil at the upper part of the static separation area is discharged by observing the position of an oil-water interface displayed by a site interface meter and combining the medium flow condition and color change in an oil discharge pipeline sight glass;
4) The top of the oil-water separation tank is provided with a nitrogen sealing system, the nitrogen amount entering the oil-water separation tank and the exhaust amount discharged from the oil-water separation tank are regulated in a branched way through a nitrogen regulating valve and an exhaust gas regulating valve, so that the pressure of the top of the tank is kept constant, the volatilization of oil vapor is reduced, the separated water and oil are ensured to still have pressure, and the requirement of long-distance conveying is met;
5) The top of the oil-water separation tank is provided with a safety valve, once the overpressure in the tank is caused by the excessive pressure of oil-containing separation water or the failure of a nitrogen sealing system, and the safety valve is tripped when the opening pressure of the safety valve is reached, the system is depressurized, and damage to equipment and pipelines is avoided;
6) The bottom of the oil-water separation tank is provided with a storage tank heater to prevent water at the lower part of the oil-water separation tank from freezing in winter in cold areas.
Compared with the prior art, the invention has the beneficial effects that:
1) The separator is arranged in the oil-water separation tank to prevent newly-entered oil-containing separation water from disturbing the two-phase medium which has been subjected to static separation before, so that the device has high utilization rate and good separation effect.
2) The top of the oil-water separation tank is provided with a nitrogen sealing system, and nitrogen with a certain pressure is filled above the liquid level of the oil product, so that on one hand, volatilization of hydrocarbon substances can be effectively reduced, oil product loss is reduced, and environmental pollution is avoided; on the other hand, the separated oil and water still have pressure, and power conveying equipment is not required to be additionally arranged during the delivery, so that the energy is saved, the consumption is reduced, and the operation cost is low.
3) The system is used for further carrying out oil-water separation on the separated water after the high-pressure separator in the crude benzene refining process, can recover residual oil products in the separated water to the greatest extent, is beneficial to improving the product yield, increasing the enterprise benefit, reducing the production load and the operation difficulty of a subsequent water treatment system, and avoiding polluting the environment.
4) The system has the advantages of simple and reasonable structure, investment saving, small occupied area, convenient operation and easy implementation.
Drawings
FIG. 1 is a schematic diagram of an efficient, environment-friendly and energy-saving oil-water separation system.
In the figure: 1. the oil-water separation tank 2, the partition plate 3, the water inlet pipeline 4, the drainage pipeline 5, the drainage regulating valve 6, the oil drainage pipeline 7, the sight glass 8, the valve 9, the nitrogen regulating valve 10, the vent gas regulating valve 11, the safety valve 12, the pressure gauge 13, the liquid level gauge 14, the field interface gauge 15, the storage tank heater
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in FIG. 1, the efficient, environment-friendly and energy-saving oil-water separation system comprises an oil-water separation tank 1, a water inlet pipeline 3, a water discharge pipeline 4, an oil discharge pipeline 6, a bleeding pipeline and a nitrogen pipeline; the oil-water separation tank 1 is a closed tank body, and the top of the oil-water separation tank is provided with a bleed air outlet which is connected with a bleed air pipeline, and the bleed air pipeline is connected with a nitrogen pipeline; the upper part of the oil-water separation tank 1 is provided with a baffle plate 2 to divide the upper space of the oil-water separation tank 1 into a static separation area and an oil-water disturbance area, and the cross section area of the static separation area is larger than that of the oil-water disturbance area; a space is reserved between the upper edge of the partition plate 2 and the top of the oil-water separation tank 1, and the lower edge of the partition plate 2 is level with the oil-water interface in the oil-water separation tank 1; a water inlet is arranged on the side wall of the oil-water separation tank 1 corresponding to one side of the oil-water disturbance zone and is connected with the water inlet pipeline 3, and an oil drain port is arranged on the side wall of the oil-water separation tank 1 corresponding to one side of the static separation zone and is connected with the oil drain pipeline 6; the lower part of the oil-water separation tank 1 is provided with a tank heater 15, and the bottom is provided with a water outlet connected with a water discharge pipeline 4.
