Oil field associated gas drying and cooling device

Abstract

The utility model relates to the technical field of oilfield associated gas, and discloses an oilfield associated gas drying and cooling device which comprises a drying and cooling box, a gas inlet pipe is arranged on the outer wall of one end of the drying and cooling box, a gas outlet pipe is arranged on the outer wall of the other end of the drying and cooling box, and a cooling device for cooling associated gas is arranged at one end of the gas inlet pipe. A drying pipe is arranged at one end of the cooling device, a drying treatment mechanism for drying associated gas is arranged in the drying pipe, a discharging mechanism is arranged at the bottom of the inner wall of the drying cooling box, a gas outlet pipe is arranged at one end of the drying treatment mechanism, and supporting legs are fixed to the four corners of the bottom of the drying cooling box. The drying treatment mechanism is arranged, at the moment, a connecting rod can drive an arc-shaped sliding door to slide in an arc-shaped sliding groove by operating a motor, at the moment, molecular sieve adsorbents can fall into a material collecting box, and then the effects of drying treatment on associated gas and rapid replacement of the molecular sieve adsorbents are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of oilfield associated gas, in particular to an oilfield associated gas drying and cooling device. Background Art

[0002] Oil field associated gas refers to the gas that accompanies petroleum liquids and appears between oil layers during the exploitation of oil fields. Its main component is methane, which usually contains a large amount of ethane and hydrocarbon heavy components. At present, the process flow of associated gas treatment in most transfer stations is sedimentation, oil removal, and drying. The treated natural gas system has the following problems.

[0003] In the existing oil field associated gas treatment, due to the high temperature of the associated gas, it still carries a large amount of light hydrocarbons and water vapor. At this time, molecular sieve adsorbents are used. However, when used for too long, the molecular sieve adsorbents need to be replaced, which is troublesome and time-consuming, affecting production efficiency. Therefore, there is an urgent need to solve this problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a drying and cooling device for oil field associated gas.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An oilfield associated gas drying and cooling device comprises a drying and cooling box, an air inlet pipe is arranged on the outer wall of one end of the drying and cooling box, an air outlet pipe is arranged on the outer wall of the other end of the drying and cooling box, a cooling device for cooling the associated gas is arranged at one end of the air inlet pipe, a drying pipe is arranged at one end of the cooling device, a drying treatment mechanism for drying the associated gas is arranged inside the drying pipe, a discharge mechanism is arranged at the bottom of the inner wall of the drying and cooling box, an air outlet pipe is arranged at one end of the drying treatment mechanism, and supporting legs are fixed at the four corners of the bottom of the drying and cooling box;

[0007] The drying treatment mechanism includes an arc-shaped slide groove arranged on the inner wall of the drying tube, a first notch is opened at the bottom of the drying tube, an arc-shaped sliding door adapted to the first notch is slidably arranged in the first notch, and the arc-shaped sliding door is adapted to the arc-shaped slide groove, two ends of the drying tube are rotatably connected with a rotating rod, a connecting rod is fixed to the outer wall of the rotating rod, and the other end of the connecting rod is fixed to the top of the arc-shaped sliding door, a plurality of molecular sieve adsorbents are arranged on the inner wall of the drying tube, and a driving device is arranged on the outer wall of the drying tube at one end away from the air inlet pipe.

[0008] As a further solution of the utility model, the driving device includes a motor installed on the outer wall of the drying tube, the output shaft of the motor is connected to one end of the rotating rod, and the rotation of the rotating rod will drive the connecting rod to open the arc sliding door, at which time the molecular sieve adsorbent will be discharged.

[0009] As a further solution of the utility model, a filter screen is provided on the inner wall of the drying tube at one end away from the motor, and a cleaning brush is fixed on the outer wall of the rotating rod at one end close to the filter screen, and the cleaning brush is in contact with the outer wall of the filter screen. When the rotating rod rotates, it drives the cleaning brush to clean the outer wall of the filter screen.

[0010] As a further solution of the utility model, a feed port is provided on the top of the drying tube, and the feed port passes through the top of the drying and cooling box. The inner wall of the feed port is rotatably connected to a first baffle via a torsion spring, and the first baffle can only rotate clockwise.

