Skid-mounted water injection station

Abstract

A skid-mounted water injection station is characterized by comprising a base, a primary filtering mechanism, a water-oil separation mechanism, an adsorption purification mechanism and a water storage tank, the primary filtering mechanism is mounted on the base and connected with the water-oil separation mechanism through a first water pump, and the water-oil separation mechanism is connected with the adsorption purification mechanism through a second water pump; according to the utility model, suspended matters and impurities in water are removed by arranging the primary filtering assembly, and then oil substances in the water are removed through the water-oil separation mechanism, so that the water-oil separation efficiency is improved, and the water-oil separation efficiency is improved. And the water quality is further improved through the purification and adsorption mechanism, and the recovery efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water injection stations for oil mining, in particular to a skid-mounted water injection station. Background Art

[0002] The skid-mounted water injection station is a water injection method that uses a "container" type water distribution room. It is widely used in scattered water injection development of oil fields. The water injection skid has the advantages of being movable, simple and convenient. The water injection station is a place where the water source or treated water is pressurized to meet the pressure requirements of the water injection well.

[0003] The water injection station includes water supply system, power supply and distribution system, cooling system, lubricating oil system, protection system, drainage system and heating system. The existing water injection station has many problems in the water supply system. The water supply is not effectively filtered, and the suspended matter and oil substances in the water are not treated, which affects the final product water quality. The quality of water is directly related to the recovery rate, and poor water quality will also affect the service life of the water pump. Therefore, a skid-mounted water injection station is proposed to solve the above problems. Utility Model Content

[0004] In view of the above existing technical problems, the utility model provides a skid-mounted water injection station, which is characterized by comprising a base, a primary filtering mechanism, a water-oil separation mechanism, an adsorption purification mechanism and a water storage tank, wherein the primary filtering mechanism is installed on the base, the primary filtering mechanism is connected to the water-oil separation mechanism through a first water pump, the water-oil separation mechanism is connected to the adsorption purification mechanism through a second water pump, the adsorption purification mechanism is connected to the water storage tank through a third water pump, and the water outlet of the water storage tank is connected to the water outlet pipe through a pressure pump.

[0005] The primary filtering mechanism is composed of a filter box, a fixing plate, a filter cartridge, a stirring motor and a stirring rod. The top of the filter box is set to an open structure. The fixing plate is fixedly installed at the top opening of the filter box by bolts. The filter cartridge is installed under the fixing plate. The filter cartridge is located inside the filter box. The stirring motor is installed on the fixing plate. The output end of the stirring motor is connected to the stirring rod through a rotating shaft.

[0006] The water-oil separation mechanism comprises a separation box, a hydrophilic and oleophobic membrane, a scraping assembly and an oil suction pump. The water inlet of the separation box is connected to the water outlet of the filter box through a first water pump. The upper end of the separation box is provided with a hydrophilic and oleophobic membrane. The scraping assembly is installed on the separation box. The oil suction pump is installed at the oil outlet provided at the upper end of the separation box.

[0007] The scraping assembly is composed of a mounting frame, a multi-stage electric push rod and an oil scraper. The multi-stage electric push rod is mounted on the outer side of the separation box through the mounting frame. The telescopic end of the multi-stage electric push rod extends into the separation box and is connected to the oil scraper. The bottom surface of the oil scraper is in contact with the hydrophilic and oleophobic film.

[0008] The adsorption purification mechanism includes a purification box, an adsorption plate, and a mounting plate. The water inlet of the purification box is connected to the water outlet of the separation box through a second water pump. The mounting plate is fixed to the mounting groove provided at the upper end of the purification box by screws. The mounting plate is connected to the adsorption plate. The lower end of the adsorption plate is clamped in a clamping block provided in the purification box.

[0009] The water outlet of the purification box is connected to the water storage tank through the third water pump.

[0010] Specifically, the fixing plate and the mounting plate are both provided with lifting rings.

[0011] Specifically, the water inlet provided on the fixed plate is connected to the water inlet pipe.

