Device for multi-wellhead heavy oil thermal recovery by mixing boiler steam and flue gas

Abstract

The utility model belongs to the technical field of heavy oil thermal recovery, and particularly relates to a multi-wellhead heavy oil thermal recovery device by mixing boiler steam and flue gas, which comprises a pipeline and a heat preservation device, the heat preservation device is arranged on the surface of the pipeline and comprises two protective covers, the two protective covers are sleeved on the surface of the pipeline, and the surfaces of the protective covers are rotatably connected with two movable plates. The two sides of the protective cover are each fixedly connected with two connecting blocks, every two connecting blocks close to each other form a group, the inner wall of each group of connecting blocks is in threaded connection with a positioning pin, heat preservation materials are arranged on the inner wall of the protective cover, two supporting devices are arranged on the surface of the pipeline, each supporting device comprises a reinforcing rib, and the inner surface of each reinforcing rib is fixedly connected with the surface of the pipeline. The surfaces of the reinforcing ribs are sleeved with a fixing frame, and the upper surface of the fixing frame is fixedly connected with a supporting frame. By arranging the whole device, heat preservation can be conducted on the pipeline, meanwhile, heat preservation materials can be conveniently filled, the operation time is shortened, and protection on the pipeline can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to thickened oil thermal recovery technical field, concretely is the boiler steam flue gas mixture carries out thickened oil thermal recovery device of multi well mouth. BACKGROUND

[0002] Thickened oil is also called heavy crude oil, and its outstanding features are high asphaltene and gum content and high viscosity, and it is difficult to flow, and it is difficult to economically and effectively exploit such crude oil by using conventional primary oil recovery, secondary oil recovery and tertiary oil recovery technology, but thickened oil is very sensitive to temperature, and as the temperature rises, the viscosity of the crude oil will decrease significantly, so it is easy to flow, and therefore it is very suitable for thermal recovery.

[0003] A Chinese patent application CN217440010U discloses a boiler steam flue gas mixture carries out thickened oil thermal recovery device, and its technical scheme points are: through integrated control, a set of thickened oil thermal recovery device can meet the mixed gas injection oil displacement demand of multiple nearby well mouths, the water inlet of the boiler is used as the cooling medium, and the heat generated by each stage compression is recovered, so that the compressed heat energy is fully utilized, and the number of supporting equipment parts is reduced, and the effect of efficient energy saving of oilfield well mouth ground equipment is achieved.

[0004] For the above and existing related technologies, the inventors believe that the following defects often exist: when thickened oil thermal recovery is carried out, the steam or flue gas of the entire boiler is transported through a pipeline, most of the pipelines lack a heat preservation mechanism, and part of the pipelines need to pass through high-temperature gas, and heat loss problems are prone to occur during long-distance transmission; therefore, the boiler steam flue gas mixture carries out thickened oil thermal recovery device is proposed for the above problems. INVENTION CONTENTS

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: the boiler steam flue gas mixture carries out thickened oil thermal recovery device, including pipeline and heat preservation device, the heat preservation device is arranged on the surface of the pipeline, the heat preservation device includes two shields, two The surface of the pipeline is sleeved with two shields, two movable plates are rotatably connected to the surface of the shield, two connecting blocks are fixedly connected to the two sides of the shield, and two connecting blocks close to each other are a group, a positioning pin is threadedly connected to the inner wall of each connecting block, and a heat preservation material is arranged on the inner wall of the shield. The heat preservation material is inserted into the inner wall of the shield, and then the movable plate is pushed to rotate to the surface of the shield, and the heat preservation material is fixed by the shield, the movable plate, the connecting block and the positioning pin, and the pipeline is also heat preserved.

[0007] Preferably, the surface of the shield is provided with a receiving groove, when the heat preservation material is inserted into the shield, the heat preservation material is inserted into the inner wall of the receiving groove, and the receiving groove can facilitate the storage of the heat preservation material.

[0008] Preferably, a plurality of support columns are fixedly connected to the surface of the shield close to the movable plate, rotatingly connected with clamping blocks on the surface of the support columns, and the clamping blocks are located on the surface of the movable plate.

[0009] Preferably, a receiving block is fixedly connected to the surface of the movable plate close to the clamping block, the receiving block is sleeved on the surface of the clamping block, and the clamping block is rotated into the inner wall of the receiving block when the clamping block rotates.

[0010] Preferably, a magnetic block is fixedly connected to the inner surface of the receiving block, and the side wall of the magnetic block is magnetically attracted to the side wall of the clamping block.

[0011] Preferably, the surface of the pipe is provided with two support devices, the support device comprises a reinforcing rib, the inner surface of the reinforcing rib is fixedly connected with the surface of the pipe, a fixing frame is sleeved on the surface of the reinforcing rib, and the upper surface of the fixing frame is fixedly connected with a support frame.

[0012] Preferably, a filling sleeve is inserted into the inner surfaces of the fixing frame and the support frame, the filling sleeve is sleeved on the surface of the reinforcing rib, and a plurality of reinforcing frames are fixedly connected to the inner surface of the support frame.

