Gas-liquid separation device for biogas

Abstract

The gas-liquid separation device comprises a tank body (2), a tank cover (1), a primary lifting pipe (3), a gas outlet pipe (11) and a liquid discharge pipe (4) provided with a first valve, the air outlet pipe (11) is arranged at the top of the tank cover (1); the primary lifting pipe (3) and the liquid discharge pipe (4) are arranged on the tank body (2); and the tank cover (1) is fixed at the top of the tank body (2). The gas-liquid separation device for the biogas disclosed by the utility model is simple in structure, convenient to operate and durable in use.

Description

Technical Field

[0001] The utility model relates to the technical field of gas-liquid separation, in particular to a biogas gas-liquid separation device. Background Art

[0002] Biogas is a renewable clean energy source. It is a mixture of multiple gases, the main component of which is methane. In addition, it also contains a large amount of water and hydrogen sulfide. After the biogas fermentation is successful, the water in the biogas must be separated first, and then dry desulfurization can be carried out. Poor water separation effect will not only affect the effect and efficiency of dry desulfurization, but also corrode the desulfurization equipment and shorten the service life of the desulfurization equipment.

[0003] How to design a gas-liquid separation device for biogas with simple structure and easy operation is a problem that needs to be solved urgently. Utility Model Content

[0004] The utility model specifically provides a biogas gas-liquid separation device.

[0005] The utility model provides a biogas gas-liquid separation device, comprising a tank body (2), a tank cover (1), a first-level lifting pipe (3), an air outlet pipe (11), and a liquid discharge pipe (4) provided with a first valve; the air outlet pipe (11) is arranged on the top of the tank cover (1); the first-level lifting pipe (3) and the liquid discharge pipe (4) are both arranged on the tank body (2); and the tank cover (1) is fixed to the top of the tank body (2).

[0006] Preferably, the tank body (2) comprises a first ring body (21) and a first cone body (22); the first cone body (22) is fixed to the bottom of the first ring body (21); a drainage port is provided at the bottom of the first cone body (22); the drainage pipe (4) is fixed at the drainage port; and the ends of the two drainage pipes (4) are fixed to a first flange (41).

[0007] Preferably, the first-level riser (3) is provided in three groups, and the first cone (22) is provided with a first exhaust port near its bottom and on the first ring (21); one end of the three groups of first-level riser (3) is respectively fixed at the first exhaust port, and the other end extends outward and is fixed to the second flange (31); the first-level riser (3) located on the first cone (22) has one end located inside the tank body (2) and the first exhaust port on the first ring (21) located on the same horizontal line.

[0008] Preferably, the biogas gas-liquid separation device provided by the utility model further includes two groups of secondary risers; two groups of second exhaust ports are provided on the second ring body; the two groups of second exhaust ports are arranged above the first exhaust ports; one end of the two secondary risers is respectively fixed at the two second exhaust ports, and the other end extends outward, and a third flange (31) is fixed at its end.

[0009] Preferably, the tank cover (1) further comprises a second cone (15), a second ring (14), a third ring (13) and a fourth cone (12); the second ring (14) is fixed to the top of the second cone (15); the fourth cone (12) is fixed to the top of the third ring (13); the air outlet pipe (11) is fixed to the top of the fourth cone (12); and the second ring (14) and the third ring (13) are fixed to each other via a flange.

[0010] Preferably, the biogas gas-liquid separation device provided by the utility model further includes a cleaning assembly (7); the cleaning assembly (7) includes a first tube body (73) and a second tube body (72); the first conical body (22) is also provided with a first through hole; the second tube body (72) is an annular tube; one end of the first tube body (73) is connected to the second tube body (72); the other end of the first tube body (73) passes through the first through hole and is fixed to the first conical body (22); a plurality of groups of second through holes (74) are evenly provided on the second tube body (72); the second tube body (72) is fixed to the inner wall of the second conical body (15) through a hook (71).

