Pre-processing device of trace hydrogen observation instrument

Abstract

The utility model relates to the technical field of environmental monitoring, and particularly discloses a trace hydrogen observation instrument pre-treatment device which comprises a gas collection mechanism, a gas storage mechanism assembled at the top of the gas collection mechanism, and a trace hydrogen analyzer assembled on one side of the gas storage mechanism, the gas collecting mechanism comprises a fixing disc, a gas collecting pipe is fixedly mounted at the bottom of the fixing disc, and gas inlet holes are formed in the surface of the gas collecting pipe; the gas storage mechanism comprises a gas storage barrel fixedly mounted at the top of the fixed disc, a piston disc is slidably mounted in the gas storage barrel, and a movable rod extending out of the gas storage barrel is fixedly mounted at the top of the piston disc; according to the utility model, the interior of the gas storage barrel can be in a negative pressure state, enough gas can be sucked into the gas storage barrel, the situation that the gas is easy to escape and difficult to collect due to interference of external environmental factors is effectively avoided, and the accuracy of monitoring data of the hydrogen concentration in the gas by the trace hydrogen analyzer is improved.

Description

Technical Field

[0001] This utility model belongs to the field of environmental monitoring technology, specifically relating to a pre-processing device for a trace hydrogen observation instrument. Background Technology

[0002] Trace hydrogen observation plays a vital role in geological exploration and environmental monitoring. As one of the most abundant elements in the Earth's crust, hydrogen's migration, accumulation, and release processes are significant for geological structures, oil and gas resource exploration, groundwater flow, and geological hazard early warning. Trace hydrogen observation instruments, as high-precision and high-sensitivity detection devices, can achieve real-time monitoring of trace hydrogen in the atmosphere, soil, and water bodies.

[0003] However, due to the extremely low concentration of hydrogen in the environment and its susceptibility to various factors such as temperature, humidity, and pressure, the collection of trace hydrogen is quite difficult, which can easily lead to inaccurate monitoring data from trace hydrogen observation instruments. To address this issue, the applicant proposes a pre-processing device for trace hydrogen observation instruments. Utility Model Content

[0004] The purpose of this invention is to provide a pre-processing device for a trace hydrogen monitoring instrument, which can effectively collect and store gases in the soil environment, reduce external interference, and improve the data accuracy of the trace hydrogen monitoring instrument.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A pre-processing device for a trace hydrogen analyzer, comprising:

[0007] A gas collection mechanism and a gas storage mechanism mounted on top of the gas collection mechanism, and a trace hydrogen analyzer mounted on one side of the gas storage mechanism;

[0008] The gas collection mechanism includes a fixed plate, and a gas collection pipe is fixedly installed on the bottom of the fixed plate. An air inlet is provided on the surface of the gas collection pipe.

[0009] The gas storage mechanism includes a gas storage tank fixedly installed on the top of the fixed plate. A piston plate is slidably installed inside the gas storage tank. A movable rod extending out of the gas storage tank is fixedly installed on the top of the piston plate. A sliding sleeve for the movable rod to slide is fixedly installed on the top of the gas storage tank. The sliding sleeve and the movable rod are fixed together by a fixing knob. A connecting pipe is fixedly installed on one side of the gas storage tank. A hose is connected between the connecting pipe and the piston plate.

[0010] Preferably, the bottom of the fixed disc is connected with a rubber ring, the rubber ring is located at the periphery of the gas collecting pipe, the periphery of the gas collecting pipe is connected with a filter film corresponding to the air inlet hole, and the gas storage barrel is in communication with the gas collecting pipe.

[0011] Preferably, the two sides of the fixed disc are fixedly provided with fixed seats, and a spiral cone is rotatably arranged on the fixed seat.

[0012] Preferably, one side of the movable rod is fixedly provided with a handle, and the butt joint pipe is connected with the trace hydrogen analyzer through a connecting pipe.

[0013] Preferably, a switch valve is arranged on the butt joint pipe, and the gas storage barrel is fixedly arranged with the butt joint pipe through a support frame.

[0014] Preferably, a gas vent is arranged on the piston disc, and a sealing seat corresponding to the gas vent is slidably arranged on the piston disc.

[0015] Preferably, the sealing seat and the piston disc are slidably arranged through a sliding rod, and a thrust spring is sleeved on the periphery of the sliding rod.

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

[0017] (1) The utility model discloses a mutual cooperation between the gas collecting mechanism and the gas storage mechanism, the piston disc can be pulled upwards, the gas storage barrel is in a negative pressure state, the gas collecting pipe can suck the gas in the soil into the gas storage barrel for collection, a sufficient amount of gas can be stored in the gas storage barrel through long-time collection, the gas is prevented from escaping due to external environmental factors, and the hydrogen element concentration monitoring data accuracy of the trace hydrogen analyzer is improved.

