CN212662774U - Siphon oil-water separator - Google Patents
Siphon oil-water separator Download PDFInfo
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- CN212662774U CN212662774U CN202020583951.7U CN202020583951U CN212662774U CN 212662774 U CN212662774 U CN 212662774U CN 202020583951 U CN202020583951 U CN 202020583951U CN 212662774 U CN212662774 U CN 212662774U
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Abstract
The utility model provides a hydrocone type oil water separator, hydrocone type oil water separator includes: the top of the liquid storage cavity is provided with an oil-water inlet, an oil outlet and a gas inlet and outlet; a water outlet is formed in the bottom of the liquid storage cavity; a buoyancy liquid discharging ball is arranged in the liquid storage cavity, an oil inlet is formed right above the buoyancy liquid discharging ball, an oil outlet is formed in the side wall of the buoyancy liquid discharging ball, the oil outlet of the buoyancy liquid discharging ball is connected with an oil discharging hose, and the oil discharging hose extends out of the liquid storage cavity through the oil outlet of the liquid storage cavity; the oil-water inlet and the water outlet are respectively provided with an inlet valve and an outlet valve. The siphon oil-water separator provided by the utility model realizes oil-water (such as oil-based drilling cuttings thermal desorption oil-water) separation without external power by utilizing gravity sedimentation and siphon phenomenon, and has low energy consumption; meanwhile, the oil is taken out from the upper end of the siphon oil-water separator, the water is taken out from the lower end of the siphon oil-water separator, the back mixing is small, the disturbance of an oil-water separation interface is small, and the purity of the separated oil-water is high.
Description
Technical Field
The utility model relates to a hydrocone type oil water separator belongs to petrochemical industry oily solid waste resourceful treatment technical field.
Background
In recent years, the main attack direction of oil fields in China is to develop shale gas on a large scale, oil-based mud is used for drilling in the process of exploiting the shale gas, a large amount of drill cuttings are generated by rocks in a drill bit cutting stratum, the drill cuttings are brought to the ground through the carrying effect of the oil-based mud, so that the oil-based drill cuttings are formed and listed in a national hazardous waste list (HW08), and if the oil-based drill cuttings are directly discharged without being processed, serious harm is caused to the surrounding ecological environment. Among the methods for treating oil-based drilling cuttings in the market at present, the thermal desorption process becomes a hot spot technology due to the outstanding advantages of short treatment period, high oil removal efficiency and the like. The thermal desorption process is mainly characterized in that under the anaerobic condition, materials are heated in a thermal desorption furnace, so that the temperature of volatile substances in the materials reaches the boiling point, and the volatile substances are evaporated and removed from the materials. The treatment method has obvious effect of removing oil in the oil-based drill cuttings, the oil content of the treated residues can be reduced to below 0.3%, and hydrocarbon resources in the drill cuttings can be recycled.
Related thermal desorption equipment is designed and manufactured by a plurality of units in China, and is popularized and applied to partial oil fields. At present, the thermal desorption equipment of the oil-based drilling cuttings is intensively researched and relatively perfected, however, the thermal desorption process has some places which need to be optimized and perfected at present in the collection and separation process of volatile matters. The volatile matters desorbed from the thermal desorption are complex in composition, comprise various components such as thermal desorption oil, thermal desorption gas, water vapor and the like, and simultaneously carry dust escaping from the reactor, so that the separation and collection of the volatile matters cannot be properly processed, and various problems such as subsequent pipeline blockage and the like can be caused. Therefore, the efficient separation and collection of the volatile matters is a key link of the safe, stable and continuous operation of the whole process flow. The reasonably designed volatile matter collecting and separating unit can meet the requirements of high efficiency of material thermal desorption products with different properties, low energy consumption separation is realized, the maintenance frequency is reduced, and the stable operation of a thermal desorption system is realized.
At present, the patents of special research on the recovery process and device of volatile matters of oil-based drill cuttings are few, and Chinese invention patent CN109267953A relates to a method and a device for recovering mud and base oil in waste oil-based drilling fluid in a grading manner. This process does not address the problem of clogging of the filter element by dust particles carried by volatiles produced in the upstream flow, and frequent filter element replacement is detrimental to overall process cost control. The invention patent CN102794033A relates to an oil-gas-water three-phase hypergravity separator, which utilizes hypergravity, has large energy consumption, is suitable for separating oil-water mixtures with small density difference and difficult separation, or places with strict requirements on equipment size or separation time, and has high operation and maintenance cost which is obviously not suitable for oil-water separation of oil-based drilling cutting industrial equipment.
Therefore, it is necessary to develop a novel siphon oil-water separator for thermal desorption of oil-based drilling cuttings.