[0011] As a further solution of the utility model, air supply pipes are provided at the four corners of the outer wall of one end of the drying pipe away from the filter screen plate, the other end of the air supply pipe is connected and communicated with one end of the air outlet pipe, and a discharge mechanism is provided at the bottom of the drying pipe.

[0012] As a further solution of the utility model, the discharge mechanism includes a collection box fixed at the bottom of the drying tube, a funnel is fixed at the bottom of the collection box, a discharge port is fixed at the bottom of the funnel through the bottom of the drying and cooling box, trapezoidal slide grooves are fixed on both sides of the bottom of the discharge port, a trapezoidal slider adapted to the trapezoidal slide groove is slidably provided in the trapezoidal slide groove, a same second baffle is fixed on the side where the two trapezoidal sliders are close to each other, and a pulling handle is fixed on the outer wall at one end of the second baffle.

[0013] As a further solution of the utility model, the cooling device includes a cooling pipe arranged on the outer wall of the air inlet pipe, and the air inlet pipe passes through the outer wall of the drying cooling box and communicates with the interior thereof. A cooling tower is provided at one end of the air inlet pipe close to the drying pipe, and the output end of the cooling tower is connected to one end of the drying pipe.

[0014] The beneficial effects of the utility model are:

[0015] The utility model: by providing a drying treatment mechanism, the molecular sieve adsorbent will absorb the moisture in the associated gas. When the molecular sieve adsorbent needs to be replaced, the motor is run, and the connecting rod drives the arc-shaped sliding door to slide in the arc-shaped sliding groove, and the molecular sieve adsorbent will fall into the aggregate box, thereby achieving the effect of drying the associated gas and quickly replacing the molecular sieve adsorbent.

[0016] The utility model has a discharge mechanism, when the molecular sieve adsorbent is completely discharged, the arc-shaped sliding door is closed by running the motor, and the molecular sieve adsorbent falls from the funnel into the discharge port, and then the staff opens the second baffle by pulling the handle, and then the used molecular sieve adsorbent is processed, thereby achieving the effect of quickly discharging the molecular sieve adsorbent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of an oilfield associated gas drying and cooling device proposed by the utility model;

[0018] Figure 2 This is a first partial cross-sectional structural schematic diagram of an oilfield associated gas drying and cooling device proposed by the utility model;

[0019] Figure 3 This is a second partial cross-sectional structural schematic diagram of an oilfield associated gas drying and cooling device proposed by the utility model;

[0020] Figure 4 The utility model provides an oilfield associated gas drying and cooling device Figure 2 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1. Drying and cooling box; 2. Support legs; 4. Cooling pipe; 5. Exhaust pipe; 6. Feed port; 7. Inlet pipe; 8. Cooling tower; 9. Gas pipe; 10. Collecting box; 11. Funnel; 12. Discharge port; 13. Drying pipe; 14. First baffle; 15. Arc slide door; 16. Rotating rod; 17. Arc slide; 18. Connecting rod; 19. Motor; 20. Filter screen; 21. Cleaning brush; 22. Trapezoidal slide; 23. Trapezoidal slider; 24. Second baffle; 25. Pull handle; 26. Molecular sieve adsorbent. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] Reference Figure 1-Figure 4 , an oilfield associated gas drying and cooling device, comprising a drying and cooling box 1, an air inlet pipe 7 is arranged on the outer wall of one end of the drying and cooling box 1, an air outlet pipe 5 is arranged on the outer wall of the other end of the drying and cooling box 1, a cooling device for cooling the associated gas is arranged at one end of the air inlet pipe 7, a drying pipe 13 is arranged at one end of the cooling device, a drying treatment mechanism for drying the associated gas is arranged inside the drying pipe 13, a discharge mechanism is arranged at the bottom of the inner wall of the drying and cooling box 1, an air outlet pipe 5 is arranged at one end of the drying treatment mechanism, and support legs 2 are fixed at the four corners of the bottom of the drying and cooling box 1;

[0025] The drying treatment mechanism includes an arcuate slide groove 17 arranged on the inner wall of the drying tube 13, a first notch is opened at the bottom of the drying tube 13, and an arcuate slide door 15 adapted thereto is slidably arranged in the first notch, and the arcuate slide door 15 is adapted to the arcuate slide groove 17, and rotating rods 16 are rotatably connected at both ends of the drying tube 13, a connecting rod 18 is fixed to the outer wall of the rotating rod 16, and the other end of the connecting rod 18 is fixed to the top of the arcuate slide door 15, a plurality of molecular sieve adsorbents 26 are arranged on the inner wall of the drying tube 13, and a driving device is arranged on the outer wall of the end of the drying tube 13 away from the air inlet pipe 7.

