CN218810577U

CN218810577U - Fine filter for oilfield water injection

Info

Publication number: CN218810577U
Application number: CN202222631482.3U
Authority: CN
Inventors: 徐江峰; 刘鹏; 马龙龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-04-07
Anticipated expiration: 2032-10-08

Abstract

The utility model belongs to the technical field of oil field water injection, including the filter body, the fixed intercommunication in filter body top has the water injection pipe, the fixed intercommunication in filter body bottom has the outlet pipe, the fixed intercommunication in filter body left side has the backwash pipe, filter chamber and water storage chamber have been seted up in the filter body, the fixed mounting of filter chamber has the filter screen, fixed mounting has two pairs of scraper blades on the transmission shaft, fixedly connected with many connecting rods in hanging the scraping ring, fixedly connected with swivel nut between many connecting rods, the fixed mounting of transmission shaft bottom has driven bevel gear, the extension shaft extends to in the filter body and fixed mounting has driving bevel gear, the fixed mounting of filter body inner wall has a plurality of ultraviolet lamp stick, set up a plurality of filtration pores on the throttle disc; this filter adopts the mode of backwash to wash the filter inside to add clean subassembly and cleaned the filter inner wall, the purification subassembly that adds simultaneously can carry out the secondary to water and purify.

Description

Fine filter for oilfield water injection

Technical Field

The utility model belongs to the technical field of the oil field water injection, in particular to fine filter of oil field water injection.

Background

In recent years, with the continuous development of oil and gas fields worldwide, new attempts and breakthroughs are made on the technology for treating the effluent of the oil well, and the technology for filtering, separating and reinjecting the effluent of the oil well is increasingly regarded by the oil and gas industry. The existing oil well exploitation generally adopts an oil well sewage treatment process technology of 'oil-gas-water mixed exploitation-ground separation-sewage treatment-sewage reinjection process', oil field oily sewage is subjected to centralized treatment in a sewage station and then is remotely conveyed to a wellhead of a water injection well through a pipeline, and a filter is generally adopted to filter the sewage so as to prevent underground water pollution.

Traditional filter need dismantle after long-term the use clean filter inside, and comparatively troublesome and efficiency is not high, and traditional filter adopts the individual layer filter screen to filter more simultaneously, and the filtration purifying effect is not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil field water injection fine filter for solve above-mentioned problem.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an oil field water injection fine filter, which comprises a filter body, wherein a controller is fixedly arranged at the front end of the filter body, the top of the filter body is fixedly communicated with a water injection pipe, the bottom of the filter body is fixedly communicated with a water outlet pipe, the left side of the filter body is fixedly communicated with a backwashing pipe, the right side of the filter body is fixedly communicated with a sewage discharge pipe, the sewage discharge pipe is positioned above the backwashing pipe, the filter body is internally provided with a filter cavity and a water storage cavity, the water storage cavity is positioned below the filter cavity, a filter screen is fixedly arranged in the filter cavity, a cleaning component is arranged in the filter cavity, the cleaning component comprises a transmission shaft, a scraping ring and a driving motor, the transmission shaft is rotatably arranged at the circle center of the filter screen, two pairs of scraping plates are fixedly arranged on the transmission shaft, a plurality of connecting rods are fixedly connected in the scraping ring, screw sleeves are fixedly connected among the connecting rods, the transmission shaft is provided with a thread section, the thread sleeve is arranged on the thread section in a threaded manner, the bottom of the transmission shaft is fixedly provided with a driven bevel gear, the driving motor is fixedly arranged at the right end of the filter body, the output end of the driving motor is fixedly provided with an extension shaft, the extension shaft extends into the filter body and is fixedly provided with a driving bevel gear which is meshed and connected with a driven bevel gear, a plurality of ultraviolet lamp rods are fixedly arranged on the inner wall of the filter body and are positioned between the filter cavity and the water storage cavity, a purification component is arranged between the filter cavity and the water storage cavity, the purification component comprises a throttling disc and a filter cover, the throttling disc is located between the ultraviolet lamp rods, a plurality of filtering holes are formed in the throttling disc, and the filtering cover is provided with a plurality of filtering holes and is fixedly installed at two ends of the plurality of filtering holes.

