Produced water biochemical treatment device with heat exchange assembly

Abstract

The utility model relates to the field of oil fields, in particular to a produced water biochemical treatment device with a heat exchange component, which comprises a treatment box used for biochemical treatment of produced water; the heat exchange mechanism is mounted on one side of the treatment box and is used for controlling the temperature of the produced water; and the stirring bin is arranged in the treatment box. According to the produced water biochemical treatment device with the heat exchange assembly disclosed by the utility model, the driving motor, the transmission rod, the fixed block, the connecting block, the limiting groove, the limiting mechanism, the frame, the movable shaft and the filter plate are arranged, so that impurities and precipitates in produced water can be preliminarily filtered, and subsequent oxidation aeration is facilitated; a driving motor drives a transmission rod and an external frame to rotate, and a movable shaft and a filter plate which are arranged in the frame drive the filter plate to rotate by utilizing centrifugal force of rotation of the frame, so that precipitates and impurities in produced water are filtered, and the impurities are left on the filter plate; the direct removal of organic matters and sediments through oxidation aeration is avoided.

Description

Technical Field

[0001] The utility model relates to the field of oil fields, in particular to a produced water biochemical treatment device with a heat exchange component. Background Art

[0002] An oil field refers to a specific area where crude oil is produced. It is a gathering place where naturally occurring hydrocarbons in the ground are in liquid form under surface conditions. During the oil field exploitation process, a large amount of water is mixed in the crude oil. After the water is treated and separated, oil field produced water is formed. Since this type of water contains a large amount of harmful substances, it is often necessary to use a biochemical treatment device to purify the oil field produced water after its separation.

[0003] Most of the existing effluent biochemical treatment devices decompose organic matter and impurities in produced water by means of precipitation and oxidation. However, simply relying on precipitation and oxidation to remove organic matter and impurities in produced water cannot quickly remove impurities in produced water, thereby reducing the purification treatment efficiency, and the removal effect is not good.

[0004] Therefore, it is necessary to invent a produced water biochemical treatment device with a heat exchange component to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a produced water biochemical treatment device with a heat exchange component, which drives a transmission rod and an external frame to rotate through a driving motor, and a movable shaft and a filter plate arranged inside the frame use the centrifugal force of the frame rotation to drive the filter plate itself to rotate, thereby filtering sediment and impurities in the produced water, so that the impurities remain on the filter plate, avoiding direct removal of organic matter and sediment by oxidation aeration, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a produced water biochemical treatment device with a heat exchange component, comprising a treatment box for producing water biochemical treatment;

[0007] The heat exchange mechanism is installed on one side of the treatment tank and is used for producing water temperature control;

[0008] A stirring bin is arranged inside the treatment box and is used for stirring and filtering produced water. A driving motor is fixedly arranged above the treatment box, a transmission rod is fixedly installed at the lower end of the driving motor, a fixed block is fixedly installed outside the transmission rod, a connecting block is installed inside the fixed block, and limiting grooves are provided on the upper and lower surfaces of the connecting block. A frame is fixedly installed on one side of the connecting block, movable shafts are arranged on both sides of the frame, and a filter plate is fixedly installed on one side of the movable shaft. A limiting mechanism is arranged between the fixed block and the connecting block, and the limiting mechanism is used for limiting the installation frame;

[0009] An activated carbon plate is installed inside the treatment box and is used to filter impurities. An inclined plate is provided at the lower part of the treatment box. An oxidizing aeration biological pool is provided on one side of the treatment box for aeration and oxidation. An aeration pump is provided on the upper side of the treatment box. A connecting pipe is fixedly connected to the output end of the aeration pump. An aeration head is provided on the outside of the connecting pipe. A drainage pipe is provided at the bottom of the other side of the treatment box.

[0010] Preferably, the heat exchange mechanism includes a plate heat exchanger, a cold medium inlet pipe, a cold medium outlet pipe, an oil field inlet pipe, and an oil field drain pipe. The plate heat exchanger is installed on one side of the processing box, and a cold medium inlet pipe and a cold medium outlet pipe are opened on one side of the plate heat exchanger. The oil field inlet pipe and an oil field drain pipe are opened on one side of the plate heat exchanger.

[0011] Preferably, the limiting mechanism comprises a telescopic rod, a limiting rod and a spring. The telescopic rod is movably mounted on the upper and lower sides of the fixed block. The limiting rod is fixedly mounted on the lower end of the telescopic rod. Springs are arranged above the limiting rod and outside the telescopic rod.

