CN213079516U - A preceding processing apparatus for extracting organic pollutant among solid waste - Google Patents
A preceding processing apparatus for extracting organic pollutant among solid waste Download PDFInfo
- Publication number
- CN213079516U CN213079516U CN202021718873.3U CN202021718873U CN213079516U CN 213079516 U CN213079516 U CN 213079516U CN 202021718873 U CN202021718873 U CN 202021718873U CN 213079516 U CN213079516 U CN 213079516U
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- China
- Prior art keywords
- extraction
- pipe
- tube
- absorption tube
- moisture absorption
- Prior art date
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- 239000002910 solid waste Substances 0.000 title claims abstract description 22
- 239000002957 persistent organic pollutant Substances 0.000 title claims abstract description 13
- 238000000605 extraction Methods 0.000 claims abstract description 49
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000010521 absorption reaction Methods 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000002250 absorbent Substances 0.000 claims abstract description 9
- 230000002745 absorbent Effects 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 239000000356 contaminant Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000012855 volatile organic compound Substances 0.000 description 5
- OKTJSMMVPCPJKN-NJFSPNSNSA-N Carbon-14 Chemical compound [14C] OKTJSMMVPCPJKN-NJFSPNSNSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000000944 Soxhlet extraction Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000001926 trapping method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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- Treating Waste Gases (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a preceding processing apparatus for extracting organic pollutant among solid waste, including nitrogen gas jar, extraction bottle, moisture absorption tube, condenser pipe, the air pump is installed to nitrogen gas jar upper end, the air pump is given vent to anger the end and is passed through nitrogen gas transmission pipe connection closing plate, sealing plate connection is in on the extraction bottle, the extraction bottle lower extreme is provided with the seat of heating, the closing plate other end is connected with the extraction tube, the order is provided with on the extraction tube the moisture absorption tube condenser pipe, active carbon absorption tube, the inside moisture absorbent that is provided with of moisture absorption tube, the inside active carbon that is provided with of active carbon absorption tube, the extraction tube is connected through connecting the sealed dish the moisture absorption tube active carbon absorption tube. The utility model discloses compare with the conventional method and have the advantage that extraction efficiency is high, easy and simple to handle, instrumentation is simple, utilize quick detach structure, make things convenient for the convenience of the maintenance in later stage and operation.
Description
Technical Field
The utility model relates to a solid waste handles the field, especially relates to a preceding processing apparatus for extracting organic pollutant among solid waste.
Background
The identification of leaching toxicity of dangerous solid wastes is an important research direction for identifying the properties of the solid wastes and preventing and treating the pollution of the solid wastes, and toxic substances in the solid wastes mainly comprise metal ions, inorganic salt ions, organic pollutants and the like, wherein the organic pollutants are the most main pollutants in the dangerous solid wastes. The detection method of the organic pollutants mainly comprises a gas chromatography, a liquid chromatography, a gas chromatography-mass spectrometry combined method and the like, and the extraction of the pollutants to be detected in the solid waste is the primary step of qualitative and quantitative detection.
At present, the extraction of organic pollutants mainly comprises technologies such as Soxhlet extraction, static headspace sampling, purging, trapping and sampling, wherein the Soxhlet extraction mainly aims at organic matters which are insoluble in water and have higher boiling points, and has the advantages of good extraction selectivity, simple equipment and the like, but the extraction time consumption is long, and the extraction efficiency of the organic matters with lower boiling points is poor; the static headspace sampling, purging and trapping methods mainly aim at volatile organic compounds, and have the advantages of high efficiency, simplicity and convenience in operation and the like, but the equipment is complex and the detection cost is high.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide a pretreatment device for extracting organic pollutants from solid waste to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a preceding processing apparatus for drawing organic pollutant among solid waste, includes the nitrogen gas jar, draws bottle, moisture absorption tube, condenser pipe, the air pump is installed to nitrogen gas jar upper end, the air pump is given vent to anger the end and is passed through nitrogen gas transmission pipe and connect the closing plate, the closing plate is connected on drawing the bottle, it is provided with the seat that heats to draw the bottle lower extreme, the closing plate other end is connected with the extraction tube, be provided with in proper order on the extraction tube the moisture absorption tube condenser pipe, active carbon absorption tube, the inside moisture absorbent that is provided with of moisture absorption tube, the inside active carbon that is provided with of active carbon absorption tube, the extraction tube is connected through connecting sealed dish the moisture absorption tube active carbon absorption tube.
Preferably: the air pump is connected with the nitrogen tank through threads, and the nitrogen transmission pipe is connected with the air pump through threads.