As an optimized technical scheme of the utility model, all be equipped with the solenoid valve on water injection pipe, outlet pipe, backwash pipe and the blow off pipe.

As the utility model discloses a preferred technical scheme, one of them is a pair of scraper blade and filter screen top contact, another is right the scraper blade contacts with this internal top of filter.

As a preferred technical scheme of the utility model, two spacing spouts have been seted up to the filter body inner wall, scrape and circle and be equipped with two spacing sliders, spacing slider and spacing spout sliding connection.

As a preferred technical scheme of the utility model, the limbers have been seted up on the filter cover, the limbers top is equipped with the filter screen.

As an optimal technical scheme of the utility model, the orifice plate is made for the high glass material that passes through, the filter pore intussuseption is filled with the activated carbon grain.

The utility model discloses the beneficial effect who reaches is:

1. through water injection pipe water injection to this internal through the filter screen to sewage filter, sewage flows to retaining chamber through filtering the aperture flow direction after the one-level filtration to adsorb impurity and peculiar smell through the active carbon granule in the orifice plate, the ultraviolet lamp stick can disinfect the sewage through flowing the orifice plate simultaneously, goes out water through the delivery port at last.

2. If need clean inside the filter body, can open the solenoid valve on backwash pipe and the drain pipe, and close the solenoid valve on water injection pipe and the outlet pipe, again with backwash union coupling water source can wash the inside direction of carrying on of filter, and drive the extension axle through driving motor and rotate, the extension axle rotates and drives the rotation of drive bevel gear, the rotation of drive bevel gear drives driven bevel gear and rotates, driven bevel gear rotates and drives the transmission shaft and rotate, the transmission shaft rotates and drives the scraper blade and rotate and can strike off filter screen and this internal top sticky impurity of filter, and the sliding action of transmission shaft normal running fit limit slider and spacing spout drives the impurity that the circle reciprocated and can strike off the filter body inner wall, promote clean effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a fine filter for oilfield flooding according to the present invention;

FIG. 2 is a schematic diagram of the internal structure of the fine filter for oilfield flooding according to the present invention;

FIG. 3 is a schematic diagram of the cleaning assembly of the fine filter for oilfield flooding according to the present invention;

fig. 4 is a schematic structural diagram of a purification assembly in the fine filter for oilfield water injection.

