CN209979314U - Sampling pipe without interception insertion structure - Google Patents
Sampling pipe without interception insertion structure Download PDFInfo
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- CN209979314U CN209979314U CN201920524651.9U CN201920524651U CN209979314U CN 209979314 U CN209979314 U CN 209979314U CN 201920524651 U CN201920524651 U CN 201920524651U CN 209979314 U CN209979314 U CN 209979314U
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- fixing frame
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Abstract
The utility model provides a sampling pipe without an interception splicing structure, which comprises a sampling head, a pitot tube and a tetrafluoro tube, wherein the sampling head and the pitot tube are both arranged in a metal protection tube; the filter membrane clamping and fixing device is characterized by further comprising a smoke interface which is installed on the mainframe box and used for being inserted into the inserting end, a filter membrane clamping and fixing frame is arranged at the lower end of the smoke interface, and a polytetrafluoroethylene tube protection tube penetrates through the smoke interface and is inserted into the filter membrane clamping and fixing frame. The utility model discloses a grafting structure has realized the high-speed joint of sampling pipe with the mainframe box, and the junction of sampling pipe and mainframe box does not have any structure of holding back to exist. Follow the sampling head and guarantee the heat tracing to filter membrane part whole journey, effectively avoid the vapor condensation adhesion particulate matter in the flue gas and dissolve some harmful gas, ensure and detect the accuracy. The sampling pipe is connected with the host through the hose, so that the sampling pipe has a larger moving range and is more convenient to use.
Description
Technical Field
The utility model belongs to smoke and dust sampling equipment field especially relates to a sampling pipe of grafting structure is held back to nothing.
Background
The smoke dust discharged by pollution sources is a main pollutant causing air pollution, and manual sampling is mostly adopted in daily supervision control detection. The method comprises fixing a filter membrane or a filter cartridge at the front end of a sampling tube, extending the sampling tube into a flue, extracting a certain amount of dust-containing gas at a medium speed, filtering and adsorbing smoke dust by the filter membrane, taking out the filter membrane, and weighing and analyzing in a laboratory. The method has accurate measurement, but the data acquisition is slow, and the result cannot be obtained in real time. At present, the direct-reading type soot particulate matter monitoring instrument using the beta-ray absorption method for measurement is more and more emphasized, the data can be directly read on site, the processing time of a sample and the pollution chance can be reduced, frequent calibration and zero setting are not needed, and the direct-reading type soot particulate matter monitoring instrument is a more accurate method in the indirect measurement method of the dust concentration. The method adopts rear-end sampling, namely, a smoke sampling pipe is used for sucking smoke from a flue, the smoke is conveyed to the outside of the flue and adsorbed on a filter membrane or a filter paper belt, and the concentration of the smoke is measured by a beta-ray counting method. The direct-reading smoke dust particle monitor adopting the beta-ray absorption method structurally comprises a sampling pipe and a mainframe box which are rigidly connected, wherein a collecting and weighing unit, a sampling pump and a control unit for processing and calculating the concentration of particles are arranged in the mainframe box, the collecting and weighing unit is used for collecting particles and weighing the particles by adopting the beta-ray absorption method, and the direct-reading smoke dust particle monitor can be used for on-site reading and is more convenient to use. However, the existing equipment has the following disadvantages: 1. the mainframe box is rigidly connected with the sampling pipe, and the angle and the length of the sampling pipe are fixed, so that the monitoring instrument is only suitable for flues with certain height ranges and fixed angles and cannot be used for flues in the inclined or horizontal direction. 2. There is the structure of holding back in the junction of sampling pipe and mainframe box, and some particulate matters can adsorb or hold back in the junction, influence measuring result's accuracy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses adopt rigid connection to use limited and have the technical problem who holds back the structure to the smoke and dust particulate matter control appearance sampling pipe of current rear end sampling and mainframe box, provide a sampling pipe that does not have and hold back grafting structure.
In order to achieve the above object, the utility model discloses a technical scheme be:
a sampling pipe without an interception splicing structure comprises a sampling head, a pitot tube and a tetrafluoro tube connected with the sampling head, wherein the sampling head and the pitot tube are both arranged in a metal protection pipe; the filter membrane clamping and fixing device is characterized by further comprising a smoke interface which is installed on the mainframe box and used for being inserted into the inserting end, a filter membrane clamping and fixing frame is arranged at the lower end of the smoke interface, and a polytetrafluoroethylene tube protection tube penetrates through the smoke interface and is inserted into the filter membrane clamping and fixing frame.
Preferably, a handle seat is arranged at the joint of the metal protection pipe and the hose.
Preferably, the handle seat is provided with a pitot tube pipeline joint.
Preferably, a platinum resistor is further arranged in the metal protection pipe, and a circuit connector is arranged on the handle seat.
Preferably, a sealing ring for inserting the protecting pipe of the tetrafluoride pipe is arranged in the smoke interface.
Preferably, an O-shaped ring is arranged between the tetrafluoro pipe and the tetrafluoro pipe protection pipe.