[0013] The utility model discloses the advantages are as follows:

[0014] 1. The utility model discloses when needing to use the pipe, two shields are sleeved on the surface of the pipe, then the positioning pin is rotated to the inner wall of two connecting blocks, then the heat preservation material is inserted into the inner surface of the receiving groove of the shield, then the movable plate is pushed to make the movable plate sleeve the surface of the shield, then the clamping block is pushed to make the clamping block rotate on the surface of the support column, and the clamping block is inserted into the inner surface of the receiving block.

[0015] 2. In this utility model, when installing pipes, the filler sleeve is placed on the surface of the reinforcing rib, and then the fixing frame and support frame are fixed on the surface of the reinforcing rib and the filler sleeve. Then the support frame is fixed to the wall. When the support frame is under force, the reinforcing frame will share the pressure of the support frame. By setting the entire device, the pipe can be fixed, and the possibility of damage to the connection between the pipe, the fixing frame and the support frame can also be reduced. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 A three-dimensional structural diagram of the pipeline in a multi-wellhead heavy oil thermal recovery device for mixing boiler steam and flue gas;

[0018] Figure 2 A side view of the pipeline structure in a multi-wellhead heavy oil thermal recovery device for mixing boiler steam and flue gas.

[0019] Figure 3 In a multi-wellhead heavy oil thermal recovery unit for mixing boiler steam and flue gas Figure 2 A schematic diagram of the structure at point A;

[0020] Figure 4 A schematic diagram of the piping structure in a multi-wellhead heavy oil thermal recovery device for mixing boiler steam and flue gas;

[0021] Figure 5 In a multi-wellhead heavy oil thermal recovery unit for mixing boiler steam and flue gas Figure 4 A schematic diagram of the structure at point B.

[0022] In the diagram: 1. Pipe; 2. Insulation device; 21. Protective cover; 22. Movable plate; 23. Connecting block; 24. Positioning pin; 25. Storage slot; 26. Support column; 27. Locking block; 28. Storage block; 29. ​​Magnetic block; 3. Support device; 31. Reinforcing rib; 32. Fixing frame; 33. Support frame; 34. Filler sleeve; 35. Reinforcing frame. Detailed Implementation

[0023] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-5 As shown in the figure, the boiler steam flue gas mixed multi-well thickened oil thermal recovery device, including pipeline 1 and heat preservation device 2, the heat preservation device 2 is arranged on the surface of pipeline 1, the heat preservation device 2 includes two shrouds 21, two shrouds 21 are sleeved on the surface of pipeline 1, the surface of the shroud 21 is rotatably connected with two movable plates 22, the two sides of the shroud 21 are fixedly connected with two connecting blocks 23, and two connecting blocks 23 close to each other are a group, the inner wall of each group of connecting blocks 23 is threadedly connected with a positioning pin 24, and the inner wall of the shroud 21 is provided with heat preservation material; when working, the two shrouds 21 are sleeved on the surface of the pipeline 1, and then the positioning pin 24 is rotated to the inner wall of the two connecting blocks 23, and then the heat preservation material is inserted into the inner wall of the shroud 21, and then the movable plate 22 is pushed to rotate to the surface of the shroud 21, the shroud 21, the movable plate 22, the connecting block 23 and the positioning pin 24 can be conveniently fixed, and the pipeline 1 can be conveniently fixed.

[0025] The surface of the shroud 21 is provided with a receiving groove 25; when working, the heat preservation material is inserted into the inner wall of the receiving groove 25, and the receiving groove 25 can be conveniently stored.

[0026] A plurality of support columns 26 are fixedly connected to the surface of the shroud 21 close to the movable plate 22, the surface of the support column 26 is rotatably connected with a clamping block 27, and the clamping block 27 is located on the surface of the movable plate 22; when working, the clamping block 27 is pushed to rotate on the surface of the support column 26, and the clamping block 27 is rotated to the surface of the movable plate 22, and the support column 26 and the clamping block 27 can limit the angle of the movable plate 22.

[0027] A receiving block 28 is fixedly connected to the surface of the movable plate 22 close to the clamping block 27, and the receiving block 28 is sleeved on the surface of the clamping block 27; when working, the clamping block 27 is rotated to the inner wall of the receiving block 28, and the receiving block 28 can receive the clamping block 27.

[0028] The inner surface of the receiving block 28 is fixedly connected with a magnetic block 29, and the side wall of the magnetic block 29 and the side wall of the clamping block 27 are magnetically attracted; when working, the clamping block 27 is attached to the magnetic block 29, the magnetic block 29 attracts the clamping block 27, and the magnetic block 29 can limit the position of the clamping block 27.

[0029] The surface of the pipeline 1 is provided with two supporting devices 3, the supporting device 3 comprises a reinforcing rib 31, the inner surface of the reinforcing rib 31 is fixedly connected with the surface of the pipeline 1, the surface of the reinforcing rib 31 is sleeved with a fixing frame 32, the upper surface of the fixing frame 32 is fixedly connected with a supporting frame 33; during operation, the fixing frame 32 and the supporting frame 33 are fixed on the surface of the reinforcing frame 35, then the supporting frame 33 is fixed with the wall body, through the arrangement of the reinforcing frame 35, the fixing frame 32 and the supporting frame 33, the position of the pipeline 1 can be fixed, and meanwhile the strength of the connecting position of the fixing frame 32, the supporting frame 33 and the pipeline 1 can be increased.