[0026] In this embodiment, the driving device includes a motor 19 installed on the outer wall of the drying tube 13. The output shaft of the motor 19 is connected to one end of the rotating rod 16. The rotation of the rotating rod 16 will drive the connecting rod 18 to open the arc sliding door 15, and the molecular sieve adsorbent 26 will be discharged.

[0027] In this embodiment, a filter screen 20 is provided on the inner wall of the end of the drying tube 13 away from the motor 19, and a cleaning brush 21 is fixed to the outer wall of the end of the rotating rod 16 close to the filter screen 20, and the cleaning brush 21 is in contact with the outer wall of the filter screen 20. When the rotating rod 16 rotates, it drives the cleaning brush 21 to clean the outer wall of the filter screen 20.

[0028] In this embodiment, a feed port 6 is provided at the top of the drying tube 13, and the feed port 6 passes through the top of the drying and cooling box 1. The inner wall of the feed port 6 is rotatably connected to a first baffle 14 via a torsion spring, and the first baffle 14 can only rotate clockwise.

[0029] In this embodiment, air supply pipes 9 are provided at four corners of the outer wall of the drying pipe 13 away from the filter screen plate 20 , the other end of the air supply pipe 9 is connected and communicated with one end of the air outlet pipe 5 , and a discharge mechanism is provided at the bottom of the drying pipe 13 .

[0030] In this embodiment, the discharge mechanism includes a collection box 10 fixed at the bottom of the drying tube 13, a funnel 11 is fixed at the bottom of the collection box 10, a discharge port 12 is fixed at the bottom of the funnel 11 through the bottom of the drying and cooling box 1, trapezoidal slide grooves 22 are fixed on both sides of the bottom of the discharge port 12, and a trapezoidal slider 23 adapted to the trapezoidal slide groove 22 is slidably provided in the trapezoidal slide groove 22, and the same second baffle 24 is fixed on the side where the two trapezoidal sliders 23 are close to each other, and a pulling handle 25 is fixed on the outer wall of one end of the second baffle 24.

[0031] In this embodiment, the cooling device includes a cooling pipe 4 arranged on the outer wall of the air inlet pipe 7, and the air inlet pipe 7 passes through the outer wall of the drying cooling box 1 and communicates with the interior thereof. A cooling tower 8 is provided at one end of the air inlet pipe 7 close to the drying pipe 13, and the output end of the cooling tower 8 is connected to one end of the drying pipe 13.

[0032] Working principle: During use, when the associated gas needs to be cooled and dried, the associated gas is input into the drying and cooling box 1 through the air inlet pipe 7. At this time, the cooling pipe 4 will first cool the associated gas. At this time, the air inlet pipe 7 will transport the associated gas to the inside of the cooling tower 8, thereby achieving the effect of cooling the associated gas. At this time, the molecular sieve adsorbent 26 can be transported to the inside of the drying tube 13 through the feed port 6. At this time, the molecular sieve adsorbent 26 will open the first baffle 14 clockwise and enter the drying tube 13. At this time, the cooling tower 8 will transport the cooled associated gas to the inside of the drying tube 13. At this time, the molecular sieve adsorbent 26 will absorb the moisture of the associated gas. At this time, the associated gas will be transported from the gas transmission pipe 9 to the gas outlet pipe 5 for discharge, thereby achieving the effect of drying the associated gas. When the molecular sieve adsorbent 26 needs to be replaced, at this time By running the motor 19, the motor 19 will drive the rotating rod 16 to rotate, and the rotating rod 16 will drive the connecting rod 18 to rotate. At this time, the connecting rod 18 will drive the arc sliding door 15 to slide in the arc sliding groove 17. At this time, the molecular sieve adsorbent 26 will fall into the collecting box 10, thereby achieving the effect of drying the associated gas and quickly replacing the molecular sieve adsorbent 26. At this time, the rotating rod 16 will drive the cleaning brush 21 to clean the outer wall of the filter plate 20. When the molecular sieve adsorbent 26 is completely discharged, the arc sliding door 15 will be closed by running the motor 19. At this time, the molecular sieve adsorbent 26 will fall from the funnel 11 into the discharge port 12, and then the staff will open the second baffle 24 by pulling the handle 25, and then process the used molecular sieve adsorbent 26, thereby achieving the effect of quickly discharging the molecular sieve adsorbent 26.

