Oil-water separation tank of oil-displacing agent for oil field

Abstract

The oil-water separation tank comprises a separation mechanism, a material conveying mechanism and a filtering mechanism, the separation mechanism comprises a tank body, an automatic oil discharging device, a water discharging pipe and a material conveying mechanism, and the automatic oil discharging device and the water discharging pipe are connected and communicated with the tank body. The material conveying mechanism comprises a screening tank arranged on the top of the tank body, a liquid conveying pipe connected between the tank body and the screening tank, and an electromagnetic valve installed on the liquid conveying pipe. According to the oil displacement agent screening device, an oil displacement agent is put into the screening tank for standing, after a period of time, impurities in the oil displacement agent sink due to the weight problem and then are concentrated at the top of the electromagnetic valve, then the electric push rod is opened, the electric push rod extrudes the baffle to expose the opening, then the electromagnetic valve is opened, and the impurities accumulated at the bottom flow out of the opening under the impact of grease sewage. The oil-water separation difficulty of the filtered grease sewage is effectively reduced, and the oil-water separation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil water separation tank technical field, concretely is oil water separation tank for oil displacement agent of oil field. BACKGROUND

[0002] Oil displacement agent, an aid used to improve the recovery of crude oil during oil drilling and exploitation. Commonly used is polymer type oil displacement agent. Such as ultra-high molecular weight polyacrylamide, 0.05% aqueous solution can penetrate into oil layer interstice and increase oil by 20%-30%, about 1kg oil displacement agent can increase 10 barrels (1590L) of crude oil.

[0003] The application number for CN202123080524.0 discloses a storage tank oil water separator, including cylinder and float ball and the like structure. Beneficial effect: the utility model adopts baffle and guide rod, when carrying out oil water separation, the oil water entering from the water inlet first contacts the baffle, flows down along the inner wall of the cylinder through the guidance of the baffle, avoids contacting the float ball, thereby avoiding the drainage error caused by the up and down movement of the float ball caused by hitting the float ball, more stable and reliable, in addition, the float ball floats up and down along the guide rod, does not produce left and right swing, movement is also more stable, further improves the stability of the device. The application has certain problems when used, such as: unfiltered oil and sewage, internal mixed with certain impurities, which increases the difficulty of oil water separation and reduces the separation efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] To this end, the technical scheme adopted by the utility model is:

[0006] An oil water separation tank for oil displacement agent of oil field, including separation mechanism, feed mechanism and filter mechanism, the separation mechanism includes tank body, automatic oil discharge device and drain pipe connected and communicated with the tank body, feed mechanism, the feed mechanism includes a screening tank arranged at the top of the tank body, a liquid transfer pipe connected between the tank body and the screening tank, and a solenoid valve installed on the liquid transfer pipe, the filter mechanism, the filter mechanism includes a filter screen disc installed inside the liquid transfer pipe, an electric push rod arranged on one side of the filter screen disc and connected with the inner wall of the liquid transfer pipe, a baffle arranged on the other side of the filter screen disc and matched with the bottom of the inner cavity of the liquid transfer pipe, a receiving box arranged at the bottom of the liquid transfer pipe and connected with the tank body, and an opening formed at the bottom of the liquid transfer pipe, the opening is located at the bottom of the baffle, and the movable end of the electric push rod is movably penetrated through the filter screen disc and fixedly connected with the baffle.

[0007] By adopting the technical scheme, the oil displacement agent is put into the screening tank and is left for a period of time, impurities in the oil displacement agent sink due to weight problems, and then are concentrated on the top of the electromagnetic valve, then the electric push rod is opened, the electric push rod extrudes the baffle, the opening is exposed, then the electromagnetic valve is opened, the impurities accumulated at the bottom flow out of the opening under the impact of the grease sewage, and the filtered grease sewage effectively reduces the oil-water separation difficulty and improves the oil-water separation efficiency.

[0008] In a preferred example, the automatic oil discharge device is arranged on the top of the tank body, and the drain pipe is arranged on one side of the tank body.

[0009] In a preferred example, the tank body is inserted with a heating device on the other side, and the heating device is electrically connected with an external power supply.

[0010] In a preferred example, a valve body is arranged on the drain pipe.

[0011] In a preferred example, a support frame is arranged on the top of the drain pipe, the support frame is fixedly connected with the outer wall of the tank body, and the support frame is sleeved on the bottom of the screening tank.

[0012] In a preferred example, a sealing ring is arranged on the bottom of the baffle, the bottom of the sealing ring is in interference fit with the inner cavity of the infusion pipe, and the sealing ring is arranged on the outer side of the opening.

