Waste gas sample collecting device

Abstract

The utility model discloses a waste gas sample collecting device, which belongs to the field of waste gas treatment and comprises a waste gas pipe and a sampling structure mounted on the outer surface of the waste gas pipe, and the sampling structure comprises an adjusting mechanism and a connecting threaded pipe mounted at the bottom end of the adjusting mechanism. In order to solve the problems that a sampling structure is installed on the outer surface of an external threaded pipe, the position of the sampling structure is fixed, a handle plate is held by hand and pushed, an arranged rubber wafer makes contact with a push rod, waste gas leakage is avoided, the handle plate is rotated, and the sampling structure is fixed to the outer surface of the external threaded pipe. And a magnet frame and a threaded plug are rotated out from the interior of an external threaded pipe, at the moment, waste gas in a waste gas pipe is discharged into a connecting pipe through the external threaded pipe, an air extracting pump extracts air in a pipe body, waste gas in the connecting pipe flows into the pipe body through the connecting threaded pipe and an internal threaded pipe, and the waste gas is collected.

Description

Technical Field

[0001] The utility model relates to the field of waste gas treatment, and more specifically, to a waste gas sample collection device. Background Art

[0002] There are strict regulations on the waste gas emission standards of enterprises, and they must meet the emission standards before they can be discharged. At this time, various waste gas sampling devices are needed to collect the waste gas emitted by enterprises and conduct inspections. In the literature with the publication number CN211576699U, a waste gas sample collection device is proposed. It uses multiple sampling heads, and the sampling tube can rotate, so that the waste gas at different depths and positions in the waste gas passage can be collected, and the waste gas collection is uniform. When the above waste gas collection device is used, the rotatable sampling tube is used to collect the waste gas. However, in actual use, the waste gas collection device needs to be placed in the waste gas pipe. When the waste gas pipe is opened, the waste gas in the pipe will overflow, and the leaked waste gas will affect the health of the operator to a certain extent, and the use safety is relatively low. Summary of the Invention

[0003] The purpose of the utility model is to overcome the problem in the prior art that when the waste gas collection device needs to be placed in the waste gas pipe and the waste gas pipe is opened, the waste gas in the pipe will overflow, and the leaked waste gas will affect the health of the operator to a certain extent, and the use safety is relatively low. A waste gas sample collection device is provided to solve the above deficiencies and facilitate use.

[0004] To achieve the above object, the technical solution provided by the utility model is as follows:

[0005] A waste gas sample collection device of the utility model includes a waste gas pipe and a sampling structure installed on the outer surface of the waste gas pipe. An external threaded pipe is penetrated and installed on the outer surface of the waste gas pipe, a threaded plug is installed inside the external threaded pipe by thread, and a magnet holder is installed on one side of the threaded plug;

[0006] The sampling structure includes an adjustment mechanism and a connecting threaded pipe installed at the bottom end of the adjustment mechanism, and a sample tube mechanism is installed at the bottom end of the connecting threaded pipe.

[0007] Preferably, the adjustment mechanism includes a connecting pipe and a connecting threaded groove installed on the inner wall of one end of the connecting pipe. A pipe hole is penetrated and opened at the other end of the connecting pipe. A support bar is installed inside the connecting pipe and close to the pipe hole. A rubber disc is installed on the outer surface of the support bar and close to the pipe hole. A rod hole is penetrated through the middle end of the rubber disc.

[0008] Preferably, a push rod is slidably installed inside the rod hole. A handle plate is installed at one end of the push rod and on one side of the connecting pipe. An inner moving plate is installed at one end of the push rod and inside the connecting pipe. A plug post is installed at one end of the inner moving plate. A magnet frame is installed at one end of the plug post.

[0009] Preferably, a sample hole is formed at the bottom end of the connecting pipe, and the top end of the connecting threaded pipe is installed inside the sample hole.

[0010] Preferably, the sample tube mechanism includes a tube body and a solenoid valve installed at the air inlet end of the tube body. The other end of the solenoid valve is installed with an internal threaded pipe, and the other end of the internal threaded pipe is threadedly connected inside the connecting threaded pipe.

[0011] Preferably, an air pump is installed at the bottom end of the tube body, and the air extraction end of the air pump communicates with the inside of the tube body.

