CN105498292A - Oil and water separating device - Google Patents

Abstract

The invention relates to an oil-water separation device, which comprises a U-shaped transparent hose (2), a liquid reservoir (1) connected to the top of one arm of the U-shaped transparent hose (2), and a liquid reservoir (1) connected to the U-shaped transparent hose (2). ) The T-shaped tee pipe (8) connected to the top of the other arm, the upper side of the liquid reservoir (1) has an oil phase overflow port (7), and the T-shaped tee pipe (8) includes a water phase The first pipe (8-1) for emptying, the second pipe (8-2) for draining, and the third pipe (8) perpendicular to the first pipe (8-1) and the second pipe (8-2) -3), the third pipe (8-3) of the T-shaped three-way pipe (8) is set horizontally and connected with the U-shaped transparent hose (2), wherein the elevation of the oil phase overflow port (7) is the same as that of the T-shaped The difference in elevation of the three-way pipe (8) and the third pipe (8-3) is ΔH<H(ρwater _{- ρoil} )/ _ρwater . The device has a simple structure, is easy to realize oil-water separation, and can indicate the progress status of the upstream process.

Description

Oil-water separation device

technical field

The invention belongs to the technical field of liquid separation, and in particular relates to an oil-water separation device.

Background technique

In the radiochemical heat experiment of nuclear power plants, the highly radioactive aqueous phase liquid is replaced by an inert oil phase liquid to avoid direct contact of the pump with strong radioactive substances. This liquid delivery method will cause a small amount of oil phase to be entrained in the aqueous phase liquid. The oil phase needs to be separated.

Contents of the invention

In view of the defects existing in the prior art, the object of the present invention is to provide an oil-water separation device, which has a simple structure, is easy to realize oil-water separation, and can indicate the progress status of the upstream process.

In order to achieve the above object, the technical solution adopted in the present invention is: an oil-water separation device, which is characterized in that it includes a U-shaped transparent hose, a liquid reservoir connected to the top of one arm of the U-shaped transparent hose, and a liquid reservoir connected to the top of the U-shaped transparent hose. The top of the other arm is connected to the T-shaped tee pipe, and the upper side of the liquid reservoir is opened with an oil phase overflow port, and the oil phase overflow port is connected to the oil phase outlet pipe, and the T-shaped tee pipe includes a water phase The first pipe for emptying, the second pipe for drainage and the third pipe vertical to the first pipe and the second pipe, the third pipe of the T-shaped three-way pipe is arranged horizontally and connected to the U-shaped transparent hose, where , the difference between the elevation of the oil phase overflow port and the elevation of the third pipe of the T-shaped tee pipe ΔH<H(ρwater _{- ρoil} )/ _ρwater , ρwater and _ρoil respectively represent the density of the _water phase and the density of the oil phase .

Further, the top of the liquid reservoir is provided with a liquid reservoir cover, and the liquid reservoir cover is respectively provided with a liquid inlet pipe and a vent pipe inserted into the liquid reservoir; wherein, one end of the liquid inlet pipe extending into the liquid reservoir is located at the In the middle and lower part of the liquid container, one end of the vent pipe extending into the liquid container is located above the liquid level of the liquid container.

Still further, a siphon sampling tube inserted into the liquid storage is provided on the cover of the liquid storage, and one end of the siphon sampling tube extending into the liquid storage is located at the inner bottom of the liquid storage.

Furthermore, there is a siphon buffer bottle with a tapered sample outlet at the bottom of the U-shaped transparent hose. The top of the siphon buffer bottle is connected to a vacuum suction port. in the bottle.

Furthermore, a shut-off valve is provided at the end of the siphon sampling tube close to the siphon buffer bottle.

The oil-water separation device provided by the invention utilizes the density difference between the water phase and the oil phase to separate the oil phase from the water phase. It has a simple structure, is easy to operate, and can indicate the progress status of the upstream process; The transparent hose is convenient for fine-tuning the height of the third pipe of the T-shaped tee pipe, thereby fine-tuning the height of the water phase outlet.

Description of drawings

Fig. 1 is a structural schematic diagram of an oil-water separation device provided by the present invention.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, the oil-water separation device provided by the present invention includes a U-shaped transparent hose 2, a liquid reservoir 1 connected to the top of one arm of the U-shaped transparent hose 2, and the other arm of the U-shaped transparent hose 2. A T-shaped tee pipe 8 connected to the top, an oil phase overflow port 7 is opened on the upper side of the liquid reservoir 1, and an oil phase outlet pipe 6 is connected to the oil phase overflow port 7, and the T-shaped tee pipe 8 includes a The first pipe 8-1 for emptying the water phase, the second pipe 8-2 for drainage and the third pipe 8-3 perpendicular to the first pipe 8-1 and the second pipe 8-2, T-shaped tee The third pipe 8-3 of the pipe 8 is arranged horizontally and connected with the U-shaped transparent hose 2, wherein the difference between the elevation of the oil phase overflow port and the elevation of the third pipe 8-3 of the T-shaped tee pipe 8 is ΔH <H(ρwater _{- ρoil} )/ _ρwater , ρwater and ρoil represent _water phase density and _oil phase density respectively.