[0013] In a preferred example, a scraper is arranged on the top of the baffle, and the two ends of the scraper are fixedly connected with the inner wall of the infusion pipe.

[0014] By adopting the technical scheme, the automatic oil discharge device is arranged on the top of the tank body, the drain pipe is arranged on one side of the tank body, the support frame is arranged on the top of the drain pipe, the sealing ring is arranged on the bottom of the baffle, the scraper is arranged on the top of the baffle, and the automatic oil discharge device is arranged on the tank body.

[0015] 1. In the utility model, the oil displacement agent is put into the screening tank and is left for a period of time, impurities in the oil displacement agent sink due to weight problems, and then are concentrated on the top of the electromagnetic valve, then the electric push rod is opened, the electric push rod extrudes the baffle, the opening is exposed, then the electromagnetic valve is opened, the impurities accumulated at the bottom flow out of the opening under the impact of the grease sewage, and the filtered grease sewage effectively reduces the oil-water separation difficulty and improves the oil-water separation efficiency.

[0016] 2. In the utility model, when the impurities in the grease sewage are screened once, the grease sewage is injected into the tank body through the infusion pipe, then the heating device heats the grease sewage, melts the caked grease, and makes the automatic oil discharge device more easily discharge oil, and effectively prevents grease residue. DRAWINGS

[0017] Figure 1It is the overall structure perspective view of the utility model.

[0018] Figure 2 It is the separation mechanism schematic view of the utility model.

[0019] Figure 3 It is the material conveying mechanism schematic view of the utility model.

[0020] Figure 4 It is the filter mechanism schematic view of the utility model.

[0021] Figure 5 It is the infusion tube bottom view of the utility model.

[0022] Figure 6 It is the sealing ring and scraper installation position schematic view of the utility model.

[0023] Reference signs:

[0024] 100, separation mechanism; 110, tank body; 120, automatic oil discharge device; 130, drain pipe;

[0025] 200, material conveying mechanism; 210, screening tank; 220, infusion tube; 230, electromagnetic valve;

[0026] 300, filter mechanism; 310, filter screen disc; 320, electric push rod; 330, baffle; 340, material receiving box; 350, opening;

[0027] 400, heating device;

[0028] 500, valve body;

[0029] 600, support frame;

[0030] 700, sealing ring;

[0031] 800, scraper. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with specific implementation manners and referring to the drawings. It should be explained that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0033] It is understood that the description is only exemplary, and is not intended to limit the scope of the utility model.

[0034] Some embodiments of the utility model are described below in combination with the drawings to provide an oil-water separation tank for oil displacement agent used in oil field.

[0035] Embodiment one:

[0036] In combination withFigures 1-6 The utility model provides an oil -water separation tank of oil displacement agent for oil field, including separation mechanism 100, feed mechanism 200 and filter mechanism 300, separation mechanism 100 includes tank body 110, and the automatic oil discharge device 120 of being connected with tank body 110 and communicating and drain pipe 130,

[0037] Feed mechanism 200, the feed mechanism 200 includes the screen tank 210 of being located at the top of tank body 110, is connected between the liquid delivery pipe 220 of tank body 110 and screen tank 210, is installed on the solenoid valve 230 of liquid delivery pipe 220,

[0038] Filter mechanism 300, the filter mechanism 300 includes the filter screen disc 310 of being installed in the inside of liquid delivery pipe 220, is located in the filter screen disc 310 one side and is connected with the inner wall of liquid delivery pipe 220 electric push rod 320, is located in the filter screen disc 310 other side and is attached with the inner chamber bottom of liquid delivery pipe 220 baffle 330, is located in the liquid delivery pipe 220 bottom and is connected with tank body 110 receiving box 340, is set up in the opening 350 of liquid delivery pipe 220 bottom, the opening 350 is located baffle 330 bottom, and the movable end of electric push rod 320 is movable and is connected with baffle 330 through filter screen disc 310.

[0039] Further, the automatic oil discharge device 120 is located at the top of the tank body 110, and the drain pipe 130 is located at one side of the tank body 110. Since the mass of oil is lighter than that of water, oil will float on top of water. The position of the automatic oil discharge device 120 can effectively remove the oil on the water. Similarly, the drain pipe 130 near the bottom of the tank body 110 can effectively drain the sewage.

