CN211215543U

CN211215543U - Three-phase separator

Info

Publication number: CN211215543U
Application number: CN201922071498.1U
Authority: CN
Inventors: 程逵炜; 孙兆虎; 邹鑫; 赵重阳
Original assignee: Zhongke Ruiling Beijing Low Temperature Equipment Co ltd
Current assignee: Zhongke Ruiling Beijing Low Temperature Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-11
Anticipated expiration: 2029-11-25

Abstract

The utility model relates to a separation device, in particular to a three-phase separator, which comprises a shell, a division plate and an L-shaped plate, wherein the division plate is fixedly connected in the shell to divide the inner part of the shell into an oil-water chamber and a water accumulation chamber; the outer side wall of the shell is fixedly connected with a pipeline for communicating the oil-water chamber with the water accumulation chamber, and the pipeline is provided with a valve; the outer side wall of the shell is fixedly connected with a liquid inlet communicated with the oil-water cavity, a water outlet communicated with the water accumulation cavity and an oil outlet communicated with the oil storage cavity at positions corresponding to the oil-water cavity, the water accumulation cavity and the oil storage cavity respectively; the positions of the bottom wall of the shell, which correspond to the oil-water chamber and the water accumulation chamber, are respectively and fixedly connected with a sewage discharge outlet communicated with the oil-water chamber and the water accumulation chamber. The utility model has the advantages that can effectually separate oil, water, gas, make things convenient for the staff to carry out recycle to intermediate layer recoverable water simultaneously, reduce the waste of water resource.

Description

Three-phase separator

Technical Field

The utility model relates to a splitter especially relates to a three-phase separator.

Background

The oily wastewater mainly comes from petroleum, petrochemical industry, steel, coking, gas generation stations, machining and other industrial departments. Except that the relative density of heavy tar in the oil pollutants in the wastewater is more than 1.1, the relative density of the rest oil pollutants is less than 1.

The oily wastewater has adverse effects on human beings, animals, plants and even the whole ecological system, and the harm is mainly reflected in the following two aspects:

1. hazards to the enterprise: the wastewater containing the emulsified oil can be settled together with suspended particles and iron scales in the wastewater in process facilities and pipeline equipment to form oil sludge with larger viscosity, so that pipelines and equipment are blocked to influence the normal operation of production;

2. harm to the environment: the influence of oil substances on the environment is manifold, such as water pollution, oil film formation on the water surface can block the reoxygenation of the water, and due to the reduction of dissolved oxygen in the water, the photosynthesis of algae is limited, the normal growth of aquatic organisms is influenced, so that the aquatic animals and plants have oil smell or toxicity, even the water body is smelled, and the utilization value of water resources is damaged.

The three-phase separator mainly has the effect of separating oil, water and gas, and actually, oily sewage can be divided into three layers in the oil-water separator, namely an oil layer, a middle layer and an impurity precipitation layer, wherein the middle layer does not contain oil or impurities or contains a small amount of impurities, and part of water can be recycled as the middle layer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a three-phase separator, its advantage is that can effectually separate oil, water, gas, makes things convenient for the staff to carry out recycle to intermediate layer recoverable water simultaneously, has reduced the waste of water resource.

The above technical purpose of the present invention can be achieved by the following technical solutions: a three-phase separator comprises a shell, a partition plate fixedly connected in the shell to divide the inner part of the shell into an oil-water chamber and a water accumulation chamber, and an L-shaped plate fixedly connected to one side, close to the water accumulation chamber, of the partition plate, wherein an oil storage chamber is formed among the L-shaped plate, the partition plate and the inner wall of the shell, the upper end surface of the partition plate is lower than the top wall of the shell, and a gas phase passage is arranged on the outer top wall of the shell;

a pipeline for communicating the oil-water chamber with the water accumulation chamber is fixedly connected to the outer side wall of the shell, and a valve is mounted on the pipeline;

the outer side wall of the shell is fixedly connected with a liquid inlet communicated with the oil-water cavity, a water outlet communicated with the water accumulation cavity and an oil outlet communicated with the oil storage cavity at positions corresponding to the oil-water cavity, the water accumulation cavity and the oil storage cavity respectively; and the positions of the bottom wall of the shell, which correspond to the oil-water chamber and the water accumulation chamber, are respectively and fixedly connected with a sewage discharge outlet communicated with the oil-water chamber and the water accumulation chamber.

