WO2014117666A1

WO2014117666A1 - Dynamic and static oil-water separation apparatus and oil-water separation method

Info

Publication number: WO2014117666A1
Application number: PCT/CN2014/071067
Authority: WO
Inventors: 韩明海
Original assignee: 张家港易化设备科技有限公司
Priority date: 2013-01-31
Filing date: 2014-01-22
Publication date: 2014-08-07
Also published as: CN103961906A; CN103961906B

Abstract

Provided is an oil-water separation apparatus disposed in a container (5). The oil-water separation apparatus comprises at least one first connecting rod (1) and a floating block unit. The first connecting rod (1) is vertically disposed in the container (5), and at least one end portion of the first connecting rod (1) is fixedly connected to the top or bottom in the container (5). The floating block unit comprises at least two floating balls (2, 3) slidably disposed on the first connecting rod (1) in a penetrating mode, and the specific gravity of the floating block unit is greater than the specific gravity of oil (51) and less than the specific gravity of water (52). Further provided is an oil-water separation method using the apparatus. The apparatus and method have the following advantages of being stable and accurate in oil-water separating surface (53) determination, simple in structure, low in cost and easy to maintain.

Description

Dynamic static oil-water separation device and oil-water separation method

The invention relates to the field of oil-water separation technology, in particular to a dynamic static oil-water separation device and a water-oil separation method. Background technique

In the current market, oil-water separation of oil-water mixtures is achieved by measuring the oil-water interface. For the determination of oil-water interface, there are (immersive) float level gauges that use buoyancy changes, differential pressure level gauges that use heavy changes, and capacitive level gauges that use electrical properties, RF admittance level gauges, and magnetics. Telescopic level gauge, magnetic flap level gauge, etc.

Since the overall density and the electrolysis constant of the oil-water mixture are generally not very stable, it is easy to generate a serious measurement error by using the above-mentioned existing liquid level measuring device, especially in the measurement of the dynamic oil-water interface, because The transition of the oil-water interface and the mobility during the pumping process of oil-water separation make the oil-water interface difficult to measure, causing the oil-water to be unable to be effectively separated (the oil-water mixture or oil is extracted together when pumping), making the stability of the measurement And the accuracy is affected; at the same time, the above-mentioned measuring device also has the disadvantages of complicated structure, high cost, and inconvenient maintenance. Summary of the invention

The object of the present invention is to provide a dynamic and static oil-water separation device which is progressive in stability and accuracy measured at the oil-water interface, simple in structure, low in cost and easy to maintain, and also provides a solution to the above problems. An oil-water separation method using the device.

In order to achieve the above object, the present invention provides the following technical solutions:

The static and dynamic oil-water separation device is disposed in the container and comprises:

At least one first connecting rod disposed vertically in the container, at least one end of which is fixedly connected to a top or a bottom of the container; The floating block unit comprises at least two floating balls slidably disposed on the first connecting rod, the floating block unit having a specific gravity greater than a specific gravity of the oil and less than a specific gravity of the water.

Further, the oil-water separation device further includes at least one second connecting rod, wherein the at least two floating balls are connected by the second connecting rod, and the two ends of the second connecting rod are detachably coupled to the at least two floating balls respectively Connection, for adjusting the distance of the at least two floats.

Further, the at least two floating balls are sleeved on the first link.

Further, the second link is disposed parallel to the first link.

Further, at least one of the at least two floating balls is further provided with a magnet, and the first link is arranged with a plurality of magnetic sensors.

Still further, the first link is a hollow structure, and the plurality of magnetic sensors are disposed inside the first link.

Further, the plurality of magnetic sensors are signal-connected to an external control device for transmitting a control signal to the external control device, and the external control device controls opening and closing of the valve to drive the separation of the oil and water.

The oil-water separation method comprises the following steps:

1) Input the oil-water mixture into the container. The floating block unit is above the water surface below the oil surface because its specific gravity is greater than the specific gravity of the oil and less than the specific gravity of the water. The oil-water interface is located between at least two floats to complete the oil-water interface. Determination

2) The magnet in the float triggers the magnetic sensor at the corresponding position in the first link, the magnetic sensor sends a control signal to the external control device, and the external control device controls the opening and closing of the valve of the container to release water and/or oil, completing Oil and water separation.