SUMMERY OF THE UTILITY MODEL
In order to solve the above disadvantages and shortcomings, an object of the present invention is to provide a siphon oil-water separator.
In order to realize above purpose, the utility model provides a hydrocone type oil water separator, wherein, siphoning type oil water separator includes: the top of the liquid storage cavity is provided with an oil-water inlet, an oil outlet and a gas inlet and outlet; a water outlet is formed in the bottom of the liquid storage cavity; a buoyancy liquid discharging ball is arranged in the liquid storage cavity, an oil inlet is formed right above the buoyancy liquid discharging ball, an oil outlet is formed in the side wall of the buoyancy liquid discharging ball, the oil outlet of the buoyancy liquid discharging ball is connected with an oil discharging hose, and the oil discharging hose extends out of the liquid storage cavity through the oil outlet of the liquid storage cavity;
the oil-water inlet and the water outlet are respectively provided with an inlet valve and an outlet valve.
In the siphon oil-water separator, preferably, an opening is formed in a side wall of the liquid storage cavity and used for connecting a liquid level meter.
Preferably, the siphon oil-water separator further comprises a multi-way valve, one opening of the multi-way valve is connected with the gas inlet and outlet, and any two openings of other openings of the multi-way valve are respectively connected with an air inlet pipeline and an exhaust pipeline.
In the siphon oil-water separator described above, preferably, the multi-way valve is a three-way valve, one opening of the three-way valve is connected to the gas inlet and outlet, and the other two openings are connected to an air inlet pipeline and an exhaust pipeline, respectively.
Preferably, siphon oil water separator still includes the oil extraction pipe, the one end of oil extraction pipe via the oil outlet of stock solution cavity stretches into in the stock solution cavity, and with the oil extraction hose links to each other.
In the siphon oil-water separator, preferably, the bottom of the liquid storage cavity is a funnel-shaped funnel shape, and a water outlet is formed at the bottom of the funnel-shaped funnel shape.
Preferably, the siphon oil-water separator further comprises an oil discharge pipe, and one end of the oil discharge pipe extends into the liquid storage cavity through an oil outlet of the liquid storage cavity and is connected with the oil discharge hose;
the bottom of the liquid storage cavity is in a conical funnel shape, and a water outlet is formed at the bottom of the funnel shape.
Preferably, the siphon oil-water separator further comprises an oil discharge pipe, and one end of the oil discharge pipe extends into the liquid storage cavity through an oil outlet of the liquid storage cavity and is connected with the oil discharge hose;
the lateral wall of the liquid storage cavity is provided with an opening for connecting a liquid level meter.
Preferably, the siphon oil-water separator further comprises a multi-way valve, one opening of the multi-way valve is connected with the gas inlet and outlet, and any two openings of other openings of the multi-way valve are respectively connected with an air inlet pipeline and an exhaust pipeline;
the lateral wall of the liquid storage cavity is provided with an opening for connecting a liquid level meter.
In the siphon oil-water separator, preferably, an opening is formed in a side wall of the liquid storage cavity and used for connecting a liquid level meter;
the siphon oil-water separator also comprises a multi-way valve, one opening of the multi-way valve is connected with the gas inlet and outlet, and any two openings of other openings of the multi-way valve are respectively connected with an air inlet pipeline and an exhaust pipeline;
the siphon oil-water separator further comprises an oil discharge pipe, wherein one end of the oil discharge pipe extends into the liquid storage cavity through an oil outlet of the liquid storage cavity and is connected with the oil discharge hose.
In the siphon oil-water separator, the buoyancy drain ball, the oil drain hose, the liquid level meter, the oil drain pipe and other equipment are conventional equipment.
In addition, in the utility model, the connection and the connection are sealed connection and sealed connection, such as the connection between the oil outlet of the buoyancy drain ball and the oil drain hose, the connection between the side wall opening of the liquid storage cavity and the liquid level meter, the connection between the oil drain pipe and the oil drain hose, and the like;
in addition, when the oil discharge hose extends out of the liquid storage cavity through the oil outlet of the liquid storage cavity or one end of the oil discharge pipe extends into the liquid storage cavity through the oil outlet of the liquid storage cavity, the oil discharge hose or the oil discharge pipe and the oil outlet of the liquid storage cavity need to be sealed.
It is further right the utility model discloses a hydrocone type oil water separator explains, the utility model discloses still provide and use the utility model discloses a hydrocone type oil water separator carries out oil water separation's technology, the technology includes following step:
and opening the inlet valve, closing the outlet valve and communicating the three-way valve with the exhaust pipeline, so that the thermal desorption condensate of the oil-based drilling cuttings flows into the liquid storage cavity through the oil-water inlet.