By adopting the technical scheme, when the device works, oily sewage is introduced into the shell from the liquid inlet, along with the introduction of the oily sewage, the liquid level in the oil-water cavity slowly rises, in the rising process, oil is continuously gathered at the upper layer, accumulated and forms an oil layer, impurities are continuously gathered at the lower layer, accumulated and forms an impurity precipitation layer, when the oil layer is observed to rise to a position higher than the partition plate through a sight glass, the oil flows over the partition plate and enters the oil storage cavity to realize the separation of oil and water, at the moment, a valve is opened and the flow rate is controlled, the middle-layer recoverable water is conveyed into the accumulated water cavity through the principle of a communicating device to realize the separation of the middle-layer recoverable water, the oil is discharged through the oil discharge port in the whole separation process, the impurities are discharged through the sewage discharge port, the middle-layer recoverable water is discharged through the water discharge port in the separation process, oil gas and water vapor are, the three-phase separator in this application not only can effectually separate oil, water, gas, can also carry out recycle to intermediate layer reclaimed water, has reduced the waste of water resource.

The utility model discloses further set up to: and a wire mesh is arranged at the position of the liquid inlet in the oil-water cavity.

Through adopting above-mentioned technical scheme, the setting of silk screen for filter oily sewage, avoid the great impurity of granule to get into and cause the drain line to block up in the casing, play the effect of one-level buffering simultaneously.

The utility model discloses further set up to: and one side of the wire mesh, which is far away from the liquid inlet, is provided with a baffle plate parallel to the partition plate, and the upper end surface of the baffle plate is fixedly connected with the inner top wall of the shell.

Through adopting above-mentioned technical scheme, the setting of baffle for carry out the second grade buffering to oily sewage, thereby reduce its velocity of flow.

The utility model discloses further set up to: the oil-water cavity is also internally provided with a buffer plate parallel to the partition plate, two ends of the buffer plate are fixedly connected with two side walls of the shell, and a gap is reserved between the lower end surface of the buffer plate and the bottom wall of the shell.

Through adopting above-mentioned technical scheme, the setting of buffer board for carry out tertiary buffering to oily sewage, when oily sewage through the buffer board, its clearance department by buffer board and casing slowly passes through, so that oily sewage forms the oil reservoir at the upper strata fast behind getting into the profit cavity.

The utility model discloses further set up to: the gas phase passage comprises a cylindrical barrel fixedly connected on the outer wall of the shell, a circular ring integrally connected on the inner wall of the cylindrical barrel and convexly arranged towards the axial direction of the cylindrical barrel, a silk screen demister placed on the circular ring and a sleeve which is in threaded connection with the cylindrical barrel and is used for fixing the silk screen demister.

Through adopting above-mentioned technical scheme, the setting of silk screen demister is used for removing the mist that carries in the gas.

The utility model discloses further set up to: the silk screen demister is fixedly connected with an oil guide rod which extends vertically downwards, and the oil guide rod is positioned right above the oil storage chamber.

Through adopting above-mentioned technical scheme, when adnexed fluid is too much on the silk screen demister, fluid can converge and flow back to the oil storage cavity indoor through leading the beam hanger to collect fluid.

The utility model discloses further set up to: vertical viewing apertures are respectively formed in the positions, corresponding to the oil-water cavity, the accumulated water cavity and the oil storage cavity, of the side wall of the shell, and viewing mirrors are installed in the viewing apertures.

Through adopting above-mentioned technical scheme, make things convenient for the staff to observe the inside condition of casing at any time.