[0012] Adopting the technical solution provided by the present utility model, compared with the prior art, it has the following beneficial effects:

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] (1) For an exhaust gas sample collection device of the present utility model, when the sampling structure samples the exhaust gas inside the exhaust pipe through the arranged rubber disc, magnet frame and magnet rack, the sampling structure is installed on the outer surface of the external threaded pipe to fix the position of the sampling structure. Hold and push the handle plate, and the push rod moves from inside the rod hole. The arranged rubber disc contacts the push rod to prevent exhaust gas leakage. After the plug post enters the inside of the external threaded pipe, rotate the handle plate so that the magnet frame aligns with the magnet rack, continue to push the handle plate so that the magnet frame is connected to the magnet rack, and rotate the handle plate so that the magnet rack and the threaded plug are turned out from the inside of the external threaded pipe. At this time, the exhaust gas inside the exhaust pipe is discharged into the inside of the connecting pipe through the external threaded pipe.

[0015] (2) For an exhaust gas sample collection device of the present utility model, through the arranged threaded plug, air pump and solenoid valve, during formal sampling, start the air pump and the solenoid valve. The air pump will extract the air inside the tube body, and the exhaust gas inside the connecting pipe flows into the inside of the tube body through the connecting threaded pipe and the internal threaded pipe to collect the exhaust gas. After sampling is completed, push and rotate the handle plate so that the threaded plug is threadedly connected inside the external threaded pipe to block the exhaust hole on the outer surface of the exhaust pipe. The air pump stops operating and the solenoid valve is closed. Rotate the sample tube mechanism, and the sample tube mechanism can be removed, which is convenient for sampling exhaust gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall structure diagram of the present utility model;

[0017] Figure 2 is the structure diagram of the adjustment mechanism of the present utility model;

[0018] Figure 3 is the structure diagram of the connecting pipe of the present utility model;

[0019] Figure 4Structural diagram of the push rod of the present utility model;

[0020] Figure 5 Structural diagram of the sample tube mechanism of the present utility model.

[0021] In the figure: 1, exhaust gas pipe; 11, external threaded pipe; 12, threaded plug; 13, magnet holder; 2, sampling structure; 21, adjustment mechanism; 211, connecting pipe; 2111, rubber disc; 2112, rod hole; 2113, support bar; 212, connecting thread groove; 213, sample hole; 214, pipe hole; 215, handle plate; 216, push rod; 2161, inner moving plate; 2162, inserting column; 2163, magnet frame; 22, sample tube mechanism; 221, tube body; 222, solenoid valve; 223, internal threaded pipe; 224, air extraction pump; 23, connecting threaded pipe. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] To further understand the content of the present utility model, the present utility model will be described in detail with reference to the accompanying drawings.

[0024] Combined with Figure 1 , an exhaust gas sample collection device, including an exhaust gas pipe 1 and a sampling structure 2 installed on the outer surface of the exhaust gas pipe 1. An external threaded pipe 11 is installed through the outer surface of the exhaust gas pipe 1, a threaded plug 12 is installed internally threaded in the external threaded pipe 11, and a magnet holder 13 is installed on one side of the threaded plug 12.

[0025] Next, the present utility model will be further described with reference to the embodiments.

[0026] Combined with Figures 2 - 5, the sampling structure 2 includes an adjustment mechanism 21 and a connecting threaded pipe 23 installed at the bottom end of the adjustment mechanism 21. A sampling tube mechanism 22 is installed at the bottom end of the connecting threaded pipe 23. The adjustment mechanism 21 includes a connecting pipe 211 and a connecting threaded groove 212 installed on the inner wall of one end of the connecting pipe 211. A pipe hole 214 is penetrated and opened at the other end of the connecting pipe 211. A support bar 2113 is installed inside the connecting pipe 211 and on one side close to the pipe hole 214. A rubber disc 2111 is installed on the outer surface of the support bar 2113 and on one side close to the pipe hole 214. A rod hole 2112 is penetrated and opened in the middle of the rubber disc 2111. A push rod 216 is slidably installed inside the rod hole 2112. A handle plate 215 is installed at one end of the push rod 216 and on one side of the connecting pipe 211. An inner moving plate 2161 is installed at one end of the push rod 216 and inside the connecting pipe 211. A plug post 2162 is installed at one end of the inner moving plate 2161. A magnet frame 2163 is installed at one end of the plug post 2162. A sampling hole 213 is opened at the bottom end of the connecting pipe 211, and the top end of the connecting threaded pipe 23 is installed inside the sampling hole 213. The sampling tube mechanism 22 includes a tube body 221 and a solenoid valve 222 installed at the air inlet end of the tube body 221. The other end of the solenoid valve 222 is installed with an internal threaded pipe 223, and the other end of the internal threaded pipe 223 is threadedly connected inside the connecting threaded pipe 23. An air extraction pump 224 is installed at the bottom end of the tube body 221, and the air extraction end of the air extraction pump 224 is communicated with the inside of the tube body 221.