[0030] The inner surface of the fixing frame 32 and the supporting frame 33 is inserted with a filling sleeve 34, the filling sleeve 34 is sleeved on the surface of the reinforcing rib 31, and the inner surface of the supporting frame 33 is fixedly connected with a plurality of reinforcing frames 35; during operation, the fixing frame 32 and the supporting frame 33 are sleeved on the surface of the filling sleeve 34, and when the supporting frame 33 is stressed, the reinforcing frame 35 can bear part of the force, and through the arrangement of the reinforcing frame 35, the strength of the supporting frame 33 can be increased.

[0031] Working principle, when the pipeline 1 needs to be used, the two protective covers 21 are sleeved on the surface of the pipeline 1, the positioning pin 24 is rotated into the inner wall of the two connecting blocks 23, then the heat preservation material is inserted into the inner surface of the accommodating groove 25 of the protective cover 21, then the movable plate 22 is pushed to make the movable plate 22 sleeved on the surface of the protective cover 21, then the clamping block 27 is pushed to make the clamping block 27 rotate on the surface of the supporting column 26, the clamping block 27 is inserted into the inner surface of the accommodating block 28, and when the clamping block 27 rotates, the clamping block 27 can be attached to the magnetic block 29 and the movable plate 22, the magnetic block 29 attracts the clamping block 27, through the arrangement of the whole device, the pipeline 1 can be heat preserved, meanwhile the heat preservation material can be conveniently filled to reduce the operation time, and the pipeline 1 can be further protected; when the pipeline 1 is installed, the filling sleeve 34 is sleeved on the surface of the reinforcing rib 31, then the fixing frame 32 and the supporting frame 33 are fixed on the surface of the reinforcing rib 31 and the filling sleeve 34, and then the supporting frame 33 is fixed on the wall body, when the supporting frame 33 is stressed, the reinforcing frame 35 can share the pressure of the supporting frame 33, through the arrangement of the whole device, the pipeline 1 can be fixed, and meanwhile the possibility of damage of the connecting position of the pipeline 1, the fixing frame 32 and the supporting frame 33 can be reduced.

[0032] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A multi-wellhead thick oil thermal recovery device using boiler steam and flue gas mixture, comprising a pipeline (1) and a heat preservation device (2), characterized in that: The heat preservation device (2) is arranged on the surface of the pipeline (1), the heat preservation device (2) comprises two shrouds (21), the two shrouds (21) are sleeved on the surface of the pipeline (1), the surface of the shroud (21) is rotatably connected with two movable plates (22), the two sides of the shroud (21) are fixedly connected with two connecting blocks (23), and the two connecting blocks (23) close to each other are a group, the inner wall of each group of the connecting blocks (23) is screwedly connected with a positioning pin (24), and the inner wall of the shroud (21) is provided with a heat preservation material.

2. The boiler steam flue gas mixed multi-wellhead thick oil thermal recovery device according to claim 1, characterized in that: The surface of the shroud (21) is provided with a receiving groove (25).

3. The boiler steam flue gas mixed multi-wellhead thick oil thermal recovery device according to claim 1, characterized in that: A plurality of supporting columns (26) are fixedly connected to the surface of the shroud (21) close to the movable plate (22), the surface of the supporting column (26) is rotatably connected with a clamping block (27), and the clamping block (27) is located on the surface of the movable plate (22).

4. The boiler steam flue gas mixed multi-wellhead thick oil thermal recovery device according to claim 3, characterized in that: The surface of the shroud (21) is provided with a receiving groove (25).

5. The boiler steam flue gas mixed multi-wellhead thick oil thermal recovery device according to claim 4, characterized in that: The inner surface of the receiving block (28) is fixedly connected with a magnetic block (29), and the side wall of the magnetic block (29) and the side wall of the clamping block (27) are magnetically attracted.

6. The boiler steam flue gas mixed multi-wellhead thick oil thermal recovery device according to claim 1, characterized in that: The surface of the pipeline (1) is provided with two supporting devices (3), the supporting device (3) comprises a reinforcing rib (31), the inner surface of the reinforcing rib (31) and the surface of the pipeline (1) are fixedly connected, the surface of the reinforcing rib (31) is sleeved with a fixing frame (32), and the upper surface of the fixing frame (32) is fixedly connected with a supporting frame (33).

7. The boiler steam flue gas mixed process multi-wellhead thick oil thermal recovery device according to claim 6, characterized in that: The inner surfaces of the fixing frame (32) and the supporting frame (33) are inserted with a filling sleeve (34), the filling sleeve (34) is sleeved on the surface of the reinforcing rib (31), and the inner surface of the supporting frame (33) is fixedly connected with a plurality of reinforcing frames (35).

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