The utility model discloses further set up to: the L-shaped plate comprises a short plate and a long plate integrally connected with the short plate, the short plate is fixedly connected with one side of the partition plate, which is close to the ponding cavity, and the long plate vertically extends upwards.

The utility model discloses further set up to: the valve is a one-piece ball valve.

To sum up, the utility model discloses a beneficial technological effect does:

1. the three-phase separator can effectively separate oil, water and gas, can recycle middle-layer recycled water, and reduces waste of water resources;

2. the arrangement of the silk screen is used for filtering the oily sewage, so that the phenomenon that the drainage pipeline is blocked due to the fact that impurities with larger particles enter the shell is avoided, and meanwhile, the effect of primary buffering is achieved;

3. the buffer plate is used for carrying out three-stage buffering on the oily sewage, and when the oily sewage passes through the buffer plate, the oily sewage slowly passes through a gap between the buffer plate and the shell, so that the oily sewage can quickly form an oil layer on the upper layer after entering the oil-water chamber;

4. and the wire mesh demister is used for removing fine mist carried in the gas.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view showing a specific structure of a gas phase passage.

Reference numeral, 1, a housing; 11. an oil-water chamber; 12. a water accumulation chamber; 13. an oil storage chamber; 14. an oil discharge port; 15. a liquid inlet; 16. a sewage draining outlet; 17. a water outlet; 18. a sight glass; 2. a partition plate; 3. an L-shaped plate; 4. a wire mesh; 5. a baffle plate; 6. a buffer plate; 7. a pipeline; 71. a valve; 8. a gas phase passage; 81. a cylindrical barrel; 82. a wire mesh demister; 83. a sleeve; 84. a circular ring; 85. and an oil guide rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, in order to the present invention, a three-phase separator includes a hollow casing 1, and the cross section of the casing 1 can be designed to be rectangular, circular or other shapes as required, and the rectangular shape is exemplified in this embodiment. The inside of the shell 1 is fixedly connected with a partition plate 2 which divides the inside of the shell 1 into an oil-water chamber 11 and a water accumulation chamber 12, and the upper end face of the partition plate 2 is lower than the top wall of the shell 1. Be equipped with L shaped plate 3 in the ponding cavity 12, it is formed by short slab and long slab body coupling, and the one side rigid coupling that is close to ponding cavity 12 on short slab and the division board 2, the vertical upwards extension of long slab, the up end of long slab is higher than division board 2 and is less than 1 roof of casing, forms oil storage cavity 13 between the both sides wall of L shaped plate 3, division board 2 and casing 1 for collect fluid. An oil discharge port 14 communicating with the inside of the oil storage chamber 13 is fixed to the outer side wall of the casing 1 at a position corresponding to the oil storage chamber 13.

The outer side wall of the side, close to the oil-water cavity 11, of the shell 1 is fixedly connected with a liquid inlet 15 communicated with the interior of the shell 1, and when liquid is injected into the shell 1 through the liquid inlet 15, oily sewage preferentially enters the oil-water cavity 11. The silk screen 4 is installed to the position that lies in inlet 15 in the profit cavity 11, and it is used for filtering oily sewage, avoids the great impurity of granule to cause the drain line to block up in getting into casing 1, plays the effect of one-level buffering simultaneously. One side that liquid inlet 15 was kept away from to silk screen 4 is equipped with baffle 5 parallel with division board 2, its up end and the interior roof rigid coupling of casing 1, and baffle 5's setting is used for carrying out the second grade buffering to oily sewage to reduce its velocity of flow, so that oily sewage forms the oil reservoir at the upper strata fast after getting into oil water cavity 11.

Referring to fig. 1, a buffer plate 6 parallel to the partition plate 2 is further disposed in the oil-water chamber 11 and fixedly connected to two side walls of the housing 1, a gap exists between the lower end surface of the buffer plate 6 and the bottom wall of the housing 1, the oily sewage is obstructed by the baffle 5, then flows through the screen 4 and flows to the bottom of the oil-water chamber 11 from the lower side of the screen 4, and when the oily sewage passes through the buffer plate 6, the oily sewage slowly passes through the gap between the buffer plate 6 and the housing 1.