The position of the water inlet corresponds to the liquid phase area in the oil-water separation tank 1 and is higher than the lower edge of the baffle plate 2.
The side wall of the oil-water separation tank 1 at one side of the static separation zone is provided with a liquid level meter 13, the drainage pipeline 4 is provided with a drainage regulating valve 5, and the drainage regulating valve 5 and the liquid level meter 13 are controlled in an interlocking way through a control system.
The oil drain port is higher than a liquid phase area in the oil-water separation tank 1, and the part of the oil drain pipeline 6 in the oil-water separation tank 1 is bent downwards and inserted below the liquid level of the static separation area; the oil discharge pipeline 6 outside the oil-water separation tank 1 is provided with a sight glass 7 and a valve 8.
The gas release pipeline is provided with a gas release regulating valve 10, the nitrogen pipeline is provided with a nitrogen regulating valve 9, the top of the oil-water separation tank 1 is provided with a pressure gauge 12, and the gas release regulating valve 10, the nitrogen regulating valve 9 and the pressure gauge 12 are controlled in an interlocking way through a control system.
The top of the oil-water separation tank 1 is provided with a safety valve 11.
The sump heater 15 uses steam or heat transfer oil as a heating medium.
The side wall of the oil-water separation tank 1 at one side of the static separation area is also provided with a site interface meter 14.
The working method of the efficient, environment-friendly and energy-saving oil-water separation system comprises the following steps:
1) The oil-containing separated water with the pressure higher than the nitrogen seal pressure in the oil-water separation tank 1 continuously enters the oil-water separation tank 1 through the water inlet pipeline 3; the oil-containing separation water enters from one side of the oil-water disturbance zone, enters the static separation zone through the lower part of the partition plate 2, stays in the static separation zone for a period of time, and performs static separation by utilizing the density difference of oil and water;
2) The oil-water separation tank 1 calculates the height and the position of an oil-water interface of a static separation zone according to the oil content in oil-containing separation water, the density of oil and the time required by oil-water separation in advance, and the lower edge of the baffle plate 2 is kept level with the oil-water interface; the oil-containing separation water enters the static separation zone from the lower part of the baffle plate 2, namely enters from an oil-water interface, so that the disturbance to the static separation zone can be reduced to the greatest extent; after a period of residence, the oil phase is accumulated in a static separation zone above the oil-water interface, and the water phase is deposited in an oil-water separation tank 1 below the oil-water interface; in order to keep the liquid level in the tank stable, the drain regulating valve 5 and the liquid level gauge 13 are interlocked by a control system to realize automatic regulation, and the opening of the drain regulating valve 5 is used for controlling the continuous drainage of the bottom of the oil-water separation tank 1;
3) The water in the oil-containing separated water is more or less, and the oil at the upper part of the static separation area is discharged by observing the position of an oil-water interface displayed by a site interface meter 14 and combining the medium flowing condition and the color change in a viewing mirror 7 on an oil discharge pipeline 6, and periodically opening a valve 8 on the oil discharge pipeline 6;
4) The top of the oil-water separation tank 1 is provided with a nitrogen sealing system, the nitrogen amount entering the oil-water separation tank 1 and the exhaust amount exhausted from the oil-water separation tank 1 are regulated in a branched way through a nitrogen regulating valve 9 and an exhaust gas regulating valve 10, so that the pressure of the tank top is kept constant, the volatilization of oil and gas is reduced, the pressure of separated water and oil is ensured, and the requirement of long-distance conveying is met;
5) The top of the oil-water separation tank 1 is provided with a safety valve 11, once the overpressure in the tank is caused by the excessive pressure of oil-containing separation water or the failure of a nitrogen sealing system, and the opening pressure of the safety valve 11 is reached, the safety valve 11 is tripped, and the system is decompressed, so that the damage to equipment and pipelines is avoided;
