Natural gas exploitation waste gas safety treatment device

Abstract

The utility model discloses a natural gas exploitation waste gas safety treatment device, which relates to the technical field of environmental protection, and comprises a spray tower, one end of the spray tower is connected with a plasma purification tower through a gas delivery pipe, one end of the spray tower is connected with a gas inlet pipe, and one end of the plasma purification tower is connected with an exhaust pipe; a gas detector is clamped and fixed on the plasma purification tower through a clamping assembly, one end of the gas detector is connected with a first connecting pipe, the exhaust pipe is connected with a second connecting pipe, the first connecting pipe is connected with the second connecting pipe through a connecting assembly, a circulating pipe is connected between the exhaust pipe and the gas inlet pipe, and the circulating pipe is connected with the gas inlet pipe through a connecting assembly. A first electric control valve and a second electric control valve are respectively mounted on the exhaust pipe and the circulating pipe; according to the utility model, the emission condition of the waste gas can be monitored in real time, the waste gas is discharged after reaching the national or local environmental protection standard, and the pollution to the environment is further reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection technical field, concretely is a kind of natural gas's exploitation waste gas safety treatment device. BACKGROUND

[0002] Some waste gas can be generated in the process of natural gas exploitation, and if these waste gas is directly discharged into the atmosphere without treatment, it will pollute the environment. Therefore, a waste gas treatment device is needed to purify and treat these waste gas, remove harmful substances therein, ensure that the discharged waste gas meets environmental protection standards, and thus protect the atmospheric environment.

[0003] In related technology, when the waste gas treatment device treats waste gas, the waste gas first passes through the spray tower for preliminary purification to remove part of particulate matter and soluble gas. Then, the waste gas enters the plasma purification tower for deep purification, using plasma to remove harmful substances in the waste gas. Finally, the purified waste gas is discharged into the atmosphere.

[0004] Since the treated gas is directly discharged, it can cause non-compliant gas to be directly discharged into the atmosphere. These gases can contain harmful substances such as hydrogen sulfide, nitrogen oxides, carbon monoxide, etc., which can cause serious pollution to the atmospheric environment. Therefore, the skilled person in the art provides a natural gas exploitation waste gas safety treatment device to solve the problems raised in the above background technology. SUMMARY

[0005] The purpose of the utility model is to provide a natural gas exploitation waste gas safety treatment device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A natural gas exploitation waste gas safety treatment device, comprising:

[0008] A spray tower is connected at one end to an ion purification tower through a gas conveying pipe, the spray tower is connected at one end to an air inlet pipe, and the ion purification tower is connected at one end to an air outlet pipe;

[0009] A gas detector is clamped and fixed on the ion purification tower through a clamping assembly, the gas detector is connected at one end to a first connecting pipe, the air outlet pipe is connected to a second connecting pipe, the first connecting pipe and the second connecting pipe are connected through a connecting assembly, a circulating pipe is connected between the air outlet pipe and the air inlet pipe, and a first electric control valve and a second electric control valve are respectively installed on the air outlet pipe and the circulating pipe.

[0010] Preferably, the clamping assembly comprises a fixed plate, a first clamping plate, a second clamping plate, a side plate and a threaded rod, the fixed plate is fixedly connected to the plasma purification tower, the first clamping plate and the side plate are fixedly connected to the two sides of the fixed plate, the threaded rod is threadedly connected with the side plate, and one end of the threaded rod is rotatably connected with the second clamping plate.

[0011] Preferably, one end of the threaded rod away from the second clamping plate is fixedly provided with a handle, and the outer side of the handle is provided with an anti-skid layer.

[0012] Preferably, the second clamping plate is provided with a limiting block, and the fixed plate is provided with a limiting groove for sliding connection of the limiting block.

[0013] Preferably, the first clamping plate and the second clamping plate are both provided with a rubber layer, and the rubber layer is in contact connection with the gas detector.

[0014] Preferably, the connecting assembly comprises a fixed ring, a blocking ring and a limiting ring, the fixed ring is threadedly connected with the second connecting pipe, the blocking ring is arranged at one end of the fixed ring, the limiting ring is arranged at one end of the first connecting pipe, the blocking ring and the limiting ring are in contact connection, and a first sealing ring is arranged between one end of the second connecting pipe and the other side of the limiting ring.

[0015] Preferably, one end of the second connecting pipe is provided with a connecting groove, the first connecting pipe is clamped in the connecting groove, and a second sealing ring is arranged in the connecting groove.

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

[0017] 1、The utility model discloses a spray tower and a plasma purification tower are arranged, waste gas can be discharged after purification, environmental pollution is reduced, the discharge condition of waste gas can be monitored in real time, waste gas is discharged after reaching the environmental protection standard, and the pollution to the environment is further reduced.

