CN214031826U - Oil-water separator for treating emulsified oil - Google Patents

Abstract

The utility model discloses an oil-water separator for treating emulsified oil, which comprises a horizontal tank body, wherein emulsion breaking filler is arranged in the horizontal tank body, the horizontal tank body is communicated with a horizontal tank body oil pocket, the discharge end of the horizontal tank body is communicated with a vertical tank body, and the vertical tank body is communicated with a vertical tank body oil pocket and a water outlet; a filter element is arranged in the vertical tank body, and the inner cavity of the filter element is communicated with the water outlet. Compared with the prior art, the oil-water separator for treating the emulsified oil can remove most of oil drops by gathering and growing after the demulsification filler with the gradient structure is not blocked by impurities in the horizontal tank body, the remaining small amount of oil drops and impurities are isolated and blocked by the filter element in the vertical tank body, and the high-precision treatment of the oily wastewater under the condition of a large amount of impurities is realized by removing oil firstly and then removing the residues.

Description

Oil-water separator for treating emulsified oil

Technical Field

The utility model relates to an oil-water separation technical field, in particular to handle oil-water separator who contains emulsified oil under the large amount of impurity circumstances.

Background

At present most trades all will involve water oil separating, including the water extraction postseparation in the reagent production process, petroleum refining uses the hot steam condensation after all can producing a large amount of oily waste water, and oil slick and dispersed oil are handled comparatively easily in this part waste water, and the emulsified oil waste water of difficult processing then often need add the medicine, if wherein contain impurity, sink into the dilemma on the problem of handling oil earlier or handling impurity earlier more. If impurities are isolated firstly, the oil can block materials quickly, so that frequent backwashing or replacement is caused; oil removal first often can only be carried out to the extent of floating oil and part of dispersed oil; and the high-precision treatment needs a chemical dosing mode, the treatment process is long in chain, the occupied area is large, and the manual maintenance cost is high.

For this reason, chinese utility model patent that publication number is CN201240883Y discloses an oil-water separator, including jar body, coalescence filter core, porous fender flow board and support, wherein: the tank body adopts a horizontal inclined structure, one side of the tank body is provided with an oily water inlet, the other side of the tank body is provided with an oil collecting chamber with an oil discharge port and an air exhaust port, the oil collecting chamber is arranged at the top of the tank body, a water outlet is arranged at the bottom of the tank body, the whole tank body inclines downwards from the oil collecting chamber to the oily water inlet and forms an angle of 1-5 degrees with the horizontal plane, and the whole tank body is fixed on the ground by a support. The oil-water separation device is used by matching the coalescence filter element with the porous flow baffle plate, separates oil stain from waste water by means of Stock's principle, and discharges the oil stain and the waste water from an oil discharge port and a water discharge port respectively.

However, in actual production activities, the composition of oil and water discharged industrially is complicated, and the oil and water contains a large amount of heavy oil and solid waste in addition to wastewater and emulsified oil. Therefore, there is a need for an improvement in existing oil-water separation devices.

SUMMERY OF THE UTILITY MODEL

To the above prior art, the to-be-solved technical problem of the utility model is: in order to overcome the defects of the prior art, the oil-water separator for removing oil and slag firstly is provided, and high-precision oil and slag removal is realized.

In order to solve the technical problem, the utility model adopts the technical scheme that: an oil-water separator for treating emulsified oil comprises a horizontal tank body, wherein emulsion breaking filler is arranged in the horizontal tank body, the horizontal tank body is communicated with a horizontal tank body oil pocket, a discharge end of the horizontal tank body is communicated with a vertical tank body, and the vertical tank body is communicated with a vertical tank body oil pocket and a water discharge opening; the vertical tank is internally provided with a filter element, and the inner cavity of the filter element is communicated with the water outlet.

