CN214734717U

CN214734717U - Oil field sewage water electric induction cathode rapid descaling filtering device

Info

Publication number: CN214734717U
Application number: CN202120930139.1U
Authority: CN
Inventors: 王光义; 樊勇杰; 贾品元; 张涛; 翟文; 陈少华
Original assignee: Shaanxi Victory Petroleum Engineering Technology Service Co ltd; China National Petroleum Corp Changqing Oilfield Branch No 5 Oil Production Plant
Current assignee: Shaanxi Victory Petroleum Engineering Technology Service Co ltd; China National Petroleum Corp Changqing Oilfield Branch No 5 Oil Production Plant
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses an induced quick descaling filter equipment of negative pole of oil field sewage electricity, which comprises a housin, be equipped with the installation cavity in the casing, the inlet tube is installed to the upper end of installation cavity, the lower extreme of inlet tube extends to the headspace of installation cavity, the outlet pipe is installed to the lower extreme of casing, the upper end of outlet pipe extends to the bottom space of installation cavity. The device can adsorb scale-forming cations such as calcium, magnesium, barium, strontium and the like in the oilfield sewage on the negative plate through electric induction to coalesce into crystalline solid scale crystals, so that the electric induction quick scale removal effect is achieved, and the scale crystals can be conveniently scraped and removed from the negative plate by starting the motor; when excessive scale crystals and impurities are accumulated on the filter screen plate, the scale crystals on the filter screen plate can be flushed into the sewage pipe through water discharged by the water guide pipe to be discharged, the situation that the filter screen is manually cleaned due to quick scale formation when scale formation cationic water containing high calcium, magnesium, barium, strontium and the like is treated is avoided, and the continuity and the practicability of the operation of the device are improved.

Description

Oil field sewage water electric induction cathode rapid descaling filtering device

Technical Field

The utility model relates to a filter equipment technical field especially relates to a quick filter equipment that removes scale of oil field sewage electricity induction negative pole.

Background

The produced water of the oil field is high in mineralization degree and is rich in scale forming cations such as calcium, magnesium, barium and strontium and anions such as sulfate ions, carbonate ions, bicarbonate ions and hydroxyl ions, after the produced water of the oil field is produced from a target oil layer to the ground, the temperature, pressure, saturation and other thermodynamic environments of the produced water of the oil field are obviously changed, the oil field simultaneously produces oil reservoirs of different levels, the produced water of the produced water can be mixed with sewage of other different levels and different types in the process of treatment of a ground system, so that a strong dust and scale tendency is formed, great scale prevention and control pressure is brought to an oil field surface sewage treatment system and an underground reinjection system, the scale forming cations in the oil field surface sewage treatment system and the underground reinjection system are urgently needed to be removed by a quick and effective technical process, and the scale forming pressure of the oil field sewage surface treatment system and the reinjection system is solved.

Based on the fact that barium and strontium scales such as barium sulfate, strontium sulfate and the like aggregated in part of oilfield sewage are extremely difficult to treat, chemical agents such as scale inhibitors and the like can only be added in large quantities in the production and operation processes of the oil field at present to slow down the scaling of the oilfield sewage in a ground treatment system and a water injection system, so that the chemical agent cost is high, the environmental risk caused by adding a large quantity of chemical agents is large, and the thermodynamic environment change of the oilfield sewage in the ground treatment system and a reinjection system is severe, so that scale inhibitor target molecules indicated by scale forming cations such as calcium, magnesium, barium, strontium and the like in the oilfield sewage are easy to fall off or part of scale forming cations such as calcium, magnesium, barium, strontium and the like are still subjected to scaling in a subsequent flow after the scale inhibitors are added.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the difficult points and the defects of scale inhibition, scale removal and scale prevention in the existing oilfield sewage ground treatment system and reinjection system, thereby providing an oilfield sewage electric induction cathode rapid scale removal filtering device

