Gas sampling and collecting device suitable for air pollution traceability

Abstract

The utility model relates to the technical field of gas sampling, in particular to a gas sampling and collecting device suitable for air pollution traceability. In order to solve the problems that a detection head is easily polluted by gases from different sources in the collection process of the existing gas sampling and collecting device, and the detection of other collected gases is influenced, the following technical scheme is provided: the gas sampling and collecting device comprises a gas detection instrument, a movable seat convenient for collecting gas is arranged at the top of the gas detection instrument, a limiting rotating ring convenient for assisting the movable seat to rotate sleeves the surface of an outer ring of the movable seat, and a limiting lantern ring for preventing the movable seat from being separated from the gas detection instrument sleeves the surface of an outer ring of the gas detection instrument. According to the utility model, various gases are collected, and are prevented from being mixed in the detection process to influence the accuracy of the detection result, and the gases can be discharged after being filtered, so that secondary pollution to the environment is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling, in particular to a gas sampling and collecting device suitable for tracing the source of air pollution. Background Art

[0002] Tracing the source of air pollution is one of the important tasks in the field of environmental protection. Understanding the source and transmission path of pollutants is crucial for taking targeted emission reduction measures and formulating effective environmental policies. Nowadays, the atmosphere is usually sampled through a gas sampling and collection device, and the gas is detected and analyzed through a gas analyzer, and the data is provided to facilitate the staff to trace the pollutants in the gas, which is conducive to subsequent air improvement.

[0003] During the collection process, the gas sampling and collection device can easily cause the detection head to be contaminated by gases from different sources, affecting the detection of other collected gases. In view of this, we propose a gas sampling and collection device suitable for tracing the source of atmospheric pollution. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and to provide a gas sampling and collecting device suitable for tracing the source of air pollution.

[0005] The technical solution of the utility model is as follows: a gas sampling and collecting device suitable for tracing the source of air pollution, comprising a gas detection instrument, a movable seat for collecting gas is arranged at the top of the gas detection instrument, a limit swivel for assisting the rotation of the movable seat is sleeved on the outer ring surface of the movable seat, a limit collar for preventing the movable seat from being separated from the gas detection instrument is sleeved on the outer ring surface of the gas detection instrument, a positioning component for positioning the limit swivel is installed on one side wall of the limit collar, a bracket is installed on the top wall of the limit collar, an air pump for sampling gas is installed on the top wall of the bracket, a sealing limit ring is arranged at the air outlet end of the air pump, a filter assembly for filtering gas is arranged on the movable seat, a cavity and a processing cavity for classifying and collecting gas are opened in the movable seat, a plurality of the cavities are provided with solenoid valves, and the air outlet ends of the plurality of the solenoid valves are connected with conduits for guiding gas to the processing cavity, and a disinfection wiping cotton for cleaning the detection end of the gas detection instrument is connected to the bottom wall of the movable seat.

[0006] Preferably, the limiting swivel is arranged in the anti-slip groove in the limiting collar, a positioning groove is provided on the outer surface wall of the limiting swivel, and a receiving groove is provided on one side wall of the anti-slip groove of the limiting collar.

[0007] Preferably, the positioning assembly comprises a positioning rod, the positioning rod is in an I-shape, and the anti-slip end of the positioning rod is arranged in a positioning groove corresponding to the position.

[0008] Preferably, a spring is connected to the side wall of the pulling end of the positioning rod, and the other end of the spring is connected to the outer ring surface wall of the limiting collar.

[0009] Preferably, openings are provided on the top wall and the bottom wall of the movable seat, a limit rotation groove is provided on the top wall of the movable seat, and the sealing limit ring is arranged in the limit rotation groove.

[0010] Preferably, the filter assembly comprises a sealing plate, the bottom wall of the sealing plate is connected with an externally threaded barrel, the externally threaded barrel is filled with a filter element, and the top wall of the sealing plate is provided with a drain pipe and a handle.

[0011] Preferably, a thread is provided on the inner surface wall of the processing chamber, the external thread barrel is provided in the processing chamber, and the external thread barrel is installed in the processing chamber through the thread.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] The utility model arranges multiple cavities in the movable seat, which facilitates the collection of different gas sources, completes sampling, and cooperates with the gas detection instrument to realize gas detection. At the same time, with the cooperation of the limit swivel and the limit sleeve, the movable seat can be rotated to change the cavity to be detected, and in the process of rotation, the detection end of the gas detection instrument can be wiped and cleaned by the setting of multiple disinfection wipes to avoid affecting the detection of gases from different sampling sources, so as to prevent the accuracy of the detection result from being reduced. At the same time, under the setting of the positioning component, the adjusted movable seat can be positioned to avoid movement during the detection process. Then, through the setting of the filtering component, the gas after the detection can be filtered and discharged to avoid direct discharge causing secondary pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front cross-sectional structure of a gas sampling and collecting device suitable for tracing the source of air pollution;

[0015] Figure 2 yes Figure 1 A schematic diagram of the front view of the cutaway structure of the middle limit collar and the limit swivel;

[0016] Figure 3 yes Figure 1 An isometric three-dimensional structural diagram of the central positioning assembly;

[0017] Figure 4 yes Figure 1Schematic diagram of the bottom structure of the middle movable seat.

