Paraffin control device

Abstract

The utility model provides a paraffin control device, which relates to the technical field of oil transportation and comprises an electromagnetic paraffin control device body, a protective shell, a winding type temperature adjusting structure, a temperature conduction structure layer and a heat preservation structure layer. When the device is used and the environment temperature is high, cold water is introduced into the winding type temperature adjusting structure for cooling; when the environment temperature is low, hot water is introduced into the winding type temperature adjusting structure for temperature rise, the working temperature of the electromagnetic paraffin control device body is controlled through the introduction time and temperature of cold water or hot water, and whether the working temperature of the electromagnetic paraffin control device body is within a proper range or not is determined in cooperation with detection of an external temperature device. The influence of the external environment on the electromagnetic paraffin control device body is reduced through the arrangement of the heat preservation structure layer, meanwhile, the heat preservation structure layer is matched with the temperature conduction structure layer to improve the temperature adjustment efficiency of the winding type temperature adjustment structure, temperature adjustment is conducted on the electromagnetic paraffin control device body in time, and wax crystals can be well separated out from the electromagnetic paraffin control device body at the proper temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of petroleum transportation, in particular to a wax preventer. Background Art

[0002] Because the downhole environment of the oil well and the components of the produced fluid contain wax, wax is formed in the oil pipe and the oil pipeline. In the related art, an electromagnetic wax preventer is disclosed, which includes a controller, an electromagnetic converter, and a central tube. The electromagnetic converter is located between the oil outlet pipeline and the oil pipeline. The two ends of the central tube are respectively connected to the oil outlet pipeline and the oil pipeline. The electromagnetic converter is sleeved on the central tube, and the controller controls the electromagnetic converter.

[0003] Electromagnetic wax preventers are generally used outdoors and are easily affected by the external ambient temperature. Electromagnetic wax preventers can precipitate wax crystals better at a certain temperature. Beyond this temperature range, too high or too low temperatures will affect the precipitation effect of wax crystals. Utility Model Content

[0004] The utility model aims to provide a wax preventer, which has the advantages of reducing the influence of the external environment on the electromagnetic wax preventer body and being able to independently adjust the temperature control, thereby solving the technical problem that the electromagnetic wax preventer is affected by the external environment temperature and its wax crystal precipitation effect is affected.

[0005] The utility model provides a wax preventer, comprising:

[0006] The electromagnetic wax preventer body has a protective shell sleeved on the middle of its outer wall;

[0007] The middle part of the outer wall of the electromagnetic wax preventer body is wrapped with a winding temperature regulating structure and a thermal conductive structure layer, and the middle part of the winding temperature regulating structure is located in the thermal conductive structure layer;

[0008] The input and output ends of the winding temperature regulating structure extend out of the protective housing;

[0009] The outer wall of the winding temperature regulating structure is wrapped with a heat-insulating structure layer, and the heat-insulating structure layer is located inside the protective shell;

[0010] Cold water or hot water is introduced into the winding temperature regulating structure.

[0011] As a further optimization scheme, in order to cool or heat the middle part of the electromagnetic wax preventer body, offset the influence of the external temperature, and ensure that the electromagnetic wax preventer works at a suitable temperature, the winding temperature regulating structure includes:

[0012] A flexible pipe is spirally wound around the middle of the electromagnetic wax preventer body;

[0013] The flexible pipe is located in the thermal conductive structure layer;

[0014] A water inlet pipe, which is the input end of the winding temperature regulating structure, and the water inlet pipe is fixedly connected to one end of the flexible pipe;

[0015] The drain pipe is the output end of the winding temperature regulating structure, and the drain pipe is fixedly connected to the other end of the flexible pipe.

[0016] As a further optimization solution, in order to facilitate the control of opening or closing of the water inlet pipe and the drain pipe, valves are fixedly installed on the water inlet pipe and the drain pipe.

[0017] As a further optimization scheme, in order to insulate the winding temperature regulating structure to achieve a better temperature effect and reduce the influence of the external ambient temperature on the electromagnetic wax preventer body, the insulation structure layer includes:

[0018] The heat-insulating outer layer is sleeved on the middle part of the outer wall of the winding temperature regulating structure;

[0019] The gap between the inner wall of the heat-insulating outer layer and the winding temperature regulating structure is filled with polyurethane foam material.