Further, in the above step 2), the external control device controls the opening and closing of the water outlet and the oil outlet of the container to discharge water and oil, respectively, to complete the separation of the oil and water.

The beneficial effects of adopting the above technical solutions are as follows:

1. A dynamic and static oil-water separation device provided by the present invention includes at least one first link and a slider unit in a necessary technical solution, the slider unit includes at least two floats, and the first link is vertically disposed In the container, at least one end portion thereof is fixedly connected to the top or the bottom of the container, and at least two floating balls of the floating block unit are slidably disposed on the first connecting rod, and the specific gravity of the floating block unit is greater than the specific gravity of the oil. And less than the specific gravity of water, you can see The structure of the device is relatively simple compared to the existing measuring device, which in turn reduces the cost of construction and maintenance. More importantly, the measuring device of the present invention places at least two floats between the oil and water interfaces. And slidingly sleeved on the first connecting rod fixedly disposed in the container, so that the floating ball can only move along the first link, ie, the Y axis, and cannot move along the X axis and the z axis, thereby effectively determining the oil water The interface reduces the problem of unstable measurement and low precision caused by disturbance of the dynamic oil-water liquid in particular, which further solves the problem that the original oil-water separation and discharge cannot be effectively performed due to unstable measurement and low precision. Both the static oil-water level and the dynamic oil-water level can be effectively measured, so that the oil-water separation process can achieve effective oil-water separation, and the measurement is performed by the floating block unit, and the oil-moisture interface is determined compared with the original single-set float ball. It also makes the measurement results more accurate;

2. In a preferred embodiment of the present invention, in addition to the technical solution described in the benefit effect 1, there is provided a technical solution including at least one second link in the dynamic static oil-water separation device of the present invention, at least Two float balls are connected by the second connecting rod, and two ends of the second connecting rod are respectively detachably connected with at least two floating balls, so that the distance between the at least two floating balls can be adjusted, so that the oil moisture interface is at least Between the two float balls, when it is necessary to increase or decrease the distance, only the two float balls need to be detached from the second link and positioned at different positions on the second link;

3. In a preferred embodiment of the present invention, in addition to the technical solution described in the advantageous effects 1 and 2, further preferably, at least one of the at least two float balls is further provided with a magnet, and the first connection The rod is preferably a hollow structure in which a plurality of magnetic sensors are arranged, the plurality of magnetic sensors preferably being in signal connection with an external control device, since the magnets in the float can trigger the magnetic sensors at corresponding positions of the first link The magnetic sensor sends a control signal to the external control device, and the external control device can control the opening and closing of the valve of the container through the control signal to release water or oil, automatically complete the separation of the oil and water, and improve the oil moisture interface precision in the beneficial effect 1) On the basis of high stability and stability, the separation of oil and water can be completed automatically, efficiently and accurately, which is quite advanced compared with the prior art;

4. The oil-water separation method using the dynamic static oil-water separation device provided by the present invention has the same beneficial effects as those obtained in the above points. DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the configuration of a static and dynamic oil-water separation apparatus of the present invention in the first embodiment.

Figure 2 is an enlarged schematic view of a portion A of Figure 1.

Fig. 3 is a view showing the structure of the dynamic static oil-water separation apparatus of the present invention applied to a container in the first embodiment. detailed description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

As shown in FIG. 1-3, the dynamic and static oil-water separation device in this embodiment is disposed in the container 5, and includes: a first connecting rod 1 vertically disposed in the container 5, the first connecting rod 1 At least one end portion is fixedly connected to the top or the bottom of the container 5, that is, the upper end portion thereof is fixedly connected to the top portion or the lower end portion is fixedly connected to the bottom portion, or the upper and lower end portions thereof may be fixedly connected to the top portion of the container 5 respectively. And a bottom block; the floating block unit includes a first float ball 2 and a second float ball 3 slidably disposed on the first link 1, the specific gravity of the first float ball 2 being set to be larger than the specific gravity of the oil 51 and smaller than The specific gravity of the water 52, due to the action of the second connecting rod 4, causes the first floating ball 2 which is supposed to float on the water surface and sinks to the oil bottom to be slightly above the oil moisture interface and is in the oil, the second floating ball 3, which can Slidably disposed on the first connecting rod 1 and connected to the lower side of the first floating ball 1, the specific gravity of the second floating ball 3 is set to be larger than the specific gravity of the water 52, and due to the action of the second connecting rod 4, the floating rod is required to float The second float 3 on the bottom of the water is slightly lower than the oil moisture The interface is in the water. The average specific gravity of the slider unit is set to be larger than the specific gravity of the oil and smaller than the specific gravity of the water.