[0040] Further, the support frame 600 is provided at the top of the drain pipe 130, the support frame 600 is fixedly connected with the outer wall of the tank body 110, and the support frame 600 is sleeved at the bottom of the screen tank 210. The support frame 600 can support the screen tank 210, so that the screen tank 210 is more firmly installed.

[0041] Further, the sealing ring 700 is installed at the bottom of the baffle 330, the bottom of the sealing ring 700 is in interference fit with the inner cavity bottom of the liquid delivery pipe 220, and the sealing ring 700 is located outside the opening 350. The sealing ring 700 can improve the sealing performance of the baffle 330 and the inner cavity bottom of the liquid delivery pipe 220, so as to prevent the leakage of oil and sewage between the baffle 330 and the liquid delivery pipe 220.

[0042] Further, the baffle 330 top is attached with a scraper 800, both ends of the scraper 800 are fixedly connected with the inner wall of the infusion pipe 220, the scraper 800 is arranged, when the movable end of the electric push rod 320 pushes the baffle 330 to move outward, the scraper 800 can scrape off the impurities accumulated on the baffle 330, and the impurities are effectively reduced.

[0043] Embodiment two:

[0044] In combination Figure 1 As shown in the embodiment one, on the basis of the embodiment one, the other side of the tank body 110 is inserted with a heating device 400, the heating device 400 is electrically connected with an external power supply, the heating device 400 is arranged, the oil and fat condensed into blocks in the tank body 110 can be melted, so that the oil and fat is easily sucked away by the automatic oil discharge device 120.

[0045] Embodiment three:

[0046] In combination Figure 1 As shown in the above embodiment, the valve body 500 is installed on the drain pipe 130, the valve body 500 is arranged, the sewage discharge time in the tank body 110 can be manually controlled, and the use comfort of the device is improved.

[0047] The working principle and use process of the utility model: when the device is put into practical use, the oil displacement agent is put into the screening tank 210 and is left to stand, after a period of time, the impurities in the oil displacement agent sink due to weight problems, and then concentrate on the top of the electromagnetic valve 230, then the electric push rod 320 is opened, the electric push rod 320 extrudes the baffle 330, and the opening 350 is exposed, then the electromagnetic valve 230 is opened, the impurities accumulated at the bottom flow out of the opening 350 under the impact of the oil and fat sewage, then the movable end of the electric push rod 320 is controlled to contract, so that the baffle 330 covers the opening 350 again, then the oil and fat sewage enters the tank body 110 through the infusion pipe 220, the filtered oil and fat sewage effectively reduces the oil and water separation difficulty and improves the oil and water separation efficiency.

[0048] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. An oil-water separator for an oilfield displacement agent, characterized in that, include: The separation mechanism (100) includes a tank (110), an automatic oil draining device (120) connected and communicating with the tank (110), and a drain pipe (130); The material conveying mechanism (200) includes a screening tank (210) disposed on the top of the tank body (110), a liquid conveying pipe (220) connected between the tank body (110) and the screening tank (210), and a solenoid valve (230) installed on the liquid conveying pipe (220); The filtration mechanism (300) includes a filter screen (310) installed inside the infusion tube (220), an electric push rod (320) located on one side of the filter screen (310) and connected to the inner wall of the infusion tube (220), a baffle (330) located on the other side of the filter screen (310) and attached to the bottom of the inner cavity of the infusion tube (220), a receiving box (340) located at the bottom of the infusion tube (220) and connected to the tank body (110), and an opening (350) opened at the bottom of the infusion tube (220). The opening (350) is located at the bottom of the baffle (330). The movable end of the electric push rod (320) movably passes through the filter screen (310) and is fixedly connected to the baffle (330).

2. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, An automatic oil draining device (120) is located on the top of the tank (110), and the drain pipe (130) is located on one side of the tank (110).

3. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, A heating device (400) is inserted into the other side of the tank (110), and the heating device (400) is electrically connected to an external power source.

4. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, A valve body (500) is installed on the drain pipe (130).

5. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, The drain pipe (130) is provided with a support frame (600) at the top. The support frame (600) is fixed to the outer wall of the tank body (110) and the support frame (600) is sleeved on the bottom of the screening tank (210).

6. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, A sealing ring (700) is installed at the bottom of the baffle (330). The bottom of the sealing ring (700) is in interference fit with the bottom of the inner cavity of the infusion tube (220). The sealing ring (700) is located on the outside of the opening (350).

7. The oil-water separator for an oilfield displacement agent according to claim 1, characterized in that, The top of the baffle (330) is fitted with a scraper (800), and both ends of the scraper (800) are fixed to the inner wall of the infusion tube (220).

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