[0020] As a further optimization scheme, in order to enhance the conduction of temperature on the winding temperature regulating structure so that high temperature or low temperature can better act on the middle part of the electromagnetic wax preventer body, the thermal conductive structure layer includes:

[0021] A heat-conducting metal layer is sleeved on the middle part of the outer wall of the electromagnetic wax preventer body;

[0022] The outer wall of the heat-conducting metal layer is provided with a spiral groove corresponding to the spirally distributed flexible pipe, and the flexible pipe is inserted into the spiral groove.

[0023] As a further optimization solution, in order to facilitate the disassembly and installation of the upper half shell and the lower half shell, the protective housing includes:

[0024] an upper half shell and a lower half shell;

[0025] The upper half shell and the lower half shell are spliced ​​into a complete cavity shell;

[0026] The front and rear sides of the fitting edges of the upper half shell and the lower half shell are both equipped with connecting and fixing structures.

[0027] As a further optimization scheme, in order to facilitate the disassembly and installation of the upper half shell and the lower half shell, the upper half shell and the lower half shell are convenient to dismantle after being split, and the maintenance of their internal structure is convenient. The connection and fixing structure includes:

[0028] There are two connecting ear plates, which are respectively integrally formed on the fitting edges of the upper half shell and the lower half shell;

[0029] Bolts and nuts are fixedly connected between the upper and lower connecting ear plates.

[0030] As a further optimization solution, in order to clamp and position the protective shell, elastic clamping parts are symmetrically fixedly sleeved on the left and right sides of the electromagnetic wax preventer body, and the movable ends of the elastic clamping parts are against the same side of the outer wall of the protective shell.

[0031] As a further optimization solution, in order to clamp and position the protective housing and facilitate the release of the positioning effect, the elastic clamping member includes:

[0032] The first ring body is fixedly sleeved on the outer wall of the electromagnetic wax preventer body;

[0033] One end of a spring is fixedly connected to the outer wall of the first ring body close to the protective shell, and the spring is sleeved on the outer wall of the electromagnetic wax preventer body;

[0034] The other end of the spring is fixedly equipped with a second ring body, and the second ring body is the movable end of the elastic clamping piece.

[0035] As a further optimization solution, in order to prevent the protective shell from rotating when the protective shell is clamped and positioned, a limited position clamping structure is assembled between the outer wall of the second ring body close to the protective shell and the same side of the outer wall of the protective shell, which includes:

[0036] A card slot is formed evenly around the outer wall edge of the protective shell;

[0037] A card block is fixedly connected to a corresponding card slot on the outer wall of the second ring body close to the edge of one side of the protective shell;

[0038] The card block is connected to the corresponding card slot.

[0039] The utility model provides a wax preventer through improvement, which has the following improvements and advantages compared with the prior art:

[0040] When the device is in use, when the ambient temperature is high, cold water is passed into the wrapped temperature regulating structure to cool it down; when the ambient temperature is low, hot water is passed into the wrapped temperature regulating structure to heat it up. The working temperature of the electromagnetic wax preventer body is controlled by the time and temperature of the cold water or hot water passed, and the detection of an external thermometer is used to determine whether the working temperature of the electromagnetic wax preventer body is within a suitable range. The setting of the thermal insulation structure layer reduces the influence of the external environment on the electromagnetic wax preventer body. At the same time, the thermal insulation structure layer cooperates with the heat conducting structure layer to improve the temperature regulation efficiency of the wrapped temperature regulating structure, and the temperature of the electromagnetic wax preventer body is timely adjusted, so that the electromagnetic wax preventer body can better precipitate wax crystals at a suitable temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0042] Figure 1 It is a schematic diagram of the structure of the utility model;

[0043] Figure 2 It is a partial structural schematic diagram of the utility model;

[0044] Figure 3 It is a schematic cross-sectional view of the structure of the winding temperature regulating structure of the utility model;

[0045] Figure 4 For this utility model Figure 3 The enlarged structural diagram at B in the middle;

[0046] Figure 5 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0047] Description of reference numerals:

[0048] 1-electromagnetic wax preventer body, 2-protective shell, 21-upper half shell, 22-lower half shell, 23-connecting and fixing structure, 231-connecting ear plate, 232-bolts, nuts, 3-elastic clamping parts, 31-first ring body, 32-spring, 33-second ring body, 4-winding temperature regulating structure, 41-flexible pipe, 42-water inlet pipe, 43-drain pipe, 44-valve, 5-thermal insulation structure layer, 51-thermal insulation outer layer, 52-polyurethane foam material, 6-thermal conduction structure layer, 61-thermal conductive metal layer, 62-spiral groove, 7-limiting clamping structure, 71-card slot, 72-card block. DETAILED DESCRIPTION

