Sewage treatment equipment for oil field industry

Abstract

The utility model relates to the field of sewage treatment, in particular to oil field industrial sewage treatment equipment which comprises a bottom table and a fixing cavity, the fixing cavity is installed on the upper end face of the bottom table, an end cover is installed on the upper end face of the fixing cavity, a main shaft is arranged at the bottom in the fixing cavity, a lower filter screen is installed on the outer side wall of the main shaft, and a plurality of stirring rods are arranged above the lower filter screen. A sleeve is installed on the outer side wall of the main shaft through a fixing bolt, an adjusting motor is installed on the upper end face of the sleeve, a water inlet is formed in the outer side wall of the fixing cavity, and a liquid inlet is formed in the upper end face of the end cover. According to the utility model, a multi-filter screen structure is adopted, so that the impurity removal effect on sewage is ensured, and a first spring structure is adopted, so that the upper filter screen shakes, and the blockage of meshes caused by overlarge volume of impurities on the upper filter screen is avoided.

Description

Technical Field

[0001] The utility model relates to the field of sewage treatment, in particular to an equipment for treating industrial sewage in oil fields. Background Art

[0002] Oilfield wastewater treatment is to use various methods to remove harmful substances in wastewater or reduce them to a standard level so that the wastewater can be used. The commonly used wastewater treatment methods in oil fields at home and abroad can be roughly divided into three categories: physical method, chemical method and biological method. Among them, the chemical method is to inject wastewater into a chemical reaction tank, and then inject chemical agents into the chemical reaction tank to mix with the wastewater to produce a chemical reaction to achieve the purpose of treating wastewater.

[0003] A Chinese patent discloses an oilfield wastewater treatment device (authorization announcement number CN 214218287 U). The patented technology can solve the problem that the stirring device in the chemical reaction tank used for oilfield wastewater treatment in the prior art is only a stirring shaft with a plurality of stirring blades installed, which can easily lead to incomplete stirring and uneven mixing of sewage and chemical agents, thereby making the chemical reaction incomplete and affecting the sewage treatment effect.

[0004] However, the existing sewage filtration adopts a single filter screen filtration structure, which leads to poor filtration effect, and the filter screen is easy to be clogged after long-term use, and it is difficult to remove and clean it. Summary of the invention

[0005] In order to solve the above technical problems, the utility model provides an oilfield industrial wastewater treatment equipment, including a base and a fixed cavity, the upper end surface of the base is equipped with the fixed cavity, the upper end surface of the fixed cavity is equipped with an end cover, the bottom of the fixed cavity is arranged with a main shaft, the outer wall of the main shaft is equipped with a lower filter screen, a plurality of stirring rods are arranged above the lower filter screen, an upper filter screen is arranged above the stirring rods, the upper filter screen is a funnel-shaped structure, the mesh diameter of the upper filter screen is larger than the mesh diameter of the lower filter screen, a sleeve is installed on the outer wall of the main shaft through a fixing bolt, an adjusting motor is installed on the upper end surface of the sleeve, a water inlet is installed on the outer wall of the fixed cavity, and a liquid inlet is installed on the upper end surface of the end cover.

[0006] Preferably: the outer side wall of the main shaft is symmetrically provided with fixing grooves, a first spring is installed at the bottom of the fixing groove, a first slider is installed on the upper end surface of the first spring, a ring sleeve is installed on the outer side wall of the first slider, and an upper filter is installed on the outer side wall of the ring sleeve.

[0007] Preferably: a through opening is provided on the upper end surface of the end cover, and a cover plate is installed in the through opening by means of a snap-fitting manner.

[0008] Preferably: an L-shaped plate is fixedly installed on the upper end surface of the end cover, a placement groove is opened at the outer end of the L-shaped plate, a second spring is installed at the inner end of the placement groove, a movable plate is installed at the other end of the second spring, an annular frame is installed on the outer wall of the end cover, a fixed seat is installed on the upper end surface of the annular frame, and the fixed seat is connected to the base through the fixed frame.

[0009] Preferably: an electric slider is installed on the upper end surface of the fixing seat, and an L-shaped frame is installed on the upper end surface of the electric slider via a connecting seat.

[0010] Preferably: a control panel is installed on the right end surface of the fixing frame, and the control panel is electrically connected to the adjusting motor.