Observing the liquid level meter, closing the inlet valve after the liquid storage cavity is filled with the condensate, and standing for oil-water gravity settling separation. Wherein, the density of the thermal desorption oil is 0.83-0.88g/mL, the density of water is 1g/mL, and the thermal desorption oil has strong hydrophobicity and is very suitable for gravity sedimentation.
After the oil and water are subjected to gravity settling separation, the three-way valve is communicated with the air inlet pipeline, and air is introduced into the liquid storage cavity from the air inlet pipeline to serve as initial driving air of a siphon effect. And after the siphon effect is formed, the three-way valve is communicated with the exhaust pipeline. The supernatant oil enters the floating liquid discharging ball and flows into the oil tank through the oil discharging hose and the oil discharging pipe. After the supernatant liquid is drained completely, the outlet valve is opened to let the lower layer clear water flow out, the front segment clear water is directly filled into the water tank through filtering, and a small amount of oil-water mixture on the interface enters the three-phase disc separator.
The siphon oil-water separator provided by the utility model realizes oil-water (such as oil-based drilling cuttings thermal desorption oil-water) separation without external power by utilizing gravity sedimentation and siphon phenomenon, and has low energy consumption; meanwhile, the oil is taken out from the upper end of the siphon-type oil-water separator, the water is taken out from the lower end of the siphon-type oil-water separator, the back mixing is small, the disturbance of an oil-water separation interface is small, the purity of the separated oil-water is high, and different liquid storage cavities can be set in different sizes to adapt to different process treatment amounts and realize the batch collection of the oil-water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a siphon oil-water separator according to embodiment 1 of the present invention.
The main reference numbers illustrate:
1. an inlet valve;
2. a liquid storage cavity;
3. an exhaust line;
4. an air intake line;
5. a buoyant liquid discharge ball;
6. an oil drain hose;
7. an oil discharge pipe;
8. a liquid level meter;
9. an outlet valve;
10. three-way valve.
Detailed Description
For a clearer understanding of the technical features, objects and advantages of the present invention, the technical solutions of the present invention will now be described in detail with reference to the following specific embodiments, but the present invention is not limited to the applicable scope.
Example 1
This embodiment provides a hydrocone type water oil separator, its schematic structure is shown in fig. 1, can see from fig. 1, hydrocone type water oil separator includes stock solution cavity, three way valve and oil drain pipe
The bottom of the liquid storage cavity 2 is a conical funnel shape, and a water outlet is formed at the bottom of the funnel shape;
an opening is formed in the side wall of the liquid storage cavity 2 and used for being connected with a liquid level meter 8;
an oil-water inlet, an oil outlet and a gas inlet and outlet are formed in the top of the liquid storage cavity 2;
one opening of the three-way valve 10 is connected with the gas inlet and outlet, and the other two openings are respectively connected with an air inlet pipeline 4 and an exhaust pipeline 3;
a buoyancy liquid discharging ball 5 is arranged in the liquid storage cavity 2, an oil inlet is formed right above the buoyancy liquid discharging ball 5, an oil outlet is formed in the side wall of the buoyancy liquid discharging ball, and the oil outlet is connected with an oil discharging hose 6;
one end of the oil drain pipe 7 extends into the liquid storage cavity 2 through an oil outlet of the liquid storage cavity 2 and is connected with the oil drain hose 6;
the oil-water inlet and the water outlet are respectively provided with an inlet valve 1 and an outlet valve 9.
The usage method of the siphon oil-water separator provided by the embodiment is as follows:
and opening the inlet valve, closing the outlet valve and communicating the three-way valve with the exhaust pipeline, so that the thermal desorption condensate of the oil-based drilling cuttings flows into the liquid storage cavity through the oil-water inlet.
Observing the liquid level meter, closing the inlet valve after the liquid storage cavity is filled with the condensate, and standing for oil-water gravity settling separation. Wherein, the density of the thermal desorption oil is 0.83-0.88g/mL, the density of water is 1g/mL, and the thermal desorption oil has strong hydrophobicity and is very suitable for gravity sedimentation.
After the oil and water are subjected to gravity settling separation, the three-way valve is communicated with the air inlet pipeline, and air is introduced into the liquid storage cavity from the air inlet pipeline to serve as initial driving air of a siphon effect. And after the siphon effect is formed, the three-way valve is communicated with the exhaust pipeline. The supernatant oil enters the floating liquid discharging ball and flows into the oil tank through the oil discharging hose and the oil discharging pipe. After the supernatant liquid is drained completely, the outlet valve is opened to let the lower layer clear water flow out, the front segment clear water is directly filled into the water tank through filtering, and a small amount of oil-water mixture on the interface enters the three-phase disc separator.