The number of the above-mentioned floats is not limited to two, and may be set to more than two as needed. In the present embodiment, it is preferable to use two floats, and therefore at least two should be provided.

The first float ball 2 and the second float ball 3 described above are both spheres in this embodiment, but the first float ball 1 and the second float ball 3 may also be provided in other shapes, particularly the second float ball 3, It can be set to a shape such as a rod shape or a block shape.

As shown in FIG. 1-3, the oil-water separation device of the present invention further includes a second connecting rod 4, and the second floating ball 3 is connected to the lower side of the first floating ball 1 through the second connecting rod 4, and the two ends thereof are respectively The first float ball 2 and the second float ball 3 are detachably connected for adjusting the distance between the two float balls, specifically, at one end of the first float ball 2 and the second float ball 3, of course The connection may be provided at other locations, and the first float 1 and the second float 3 may be caused to slide up and down along the first link 1 in synchronization.

The second connecting rod 4 can be implemented by using a screw. At one end of the first floating ball 1 and the second floating ball 3, an ear piece having a screw hole is disposed, and the screw is inserted into the ear piece to pass through The adjusting screw can adjust the distance between the first floating ball 1 and the second floating ball 3. When the liquid level is wide, the distance needs to be adjusted to be longer, and vice versa.

The second link 4 described above may also be disposed parallel to the first link 1 such that the first float 1 and the second float 3 can be more closely attached to the first link 1 for sliding up and down.

The first float ball 2 and the second float ball 3 are sleeved on the first link 1, and slide up and down along the outer wall of the first link 1.

The specific gravity of the first float ball 1 and the second float ball 3 described above should be adjusted according to the specific gravity of the oil and water, but it should not exceed the range given by the technical solution. The second float 3 should be heavier than the first float 2.

The number of the first link 1 and the second link 4 described above are all set to one in the embodiment, but the number thereof can be adjusted according to the process requirements, and the length of the second link 4 can also be according to the process requirements. Make adjustments. If the volume and mass of the slider unit are larger than those of the slider unit in this embodiment, when one first link 1 may not be sufficient for support, more than one solution may be adopted, and when multiple first links 1 are provided It can be arranged in parallel, and a pair of larger floating block units can be better supported; and, in order to improve the connection stability between the first floating ball 1 and the second floating ball 3, to improve the synchronization of the sliding, More than one second link 4 may be provided at both end ends of the first float ball 1 and the second float ball 3.

The second link 4 described above is connected to one end of the first float 1 and the second float 3, and may of course be connected in the middle of the relative position between the first float 1 and the second float 3. Department or other parts are all possible. As shown in FIG. 1, the above-mentioned second floating ball 3 is further provided with a magnet 31. The first connecting rod 1 is arranged with a plurality of magnetic sensors, specifically, a HI liquid level magnetic sensor 11 for measuring a HI liquid level and The H2 level magnetic sensor 12 of the H2 level is measured. The plurality of magnetic sensors are used to cooperate with the magnet 31 described above, and the magnet 31 is used to drive the plurality of magnetic sensors.

The plurality of magnetic sensors, i.e., the HI liquid level magnetic sensor 11 and the H2 liquid level magnetic sensor 12, may be evenly arranged on the first link 1.

As shown in FIG. 1, the first link 1 is a hollow structure, and a plurality of magnetic sensors, that is, a HI liquid level magnetic sensor 11 and a H2 liquid level magnetic sensor 12 are disposed inside the first link 1, which can prevent external liquid. Damage to the magnetic sensor.

The above magnetic sensor may also be fixedly attached to the outer wall of the first link 1, and a waterproof case may be provided on the outside.