In the figure: 1. a filter body; 2. a cleaning assembly; 201. a drive shaft; 202. scraping a ring; 203. a drive motor; 204. a squeegee; 205. a connecting rod; 206. a threaded sleeve; 207. a limiting slide block; 208. a driven bevel gear; 209. an extension shaft; 210. a drive bevel gear; 3. a purification assembly; 301. a throttle disk; 302. a filter cover; 303. a filtration pore; 4. a controller; 5. a water injection pipe; 6. a water outlet pipe; 7. backwashing the tubes; 8. a blow-off pipe; 9. a filter chamber; 10. a water storage cavity; 11. a filter screen; 12. an ultraviolet lamp bar.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-4, an oilfield water injection fine filter comprises a filter body 1, a controller 4 is fixedly installed at the front end of the filter body 1, a water injection pipe 5 is fixedly communicated with the top of the filter body 1, a water outlet pipe 6 is fixedly communicated with the bottom of the filter body 1, a backwashing pipe 7 is fixedly communicated with the left side of the filter body 1, a sewage discharge pipe 8 is fixedly communicated with the right side of the filter body 1, the sewage discharge pipe 8 is positioned above the backwashing pipe 7, a filter cavity 9 and a water storage cavity 10 are arranged in the filter body 1, the water storage cavity 10 is positioned below the filter cavity 9, a filter screen 11 is fixedly installed in the filter cavity 9, a cleaning assembly 2 is arranged in the filter cavity 9, the cleaning assembly 2 comprises a transmission shaft 201, a scraping ring 202 and a driving motor 203, the transmission shaft 201 is rotatably installed at the circle center of the filter screen 11, two pairs of scraping plates 204 are fixedly installed on the transmission shaft 201, and a plurality of connecting rods 205 are fixedly connected in the scraping ring 202, a threaded sleeve 206 is fixedly connected among a plurality of connecting rods 205, a threaded section is arranged on a transmission shaft 201, the threaded sleeve 206 is arranged on the threaded section in a threaded manner, a driven bevel gear 208 is fixedly arranged at the bottom of the transmission shaft 201, a driving motor 203 is fixedly arranged at the right end of a filter body 1, an extension shaft 209 is fixedly arranged at the output end of the driving motor 203, the extension shaft 209 extends into the filter body 1 and is fixedly provided with a driving bevel gear 210, the driving bevel gear 210 is meshed with the driven bevel gear 208, a plurality of ultraviolet lamp rods 12 are fixedly arranged on the inner wall of the filter body 1, the ultraviolet lamp rods 12 are positioned between a filter cavity 9 and a water storage cavity 10, a purification component 3 is arranged between the filter cavity 9 and the water storage cavity 10, the purification component 3 comprises a throttle disc 301 and a filter cover 302, the throttle disc 301 is positioned between the ultraviolet lamp rods 12, and a plurality of filter holes 303 are formed in the throttle disc 301, the filter cover 302 is provided with a plurality of filter holes 303 and is fixedly arranged at two ends of the plurality of filter holes 303, when the filter is used, water is injected into the filter body 1 through the water injection pipe 5, sewage is filtered through the filter screen 11, the sewage after primary filtering flows to the water storage cavity 10 through the filter holes 303, impurities and peculiar smell are adsorbed through activated carbon particles in the throttle disc 301, meanwhile, the ultraviolet lamp rod 12 can sterilize the sewage passing through the throttle disc 301, and finally, water is discharged through a water outlet; if need clean filter body 1 inside, can open the solenoid valve on backwash pipe 7 and the drain pipe, and close the solenoid valve on water injection pipe 5 and the outlet pipe 6, it can wash the inside direction of going on of filter to connect the water source with backwash pipe 7 again, and drive extension axle 209 through driving motor 203 and rotate, extension axle 209 rotates and drives drive bevel gear 210 and rotate, drive bevel gear 210 rotates and drives driven bevel gear 208 and rotate, driven bevel gear 208 rotates and drives transmission shaft 201 and rotate, transmission shaft 201 rotates and drives scraper blade 204 and rotate and can strike off filter screen 11 and the sticky impurity in the filter body 1 internal top, and transmission shaft 201 normal running fit limit slide 207 and the sliding action of spacing spout drive scraper ring 202 and reciprocate and can strike off the impurity of filter body 1 inner wall, promote clean effect.

Electromagnetic valves are arranged on the water injection pipe 5, the water outlet pipe 6, the backwashing pipe 7 and the sewage discharge pipe 8; one pair of the scraping plates 204 is contacted with the top of the filter screen 11, and the other pair of the scraping plates 204 is contacted with the inner top of the filter body 1; two limiting sliding grooves are formed in the inner wall of the filter body 1, two limiting sliding blocks 207 are arranged on the scraping ring 202, and the limiting sliding blocks 207 are connected with the limiting sliding grooves in a sliding mode; a water through hole is formed in the filter cover 302, and a filter screen is arranged at the top of the water through hole; the throttle plate 301 is made of high-transparency glass material, and the filtering holes 303 are filled with activated carbon particles.