When the oil-water separator in the technical scheme operates, industrial oily wastewater is introduced into the horizontal tank body, after meeting the demulsification filler, most of oil drops of demulsification oil and dispersed oil are attached to the surface of the demulsification filler when oil and water pass through the demulsification filler due to the extremely strong oleophylic force of the demulsification filler and the hydrophobicity, and along with the increase of introduced oil-water mixed liquid, the small oil drops gradually form large oil drops after being aggregated and are separated from the surface of the demulsification filler, and the oil drops enter the oil pocket of the horizontal tank body; after the demulsification filler, most oil drops are removed, a small amount of residual gathered oil drops flow into the vertical tank body along with water flow, the hydrophilic and oleophobic filter element blocks residual waste residues and oil drops in oil water at the outer side of the filter element, waste water enters the inner cavity of the filter element and is discharged through the water discharge port, and the oil drops and the waste residues enter the oil pocket of the horizontal tank body. This technical scheme's oil water separator is when operation, utilizes the demulsification filler absorption of the horizontal tank internal and gathers the vast majority oil droplet in the profit, makes oil droplet get into the oil pocket of the horizontal tank body after crescent, and most waste water, the solid residue in the waste water and a small amount of oil droplet get into vertical tank internal, through easily blockking with the filter core to keep apart oil droplet and waste residue outside, oil droplet can come-up or sink in the intracavity, waste residue and residual oil droplet get into vertical tank body oil pocket, and waste water is discharged from the outlet. By the operation, oil drops entering the vertical tank body are few, so that the surface of the filter element can be easily recovered, and the service life of the whole filter element is greatly prolonged. Overall speaking, the utility model discloses utilized hierarchical mode, got rid of most oil earlier under the condition that has impurity, removed the sediment to the waste water that contains under the condition of a small amount of oil once more, solved the difficult problem that the profit is difficult to high-efficient separation under the impurity condition, realized high accuracy deoiling slagging-off.

Preferably, the oil pocket of the horizontal tank body comprises an upper oil pocket communicated with the upper part of the horizontal tank body, the upper oil pocket is arranged between the discharge end of the horizontal tank body and the demulsification filler, and the upper oil pocket is provided with a light oil discharge port.

Through adopting above-mentioned technical scheme for the gathering is after the oil drop size increase on emulsion breaking filler surface, breaks away from the surface of emulsion breaking filler, and wherein the less light oil of density floats to the last oil pocket in, after treating to collect more light oil in the oil pocket, opens the light oil discharge port, discharges the light oil of collecting.

Preferably, the oil pocket of the horizontal tank body further comprises an oil dropping pocket communicated with the lower part of the horizontal tank body, the oil dropping pocket is arranged between the discharge end of the horizontal tank body and the demulsification packing, and a heavy oil discharge port is formed in the oil dropping pocket.

By adopting the technical scheme, the oil drops gathered on the surface of the demulsification filler are separated from the surface of the demulsification filler after the body type of the oil drops is increased, heavy oil with high density sinks into the oil discharging bag, and after more heavy oil is collected in the oil discharging bag, a heavy oil discharging port is opened to discharge the collected heavy oil.

The vertical tank body oil pocket comprises a re-arrangement oil port arranged on the side wall of the vertical tank body.

Through adopting above-mentioned technical scheme, open the hydraulic fluid port of rearranging the back, can be kept apart in the outside oil droplet of filter core, the great heavy oil of density and partial solid waste are discharged.

The vertical tank body oil pocket also comprises a light oil discharge port arranged at the top of the vertical tank body.

Through adopting above-mentioned technical scheme, in being kept apart in the outside oil drop of filter core, the less light oil of density floats to the rising of vertical jar of body inner chamber, when being full of the fluid in the vertical jar of body, opens light oil drain port, can discharge the light oil that is located the fluid floating.

Preferably, a baffle plate with meshes is further arranged in the horizontal tank body, and the outer edge of the baffle plate is fixedly connected with the inner wall of the horizontal tank body; the baffle and the demulsification filler are sequentially arranged along the oil-water flow direction.

