Wellhead air-cooled heat exchanger device for coal bed gas dehydration

Abstract

The utility model relates to the technical field of coal bed gas dehydration, and discloses a wellhead air-cooled heat exchanger device for coal bed gas dehydration, which comprises a first barrel, a second barrel is arranged at the right end of the first barrel, an air inlet pipe is mounted at the front end of the first barrel, and a mounting plate is fixedly connected to the inner wall of the first barrel. According to the coal bed gas cooling device, coal bed gas enters the first barrel through the gas inlet pipe, in the process of entering the first barrel, the coal bed gas is firstly filtered through the filter cartridge and the filter screen, impurities and particles in the coal bed gas are filtered, the filtered coal bed gas enters the cooling pipe, and due to the fact that the cooling pipe is located outside the first barrel and the second barrel, the cooling effect is good. And the cooled coal bed gas enters the second barrel through the cooling pipe, the cooled coal bed gas is discharged through the exhaust pipe, most of water is removed from the coal bed gas at the moment, the coal bed gas is suitable for further conveying and treatment, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal bed gas dehydration technical field especially relates to a coal bed gas dehydration well mouth air cooling type heat exchanger device. BACKGROUND

[0002] Coal bed gas dehydration is an important link in the process of coal bed gas treatment, because coal bed gas contains a large amount of moisture, if these moisture is not removed, will cause equipment corrosion, blockage etc. in subsequent processing, well mouth air cooling type heat exchanger is a commonly used coal bed gas dehydration equipment, it utilizes air as cooling medium, removes the moisture in coal bed gas by heat exchange mode, to reach the purpose of dehydration.

[0003] The heat exchange efficiency of traditional well mouth air cooling type heat exchanger device to coal bed gas is low, it is difficult to remove the moisture in coal bed gas quickly, thereby affecting subsequent processing, therefore we propose a coal bed gas dehydration well mouth air cooling type heat exchanger device. UTILITY MODEL CONTENT

[0004] To solve the above technical problem, the utility model provides a coal bed gas dehydration well mouth air cooling type heat exchanger device.

[0005] The utility model adopts the following technical scheme realization: a coal bed gas dehydration well mouth air cooling type heat exchanger device, including the first cylinder, the right -hand member of first cylinder is provided with the second cylinder, the front end of first cylinder is installed with the air inlet pipe, the inner wall fixedly connected with the mounting panel of first cylinder, the inside of mounting panel is provided with the filter bowl, one end of filter bowl is fixedly connected with the filter screen, the both ends fixedly connected with the connecting plate of filter screen, the inner wall screw thread connection of connecting plate has the bolt, the rear end communication of first cylinder has the first liquid discharge pipe, the rear end communication of second cylinder has the second liquid discharge pipe, the inner wall communication of first cylinder has the cooling pipe, the right -hand member communication of second cylinder has the exhaust pipe.

[0006] Through above-mentioned technical scheme, coal bed gas enters first cylinder through air inlet pipe, in the process of entering first cylinder, coal bed gas first passes through filter bowl and filter screen and filters, the impurity and particulate matter in coal bed gas are filtered, the coal bed gas after filtering enters the inside of cooling pipe, because cooling pipe is located at the outside of first cylinder and second cylinder, make the contact area with air increase, improve the cooling efficiency, the coal bed gas after cooling enters the inside of second cylinder through cooling pipe, removes the coal bed gas after cooling through exhaust pipe, the coal bed gas has removed most moisture at this time, is suitable for further delivery and processing.

[0007] As the further improvement of the above scheme, the one end of cooling pipe away from first cylinder communicates with the inner wall of second cylinder.

[0008] Through the technical scheme, the cooled coal bed gas can smoothly enter the second cylinder.

[0009] As a further improvement of the above scheme, one end of the bolt penetrates through the connecting plate and is threadedly connected with the inner wall of the mounting plate.

[0010] Through the technical scheme, the filter screen and the filter cartridge are installed and fixed by the bolt, which facilitates subsequent disassembly and replacement, and improves the convenience of subsequent maintenance.

