CN211697133U - Sampler for volatile organic compounds - Google Patents
Sampler for volatile organic compounds Download PDFInfo
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- CN211697133U CN211697133U CN201922405543.2U CN201922405543U CN211697133U CN 211697133 U CN211697133 U CN 211697133U CN 201922405543 U CN201922405543 U CN 201922405543U CN 211697133 U CN211697133 U CN 211697133U
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Abstract
The utility model discloses a be used for volatile organic compounds sample thief relates to sample thief technical field, solves the technical problem that there are particulate matter, detect the inaccuracy in the current sampling mechanism, the utility model discloses a loading board, loading board on connect gradually combination processing mechanism, VOCs detector and aspiration pump, combination processing mechanism include the casing, have adjustable dust removal chamber, compound heating chamber, catalytic oxidation reaction chamber and cooling chamber in the casing from left to right in proper order, the casing left side be provided with the sampling opening that communicates with adjustable dust removal chamber, adjustable dust removal chamber include square casing, adjustable filter mechanism and filter screen subassembly have been set gradually from left to right in the square casing; the utility model has the advantages of simple structure, reasonable in design and detect the accuracy.
Description
Technical Field
The utility model relates to a sample thief technical field, more specifically relate to a be used for volatile organic compounds sample thief for gather volatile organic compounds.
Background
Volatile Organic Compounds, commonly referred to as VOCs, are the first letter of the three Volatile Organic Compounds, and total Volatile Organic Compounds are sometimes also referred to as TVOC. According to the definition of the world health organization WHO, VOCsvollatile organic compounds are various organic compounds having a boiling point of 50 ℃ to 260 ℃ at normal temperature. In China, VOCs refer to organic compounds with saturated vapor pressure of more than 70Pa at normal temperature and boiling point of below 260 ℃ at normal pressure, or all organic compounds with vapor pressure of more than or equal to 10Pa and volatility at 20 ℃.
Volatile organic compounds can participate in atmospheric photochemical reaction to generate secondary pollutants, such as ozone (O3), peroxyacetyl nitrate, organic aerosol and the like, and meanwhile, aliphatic hydrocarbons, chlorinated hydrocarbons, aromatic hydrocarbons, chlorinated hydrocarbons, ketones, lipids, glycol ethers and esters thereof in the volatile organic compounds also have neurotoxicity, blood toxicity, hepatotoxicity and reproductive genetic toxicity, can directly influence the health and ecological environment of human bodies when being discharged into the atmosphere, can injure the liver, the kidney, the brain and the nervous system of people, and can cause serious consequences such as hypomnesis and the like, and even can cause cancers. Therefore, the detection of the concentration of the volatile organic compounds is particularly important, and the volatile organic compound sampling device has decisive influence on the detection result of the concentration of the volatile organic compounds.
However, the particulate matters in the existing sampling device have great influence on the detection result, and the defect of inaccurate detection of volatile organic compounds exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problem that there is the particulate matter among the current sampling mechanism, detect unsafe, the utility model provides a detect volatile organic compounds sample thief that the precision is high, long service life.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a be used for volatile organic compounds sample thief, includes the loading board, the loading board on have connected gradually combination processing mechanism, VOCs detector and aspiration pump, combination processing mechanism include the casing, from left to right have adjustable dust removal chamber, compound heating chamber, catalytic oxidation reaction chamber and cooling chamber in proper order in the casing, casing left side be provided with the sample connection of adjustable dust removal chamber intercommunication, adjustable dust removal chamber include square casing, from left to right have set gradually adjustable filter equipment and filter screen subassembly in the square casing.
Furthermore, the filter screen subassembly include one-level filter screen and second grade filter screen, the mesh of one-level filter screen be greater than with the mesh of second grade filter screen.
Further, filtering mechanism with adjustable include that vertical extension pole, mount and polylith are arranged from top to bottom the filter, every filter all articulates on vertical extension pole with one end, the other end handing-over of all filters except the filter of top is on the mount, the filter other end of top articulates at the inner wall top of square housing, the lower surface of the filter of bottom articulates there is the telescopic shaft of cylinder, the cylinder body of cylinder articulate the bottom in square housing.