[0012] Preferably, the filter plates are rotatably connected to the frame via a movable shaft, and the frame is provided with four groups, each of which is provided with a filter plate.

[0013] Preferably, a delivery pipe is installed inside the mixing bin, one end of the delivery pipe is fixedly connected to a water pump, the other end of the water pump is fixedly connected to a discharge hood, and the discharge hood is arranged inside the processing box.

[0014] Preferably, two groups of the activated carbon plates are provided, and sliders are fixedly installed on both sides of the two groups of the activated carbon plates, and the activated carbon plates are movably connected to the processing box.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. Through the arrangement of the driving motor, the transmission rod, the fixed block, the connecting block, the limit groove, the limit mechanism, the frame, the movable shaft and the filter plate, the impurities and sediments in the produced water can be initially filtered, so as to facilitate the subsequent oxidation aeration. The driving motor drives the transmission rod and the external frame to rotate, and the movable shaft and the filter plate arranged inside the frame use the centrifugal force of the frame rotation to drive the filter plate to rotate itself, so as to filter the sediments and impurities in the produced water, so that the impurities remain on the filter plate, and avoid the direct removal of organic matter and sediments by oxidation aeration;

[0017] 2. Through the setting of the treatment box and the heat exchange mechanism, the produced water may contain various minerals and impurities, which are easy to form scale at high temperature. The heat exchange mechanism can adjust the water temperature to a reasonable range in time to avoid scaling caused by high temperature, thereby protecting the treatment equipment from damage. The produced water is introduced into the plate heat exchanger through the oil field inlet pipe, and the cold water is introduced into the plate heat exchanger from the cold medium inlet pipe. The temperature of the produced water is controlled by heat and cold exchange, and finally discharged from the oil field discharge pipe into the treatment box for treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the first plastic film structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the first air permeable layer of the utility model;

[0022] Figure 4 This is a schematic diagram of the main structure of the non-woven fabric of the utility model;

[0023] Figure 5 This is a schematic diagram of the main structure of the non-woven fabric of the utility model;

[0024] Figure 6 This is a schematic diagram of the non-woven fabric main structure of the utility model.

[0025] Description of reference numerals:

[0026] 1. Treatment box; 2. Heat exchange mechanism; 201. Plate heat exchanger; 202. Cold medium water inlet pipe; 203. Cold medium water outlet pipe; 204. Oil field inlet pipe; 205. Oil field drainage pipe; 3. Mixing bin; 4. Driving motor; 5. Transmission rod; 6. Fixed block; 7. Connecting block; 8. Limiting groove; 9. Limiting mechanism; 901. Telescopic rod; 902. Limiting rod; 903. Spring; 10. Frame; 11. Movable shaft; 12. Filter plate; 13. Delivery pipe; 14. Water pump; 15. Discharge hood; 16. Activated carbon plate; 17. Sliding block; 18. Inclined plate; 19. Oxidation aeration biological pool; 20. Aeration pump; 21. Connecting pipe; 22. Aeration head; 23. Drain pipe. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model provides Figure 1-6 A produced water biochemical treatment device with a heat exchange component is shown, comprising a treatment box 1 for producing water biochemical treatment;

[0029] The heat exchange mechanism 2 is installed on one side of the processing box 1 and is used for producing water temperature control;

[0030] A stirring bin 3 is arranged inside the treatment box 1 and is used for stirring and filtering the produced water. A driving motor 4 is fixedly arranged above the treatment box 1, and a transmission rod 5 is fixedly installed at the lower end of the driving motor 4. A fixing block 6 is fixedly installed outside the transmission rod 5, and a connecting block 7 is installed inside the fixing block 6. Limiting grooves 8 are provided on the upper and lower surfaces of the connecting block 7. A frame 10 is fixedly installed on one side of the connecting block 7. Both sides of the interior of the frame 10 are provided with movable shafts 11. A filter plate 12 is fixedly installed on one side of the movable shaft 11. A limiting mechanism 9 is provided between the fixing block 6 and the connecting block 7, and the limiting mechanism 9 is used for limiting the installation frame 10;

[0031] An activated carbon plate 16 is installed inside the treatment box 1 for filtering impurities. An inclined plate 18 is provided at the lower part of the treatment box 1. An oxidizing aeration biological pool 19 is provided on one side of the treatment box 1 for aeration and oxidation. An aeration pump 20 is provided on the upper side of the treatment box 1. A connecting pipe 21 is fixedly connected to the output end of the aeration pump 20. An aeration head 22 is provided on the outside of the connecting pipe 21. A drainage pipe 23 is provided at the bottom of the other side of the treatment box 1. The driving motor 4 drives the transmission rod 5 and the external frame 10 to rotate, and the movable shaft 11 and the filter plate 12 provided inside the frame 10 use the centrifugal force of the rotation of the frame 10 to drive the filter plate 12 to rotate itself, thereby filtering the sediment and impurities in the produced water, so that the impurities remain on the filter plate 12, and avoid directly removing organic matter and sediment through oxidizing aeration.