Be equipped with on the lateral wall of casing 1 through flange joint's pipeline 7, the one end and the profit cavity 11 intercommunication of pipeline 7, the other end and ponding cavity 12 intercommunication install valve 71 on the pipeline 7, specifically can be a slice formula ball valve, pipeline 7's setting for carry the middle level sewage in the profit cavity 11 to ponding cavity 12 in, what need explain here is that middle level sewage contains impurity less, can recycle. The valve 71 is provided to control the flow rate of the sewage.

Referring to fig. 1, the bottom wall of the casing 1 is respectively and fixedly connected with a sewage discharge outlet 16 communicated with the corresponding oil-water chamber 11 and the water accumulation chamber 12 for discharging sewage with impurity precipitates at the bottom layer of the chambers and also discharging liquid in the casing 1. The shell 1 is also provided with a water outlet 17 corresponding to the accumulated water chamber 12, which is higher than the sewage discharge outlet 16 and is used for discharging the sewage which can be recovered.

In order to facilitate the staff to observe the inside condition of the shell 1 at any time, vertical observation ports are respectively arranged on the side wall of the shell 1 corresponding to the oil-water chamber 11, the water accumulation chamber 12 and the oil storage chamber 13, and a sight glass 18 is arranged at the observation ports.

Referring to fig. 1, a gas phase passage 8 is provided on an outer top wall of a casing 1 for communicating the inside and the outside to transport oil gas and water gas. According to the requirement, a worker can install the flame arrester at the gas phase passage 8, and an interface for installing the flame arrester is fixedly connected to the sleeve 83.

Referring to fig. 2, further, the gas phase passage 8 is located right above the oil storage chamber 13, the gas phase passage 8 includes a cylindrical tube 81, a wire mesh demister 82 and a sleeve 83, the cylindrical tube 81 is integrally connected to an outer top wall of the housing 1 and communicates with the interior of the housing 1, and the wire mesh demister 82 is provided inside the cylindrical tube 81 for removing mist entrained in the gas. The inner wall of the cylinder 81 is fixedly connected with a circular ring 84 protruding towards the axial direction, and the wire mesh demister 82 is arranged on the circular ring 84. During oil-water separation, an oil absorption cotton layer is further bonded on the wire mesh demister 82 and used for adsorbing oil gas volatilized in the shell and preventing the oil gas from being diffused to the outside to pollute the environment. Be equipped with the external screw thread on the outer wall of sleeve 83, the position that a cylinder 81 inner wall is located ring 84 top is equipped with the internal thread, and sleeve 83 threaded connection is on a cylinder 81 to the one end that sleeve 83 stretched into in a cylinder 81 compresses tightly silk screen demister 82 fixedly.

The screen demister 82 is fixedly connected with an oil guide rod 85 extending vertically downwards, the oil guide rod 85 is located right above the oil storage chamber 13, and when the oil attached to the screen demister 82 is too much, the oil can be gathered through the oil guide rod 85 and flows back into the oil storage chamber 13.