Preferably, the filter membrane clamp fixing frame is internally provided with a trumpet-shaped opening.
Preferably, the bottom surface of the filter membrane clamp fixing frame is provided with a sealing gasket.
Preferably, heating belts are wound between the hose and the tetrafluoride pipe and between the metal protection pipe and the tetrafluoride pipe.
Preferably, the filter membrane clamp fixing frame is provided with a heating sheet.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. sampling pipe has realized the high-speed joint of sampling pipe with the mainframe box through the grafting structure of special setting, and the smoke and dust is inhaled the back through the sampling head, directly reachs the filter membrane through the tetrafluoro pipe, and the junction of sampling pipe and mainframe box does not have any structure of holding back to exist.
2. Follow the sampling head and guarantee the heat tracing to filter membrane part whole journey, effectively avoid the vapor condensation adhesion particulate matter in the flue gas and dissolve some harmful gas, ensure and detect the accuracy.
3. The sampling pipe is connected with the host through the hose, so that the sampling pipe has a larger moving range and is more convenient to use.
Drawings
Fig. 1 is a schematic structural view of the sampling tube of the present invention;
FIG. 2 is a partial cross-sectional view of the sampling tube of the present invention;
in the above figures: 1. a sampling head; 2. a pitot tube; 3. a tetrafluoride pipe; 31. a tetrafluoro pipe protecting pipe; 4. a metal protection tube; 5. a handle base; 51. a handle; 52. a pitot tube line connection; 53. a circuit connector; 6. inserting an end socket; 7. a hose; 8. a smoke interface; 81. a heating plate; 82. a seal ring; 83. an O-shaped ring; 9. a filter membrane clamp fixing frame; 91. filter membrane clamping; 92. filtering the membrane; 93. and a gasket.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example (b): as shown in figure 1, the sampling tube without the interception inserting structure comprises a sampling head 1 and a pitot tube 2, wherein the tail end of the sampling head 1 is connected with a tetrafluoro tube 3, and the sampling head 1 and the pitot tube 2 are both arranged in a metal protection tube 4.
Heating belts are wound between the hose 7 and the tetrafluoride pipe 3 and between the metal protection pipe 4 and the tetrafluoride pipe 3, heat the tetrafluoride pipe 3 through which the whole gas flows, and prevent water vapor in the flue gas from being condensed into water drops due to temperature reduction, so that smoke dust particles are adhered to the water drops, and detection errors are caused. In order to hold the sampling tube during sampling, a handle seat 5 is arranged at the joint of the metal protection tube 4 and the hose 7, and a handle 51 is arranged on the handle seat 5. The other end of the hose 7 is connected with the metal protection tube 4, the other end of the hose is connected with the inserting end 6, the part of the tetrafluoro tube 3 extending out of the inserting end 6 is sleeved with a tetrafluoro tube protection tube 31, the tetrafluoro tube protection tube 31 can be made of metal materials or hard plastic materials, and the tetrafluoro tube 3 can be protected from deformation in the inserting process.
This sampling pipe is still including installing on the mainframe box and being used for inserting the smoke and dust interface 8 of grafting end 6, the 8 lower extremes of smoke and dust interface are provided with filter membrane clamp and decide frame 9, and tetrafluoro pipe protection tube 31 passes in smoke and dust interface 8 inserts filter membrane clamp and decide frame 9. The filter membrane clamp fixing frame 9 is internally provided with a trumpet-shaped opening, the lower end of the opening is provided with the filter membrane clamp 91, and the filter membrane 92 is placed in the filter membrane clamp 91. In order to prevent the smoke dust from being cooled and condensed in the vicinity of the filter membrane clamp 91, the upper end of the filter membrane clamp fixing frame 9 is provided with a heating sheet 81 for heating the filter membrane clamp fixing frame 9. In order to ensure the sealing performance of the inserting connection part, a sealing ring 82 used for inserting the tetrafluoride pipe protection pipe 31 is installed in the smoke dust interface 8, an O-shaped ring 83 is arranged between the tetrafluoride pipe 3 and the tetrafluoride pipe protection pipe 31, and a sealing gasket 93 is arranged on the bottom surface of the filter membrane clamp fixing frame 9. After being sucked by the sampling head 1, the smoke dust directly reaches the filter membrane 92 through the tetrafluoride tube 3, and no interception structure exists in the middle. In order to fix the smoke and dust interface 8 and the inserting end 6, a threaded sleeve can be sleeved on the inserting end 6, the outer wall of the smoke and dust interface 8 is provided with an external thread, and the threaded sleeve is screwed on the smoke and dust interface 8, so that the smoke and dust interface 8 and the inserting end 6 are firmly fixed.
In order to connect the pitot tube 2 with the air passage of the host, the handle seat 5 is provided with a pitot tube pipeline joint 53, and after the sampling tube is spliced with the host, the pitot tube interface of the host is connected with the pitot tube pipeline joint 53. In order to measure the temperature of the smoke dust, a platinum resistor is further arranged in the metal protection tube 4, a circuit connector 52 is arranged on the handle seat 5, and a power supply line in the host computer is plugged in the circuit connector 52 to collect a platinum resistor temperature signal and supply power for the heating belt.
