Desulfurization detection device in natural gas purification

Abstract

The utility model discloses a desulfurization detection device in natural gas purification, which comprises a storage mechanism, a gas transmission device, a recovery device and a detection mechanism, the gas transmission device is detachably mounted on the left side of the storage mechanism, the recovery device is detachably mounted on the right side of the storage mechanism, and the detection mechanism is detachably mounted on the front side of the storage mechanism. The storage mechanism comprises a gas storage tank, a first connecting pipe, a second connecting pipe, a first thread, a second thread, a first gas check valve, a first stop valve, a detection connecting pipe, a third thread, a second stop valve and a pressure gauge. According to the utility model, all the mechanisms are matched for use, so that the potential safety hazard of natural gas leakage is avoided, the surrounding air quality is ensured, the damage of replaced air to the body health of workers is also avoided, and the accuracy of detection data is also improved at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas detection equipment, in particular to a desulfurization detection device in natural gas purification. Background Art

[0002] Natural gas refers to all gases that exist naturally in nature, including gases formed by various natural processes in the atmosphere, hydrosphere, and lithosphere (including oilfield gas, gas field gas, mud volcano gas, coalbed methane, and biogenic gas, etc.). Before using natural gas, it needs to be tested, and a sampling device is needed in this process.

[0003] According to the patent document, the name is: A device for natural gas sampling and detection (patent authorization announcement number: CN215574073U, patent announcement date: 2022.01.18.), including a natural gas device as a whole, a central gas tank, a left connecting pipe and an air inlet valve. The middle of the natural gas device as a whole is fixedly connected to the central gas tank, the left side of the central gas tank is fixedly connected to the left connecting pipe, and the top right side of the central gas tank is movably connected to a detector. The top of the detector is fixedly connected to a display, which can display the natural gas concentration. During the detection, first connect the detection pipe on the detector with the thread on the gas tank through the thread of the pipe mouth, and then press the larger button of the control component to turn on the detection device. At this time, natural gas can be injected into the gas tank. At this time, press the three small buttons on the control component to select the concentration of different gases to be detected. The detector is small in size and easy to carry, which avoids the problem of large size and inconvenience of carrying of the detection device.

[0004] Based on the operation process described in the above document, the current device for natural gas sampling and detection still has the following problems:

[0005] 1. When the device is in use, natural gas needs to be filled into the device to replace the air in the device, thereby improving the detection accuracy. When the air in the device is replaced, the replaced air is directly discharged outdoors. The discharged air contains toxic gases in natural gas, which will pollute the surrounding environment quality, increase the safety hazards of the office environment, and also increase the possibility of endangering the health of the staff;

[0006] 2. When the equipment is in use, it is difficult to ensure the sealing of the connection port when the equipment is connected to the connecting pipe, which may cause natural gas leakage and directly affect the accuracy of the test data. Utility Model Content

[0007] The utility model aims to solve the shortcomings in the prior art and proposes a desulfurization detection device in natural gas purification.

[0008] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0009] A desulfurization detection device in natural gas purification comprises a storage mechanism, a gas transmission device, a recovery device and a detection mechanism, wherein the gas transmission device can be detachably installed on the left side of the storage mechanism, the recovery device can be detachably installed on the right side of the storage mechanism, and the detection mechanism can be detachably installed on the front side of the storage mechanism.

[0010] The storage mechanism includes a gas storage tank, a first connecting pipe, a second connecting pipe, a first thread, a second thread, a first gas check valve, a first stop valve, a detection connecting pipe, a third thread, a second stop valve and a pressure gauge. The left and right ends and the front side of the gas storage tank are respectively fixedly connected with the first connecting pipe, the second connecting pipe and the detection connecting pipe. The ports of the first connecting pipe, the second connecting pipe and the detection connecting pipe are respectively provided with a first thread, a second thread and a third thread. The first gas check valve is detachably installed in the middle of the first connecting pipe, the first stop valve is detachably installed in the middle of the second connecting pipe, the second stop valve is detachably installed in the middle of the detection connecting pipe, and the pressure gauge is fixedly installed on one side of the gas storage tank.