[0033] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0034] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0035] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0036] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An oilfield associated gas drying and cooling device, comprising a drying and cooling box (1), characterized in that: An air inlet pipe (7) is provided on the outer wall of one end of the drying and cooling box (1), and an air outlet pipe (5) is provided on the outer wall of the other end of the drying and cooling box (1). A cooling device for cooling the associated gas is provided at one end of the air inlet pipe (7), and a drying pipe (13) is provided at one end of the cooling device. A drying treatment mechanism for drying the associated gas is provided inside the drying pipe (13). A discharge mechanism is provided at the bottom of the inner wall of the drying and cooling box (1), and an air outlet pipe (5) is provided at one end of the drying treatment mechanism. Support legs (2) are fixed at the four corners of the bottom of the drying and cooling box (1); The drying treatment mechanism comprises an arc-shaped slide groove (17) arranged on the inner wall of the drying tube (13); a first notch is opened at the bottom of the drying tube (13); an arc-shaped sliding door (15) adapted thereto is slidably arranged in the first notch, and the arc-shaped sliding door (15) is adapted to the arc-shaped slide groove (17); two ends of the drying tube (13) are rotatably connected with a rotating rod (16); a connecting rod (18) is fixed to the outer wall of the rotating rod (16); the other end of the connecting rod (18) is fixed to the top of the arc-shaped sliding door (15); a plurality of molecular sieve adsorbents (26) are arranged on the inner wall of the drying tube (13); and a driving device is arranged on the outer wall of one end of the drying tube (13) away from the air inlet pipe (7).

2. The oilfield associated gas drying and cooling device according to claim 1, characterized in that: The driving device comprises a motor (19) mounted on the outer wall of the drying tube (13), and the output shaft of the motor (19) is connected to one end of the rotating rod (16).

3. The oilfield associated gas drying and cooling device according to claim 2, characterized in that: A filter screen plate (20) is provided on the inner wall of one end of the drying tube (13) away from the motor (19), and a cleaning brush (21) is fixed on the outer wall of one end of the rotating rod (16) close to the filter screen plate (20), and the cleaning brush (21) is in contact with the outer wall of the filter screen plate (20).

4. The oilfield associated gas drying and cooling device according to claim 3, characterized in that: A feed port (6) is provided at the top of the drying tube (13), and the feed port (6) passes through the top of the drying and cooling box (1). The inner wall of the feed port (6) is rotatably connected to a first baffle (14) via a torsion spring, and the first baffle (14) can only rotate clockwise.

5. The oilfield associated gas drying and cooling device according to claim 4, characterized in that: An air supply pipe (9) is provided at four corners of the outer wall of one end of the drying pipe (13) away from the filter screen plate (20); the other end of the air supply pipe (9) is connected to and communicates with one end of the air outlet pipe (5); and a discharge mechanism is provided at the bottom of the drying pipe (13).

6. The oilfield associated gas drying and cooling device according to claim 5, characterized in that: The discharge mechanism comprises a material collection box (10) fixed at the bottom of a drying tube (13), a funnel (11) fixed at the bottom of the material collection box (10), a discharge port (12) fixed at the bottom of the funnel (11) passing through the bottom of a drying and cooling box (1), trapezoidal slide grooves (22) fixed on both sides of the bottom of the discharge port (12), a trapezoidal slider (23) adapted thereto slidingly provided in the trapezoidal slide groove (22), a second baffle (24) fixed on the side where the two trapezoidal sliders (23) are close to each other, and a pulling handle (25) fixed on the outer wall at one end of the second baffle (24).

7. The oilfield associated gas drying and cooling device according to claim 1, characterized in that: The cooling device comprises a cooling pipe (4) arranged on the outer wall of an air inlet pipe (7), and the air inlet pipe (7) passes through the outer wall of the drying cooling box (1) and communicates with the interior thereof. A cooling tower (8) is arranged at one end of the air inlet pipe (7) close to the drying pipe (13), and an output end of the cooling tower (8) is connected to one end of the drying pipe (13).

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