CN219657266U - Portable high-temperature dioxin sampling device - Google Patents
Portable high-temperature dioxin sampling device Download PDFInfo
- Publication number
- CN219657266U CN219657266U CN202320135425.8U CN202320135425U CN219657266U CN 219657266 U CN219657266 U CN 219657266U CN 202320135425 U CN202320135425 U CN 202320135425U CN 219657266 U CN219657266 U CN 219657266U
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- sampling
- water
- dioxin
- portable high
- sampling device
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- 238000005070 sampling Methods 0.000 title claims abstract description 117
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 238000001179 sorption measurement Methods 0.000 claims description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a portable high-temperature dioxin sampling device which comprises a sampling gun and a sampling host, wherein the sampling gun comprises a sampling tube and a sampling nozzle arranged at the front end of the sampling tube, the sampling tube comprises a front-end sampling tube and a rear-end sleeve, the rear-end sleeve comprises an inner cylinder connected with the front-end sampling tube and an outer cylinder arranged outside the inner cylinder, and cooling water is filled between the inner cylinder and the outer cylinder. The sampling tube part is of a structure with thin front and thick rear, the heating area of the front end is small, the rear end is beneficial to cooling, the rear end is provided with the water-cooling sleeve, heat is efficiently exchanged, the temperature of passing gas is reduced, and the sampling efficiency is improved.
Description
Technical Field
The utility model belongs to the field of environment-friendly monitoring instruments, and particularly relates to a portable high-temperature dioxin sampling device.
Background
Dioxin generally refers to a group of polychlorinated substituted planar aromatic compounds with similar structures and physicochemical properties, is a byproduct of combustion and various industrial production, is a highly toxic substance, and is seriously harmful to human bodies, so that the detection and control of dioxin are very important.
The dioxin detection process mainly comprises sample collection, sample pretreatment, analysis and detection and data processing and evaluation, wherein a dioxin sampling device is mainly adopted for sample collection. The dioxin sampling device structurally comprises a sampling gun (sampling tube) and a sampling host, wherein the sampling host comprises a filter cartridge assembly, a condenser, an adsorption column assembly and a collecting bottle, and the dioxin sampling device comprises the sampling tube, the filter cartridge assembly, the condenser, a gas-phase adsorption column and the collecting bottle as disclosed in the patent of the application number 201911343792.1; the rear end of the sampling tube is connected with a filter cartridge component through a guide tube, the rear end of the filter cartridge component is connected with a condenser, a gas-phase adsorption column is arranged on the outer side of the condenser, and the top end of the condenser is connected with the top end of the gas-phase adsorption column; the lower end of the condenser is connected with a collecting bottle. The dioxin is generally generated in a high-temperature hearth of a garbage incinerator and the like, the temperature of the hearth reaches more than 800 ℃, a sampling gun of a dioxin sampling device is arranged at the downstream of a flue, the temperature of the sampling gun is below 200 ℃, direct sampling in the hearth is required when the incinerator is checked and researched, the existing dioxin sampling device is difficult to fully cool high-temperature gas only by a condenser in a sampling host, the sampling instrument is easy to damage, and the dioxin is difficult to be adsorbed in the high-temperature gas, so that monitoring work is difficult to complete.
Disclosure of Invention
The utility model provides a portable high-temperature dioxin sampling device with a water-cooling sampling tube, aiming at the technical problems that the condenser is difficult to sufficiently cool high-temperature gas when the existing dioxin sampling device collects a gas sample with higher temperature, and the sampling efficiency is affected.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a portable high temperature dioxin sampling device, includes sampling rifle and sampling host computer, the sampling rifle includes the sampling pipe and installs the sampling mouth at the sampling pipe front end, the sampling pipe includes front end sampling pipe and rear end sleeve, the rear end sleeve is including the inner tube of connecting the front end sampling pipe and the urceolus of setting outside the inner tube, is equipped with the cooling water between inner tube and the urceolus.
Preferably, the sampling host comprises a filter cartridge assembly, a condenser and an adsorption column assembly, and the sampling tube and the filter cartridge assembly are connected through a hose.
Preferably, the outer cylinder is provided with a water inlet nozzle and a water outlet nozzle, the water inlet nozzle and the water outlet nozzle are respectively connected to a water chiller and a water bucket, and the water chiller and the water bucket are connected through a water pipe.
Preferably, the outer cylinder is provided with a foldable handle.
Preferably, the cross-sectional area of the inner barrel is 7-10 times that of the front end sampling pipe.
Preferably, the front end sampling tube is connected with the inner cylinder through a threaded press cap.
Preferably, the tail end of the rear sleeve is provided with a temperature fixing column, and a threaded platinum resistor is arranged in the temperature fixing column.
Preferably, the water inlet end and the water outlet end of the condenser are connected to the water chiller through hoses.
Preferably, the adsorption column assembly is connected with the dioxin sampler through a hose.
Preferably, the condenser is coated with heat-insulating cotton.