[0011] Preferably, the gas delivery device includes a natural gas main pipeline, an air intake pipe, a first limiting ring, a first ferrule-type threaded joint, a first rubber gasket and a third stop valve. The left end of the air intake pipe is fixedly connected to the right side of the natural gas main pipeline, the right end of the air intake pipe is fixedly installed with a first limiting ring, the first ferrule-type threaded joint is sleeved on the right end of the air intake pipe, the first rubber gasket is placed in the inner cavity of the first ferrule-type threaded joint and fits with the first limiting ring, and the third stop valve is detachably installed in the middle part of the air intake pipe.

[0012] Preferably, a thread groove corresponding to the first thread is formed on the inner wall of the first ferrule-type threaded joint, the first ferrule-type threaded joint is threadedly connected to the left port of the first connecting pipe, and the port diameters of the first limit ring, the first rubber gasket and the first thread are consistent.

[0013] Preferably, the recovery device includes a recovery box, an exhaust pipe, a second limiting ring, a second ferrule-type threaded joint, a second rubber gasket and a second gas check valve. The right end of the exhaust pipe is fixedly connected to the left side of the recovery box, the left end of the exhaust pipe is fixedly installed with a second limiting ring, the second ferrule-type threaded joint is sleeved on the left end of the exhaust pipe, the second rubber gasket is placed in the inner cavity of the second ferrule-type threaded joint and fits with the second limiting ring, and the second gas check valve is detachably installed in the middle of the exhaust pipe.

[0014] Preferably, a thread groove corresponding to the second thread is formed on the inner wall of the second ferrule-type threaded joint, the second ferrule-type threaded joint is threadedly connected to the right port of the second connecting pipe, and the port diameters of the second limit ring, the second rubber gasket and the second thread are consistent.

[0015] Preferably, the detection mechanism includes a detector, a metal hose, a third limiting ring, a third ferrule-type threaded joint and a third rubber gasket. One side of the detector is fixedly connected to the left side of the metal hose, and the right side of the metal hose is fixedly installed with a third limiting ring. The third ferrule-type threaded joint is sleeved on the right end of the metal hose, and the third rubber gasket is placed in the inner cavity of the third ferrule-type threaded joint and fits with the third limiting ring.

[0016] Preferably, a thread groove corresponding to the third thread is formed on the inner wall of the third ferrule-type threaded joint, the third ferrule-type threaded joint is threadedly connected to the left port of the detection connecting pipe, and the port diameters of the third limit ring, the third rubber gasket and the detection connecting pipe are consistent.

[0017] Beneficial Effects

[0018] The utility model provides a desulfurization detection device in natural gas purification. Compared with the prior art, it has the following beneficial effects:

[0019] 1. This is a desulfurization detection device for natural gas purification. The equipment is equipped with a recovery device for the replaced air. After recovery, it is centrally processed, which not only ensures the surrounding air quality, but also eliminates safety hazards at work, and also avoids the damage of the replaced air to the health of the staff;

[0020] 2. A desulfurization detection device for natural gas purification. When the pipelines of the equipment are connected, a threaded groove is opened at the port of the connecting pipe, and a rubber gasket is added between the ports of the connecting pipe and the intake pipe and the exhaust pipe. Then, the connecting pipe, the intake pipe and the exhaust pipe are tightened through a ferrule-type threaded connector, so that the connecting pipe presses the rubber gasket tightly against the ports of the intake pipe and the exhaust pipe, thereby ensuring the sealing of the connection port, which not only avoids the safety hazard of natural gas leakage, but also improves the accuracy of the detection data.

[0021] In summary, the utility model, through the coordinated use of various mechanisms, not only avoids the safety hazard of natural gas leakage, ensures the surrounding air quality, but also avoids the damage to the health of workers by the replaced air, and also improves the accuracy of detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the overall structure of the storage mechanism;

[0025] Figure 3 It is a schematic diagram of the overall structure of the gas transmission device;

[0026] Figure 4 It is a schematic diagram of the overall structure of the recovery device;

[0027] Figure 5 It is a schematic diagram of the overall structure of the testing organization;

