CN219929714U - Oil extraction water pretreatment device based on oil field environmental protection - Google Patents

Abstract

The utility model discloses an oil extraction water pretreatment device based on oilfield environment protection, which comprises a pretreatment box with an opening at the top, wherein transparent observation glass is embedded and fixed on the inner wall of the front side of the pretreatment box, a feed hopper is fixedly communicated with the front side of the pretreatment box, oil extraction water is added into the pretreatment box through the feed hopper, and two sides of the pretreatment box are fixedly connected with an oil stain cleaning mechanism positioned above the same. According to the utility model, the multistage electric telescopic rod, the movable sleeve, the driving motor and the screw driving assembly are matched, so that the cleaning box can be driven to move to effectively scrape and clean the greasy dirt on the liquid surface of the pretreatment box, the greasy dirt inside the cleaning box can be scraped and cleaned and discharged in a simple pushing manner through the arrangement of the slag cleaning assembly and the collecting box, the cleaning effect is improved, the blockage condition of the oil pump can be effectively avoided by directly pushing the oil pump instead of the pumping manner, and the cleaning stability is improved.

Description

Oil extraction water pretreatment device based on oil field environmental protection

Technical Field

The utility model relates to the technical field of oil extraction water pretreatment equipment, in particular to an oil extraction water pretreatment device based on oil field environmental protection.

Background

In the oil extraction wastewater in the oil field, besides floating oil, emulsified oil and dissolved oil, a large amount of suspended solids are contained, the oilfield produced water is sewage formed in the process of petroleum exploitation by water injection, in the process of water injection exploitation, by injecting water into a petroleum layer and adding additives such as PAM (polyacrylamide), surfactant and the like into the water, the surface tension of the water and the hydrophilicity of petroleum are changed, the water and the oil are gathered, and besides the water with the additives and petroleum separation, the water is produced, and the patent application number is searched: 202122741120.5 an oil recovery goes out pretreatment of water device based on oil field environmental protection, including the protective housing, protective housing both sides inner wall is fixed with electronic slide rail respectively, and electronic slide rail inner wall sliding connection has first slip mounting panel and second slip mounting panel respectively, and first slip mounting panel and second slip mounting panel one side outer wall are fixed with electronic lead screw, and electronic lead screw outer wall has the connecting block through threaded connection, and connecting block bottom outer wall is fixed with the oil collecting frame, and oil collecting frame top outer wall is fixed with the support frame, and support frame top outer wall is fixed with the oil-well pump. The oil collection frame and the oil scraping plate are arranged, the control panel controls the electric sliding rail to drive the electric screw rod to adjust the upper and lower positions, the oil collection frame can collect oil layers at the tops of liquids with different thicknesses, the electric screw rod only needs to drive the oil collection frame to move from one side to the other side in the protective shell, oil stains floating at the tops of the liquids in the protective shell can be thoroughly removed, the oil pump sucks out the oil stains scraped into the oil collection frame by the oil scraping plate through the liquid suction pipe, and a worker can be connected with the liquid discharge port through a pipeline in advance outside the liquid discharge port discharge device, so that the oil stains pumped by the oil pump can be effectively discharged;

the oil extraction play pretreatment of water device among the above-mentioned patent, it is through the collection oil frame that sets up and electronic lead screw matched with, can thoroughly clear away the greasy dirt at liquid top, but to the inside clearance of collection oil frame, through the mode of oil-well pump extraction in the above-mentioned patent, it is difficult to be stained with the greasy dirt of attaching at collection oil frame lateral wall effectual clearance, and some impurity that contains in the greasy dirt is taken out in the oil-well pump and also cause its jam easily, synthesize the problem that above-mentioned patent exists, consequently we have proposed an oil extraction play pretreatment of water device based on oil field environmental protection.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an oil extraction water pretreatment device based on oil field environmental protection.