The sampling pipe of no grafting structure of holding back of this embodiment through the grafting structure of special setting, has realized the quick connection of sampling pipe with the mainframe box, the smoke and dust is inhaled the back through sampling head 1, directly reachs filter membrane 92 through tetrafluoro pipe 3, the junction of sampling pipe and mainframe box does not have any structure of holding back to exist. Follow sampling head 1 to filter membrane 92 part whole journey and guarantee the companion's heat, effectively avoid the vapor condensation adhesion particulate matter in the flue gas and dissolve some harmful gas, ensure and detect the accuracy. The sampling pipe is connected with the host through the hose, so that the sampling pipe has a larger moving range and is more convenient to use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a sampling pipe of grafting structure is held back to nothing, includes sampling head, pitot tube and the tetrafluoro pipe of being connected with the sampling head, and sampling head and pitot tube are all installed in metal protection pipe, its characterized in that: a flexible pipe is sleeved outside the tetrafluoro pipe, one end of the flexible pipe is connected with the metal protection pipe, the other end of the flexible pipe is connected with the splicing end, and the part of the tetrafluoro pipe extending out of the splicing end is sleeved with the tetrafluoro pipe protection pipe; the filter membrane clamping and fixing device is characterized by further comprising a smoke interface which is installed on the mainframe box and used for being inserted into the inserting end, a filter membrane clamping and fixing frame is arranged at the lower end of the smoke interface, and a polytetrafluoroethylene tube protection tube penetrates through the smoke interface and is inserted into the filter membrane clamping and fixing frame.
2. The sampling tube of claim 1, wherein the retention-free plug structure comprises: and a handle seat is arranged at the joint of the metal protection pipe and the hose.
3. The sampling tube of claim 2, wherein the retention-free plug structure comprises: and a pitot tube pipeline joint is arranged on the handle seat.
4. The sampling tube of claim 3, wherein: the metal protection tube is also internally provided with a platinum resistor, and the handle seat is provided with a circuit connector.
5. The sampling tube of claim 1, wherein the retention-free plug structure comprises: and a sealing ring for inserting the protecting tube of the tetrafluoride tube is arranged in the smoke dust interface.
6. The sampling tube of claim 1, wherein the retention-free plug structure comprises: an O-shaped ring is arranged between the tetrafluoro pipe and the tetrafluoro pipe protection pipe.
7. The sampling tube of claim 5 or 6, wherein the retention-free plug structure comprises: and a trumpet-shaped opening is formed in the filter membrane clamp fixing frame.
8. The sampling tube of claim 7, wherein: the bottom surface of the filter membrane clamp fixing frame is provided with a sealing gasket.
9. The sampling tube of claim 1, wherein the retention-free plug structure comprises: heating belts are wound between the hose and the tetrafluoride pipe and between the metal protection pipe and the tetrafluoride pipe.
10. The non-entrapment plug-in feature sampling tube of claim 9, wherein: and a heating sheet is arranged on the filter membrane clamp fixing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524651.9U CN209979314U (en) | 2019-04-17 | 2019-04-17 | Sampling pipe without interception insertion structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524651.9U CN209979314U (en) | 2019-04-17 | 2019-04-17 | Sampling pipe without interception insertion structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979314U true CN209979314U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920524651.9U Active CN209979314U (en) | 2019-04-17 | 2019-04-17 | Sampling pipe without interception insertion structure |
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| CN (1) | CN209979314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665926A (en) * | 2020-12-22 | 2021-04-16 | 安徽配隆天环保科技有限公司 | Ultrapure water constant-temperature sampling header pipe |
-
2019
- 2019-04-17 CN CN201920524651.9U patent/CN209979314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665926A (en) * | 2020-12-22 | 2021-04-16 | 安徽配隆天环保科技有限公司 | Ultrapure water constant-temperature sampling header pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Guozhi Inventor after: Guo Li Inventor after: Jiang Lulu Inventor after: Xiong Xiaonan Inventor after: Chang Qingkai Inventor after: Chen Xiankun Inventor after: Kong Yanchao Inventor before: Wu Guozhi Inventor before: Guo Li Inventor before: Li Chunying Inventor before: Jiang Lulu Inventor before: Xiong Xiaonan Inventor before: Chang Qingkai Inventor before: Chen Xiankun Inventor before: Kong Yanchao |
|
| CB03 | Change of inventor or designer information | ||
| CP03 | Change of name, title or address |
Address after: No.1 XueYue Road, Chengyang District, Qingdao City, Shandong Province 266108 Patentee after: Qingdao Zhongrui Intelligent Instrument Co.,Ltd. Address before: 266000 No. 1 Xueyue Road, Chengyang District, Qingdao City, Shandong Province Patentee before: QINGDAO ZHONGRUI INTELLIGENT INSTRUMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |