Waste gas sampling device for industrial waste gas detection

Abstract

The utility model relates to the technical field of gas sampling and detection, and discloses a waste gas sampling device for industrial waste gas detection, which comprises a sampling mechanism, a discharge mechanism is arranged outside the sampling mechanism, the sampling mechanism comprises a sampling barrel, a leak hole is formed in the top of the sampling barrel, a pull rod is arranged in the leak hole, and the pull rod is connected with the discharge mechanism. A connecting plate is mounted at the bottom of the pull rod, a mounting groove is formed in the outer surface of the connecting plate, a rubber ring is sleeved with the mounting groove, and a placement assembly is arranged at the bottom of the sampling barrel. According to the waste gas sampling device for industrial waste gas detection, when waste gas in a factory waste gas discharge pipe is sampled, a vent pipe of a discharge mechanism is connected to the waste gas discharge pipe, a pull rod is pulled, so that a connecting plate is lifted in a sampling barrel, the waste gas in the discharge pipe is extracted into the sampling barrel to be stored, and the effect of sampling and storing the waste gas is achieved; the device is high in waste gas sampling efficiency and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of gas sampling detection, in particular to a waste gas sampling device for industrial waste gas detection. Background Art

[0002] With the continuous development and progress of my country's industry, industrial kilns, stoves, auxiliary processing equipment, garbage incinerators and motor vehicles will cause waste gas emissions. When conducting waste gas emission tests and analyses, a certain amount of gas must be extracted from the exhaust gas through a specific sampling device and sent to the exhaust gas analyzer for analysis and calculation to determine whether the waste gas emissions meet the relevant standard requirements.

[0003] When testing the exhaust gas, a sampling device is needed to store the gas, and then send it to the testing laboratory and discharge it into the testing instrument for testing. The existing sampling device is slow when sampling the exhaust gas, which reduces the work efficiency. It can be seen that we urgently need a waste gas sampling device for industrial waste gas detection to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a waste gas sampling device for industrial waste gas detection to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an exhaust gas sampling device for industrial exhaust gas detection, comprising a sampling mechanism, wherein an emission mechanism is arranged outside the sampling mechanism.

[0006] The sampling mechanism includes a sampling barrel, a leakage hole is provided at the top of the sampling barrel, a pulling rod is provided inside the leakage hole, a connecting plate is installed at the bottom of the pulling rod, a mounting groove is provided on the outer surface of the connecting plate, a rubber ring is sleeved inside the mounting groove, and a placement component is provided at the bottom of the sampling barrel.

[0007] Preferably, the placement assembly comprises a support block, and a placement hole is formed on the outer surface of the support block.

[0008] Preferably, the connecting plate is arranged inside the sampling cylinder, and the outer surface of the rubber ring is fitted on the inner wall of the sampling cylinder.

[0009] Preferably, a threaded hole is formed at the top of the connecting plate, and a fastening bolt is threadedly connected to the inner part of the threaded hole. The fastening bolt passes through the connecting plate and extends to the inside of the pulling rod.

[0010] Preferably, the discharge mechanism comprises a vent pipe, the outer surface of which is provided with holes, a closing plate is provided inside the vent pipe, a connecting column is fixedly mounted on the top of the closing plate, and a rotating valve is provided on the top of the connecting column.

[0011] Preferably, the ventilation tube is installed at the bottom of the sampling cylinder, and the connecting column is arranged inside the hole.

[0012] Preferably, two ventilation pipes are provided, and the two ventilation pipes are located at the bottom of the sampling cylinder and are symmetrically distributed.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] First, when the utility model samples the exhaust gas in the factory exhaust pipe, the ventilation pipe of the exhaust mechanism is connected to the exhaust pipe, and the pulling rod is pulled to raise the connecting plate in the sampling tube, and the exhaust gas in the exhaust pipe is extracted into the sampling tube for storage, thereby achieving the effect of sampling and storing the exhaust gas. The device has high exhaust gas sampling efficiency and is easy to operate.

[0015] Second, when the utility model extracts the waste gas, the closing plate is rotated to collect the waste gas through the sampling mechanism and store it in the sampling tube. When the closing plate is closed and the waste gas is discharged into the detection device, the waste gas is discharged into the detection device by opening another ventilation pipe. The two ventilation pipes can avoid contamination at the interface, thereby achieving the effect of collecting and discharging the waste gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional schematic diagram of the pull rod of the structure of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the placement of components of the structure of the utility model;

[0019] Figure 4 It is a schematic cross-sectional view of the structure of the utility model.

[0020] Among them: 1. Sampling mechanism; 101. Sampling tube; 102. Pull rod; 103. Connecting plate; 104. Rubber ring; 2. Discharge mechanism; 201. Ventilation pipe; 202. Closing plate; 203. Connecting column; 204. Rotating valve; 3. Placement assembly; 301. Support block; 302. Placement hole; 4. Fastening bolts. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides the following technical solutions:

[0023] Embodiment 1

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A waste gas sampling device for industrial waste gas detection includes a sampling mechanism 1, and a discharge mechanism 2 is arranged outside the sampling mechanism 1.

[0025] The sampling mechanism 1 includes a sampling tube 101, a leakage hole is provided at the top of the sampling tube 101, a pulling rod 102 is provided inside the leakage hole, a connecting plate 103 is installed at the bottom of the pulling rod 102, a mounting groove is provided on the outer surface of the connecting plate 103, a rubber ring 104 is sleeved inside the mounting groove, and a placement component 3 is provided at the bottom of the sampling tube 101.

[0026] The placement assembly 3 includes a support block 301 , and a placement hole 302 is formed on the outer surface of the support block 301 .