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an induced quick descaling filter equipment of negative pole of oil field sewage electricity, which comprises a housin, be equipped with the installation cavity in the casing, the inlet tube is installed to the upper end of installation cavity, the lower extreme of inlet tube extends to the headspace of installation cavity, the outlet pipe is installed to the lower extreme of casing, the upper end of outlet pipe extends to the bottom space of installation cavity, all install first valve on inlet tube and the outlet pipe, be equipped with the filter plate in the installation cavity, the filter plate about both ends respectively with the installation cavity about inner wall fixed connection that corresponds, be equipped with water purification mechanism in the installation cavity, be equipped with scale removal mechanism jointly on installation cavity and the casing.

Preferably, water purification mechanism includes that the level sets up the mounting panel in the installation cavity, the mounting panel about both ends respectively with the installation cavity that corresponds inner wall fixed connection about, anode plate and negative plate are installed respectively to the lower extreme of mounting panel, the battery is installed in the left side of casing, the battery links to each other with anode plate and negative plate respectively through two wires, the upper end of casing is equipped with the breather pipe, the lower extreme of breather pipe links to each other with the headspace of installation cavity, install the check valve on the breather pipe.

Preferably, descaling mechanism is including installing at the left motor of casing, the lower extreme of mounting panel rotates and is connected with reciprocal lead screw, the lower extreme fixedly connected with guide bar of mounting panel, threaded connection has the movable block on the reciprocal lead screw, the guide bar runs through the movable block, the scraper blade is installed to the right-hand member of movable block, the scraper blade cooperatees with the negative plate, the fixed cover of lower extreme of reciprocal lead screw is equipped with first bevel gear, the output shaft end of motor extends to installation intracavity and fixedly connected with dwang, the left end fixed cover of dwang is equipped with second bevel gear, second bevel gear and first bevel gear intermeshing.

Preferably, the left side and the right side of the shell are respectively provided with a sewage pipe and a water guide pipe, opposite ends of the sewage pipe and the water guide pipe are communicated with the installation cavity, and the sewage pipe and the water guide pipe are respectively provided with a second valve.

Preferably, the filter screen plate is obliquely arranged, an activated carbon plate is horizontally arranged in the installation cavity, the left end and the right end of the activated carbon plate are respectively and fixedly connected with the left inner wall and the right inner wall of the corresponding installation cavity, and the activated carbon plate is positioned below the filter screen plate.

Preferably, the scraper blade comprises a concave plate and a scraper blade, and the shell is made of stainless steel.

Compared with the prior art, the device has the advantages that:

1. the utility model discloses a set up water purification mechanism, pass through the battery with the electric current that corresponds and lead-in to the anode plate and the negative plate that correspond on to the brineelectrolysis, the calcium magnesium ion of aquatic can form the incrustation scale on the negative plate, thereby has reduced the hardness of water, has reduced on the heating pipe lateral wall of follow-up incrustation scale adhesion, avoids influencing subsequent heating efficiency.

2. The utility model discloses a set up scale removal mechanism, after a certain amount of incrustation scale of negative plate adhesion, drive reciprocal lead screw through motor and bevel gear and rotate for the incrustation scale on the negative plate can reciprocal be struck off to the scraper blade, avoids the incrustation scale accumulation to influence next electrolysis work too much.

3. The utility model discloses a set up aqueduct, sewage pipe, second valve isotructure, when accumulating an amount of incrustation scale and impurity on the filter plate board, can open the aqueduct, leading-in rivers, rushing into incrustation scale and impurity on the filter plate board to the sewage pipe discharge to the place of appointed recovery, avoided artifical clearance filter screen, improved work efficiency.

Drawings

Fig. 1 is a schematic structural view of a normal-pressure electric-induced cathode rapid scaling filter device provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a state diagram of the water purifying mechanism during water purification;

FIG. 4 is a diagram showing the descaling mechanism after it is opened.