[0049] The technical solution of the utility model will be clearly and completely described below in conjunction with the embodiments. 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.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0051] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0052] See also Figure 1-5 The utility model provides a technical solution: a wax preventer, comprising:

[0053] The electromagnetic wax preventer body 1 has a protective shell 2 sleeved in the middle of its outer wall, and the protective shell 2 wraps and protects the middle of the electromagnetic wax preventer body 1;

[0054] The middle part of the outer wall of the electromagnetic wax preventer body 1 is wrapped with a winding temperature regulating structure 4 and a thermal conductive structure layer 6, and the middle part of the winding temperature regulating structure 4 is located in the thermal conductive structure layer 6, and the thermal conductive structure layer 6 can better transfer the temperature on the winding temperature regulating structure 4 to the middle part of the electromagnetic wax preventer body 1;

[0055] The input and output ends of the winding temperature regulating structure 4 extend out of the protective housing 2;

[0056] The outer wall of the wrapped temperature regulating structure 4 is wrapped with an insulation structure layer 5, and the insulation structure layer 5 is located inside the protective shell 2. The insulation structure layer 5 plays an insulation role, reducing the impact of the external environment on the electromagnetic wax preventer body 1. At the same time, the insulation structure layer 5 cooperates with the heat conducting structure layer 6 to improve the temperature regulation efficiency of the wrapped temperature regulating structure 4, and timely regulate the temperature of the electromagnetic wax preventer body 1.

[0057] Cold water or hot water is passed into the wrapped temperature regulating structure 4. Cold water is passed into the wrapped temperature regulating structure 4 to cool it down. When the ambient temperature is low, hot water is passed into the wrapped temperature regulating structure 4 to heat it up. The working temperature of the electromagnetic wax preventer body 1 is controlled by the time and temperature of the cold water or hot water passed through. The detection of an external thermometer is used to determine whether the working temperature of the electromagnetic wax preventer body 1 is within an appropriate range. The setting of the thermal insulation structure layer 5 reduces the impact of the external environment on the electromagnetic wax preventer body 1.

[0058] In some embodiments, in order to cool or heat the middle part of the electromagnetic wax preventer body 1, offset the influence of the external temperature, and ensure that the electromagnetic wax preventer works at a suitable temperature, the winding temperature regulating structure 4 includes:

[0059] A flexible pipe 41 is spirally wound on the middle part of the electromagnetic wax preventer body 1, and the spiral winding increases the contact area between the flexible pipe 41 and the outer wall of the middle part of the electromagnetic wax preventer body 1;

[0060] The flexible pipe 41 is located in the thermal conductive structure layer 6;

[0061] A water inlet pipe 42, which is the input end of the winding temperature adjustment structure 4, and the water inlet pipe 42 is fixedly connected to one end of the flexible pipe 41;

[0062] The drain pipe 43 is the output end of the winding temperature regulating structure 4 . The drain pipe 43 is fixedly connected to the other end of the flexible pipe 41 . The water inlet pipe 42 is used for water intake of the flexible pipe 41 , and the drain pipe 43 is used for drainage of the flexible pipe 41 .

[0063] In some embodiments, in order to conveniently control the opening or closing of the water inlet pipe 42 and the drain pipe 43 and control the flow of cold water or hot water into the flexible pipe 41 , valves 44 are fixedly installed on the water inlet pipe 42 and the drain pipe 43 .

[0064] In some embodiments, in order to insulate the winding temperature regulating structure 4 so that its temperature effect is better and reduce the influence of the external environment temperature on the electromagnetic wax preventer body 1, the insulation structure layer 5 includes:

[0065] The heat-insulating outer layer 51 is sleeved on the middle part of the outer wall of the winding temperature regulating structure 4. The heat-insulating outer layer 51 plays a major role in heat preservation.

[0066] The gap between the inner wall of the heat-insulating outer layer 51 and the winding temperature regulating structure 4 is filled with a polyurethane foam material 52 . The filling of the polyurethane foam material 52 further improves the heat-insulating effect.