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

the utility model provides an oil recovery play pretreatment of water device based on oil field environmental protection, includes the top for the pretreatment case of opening setting, inlay on the front side inner wall of pretreatment case and be fixed with transparent observation glass, the front side intercommunication of pretreatment case is fixed with the loading hopper, adds oil recovery play water to the inside of pretreatment case through the loading hopper, the same greasy dirt clearance mechanism that lies in its top of both sides fixedly connected with of pretreatment case, greasy dirt clearance mechanism is including the U-shaped pole that lies in the pretreatment case top, the left side fixedly mounted of pretreatment case has the backup pad, the top of backup pad and the equal fixedly connected with multistage electric telescopic handle in right side of pretreatment case, the output shaft top of two multistage electric telescopic handle respectively with the both sides fixed mounting of U-shaped pole, multistage electric telescopic handle is used for driving U-shaped pole vertical movement, the collecting box that the top of backup pad was set up for the opening, the greasy dirt that passes through the collecting box to clear up is seted up the top of U-shaped pole, rotates between the both sides inner wall of mounting groove and installs screw thread drive assembly, the sliding sleeve is equipped with the driving assembly with the screw thread drive motor that is used for removing the inside drive assembly who carries out the removal of screw thread drive assembly, the inside is used for removing the inside drive assembly of screw thread drive assembly, the inside is used for removing the inside the removal of the removal box.

Preferably, the screw thread drive assembly is including rotating the screw rod of installing between mounting groove both sides inner wall, and the thread bush is equipped with the rectangle piece on the screw rod, and screw rod and rectangle piece threaded connection's mode can drive rectangle piece lateral shifting when the screw rod rotates, the top of rectangle piece and the top inner wall fixed connection of removal cover, driving motor's output shaft left end and the right-hand member fixed connection of screw rod, driving motor is used for driving the screw rod rotation.

Preferably, the clear sediment subassembly is established at the push pedal of clearance incasement including movable sleeve, the equal fixedly connected with of left side top and left side bottom of push pedal connects thin pole, the left end of connecting thin pole extends to the left side of clearance case, the equal fixedly connected with connecting block of one side that two connection thin poles kept away from each other, the rectangular channel has all been seted up at the left side top and the left side bottom of clearance case, rectangular rod slip cap is established in the rectangular channel that corresponds, rectangular rod's setting, play the effect of horizontal direction to connecting block and connection thin pole, fixedly connected with spring between rectangular rod's right-hand member and the right side inner wall of corresponding rectangular channel, the setting of spring, can be in the tensile state when relaxing the pulling force of tensile state when driving rectangular rod right movement resets.

Preferably, the distance between the front side and the rear side of the purge bin is the same as the distance between the front side inner wall and the rear side inner wall of the pretreatment bin.

Preferably, the right side bottom intercommunication of pretreatment case is fixed with the fluid-discharge tube, and the right-hand member fixedly connected with valve of fluid-discharge tube and valve's setting for the inside liquid of pretreatment case can be discharged through fluid-discharge tube and valve, and the bottom both sides of pretreatment case all fixedly connected with supporting seat.

Preferably, both sides of the U-shaped rod are fixedly connected with fixed blocks, and the bottoms of the fixed blocks are fixedly connected with the top ends of the corresponding multistage electric telescopic rods.

Preferably, a threaded hole is formed in the right side of the rectangular block, and the threaded hole is in threaded connection with the screw rod.

Compared with the prior art, the utility model has the beneficial effects that:

1. the U-shaped rod, the multi-stage electric telescopic rod, the movable sleeve, the driving motor and the screw thread driving assembly are matched, so that the cleaning box can be driven to vertically and transversely move to effectively scrape and clean oil stains on the liquid surface of the pretreatment box;

2. through the cooperation of the slag removal assembly and the collecting box, the greasy dirt inside the cleaning box can be pushed out and collected in a simple pushing mode, the amount of the greasy dirt attached to the inner wall of the cleaning box can be effectively reduced, the blockage of the oil pump can be avoided by directly pushing out and cleaning instead of the pumping mode of the oil pump, and the cleaning stability is improved;

according to the utility model, the multistage electric telescopic rod, the movable sleeve, the driving motor and the screw driving assembly are matched, so that the cleaning box can be driven to move to effectively scrape and clean the greasy dirt on the liquid surface of the pretreatment box, the greasy dirt inside the cleaning box can be scraped and cleaned and discharged in a simple pushing manner through the arrangement of the slag cleaning assembly and the collecting box, the cleaning effect is improved, the blockage condition of the oil pump can be effectively avoided by directly pushing the oil pump instead of the pumping manner, and the cleaning stability is improved.

Drawings

FIG. 1 is a schematic diagram of a pretreatment device for oil extraction effluent based on oilfield environmental protection;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

fig. 4 is a schematic diagram of a perspective structure of an oil stain cleaning mechanism of an oil extraction water pretreatment device based on oil field environmental protection.

