Pipeline industrial waste gas dynamic sampling mechanism

Abstract

The utility model discloses a pipeline industrial waste gas dynamic sampling mechanism, which relates to the technical field of waste gas collection, and comprises a sleeve, a gas inlet pipe and a gas outlet pipe, the communicating pipe is mounted on the upper side of the sleeve, and an electromagnetic valve and a fixing frame are sequentially mounted in the communicating pipe from bottom to top; the communicating assembly is installed in the fixing frame, and the bottom of the communicating assembly is arranged on the outer side of an air outlet of the electromagnetic valve; the accessory box is mounted at the top end of the communicating pipe, an inner box is mounted in the accessory box, and a rotating mechanism is mounted on one side of the accessory box; and at least one group of first stroke components are mounted in the inner box. According to the utility model, a plurality of groups of sampling bottles are arranged in the accessory box, during sampling, waste gas in a pipeline can be sequentially collected through the communicating components in the communicating pipe, the purpose of dynamically collecting the waste gas in the pipeline is achieved within a certain time period, and during collection, the communicating components can be directly connected with the sampling bottles, so that leakage of excessive waste gas is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas collection, in particular to a pipeline industrial waste gas dynamic sampling mechanism. Background Art

[0002] In the process of industrial processing, a large amount of waste gas will be generated. Some manufacturers use pipelines to collect and transport the waste gas to facilitate subsequent treatment of the waste gas. In the process of treating the waste gas, in order to monitor production quality and other factors, the waste gas will be tested. Therefore, it is necessary to dynamically sample the waste gas during pipeline transportation and collection.

[0003] After searching, a Chinese patent (authorization announcement number: CN218725814U) discloses an exhaust gas sampling pipeline, which includes a sampling tube, the right end of the sampling tube is threadedly connected to a dust filter head, the left side of the sampling tube is covered with a hand-held part, the left end of the sampling tube is fixedly installed with a joint, the middle part of the sampling tube is movably connected with a gas collecting bottle, the outer side of the sampling tube is slidably connected to a sliding sleeve, the outer side of the sliding sleeve is fixedly installed with an air bag, the upper part of one side of the air bag is fixedly connected to an exhaust valve, and the lower part of one side of the air bag is fixedly connected to an air intake valve.

[0004] In the prior art, when sampling exhaust gas, in order to improve the detection quality of exhaust gas, it is necessary to dynamically collect samples at multiple times, and when collecting continuously, the device needs to have high automation. Therefore, the utility model proposes a pipeline industrial exhaust gas dynamic sampling mechanism. Utility Model Content

[0005] The utility model aims to provide a pipeline industrial waste gas dynamic sampling mechanism.

[0006] The technical problem solved by the utility model is: how to automatically and continuously collect the waste gas in the pipeline.

[0007] The utility model can be realized by the following technical scheme: a pipeline industrial waste gas dynamic sampling mechanism, including a sleeve and a plurality of sampling bottles, the sleeve is sleeved on the outside of the pipeline discharging waste gas;

[0008] A connecting pipe is installed on the upper side of the sleeve, and an accessory box is installed on the top of the connecting pipe;

[0009] A solenoid valve is installed at the bottom end of the connecting pipe, and a fixing frame is installed on the upper side of the solenoid valve inside the connecting pipe, and a connecting component is installed inside the fixing frame;

[0010] A connecting part connected to the connecting pipe is provided at the top of the pipeline, and the bottom of the solenoid valve extends to the inside of the connecting part. The solenoid valve is used to separate the connecting part from the outside when the exhaust gas is not collected to prevent the exhaust gas from leaking;

[0011] An inner box is installed inside the accessory box, and the inner box is coaxially arranged with the center of the circle of the accessory box. A rotating box is rotatably connected to the outside of the inner box inside the accessory box. A rotating mechanism is installed on one side of the accessory box, and the output end of the rotating mechanism is connected to the rotating box. After the rotating mechanism is started, the rotating box is driven to rotate on the outside of the inner box.