Further, compound heating chamber including heating the cavity, heating the internal heating pipe subassembly that is provided with of cavity, heating pipe subassembly both ends extend heating the cavity and are provided with hot gas inlet and hot gas outlet, the outer wall of heating cavity on control be provided with respectively with the gas inlet and the gas outlet of the inside intercommunication of heating cavity, the gas outlet intercommunication in gas inlet and the adjustable dust removal chamber, the gas outlet communicates with the air inlet in catalytic oxidation reaction chamber.
Further, the cooling chamber include the cooling casing, be provided with snakelike cooling tube in the cooling casing, snakelike cooling tube both ends extend respectively the cooling casing and are connected with gas inlet A and gas outlet B, gas inlet A communicates with the gas outlet in catalytic oxidation reaction chamber, gas outlet B communicates with the air inlet of VOCs detector, is provided with cold water inlet and cold water outlet on the cooling casing.
Furthermore, a plurality of supporting legs are arranged at the bottom of the edge of the bearing plate, and a rotating wheel with a brake mechanism is arranged below each supporting leg.
The utility model has the advantages as follows:
1. the utility model has the advantages of simple structure, the utility model has the advantages of reasonable design, on the one hand through the layer-by-layer filtration dust removal of adjustable filter mechanism and filter screen subassembly in the adjustable dust removal chamber, the filter effect is good, reduce the influence of particulate matter in the volatile organic compounds to the VOCs detector, improve the detection precision of VOCs detector, it is convenient for heat volatile organic compounds through input steam in the heating cavity, catalytic oxidation to volatile organic compounds in the catalytic oxidation reaction chamber of being convenient for, reduce the volatile organic compounds emission, on the other hand passes through the cooling in cooling chamber, heat in the gas after the reduction catalytic oxidation discharges in the air, detect volatile organic compounds through the VOCs detector, reduce the content of discharging in the air, further reduce the pollution to the atmospheric environment.
2. The dust removal chamber with adjustable set up the filter effect good, adjustable filter mechanism, one-level filter screen and second grade filter screen, the mesh of one-level filter screen be greater than with the mesh of second grade filter screen, the setting of this kind of structure both can control adjustable filter mechanism's filtration angle, can filter the impurity in the volatile organic compounds again, has guaranteed the accuracy of testing result.
3. When the gas quality is required to be better, the filter plate is rotated to the horizontal position under the action of the hydraulic cylinder, and the adjustable filter mechanism cannot work; when the gas quality ratio is poor, make the filter rotate to vertical position, the filter can come angle of adjustment as required, thereby the filter effect of filter.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of an adjustable dust-removing chamber;
FIG. 3 is a schematic view of an adjustable filter mechanism;
fig. 4 is a schematic structural diagram of a composite heating chamber;
FIG. 5 is a schematic view of a cooling chamber configuration;
reference numerals: 1-rotating wheel, 2-air pump, 3-bearing plate, 4-VOCs detector, 5-cooling cavity, 5-1-cooling shell, 5-2-serpentine cooling pipe, 5-3-cold water outlet, 5-4-gas outlet B, 5-5-gas inlet A, 5-6-cold water inlet, 6-shell, 8-composite heating cavity, 8-1-hot gas outlet, 8-2-heating pipe component, 8-3-gas outlet, 8-4-heating cavity, 8-5-hot gas inlet, 8-6-gas inlet, 9-adjustable dedusting cavity, 9-1-square shell, 9-2-square shell and 9-3-adjustable filtering mechanism, 9-3.1-filter plate, 9-3.2-vertical extension rod, 9-3.3-fixing frame, 9-3.4-cylinder and 10-sampling port.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a sampler for volatile organic compounds, including a loading plate 3, the loading plate 3 on have connected gradually combination processing mechanism, VOCs detector 4 and aspiration pump 2, combination processing mechanism include a housing 6, adjustable dedusting cavity 9, composite heating cavity 8, catalytic oxidation reaction cavity 7 and cooling cavity 5 have been set gradually from left to right in the housing 6, the left side of the housing 6 be provided with a sampling port 10 communicated with adjustable dedusting cavity 9, adjustable dedusting cavity 9 include square housing 9-2, adjustable filtering mechanism 9-3 and filter screen assembly 9-1 have been set gradually from left to right in square housing 9-2.