In the figure: the device comprises a shell 1, a mounting cavity 2, a water inlet pipe 3, a water outlet pipe 4, a first valve 5, a storage battery 6, a mounting plate 7, a lead wire 8, an anode plate 9, a cathode plate 10, a reciprocating screw rod 11, a guide rod 12, a moving block 13, a scraping plate 14, a first bevel gear 15, a second bevel gear 16, a rotating rod 17, a motor 18, a filter screen plate 19, an activated carbon plate 20, a water guide pipe 21, a sewage pipe 22, a second valve 23 and a vent pipe 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an induced quick descaling filter equipment of negative pole of oil field sewage electricity, including casing 1, be equipped with installation cavity 2 in the casing 1, inlet tube 3 is installed to the upper end of installation cavity 2, the lower extreme of inlet tube 3 extends to the headspace of installation cavity 2, outlet pipe 4 is installed to the lower extreme of casing 1, the upper end of outlet pipe 4 extends to the bottom space of installation cavity 2, all install first valve 5 on inlet tube 3 and the outlet pipe 4, can control inlet tube 3 and the interior switch of outlet pipe 4 through first valve 5, be equipped with filter plate 19 in the installation cavity 2, filter plate 19 about both ends respectively with the installation cavity 2's that corresponds inner wall fixed connection about, be equipped with water purification mechanism in the installation cavity 2, be equipped with scale removal mechanism on installation cavity 2 and the casing 1 jointly.

In the utility model, the water purification mechanism comprises a mounting plate 7 horizontally arranged in the mounting cavity 2, the left and right ends of the mounting plate 7 are respectively fixedly connected with the left and right inner walls of the corresponding mounting cavity 2, the lower end of the mounting plate 7 is respectively provided with an anode plate 9 and a cathode plate 10, the left side of the shell 1 is provided with a storage battery 6, the storage battery 6 is respectively connected with the anode plate 9 and the cathode plate 10 through two leads 8, the upper end of the shell 1 is provided with a vent pipe 24, the lower end of the vent pipe 24 is connected with the top space of the mounting cavity 2, the vent pipe 24 is provided with a one-way valve, the one-way valve on the vent pipe 24 only allows the gas in the mounting cavity 2 to flow out to the outside, the anode of the storage battery 6 is connected with the anode plate 9 through the corresponding lead 8, the cathode of the storage battery 6 is connected with the cathode plate 10 through the corresponding lead 8, when the storage battery 6 is opened, water can be electrolyzed through the anode plate 9 and the cathode plate 10, calcium and magnesium ions in the water are adsorbed on the cathode plate 10 to form scale, the calcium and magnesium ions in the water are reduced, and gas generated by electrolysis is discharged through the vent pipe 24;

the descaling mechanism comprises a motor 18 arranged on the left side of the shell 1, the lower end of the mounting plate 7 is rotatably connected with a reciprocating screw rod 11, the lower end of the mounting plate 7 is fixedly connected with a guide rod 12, the reciprocating screw rod 11 is in threaded connection with a moving block 13, the guide rod 12 penetrates through the moving block 13, the right end of the moving block 13 is provided with a scraper 14, the scraper 14 is matched with the cathode plate 10, the scraper 14 is shown in figure three, when the scraper 14 moves up and down, a scraper on the scraper 14 can scrape scale on the left side wall and the right side wall of the cathode plate 10, the lower end of the reciprocating screw rod 11 is fixedly sleeved with a first bevel gear 15, the tail end of an output shaft of the motor 18 extends into the mounting cavity 2 and is fixedly connected with a rotating rod 17, the left end of the rotating rod 17 is fixedly sleeved with a second bevel gear 16, the second bevel gear 16 is mutually meshed with the first bevel gear 15, and after a certain amount of scale adheres to the cathode plate 10, the motor 18 is started, the motor 18 drives the second bevel gear 16 on the rotating rod 17 to rotate, the second bevel gear 16 is meshed with the first bevel gear 15, the first bevel gear 15 drives the reciprocating screw rod 11 to rotate, so that the moving block 13 drives the scraper 14 to reciprocate and move up and down to scrape scale on the negative plate 10;