[0012] Beneficial effects of the utility model:

[0013] The utility model removes suspended matter and impurities in the water by setting up a primary filtering component, then removes oil substances in the water through a water-oil separation mechanism, and then further improves the water quality and the recovery rate through a purification adsorption mechanism;

[0014] The primary filter assembly of the utility model is provided with a stirring rod controlled by a stirring motor, which continuously stirs to prevent the accumulation of impurities on the bottom of the filter cartridge, causing the mesh to be blocked and the water filtering to be slow, and the fixing plate is fixed on the filter box by bolts, so that the filter cartridge can be taken out of the box for cleaning and replacement, which enhances the practicality;

[0015] The utility model adds a scraping component to the water-oil separation mechanism, and the oil scraper is controlled by a multi-stage electric push rod to scrape off the grease attached to the hydrophilic and oleophobic membrane, thereby reducing the problem of slow water-oil separation caused by grease attachment, and the filtered oil substances are discharged through the oil suction pump;

[0016] The utility model designs a purification adsorption box which is convenient for replacing adsorption plates to further perform adsorption treatment on water quality and improve water quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional schematic diagram of the overall structure of a skid-mounted water injection station of the utility model;

[0018] As shown in the figure: 1. Base, 2. Filter box, 21. Fixed plate, 211. Water inlet pipe, 22. Filter cartridge, 23. Stirring motor, 24. Rotating shaft, 25. Stirring rod, 26. Bolt, 3. Separation box, 31. Hydrophilic and oleophobic membrane, 32. Oil suction pump, 331. Mounting frame, 332. Multi-stage electric push rod, 333. Oil scraper, 4. Purification box, 41. Mounting plate, 42. Adsorption plate, 43. Screw, 44. Block, 5. Water storage tank, 51. Water outlet pipe, 6. First water pump, 7. Second water pump, 8. Third water pump, 9. Booster pump, 10. Lifting ring. DETAILED DESCRIPTION

[0019] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, the technical features involved in the different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Example 1

[0023] As shown in the figure, a filter box 2, a separation box 3, a purification box 4 and a water storage box 5 are sequentially installed on the base 1. The top of the filter box 2 is set to an open structure. A fixing plate 21 is fixedly installed at the top opening of the filter box 2 by bolts 26. A filter cartridge 22 is installed below the fixing plate 21, and the filter cartridge 22 is located inside the filter box 2. A stirring motor 23 is installed on the fixing plate 21. The output end of the stirring motor 23 is connected to the stirring rod 25 through a rotating shaft 24. The water inlet arranged on the fixing plate 21 is connected to the water inlet pipe 211, and a hanging ring 10 is arranged on the fixing plate 21.

[0024] The water outlet of the filter box 2 is connected to the water inlet of the separation box 3 of the water-oil separation mechanism through the first water pump 6. A hydrophilic and oleophobic membrane 31 is installed at the upper end of the separation box 3, and an oil suction pump 32 is installed at the oil discharge port set on the separation box 3. The multi-stage electric push rod 332 is installed on the outer side of the separation box 3 through the mounting frame 331. The telescopic end of the multi-stage electric push rod 332 extends into the separation box 3 and is connected to the oil scraper 333. The bottom surface of the oil scraper 333 is in contact with the hydrophilic and oleophobic membrane 31.

[0025] The water outlet of the separation box 3 is connected to the purification box 4 of the adsorption purification mechanism through the second water pump 7. The mounting plate 41 is fixed to the mounting groove at the upper end of the purification box 4 by screws 43. The mounting plate 41 is connected to the adsorption plate 42 of the activated carbon material. The lower end of the adsorption plate 42 is clamped in the clamping block 44 set in the purification box 4, and a lifting ring 10 is set on the mounting plate 41.

[0026] The water outlet of the purification box 4 is connected to the water storage tank 5 through the third water pump 8, and the water outlet of the water storage tank 5 is connected to the water outlet pipe 51 through the booster pump 9. The fixing plate and the mounting plate are both provided with lifting rings.