[0018] Figure numerals: 1. gas detection instrument; 2. movable seat; 3. limit ring; 4. limit swivel; 5. positioning assembly; 51. positioning rod; 52. spring; 6. air pump; 7. bracket; 8. sealing limit ring; 9. filter assembly; 91. sealing plate; 92. external threaded cylinder; 93. filter element; 94. drain pipe; 95. handle; 10. solenoid valve; 11. catheter; 12. disinfectant wipe cotton. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Example

[0020] like Figure 1-4 As shown, the utility model proposes a gas sampling and collecting device suitable for tracing the source of air pollution, including a gas detection instrument 1, a movable seat 2 is arranged at the top of the gas detection instrument 1, and the cavities opened in the movable seat 2 are distributed in a ring array, and the bottom opening of one of the cavities corresponds to the detection end position of the gas detection instrument 1 and is in a connected state, so that it is convenient to detect the gas collected in the cavity of the movable seat 2 under the setting of the gas detection instrument 1, so as to facilitate the staff to analyze the pollution source in the gas; the limiting ring 3 is fixedly sleeved on the outer ring surface of the gas detection instrument 1, and the limiting swivel 4 is fixedly sleeved on the outer ring surface of the movable seat 2, and the limiting swivel 4 is arranged It is placed in the anti-slip groove opened in the limiting ring 3, and through the cooperation between the limiting swivel ring 4 and the limiting ring 3, the movable seat 2 can be rotated without separating from the gas detection instrument 1, which is beneficial to adjust the position of the cavity according to the detection requirements, so as to facilitate the detection of different gas samples; multiple disinfected wiping cottons 12 are distributed on the bottom wall of the movable seat 2 in a circular array state. When the movable seat 2 is rotating, the detection end of the gas detection instrument 1 can be wiped by the setting of multiple disinfected wiping cottons 12, so as to achieve the purpose of cleaning and avoid detecting gases that affect sampling in different environments, so as to prevent the accuracy of the detection results from being reduced.

[0021] Furthermore, a positioning assembly 5 is installed on one side wall of the limiting collar 3 for facilitating the positioning of the limiting swivel 4. The positioning assembly 5 includes a positioning rod 51. The positioning rod 51 is in an I-shape. The anti-slip end of the positioning rod 51 is arranged in a positioning groove provided on the outer surface wall of the limiting swivel 4. One end of the spring 52 is connected to the pulling end of the positioning rod 51, and the other end of the spring 52 is connected to the outer surface wall of the limiting collar 3. Since the pulling end of the positioning rod 51 is exposed to the outside, it is convenient for the staff to pull the positioning rod 51. When the positioning rod 51 is pulled, the anti-slip end of the positioning rod 51 can enter the storage groove provided on the wall of the anti-slip groove of the limiting ring 3, thereby releasing the limit of the limiting swivel 4, making it convenient for the staff to rotate and adjust the movable seat 2. When the adjustment is completed, the positioning rod 51 is loosened, so that the positioning rod 51 enters the positioning groove corresponding to the position under the elastic action of the spring 52, completing the positioning of the movable seat 2, and avoiding the movable seat 2 from moving during the gas detection process, which affects the gas detection.

[0022] Furthermore, the bracket 7 is symmetrically arranged in an L-shape, and the bottom wall of the bracket 7 is fixedly connected to the top wall of the limiting ring 3, and the bracket 7 is supported by the limiting ring 3; the air pump 6 is fixedly installed on the top wall of the bracket 7, and a first through hole is opened on the top wall of the bracket 7, and a second through hole is opened on the sealing limiting ring 8, and the positions of the first through hole and the second through hole correspond to each other, and the air outlet end of the air pump 6 passes through the first through hole and is arranged in the second through hole; the sealing limiting ring 8 is arranged in the limiting rotating groove opened on the top of the movable seat 2, which is used to block the top openings of multiple cavities to avoid mixing of gases therein and affect classification and collection, and the air pump 6 is used to inject gas samples collected under different environments into different cavities to facilitate subsequent detection.