the left side and the right side of the shell 1 are respectively provided with a sewage pipe 22 and a water guide pipe 21, opposite ends of the sewage pipe 22 and the water guide pipe 21 are communicated with the inside of the installation cavity 2, the sewage pipe 22 and the water guide pipe 21 are respectively provided with a second valve 23, the two second valves 23 can control the corresponding sewage pipe 22 and the corresponding water guide pipe 21 to open and close, as the scale can fall onto the filter screen plate 19 after being scraped, at the moment, the sewage pipe 22 and the water guide pipe 21 are opened through the second valves 23, the right end of the water guide pipe 21 is connected with an external water tap, water can flow onto the filter screen plate 19 through the water guide pipe 21, the scale and impurities on the filter screen plate 19 can be flushed into the sewage pipe 22 and guided into a place for collecting sewage through the sewage pipe 22, the filter screen plate 19 is obliquely arranged, so that the dirt and the impurities can be discharged more easily, the installation cavity 2 is horizontally provided with an activated carbon plate 20, and the left end and the right end of the activated carbon plate 20 are respectively fixedly connected with the left inner wall and the left inner wall of the corresponding installation cavity 2, activated carbon plate 20 is located the below of filter screen board 19, and activated carbon plate 20 can adsorb the harmful substance of aquatic, increases the water purification effect, and scraper blade 14 comprises notch plate and scraper, and the material of casing 1 adopts the stainless steel, improves the life of device.

When the utility model is used, the storage battery 6 is opened, the water inlet pipe 3 and the water outlet pipe 4 are opened through the two first valves 5, when the storage battery 6 is opened, water can be electrolyzed through the anode plate 9 and the cathode plate 10, so that calcium and magnesium ions in water are adsorbed on the cathode plate 10 to form scale, the calcium and magnesium ions in water are reduced, and gas generated by electrolysis can be discharged through the vent pipe 24;

after a certain amount of scale is adhered to the cathode plate 10, starting the motor 18, driving the second bevel gear 16 on the rotating rod 17 to rotate by the motor 18, enabling the second bevel gear 16 to be meshed with the first bevel gear 15, driving the reciprocating screw rod 11 to rotate by the first bevel gear 15, enabling the moving block 13 to drive the scraper 14 to reciprocate up and down, and scraping the scale on the cathode plate 10;

after a certain amount of scale and impurities are accumulated on the filter screen plate 19, the water inlet pipe 3 and the water outlet pipe 4 are closed through the two first valves 5, the sewage pipe 22 and the water guide pipe 21 are opened through the second valve 23, the right end of the water guide pipe 21 is connected with an external water tap, water can flow onto the filter screen plate 19 through the water guide pipe 21, the scale and the impurities on the filter screen plate 19 are flushed into the sewage pipe 22 and are guided into a place for collecting sewage through the sewage pipe 22, and the filter screen plate 19 is obliquely arranged, so that the dirt and the impurities are discharged more easily; the device can adsorb calcium and magnesium ions in water on the cathode plate 10 through electrolysis, so that the content of the calcium and magnesium ions in the water is reduced, the cathode plate 10 can be scraped by starting the motor 18, the operation is very convenient, when excessive scale and impurities are accumulated on the filter screen plate 19, the scale on the filter screen plate 19 can be flushed into the sewage pipe 22 through water discharged by the water guide pipe 21 and discharged, the filter screen is prevented from being manually cleaned, and the practicability of the device is improved;