In the figure: 100. a pretreatment box; 101. transparent observation glass; 102. a hopper; 1. a support plate; 2. a multi-stage electric telescopic rod; 3. a U-shaped rod; 4. a mounting groove; 5. a screw; 6. a driving motor; 7. a moving sleeve; 8. rectangular blocks; 9. a collection box; 10. a cleaning box; 11. a push plate; 12. a rectangular bar; 13. rectangular grooves; 14. a spring; 15. connecting a thin rod; 16. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an oilfield environment-friendly oil extraction water pretreatment device comprises a pretreatment tank 100 with an opening at the top, wherein a drain pipe is fixedly connected to the bottom of the right side of the pretreatment tank 100, a valve is fixedly connected to the right end of the drain pipe, the drain pipe and the valve are arranged, so that liquid in the pretreatment tank 100 can be discharged through the drain pipe and the valve, supporting seats are fixedly connected to two sides of the bottom of the pretreatment tank 100, the supporting seats are used for supporting the whole device, transparent observation glass 101 is fixedly embedded in the inner wall of the front side of the pretreatment tank 100, an embedded hole with the top being provided with the opening is formed in the inner wall of the front side of the pretreatment tank 100, the inner wall of the embedded hole is fixedly connected with the outer side of the transparent observation glass 101, the condition in the pretreatment tank 100 can be observed through the transparent observation glass 101, and a feeding hopper 102 is fixedly connected to the front side of the pretreatment tank 100, and oil extraction water is added into the pretreatment tank 100 through the feeding hopper 102;

the two sides of the pretreatment box 100 are fixedly connected with the same oil stain cleaning mechanism positioned above the pretreatment box 100, the oil stain cleaning mechanism comprises a U-shaped rod 3 positioned above the pretreatment box 100, a supporting plate 1 is fixedly installed on the left side of the pretreatment box 100, multistage electric telescopic rods 2 are fixedly connected to the top of the supporting plate 1 and the right side of the pretreatment box 100, the output shaft tops of the two multistage electric telescopic rods 2 are respectively fixedly installed on the two sides of the U-shaped rod 3, fixing blocks are fixedly connected to the two sides of the U-shaped rod 3, the bottoms of the fixing blocks are fixedly connected with the top ends of the output shafts of the corresponding multistage electric telescopic rods 2, the installation connection of the multistage electric telescopic rods 2 and the U-shaped rod 3 is realized through the fixing blocks, and the multistage electric telescopic rods 2 and the fixing blocks are used for driving the U-shaped rod 3 to move vertically;

the top of the supporting plate 1 is provided with a collecting box 9 with an opening, cleaned greasy dirt is collected through the collecting box 9, the top of the U-shaped rod 3 is provided with a mounting groove 4, a threaded driving assembly is rotatably arranged between two side inner walls of the mounting groove 4, the threaded driving assembly comprises a screw 5 rotatably arranged between two side inner walls of the mounting groove 4, circular holes are formed in the two side inner walls of the mounting groove 4, a bearing is fixedly sleeved in the circular holes, the inner side of an inner ring of the bearing is fixedly connected with the outer side of the screw 5, the bearing plays a role of rotatably mounting the screw 5, a rectangular block 8 is sleeved on the screw 5, the rectangular block 8 is also in sliding contact with the front side inner wall and the rear side inner wall of the mounting groove 4, a threaded hole in threaded connection with the screw 5 is formed in the right side of the rectangular block 8, the screw 5 and the rectangular block 8 are in threaded connection with the screw 5, the screw 5 can transversely move while the screw 5 rotates, a moving sleeve 7 is arranged on the U-shaped rod 3 in a sliding sleeve, the top inner wall, the front side inner wall and the rear side inner wall of the moving sleeve 7 are in sliding contact with the outer side of the U-shaped rod 3, the rectangular block 8 is fixedly connected with the top end 6 of the motor, and the left side 6 is fixedly connected with the driving shaft 6, and the driving shaft 6 is fixedly connected with the driving shaft 6;