[0018] 2、The utility model discloses a gas detector convenient to disassemble and replace, can improve the overhauling efficiency, shorten the maintenance time and reduce the production loss caused by equipment downtime. ACCURACY

[0019] Figure 1 It is a structure schematic view of a natural gas exploitation waste gas safety treatment device in the embodiment of the application.

[0020] Figure 2 It is a sectional structure schematic view of a gas detector of a natural gas exploitation waste gas safety treatment device in the embodiment of the application.

[0021] Figure 3 It is Figure 2Enlarged view at A;

[0022] Figure 4 For Figure 3 Enlarged view at B.

[0023] In the figure: 1, spray tower; 2, gas pipe; 3, plasma purification tower; 4, gas inlet pipe; 5, exhaust pipe; 6, gas detector; 7, first connecting pipe; 8, second connecting pipe; 9, circulating pipe; 10, first electric control valve; 11, second electric control valve; 12, fixed plate; 13, first clamping plate; 14, second clamping plate; 15, side plate; 16, threaded rod; 17, handle; 18, anti-skid layer; 19, limiting block; 20, limiting groove; 21, rubber layer; 22, fixing ring; 23, retaining ring; 24, limiting ring; 25, first sealing ring; 26, connecting groove; 27, second sealing ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in 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.

[0025] Please refer to Figures 1-4 The present application provides a technical solution:

[0026] A natural gas exploitation waste gas safety treatment device, comprising:

[0027] The spray tower 1 is connected with the plasma purification tower 3 at one end through the gas pipe 2, the spray tower 1 is connected with the gas inlet pipe 4 at one end, and the plasma purification tower 3 is connected with the exhaust pipe 5 at one end;

[0028] The gas detector 6 is clamped and fixed on the plasma purification tower 3 through the clamping assembly,

[0029] The first connecting pipe 7 is connected with the gas detector 6 at one end, the second connecting pipe 8 is connected with the exhaust pipe 5, the first connecting pipe 7 and the second connecting pipe 8 are connected through the connecting assembly, the circulating pipe 9 is connected between the exhaust pipe 5 and the gas inlet pipe 4, and the first electric control valve 10 and the second electric control valve 11 are respectively installed on the exhaust pipe 5 and the circulating pipe 9.

[0030] In the above embodiment, the exhaust gas enters the spray tower 1 through the air inlet pipe 4, the spray tower 1 performs preliminary purification to remove part of the particulate matter and soluble gas, the preliminarily purified gas enters the plasma purification tower 3 through the gas conveying pipe 2, the harmful substances in the exhaust gas can be removed by using the plasma, the purified gas is discharged through the exhaust pipe 5, when the purified gas enters the exhaust pipe 5, the gas detector 6 detects the gas through the first connecting pipe 7 and the second connecting pipe 8, when the gas is qualified, the first electric control valve 10 is opened, the gas is discharged through the exhaust pipe 5, when the gas is unqualified, the second electric control valve 11 is opened, the gas enters the air inlet pipe 4 through the circulating pipe 9, and the gas is purified again, so that the exhaust gas can be discharged after reaching the environmental protection standard, and the pollution to the environment is further reduced.

[0031] Specifically, the clamping assembly comprises a fixed plate 12, a first clamping plate 13, a second clamping plate 14, a side plate 15 and a threaded rod 16, the fixed plate 12 is fixedly connected to the plasma purification tower 3, the first clamping plate 13 and the side plate 15 are fixedly connected to the two sides of the fixed plate 12, the threaded rod 16 is threadedly connected with the side plate 15, one end of the threaded rod 16 is rotatably connected with the second clamping plate 14, and the end of the threaded rod 16 away from the second clamping plate 14 is fixedly provided with a handle 17, the outer side of the handle 17 is provided with an anti-skid layer 18, the first clamping plate 13 and the second clamping plate 14 are both provided with a rubber layer 21, and the rubber layer 21 is in contact connection with the gas detector 6.

[0032] When the gas detector 6 is clamped and fixed, the gas detector 6 is in contact connection with the rubber layer 21 on the first clamping plate 13, then the handle 17 is rotated, the handle 17 can drive the second clamping plate 14 to move through the threaded rod 16, the rubber layer 21 on the second clamping plate 14 is in contact connection with the gas detector 6, and the gas detector 6 can be clamped and fixed, wherein the anti-skid layer 18 can improve the friction of the handle 17, and the handle 17 is convenient to rotate.

[0033] Further, the second clamping plate 14 is provided with a limiting block 19, and the fixed plate 12 is provided with a limiting groove 20 for sliding connection of the limiting block 19;

[0034] When the second clamping plate 14 moves, the limiting block 19 moves in the limiting groove 20, the movement route of the second clamping plate 14 can be limited, and the deviation of the second clamping plate 14 during movement is reduced.

[0035] The connecting assembly comprises a fixing ring 22, a blocking ring 23 and a limiting ring 24, the fixing ring 22 is threadedly connected with the second connecting pipe 8, the blocking ring 23 is arranged at one end of the fixing ring 22, the limiting ring 24 is arranged at one end of the first connecting pipe 7, the blocking ring 23 and the limiting ring 24 are in contact connection, the first sealing ring 25 is arranged between one end of the second connecting pipe 8 and the other side of the limiting ring 24, the connecting groove 26 is arranged at one end of the second connecting pipe 8, the first connecting pipe 7 is clamped in the connecting groove 26, and the second sealing ring 27 is arranged in the connecting groove 26.

[0036] When the gas detector 6 is connected with the exhaust pipe 5, the first connecting pipe 7 is clamped in the connecting groove 26, then the fixing ring 22 is rotated, the fixing ring 22 is threadedly connected with the second connecting pipe 8, and the first connecting pipe 7 and the second connecting pipe 8 are connected by rotating the fixing ring 22 to the contact connection of the blocking ring 23 and the limiting ring 24, that is, the gas detector 6 is connected with the exhaust pipe 5, wherein the first sealing ring 25 and the second sealing ring 27 are arranged, so that the connection sealing property between the first connecting pipe 7 and the second connecting pipe 8 is improved.

[0037] It should be noted that the specific model and specification of the gas detector 6 need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A natural gas production off-gas safety treatment device, characterized by, Include: Spray tower (1), the spray tower (1) one end is connected with plasma purification tower (3) through gas pipe (2), the spray tower (1) one end is connected with air inlet pipe (4), the plasma purification tower (3) one end is connected with exhaust pipe (5); The gas detector (6) is clamped and fixed on the plasma purification tower (3) through the clamping assembly, one end of the gas detector (6) is connected with the first connecting pipe (7), the second connecting pipe (8) is connected on the exhaust pipe (5), the first connecting pipe (7) and the second connecting pipe (8) are connected through the connecting assembly, the exhaust pipe (5) and the circulating pipe (9) are connected between the circulating pipe (9) and the air inlet pipe (4), the first electric control valve (10) and the second electric control valve (11) are respectively installed on the exhaust pipe (5) and the circulating pipe (9).

2. A natural gas production off-gas safety treatment device according to claim 1, characterized in that: The clamping assembly includes a fixed plate (12), a first clamping plate (13), a second clamping plate (14), a side plate (15) and a threaded rod (16), the fixed plate (12) is fixedly connected on the plasma purification tower (3), the first clamping plate (13) and the side plate (15) are fixedly connected on both sides of the fixed plate (12), the threaded rod (16) is threadedly connected with the side plate (15), and one end of the threaded rod (16) is rotatably connected with the second clamping plate (14).

3. A device for safe disposal of exhaust gases from natural gas production according to claim 2, characterized in that: One end of the threaded rod (16) away from the second clamping plate (14) is fixedly provided with a handle (17), and the outer side of the handle (17) is provided with an anti-skid layer (18).

4. A device for safe disposal of exhaust gases from natural gas production according to claim 3, characterized in that: The second clamping plate (14) is provided with a limiting block (19), and the fixed plate (12) is provided with a limiting groove (20) for sliding connection of the limiting block (19).

5. A device for safe disposal of exhaust gases from natural gas production according to claim 4, characterized in that: The first clamping plate (13) and the second clamping plate (14) are both provided with a rubber layer (21), and the rubber layer (21) is in contact with the gas detector (6).

6. A natural gas production off-gas safety treatment device according to claim 1, characterized in that: The connecting assembly includes a fixed ring (22), a stop ring (23) and a limiting ring (24), the fixed ring (22) is threadedly connected with the second connecting pipe (8), the stop ring (23) is arranged at one end of the fixed ring (22), the limiting ring (24) is arranged at one end of the first connecting pipe (7), the stop ring (23) and the limiting ring (24) are in contact, and the first sealing ring (25) is arranged between one end of the second connecting pipe (8) and the other side of the limiting ring (24).

7. A natural gas production off-gas safety treatment device according to claim 6, characterized in that: One end of the second connecting pipe (8) is provided with a connecting groove (26), one end of the first connecting pipe (7) is clamped in the connecting groove (26), and the second sealing ring (27) is arranged in the connecting groove (26).

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