the technology can greatly reduce the concentration of scale forming cations such as calcium, magnesium, barium, strontium and the like in the oilfield sewage by electrically inducing the scale forming cations in the oilfield sewage to coalesce on the specially treated cathode plate to form crystal-state solid scale crystals, relieve the scale prevention pressure of the oilfield sewage treatment and reinjection system, and meanwhile, the technology is provided with a scale removing system on the electrically induced cathode plate, solves the problem of reduction of the electrically induced scale forming efficiency caused by scale crystal coalescence, and improves the automatic continuous operation degree and the adaptability of technical equipment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil field sewage water electric induction cathode rapid descaling filtering device comprises a shell (1), it is characterized in that a mounting cavity (2) is arranged in the shell (1), a water inlet pipe (3) is arranged at the upper end of the mounting cavity (2), the lower end of the water inlet pipe (3) extends to the top space of the installation cavity (2), the lower end of the shell (1) is provided with a water outlet pipe (4), the upper end of the water outlet pipe (4) extends to the bottom space of the installation cavity (2), the water inlet pipe (3) and the water outlet pipe (4) are both provided with a first valve (5), a filter screen plate (19) is arranged in the mounting cavity (2), the left end and the right end of the filter screen plate (19) are respectively fixedly connected with the left inner wall and the right inner wall of the corresponding mounting cavity (2), the water purifier is characterized in that a water purifying mechanism is arranged in the mounting cavity (2), and a descaling mechanism is jointly arranged on the mounting cavity (2) and the shell (1).

2. The quick descaling and filtering device of oil field sewage and electricity induction cathode of claim 1, characterized in that, water purification mechanism includes that the level sets up mounting panel (7) in installation cavity (2), both ends do not link to each other with the installation cavity (2) that corresponds about inner wall fixed connection about mounting panel (7), anode plate (9) and negative plate (10) are installed respectively to the lower extreme of mounting panel (7), battery (6) are installed in the left side of casing (1), battery (6) link to each other with anode plate (9) and negative plate (10) respectively through two wires (8), the upper end of casing (1) is equipped with breather pipe (24), the lower extreme of breather pipe (24) links to each other with the headspace of installation cavity (2), install the check valve on breather pipe (24).

3. The quick descaling and filtering device of oil field sewage and electricity induction cathode of claim 2, characterized in that, descaling mechanism is including installing motor (18) on the left of casing (1), the lower extreme of mounting panel (7) is rotated and is connected with reciprocal lead screw (11), the lower extreme fixedly connected with guide bar (12) of mounting panel (7), threaded connection has movable block (13) on reciprocal lead screw (11), guide bar (12) run through movable block (13), scraper blade (14) are installed to the right-hand member of movable block (13), scraper blade (14) cooperate with negative plate (10), the fixed cover of lower extreme of reciprocal lead screw (11) is equipped with first bevel gear (15), the output shaft end of motor (18) extends to installation cavity (2) in and fixedly connected with dwang (17), the fixed cover in left end of dwang (17) is equipped with second bevel gear (16), the second bevel gear (16) is meshed with the first bevel gear (15).

4. The oilfield sewage electrically-induced cathode rapid descaling filtering device according to claim 3, wherein a sewage pipe (22) and a water guiding pipe (21) are respectively installed at the left side and the right side of the shell (1), the opposite ends of the sewage pipe (22) and the water guiding pipe (21) are communicated with the installation cavity (2), and a second valve (23) is installed on each of the sewage pipe (22) and the water guiding pipe (21).

5. The quick descaling filtering device of oil field sewage water electric induction cathode according to claim 1, characterized in that the filter screen plate (19) is being set up to one side, the level is equipped with activated carbon plate (20) in installation cavity (2), both ends respectively with the inner wall fixed connection about the corresponding installation cavity (2) about activated carbon plate (20), activated carbon plate (20) are located the below of filter screen plate (19).

6. The device for rapidly removing the scale by the electro-induced cathode of the oilfield sewage according to claim 3, wherein the scraper (14) consists of a concave plate and a scraper, and the shell (1) is made of stainless steel.