By adopting the technical scheme, after the oily wastewater enters the horizontal tank body, the oily wastewater firstly encounters the baffle with the meshes and flows to the demulsification filler from the meshes, the baffle is used for decelerating the fluid, the fluid in the horizontal tank body is ensured to have sufficient time to contact with the demulsification filler, the demulsification filler can fully absorb oil drops in the fluid, and the oil-water separation effect is ensured.

Preferably, the filter element is vertically arranged in a long strip shape, and the bottom of the filter element is a water outlet end.

Through adopting above-mentioned technical scheme, increased the length of filter core to enlarge the surface area of filter core, reduced the possibility that the filter core blockked up the mesh by greasy dirt and waste residue in the use through the area of contact of increase profit and filter core, thereby be favorable to the waste water in the oily waste water can get into the inner chamber of filter core smoothly, then discharge from the outlet after the bottom of filter core promptly goes out water end.

Preferably, the filter element is provided in plurality.

By adopting the technical scheme, the number of the filter elements is increased, so that the contact area between the fluid and the filter elements is enlarged, the oil-blocking filtering effect is further improved, and the possibility of blockage is reduced.

Preferably, the vertical tank body comprises an upper tank body and a lower tank body which are arranged in an isolated manner, the filter element is arranged in the upper tank body, the re-arrangement oil port is formed in the bottom position of the upper tank body, the upper tank body is communicated with the discharge end of the horizontal tank body, the water outlet end of the filter element is communicated with the lower tank body, and the water outlet is formed in the lower tank body.

By adopting the technical scheme, the vertical tank body is divided into the upper tank body and the lower tank body, oil-water mixed liquid firstly enters the upper tank body while oil and water are separated by the vertical tank body, oil stains and waste residues in the oil water are isolated outside the filter element, and wastewater in the oil water enters the inner cavity of the filter element through the mesh of the filter element, then flows downwards into the lower tank body and is discharged through the water discharge port.

Preferably, a floating block is arranged in the upper cabin body, bristles are fixedly connected with the floating block, and the bristles abut against the peripheral surface of the filter element.

Through adopting above-mentioned technical scheme, the floater can carry out the lifting movement along with the liquid level of the mixed liquid of profit in the vertical internal upper cabin body of jar, drives the brush hair at the surface lifting movement of filter core, and the brush removes oil droplet and waste residue of jam on the filter core mesh, reduces the filter core and takes place the possibility of blockking up, is favorable to waste water to get into the inner chamber of filter core smoothly, realizes oil-water separation.

Preferably, the bristles are arranged along a circumferential outer surface of the filter element.

Through adopting above-mentioned technical scheme, make the brush hair distribute at the circumference surface of filter core, enlarge the area of cleaning to the filter core, improved the mediation effect to the filter core to guarantee that the waste water in the outside water oil mixture of filter core can get into the inner chamber of filter core smoothly.

Preferably, a guide piece is fixedly arranged in the upper cabin body, and the guide piece is in sliding fit with the floating block.

Through adopting above-mentioned technical scheme, utilize fixed guide and the kicking block sliding fit who sets up, fixed the lift removal direction of kicking block, prevent that the position of kicking block lift in-process horizontal direction from taking place the skew, so guaranteed the effect of cleaning to the filter core.

Preferably, the filter further comprises a bidirectional water delivery device for controlling the flow direction of wastewater between the inner cavity of the filter element and the water outlet.