The above-mentioned HI liquid level magnetic sensor 11 and H2 liquid level magnetic sensor 12 are also signally connected to an external control device (not shown) for issuing a control signal to the external control device, and the container 5 is controlled by the external control device. The opening and closing of the valve, that is, driving the valve 541 on the water outlet 54, releases water to drive the separation of the oil and water. During the separation process, a little water needs to be retained and the oil overflows from the oil outlet 55. Valve 541 can be implemented using a solenoid valve.

A valve may also be provided at the above-mentioned oil outlet 55, and a solenoid valve is preferably provided to achieve the purpose of controlling the amount of oil discharged.

Next, the oil-water separation method in the present embodiment will be described with reference to Figs. 1-3, which comprises the following steps:

1) input the oil-water mixture into the container 5, since the specific gravity of the floating block unit is greater than the specific gravity of the oil 52 and less than the specific gravity of the water 51, it is above the water surface of the oil surface, that is, just at the oil-water interface 53, the oil-water interface is located Between the first float ball 1 and the second float ball 3, the determination of the oil moisture interface 53 is completed;

2) At this time, the magnet 31 in the second float 3 triggers the magnetic sensor at the corresponding position in the first link 1, the magnetic sensor sends a control signal to the external control device, and the external control device controls the opening and closing of the valve 541 of the container 5, The water 51 is discharged to complete the separation of the oil and water, and the oil is discharged through the oil outlet 55. It is also possible to provide a valve at the oil outlet 55 to control the valve to release the oil. In the above step (1), the first float ball 2 and the second float ball 3 may be further adjusted to adjust the positions applicable to the first float ball 1 and the second float ball 3 on the second link 4 The case of deviation.

In the above step 2), the external control device may be arranged to simultaneously control the opening and closing of the water outlet 54 and the oil outlet 55 of the container 5 to discharge water and oil, respectively, to complete the separation of the oil and water.

Example 1

Others are the same as those of Embodiment 1, except that the magnet 31 is disposed in the first float 2.

Example 3

Others are the same as those of the first embodiment except that the magnet 31 is also disposed in the first float 2.

Example 4

Others are the same as the contents of Embodiment 1, except that the second link 4 is removed, and the first float ball 2 and the second float ball 3 are provided in one piece, and the upper half of the integrated unit is set to be the first A float 2, the lower half is set as the second float 3, forming a special block unit that is lightly weighted.

The working principle of the present invention is described below:

The oil-water mixture is input into the container 5, and according to the buoyancy principle, the first float 2 has a specific gravity greater than the specific gravity of the oil 52 and less than the specific gravity of the water 51, and is above the water surface of the oil surface, and the specific gravity of the second float 3 is greater than The specific gravity of the water, the average weight of the floating block unit composed of the first float ball 1 and the second float ball 3 is greater than the specific gravity of the oil and smaller than the specific gravity of the water, and the oil moisture interface is located at the first float ball 1 and the second float ball 3 The first float ball 1 and the second float ball 3 are slidably disposed on the first link 1 fixedly disposed in the container 5 such that the first float ball 2 and the second float ball 3 can only follow the first link The rod 1 is moved in the Y-axis, and the first float ball 1 and the second float ball 3 are prevented from moving along the X-axis and the Z-axis, thereby effectively reducing measurement instability and precision caused by particularly dynamic oil-water liquid disturbance. The problem of low degree; when the oil-water mixture is continuously input into the container 5, the first float 2 and the second float 3 also rise continuously, and when rising to the H2 level, the magnet 31 first triggers the first connection The H2 liquid level magnetic sensor 12 on the rod 1 and the H2 liquid level magnetic sensor 12 are sent to the external control device. Valve control signal 541 No., the pumping is started, and the external control device first opens the valve 541 of the container 5 to discharge the water 51. After the water 51 is discharged, the second float ball 3 naturally descends, and when it is lowered to the HI liquid level, the magnet 31 therein again The HI liquid level magnetic sensor 11 is triggered, and the HI liquid level magnetic sensor 11 sends a control signal for closing the valve 541 to the external control device, and the external control device closes the valve 541 to stop pumping. When the oil amount rises, the oil 52 passes through the oil outlet 55. release. It is also possible to add the first float 1 and/or the second float 3 to adjust the deviation of the positions applicable to the first float 2, the second float 3, and the second link 4.