[0067] In some embodiments, in order to enhance the conduction of temperature on the winding temperature regulating structure 4 so that high temperature or low temperature can better act on the middle part of the electromagnetic wax preventer body 1, the thermal conductive structure layer 6 includes:

[0068] The heat-conducting metal layer 61 is sleeved on the middle part of the outer wall of the electromagnetic wax preventer body 1;

[0069] A spiral groove 62 is provided on the outer wall of the heat-conducting metal layer 61 corresponding to the spirally distributed flexible pipe 41, and the flexible pipe 41 is inserted into the spiral groove 62. The flexible pipe 41 is inserted into the spiral groove 62 to increase the contact area between the two. The temperature on the flexible pipe 41 can be better transferred to the middle part of the electromagnetic wax preventer body 1 through the heat-conducting metal layer 61.

[0070] In some embodiments, in order to facilitate the disassembly and installation of the upper half shell 21 and the lower half shell 22, the protective housing 2 includes:

[0071] An upper half shell 21 and a lower half shell 22;

[0072] The upper half shell 21 and the lower half shell 22 are spliced ​​together to form a complete cavity shell;

[0073] The front and rear sides of the fitting edges of the upper half shell 21 and the lower half shell 22 are both equipped with connecting and fixing structures 23 .

[0074] In some embodiments, in order to facilitate the disassembly and installation of the upper half shell 21 and the lower half shell 22, the upper half shell 21 and the lower half shell 22 are conveniently disassembled after being split, and the maintenance of their internal structures is convenient. The connecting and fixing structure 23 includes:

[0075] There are two connecting ear plates 231, which are integrally formed on the fitting edges of the upper half shell 21 and the lower half shell 22 respectively;

[0076] Bolts and nuts 232 are fixedly connected between the upper and lower connecting ear plates 231 .

[0077] In some embodiments, in order to clamp and position the protective shell 2, elastic clamping parts 3 are symmetrically fixedly sleeved on the left and right sides of the electromagnetic wax preventer body 1, and the movable ends of the elastic clamping parts 3 are against the same side of the outer wall of the protective shell 2.

[0078] In some embodiments, in order to clamp and position the protective housing 2 and facilitate the release of the positioning effect, the elastic clamping member 3 includes:

[0079] The first ring body 31 is fixedly sleeved on the outer wall of the electromagnetic wax preventer body 1;

[0080] One end of a spring 32 is fixedly connected to the outer wall of the first ring body 31 close to the protective shell 2, and the spring 32 is sleeved on the outer wall of the electromagnetic wax preventer body 1;

[0081] The other end of the spring 32 is fixedly equipped with a second ring body 33, and the second ring body 33 is the movable end of the elastic clamp 3; the second ring bodies 33 on both sides are pressed against the end surfaces of both sides of the protective shell 2 through the elasticity of the spring 32. When the clamping needs to be released, the second ring body 33 is pushed outward to squeeze the spring 32 to contract.

[0082] In some embodiments, in order to prevent the protective shell 2 from rotating when clamping and positioning the protective shell 2 and ensure stable operation, a limited position clamping structure 7 is assembled between the outer wall of the second ring body 33 close to the side of the protective shell 2 and the same side of the outer wall of the protective shell 2, which includes:

[0083] A card slot 71 is formed on the outer wall edge of the protective housing 2 with a card slot 71 arranged uniformly around the circumference;

[0084] A clamping block 72 is fixedly connected to the outer wall of the second ring body 33 at an edge of one side close to the protective shell 2 and corresponding to the clamping groove 71;

[0085] The locking block 72 is locked in the corresponding locking slot 71 .

[0086] Working principle:

[0087] The middle part of the electromagnetic wax preventer body 1 is wrapped and protected by the protective shell 2, and the heat-conducting structure layer 6 can better transfer the temperature on the winding temperature regulating structure 4 to the middle part of the electromagnetic wax preventer body 1, and the heat-insulating structure layer 5 plays a heat-insulating role, reducing the influence of the external environment on the electromagnetic wax preventer body 1. At the same time, the heat-insulating structure layer 5 cooperates with the heat-conducting structure layer 6 to improve the temperature regulation efficiency of the winding temperature regulating structure 4, and timely regulate the temperature of the electromagnetic wax preventer body 1;

[0088] Cold water or hot water is passed into the wrapped temperature regulating structure 4. Cold water is passed into the wrapped temperature regulating structure 4 to cool it down. When the ambient temperature is low, hot water is passed into the wrapped temperature regulating structure 4 to heat it up. The working temperature of the electromagnetic wax preventer body 1 is controlled by the time and temperature of the cold water or hot water passed through. The detection of an external thermometer is used to determine whether the working temperature of the electromagnetic wax preventer body 1 is within an appropriate range. The setting of the thermal insulation structure layer 5 reduces the impact of the external environment on the electromagnetic wax preventer body 1.