[0011] As a further improvement of the above scheme, one end of the bolt penetrates through the connecting plate and is threadedly connected with the inner wall of the mounting plate.

[0012] Through the technical scheme, the cooled coal bed gas can smoothly enter the second cylinder.

[0013] As a further improvement of the above scheme, one end of the bolt penetrates through the connecting plate and is threadedly connected with the inner wall of the mounting plate.

[0014] Through the technical scheme, the cooled coal bed gas can smoothly enter the second cylinder.

[0015] As a further improvement of the above scheme, one end of the bolt penetrates through the connecting plate and is threadedly connected with the inner wall of the mounting plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a coal bed gas cooling device, which comprises a first cylinder body, a second cylinder body, a filter cartridge, a filter screen, a first liquid discharge pipe, a second liquid discharge pipe, a cooling pipe and an exhaust pipe. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view structure schematic diagram of the utility model;

[0020] Figure 3 It is the side view structure schematic diagram of the utility model;

[0021] Figure 4 The left support seat structure schematic view of the utility model.

[0022] Main symbol explanation:

[0023] 1, first cylinder; 2, second cylinder; 3, inlet pipe; 4, mounting plate; 5, filter cartridge; 6, filter screen; 7, connecting plate; 8, bolt; 9, first liquid discharge pipe; 10, second liquid discharge pipe; 11, cooling pipe; 12, exhaust pipe; 13, temperature measuring port; 14, left support seat; 15, right support seat; 16, grounding plate. DETAILED DESCRIPTION

[0024] Next, the utility model is further described in conjunction with the drawings and specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.

[0025] Embodiment:

[0026] Please combine Figures 1-4 The wellhead air-cooled heat exchanger device for coalbed methane dehydration of the embodiment includes a first cylinder 1, a second cylinder 2 is arranged at the right end of the first cylinder 1, an inlet pipe 3 is mounted at the front end of the first cylinder 1, a mounting plate 4 is fixedly connected to the inner wall of the first cylinder 1, a filter cartridge 5 is arranged in the mounting plate 4, a filter screen 6 is fixedly connected to one end of the filter cartridge 5, connecting plates 7 are fixedly connected to both ends of the filter screen 6, bolts 8 are threadedly connected to the inner wall of the connecting plates 7, a first liquid discharge pipe 9 is communicated with the rear end of the first cylinder 1, a second liquid discharge pipe 10 is communicated with the rear end of the second cylinder 2, a cooling pipe 11 is communicated with the inner wall of the first cylinder 1, an exhaust pipe 12 is communicated with the right end of the second cylinder 2, coalbed methane enters the first cylinder 1 through the inlet pipe 3, in the process of entering the first cylinder 1, the coalbed methane is first filtered by the filter cartridge 5 and the filter screen 6 to filter impurities and particulate matters in the coalbed methane, the filtered coalbed methane enters the inside of the cooling pipe 11, since the cooling pipe 11 is located outside the first cylinder 1 and the second cylinder 2, the contact area of the cooling pipe with the surrounding air can be increased, so that the coalbed methane can be more effectively cooled when passing through the cooling pipe 11, the cooled coalbed methane enters the inside of the second cylinder 2 through the cooling pipe 11, and the cooled coalbed methane is discharged through the exhaust pipe 12, which is convenient for subsequent treatment of the coalbed methane.

[0027] The end of the cooling pipe 11 away from the first cylinder 1 is communicated with the inner wall of the second cylinder 2, in the process of cooling the coalbed methane, water vapor in the coalbed methane begins to condense into liquid water, the condensed water flows to the inside of the first cylinder 1 or the second cylinder 2 under the action of gravity through the cooling pipe 11, and the liquid water is discharged through the first liquid discharge pipe 9 or the second liquid discharge pipe 10, which can effectively remove the water in the coalbed methane and ensure the dryness of the gas.