Through adopting above-mentioned technical scheme, when utilizing vertical jar of body separation waste water and greasy dirt, residue, can also realize the mediation to the filter core through two-way water delivery device to improve water oil separating efficiency. When meshes on the surface of the filter element are blocked by oil drops and waste residues, so that waste water in the upper cabin body is difficult to smoothly enter the inner cavity of the filter element, the discharged waste water is extracted by the bidirectional water delivery device and is delivered into the lower cabin body through the water outlet, the waste water flows to the inner cavity of the filter element, the oil-water liquid level in the upper cabin body is driven to rise, the floating block is driven to move upwards, meanwhile, the bristles sweep impurities on the surface of the filter element, and the inside and the outside of the filter element are dredged; after the impurities are separated from the filter element, the bidirectional water delivery device extracts the wastewater in the lower cabin body through the water outlet and discharges the wastewater to the outside, so that the oil and water outside the filter element flow towards the filter element, and the wastewater in the oil and water enters the inner side of the filter element through isolation and filtration and flows to the outside through the lower cabin body, the water outlet and the bidirectional water delivery device in sequence. The bidirectional water delivery device continuously discharges the wastewater, so that the vertical tank body improves the oil-water separation efficiency by means of external force. When the surface of the filter element is blocked again, the bidirectional water delivery device controls the waste water to flow from the water outlet to the inner cavity of the filter element, thereby realizing dredging.

The bidirectional water delivery device comprises a bidirectional water pump, and one end of the bidirectional water pump is communicated with the water outlet.

Through adopting above-mentioned technical scheme, connect two-way water pump in the collection device of outlet and waste water, through the waste water flow direction between two-way water pump control outlet and the waste water collection device to the waste water flow direction of control waste water between the inner chamber of filter core and outlet, and then the realization is to the mediation of filter core, and improves water oil separating efficiency.

Preferably, the bidirectional water delivery device comprises a water suction pump and a water discharge pipe, the water outlet end of the water suction pump and the water inlet end of the water discharge pipe are communicated with the water discharge port, and a valve is arranged in the water discharge pipe.

Through adopting above-mentioned technical scheme, all communicate with waste water collection device with the drainage end of drain pipe and the end of intaking of suction pump, when carrying out the drainage, open the valve in the drain pipe, close the suction pump, make the waste water that gets into the filter core inner chamber smoothly through the cabin body down and the outlet, and from the drain pipe row income collection device, when the filter core takes place to block up, close the valve, and open the suction pump, the suction pump extracts waste water, through the lower internal input waste water of cabin of outlet, make the internal waste water upflow of upper deck, and then the inner chamber of filter core, and drive and float piece and brush hair rebound, the impurity of cleaning jam on the filter core mesh.

To sum up, the utility model discloses handle the oil water separator who contains emulsified oil and compare with prior art, can grow up most oil drops gathering through the internal gradient structure breakdown of emulsion filler that is not silted up by impurity of horizontal tank and get rid of, remaining a small amount of oil drops and impurity utilize the internal filter core of vertical tank to keep apart and block, and the oily waste water that will have under the large amount of impurity circumstances has realized the processing of high accuracy through the mode of removing the sediment after deoiling earlier.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a sectional view of a horizontal tank according to embodiment 1 of the present invention;

FIG. 3 is a sectional view of a vertical tank according to embodiment 1 of the present invention;

fig. 4 is a partial sectional view of a vertical tank according to embodiment 2 of the present invention;

FIG. 5 is a top view of a filter element and floating block connecting structure according to embodiment 2 of the present invention;

fig. 6 is a lower sectional view of a vertical tank according to embodiment 3 of the present invention;

fig. 7 is a lower sectional view of a vertical tank according to embodiment 4 of the present invention;