Compared with the prior art, the utility model has the advantages and positive effects that:
the sampling tube part of the sampling device is arranged into a structure with a thin front part and a thick rear part, the heated area of the front end is small, the rear end is beneficial to the temperature reduction of the rear end, the rear end is provided with a water cooling sleeve, the heat is efficiently exchanged, and the temperature of passing gas is reduced. The rear end sleeve is reduced in length and made of titanium alloy, is resistant to high-temperature corrosion, and is light in weight and portable.
The sampling device is characterized in that the sampling gun part, the sampling host part, the water chiller, the dioxin sampler and the tripod are all arranged in a modularized separation mode, and can be quickly assembled into a whole through combination, so that the sampling device is more portable, reduces the working strength and improves the production efficiency.
Drawings
FIG. 1 is a schematic diagram of a sampling gun part of a portable high-temperature dioxin sampling device;
FIG. 2 is a schematic diagram of a host portion of a portable high temperature dioxin sampling device of the present utility model;
in the above figures: 1. a sampling nozzle; 2. a front end sampling tube; 3. a threaded press cap; 4. an asbestos gasket; 5. a rear end sleeve; 6. locking the spare cap I; 7. a sealing gasket; 8. a water inlet nozzle; 9. a fixed plate; 10. a folding handle; 11. a water outlet nozzle; 12. a temperature fixing column; 13. a threaded platinum resistor; 14. locking the second spare cap; 15. a taper sleeve; 16. a polytetrafluoroethylene tube; 17. a tripod; 18. a first water chiller; 19. a first water pipe; 20. a second water pipe; 21. a water bucket; 22. a third water pipe; 23. a housing; 24. a joint; 25. a filter cartridge assembly; 26. a condenser; 27. thermal insulation cotton; 28. u-shaped connecting pipes; 29. a temperature probe; 30. an adsorption column assembly; 31. a first rubber tube; 32. a dioxin sampler; 33. a collection bottle; 34. a second water chiller; 35. a second rubber tube; 36. a third rubber tube; 37. a heating interface; 38. a temperature control interface; 39. an inner cylinder; 40. an outer cylinder.
Detailed Description
For a better understanding of the present utility model, reference will now be made in detail to the drawings and examples.
Examples: as shown in fig. 1 and 2, a portable high-temperature dioxin sampling device comprises two main parts of a sampling gun and a sampling host, wherein the sampling gun comprises a sampling tube, the sampling tube is arranged on a tripod 17, and the front end of the sampling tube is provided with a sampling nozzle 1; the sampling host includes a cartridge assembly 25, a condenser 26, and an adsorption column assembly 30, which are connected via a polytetrafluoroethylene tube 16.
The sampling tube comprises a front end sampling tube 2 and a rear end sleeve 5, the sampling nozzle 1 is screwed into the front end sampling tube 2 and is internally fixed, the sampling nozzle 1 is divided into a plurality of specifications, and the matched sampling nozzle 1 can be selected for assembly according to working conditions during use. The front end sampling tube is made of 310S stainless steel and is resistant to high temperature corrosion.
The rear end sleeve 5 comprises an inner barrel 39 which is connected to the front end sampling tube 2 which is pressed into the front part of the rear end sleeve by a screw cap and an asbestos gasket. An outer cylinder 40 is arranged outside the inner cylinder 39, and cooling water is filled between the inner cylinder 39 and the outer cylinder 40.
The sampling tube part is arranged into a structure with thin front and thick rear, the inner diameter area of the rear end sleeve 5 is 9 times that of the front end sampling tube, the front end sampling tube 2 is placed in a flue at 800 ℃, the rear end sleeve 5 is positioned outside the flue, the front end heating area is small, the rear end is beneficial to cooling, the heat is efficiently exchanged, and the temperature of passing gas is reduced. The rear end sleeve 5 is reduced in length and made of titanium alloy, is resistant to high-temperature corrosion, and is light in weight and portable. The sampling nozzle 1, the front end sampling tube 2 and the rear end sleeve 5 are arranged into a split structure, so that the portable sampling device is convenient to carry.
The front end of the outer cylinder 40 is welded with a water inlet nozzle 8, the rear end of the outer cylinder 40 is welded with a water outlet nozzle 11, the water inlet nozzle 8 is connected with a first water chiller through a first locking cap 6 and a first water pipe 19, and the water outlet nozzle 11 is connected with a water bucket 21 through a second water pipe 20. Cold water generated by the first cold water machine 18 flows into the cavity of the rear end sleeve 5 through the first water pipe 19 and the water inlet nozzle 8, overflows from the water outlet nozzle 11, flows into the water barrel 21 along the second water pipe 20, the stainless steel water barrel 21 is connected with the first cold water machine 18 through the third water pipe 22, water flowing out of the rear end sleeve 5 is initially cooled in the stainless steel water barrel 21, and then flows back into the first cold water machine 18 to improve cooling efficiency, a circulating cooling water path is formed, and the sampling device has an efficient cooling effect.
The folding handle 10 is welded at the middle and rear end of the front lower part of the outer cylinder 40, and two folding handles 10 are arranged to facilitate taking and placing of the sampling tube, especially in a high temperature state.