the bottom of the movable sleeve 7 is fixedly provided with a cleaning box 10 with an opening at the left side, wherein the distance between the front side and the rear side of the cleaning box 10 is the same as the distance between the front side inner wall and the rear side inner wall of the pretreatment box 100, the cleaning box 10 is used for scraping and cleaning oil stains in the pretreatment box 100, a slag cleaning component is arranged in the cleaning box 10, the slag cleaning component comprises a push plate 11 movably sleeved in the cleaning box 10, the front side, the rear side, the top and the bottom of the push plate 11 are respectively in movable contact with the front side inner wall, the rear side inner wall, the top inner wall and the bottom inner wall of the cleaning box 10, the oil stains in the cleaning box 10 and on the inner wall thereof are scraped and pushed for cleaning through the push plate 11, the left side top and the left side bottom of the push plate 11 are fixedly connected with a connecting thin rod 15, the left end of the connecting thin rod 15 extends to the left side of the cleaning box 10, the utility model relates to a cleaning box, which is characterized in that two connecting thin rods 15 are fixedly connected with connecting blocks 16 on one side far away from each other, the right side of each connecting block 16 is fixedly connected with a rectangular rod 12, the top of the left side and the bottom of the left side of the cleaning box 10 are respectively provided with a rectangular groove 13, the rectangular rods 12 are slidably sleeved in the corresponding rectangular grooves 13, the rectangular rods 12 play a role in transverse guiding on the connecting blocks 16 and the connecting thin rods 15, springs 14 are fixedly connected between the right ends of the rectangular rods 12 and the right side inner walls of the corresponding rectangular grooves 13, the springs 14 are arranged, when the connecting thin rods are in a stretching state and loose tension, the rectangular rods 12 can be driven to move rightwards to reset, the cleaning box 10 is driven to move to effectively scrape and clean greasy dirt on the liquid surface of the pretreatment box 100 through the arrangement of a slag removing component and a collecting box 9, the oil stain inside the cleaning box 10 can be scraped, cleaned and discharged in a simple pushing mode, the cleaning effect is improved, the oil pump is directly pushed to replace the pumping mode of the oil pump, the blockage of the oil pump can be effectively avoided, and the cleaning stability is improved.

Working principle: when the oil extraction device is used, oil extraction water to be treated can be added into the pretreatment tank 100 through the charging hopper 102, oil stains in the oil extraction water float above the liquid level, after the oil extraction water stands for a period of time, the liquid level of the oil stains is checked through the transparent observation glass 101, the vertical position of the cleaning tank 10 is adjusted according to the liquid level of the oil stains, during adjustment, the two multi-stage electric telescopic rods 2 are reversely started, the output shafts of the two multi-stage electric telescopic rods 2 drive the U-shaped rod 3 to move downwards through the two fixed blocks, the U-shaped rod 3 drives the cleaning tank 10 to move downwards through the moving sleeve 7, the multi-stage electric telescopic rods 2 are stopped when the cleaning tank 10 moves downwards to the bottom inner wall of the bottom of the cleaning tank slightly lower than the bottom of the oil stain surface, the driving motor 6 is started in the forward direction, the output shaft of the driving motor 6 drives the screw 5 to rotate, the rectangular block 8 is driven to move leftwards under the action of the threaded hole formed in the rectangular block 8, the rectangular block 8 drives the cleaning tank 10 to move leftwards through the moving sleeve 7, and simultaneously scrapes the oil stains when the cleaning tank 10 moves leftwards, so that the oil stains enter the cleaning tank 10, and the left side of the cleaning tank 6 is stopped, and the oil stains are scraped, and the inside the pretreatment tank is cleaned, and the pretreatment tank is realized, and the pretreatment is cleaned 100 is realized;

the two multi-stage electric telescopic rods 2 are started in the forward direction, the same way and the reverse direction start the movement process of the two multi-stage electric telescopic rods 2 are opposite, so that the cleaning box 10 is converted into upward movement, the cleaning box 10 moves upwards to the upper side of the pretreatment box 100, the driving motor 6 is started in the forward direction again, the cleaning box 10 continues to move leftwards, when the cleaning box 10 moves leftwards to the upper side of the collection box 9, the driving motor 6 is stopped, the two connecting blocks 16 are pulled leftwards, the connecting blocks 16 drive the corresponding connecting thin rods 15 and the rectangular rods 12 to move leftwards, the rectangular rods 12 slide in the corresponding rectangular grooves 13 and stretch the springs 14, the two connecting thin rods 15 drive the push plate 11 to move leftwards at the same time, the push plate 11 pushes out oil stains inside the cleaning box 10 leftwards and drops into the collection box 9, the collection box 9 collects the cleaned oil stains, the push plate 11 can scrape the oil stains on the side wall of the cleaning box 10 leftwards, the oil stains are scraped off, the oil stains are prevented from adhering to the inner wall of the cleaning box 10 by the direct pushing out, the condition is replaced by the pulling out of the oil pump is blocked by the direct pushing out, and the blocking stability is improved;