in the figure: 1. the oil-water separator comprises a horizontal tank body, 1-1 input end, 1-2 discharge end, 2 demulsification filler, 3 baffle, 3-1 mesh, 4 horizontal tank body oil pocket, 4a upper oil pocket, 4a-1 light oil discharge end, 4b lower oil pocket, 4b-1 heavy oil discharge end, 5 vertical tank body, 5a upper cabin body, 5b lower cabin body, 5-1 rearrangement oil port, 5-2 water discharge end, 5-3 light oil discharge end, 6 filter element, 7 floating block, 7-1 through hole, 8 brush hair, 9 guide piece, 10 bidirectional water delivery device, 10a bidirectional water pump, 10b water suction pump, 10c water discharge pipe, 10d valve, 11 vertical tank body oil pocket, 12 pressure gauge, 13 partition plate, 14 support, 15 limiting piece, 16 guide pipe, 17 oil inlet pipe, 18 water cap.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1 to 3, the oil-water separator for treating emulsified oil in example 1 includes a horizontal tank 1 fixedly supported by a bracket 14, an oil inlet pipe 17 is communicated with an input end 1-1 of the horizontal tank 1, a baffle 3 with a mesh 3-1 and a demulsification filler 2 are sequentially arranged in the horizontal tank 1 along the oil-water flow direction, and the outer edge of the baffle 3 is fixedly connected with the inner wall of the horizontal tank 1; the demulsifying filler comprises a horizontal tank body oil pocket 4, wherein the horizontal tank body oil pocket 4 comprises an upper oil pocket 4a communicated above the horizontal tank body 1 and a lower oil pocket 4b communicated below the horizontal tank body 1, the upper oil pocket 4a is provided with a light oil outlet 4-1, the lower oil pocket 4b is provided with a heavy oil outlet 4b-1, and the upper oil pocket 4 and the lower oil pocket 4b are both arranged between a discharge end 1-2 of the horizontal tank body 1 and the demulsifying filler 2; the upper parts of the horizontal tank body 1, which are close to the input end 1-1 and the discharge end 1-2, are provided with pressure gauges 12 for detecting the water pressure in the horizontal tank body 1; the discharge end 1-2 of the horizontal tank body 1 is connected with a vertical tank body 5 through a conduit 16, a partition plate 13 is horizontally arranged in the vertical tank body 5, the vertical tank body 5 is divided into an upper tank body 5a and a lower tank body 5b by the partition plate 13, 4 water caps 18 are arranged on the partition plate 13, a filter element 6 is fixedly arranged at the top of each water cap 18, the filter element 6 is vertically arranged in a long strip shape, the inner cavity of the filter element 6 is communicated with the lower tank body 5b through the water caps 18, and the bottom of the filter element 6 is a water outlet end; the vertical tank body 5 is communicated with a vertical tank body oil pocket 11 and a water discharge port 5-2, wherein the vertical tank body oil pocket 11 comprises a light oil discharge port 5-3 arranged at the top of the upper cabin body 5a and a re-arrangement oil port 5-1 arranged at the bottom of the side wall of the upper cabin body 5a, and the water discharge port 5-2 is arranged at the bottom of the lower cabin body 5b.

When the oil-water separator of the embodiment operates, an industrial oil-water mixture enters the horizontal tank body 1 through the oil inlet pipe 17, and after encountering the baffle 3 with the meshes 3-1, water flow is blocked and decelerated, so that oil particles in the oil-water float upwards for a long time and fully contact the demulsification filler 2 after passing through the meshes 3-1, the demulsification filler 2 has extremely strong oleophylic force and hydrophobic property, oil drops in the oil-water mixture are adsorbed on the surface of the demulsification filler 2, and wastewater passes through the demulsification filler 2 and enters the upper cabin body 5a of the vertical tank body 5 through the guide pipe 16.

The oil drops adsorbed by the demulsification filler 2 increase, the oil drops are accumulated together, the rear body shape is increased and separated from the surface of the demulsification filler 2, the light oil floats upwards to the upper oil pocket 4a according to the density of the oil drops, the heavy oil sinks to the lower oil pocket 4b, the pressure gauges 12 at the two ends of the horizontal tank body 1 are used for detecting the water pressure at the two ends in the horizontal tank body 1, and when the water pressure reaches a set value, the light oil outlet 4-1 and the heavy oil outlet 4b-1 are opened, so that the light oil at the top and the heavy oil at the bottom in the mixed liquid are discharged. Therefore, most of the missible oil and a small amount of dispersed oil in the oil-water are separated out preliminarily.