[0028] Serial numbers in the figure: 1, storage mechanism; 1001, gas storage tank; 1002, first connecting pipe; 1003, second connecting pipe; 1004, first thread; 1005, second thread; 1006, first gas check valve; 1007, first stop valve; 1008, detection connecting pipe; 1009, third thread; 1010, second stop valve; 1011, pressure gauge; 2, gas transmission device; 2001, natural gas main pipeline; 2002, air inlet pipe; 2003, first limit ring; 2004, The first ferrule-type threaded joint; 2005, the first rubber gasket; 2006, the third stop valve; 3, the recovery device; 3001, the recovery box; 3002, the exhaust pipe; 3003, the second limiting ring; 3004, the second ferrule-type threaded joint; 3005, the second rubber gasket; 3006, the second gas check valve 4, the detection mechanism; 4001, the detector; 4002, the metal hose; 4003, the third limiting ring; 4004, the third ferrule-type threaded joint; 4005, the third rubber gasket. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-5 , the utility model provides a technical solution:

[0031] A desulfurization detection device in natural gas purification comprises a storage mechanism 1, a gas transmission device 2, a recovery device 3 and a detection mechanism 4, wherein the gas transmission device 2 is detachably mounted on the left side of the storage mechanism 1, the recovery device 3 is detachably mounted on the right side of the storage mechanism 1, and the detection mechanism 4 is detachably mounted on the front side of the storage mechanism 1.

[0032] The storage mechanism 1 includes a gas storage tank 1001, a first connecting pipe 1002, a second connecting pipe 1003, a first thread 1004, a second thread 1005, a first gas check valve 1006, a first stop valve 1007, a detection connecting pipe 1008, a third thread 1009, a second stop valve 1010 and a pressure gauge 1011. The left and right ends and the front side of the gas storage tank 1001 are respectively fixedly connected with the first connecting pipe 1002, the second connecting pipe 1003 and the detection connecting pipe 1008, which are respectively used to connect the gas transmission device 2, the recovery device 3 and the detection mechanism 4; the ports of the first connecting pipe 1002, the second connecting pipe 1003 and the detection connecting pipe 1008 are respectively provided with a first thread 1 004, a second thread 1005 and a third thread 1009; a first gas check valve 1006 is detachably installed in the middle of the first connecting pipe 1002, which is used to prevent the gas in the gas tank 1001 from flowing back; a first stop valve 1007 is detachably installed in the middle of the second connecting pipe 1003, which is used to control the gas discharge into the recovery device, and is used to close the gas tank 1001 when detecting the gas; a second stop valve 1010 is detachably installed in the middle of the detection connecting pipe 1008, which is used to control the gas flow into the detection mechanism 4, and is used to close the gas tank 1001 when the equipment replaces the air; a pressure gauge 1011 is fixedly installed on one side of the gas tank 1001, and is used to monitor the air pressure in the gas tank 1001.

[0033] In the utility model, the gas transmission device 2 includes a natural gas main pipeline 2001, an air inlet pipe 2002, a first limiting ring 2003, a first ferrule-type threaded joint 2004, a first rubber gasket 2005 and a third stop valve 2006. The left end of the air inlet pipe 2002 is fixedly connected to the right side of the natural gas main pipeline 2001, and the right end of the air inlet pipe 2002 is fixedly installed with the first limiting ring 2003. The first ferrule-type threaded joint 2004 is sleeved on the right end of the air inlet pipe 2002. The first limiting ring 2003 is used to prevent the first ferrule-type threaded joint 2004 from falling off; the first rubber gasket 2005 is placed in the inner cavity of the first ferrule-type threaded joint 2004 and fits with the first limiting ring 2003; the third stop valve 2006 is detachably installed in the middle part of the air inlet pipe 2002. When the equipment is in use, the third stop valve 2006 is opened to allow natural gas to flow from the natural gas main pipeline 2001 into the air inlet pipe 2002.

[0034] In the utility model, a thread groove corresponding to the first thread 1004 is formed on the inner wall of the first ferrule-type threaded joint 2004, and the first ferrule-type threaded joint 2004 is threadedly connected to the left port of the first connecting pipe 1002. The port diameters of the first limiting ring 2003, the first rubber gasket 2005 and the first thread 1004 are consistent. When the equipment is in use, the first ferrule-type threaded joint 2004 is tightened to the left port of the first connecting pipe 1002, and the port of the first connecting pipe 1002 tightly presses the first rubber gasket 2005 against the first limiting ring 2003, thereby making the connecting port in a sealed state.