[0089] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. Wax preventer, characterized in that: include: The electromagnetic wax preventer body (1) has a protective housing (2) sleeved in the middle of its outer wall; The middle part of the outer wall of the electromagnetic wax preventer body (1) is wrapped with a winding temperature regulating structure (4) and a thermal conductive structure layer (6), and the middle part of the winding temperature regulating structure (4) is located inside the thermal conductive structure layer (6); The input and output ends of the winding temperature regulating structure (4) extend out of the protective housing (2); The outer wall of the wound temperature regulating structure (4) is wrapped with a heat-insulating structure layer (5), and the heat-insulating structure layer (5) is located inside the protective shell (2); Cold water or hot water is introduced into the winding temperature regulating structure (4).

2. The wax preventer according to claim 1, characterized in that: The winding temperature regulating structure (4) comprises: A flexible pipe (41) is spirally wound around the middle of the electromagnetic wax preventer body (1); The flexible pipe (41) is located in the thermal conductive structure layer (6); A water inlet pipe (42), which is the input end of the winding temperature regulating structure (4), and the water inlet pipe (42) is fixedly connected to one end of the flexible pipe (41); The drainage pipe (43) is the output end of the winding temperature regulating structure (4), and the drainage pipe (43) is fixedly connected to the other end of the flexible pipe (41).

3. The wax preventer according to claim 2, characterized in that: The water inlet pipe (42) and the drain pipe (43) are both fixedly mounted with valves (44).

4. The wax preventer according to claim 1, characterized in that: The thermal insulation structure layer (5) comprises: A heat-insulating outer layer (51) which is sleeved on the middle part of the outer wall of the winding temperature regulating structure (4); The gap between the inner wall of the heat-insulating outer layer (51) and the winding temperature regulating structure (4) is filled with polyurethane foam material (52).

5. The wax preventer according to claim 2, characterized in that: The thermal conductive structural layer (6) comprises: A heat-conducting metal layer (61) sleeved on the middle part of the outer wall of the electromagnetic wax preventer body (1); The outer wall of the heat-conducting metal layer (61) is provided with a spiral groove (62) corresponding to the spirally distributed flexible pipe (41), and the flexible pipe (41) is inserted into the spiral groove (62).

6. The wax preventer according to claim 1, characterized in that: The protective housing (2) comprises: An upper half shell (21) and a lower half shell (22); The upper half shell (21) and the lower half shell (22) are spliced ​​together to form a complete cavity shell; The front and rear sides of the fitting edges of the upper half shell (21) and the lower half shell (22) are both equipped with connecting and fixing structures (23).

7. The wax preventer according to claim 6, characterized in that: The connecting and fixing structure (23) comprises: There are two connecting ear plates (231), and the two connecting ear plates (231) are respectively integrally formed on the fitting edges of the upper half shell (21) and the lower half shell (22); Bolts and nuts (232) are fixedly connected between the upper and lower connecting ear plates (231).

8. The wax preventer according to claim 1, characterized in that: Elastic clamping parts (3) are symmetrically and fixedly sleeved on the left and right sides of the electromagnetic wax preventer body (1), and the movable ends of the elastic clamping parts (3) are against the same side of the outer wall of the protective shell (2).

9. The wax preventer according to claim 8, characterized in that: The elastic clamping member (3) comprises: A first ring body (31) is fixedly sleeved on the outer wall of the electromagnetic wax preventer body (1); One end of a spring (32) is fixedly connected to the outer wall of the first ring body (31) close to the protective shell (2), and the spring (32) is sleeved on the outer wall of the electromagnetic wax preventer body (1); The other end of the spring (32) is fixedly mounted with a second ring body (33), and the second ring body (33) is the movable end of the elastic clamping member (3).

10. The wax preventer according to claim 9, characterized in that: A limited position clamping structure (7) is installed between the outer wall of the second ring body (33) on the side close to the protective shell (2) and the outer wall of the protective shell (2) on the same side, and comprises: A card slot (71), wherein the outer wall edge of the protective shell (2) is provided with a card slot (71) evenly distributed around the circumference; A clamping block (72) is fixedly connected to the outer wall of the second ring body (33) at an edge of one side close to the protective shell (2) and corresponding to the clamping groove (71); The card block (72) is card-engaged in the corresponding card slot (71).

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