The oil water after the preliminary separation enters the upper cabin body 5a through the conduit 19, the strip-shaped closed-loop columnar filter element 6 is arranged on the water cap 18 in the upper cabin body 5a, when the oil water enters the inner cavity of the filter element 6 from the outside of the filter element 6, impurities and residual micro oil drops in the oil water are blocked outside the filter element 6, and the waste water enters the lower cabin body 5b through the filter element 6 and is discharged from the water outlet 5-2. And the impurities blocked on the outer surface of the filter element 6 float upwards or sink under the wrapping of oil drops, after the impurities are accumulated to a certain degree, the light oil discharge port 5-3 is opened to discharge light oil and impurities with low density, and the heavy oil and impurities with high density are discharged by opening the re-arrangement oil port 5-1. Thus, the integral filtration is completed, and finally clean water after oil removal and impurity removal is obtained. In the embodiment, most oil drops in oil water can be filtered by the demulsification filler 3 in the horizontal tank body 1, so that a large amount of wastewater, solid impurities and a small amount of oil stains in oil-water mixed liquid enter the upper tank body 5a, the possibility of blocking the rear filter element 6 is reduced, the oil drops and waste residues are blocked outside by the hydrophilic and oleophobic filter element 6, the wastewater can conveniently enter the inner cavity of the filter element 6 and can be discharged through the lower tank body 5c and the water outlet 5-2, and high-precision treatment is realized by a mode of removing oil and removing slag.

The filter element 6 adopts the long-strip closed-loop structure, the surface area of the filter element 6 is increased, the filtering efficiency is improved, the possibility of blockage of the filter element 6 is reduced, the number of the filter elements 6 is four, the contact area of oil water and the filter element 6 is further increased, and the filtering efficiency is improved. It should be noted that the number of the filter elements 6 may be other, as long as the filter elements 6 are ensured to be closed-loop, so that after oil and water pass through the filter elements 6, impurities can be blocked and isolated outside the filter elements 6, and the filtered wastewater enters the inner side of the filter elements 6 and is discharged from the water outlet 5-2.

Example 2

As shown in fig. 4 and 5, the oil-water separator for treating emulsified oil in example 2 is based on example 1, and is different in that a floating block 7 is arranged in an upper chamber body 5a, the floating block 7 is provided with through holes 7-1 with the same number as that of filter elements 6, and the filter elements 6 are correspondingly arranged on the inner sides of the through holes 7-1 one by one; bristles 8 are fixedly arranged in the through holes 7-1, and the bristles 8 abut against the filter element 6 along the circumferential surface of the filter element 6; the upper cabin body 5a is also internally provided with a guide part 9, the guide part 9 is a vertically arranged slide bar, the cross section of the guide part is in a regular octagon shape, the bottom of the guide part 9 is fixedly connected with a partition plate 13 and penetrates through the floating block 7 to be in sliding fit with the floating block 7, and the top of the guide part is fixed with a convex disc-shaped limiting part 15.

In this embodiment, as the oil and water enter the upper chamber body 5a, the floating block 7 moves up and down along with the change of the oil and water level, and drives the bristles 8 to move up and down and sweep away impurities attached to the surface of the filter element 6, thereby preventing the impurities from blocking the meshes on the filter element 6 to cause blockage. The slider of regular octagonal prism shape is used as the guide 9, so that the floating block 7 can perform stable lifting movement, and the limit piece 15 is used to prevent the floating block 7 from separating from the guide 9. The guiding element 7 may also be of other shapes and distribution positions, such as vertically arranged sliding rails distributed on the side walls of the upper cabin 5a and capable of fixing the lifting direction of the floating block 7, or the guiding element 7 may be two or more sliding bars fixed in the upper cabin 51 and slidably engaged with the floating block 7.