[0011] Preferably, the biogas gas-liquid separation device provided by the present invention further comprises three groups of support legs (6); the three groups of support legs (6) are evenly fixed on the outer wall of the first ring body (21).

[0012] The biogas gas-liquid separation device provided by the utility model has a simple structure, is easy to operate and is durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the biogas gas-liquid separation device provided by the utility model from a first perspective;

[0014] Figure 2 This is a schematic structural diagram of the biogas gas-liquid separation device provided by the utility model from a second perspective;

[0015] Figure 3 for Figure 1 Schematic diagram of the cross-section structure

[0016] Figure 4 A schematic diagram of the relative positions of the cleaning assembly and the tank body provided in an embodiment of the utility model;

[0017] Figure 5 A schematic diagram of the structure of a can lid provided by an embodiment of the utility model;

[0018] Figure 6 A schematic structural diagram of a first-stage riser located on a first cone provided in an embodiment of the present utility model;

[0019] Figure 7 A schematic structural diagram of a cleaning assembly provided by an embodiment of the present utility model;

[0020] Figure 8 for Figure 7 Schematic diagram of the local enlarged structure. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] like Figures 1-8 As shown, the gas-liquid separation device for biogas provided in this embodiment includes a tank body 2, a tank cover 1, a first-level lifting pipe 3, an air outlet pipe 11 and a drain pipe 4 provided with a first valve; the air outlet pipe 11 is arranged on the top of the tank cover 1; the first-level lifting pipe 3 and the drain pipe 4 are both arranged on the tank body 2; the tank cover 1 is fixed on the top of the tank body 2. Those skilled in the art will understand that the drain pipe 4 is connected to an external liquid collecting device, and when the gas-liquid separation in the tank body 2 is completed, the residual liquid is discharged through the drain pipe 4, the biogas in the middle layer of the tank body 2 is discharged through the first-level lifting pipe 3 and then collected by the external collecting device, and the biogas in the upper layer is discharged from the air outlet pipe 11 and collected. This device has a simple structure, is easy to operate and is durable.

[0023] Furthermore, the tank body 2 includes a first ring body 21 and a first conical body 22; the first conical body 22 is fixed to the bottom of the first ring body 21; a drain port is provided at the bottom of the first conical body 22; the drain pipe 4 is fixed to the drain port; and the ends of the two drain pipes 4 are fixed to a first flange 41. Those skilled in the art will appreciate that the conical bottom of the tank body 2 facilitates the removal of residual liquid from the drain port.

[0024] Furthermore, the first-level riser pipes 3 are provided in three groups. First exhaust ports are provided near the bottom of the first cone 22 and on the first ring 21. One end of each of the three groups of first-level riser pipes 3 is fixed to the first exhaust port, while the other end extends outward and is fixed to the second flange 31. The first-level riser pipes 3 on the first cone 22 have their ends located within the tank body 2 and are aligned with the first exhaust ports on the first ring 21. As will be appreciated by those skilled in the art, inserting the first riser pipes on the first cone into the tank body 2 improves the collection efficiency of biogas in the middle layer.

[0025] Furthermore, the gas-liquid separation device for biogas provided in this embodiment also includes two groups of secondary risers; two groups of second exhaust ports are provided on the second ring body; the two groups of second exhaust ports are arranged above the first exhaust port; one end of the two secondary risers is respectively fixed at the two second exhaust ports, and the other end extends outward, and a third flange 31 is fixed at its end.

[0026] Furthermore, the can lid 1 further includes a second conical body 15, a second ring body 14, a third ring body 13, and a fourth conical body 12. The second ring body 14 is fixed to the top of the second conical body 15; the fourth conical body 12 is fixed to the top of the third ring body 13; the air outlet pipe 11 is fixed to the top of the fourth conical body 12; and the second ring body 14 and the third ring body 13 are fixed together by a flange. It will be understood by those skilled in the art that by opening the flange between the second ring body 14 and the third ring body 13, material can be added to the can body 2.