[0035] In the utility model, the recovery device 3 includes a recovery box 3001, an exhaust pipe 3002, a second limiting ring 3003, a second ferrule-type threaded joint 3004, a second rubber gasket 3005 and a second gas check valve 3006. The right end of the exhaust pipe 3002 is fixedly connected to the left side of the recovery box 3001, the left end of the exhaust pipe 3002 is fixedly installed with the second limiting ring 3003, the second ferrule-type threaded joint 3004 is sleeved on the left end of the exhaust pipe 3002, and the second rubber gasket 3005 is placed on the second ferrule-type threaded joint 3004. The inner cavity of the sleeve-type threaded joint 3004 fits with the second limit ring 3003, and the second gas check valve 3006 is detachably installed in the middle of the exhaust pipe 3002. When the equipment replaces the air, the second gas check valve 3006 is opened to discharge the replaced air into the recovery box 3001. At the same time, the second gas check valve 3006 can prevent the replaced air from flowing back. An exhaust port with a valve connected to the recovery box 3001 is provided on the outside of the recovery box 3001 to facilitate centralized treatment of the gas in the recovery box 3001.

[0036] In the utility model, a thread groove corresponding to the second thread 1005 is formed on the inner wall of the second ferrule-type threaded joint 3004, and the second ferrule-type threaded joint 3004 is threadedly connected to the right port of the second connecting pipe 1003. The port diameters of the second limiting ring 3003, the second rubber gasket 3005 and the second thread 1005 are consistent. When the equipment is in use, the second ferrule-type threaded joint 3004 is tightened to the right port of the second connecting pipe 1003, and the port of the second connecting pipe 1003 tightly presses the second rubber gasket 3005 against the second limiting ring 3003, so that the connecting port is in a sealed state.

[0037] In the utility model, the detection mechanism 4 includes a detector 4001, a metal hose 4002, a third limiting ring 4003, a third ferrule-type threaded joint 4004 and a third rubber gasket 4005. One side of the detector 4001 is fixedly connected to the left side of the metal hose 4002, and the third limiting ring 4003 is fixedly installed on the right side of the metal hose 4002. The third ferrule-type threaded joint 4004 is sleeved on the right end of the metal hose 4002, and the third rubber gasket 4005 is placed in the inner cavity of the third ferrule-type threaded joint 4004 and fits with the third limiting ring 4003.

[0038] In the utility model, a thread groove corresponding to the third thread 1009 is formed on the inner wall of the third ferrule-type threaded joint 4004, and the third ferrule-type threaded joint 4004 is threadedly connected to the left port of the detection connecting pipe 1008, and the port diameters of the third limiting ring 4003, the third rubber gasket 4005 and the detection connecting pipe 1008 are consistent. When the equipment is in use, the third ferrule-type threaded joint 4004 is tightened to the right port of the metal hose 4002, and the port of the metal hose 4002 tightly presses the third rubber gasket 4005 against the third limiting ring 4003, thereby making the connection port in a sealed state.

[0039] The utility model uses various mechanisms in coordination. When the equipment replaces air, the third stop valve, the first gas check valve, the first stop valve and the second gas check valve are opened at the same time, and the second stop valve is closed, so that natural gas flows into the gas storage tank through the air intake pipe and the first connecting pipe to replace the air in the gas storage tank, and the first gas check valve can prevent the replaced air in the gas storage tank from flowing back. The replaced air flows into the recovery box through the second connecting pipe and the exhaust pipe. At the same time, the second gas check valve prevents the gas in the recovery box from flowing back into the gas storage tank. The closed second stop valve prevents the replaced air from flowing into the detector, thereby affecting the detection accuracy; after the gas replacement is completed, the first stop valve and the second gas check valve are closed at the same time, so that the gas to be tested remains in the storage tank, and the second stop valve is opened, so that the gas to be tested flows into the detector through the detection connecting pipe and the metal hose to detect the gas; when the detection is completed, all valves are closed to allow the gas to be transported in the natural gas main pipeline.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A desulfurization detection device for natural gas purification, comprising a storage mechanism (1), a gas transmission device (2), a recovery device (3) and a detection mechanism (4), characterized in that: The gas delivery device (2) is detachably mounted on the left side of the storage mechanism (1), the recovery device (3) is detachably mounted on the right side of the storage mechanism (1), and the detection mechanism (4) is detachably mounted on the front side of the storage mechanism (1); The storage mechanism (1) comprises a gas storage tank (1001), a first connecting pipe (1002), a second connecting pipe (1003), a first thread (1004), a second thread (1005), a first gas check valve (1006), a first stop valve (1007), a detection connecting pipe (1008), a third thread (1009), a second stop valve (1010) and a pressure gauge (1011). The left and right ends and the front side of the gas storage tank (1001) are respectively fixedly connected with the first connecting pipe (1002), the second connecting pipe (1003) and the detection connecting pipe (1008). The ports of the connecting pipe (1002), the second connecting pipe (1003) and the detection connecting pipe (1008) are respectively provided with a first thread (1004), a second thread (1005) and a third thread (1009); a first gas check valve (1006) is detachably installed in the middle of the first connecting pipe (1002); a first stop valve (1007) is detachably installed in the middle of the second connecting pipe (1003); a second stop valve (1010) is detachably installed in the middle of the detection connecting pipe (1008); and the pressure gauge (1011) is fixedly installed on one side of the gas storage tank (1001).