6) The bottom of the oil-water separation tank 1 is provided with a tank heater 15 to prevent water at the lower part of the oil-water separation tank from freezing in winter in cold areas.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The working method of the efficient, environment-friendly and energy-saving oil-water separation system is characterized in that the efficient, environment-friendly and energy-saving oil-water separation system comprises an oil-water separation tank, a water inlet pipeline, a water drainage pipeline, an oil drainage pipeline, a bleeding pipeline and a nitrogen pipeline; the oil-water separation tank is a closed tank body, and the top of the oil-water separation tank is provided with a bleed air outlet which is connected with a bleed air pipeline connected with a nitrogen pipeline; the upper part of the oil-water separation tank is provided with a baffle plate to divide the upper space of the oil-water separation tank into a static separation area and an oil-water disturbance area, and the cross section area of the static separation area is larger than that of the oil-water disturbance area; a space is reserved between the upper edge of the partition plate and the top of the oil-water separation tank, and the lower edge of the partition plate is level with an oil-water interface in the oil-water separation tank; a water inlet is arranged on the side wall of the oil-water separation tank corresponding to one side of the oil-water disturbance zone and is connected with a water inlet pipeline, and an oil drain port is arranged on the side wall of the oil-water separation tank corresponding to one side of the static separation zone and is connected with an oil drain pipeline; the lower part of the oil-water separation tank is provided with a storage tank heater, and the bottom of the oil-water separation tank is provided with a water outlet connected with a water drainage pipeline; a liquid level meter is arranged on the side wall of the oil-water separation tank at one side of the static separation zone, a drainage regulating valve is arranged on the drainage pipeline, and the drainage regulating valve and the liquid level meter are controlled in an interlocking way through a control system; a field interface meter is further arranged on the side wall of the oil-water separation tank at one side of the static separation area;
the working method of the efficient, environment-friendly and energy-saving oil-water separation system comprises the following steps:
1) The oil-containing separated water with the pressure higher than the nitrogen seal pressure in the oil-water separation tank continuously enters the oil-water separation tank through a water inlet pipeline; the oil-containing separation water enters from one side of the oil-water disturbance zone, enters the static separation zone through the lower part of the partition plate, stays in the static separation zone for a period of time, and performs static separation by utilizing the density difference of oil and water;
2) The oil-water separation tank calculates the height and position of an oil-water interface of the static separation zone in advance according to the oil content in the oil-containing separation water, the density of the oil and the time required by oil-water separation, and the lower edge of the partition plate is kept level with the oil-water interface; the oil-containing separation water enters the static separation zone from the lower part of the partition plate, namely enters the static separation zone from the oil-water interface, so that the disturbance to the static separation zone can be reduced to the greatest extent; after a period of residence, the oil phase is accumulated in a static separation zone above the oil-water interface, and the water phase is deposited in an oil-water separation tank below the oil-water interface; in order to keep the liquid level in the tank stable, the drain regulating valve and the liquid level meter are interlocked by a control system to realize automatic regulation, and the opening of the drain regulating valve is used for controlling the continuous drainage amount at the bottom of the oil-water separation tank;
3) The water in the oil-containing separated water is more or less, and the oil at the upper part of the static separation area is discharged by observing the position of an oil-water interface displayed by a site interface meter and combining the medium flow condition and color change in an oil discharge pipeline sight glass;
4) The top of the oil-water separation tank is provided with a nitrogen sealing system, the nitrogen amount entering the oil-water separation tank and the exhaust amount discharged from the oil-water separation tank are regulated in a branched way through a nitrogen regulating valve and an exhaust gas regulating valve, so that the pressure of the top of the tank is kept constant, the volatilization of oil vapor is reduced, the separated water and oil are ensured to still have pressure, and the requirement of long-distance conveying is met;
5) The top of the oil-water separation tank is provided with a safety valve, once the overpressure in the tank is caused by the excessive pressure of oil-containing separation water or the failure of a nitrogen sealing system, and the safety valve is tripped when the opening pressure of the safety valve is reached, the system is depressurized, and damage to equipment and pipelines is avoided;
6) The bottom of the oil-water separation tank is provided with a storage tank heater to prevent water at the lower part of the oil-water separation tank from freezing in winter in cold areas.