[0027] In this embodiment: When the sampling structure 2 samples the waste gas inside the waste gas pipe 1, hold and rotate the connecting pipe 211. One end of the connecting pipe 211 with a connecting thread groove 212 is threadedly connected to the outer surface of the external thread pipe 11, and the sampling structure 2 is installed on the outer surface of the external thread pipe 11 to fix the position of the sampling structure 2. Hold and push the handle plate 215, and the push rod 216 moves from inside the rod hole 2112. The provided rubber disc 2111 contacts the push rod 216 to prevent waste gas leakage. The inner moving plate 2161 is pushed by the push rod 216 towards one side of the waste gas pipe 1. When the insertion post 2162 enters the inside of the external thread pipe 11, rotate the handle plate 215 so that the magnet frame 2163 aligns with the magnet rack 13. Continue to push the handle plate 215 so that the magnet frame 2163 is connected to the magnet rack 13. Rotate the handle plate 215 so that the magnet rack 13 and the threaded plug 12 are rotated out of the inside of the external thread pipe 11. At this time, the waste gas inside the waste gas pipe 1 is discharged through the external thread pipe 11 into the inside of the connecting pipe 211. When officially sampling, start the air extraction pump 224 and the solenoid valve 222. The air extraction pump 224 will extract the air inside the pipe body 221. The waste gas inside the connecting pipe 211 flows through the connecting thread pipe 23 and the internal thread pipe 223 into the inside of the pipe body 221 to collect the waste gas. After sampling, push and rotate the handle plate 215 so that the threaded plug 12 is threadedly connected to the inside of the external thread pipe 11 to block the exhaust hole on the outer surface of the waste gas pipe 1. The air extraction pump 224 stops operating, and the solenoid valve 222 is closed. Rotate the sample tube mechanism 22, and the sample tube mechanism 22 can be removed to facilitate sampling of the waste gas.

[0028] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust gas sample collection device, comprising an exhaust gas pipe (1) and a sampling structure (2) installed on the outer surface of the exhaust gas pipe (1), characterized in that: The outer surface of the exhaust gas pipe (1) is penetrated and installed with an external threaded pipe (11), the internal thread of the external threaded pipe (11) is installed with a threaded plug (12), and a magnet holder (13) is installed on one side of the threaded plug (12); The sampling structure (2) includes an adjustment mechanism (21) and a connecting threaded pipe (23) installed at the bottom end of the adjustment mechanism (21), and a sample pipe mechanism (22) is installed at the bottom end of the connecting threaded pipe (23).

2. The exhaust gas sample collection device according to claim 1, characterized in that: The adjustment mechanism (21) includes a connecting pipe (211) and a connecting threaded groove (212) installed on the inner wall of one end of the connecting pipe (211). A pipe hole (214) is penetrated and opened at the other end of the connecting pipe (211). A support bar (2113) is installed inside the connecting pipe (211) and on one side close to the pipe hole (214). A rubber disc (2111) is installed on the outer surface of the support bar (2113) and on one side close to the pipe hole (214). A rod hole (2112) is penetrated and opened in the middle of the rubber disc (2111).

3. The exhaust gas sample collection device according to claim 2, characterized in that: A push rod (216) is slidably installed inside the rod hole (2112). A handle plate (215) is installed at one end of the push rod (216) and on one side of the connecting pipe (211). An inner moving plate (2161) is installed at one end of the push rod (216) and inside the connecting pipe (211). A plug post (2162) is installed at one end of the inner moving plate (2161). A magnet frame (2163) is installed at one end of the plug post (2162).

4. The exhaust gas sample collection device according to claim 3, wherein: A sample hole (213) is opened at the bottom end of the connecting pipe (211), and the top end of the connecting threaded pipe (23) is installed inside the sample hole (213).

5. An exhaust gas sample collection device according to claim 4, characterized in that: The sample pipe mechanism (22) includes a pipe body (221) and an electromagnetic valve (222) installed at the air inlet end of the pipe body (221). The other end of the electromagnetic valve (222) is installed with an internal threaded pipe (223), and the other end of the internal threaded pipe (223) is threadedly connected inside the connecting threaded pipe (23).

6. The exhaust gas sample collection device according to claim 5, characterized in that: An air extraction pump (224) is installed at the bottom end of the pipe body (221), and the air extraction end of the air extraction pump (224) is communicated with the inside of the pipe body (221).

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