[0018] (2) The utility model discloses a sliding sleeve on the top of the gas storage barrel, the sliding sleeve and the movable rod are fixed through a fixed knob, the piston disc can be fixed after being pulled upwards by the movable rod, the gas storage barrel can keep a negative pressure state for a long time, the gas collecting pipe can continuously suck the gas in the soil, and the gas collection effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a storage mechanism structure schematic view of the utility model;

[0021] Figure 3 It is a gas collecting pipe cross section structure schematic view of the utility model;

[0022] Figure 4 It is the sectional structure schematic view of the gas storage barrel of the utility model;

[0023] Figure 5 It is the sectional structure schematic view of the piston disc of the utility model;

[0024] In the figure: 1, trace hydrogen analyzer;11, connecting pipe;2, gas storage mechanism;21, gas storage barrel;22, sliding sleeve;23, fixed knob;24, movable rod;25, handle;26, hose;28, on-off valve;27, butt joint pipe;29, support frame;210, piston disc;211, sealing seat;212, sliding rod;213, thrust spring;214, air release port;3, gas collecting mechanism;31, fixed disc;32, fixed seat;33, spiral cone;34, gas collecting pipe;35, filter membrane;36, rubber ring;37, air inlet hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] In the description of the utility model, it should be explained that the positions or location relations indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like are the positions or location relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium;It can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment one:

[0029] Please refer to Figure 1 , Figure 2、 Figure 3 、 Figure 4 and Figure 5 As shown in FIGS. 1-4, a trace hydrogen observation instrument pre-processing device comprises:

[0030] A gas collecting mechanism 3, a gas storage mechanism 2 assembled on the top of the gas collecting mechanism 3, and a trace hydrogen analyzer 1 assembled on one side of the gas storage mechanism 2;

[0031] The gas collecting mechanism 3 comprises a fixed disc 31, and a gas collecting pipe 34 is fixedly installed on the bottom of the fixed disc 31, and a gas inlet hole 37 is formed on the surface of the gas collecting pipe 34;

[0032] The gas storage mechanism 2 comprises a gas storage barrel 21 fixedly installed on the top of the fixed disc 31, a piston disc 210 slidably installed in the gas storage barrel 21, an activity rod 24 fixedly installed on the top of the piston disc 210 and extending out of the gas storage barrel 21, a sliding sleeve 22 fixedly installed on the top of the gas storage barrel 21 and allowing the activity rod 24 to slide, a fixed knob 23 fixed between the sliding sleeve 22 and the activity rod 24, and a butt joint pipe 27 fixedly installed on one side of the gas storage barrel 21 and connected with the piston disc 210 through a hose 26.

[0033] As known from the above, when in use, the observation hole is excavated on the ground, the gas collecting pipe 34 is extended into the observation hole, the fixed disc 31 is fixed to the ground, the trace hydrogen analyzer 1 is placed at a suitable position for use, the piston disc 210 is moved upward by pulling the activity rod 24, the air on the top of the piston disc 210 is discharged, the gas storage barrel 21 is in a negative pressure state, the gas collecting pipe 34 absorbs the gas in the soil around the observation hole, the gas enters the gas collecting pipe 34 through the gas inlet hole 37, and the gas is collected in the gas storage barrel 21, so that the gas is not easily escaped due to the interference of external environmental factors.

[0034] The sliding sleeve 22 and the activity rod 24 are fixed by the fixed knob 23, the piston disc 210 is fixed after being moved upward by pulling the activity rod 24, the gas storage barrel 21 is in a negative pressure state for a long time, the gas collecting pipe 34 continuously absorbs the gas in the soil, the gas collection effect is effectively improved, the gas storage barrel 21 stores enough gas after a long time of collection, the gas in the gas storage barrel 21 is transported to the trace hydrogen analyzer 1 through the butt joint pipe 27 by the hose 26, the hydrogen element concentration in the gas is monitored by the trace hydrogen analyzer 1, and the accuracy of the monitoring data is effectively improved.

[0035] By Figure 3The bottom of the fixed disc 31 is connected with a rubber ring 36, the rubber ring 36 is located at the periphery of the gas collecting pipe 34, the periphery of the gas collecting pipe 34 is connected with a filter film 35 corresponding to the air inlet hole 37, and the gas storage barrel 21 is communicated with the gas collecting pipe 34.

[0036] As can be seen from the above, when the fixed disc 31 is attached to the ground, the rubber ring 36 can be extruded, the sealing effect between the fixed disc 31 and the ground can be improved by using the rubber ring 36, the gas collecting pipe 34 can quickly absorb the gas in the soil, the particles and water in the soil can be intercepted by the filter film 35, and the gas can pass through, so that the soil and water can not enter the gas collecting pipe 34 through the air inlet hole 37.

[0037] Specifically, as shown in Figure 2 and Figure 3 , the two sides of the fixed disc 31 are fixedly installed with fixed seats 32, and the fixed seats 32 are rotatably installed with spiral cones 33.