2. The working method of the efficient, environment-friendly and energy-saving oil-water separation system according to claim 1, wherein the water inlet corresponds to a liquid phase area in the oil-water separation tank and is higher than the lower edge of the partition plate.
3. The working method of the efficient, environment-friendly and energy-saving oil-water separation system according to claim 1, wherein the oil drain port is higher than a liquid phase area in the oil-water separation tank, and the part of the oil drain pipeline in the oil-water separation tank is bent downwards and inserted below the liquid level of the static separation area; the oil discharge pipeline outside the oil-water separation tank is provided with a sight glass and a valve.
4. The working method of the efficient, environment-friendly and energy-saving oil-water separation system is characterized in that a bleed air regulating valve is arranged on a bleed air pipeline, a nitrogen regulating valve is arranged on a nitrogen pipeline, a pressure gauge is arranged at the top of an oil-water separation tank, and the bleed air regulating valve, the nitrogen regulating valve and the pressure gauge are controlled in an interlocking mode through a control system.
5. The method for operating an efficient, environmentally friendly and energy-saving oil-water separation system according to claim 1, wherein the sump heater uses steam or heat conducting oil as a heating medium.
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| CN114684770B (en) * | 2022-05-19 | 2024-01-23 | 凯泰（滁州）流体控制有限公司 | Method and system for realizing interface control and oil-water distribution of sewage closed conveying unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067390A (en) * | 1991-06-01 | 1992-12-30 | 北京市西城区新开通用试验厂 | Numerically controlled oil-gas-water separator |
| CN205199044U (en) * | 2015-11-06 | 2016-05-04 | 景谷林化有限公司 | Efficient automatic oil -water separator for rosin resin production |
| CN207856386U (en) * | 2018-01-18 | 2018-09-14 | 河北冀泽生物科技有限公司 | Automatic liquid separation device |
| CN209427442U (en) * | 2018-12-29 | 2019-09-24 | 上海市特种设备监督检验技术研究院 | A kind of vehicle-use alcohol gasoline vertical storage tank |
| CN210259661U (en) * | 2019-08-02 | 2020-04-07 | 惠州兴盛石化仓储有限公司 | Low pressure nitrogen of environment-friendly seals cold-insulated vault jar equipment |
| CN211521686U (en) * | 2019-12-27 | 2020-09-18 | 苏州源申涂装净化设备有限公司 | Energy-saving environment-friendly oil-water separation device |
| CN213790090U (en) * | 2020-09-29 | 2021-07-27 | 中冶焦耐(大连)工程技术有限公司 | Efficient, environment-friendly and energy-saving oil-water separation system |
-
2020
- 2020-09-29 CN CN202011047329.5A patent/CN112190977B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067390A (en) * | 1991-06-01 | 1992-12-30 | 北京市西城区新开通用试验厂 | Numerically controlled oil-gas-water separator |
| CN205199044U (en) * | 2015-11-06 | 2016-05-04 | 景谷林化有限公司 | Efficient automatic oil -water separator for rosin resin production |
| CN207856386U (en) * | 2018-01-18 | 2018-09-14 | 河北冀泽生物科技有限公司 | Automatic liquid separation device |
| CN209427442U (en) * | 2018-12-29 | 2019-09-24 | 上海市特种设备监督检验技术研究院 | A kind of vehicle-use alcohol gasoline vertical storage tank |
| CN210259661U (en) * | 2019-08-02 | 2020-04-07 | 惠州兴盛石化仓储有限公司 | Low pressure nitrogen of environment-friendly seals cold-insulated vault jar equipment |
| CN211521686U (en) * | 2019-12-27 | 2020-09-18 | 苏州源申涂装净化设备有限公司 | Energy-saving environment-friendly oil-water separation device |
| CN213790090U (en) * | 2020-09-29 | 2021-07-27 | 中冶焦耐(大连)工程技术有限公司 | Efficient, environment-friendly and energy-saving oil-water separation system |
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