The device utilizes the density difference between the water phase and the oil phase to separate the oil phase from the water phase. When the oil-water two-phase outlet height difference is less than the liquid level height difference when the pressures at both ends are equal, the oil-water separation can be realized.

In the present invention, a liquid reservoir cover 1-1 is arranged on the top of the liquid reservoir 1 . Moreover, a liquid inlet pipe 3 and a discharge pipe 5 inserted into the liquid reservoir 1 are respectively provided on the liquid reservoir cover 1 - 1 . Wherein, one end of the liquid inlet pipe 3 protruding into the liquid reservoir 1 is located at the middle and lower part of the liquid reservoir 1 , so as to introduce the oil-water mixture to be separated into the liquid reservoir 1 . One end of the vent pipe 5 extending into the liquid reservoir 1 is located above the liquid level of the liquid reservoir 1 .

In order to sample and analyze the residual liquid left in the liquid reservoir 1 after separation, the present invention is also provided with a siphon sampling tube 4 inserted into the liquid reservoir 1 on the liquid reservoir cover 1-1, and the siphon sampling tube 4 extends into the One end of the reservoir 1 is located at the bottom of the reservoir 1 .

In order to produce a siphon effect, correspondingly, the present invention is provided with a siphon buffer bottle 10 with a tapered sample outlet at the bottom below the U-shaped transparent hose 2, and makes the other end of the siphon sampling tube 4 pass through the top of the siphon buffer bottle 10 It extends into the siphon buffer bottle 10, and a vacuum suction interface 11 is connected to the top of the siphon buffer bottle 10, so as to connect to a vacuum suction source. A sample container 12 for collecting samples may be provided at the tapered sample outlet of the siphon buffer bottle 10 .

In addition, the end of the siphon sampling tube 4 close to the siphon buffer bottle 10 is provided with a stop valve 9, which can be opened during sampling.

The structures described in the present invention are not limited to the examples described in the specific implementation manners. Those skilled in the art can obtain other implementation manners according to the technical solutions of the present invention, which also belong to the technical innovation scope of the present invention.

Claims (5)

1. The oil-water separation device is characterized in that it comprises a U-shaped transparent hose (2), a liquid reservoir (1) connected to the top of one arm of the U-shaped transparent hose (2) and a U-shaped transparent hose (2) ) the T-shaped tee pipe (8) connected to the top of the other arm, an oil phase overflow port (7) is opened on the upper side of the liquid reservoir (1), and an oil phase outlet pipe (7) is connected to the oil phase overflow port ( 6), the T-shaped tee pipe (8) includes the first pipe (8-1) for water phase venting, the second pipe (8-2) for drainage and the first pipe (8-1), The third pipe (8-3) of the second pipe (8-2) is vertical, and the third pipe (8-3) of the T-shaped three-way pipe (8) is arranged horizontally and connected with the U-shaped transparent hose (2) , wherein, the difference between the elevation of the oil phase overflow port (7) and the elevation of the third pipe (8-3) of the T-shaped tee pipe (8) ΔH<H(ρwater _{- ρoil} )/ _ρwater , ρ _Water and ρoil represent the density of the water phase and the density of the _oil phase, respectively. 2. The oil-water separation device according to claim 1, characterized in that, the top of the reservoir (1) is provided with a reservoir cover (1-1), and the reservoir cover (1-1) is respectively provided with an insert The liquid inlet pipe (3) and the vent pipe (5) in the liquid reservoir (1); wherein, the end of the liquid inlet pipe (3) extending into the liquid reservoir (1) is located in the middle of the liquid reservoir (1) At the bottom, one end of the vent pipe (5) extending into the liquid reservoir (1) is located above the liquid level of the liquid reservoir (1). 3. The oil-water separation device according to claim 2, characterized in that, the liquid reservoir cover (1-1) is also provided with a siphon sampling tube (4) inserted into the liquid reservoir (1), the siphon sampling tube ( 4) One end protruding into the liquid reservoir (1) is located at the inner bottom of the liquid reservoir (1). 4. The oil-water separation device according to claim 3, characterized in that, the bottom of the U-shaped transparent hose (2) is provided with a siphon buffer bottle (10) with a tapered sample outlet at the bottom, and the top of the siphon buffer bottle (10) is A vacuum suction interface (11) is connected, and the other end of the siphon sampling tube (4) passes through the top of the siphon buffer bottle (10) and extends into the siphon buffer bottle (10). 5. The oil-water separation device according to claim 4, characterized in that a stop valve (9) is provided on the end of the siphon sampling pipe (4) close to the siphon buffer bottle (10).