[0038] As can be seen from the above, the spiral cone 33 can be conveniently drilled into the ground, the fixed disc 31 can be conveniently fixed to the ground, and the device can be conveniently installed and fixed.

[0039] Specifically, as shown in Figure 1 , Figure 2 and Figure 4 , one side of the movable rod 24 is fixedly installed with a handle 25, and the butt joint pipe 27 is connected with the trace hydrogen analyzer 1 through the connecting pipe 11.

[0040] As can be seen from the above, the handle 25 can be used to conveniently drive the movable rod 24 to move up and down, the piston disc 210 can be conveniently slid up and down in the gas storage barrel 21, the butt joint pipe 27 and the trace hydrogen analyzer 1 can be conveniently connected through the connecting pipe 11, and the collected gas can be transported into the trace hydrogen analyzer 1 for analysis.

[0041] Example two:

[0042] As shown in Figure 2 , the butt joint pipe 27 is provided with a switch valve 28, and the gas storage barrel 21 and the butt joint pipe 27 are fixedly installed through the support frame 29.

[0043] As can be seen from the above, the switch valve 28 can be used to conveniently connect and close the butt joint pipe 27, when enough gas is collected in the gas storage barrel 21, the switch valve 28 is opened, and the gas can be conveniently transported into the trace hydrogen analyzer 1.

[0044] As shown in Figure 5 , the piston disc 210 is provided with a gas vent 214, and the piston disc 210 is slidably installed on a sealing seat 211 corresponding to the gas vent 214.

[0045] As can be seen from the above, when the piston disc 210 moves downward, the gas in the gas storage barrel 21 can push the sealing seat 211 to move upward, the sealing seat 211 can be separated from the gas exhaust port 214, the gas in the gas storage barrel 21 can be guided out through the gas exhaust port 214, and the piston disc 210 can move downward smoothly, when the piston disc 210 is operated to move upward, the sealing seat 211 can seal the gas exhaust port 214, the gas storage barrel 21 can be in a negative pressure state, and the gas in the soil can be reabsorbed into the gas storage barrel 21 for collection, so that the gas can be replaced and collected conveniently.

[0046] Reference Figure 5 As shown in the drawings, the sealing seat 211 and the piston disc 210 are slidably installed through the slide rod 212, and the slide rod 212 is surrounded by the thrust spring 213.

[0047] As can be seen from the above, the slide rod 212 can make the sealing seat 211 slide up and down stably, the thrust spring 213 can conveniently apply a thrust force to the slide rod 212, the sealing seat 211 can be tightly sealed to the gas exhaust port 214, and when the gas storage barrel 21 is in a negative pressure state, the situation of gas leakage can be avoided.

[0048] 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, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A trace hydrogen observer pre-processing device, characterized by, The utility model relates to a trace hydrogen analyzer (1) and a trace hydrogen analyzer (1) are equipped to one side of the gas storage mechanism (2) of the gas collecting mechanism (3) and the gas storage mechanism (2) of the gas collecting mechanism (3) top. The bottom of the fixed disc (31) is fixedly installed with a gas collecting pipe (34), and the surface of the gas collecting pipe (34) is provided with an air inlet hole (37). The top of the gas storage barrel (21) is fixedly installed with a sliding sleeve (22) for the sliding of the movable rod (24), and the sliding sleeve (22) and the movable rod (24) are fixed through a fixed knob (23). The bottom of the fixed disc (31) is connected with a rubber ring (36), the rubber ring (36) is located at the periphery of the gas collecting pipe (34), the periphery of the gas collecting pipe (34) is connected with a filter membrane (35) corresponding to the air inlet hole (37), and the gas storage barrel (21) and the gas collecting pipe (34) are communicated.

2. The trace hydrogen observer pre-processing apparatus according to claim 1, characterized by: Both sides of the fixed disc (31) are fixedly installed with a fixed seat (32), and a spiral cone (33) is rotatably installed on the fixed seat (32).

3. The trace hydrogen observer pre-processing device of claim 1, wherein: One side of the movable rod (24) is fixedly installed with a handle (25), and the connecting pipe (11) is connected between the butt joint pipe (27) and the trace hydrogen analyzer (1).

4. The trace hydrogen observer pre-processing apparatus according to claim 1, characterized by: The butt joint pipe (27) is provided with an on-off valve (28), and the gas storage barrel (21) and the butt joint pipe (27) are fixedly installed through a support frame (29).

5. The trace hydrogen observatory pre-processing apparatus of claim 1, wherein: The piston disc (210) is provided with a gas discharge port (214), and the piston disc (210) is slidably installed on a sealing seat (211) corresponding to the gas discharge port (214).

6. The trace hydrogen observatory pre-processing apparatus of claim 1, wherein: The sealing seat (211) and the piston disc (210) are slidably installed through a sliding rod (212), and the sliding rod (212) is sleeved with a thrust spring (213).

7. A trace hydrogen observatory pre-processing apparatus according to claim 6, characterized in that: ​

Images