[0023] Furthermore, a filter assembly 9 is installed on the movable seat 2 for filtering the gas. The filter assembly 9 includes a sealing plate 91, which is located at the top wall of the movable seat 2. An externally threaded barrel 92 is fixedly installed on the bottom wall of the sealing plate 91 and is arranged in a processing chamber opened on the movable seat 2 and cooperates with the threads in the processing chamber to fix the sealing plate 91. A filter element 93 is filled in the externally threaded barrel 92, and a drain pipe 94 is fixedly installed in the middle opening of the sealing plate 91 and is connected to the inside of the externally threaded barrel 92. A handle 95 is installed at the top of the sealing plate 91 to facilitate the user to rotate the externally threaded barrel 92. The threaded barrel 92 is disassembled; multiple conduits 11 and multiple solenoid valves 10 are distributed in a circular array in the movable seat 2, and the multiple solenoid valves 10 are respectively installed in the cavities corresponding to the positions and are in a connected state with the cavity. One end of the multiple conduits 11 is connected to the air outlet end of the solenoid valve 10, and the other end of the multiple conduits 11 is connected to the inside of the processing chamber, so that when the solenoid valve 10 releases the seal on the cavity, the gas can be guided into the processing chamber through the conduit 11 and filtered through the filter element 93. The filtered gas can be discharged through the exhaust pipe 94 to avoid secondary pollution to the environment caused by direct discharge.

[0024] The above-mentioned specific embodiments are only several preferred embodiments of the present invention. Based on the technical solution of the present invention and the relevant inspiration of the above-mentioned embodiments, those skilled in the art can make various alternative improvements and combinations to the above-mentioned specific embodiments.

Claims

1. A gas sampling and collecting device suitable for tracing the source of air pollution, comprising a gas detection instrument (1), characterized in that: A movable seat (2) is arranged at the top of the gas detection instrument (1) for collecting gas, a limit ring (4) is sleeved on the outer ring surface of the movable seat (2) for assisting the movable seat (2) to rotate, a limit ring (3) is sleeved on the outer ring surface of the gas detection instrument (1) for preventing the movable seat (2) from detaching from the gas detection instrument (1), a positioning component (5) is installed on one side wall of the limit ring (3) for locating the limit ring (4), a bracket (7) is installed on the top wall of the limit ring (3), and a bracket (7) is installed on the top wall of the bracket (7) for locating the limit ring (4). An air pump (6) for sampling gas, wherein a sealing limit ring (8) is arranged at the air outlet end of the air pump (6), a filter assembly (9) for filtering gas is installed on the movable seat (2), a cavity and a processing cavity for classifying and collecting gas are provided in the movable seat (2), a plurality of the cavities are provided with solenoid valves (10), and the air outlet ends of the plurality of solenoid valves (10) are connected to a conduit (11) for guiding gas into the processing cavity, and a disinfectant wipe (12) for cleaning the detection end of a gas detection instrument (1) is connected to the bottom wall of the movable seat (2).

2. A gas sampling and collecting device suitable for air pollution source tracing according to claim 1, characterized in that: The limiting swivel (4) is arranged in the anti-slip groove in the limiting collar (3); a positioning groove is provided on the outer surface wall of the limiting swivel (4); and a receiving groove is provided on one side wall of the anti-slip groove of the limiting collar (3).

3. A gas sampling and collecting device suitable for air pollution source tracing according to claim 1, characterized in that: The positioning assembly (5) comprises a positioning rod (51), the positioning rod (51) is in an I-shape, and the anti-slip end of the positioning rod (51) is arranged in a positioning groove corresponding to the position.

4. A gas sampling and collecting device suitable for air pollution source tracing according to claim 3, characterized in that: A spring (52) is connected to the side wall of the pulling end of the positioning rod (51), and the other end of the spring (52) is connected to the outer ring surface wall of the limiting collar (3).

5. A gas sampling and collecting device suitable for air pollution source tracing according to claim 1, characterized in that: The top wall and the bottom wall of the movable seat (2) are both provided with openings, the top wall of the movable seat (2) is provided with a limit rotation groove, and the sealing limit ring (8) is arranged in the limit rotation groove.

6. A gas sampling and collecting device suitable for air pollution source tracing according to claim 1, characterized in that: The filter assembly (9) comprises a sealing plate (91), the bottom wall of the sealing plate (91) is connected to an externally threaded barrel (92), the externally threaded barrel (92) is filled with a filter element (93), and the top wall of the sealing plate (91) is provided with a drain pipe (94) and a handle (95).

7. A gas sampling and collecting device suitable for air pollution source tracing according to claim 6, characterized in that: The inner surface wall of the processing chamber is provided with threads, the externally threaded barrel (92) is arranged in the processing chamber, and the externally threaded barrel (92) is installed in the processing chamber via threads.

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