[0011] Technical effects and advantages of the utility model:

[0012] 1. The utility model adopts a multiple filter screen structure to ensure the impurity removal effect on sewage, and adopts a first spring structure to make the upper filter screen vibrate to avoid the impurities on the upper filter screen being too large to block the mesh.

[0013] 2. The utility model adopts an L-shaped plate and an electric slider structure, so that the end cover can be removed, which is convenient for taking out the upper filter and the lower filter for cleaning, and avoiding poor filtering effect caused by mesh clogging due to long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front view of the structure of an oilfield industrial wastewater treatment equipment provided by an embodiment of the present application;

[0015] Figure 2 This is a top view of the structure of an oilfield industrial wastewater treatment device provided in an embodiment of the present application;

[0016] Figure 3 This is a right view of the structure of an oilfield industrial wastewater treatment device provided in an embodiment of the present application;

[0017] Figure 4 It is a sectional front view of an oilfield industrial wastewater treatment equipment provided by an embodiment of the present application;

[0018] Figure 5 It is a cross-sectional top view of an oilfield industrial wastewater treatment device provided in an embodiment of the present application;

[0019] In the figure: 1. base; 2. fixed chamber; 11. end cover; 12. main shaft; 13. lower filter; 14. stirring rod; 15. upper filter; 16. adjusting motor; 17. fixing bolt; 18. first spring; 19. cover plate; 21. L-shaped plate; 22. second spring; 23. movable plate; 24. fixed seat; 25. electric slider; 26. L-shaped frame; 27. control panel. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The invention of the present invention is given for the purpose of illustration and description, and is not intended to be exhaustive or to limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The invention is selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various inventions with various modifications suitable for specific purposes.

[0021] See also Figures 1 to 5 In this embodiment, an oilfield industrial wastewater treatment device is provided, which includes a base 1 and a fixed chamber 2. The upper end surface of the base 1 is provided with the fixed chamber 2, and the upper end surface of the fixed chamber 2 is provided with an end cover 11. A main shaft 12 is arranged at the bottom of the fixed chamber 2, and a lower filter screen 13 is installed on the outer wall of the main shaft 12. A plurality of stirring rods 14 are arranged above the lower filter screen 13, and an upper filter screen 15 is arranged above the stirring rod 14. The upper filter screen 15 is a funnel-shaped structure, and the mesh diameter of the upper filter screen 15 is larger than the mesh diameter of the lower filter screen 13. A sleeve is installed on the outer wall of the main shaft 12 through a fixing bolt 17. An adjusting motor 16 is installed on the upper end surface of the sleeve, a water inlet is installed on the outer side wall of the fixed cavity 2, and a liquid inlet is installed on the upper end surface of the end cover 11. During operation, sewage enters the fixed cavity 2 through the water inlet, and the upper filter screen 15 filters large particles of impurities in the sewage. Sewage and small particles of impurities enter under the upper filter screen 15, and liquid medicine is poured in through the liquid inlet. The adjusting motor 16 is started, driving the main shaft 12 to rotate, and the stirring rod 14 rotates, so that the liquid medicine and sewage are evenly mixed, and the sediment falls into the upper end of the lower filter screen 13. A variety of filter screen structures are used to ensure the impurity removal effect on sewage.

[0022] The outer wall of the main shaft 12 is symmetrically provided with fixed grooves, a first spring 18 is installed at the bottom of the fixed groove, a first slider is installed on the upper end surface of the first spring 18, a ring sleeve is installed on the outer wall of the first slider, and an upper filter screen 15 is installed on the outer wall of the ring sleeve. During operation, when sewage enters the upper filter screen 15, the first spring 18 drives the upper filter screen 15 to move up and down, causing foreign particles to roll, thereby preventing the upper filter screen 15 from being blocked and affecting the drainage effect.

[0023] The upper end surface of the end cover 11 is provided with a through opening, in which a cover plate 19 is mounted by snap-fitting. During operation, the through opening structure is adopted, and the fixing bolts 17 can be disassembled manually through the through opening.

[0024] An L-shaped plate 21 is fixedly installed on the upper end surface of the end cover 11, a placement groove is opened at the outer end of the L-shaped plate 21, a second spring 22 is installed at the inner end of the placement groove, and a movable plate 23 is installed at the other end of the second spring 22. An annular frame is installed on the outer wall of the end cover 11, and a fixed seat 24 is installed on the upper end surface of the annular frame. The fixed seat 24 is connected to the base 1 through the fixed frame. During operation, after the fixing bolts 17 are removed, the end cover 11 is moved upward by pulling the L-shaped plate 21, and the first spring 18 drives the movable plate 23 to move outward, so that the movable plate 23 moves to the upper end of the fixed seat 24.