2. A desulfurization detection device in natural gas purification according to claim 1, characterized in that: The gas transmission device (2) comprises a natural gas main pipeline (2001), an air intake pipe (2002), a first limiting ring (2003), a first ferrule-type threaded joint (2004), a first rubber gasket (2005) and a third stop valve (2006); the left end of the air intake pipe (2002) is fixedly connected to the right side of the natural gas main pipeline (2001); the right end of the air intake pipe (2002) is fixedly mounted with the first limiting ring (2003); the first ferrule-type threaded joint (2004) is sleeved on the right end of the air intake pipe (2002); the first rubber gasket (2005) is placed in the inner cavity of the first ferrule-type threaded joint (2004) and fits with the first limiting ring (2003); and the third stop valve (2006) is detachably mounted in the middle of the air intake pipe (2002).

3. A desulfurization detection device in natural gas purification according to claim 2, characterized in that: The inner wall of the first ferrule-type threaded joint (2004) is provided with a thread groove corresponding to the first thread (1004); the first ferrule-type threaded joint (2004) is threadedly connected to the left port of the first connecting pipe (1002); and the port diameters of the first limit ring (2003), the first rubber gasket (2005) and the first thread (1004) are consistent.

4. A desulfurization detection device in natural gas purification according to claim 1, characterized in that: The recovery device (3) comprises a recovery box (3001), an exhaust pipe (3002), a second limiting ring (3003), a second ferrule-type threaded joint (3004), a second rubber gasket (3005) and a second gas check valve (3006); the right end of the exhaust pipe (3002) is fixedly connected to the left side of the recovery box (3001); the left end of the exhaust pipe (3002) is fixedly installed with a second limiting ring (3003); the second ferrule-type threaded joint (3004) is sleeved on the left end of the exhaust pipe (3002); the second rubber gasket (3005) is placed in the inner cavity of the second ferrule-type threaded joint (3004) and fits with the second limiting ring (3003); and the second gas check valve (3006) is detachably installed in the middle of the exhaust pipe (3002).

5. A desulfurization detection device in natural gas purification according to claim 4, characterized in that: The inner wall of the second ferrule-type threaded joint (3004) is provided with a thread groove corresponding to the second thread (1005); the second ferrule-type threaded joint (3004) is threadedly connected to the right port of the second connecting pipe (1003); the port diameters of the second limiting ring (3003), the second rubber gasket (3005) and the second thread (1005) are consistent.

6. A desulfurization detection device in natural gas purification according to claim 1, characterized in that: The detection mechanism (4) comprises a detection instrument (4001), a metal hose (4002), a third limiting ring (4003), a third ferrule-type threaded joint (4004) and a third rubber gasket (4005); one side of the detection instrument (4001) is fixedly connected to the left side of the metal hose (4002); the right side of the metal hose (4002) is fixedly installed with a third limiting ring (4003); the third ferrule-type threaded joint (4004) is sleeved on the right end of the metal hose (4002); and the third rubber gasket (4005) is placed in the inner cavity of the third ferrule-type threaded joint (4004) and fits with the third limiting ring (4003).

7. A desulfurization detection device in natural gas purification according to claim 6, characterized in that: The inner wall of the third ferrule-type threaded joint (4004) is provided with a thread groove corresponding to the third thread (1009); the third ferrule-type threaded joint (4004) is threadedly connected to the left port of the detection connecting tube (1008); the port diameters of the third limiting ring (4003), the third rubber gasket (4005) and the detection connecting tube (1008) are consistent.

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