[0027] Example 2

[0028] When the utility model is used, water enters the filter cartridge 22 in the filter box 2 through the water inlet pipe 211, and the filter cartridge 22 filters out the suspended matter and impurities in the water, and the stirring motor 23 is started during the filtering process, and the stirring rod 25 is controlled by the stirring motor 23 to continuously stir, so as to prevent the accumulation of impurities on the bottom of the filter cartridge 22, causing the mesh to be blocked and making the water filtering slow, and the fixing plate 21 is fixedly installed on the filter box 2 by bolts 26, and the filter cartridge 22 can be taken out from the filter box 2 for cleaning and replacement, which enhances the practicality;

[0029] The first water pump 6 is started to send the water in the filter box 2 into the separation box 3, and the water and oil are separated by the hydrophilic oleophobic membrane 31. The separated oil substances are discharged by the oil suction pump 32, and a scraping component is added. The multi-stage electric push rod 332 controls the reciprocating movement of the scraper plate 333 to scrape off the grease attached to the hydrophilic oleophobic membrane 31, thereby reducing the problem of slow water-oil separation caused by grease attachment;

[0030] The separated water is sent to the purification box 4 by the second water pump 7, and the water quality is further adsorbed by the adsorption plate of the activated carbon material to improve the water quality. Then, the third water pump 8 sends it to the water storage tank 5 for storage. The water-oil booster pump 9 in the water storage tank 5 operates under pressure and performs normal water injection operation through the water outlet pipe 51.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The various components mentioned in the utility model are common technologies in the existing field. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A skid-mounted water injection station, characterized in that It includes a base, a primary filtering mechanism, a water-oil separation mechanism, an adsorption purification mechanism and a water storage tank. The primary filtering mechanism is installed on the base. The primary filtering mechanism is connected to the water-oil separation mechanism through a first water pump. The water-oil separation mechanism is connected to the adsorption purification mechanism through a second water pump. The adsorption purification mechanism is connected to the water storage tank through a third water pump. The water outlet of the water storage tank is connected to the water outlet pipe through a pressure pump.

2. A skid-mounted water injection station according to claim 1, characterized in that The primary filtration mechanism consists of a filter box, a fixed plate, a filter cartridge, a stirring motor and a stirring rod. The top of the filter box is arranged to be an open structure. The fixing plate is fixedly installed at the top opening of the filter box by bolts. The filter cartridge is arranged under the fixing plate. The filter cartridge is located inside the filter box. The stirring motor is installed on the fixed plate. The output end of the stirring motor is connected to the stirring rod through a rotating shaft.

3. A skid-mounted water injection station according to claim 2, characterized in that The water-oil separation mechanism includes a separation box, a hydrophilic and oleophobic membrane, a scraping assembly and an oil suction pump. The water inlet of the separation box is connected to the water outlet of the filter box through a first water pump. The hydrophilic and oleophobic membrane is installed at the upper end of the separation box. The scraping assembly is installed on the separation box. The oil suction pump is installed at the oil discharge port arranged at the upper end of the separation box.

4. A skid-mounted water injection station according to claim 3, characterized in that The scraping assembly consists of a mounting frame, a multi-stage electric push rod and an oil scraper plate. The multi-stage electric push rod is installed on the outer side of the separation box through the mounting frame. The telescopic end of the multi-stage electric push rod extends into the separation box and is connected to the oil scraper plate. The bottom surface of the oil scraper plate is in contact with the hydrophilic and oleophobic film.

5. A skid-mounted water injection station according to claim 4, characterized in that The adsorption purification mechanism includes a purification box, an adsorption plate, and a mounting plate. The water inlet of the purification box is connected to the water outlet of the separation box through a second water pump. The mounting plate is fixed to the mounting groove at the upper end of the purification box by screws. The mounting plate is connected to the adsorption plate, and the lower end of the adsorption plate is clamped in a block set in the purification box.

6. A skid-mounted water injection station according to claim 5, characterized in that The water outlet of the purification box is connected to the water storage tank through the third water pump.

7. The skid-mounted water injection station according to claim 5, characterized in that The fixing plate and the mounting plate are both provided with lifting rings.

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