The filter screen assembly 9-1 comprises a first-stage filter screen and a second-stage filter screen, and the meshes of the first-stage filter screen are larger than those of the second-stage filter screen.
In this embodiment, on the one hand, the successive layer through adjustable filtering mechanism and filter screen subassembly in the dust removal chamber with adjustable filters and removes dust, reduce the influence of particulate matter in the volatile organic compounds to the VOCs detector, improve the detection precision of VOCs detector, it heats volatile organic compounds to be convenient for through input steam in the heating cavity, catalytic oxidation to volatile organic compounds in the catalytic oxidation reacting chamber of being convenient for, reduce the volatile organic compounds emission, on the other hand is through the cooling in cooling chamber, heat in the gas after the reduction catalytic oxidation discharges in the air, detect volatile organic compounds through the VOCs detector, reduce the content of discharging in the air, further reduce the pollution to atmospheric environment.
Example 2
The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:
the adjustable filtering mechanism 9-3 comprises a vertical connecting rod 9-3.2, a fixing frame 9-3.3 and a plurality of filtering plates 9-3.1 which are arranged up and down, the same end of each filtering plate 9-3.1 is hinged on the vertical connecting rod 9-3.2, the other ends of all the filtering plates 9-3.1 except the uppermost filtering plate 9-3.1 are connected on the fixing frame 9-3.3, the other end of the uppermost filtering plate 9-3.1 is hinged on the top of the inner wall of the square shell 9-2, the lower surface of the lowermost filtering plate 9-3.1 is hinged with a telescopic shaft of an air cylinder 9-3.4, and the cylinder body of the air cylinder 9-3.4 is hinged on the inner bottom of the square shell 9-2.
In this embodiment, the dust removal chamber with adjustable set up the filter effect good, filtering mechanism, one-level filter screen and second grade filter screen with adjustable, the mesh of one-level filter screen be greater than with the mesh of second grade filter screen, the setting of this kind of structure both can control filtering mechanism's with adjustable filtration angle, can filter the impurity in the volatile organic compounds again, guaranteed the accuracy of testing result.
When the gas quality is required to be better, the filter plate is rotated to the horizontal position under the action of the hydraulic cylinder, and the adjustable filter mechanism cannot work; when the gas quality ratio is poor, make the filter rotate to vertical position, the filter can come angle of adjustment as required, thereby the filter effect of filter.
Example 3
The embodiment is further optimized on the basis of embodiment 1 or 2, and specifically comprises the following steps:
the composite heating cavity 8 comprises a heating cavity 8-4, a heating pipe assembly 8-2 is arranged in the heating cavity 8-4, two ends of the heating pipe assembly 8-2 extend out of the heating cavity 8-4 to be provided with a hot air inlet 8-5 and a hot air outlet 8-1, the left side and the right side of the outer wall of the heating cavity 8-4 are respectively provided with a gas inlet 8-6 and a gas outlet 8-3 which are communicated with the inside of the heating cavity 8-4, the gas inlet 8-6 is communicated with a gas outlet of the adjustable dedusting cavity 9, and the gas outlet 8-3 is communicated with a gas inlet of the catalytic oxidation reaction cavity 7.
The cooling cavity 5 comprises a cooling shell 5-1, a serpentine cooling pipe 5-2 is arranged in the cooling shell 5-1, two ends of the serpentine cooling pipe 5-2 extend out of the cooling shell 5-1 respectively and are connected with a gas inlet A5-5 and a gas outlet B5-4, the gas inlet A5-5 is communicated with a gas outlet of the catalytic oxidation reaction cavity 7, the gas outlet B5-4 is communicated with a gas inlet of the VOCs detector 4, and a cold water inlet 5-6 and a cold water outlet 5-3 are arranged on the cooling shell 5-1.
The bottom of the edge of the bearing plate 3 is provided with a plurality of supporting legs, and a rotating wheel 1 with a brake mechanism is arranged below each supporting leg.
Claims (6)
1. The utility model provides a be used for volatile organic compounds sample thief, includes loading board (3), its characterized in that, loading board (3) on have connected gradually combination processing mechanism, VOCs detector (4) and aspiration pump (2), combination processing mechanism include casing (6), from left to right have adjustable dust removal chamber (9), compound heating chamber (8), catalytic oxidation reaction chamber (7) and cooling chamber (5) in proper order in casing (6), casing (6) left side be provided with sampling port (10) of adjustable dust removal chamber (9) intercommunication, adjustable dust removal chamber (9) including square casing (9-2), from left to right have set gradually adjustable filter mechanism (9-3) and filter screen subassembly (9-1) in square casing (9-2).
2. The VOC sampler of claim 1, wherein said screen assembly (9-1) comprises a primary screen and a secondary screen, the primary screen having a larger mesh size than the secondary screen.
3. The VOC sampler according to claim 1 or 2, wherein the adjustable filter mechanism (9-3) comprises a vertical extension rod (9-3.2), a fixed frame (9-3.3), and a plurality of filter plates (9-3.1) arranged up and down, wherein the same end of each filter plate (9-3.1) is hinged on the vertical extension rod (9-3.2), the other ends of all the filter plates (9-3.1) except the uppermost filter plate (9-3.1) are connected on the fixed frame (9-3.3), the other end of the uppermost filter plate (9-3.1) is hinged on the top of the inner wall of the square housing (9-2), the lower surface of the lowermost filter plate (9-3.1) is hinged with a telescopic shaft of a cylinder (9-3.4), the cylinder body of the cylinder (9-3.4) is hinged at the bottom in the square shell (9-2).
4. The volatile organic compound sampler according to claim 1 or 2, wherein the composite heating cavity (8) comprises a heating cavity (8-4), a heating pipe assembly (8-2) is arranged in the heating cavity (8-4), a hot air inlet (8-5) and a hot air outlet (8-1) are arranged at two ends of the heating pipe assembly (8-2) extending out of the heating cavity (8-4), the left and right sides of the outer wall of the heating cavity (8-4) are respectively provided with a gas inlet (8-6) and a gas outlet (8-3) which are communicated with the inside of the heating cavity (8-4), the gas inlet (8-6) is communicated with the gas outlet of the adjustable dedusting cavity (9), and the gas outlet (8-3) is communicated with the gas inlet of the catalytic oxidation reaction cavity (7).
5. The volatile organic compound sampler according to claim 1, wherein the cooling chamber (5) comprises a cooling housing (5-1), a serpentine cooling pipe (5-2) is arranged in the cooling housing (5-1), two ends of the serpentine cooling pipe (5-2) extend out of the cooling housing (5-1) respectively and are connected with a gas inlet A (5-5) and a gas outlet B (5-4), the gas inlet A (5-5) is communicated with a gas outlet of the catalytic oxidation reaction chamber (7), the gas outlet B (5-4) is communicated with a gas inlet of the VOCs detector (4), and a cold water inlet (5-6) and a cold water outlet (5-3) are arranged on the cooling housing (5-1).
6. The VOC sampler according to claim 1, wherein a plurality of supporting legs are provided at the bottom of the edge of the carrier plate (3), and a rotating wheel (1) with a braking mechanism is provided under each supporting leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405543.2U CN211697133U (en) | 2019-12-27 | 2019-12-27 | Sampler for volatile organic compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405543.2U CN211697133U (en) | 2019-12-27 | 2019-12-27 | Sampler for volatile organic compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211697133U true CN211697133U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922405543.2U Active CN211697133U (en) | 2019-12-27 | 2019-12-27 | Sampler for volatile organic compounds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211697133U (en) |
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2019
- 2019-12-27 CN CN201922405543.2U patent/CN211697133U/en active Active
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