[0027] The connecting plate 103 is disposed inside the sampling tube 101 , and the outer surface of the rubber ring 104 is attached to the inner wall of the sampling tube 101 .

[0028] A threaded hole is formed on the top of the connecting plate 103 , and a fastening bolt 4 is threadedly connected to the inside of the threaded hole. The fastening bolt 4 penetrates the connecting plate 103 and extends to the inside of the pulling rod 102 .

[0029] Through the above technical solution, when sampling the exhaust gas discharged from the factory, the sampling mechanism 1 can collect and store the exhaust gas, and conveniently send it to the laboratory detection device for detection. The discharge mechanism 2 can store the exhaust gas in the sampling cylinder 101, and discharge the exhaust gas to the detection device for detection. A support block 301 is fixedly installed at the bottom of the sampling cylinder 101, and the sampling cylinder 101 can be placed. A leakage hole is opened at the top of the sampling cylinder 101, so that the bottom of the pull rod 102 passes through the leakage hole and extends into the sampling cylinder 101, and the fastening bolt 4 is threadedly connected to the connecting plate 103 and extends into the pull rod 102. The connecting plate 103 is fixedly installed at the bottom of the pulling rod 102, and an installation groove is opened on the outer surface of the connecting plate 103, so that the rubber ring 104 can be sleeved in the installation groove on the connecting plate 103, and the rubber ring 104 fits inside the sampling tube 101. When sampling the exhaust gas in the factory exhaust pipe, it is connected to the exhaust pipe through the ventilation pipe 201 of the discharge mechanism 2, and the pulling rod 102 is pulled to make the connecting plate 103 rise in the sampling tube 101, and the exhaust gas in the exhaust pipe is extracted and stored in the sampling tube 101, so as to achieve the effect of sampling and storing the exhaust gas. The device has high exhaust gas sampling efficiency and is easy to operate.

[0030] Embodiment 2

[0031] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 On the basis of the first embodiment, it is further obtained that the discharge mechanism 2 includes a vent pipe 201, the outer surface of the vent pipe 201 is provided with holes, a closing plate 202 is arranged inside the vent pipe 201, a connecting column 203 is fixedly installed on the top of the closing plate 202, and a rotating valve 204 is arranged on the top of the connecting column 203.

[0032] The ventilation tube 201 is installed at the bottom of the sampling tube 101, and the connecting column 203 is arranged inside the hole.

[0033] Two ventilation pipes 201 are provided, and the two ventilation pipes 201 are located at the bottom of the sampling tube 101 and are symmetrically distributed.

[0034] Through the above technical solution, when the exhaust gas is collected into the sampling tube 101, a vent pipe 201 is installed and connected at the bottom of the sampling tube 101, and the vent pipe 201 is snap-fitted into the placement hole 302 opened in the support block 301. A closing plate 202 is arranged inside the vent pipe 201, and a connecting column 203 at the top of the closing plate 202 passes through the hole on the vent pipe 201, so that the rotary valve 204 can be connected and fixed to the top of the connecting column 203 outside the vent pipe 201. The rotating valve 204 can make the closing plate 202 close the ventilation pipe 201. When the exhaust gas is extracted, the closing plate 202 is rotated to collect the exhaust gas through the sampling mechanism 1 and store it in the sampling tube 101. When the closing plate 202 is closed and the exhaust gas is discharged into the detection device, the exhaust gas is discharged into the detection device by opening another ventilation pipe 201. The two ventilation pipes 201 can avoid contamination at the interface, thereby achieving the effect of collecting and discharging the exhaust gas.

[0035] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A waste gas sampling device for industrial waste gas detection, comprising a sampling mechanism (1), characterized in that: A discharge mechanism (2) is arranged outside the sampling mechanism (1); The sampling mechanism (1) comprises a sampling tube (101), a leakage hole is provided at the top of the sampling tube (101), a pulling rod (102) is provided inside the leakage hole, a connecting plate (103) is installed at the bottom of the pulling rod (102), a mounting groove is provided on the outer surface of the connecting plate (103), a rubber ring (104) is sleeved inside the mounting groove, and a placement component (3) is provided at the bottom of the sampling tube (101).

2. The exhaust gas sampling device for industrial exhaust gas detection according to claim 1, characterized in that: The placement assembly (3) comprises a support block (301), and a placement hole (302) is provided on the outer surface of the support block (301).

3. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: The connecting plate (103) is arranged inside the sampling tube (101), and the outer surface of the rubber ring (104) is fitted on the inner wall of the sampling tube (101).

4. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: A threaded hole is provided at the top of the connection plate (103), and a fastening bolt (4) is threadedly connected inside the threaded hole. The fastening bolt (4) passes through the connection plate (103) and extends to the inside of the pulling rod (102).

5. The waste gas sampling device for industrial waste gas detection according to claim 1, characterized in that: The discharge mechanism (2) comprises a vent pipe (201), the outer surface of which is provided with holes, a closing plate (202) is arranged inside the vent pipe (201), a connecting column (203) is fixedly mounted on the top of the closing plate (202), and a rotating valve (204) is arranged on the top of the connecting column (203).

6. The waste gas sampling device for industrial waste gas detection according to claim 5, characterized in that: The ventilation tube (201) is installed at the bottom of the sampling tube (101), and the connecting column (203) is arranged inside the hole.

7. The waste gas sampling device for industrial waste gas detection according to claim 5, characterized in that: Two ventilation pipes (201) are provided, and the two ventilation pipes (201) are located at the bottom of the sampling cylinder (101) and are symmetrically distributed.

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