[0025] An electric slider 25 is installed on the upper end surface of the fixed seat 24, and an L-shaped frame 26 is installed on the upper end surface of the electric slider 25 through a connecting seat. When working, the electric slider 25 is a linear guide slider structure, and the motor drives the lead screw to rotate to control the linear movement of the device. The L-shaped plate 21 moves up to make the movable plate 23 move to the L-shaped frame 26. The electric slider 25 starts and drives the end cover 11 to move backward, so as to facilitate the removal of the main shaft 12 to clean the upper filter 15 and the lower filter 13.

[0026] A control panel 27 is installed on the right end surface of the fixing frame. The control panel 27 is electrically connected to the adjusting motor 16. When working, a PLC program is written in the control panel 27 to control the operation of each device and drive the adjusting motor 16 to start through the control panel 27.

[0027] During specific operation, sewage enters the fixed cavity 2 through the water inlet, the upper filter screen 15 filters the large particles of impurities in the sewage, and the sewage and small particles of impurities enter the lower part of the upper filter screen 15. The medicine solution is poured in through the liquid inlet, and the regulating motor 16 is started to drive the main shaft 12 to rotate, and the stirring rod 14 rotates, so that the medicine solution and sewage are evenly mixed, and the sediment falls into the upper end of the lower filter screen 13. A variety of filter screen structures are used to ensure the impurity removal effect of sewage.

[0028] Obviously, the invention described is only a part of the invention of the utility model, not the whole invention. Based on the invention in the utility model, all other inventions obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the utility model. The structures, devices and operating methods not specifically described and explained in the utility model shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims

1. An oilfield industrial wastewater treatment device, comprising a base (1) and a fixed chamber (2), characterized in that: The upper end surface of the base (1) is provided with a fixed cavity (2), the upper end surface of the fixed cavity (2) is provided with an end cover (11), the inner bottom of the fixed cavity (2) is provided with a main shaft (12), the outer side wall of the main shaft (12) is provided with a lower filter screen (13), a plurality of stirring rods (14) are provided above the lower filter screen (13), an upper filter screen (15) is provided above the stirring rods (14), the upper filter screen (15) is a funnel-shaped structure, the mesh diameter of the upper filter screen (15) is larger than the mesh diameter of the lower filter screen (13), a sleeve is provided on the outer side wall of the main shaft (12) via a fixing bolt (17), an adjusting motor (16) is provided on the upper end surface of the sleeve, a water inlet is provided on the outer side wall of the fixed cavity (2), and a liquid inlet is provided on the upper end surface of the end cover (11).

2. The oilfield industrial wastewater treatment equipment according to claim 1 is characterized in that The outer wall of the main shaft (12) is symmetrically provided with a fixing groove, a first spring (18) is installed at the bottom of the fixing groove, a first slider is installed on the upper end surface of the first spring (18), a ring sleeve is installed on the outer wall of the first slider, and an upper filter screen (15) is installed on the outer wall of the ring sleeve.

3. The oilfield industrial wastewater treatment equipment according to claim 1 is characterized in that: The upper end surface of the end cover (11) is provided with a through opening, and a cover plate (19) is installed in the through opening by means of a snap connection.

4. The oilfield industrial wastewater treatment equipment according to claim 1, characterized in that: An L-shaped plate (21) is fixedly mounted on the upper end surface of the end cover (11), a placement groove is provided on the outer end of the L-shaped plate (21), a second spring (22) is mounted on the inner end of the placement groove, a movable plate (23) is mounted on the other end of the second spring (22), an annular frame is mounted on the outer wall of the end cover (11), a fixing seat (24) is mounted on the upper end surface of the annular frame, and the fixing seat (24) is connected to the base (1) via the fixing frame.

5. The oilfield industrial wastewater treatment equipment according to claim 4, characterized in that: An electric slider (25) is installed on the upper end surface of the fixing seat (24), and an L-shaped frame (26) is installed on the upper end surface of the electric slider (25) via a connecting seat.

6. The oilfield industrial wastewater treatment equipment according to claim 4 is characterized in that: A control panel (27) is installed on the right end surface of the fixing frame, and the control panel (27) is electrically connected to the regulating motor (16).

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