The siphon oil-water separator provided by the utility model realizes oil-water (such as oil-based drilling cuttings thermal desorption oil-water) separation without external power by utilizing gravity sedimentation and siphon phenomenon, and has low energy consumption; meanwhile, the oil is taken out from the upper end of the siphon-type oil-water separator, the water is taken out from the lower end of the siphon-type oil-water separator, the back mixing is small, the disturbance of an oil-water separation interface is small, the purity of the separated oil and water is high, and different liquid storage cavities can be set in different sizes to adapt to different process treatment amounts and realize the batch collection of the oil and water.
The above description is only for the specific embodiments of the present invention, and the scope of the present invention can not be limited by the embodiments, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should still belong to the scope covered by the present patent.
Claims (10)
1. A siphonic oil-water separator, comprising: the top of the liquid storage cavity is provided with an oil-water inlet, an oil outlet and a gas inlet and outlet; a water outlet is formed in the bottom of the liquid storage cavity; a buoyancy liquid discharging ball is arranged in the liquid storage cavity, an oil inlet is formed right above the buoyancy liquid discharging ball, an oil outlet is formed in the side wall of the buoyancy liquid discharging ball, the oil outlet of the buoyancy liquid discharging ball is connected with an oil discharging hose, and the oil discharging hose extends out of the liquid storage cavity through the oil outlet of the liquid storage cavity;
the oil-water inlet and the water outlet are respectively provided with an inlet valve and an outlet valve.
2. The siphonic oil-water separator according to claim 1, wherein the side wall of the reservoir chamber is provided with an opening for connection to a liquid level meter.
3. The siphonic oil-water separator according to claim 1, further comprising a multi-way valve, wherein one opening of the multi-way valve is connected to the gas inlet/outlet, and any two of the other openings of the multi-way valve are connected to an air inlet pipeline and an exhaust pipeline respectively.
4. The siphonic oil-water separator according to claim 3, wherein the multi-way valve is a three-way valve, one opening of the three-way valve is connected to the gas inlet and outlet, and the other two openings are connected to an air inlet pipeline and an exhaust pipeline respectively.
5. The siphonic oil-water separator according to claim 1, further comprising an oil drain pipe, wherein one end of the oil drain pipe extends into the liquid storage cavity through the oil outlet of the liquid storage cavity and is connected to the oil drain hose.
6. The siphonic oil-water separator according to claim 1, wherein the bottom of the liquid storage chamber is funnel-shaped, and the bottom of the funnel-shaped forms the water outlet.
7. The siphonic oil-water separator according to claim 1, further comprising an oil drain pipe, wherein one end of the oil drain pipe extends into the liquid storage cavity through the oil outlet of the liquid storage cavity and is connected with the oil drain hose;
the bottom of the liquid storage cavity is in a conical funnel shape, and a water outlet is formed at the bottom of the funnel shape.
8. The siphonic oil-water separator according to claim 1, further comprising an oil drain pipe, wherein one end of the oil drain pipe extends into the liquid storage cavity through the oil outlet of the liquid storage cavity and is connected with the oil drain hose;
the lateral wall of the liquid storage cavity is provided with an opening for connecting a liquid level meter.
9. The siphonic oil-water separator according to claim 1, further comprising a multi-way valve, wherein one opening of the multi-way valve is connected with the gas inlet and outlet, and any two of the other openings of the multi-way valve are respectively connected with an air inlet pipeline and an exhaust pipeline;
the lateral wall of the liquid storage cavity is provided with an opening for connecting a liquid level meter.
10. The siphonic oil-water separator according to claim 1, wherein the side wall of the liquid storage chamber is provided with an opening for connecting a liquid level meter;
the siphon oil-water separator also comprises a multi-way valve, one opening of the multi-way valve is connected with the gas inlet and outlet, and any two openings of other openings of the multi-way valve are respectively connected with an air inlet pipeline and an exhaust pipeline;
the siphon oil-water separator further comprises an oil discharge pipe, wherein one end of the oil discharge pipe extends into the liquid storage cavity through an oil outlet of the liquid storage cavity and is connected with the oil discharge hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583951.7U CN212662774U (en) | 2020-04-17 | 2020-04-17 | Siphon oil-water separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020583951.7U CN212662774U (en) | 2020-04-17 | 2020-04-17 | Siphon oil-water separator |
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| Publication Number | Publication Date |
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| CN212662774U true CN212662774U (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020583951.7U Active CN212662774U (en) | 2020-04-17 | 2020-04-17 | Siphon oil-water separator |
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