Referring to fig. 2, in operation, oily sewage is introduced into the shell 1 from the liquid inlet 15, when the oily sewage passes through the screen 4, the screen 4 filters and primarily buffers the oily sewage, the baffle 5 secondarily buffers the oily sewage, and the buffer plate 6 thirdly buffers the oily sewage, so that the flow rate of the oily sewage entering the oil-water chamber 11 is greatly reduced, along with the introduction of the oily sewage, the liquid level in the oil-water chamber 11 slowly rises, in the rising process, the oil is continuously gathered and accumulated at the upper layer to form an oil layer, the impurities are continuously gathered and accumulated at the lower layer to form an impurity precipitation layer, when the oil layer rises to a position higher than the partition plate 2 through the sight glass 18, the oil overflows the partition plate 2 and enters the oil storage chamber 13 to realize the separation of oil and water, at the moment, the valve 71 is opened and the flow rate is controlled, the middle layer recoverable water is conveyed into the accumulated water chamber 12 through the communicating vessel principle, the separation of recoverable water in the middle layer is realized, oil is discharged through the oil discharge port 14 in the whole separation process, impurities are discharged through the sewage discharge port 16, and recoverable water in the middle layer is discharged through the water discharge port 17.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A three-phase separator, characterized by: the oil storage device comprises a shell (1), a division plate (2) fixedly connected in the shell (1) and used for dividing the interior of the shell (1) into an oil-water chamber (11) and a water-accumulation chamber (12), and an L-shaped plate (3) fixedly connected to one side, close to the water-accumulation chamber (12), of the division plate (2), wherein an oil storage chamber (13) is formed between the L-shaped plate (3) and the inner walls of the division plate (2) and the shell (1), the upper end face of the division plate (2) is lower than the top wall of the shell (1), and a gas phase passage (8) is arranged on the outer top wall of the shell (1);

a pipeline (7) for communicating the oil-water chamber (11) with the water accumulation chamber (12) is fixedly connected to the outer side wall of the shell (1), and a valve (71) is mounted on the pipeline (7);

a liquid inlet (15) communicated with the oil-water chamber (11), a water outlet (17) communicated with the water accumulation chamber (12) and an oil outlet (14) communicated with the oil storage chamber (13) are fixedly connected to the outer side wall of the shell (1) at positions corresponding to the oil-water chamber (11), the water accumulation chamber (12) and the oil storage chamber (13) respectively; the positions of the bottom wall of the shell (1) corresponding to the oil-water chamber (11) and the accumulated water chamber (12) are respectively and fixedly connected with a sewage discharge outlet (16) communicated with the oil-water chamber (11) and the accumulated water chamber (12).

2. A three-phase separator according to claim 1, wherein: and a wire mesh (4) is arranged in the oil-water chamber (11) at the position of the liquid inlet (15).

3. A three-phase separator according to claim 2, wherein: one side of the silk screen (4) far away from the liquid inlet (15) is provided with a baffle (5) parallel to the partition plate (2), and the upper end face of the baffle (5) is fixedly connected with the inner top wall of the shell (1).

4. A three-phase separator according to claim 1, wherein: the oil-water separator is characterized in that a buffer plate (6) parallel to the partition plate (2) is further arranged in the oil-water chamber (11), two ends of the buffer plate (6) are fixedly connected with two side walls of the shell (1), and a gap is reserved between the lower end face of the buffer plate (6) and the bottom wall of the shell (1).

5. A three-phase separator according to claim 1, wherein: the gas phase passage (8) comprises a cylindrical barrel (81) fixedly connected to the outer wall of the shell (1), a circular ring (84) integrally connected to the inner wall of the cylindrical barrel (81) and protruding towards the axial direction of the cylindrical barrel (81), a silk screen demister (82) arranged on the circular ring (84), and a sleeve (83) in threaded connection with the cylindrical barrel (81) to fix the silk screen demister (82).

6. A three-phase separator according to claim 5, wherein: the silk screen demister (82) is fixedly connected with an oil guide rod (85) which extends vertically downwards, and the oil guide rod (85) is located right above the oil storage chamber (13).

7. A three-phase separator according to claim 1, wherein: vertical viewing aperture has been seted up respectively to the position that corresponds oil water cavity (11), ponding cavity (12) and oil storage cavity (13) on casing (1) lateral wall, installs sight glass (18) in the viewing aperture.

8. A three-phase separator according to claim 1, wherein: l shaped plate (3) are including the short slab and with the long slab that short slab body coupling formed, short slab and division board (2) go up one side rigid coupling that is close to ponding cavity (12), the vertical upwards extension of long slab.

9. A three-phase separator according to claim 1, wherein: the valve (71) is a one-piece ball valve.