[0027] Furthermore, the biogas gas-liquid separation device provided in this embodiment also includes a cleaning assembly 7; the cleaning assembly 7 includes a first tube body 73 and a second tube body 72; the first conical body 22 is also provided with a first through hole; the second tube body 72 is an annular tube; one end of the first tube body 73 is connected to the second tube body 72; the other end of the first tube body 73 passes through the first through hole and is fixed to the first conical body 22; the second tube body 72 is evenly provided with multiple groups of second through holes 74; the second tube body 72 is fixed to the inner wall of the second conical body 15 via a hook 71. It will be understood by those skilled in the art that by inputting clean water into the first tube body 73, it is ejected through the second through holes 74 in the second tube body 72 and cleans the inner wall of the tank body 2.

[0028] Furthermore, the biogas gas-liquid separation device provided in this embodiment further includes three groups of support legs 6 ; the three groups of support legs 6 are evenly fixed on the outer wall of the first ring body 21 .

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A biogas gas-liquid separation device, characterized in that: The invention comprises a tank body (2), a tank cover (1), a first-level lifting pipe (3), an air outlet pipe (11), and a liquid discharge pipe (4) provided with a first valve; the air outlet pipe (11) is arranged on the top of the tank cover (1); the first-level lifting pipe (3) and the liquid discharge pipe (4) are both arranged on the tank body (2); and the tank cover (1) is fixed to the top of the tank body (2).

2. The biogas gas-liquid separation device according to claim 1, characterized in that: The tank body (2) comprises a first ring body (21) and a first cone body (22); the first cone body (22) is fixed to the bottom of the first ring body (21); a liquid discharge port is provided at the bottom of the first cone body (22); the liquid discharge pipe (4) is fixed at the liquid discharge port; and the ends of the two liquid discharge pipes (4) are fixed to a first flange (41).

3. The biogas gas-liquid separation device according to claim 2, characterized in that: The first-level riser (3) is provided in three groups. The first cone (22) is provided with a first exhaust port near its bottom and on the first ring (21). One end of the three groups of first-level riser (3) is respectively fixed at the first exhaust port, and the other end extends outward and is fixed to the second flange (31). The first-level riser (3) located on the first cone (22) has one end located inside the tank body (2) and the first exhaust port on the first ring (21) located on the same horizontal line.

4. The biogas gas-liquid separation device according to claim 3, characterized in that: It also includes two groups of secondary risers; two groups of second exhaust ports are provided on the second ring body; the two groups of second exhaust ports are arranged above the first exhaust port; one end of the two secondary risers is respectively fixed at the two second exhaust ports, and the other end extends outward, and a third flange (31) is fixed at the end thereof.

5. The biogas gas-liquid separation device according to claim 4, characterized in that: The tank cover (1) further comprises a second cone (15), a second ring (14), a third ring (13) and a fourth cone (12); the second ring (14) is fixed to the top of the second cone (15); the fourth cone (12) is fixed to the top of the third ring (13); the air outlet pipe (11) is fixed to the top of the fourth cone (12); and the second ring (14) and the third ring (13) are fixed to each other via a flange.

6. The biogas gas-liquid separation device according to claim 5, characterized in that: The cleaning assembly (7) further comprises a cleaning component (7); the cleaning component (7) comprises a first tube (73) and a second tube (72); the first conical body (22) is further provided with a first through hole; the second tube (72) is an annular tube; one end of the first tube (73) is connected to the second tube (72); the other end of the first tube (73) passes through the first through hole and is fixed to the first conical body (22); a plurality of groups of second through holes (74) are evenly provided on the second tube (72); the second tube (72) is fixed to the inner wall of the second conical body (15) through a hook (71).

7. The biogas gas-liquid separation device according to claim 6, characterized in that: It also includes three groups of support legs (6); the three groups of support legs (6) are evenly fixed on the outer wall of the first ring body (21).

Images