[0032] like Figure 1 and Figure 2As shown, the heat exchange mechanism 2 includes a plate heat exchanger 201, a cold medium water inlet pipe 202, a cold medium water outlet pipe 203, an oil field inlet pipe 204, and an oil field discharge pipe 205. The plate heat exchanger 201 is installed on one side of the processing box 1. A cold medium water inlet pipe 202 and a cold medium water outlet pipe 203 are opened on one side of the plate heat exchanger 201. An oil field inlet pipe 204 and an oil field discharge pipe 205 are opened on one side of the plate heat exchanger 201. The heat exchange mechanism 2 can timely adjust the water temperature to a reasonable range to avoid scaling problems caused by high temperature, thereby protecting the processing equipment from damage. The produced water is introduced into the oil field inlet pipe 204 and enters the plate heat exchanger 201. At the same time, cold water is introduced from the cold medium water inlet pipe 202 into the plate heat exchanger 201. The temperature of the produced water is controlled by heat and cold exchange, and finally the produced water is discharged from the oil field discharge pipe 205 and enters the processing box 1 for treatment.

[0033] like Figure 4 and Figure 5 As shown, the limiting mechanism 9 includes a telescopic rod 901, a limiting rod 902, and a spring 903. The telescopic rod 901 is movably installed on the upper and lower sides of the fixed block 6. The limiting rod 902 is fixedly installed at the lower end of the telescopic rod 901. A spring 903 is arranged above the limiting rod 902 and outside the telescopic rod 901. By pulling the telescopic rod 901 to drive the limiting rod 902 to extend and retract, the frame 10 can be disassembled from the fixed block 6 on the transmission rod 5, thereby facilitating the cleaning of the filter plate 12 in the frame 10.

[0034] like Figure 3 , Figure 4 and Figure 5 As shown, the filter plate 12 is rotatably connected to the frame 10 via a movable shaft 11. The frame 10 is provided with four groups, and each of the four groups of frames 10 is provided with a filter plate 12. Through the arrangement of multiple frames 10 and the internal filter plates 12, the sediment in the produced water can be filtered during the rotation process.

[0035] like Figure 1 and Figure 3 As shown, a delivery pipe 13 is installed inside the mixing chamber 3, one end of the delivery pipe 13 is fixedly connected to a water pump 14, and the other end of the water pump 14 is fixedly connected to a discharge hood 15. The discharge hood 15 is arranged inside the treatment box 1. The water pump 14 is used to conveniently extract the water inside the mixing chamber 3 and deliver it to the activated carbon plate 16, so as to filter the produced water again.

[0036] like Figure 1 and Figure 3 As shown, two groups of activated carbon plates 16 are provided, and sliders 17 are fixedly installed on both sides of the two groups of activated carbon plates 16. The activated carbon plates 16 are movably connected to the processing box 1. Through the setting of the activated carbon plates 16, the produced water can be adsorbed and filtered to further improve the water quality.

[0037] The working principle of the utility model is as follows: firstly, the external power supply is turned on, and then the cold medium water inlet pipe 202 and the cold medium water outlet pipe 203 on one side of the plate heat exchanger 201 are connected to the equipment providing cold water, and then the produced water is introduced into the oil field inlet pipe 204 and enters the plate heat exchanger 201, and at the same time, the cold water enters the plate heat exchanger 201 from the cold medium water inlet pipe 202, and the temperature of the produced water is controlled by the cold and heat exchange, and then the produced water after cooling is discharged from the oil field discharge pipe 205 and enters the mixing bin 3 in the treatment box 1, and then the flocculant is added, and then the drive motor 4 switch is turned on to drive the transmission rod 5 and the multiple external frames 10 and the filter plate 12 to rotate, and the movable shaft 11 and the filter plate 12 arranged inside the frame 10 use the centrifugal force of the rotation of the frame 10 to drive the filter plate 12 to rotate itself, thereby filtering the sediment and impurities in the produced water, so that the impurities remain on the filter plate 12, when the produced water after preliminary filtration is turned off The drive motor 4 switch is closed, and then the water pump 14 switch is opened. The produced water in the mixing chamber 3 is sucked and transported to the discharge cover 15 through the delivery pipe 13 for spraying. After being sprayed, it falls on the activated carbon plate 16. The activated carbon plate 16 plays a role of filtering and adsorption, further improving the water quality. Then the filtered produced water flows into the oxidizing aeration biological pool 19 through the inclined plate 18. At this time, a certain amount of oxidant is first added to use the oxygen in the air to decompose the organic matter in the produced water and reduce its chemical oxygen demand. Then, the aeration pump 20 switch is opened to discharge the gas from the connecting pipe 21 and the aeration head 22 for aeration. Through the aeration effect, the decomposition and mineralization of organic matter, nitrogen, phosphorus and other pollutants in the oil field produced water by microorganisms are promoted. Finally, after the decomposition is completed, the aeration pump 20 switch is closed, and then the valve outside the drain pipe 23 is opened to discharge the treated produced water. In this way, the use process of the produced water biochemical treatment device with a heat exchange component is completed.