Example 3

As shown in fig. 6, the oil-water separator for treating emulsified oil in example 3 is based on example 2, and is different from example 2 in that a bidirectional water delivery device 10 is provided at one side of a vertical tank 5, the bidirectional water delivery device 10 is a bidirectional water pump 10a, one end of the bidirectional water pump a is communicated with a water outlet 5-2, and the other end is communicated with a wastewater collection device (not shown) discharged from the water outlet.

When the vertical tank body is used for separating and filtering waste residues and oil stains, the bidirectional water pump 10a continuously operates to discharge the wastewater in the lower cabin body 5b through the water discharge port 5-2, so that the oil-water mixed liquid in the upper cabin body 5a flows close to the filter element 6, the wastewater in the oil-water mixed liquid is promoted to enter the inner cavity of the filter element 6 and then discharged through the lower cabin body 5b and the water discharge port 5-2, and the discharged wastewater flows into the wastewater collection device. Therefore, the bidirectional water pump 10a is used for forcibly driving the wastewater to flow, and the oil-water separation efficiency is improved.

Along with the separation, the waste residues and the oil stains accumulated on the surface of the filter element 6 are gradually increased, so that the meshes of the filter element 6 are easily blocked, oil-water filtration is affected, and meanwhile, the power consumption of the bidirectional water pump 10a is increased, at the moment, the bidirectional water pump 10a extracts the waste water in the waste water collecting device and conveys the waste water to the lower cabin body 5b through the water outlet 5-2, and then the waste water in the lower cabin body 5b upwards flows into the inner cavity of the filter element 6, so that the oil-water liquid level in the upper cabin body 5a is raised, the floating block 7 is driven to move upwards, the bristles 8 simultaneously rise, and impurities such as the oil stains, the waste residues and the like blocked on the surface of the filter element 6 are brushed away, so that the filter element 6 is dredged; after the impurities are separated from the outer surface of the filter element 6, the bidirectional water pump 10a is recovered to the previous working mode, namely, the wastewater in the lower cabin body 5b is discharged into the wastewater collection device through the water discharge port 5-2.

In the embodiment, the flow direction of the wastewater between the inner cavity of the filter element 6 and the water outlet 5-2 is controlled by the bidirectional water pump 10a, so that the wastewater can be forcibly driven to flow, the oil-water separation efficiency is improved, impurities on the surface of the filter element 6 can be cleaned, the filter element 6 is dredged inside and outside, and the phenomenon that the power consumption of the bidirectional water pump 10a is too high when the filter element 6 is blocked is avoided.

Example 4

As shown in fig. 7, the oil-water separator for treating emulsified oil in example 4 is based on example 3, and is different from example 3 in that the bidirectional water delivery device 10 includes a water pump 10b and a water discharge pipe 10c, a water outlet end of the water pump 10b and a water inlet end of the water discharge pipe 10c are both communicated with the water discharge port 5-2, a water inlet end of the water pump 10b and a water outlet end of the water discharge pipe 10c are both communicated with a wastewater collection device (not shown), and a valve 10d is disposed in the water discharge pipe 10c.

In the embodiment, at the initial stage of operation of the equipment, the water suction pump 10b is closed, the valve 10d is opened, and after wastewater in the upper cabin body 5a enters the inner cavity of the filter element 6, the wastewater flows downwards into the lower cabin body 5b by virtue of the self gravity, enters the drain pipe 10c through the drain port 5-2, and is finally discharged from the drain pipe 10c and flows into the wastewater collection device; when the impurities accumulated on the surface of the filter element 6 are too much, and the meshes of the filter element 6 are blocked, the valve 10d is closed at the moment, the water suction pump 10c is started to pump the wastewater collected by the wastewater collection device and convey the wastewater into the lower cabin body 5b through the water outlet 5-2, so that the wastewater in the lower cabin body 5b enters the inner cavity of the filter element 6, the liquid level in the upper cabin body 5a rises, the bristles 8 are driven by the floating block 7 to move upwards, and the bristles 8 clean the impurities on the surface of the filter element 6, so that the filter element is restored to be dredged; then the valve 10d is opened, the water pump 10b is closed, so that the waste water in the oil-water mixed liquor in the upper chamber body 5a can enter the inner cavity of the cleaned filter element 6 and is discharged through the lower chamber body 5b, the water discharge port 5-2 and the water discharge pipe 10c in sequence.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The oil-water separator for treating the emulsified oil comprises a horizontal tank body (1), wherein an emulsion breaking filler (2) is arranged in the horizontal tank body (1), and the horizontal tank body (1) is communicated with a horizontal tank body oil pocket (4), and is characterized in that:

the discharge end (1-2) of the horizontal tank body (1) is communicated with a vertical tank body (5), and the vertical tank body (5) is communicated with a vertical tank body oil pocket (11) and a water discharge port (5-2); a filter element (6) is arranged in the vertical tank body (5), and the inner cavity of the filter element (6) is communicated with the water outlet (5-2).

2. The emulsified oil-water separator as set forth in claim 1, wherein: the horizontal tank body oil pocket (4) comprises an upper oil pocket (4 a) communicated above the horizontal tank body (1), the upper oil pocket (4 a) is arranged between the discharge end (1-2) of the horizontal tank body (1) and the demulsification filler (2), and a light oil discharge port (4 a-1) is formed in the upper oil pocket (4 a).

3. The emulsified oil-water separator as set forth in claim 2, wherein: the horizontal tank body oil pocket (4) further comprises a lower oil pocket (4 b) communicated below the horizontal tank body (1), the lower oil pocket (4 b) is arranged between the discharge end (1-2) of the horizontal tank body (1) and the demulsification filler (2), and a heavy oil discharge port (4 b-1) is formed in the lower oil pocket (4 b).

4. The emulsified oil-water separator as set forth in claim 2, wherein: the vertical tank body oil pocket (11) comprises a re-arrangement oil port (5-1) arranged on the side wall of the vertical tank body (5).

5. The emulsified oil-water separator as set forth in claim 1, wherein: a baffle (3) with meshes (3-1) is further arranged in the horizontal tank body (1), and the outer edge of the baffle (3) is fixedly connected with the inner wall of the horizontal tank body (1); the baffle (3) and the demulsification filler (2) are sequentially arranged along the oil-water flow direction.

6. The emulsified oil-water separator as set forth in claim 4, wherein: the vertical tank body (5) comprises an upper tank body (5 a) and a lower tank body (5 b) which are arranged in an isolated mode, the filter element (6) is arranged in the upper tank body (5 a), the re-arrangement oil port (5-1) is formed in the bottom position of the upper tank body (5 a), the upper tank body (5 a) is communicated with the discharge end (1-2) of the horizontal tank body (1), the water outlet end of the filter element (6) is communicated with the lower tank body (5 b), and the water outlet (5-2) is formed in the lower tank body (5 b).

7. The emulsified oil-water separator as set forth in claim 6, wherein: be provided with floater (7) in the upper chamber body (5 a), floater (7) fixedly connected with brush hair (8), brush hair (8) support and lean on in the outer peripheral face of filter core (6).

8. The emulsified oil-water separator as set forth in claim 7, wherein: the bristles (8) are arranged along the circumferential outer surface of the filter element (6).

9. The emulsified oil-water separator as set forth in claim 7, wherein: the upper cabin body (5 a) is internally and fixedly provided with a guide piece (9), and the guide piece (9) is in sliding fit with the floating block (7).

10. The emulsified oil-water separator as set forth in any one of claims 1 to 5, wherein: the filter also comprises a bidirectional water conveying device (10), wherein the bidirectional water conveying device (10) is used for controlling the flow direction of wastewater between the inner cavity of the filter element (6) and the water outlet (5-2).

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