after cleaning, the pulling force to the connecting block 16 is released, at this time, the elastic force of the spring 14 in a stretched state drives the corresponding rectangular rod 12 to move rightwards, and the rectangular rod 12 sequentially passes through the connecting block 16 and the connecting thin rod 15 to drive the push plate 11 to move rightwards for resetting, so that the next cleaning operation can be waited.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides an oil recovery water pretreatment device based on oil field environmental protection, includes pretreatment tank (100) that the top set up for the opening, inlay on the front side inner wall of pretreatment tank (100) and be fixed with transparent observation glass (101), the front side intercommunication of pretreatment tank (100) is fixed with loading hopper (102), a serial communication port, the both sides fixedly connected with of pretreatment tank (100) are the same is located greasy dirt clearance mechanism of its top, greasy dirt clearance mechanism is including U-shaped pole (3) that are located pretreatment tank (100) top, the left side fixed mounting of pretreatment tank (100) has backup pad (1), the top of backup pad (1) and the right side of pretreatment tank (100) are all fixedly connected with multistage electric telescopic handle (2), the output shaft top of two multistage electric telescopic handle (2) respectively with the both sides fixed mounting of U-shaped pole (3), the collection box (9) that the top set up for the opening are placed at the top of backup pad (1), install mounting groove (4) top opening, install U-shaped pole (3) between the both sides inner wall rotation between the installation groove (4) have screw thread subassembly, the fixed connection of drive sleeve (7) is fixed with the fixed drive shaft (7) of the fixed connection of drive sleeve (7) for moving screw thread subassembly (10), a slag removing component is arranged in the cleaning box (10).

2. The oil extraction water pretreatment device based on the oilfield environment protection according to claim 1, wherein the screw driving assembly comprises a screw rod (5) rotatably installed between the inner walls of the two sides of the installation groove (4), a rectangular block (8) is sleeved on the screw rod (5) in a threaded mode, the top of the rectangular block (8) is fixedly connected with the inner wall of the top of the movable sleeve (7), and the left end of an output shaft of the driving motor (6) is fixedly connected with the right end of the screw rod (5).

3. The oil extraction water pretreatment device based on oil field environmental protection of claim 2, characterized in that, clear slag subassembly includes push pedal (11) of movable sleeve in clearance case (10), the equal fixedly connected with of left side top and left side bottom of push pedal (11) is connected thin pole (15), the left end of connecting thin pole (15) extends to the left side of clearance case (10), the equal fixedly connected with connecting block (16) of one side that two are connected thin poles (15) keep away from each other, rectangular channel (13) have all been seted up on the right side fixedly connected with rectangular rod (12) of connecting block (16), rectangular channel (13) have all been seted up at the left side top and the left side bottom of clearance case (10), rectangular channel (13) are established to rectangular rod (12) slip cap, fixedly connected with spring (14) between the right-hand member of rectangular rod (12) and the right side inner wall of rectangular channel (13) that corresponds.

4. An oilfield environment-friendly oil extraction water pretreatment device according to claim 3, wherein the distance between the front side and the rear side of the cleaning box (10) is the same as the distance between the front side inner wall and the rear side inner wall of the pretreatment box (100).

5. The oil extraction water pretreatment device based on the oilfield environment protection according to claim 1, wherein a liquid discharge pipe is fixedly connected to the bottom of the right side of the pretreatment tank (100), a valve is fixedly connected to the right end of the liquid discharge pipe, and supporting seats are fixedly connected to two sides of the bottom of the pretreatment tank (100).

6. The oil extraction water pretreatment device based on the oilfield environment protection according to claim 1, wherein the two sides of the U-shaped rod (3) are fixedly connected with fixed blocks, and the bottoms of the fixed blocks are fixedly connected with the top ends of the output shafts of the corresponding multi-stage electric telescopic rods (2).

7. The oil extraction water pretreatment device based on oilfield environment protection according to claim 2, wherein a threaded hole is formed in the right side of the rectangular block (8), and the threaded hole is in threaded connection with the screw (5).