[0038] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A produced water biochemical treatment device having a heat exchange component, characterized in that: It comprises a treatment box (1) for biochemical treatment of produced water; A heat exchange mechanism (2) is installed on one side of the processing box (1) and is used to control the temperature of produced water; A stirring chamber (3) is arranged inside the treatment box (1) and is used for stirring and filtering produced water. A driving motor (4) is fixedly arranged above the treatment box (1). A transmission rod (5) is fixedly installed at the lower end of the driving motor (4). A fixing block (6) is fixedly installed outside the transmission rod (5). A connecting block (7) is installed inside the fixing block (6). Limiting grooves (8) are provided on the upper and lower surfaces of the connecting block (7). A frame (10) is fixedly installed on one side of the connecting block (7). Both sides of the frame (10) are provided with movable shafts (11). A filter plate (12) is fixedly installed on one side of the movable shaft (11). A limiting mechanism (9) is provided between the fixing block (6) and the connecting block (7). The limiting mechanism (9) is used for limiting the installation of the frame (10). An activated carbon plate (16) is installed inside the treatment box (1) and is used to filter impurities. An inclined plate (18) is provided at the lower part of the treatment box (1). An oxidation aeration biological pool (19) is provided on one side of the treatment box (1) and is used for aeration and oxidation. An aeration pump (20) is provided on one side above the treatment box (1). A connecting pipe (21) is fixedly connected to the output end of the aeration pump (20). An aeration head (22) is provided on the outside of the connecting pipe (21). A drainage pipe (23) is provided at the bottom of the other side of the treatment box (1).

2. A produced water biochemical treatment device with a heat exchange component according to claim 1, characterized in that: The heat exchange mechanism (2) comprises a plate heat exchanger (201), a cold medium water inlet pipe (202), a cold medium water outlet pipe (203), an oil field inlet pipe (204), and an oil field discharge pipe (205); the plate heat exchanger (201) is installed on one side of the treatment box (1); a cold medium water inlet pipe (202) and a cold medium water outlet pipe (203) are provided on one side of the plate heat exchanger (201); and an oil field inlet pipe (204) and an oil field discharge pipe (205) are provided on one side of the plate heat exchanger (201).

3. A produced water biochemical treatment device with a heat exchange component according to claim 1, characterized in that: The limiting mechanism (9) comprises a telescopic rod (901), a limiting rod (902), and a spring (903); the telescopic rod (901) is movably mounted on the upper and lower sides of a fixed block (6); the limiting rod (902) is fixedly mounted on the lower end of the telescopic rod (901); and a spring (903) is arranged above the limiting rod (902) and outside the telescopic rod (901).

4. The produced water biochemical treatment device with a heat exchange component according to claim 1, characterized in that: The filter plate (12) is rotatably connected to the frame (10) via a movable shaft (11); the frame (10) is provided with four groups, and a filter plate (12) is provided inside each of the four groups of frames (10).

5. The produced water biochemical treatment device with a heat exchange component according to claim 1, characterized in that: A delivery pipe (13) is installed inside the mixing chamber (3); one end of the delivery pipe (13) is fixedly connected to a water pump (14); the other end of the water pump (14) is fixedly connected to an exhaust hood (15); and the exhaust hood (15) is arranged inside the processing box (1).

6. The produced water biochemical treatment device with a heat exchange component according to claim 1, characterized in that: Two groups of the activated carbon plates (16) are provided, and sliders (17) are fixedly installed on both sides of the two groups of the activated carbon plates (16). The activated carbon plates (16) are movably connected to the processing box (1).

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