The bottom of the outer barrel 40 is welded with a fixed disk 9, a tripod 17 is inserted into the fixed disk 9, and the tripod 17 can be extended and contracted in height to play roles of fixing a sampling gun and orienting a sampling nozzle. The rear end of the rear end sleeve 5 is welded with a temperature fixing column 12, and a threaded platinum resistor 13 is screwed into the temperature fixing column 12. The connecting line on the threaded platinum resistor 13 is connected with the dioxin sampler 32, and when the temperature reaches 200 degrees, the dioxin sampler 32 stops pumping air, so that the instrument is effectively protected from damage.
The end of the inner cylinder 39 of the rear end sleeve 5 is locked with the second backup cap 14 and the taper sleeve 15 to be connected with the polytetrafluoroethylene tube 16, and the other end of the polytetrafluoroethylene tube connection 16 is connected to the joint 24 in the casing 23 of the sampling host. The joint 24, the filter cartridge assembly 25, the condenser 26, the U-shaped connecting pipe 28, the adsorption column assembly 30, the rubber pipe I31 and the dioxin sampler 32 are sequentially connected through pipelines. The U-shaped connecting pipe 28 is provided with a temperature probe 29, and a connecting wire of the temperature probe 29 is connected with a dioxin sampler 32. The condenser 26 is wrapped with heat preservation cotton 27, and the lower end of the condenser 26 is connected with a collecting bottle 33. The water inlet of the condenser is connected to the water outlet of the second water chiller 34 through the second rubber pipe 35, and the water outlet of the condenser is connected with the water inlet of the second water chiller 34 through the third rubber pipe 36 to form a circulation loop.
The bottom of the shell 23 is provided with a heating interface 37 and a temperature control interface 38, and the heating interface 37 and the temperature control interface 38 are connected with the filter cartridge assembly 25 and the dioxin sampler 32 through connecting wires to control the constant temperature of the filter cartridge assembly 25.
The sampling tube part of the sampling device is arranged to be of a structure with a thin front part and a thick rear part, the heating area of the front end is small, the rear end is beneficial to cooling, the rear end is provided with a water cooling sleeve, heat is exchanged efficiently, and the temperature of passing gas is reduced. The rear end sleeve is reduced in length and made of titanium alloy, is resistant to high-temperature corrosion, and is light in weight and portable. The sampling device is characterized in that the sampling gun part, the sampling host part, the water chiller, the dioxin sampler and the tripod are all arranged in a modularized separation mode, and can be quickly assembled into a whole through combination, so that the sampling device is more portable, reduces the working strength and improves the production efficiency.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a portable high temperature dioxin sampling device, includes sampling rifle and sampling host computer, its characterized in that: the sampling gun comprises a sampling tube and a sampling nozzle arranged at the front end of the sampling tube, the sampling tube comprises a front-end sampling tube and a rear-end sleeve, the rear-end sleeve comprises an inner cylinder connected with the front-end sampling tube and an outer cylinder arranged outside the inner cylinder, and cooling water is filled between the inner cylinder and the outer cylinder.
2. The portable high temperature dioxin sampling device of claim 1, characterized in that: the sampling host comprises a filter cartridge assembly, a condenser and an adsorption column assembly, and the sampling tube is connected with the filter cartridge assembly through a hose.
3. The portable high temperature dioxin sampling device of claim 1, characterized in that: the outer cylinder is provided with a water inlet nozzle and a water outlet nozzle, the water inlet nozzle and the water outlet nozzle are respectively connected to the water chiller and the water bucket, and the water chiller and the water bucket are connected through a water pipe.
4. The portable high temperature dioxin sampling device of claim 1, characterized in that: the outer cylinder is provided with a foldable handle.
5. The portable high temperature dioxin sampling device of claim 1, characterized in that: the cross-sectional area of the inner cylinder is 7-10 times of that of the front end sampling tube.
6. The portable high temperature dioxin sampling device of claim 1, characterized in that: the front end sampling tube is connected with the inner cylinder through a threaded press cap.
7. The portable high temperature dioxin sampling device of claim 1, characterized in that: the tail end of the rear end sleeve is provided with a temperature fixing column, and a threaded platinum resistor is arranged in the temperature fixing column.
8. The portable high temperature dioxin sampling device of claim 2, characterized in that: the water inlet end and the water outlet end of the condenser are connected to the water chiller through hoses.
9. The portable high temperature dioxin sampling device of claim 2, characterized in that: the adsorption column component is connected with the dioxin sampler through a hose.
10. The portable high temperature dioxin sampling device of claim 2, characterized in that: the condenser is covered with heat preservation cotton.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022220923565 | 2022-08-10 | ||
| CN202222092356 | 2022-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657266U true CN219657266U (en) | 2023-09-08 |
Family
ID=87877972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320135425.8U Active CN219657266U (en) | 2022-08-10 | 2023-02-07 | Portable high-temperature dioxin sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657266U (en) |
-
2023
- 2023-02-07 CN CN202320135425.8U patent/CN219657266U/en active Active
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