[0012] The rotating box is provided with a plurality of storage slots, each storage slot is provided with a connecting frame, and each sampling bottle is installed in each connecting frame;

[0013] At least one group of first stroke components is installed inside the inner box, and the output end of the first stroke component is facing the connecting pipe. After a corresponding group of storage grooves are transferred to the side of the output end of the first stroke component, the first stroke component is started, and the sampling bottle inside the storage groove is moved toward the connecting component by stretching the connecting frame, and the sampling bottle is connected to the connecting component. Then the solenoid valve is opened, and the exhaust gas enters the corresponding sampling bottle along the connecting component.

[0014] A further technical improvement of the utility model is that: each storage groove is provided with a first communication port at one end facing the inner box, and a second communication port is provided at one end facing the connecting pipe of the inner box;

[0015] After the storage tank moves between the inner box and the connecting pipe, the second connecting port is connected with the first connecting port, and the output end of the first stroke component passes through the first connecting port and the second connecting port to contact the sampling bottle in the corresponding storage tank.

[0016] A further technical improvement of the utility model is that: the connecting frame comprises a fixing plate connected to the storage slot, and a sleeve plate is installed on a side of the fixing plate facing away from the inner box through a plurality of first elastic members;

[0017] After the sampling bottle contacts the connecting frame, its outer side is connected to the sleeve plate. When the first stroke component pushes the connecting frame, it contacts the sleeve plate and moves the sleeve plate and the sampling bottle connected thereto by stretching each first elastic member.

[0018] A further technical improvement of the utility model is that the sampling bottle comprises a bottle body, and a limiting ring is installed on the outer side of the bottle body. When the sampling bottle is assembled with the sleeve plate, the limiting ring is used to limit the assembly position of the sampling bottle and the sleeve plate.

[0019] A further technical improvement of the utility model is that: an opening is provided at the bottom of the bottle body, a sealing ring is installed inside the opening, an air inlet is provided inside the sealing ring, and an inner frame is installed inside the bottle body on one side of the sealing ring, and a sealing cover is installed on the side of the inner frame facing the sealing ring through a plurality of second elastic members;

[0020] When there is no external force, each second elastic member abuts the sealing cover against one side of the sealing ring to seal the air inlet.

[0021] A further technical improvement of the utility model is that: a threaded section is installed on one side of the opening at the bottom of the bottle body;

[0022] After the sampling bottle collects the exhaust gas and takes it out from the storage tank, the opening of the bottle body is sealed with a cover to further improve the sealing performance of the sampling bottle.

[0023] A further technical improvement of the utility model is that: the connecting assembly includes a connecting piece, a connecting passage is provided inside the connecting piece, a first connecting pipe is installed at the bottom of the connecting piece, an end of the first connecting pipe facing away from the connecting piece is installed at one side of the solenoid valve, and is covered at the outer side of the air outlet of the solenoid valve;

[0024] A plurality of second stroke components are installed on the upper side of the connecting member, the output end of each second stroke component is arranged to face away from the first connecting pipe, and a push plate is installed, and a third connecting port is opened inside the push plate;

[0025] A second connecting pipe is installed on the upper side of the connecting piece, and the upper and lower ends of the second connecting pipe are respectively installed on the outer sides of the third connecting port and the connecting channel;

[0026] When the solenoid valve is opened and the corresponding sampling bottle is assembled with the connecting component, the exhaust gas channel of the solenoid valve, the first connecting pipe, the connecting channel, the second connecting pipe and the push plate is formed, and the exhaust gas in the pipeline enters the sampling bottle along the exhaust gas channel.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] The accessory box of the utility model is provided with multiple groups of sampling bottles. When sampling, the exhaust gas in the pipeline can be collected in sequence through the connecting components in the connecting pipe, so as to achieve the purpose of dynamically collecting the exhaust gas in the pipeline within a certain period of time. When collecting, the connecting components can be directly connected to the sampling bottles to avoid leakage of too many exhaust gases.

[0029] On the other hand, when each sampling bottle is moved, it is stored in the corresponding storage groove. When it needs to contact the connecting component, it is moved through the first stroke component. When the moving part of the connecting component is not connected, it is stored inside the connecting tube, so as to avoid contact and collision when the internal components of the device move. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0031] Figure 1 It is a schematic diagram of the structure of the utility model;

[0032] Figure 2 It is a cross-sectional view of the front structure of the utility model;

[0033] Figure 3 It is a front cross-sectional view of the sampling bottle in the utility model;

[0034] Figure 4 It is a partial cross-sectional view of the connecting component in the utility model;

[0035] In the figure: 1. sleeve; 2. connecting pipe; 3. accessory box; 4. inner box; 5. rotating box; 6. storage slot; 7. rotating mechanism; 8. connecting frame; 9. sampling bottle; 10. solenoid valve; 11. fixing frame; 12. connecting component; 13. first stroke component; 81. fixing plate; 82. first elastic member; 83. sleeve plate; 91. bottle body; 92. limiting ring; 93. threaded section; 94. sealing ring; 95. second elastic member; 96. inner frame; 97. sealing cover; 121. connecting member; 122. connecting channel; 123. first connecting pipe; 124. second connecting pipe; 125. second stroke component; 126. pushing plate. DETAILED DESCRIPTION

[0036] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0037] See also Figure 1-4 As shown, a pipeline industrial waste gas dynamic sampling mechanism includes a sleeve 1 and a plurality of sampling bottles 9, wherein the sleeve 1 is sleeved on the outside of the pipeline for discharging waste gas;

[0038] A connecting pipe 2 is installed on the upper side of the sleeve 1, and an accessory box 3 is installed on the top of the connecting pipe 2;

[0039] A solenoid valve 10 is installed at the bottom of the connecting pipe 2, and a fixing frame 11 is installed on the upper side of the solenoid valve 10 inside the connecting pipe 2, and a connecting component 12 is installed inside the fixing frame 11;

[0040] A connecting portion connected to the connecting pipe 2 is provided at the top of the pipeline, and the bottom of the solenoid valve 10 extends to the inside of the connecting portion. The solenoid valve 10 is used to separate the connecting portion from the outside when the exhaust gas is not collected to prevent the exhaust gas from leaking;

[0041] An inner box 4 is installed inside the accessory box 3. The inner box 4 is coaxially arranged with the center of the circle of the accessory box 3. A rotating box 5 is rotatably connected to the outer side of the inner box 4 inside the accessory box 3. A rotating mechanism 7 is installed on one side of the accessory box 3. The output end of the rotating mechanism 7 is connected to the rotating box 5. After the rotating mechanism 7 is started, the rotating box 5 is driven to rotate on the outer side of the inner box 4.

[0042] A plurality of storage slots 6 are provided inside the rotating box 5, and a connecting frame 8 is installed inside each storage slot 6, and each sampling bottle 9 is installed inside each connecting frame 8;

[0043] At least one group of first stroke components 13 is installed inside the inner box 4, and the output end of the first stroke component 13 faces the connecting pipe 2. After a corresponding group of storage grooves 6 are transferred to the side of the output end of the first stroke component 13, the first stroke component 13 is started, and the sampling bottle 9 inside the storage groove 6 is moved toward the connecting component 12 by stretching the connecting frame 8, and the sampling bottle 9 is connected to the connecting component 12. Then the solenoid valve 10 is opened, and the exhaust gas enters the corresponding sampling bottle 9 along the connecting component 12.

[0044] See also Figure 2 As shown, each storage groove 6 has a first communication port at one end facing the inner box 4, and the inner box 4 has a second communication port at one end facing the connecting pipe 2;

[0045] After the storage tank 6 moves to between the inner box 4 and the connecting pipe 2 , the second connecting port is connected to the first connecting port, and the output end of the first stroke component 13 passes through the first connecting port and the second connecting port to contact the sampling bottle 9 in the corresponding storage tank 6 .

[0046] The connecting frame 8 includes a fixing plate 81 connected to the storage slot 6, and a sleeve plate 83 is installed on the side of the fixing plate 81 facing away from the inner box 4 through a plurality of first elastic members 82;

[0047] After the sampling bottle 9 contacts the connecting frame 8, its outer side is connected to the sleeve plate 83. When the first stroke component 13 pushes the connecting frame 8, it contacts the sleeve plate 83 and moves the sleeve plate 83 and the sampling bottle 9 connected thereto by stretching each first elastic member 82.

[0048] See also Figure 3 As shown, the sampling bottle 9 includes a bottle body 91, and a limiting ring 92 is installed on the outer side of the bottle body 91. When the sampling bottle 9 is assembled with the sleeve plate 83, the limiting ring 92 is used to limit the assembly position of the sampling bottle 9 and the sleeve plate 83.

[0049] The bottom of the bottle body 91 is provided with an opening, a sealing ring 94 is installed inside the opening, an air inlet is provided inside the sealing ring 94, and an inner frame 96 is installed inside the bottle body 91 on one side of the sealing ring 94, and a sealing cover 97 is installed on the side of the inner frame 96 facing the sealing ring 94 through a plurality of second elastic members 95;

[0050] When there is no external force, each second elastic member 95 makes the sealing cover 97 abut against one side of the sealing ring 94 to seal the air inlet.

[0051] A threaded section 93 is installed on one side of the bottom of the bottle body 91 located at the opening;

[0052] After the sampling bottle 9 collects the exhaust gas and takes it out from the storage tank 6 , the opening of the bottle body 91 is sealed using a cover to further improve the sealing performance of the sampling bottle 9 .

[0053] See also Figure 4 As shown, the connecting assembly 12 includes a connecting piece 121, a connecting passage 122 is provided inside the connecting piece 121, and a first connecting pipe 123 is installed at the bottom of the connecting piece 121, and one end of the first connecting pipe 123 facing away from the connecting piece 121 is installed on one side of the solenoid valve 10 and is covered on the outer side of the air outlet of the solenoid valve 10;

[0054] A plurality of second stroke components 125 are installed on the upper side of the connecting member 121. The output end of each second stroke component 125 is arranged to face away from the first connecting pipe 123 and is installed with a push plate 126. A third connecting port is opened inside the push plate 126.

[0055] The push plate 126 is T-shaped. When the push plate 126 contacts the sampling bottle 9, its bottom is in contact with the sealing ring 94, and its protruding portion lifts up the sealing cover 97 by compressing the second elastic member 95.

[0056] A second connecting pipe 124 is installed on the upper side of the connecting piece 121, and the upper and lower ends of the second connecting pipe 124 are respectively installed on the outer sides of the third connecting port and the connecting channel 122;

[0057] After the solenoid valve 10 is opened and the corresponding sampling bottle 9 is assembled with the connecting component 12, an exhaust gas channel of the solenoid valve 10, the first connecting pipe 123, the connecting channel 122, the second connecting pipe 124 and the push plate 126 is formed, and the exhaust gas in the pipeline enters the sampling bottle 9 along the exhaust gas channel.

[0058] When the utility model is used, each sampling bottle 9 is sequentially installed in the connecting frame 8 in each storage slot 6. When assembling, the sampling bottle 9 is installed inside the sleeve plate 83 of the connecting frame 8 until the limiting ring 92 outside the sampling bottle 9 contacts the sleeve plate 83;

[0059] During sampling, the rotating mechanism 7 is started to rotate a group of storage slots 6 to one side of the connecting pipe 2, and then the first stroke assembly 13 is started to lower the sampling bottles 9 in the group of storage slots 6 by stretching the first elastic member 82, and at the same time the second stroke assembly 125 in the connecting assembly 12 is started to move the push plate 126 toward the corresponding sampling bottle 9 until the protruding portion of the push plate 126 passes through the sealing ring 94 and lifts up the sealing cover 97, and then the solenoid valve 10 is opened, and the exhaust gas in the pipeline is discharged from the solenoid valve 10, the first connecting pipe 123, the connecting channel 122, the second connecting pipe 124 and the third connecting port of the push plate 126 into the bottle body 91;

[0060] Then the connecting assembly 12 is reset, and the sealing cover 97 in the sampling bottle 9 is driven by the second elastic member 95 to abut against one side of the sealing ring 94 again;

[0061] Finally, the rotating mechanism 7 is started to rotate a new set of storage grooves 6 between the inner box 4 and the connecting pipe 2.

[0062] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A pipeline industrial waste gas dynamic sampling mechanism, characterized in that: include: A sleeve (1) is installed outside the pipeline; A connecting pipe (2) is installed on the upper side of the sleeve (1), and a solenoid valve (10) and a fixing frame (11) are installed in sequence from bottom to top inside the connecting pipe (2); A connecting component (12) is installed inside the fixing frame (11), and the bottom of the connecting component (12) is arranged outside the air outlet of the solenoid valve (10); An accessory box (3) is installed at the top of the connecting pipe (2), an inner box (4) is installed inside the accessory box (3), and a rotating mechanism (7) is installed on one side of the accessory box (3); At least one set of first stroke components (13) is installed inside the inner box (4); A rotating box (5) is rotatably connected to the inside of the accessory box (3) and is located outside the inner box (4). A plurality of storage slots (6) are provided inside the rotating box (5), and a connecting frame (8) is installed inside each storage slot (6); The output end of the rotating mechanism (7) is connected to the rotating box (5) and is used to drive the rotating box (5) to rotate outside the inner box (4); Sampling bottles (9), a plurality of the sampling bottles (9) are respectively installed inside each connecting frame (8).

2. A pipeline industrial waste gas dynamic sampling mechanism according to claim 1, characterized in that: Each storage groove (6) is provided with a first communication port at one end facing the inner box (4), and the inner box (4) is provided with a second communication port at one end facing the connecting pipe (2); After the storage tank (6) moves between the inner box (4) and the connecting pipe (2), the second connecting port is connected to the first connecting port.

3. A pipeline industrial waste gas dynamic sampling mechanism according to claim 1, characterized in that: The connecting frame (8) comprises a fixing plate (81) connected to the storage groove (6), and a sleeve plate (83) is installed on a side of the fixing plate (81) facing away from the inner box (4) via a plurality of first elastic members (82).

4. A pipeline industrial waste gas dynamic sampling mechanism according to claim 3, characterized in that: The sampling bottle (9) comprises a bottle body (91), and a limiting ring (92) is installed on the outer side of the bottle body (91).

5. A pipeline industrial waste gas dynamic sampling mechanism according to claim 4, characterized in that: The bottom of the bottle body (91) is provided with an opening, a sealing ring (94) is installed inside the opening, an air inlet is provided inside the sealing ring (94), and an inner frame (96) is installed inside the bottle body (91) on one side of the sealing ring (94), and a sealing cover (97) is installed on the side of the inner frame (96) facing the sealing ring (94) through a plurality of second elastic members (95).

6. A pipeline industrial waste gas dynamic sampling mechanism according to claim 5, characterized in that: A threaded section (93) is installed on one side of the bottom of the bottle body (91) located at the opening.

7. A pipeline industrial waste gas dynamic sampling mechanism according to claim 1, characterized in that: The communication component (12) comprises a communication piece (121), a communication passage (122) is provided inside the communication piece (121), and a first connecting pipe (123) is installed at the bottom of the communication piece (121); A plurality of second stroke components (125) are installed on the upper side of the connecting member (121), the output end of each second stroke component (125) is arranged to face away from the first connecting pipe (123), and a push plate (126) is installed, and a third connecting port is opened inside the push plate (126); A second connecting pipe (124) is installed on the upper side of the connecting piece (121), and the upper and lower ends of the second connecting pipe (124) are respectively installed on the outside of the third connecting port and the connecting channel (122).

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