[0028] One end of the bolt 8 penetrates the connecting plate 7 and is screwed with the inner wall of the mounting plate 4, the filter cartridge 5 and the filter screen 6 are installed through the bolt 8, which is convenient for subsequent disassembly and maintenance, and improves the convenience in use.

[0029] One end of the cooling pipe 11 is provided with a temperature measuring port 13, which is convenient for subsequent detection of the temperature inside the cooling pipe 11.

[0030] The bottom of the first cylinder body 1 is fixedly connected with a left support seat 14, and the bottom of the second cylinder body 2 is fixedly connected with a right support seat 15.

[0031] The surface of the left support seat 14 and the right support seat 15 is fixedly connected with a grounding plate 16.

[0032] The implementation principle of the wellhead air-cooled heat exchanger device for coalbed methane dehydration in the embodiment is as follows: when in use, the coalbed methane enters the first cylinder body 1 through the gas inlet pipe 3, in the process of entering the first cylinder body 1, the coalbed methane is first filtered by the filter cartridge 5 and the filter screen 6, so that the impurities and particulate matters in the coalbed methane are filtered, the filtered coalbed methane enters the inside of the cooling pipe 11, since the cooling pipe 11 is located outside the first cylinder body 1 and the second cylinder body 2, the contact area with air is increased, and the cooling efficiency is improved, in the cooling process of the coalbed methane, the water vapor in the coalbed methane begins to condense into liquid water, the condensed water flows to the inside of the first cylinder body 1 or the second cylinder body 2 under the action of gravity through the cooling pipe 11, and is discharged through the first liquid discharge pipe 9 or the second liquid discharge pipe 10, so that the water in the coalbed methane can be effectively removed, the dryness of the gas is ensured, the cooled coalbed methane enters the inside of the second cylinder body 2 through the cooling pipe 11, and is discharged through the gas discharge pipe 12, at this time, the coalbed methane has removed most of the water, and is suitable for further conveying and processing, and the practicability is improved.

[0033] The above embodiment is only a preferred embodiment of the utility model, and cannot be used to limit the range of protection of the utility model, and any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of protection required by the utility model.

Claims

1. A wellhead air-cooled heat exchanger device for coal bed gas dehydration, characterized by, The utility model relates to a filter device, including first cylinder (1), the right end of first cylinder (1) is provided with second cylinder (2), the front end of first cylinder (1) is installed and goes into the pipe (3), the inner wall of first cylinder (1) is fixedly connected with mounting panel (4), the inside of mounting panel (4) is provided with filter cartridge (5), one end of filter cartridge (5) is fixedly connected with filter screen (6), both ends of filter screen (6) are fixedly connected with connecting plate (7), the inner wall of connecting plate (7) is screwed with bolt (8), the rear end of first cylinder (1) is communicated with first liquid discharge pipe (9), the rear end of second cylinder (2) is communicated with second liquid discharge pipe (10), the inner wall of first cylinder (1) is communicated with cooling pipe (11), the right end of second cylinder (2) is communicated with exhaust pipe (12).

2. The wellhead air-cooled heat exchanger device for coal-bed gas dehydration of claim 1, wherein: The one end of the cooling pipe (11) is communicated with the inner wall of the second cylinder (2) away from the first cylinder (1).

3. The wellhead air cooled heat exchanger device for coal bed gas dehydration of claim 1, wherein: The one end of the bolt (8) is screwed with the inner wall of the mounting panel (4) through the connecting plate (7).

4. The wellhead air cooled heat exchanger device for coal bed gas dehydration of claim 1, wherein: The one end of the cooling pipe (11) is provided with a temperature measuring port (13).

5. The wellhead air cooled heat exchanger device for coal bed gas dehydration of claim 1, wherein: The bottom of the first cylinder (1) is fixedly connected with a left support seat (14), and the bottom of the second cylinder (2) is fixedly connected with a right support seat (15).

6. A wellhead air cooled heat exchanger device for coal bed gas dewatering as claimed in claim 5, characterized by: The surface of the left support seat (14) and the right support seat (15) is fixedly connected with a grounding plate (16).

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