The beneficial effects obtained by the above embodiments are as follows:

1. A dynamic and static oil-water separation device provided by the present invention includes at least one first link and a slider unit in a necessary technical solution, the slider unit includes at least two floats, and the first link is vertically disposed In the container, at least one end portion thereof is fixedly connected to the top or the bottom of the container, and at least two floating balls of the floating block unit are slidably disposed on the first connecting rod, and the specific gravity of the floating block unit is greater than the specific gravity of the oil. And less than the specific gravity of water, it can be seen that the structure of the device is relatively simple compared to the existing measuring device, correspondingly reducing the cost of construction and maintenance, and more importantly, the measuring device of the present invention will have at least two The floating ball is located between the oil-water interface and slidably sleeved on the first connecting rod fixedly disposed in the container, so that the floating ball can only move along the first link, ie, the Y-axis, and cannot follow the X-axis and the z-axis. Movement, which can effectively determine the oil-water interface, reduce the problem of measurement instability and low accuracy caused by the dynamic oil-water liquid disturbance, which makes the original unstable and accurate due to the measurement. Problems caused by low oil-water separation can not be effectively resolved emissions. Both the static oil-water level and the dynamic oil-water level can be effectively measured, so that the oil-water separation process can achieve effective oil-water separation, and the measurement is performed by the floating block unit, and the oil-moisture interface is determined compared with the original single-set float ball. It also makes the measurement results more accurate;

2. In a preferred embodiment of the present invention, in addition to the technical solution described in the benefit effect 1, there is provided a technical solution including at least one second link in the dynamic static oil-water separation device of the present invention, at least Two float balls are connected by the second connecting rod, and two ends of the second connecting rod are respectively detachably connected with at least two floating balls, so that the distance between the at least two floating balls can be adjusted, so that the oil moisture interface is at least Between the two floats, when it is necessary to increase or decrease the distance, only need to disassemble at least two floats from the second link and position them in the first Different positions on the two links can be reached;

4. The oil-water separation method using the dynamic static oil-water separation device provided by the present invention has the same beneficial effects as those obtained in the above points.

The above is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept. The scope of protection of the invention.

Claims

Rights request

1. A dynamic static oil-water separation device, disposed in a container, wherein: the oil moisture separation device comprises:

At least one first link disposed vertically in the container, at least one end of which is fixedly coupled to a top or a bottom of the container;

The floating block unit includes at least two floating balls slidably disposed on the first connecting rod, the floating block unit having a specific gravity greater than a specific gravity of the oil and less than a specific gravity of the water.

The oil-water separation device according to claim 1, further comprising at least one second connecting rod, wherein the at least two floating balls are connected by the second connecting rod, and the two second connecting rods The ends are detachably connected to the at least two float balls, respectively, for adjusting the distance of the at least two float balls.

The oil-water separation device according to claim 2, wherein the at least two float balls are sleeved on the first link.

The oil-water separation device according to claim 2, wherein the second link is disposed parallel to the first link.

The oil-water separation device according to claim 1, wherein at least one of the at least two float balls is further provided with a magnet, and the first link is provided with a plurality of magnetic sensors arranged in series.

The oil-water separation device according to claim 5, wherein the first link is a hollow structure, and the plurality of magnetic sensors are disposed inside the first link.

The oil-water separation device according to claim 5 or 6, wherein: the plurality of magnetic sensors are signal-connected to an external control device for issuing a control signal to the external control device, through the external control The device controls the opening and closing of the valve of the container to drive the separation of the oil and water.

8. Oil-water separation method, characterized in that: the following steps are included:

1) inputting a mixture of oil and water into the container. The floating block unit is located above the water surface below the oil surface because its specific gravity is greater than the specific gravity of the oil and less than the specific gravity of the water. The oil moisture interface is located between at least two floating balls of the floating block unit. Complete the determination of the oil moisture interface;

2) The magnet in the float triggers the magnetic sensor at the corresponding position in the first link, the magnetic sensor A control signal is sent to the external control device, and the external control device controls the opening and closing of the valve of the container to discharge water and/or oil to complete the separation of the oil and water.

The oil-water separation method according to claim 8, wherein in the first step, the external control device controls opening and closing of the water outlet and the oil outlet of the container to discharge water and oil, respectively, to complete the oil water. Separation.