Specifically, the utility model discloses during the use, with filter body 1 fixed mounting in the oil well top, connect external control terminal through controller 4 and control, communicate water injection pipe 5 with the sewage source, through water injection pipe 5 water injection to filter body 1 in, filter sewage through filter screen 11, sewage flows to water storage cavity 10 through filtration pore 303 after the first order is filtered, and adsorb impurity and peculiar smell through the activated carbon grain in throttle plate 301, ultraviolet lamp stick 12 can disinfect the sewage through throttle plate 301 simultaneously, goes out water through the delivery port at last; if need clean filter body 1 inside, can open the solenoid valve on backwash pipe 7 and the drain pipe, and close the solenoid valve on water injection pipe 5 and the outlet pipe 6, it can wash the inside direction of going on of filter to connect the water source with backwash pipe 7 again, and drive extension axle 209 through driving motor 203 and rotate, extension axle 209 rotates and drives drive bevel gear 210 and rotate, drive bevel gear 210 rotates and drives driven bevel gear 208 and rotate, driven bevel gear 208 rotates and drives transmission shaft 201 and rotate, transmission shaft 201 rotates and drives scraper blade 204 and rotate and can strike off filter screen 11 and the sticky impurity in the filter body 1 internal top, and transmission shaft 201 normal running fit limit slide 207 and the sliding action of spacing spout drive scraper ring 202 and reciprocate and can strike off the impurity of filter body 1 inner wall, promote clean effect.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of this application, "plurality" means two or more unless specifically stated otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The fine filter for oilfield water injection is characterized in that: the filter comprises a filter body, a controller is fixedly installed at the front end of the filter body, a water injection pipe is fixedly communicated with the top of the filter body, a water outlet pipe is fixedly communicated with the bottom of the filter body, a backwashing pipe is fixedly communicated with the left side of the filter body, a blow-off pipe is fixedly communicated with the right side of the filter body and is positioned above the backwashing pipe, a filter cavity and a water storage cavity are arranged in the filter body, the water storage cavity is positioned below the filter cavity, a filter screen is fixedly installed in the filter cavity, a cleaning assembly is arranged in the filter cavity and comprises a transmission shaft, a scraping ring and a driving motor, the transmission shaft is rotatably installed at the circle center of the filter screen, two pairs of scraping plates are fixedly installed on the transmission shaft, a plurality of connecting rods are fixedly connected in the scraping ring, and screw sleeves are fixedly connected between the connecting rods, the improved water filter is characterized in that a thread section is arranged on the transmission shaft, a thread sleeve is installed on the thread section, a driven bevel gear is fixedly installed at the bottom of the transmission shaft, a driving motor is fixedly installed at the right end of the filter body, an extension shaft is fixedly installed at the output end of the driving motor and extends into the filter body, a driving bevel gear is fixedly installed at the bottom of the transmission shaft, the driving bevel gear is meshed with the driven bevel gear, a plurality of ultraviolet lamp rods are fixedly installed on the inner wall of the filter body and are located between the filter cavity and the water storage cavity, a purification assembly is arranged between the filter cavity and the water storage cavity and comprises a throttling disc and a filter cover, the throttling disc is located between the ultraviolet lamp rods, a plurality of filter holes are formed in the throttling disc, and the filter cover is provided with a plurality of filter holes and is fixedly installed at two ends of the plurality of filter holes.

2. The fine filter for oilfield flooding according to claim 1, wherein the fine filter comprises: and electromagnetic valves are arranged on the water injection pipe, the water outlet pipe, the backwashing pipe and the sewage discharge pipe.

3. The fine filter for oilfield flooding according to claim 1, wherein the fine filter comprises: one pair of the scraping plates is contacted with the top of the filter screen, and the other pair of the scraping plates is contacted with the inner top of the filter body.

4. The fine filter for oilfield flooding water as recited in claim 1, wherein: two limiting sliding grooves are formed in the inner wall of the filter body, two limiting sliding blocks are arranged on the scraping ring and are connected with the limiting sliding grooves in a sliding mode.

5. The fine filter for oilfield flooding according to claim 1, wherein the fine filter comprises: the filter cover is provided with a water through hole, and the top of the water through hole is provided with a filter screen.

6. The fine filter for oilfield flooding according to claim 1, wherein the fine filter comprises: the throttling disc is made of high-transparency glass materials, and activated carbon particles are filled in the filtering holes.