So set up, the air pump plays control break-make and provides power effect, has guaranteed the leakproofness through threaded connection.
Preferably: the gas outlet end of the nitrogen transmission pipe penetrates through the sealing plate and extends into the bottom of the extraction bottle, the extraction pipe penetrates through the sealing plate, and the gas inlet end of the extraction pipe is located at the top of the extraction bottle.
So set up, the closing plate cooperation draw the bottle and guaranteed the leakproofness, avoid nitrogen gas to reveal and guarantee that the gas after handling can effectively be retrieved.
Preferably: the connection sealed dish passes through welded connection the extraction tube, the connection sealed dish passes through the buckle and connects the moisture absorption tube the active carbon absorption tube.
So set up, thereby connect the sealing plate and play the quick connection effect and make things convenient for the later stage to change moisture absorbent and active carbon.
Preferably: the condenser tube is connected to the extraction tube by welding.
So set up, the condenser pipe plays the condensation effect, has guaranteed the leakproofness through the welding.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. compared with the traditional method, the method has the advantages of high extraction efficiency, simple operation and simple instrument and equipment;
2. the quick-release structure is utilized, and later maintenance and operation convenience are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a pretreatment apparatus for extracting organic contaminants from solid waste in accordance with the present invention;
FIG. 2 is a schematic view of an extraction tube structure of a pretreatment apparatus for extracting organic contaminants from solid waste in accordance with the present invention;
fig. 3 is a schematic diagram of the internal structure of a pretreatment device for extracting organic pollutants from solid waste according to the present invention.
The reference numerals are explained below:
1. a nitrogen tank; 2. a nitrogen conveying pipe; 3. an extraction bottle; 4. a heating base; 5. a sealing plate; 6. a moisture absorbing pipe; 7. an extraction tube; 8. a condenser tube; 9. an activated carbon absorption tube; 11. connecting the sealing disc; 12. an air pump; 13. a moisture absorbent; 14. activated carbon.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
example 1
As shown in fig. 1-3, a preceding processing apparatus for extracting organic pollutants in solid waste, including nitrogen gas jar 1, extract bottle 3, moisture absorption tube 6, condenser pipe 8, nitrogen gas jar 1 installs air pump 12 in the upper end, air pump 12 gives vent to anger the end and passes through nitrogen gas transmission pipe 2 and connect sealing plate 5, sealing plate 5 connects on extract bottle 3, extract bottle 3 lower extreme is provided with heating seat 4, the sealing plate 5 other end is connected with extraction tube 7, be provided with moisture absorption tube 6 on the extraction tube 7 in proper order, condenser pipe 8, activated carbon absorption tube 9, moisture absorption tube 6 is inside to be provided with moisture absorbent 13, activated carbon absorption tube 9 is inside to be provided with active carbon 14, extraction tube 7 connects moisture absorption tube 6, activated carbon absorption tube 9 through connecting sealed dish 11.
Preferably: the air pump 12 is connected with the nitrogen tank 1 through threads, the nitrogen transmission pipe 2 is connected with the air pump 12 through threads, the air pump 12 plays a role in controlling on-off and providing power, and the tightness is ensured through threaded connection; the gas outlet end of the nitrogen transmission pipe 2 penetrates through the sealing plate 5 and extends into the bottom of the extraction bottle 3, the extraction pipe 7 penetrates through the sealing plate 5, the gas inlet end of the extraction pipe is positioned at the top of the extraction bottle 3, the sealing plate 5 is matched with the extraction bottle 3 to ensure the sealing property, the nitrogen leakage is avoided, and the treated gas can be effectively recovered; the connecting sealing disc 11 is connected with the extraction pipe 7 through welding, the connecting sealing disc 11 is connected with the moisture absorption pipe 6 and the activated carbon absorption pipe 9 through a buckle, and the connecting sealing disc 11 plays a role in quick connection so as to facilitate the replacement of the moisture absorbent 13 and the activated carbon 14 in the later period; condenser pipe 8 passes through welded connection extraction tube 7, and condenser pipe 8 plays the condensation, has guaranteed the leakproofness through the welding.
The working principle is as follows: taking waste plastics as an example, weighing a proper amount of waste plastics, placing the waste plastics in an extraction bottle 3, placing the extraction bottle 3 on a heating seat 4, slowly heating to 100 ℃, simultaneously using an air pump 12-position nitrogen transmission pipe 2 to supply air to enable nitrogen to sweep a sample, enabling volatile organic compounds in the sample to volatilize and enter an air flow, enabling the volatile organic compounds to enter an extraction pipe 7 along with the air flow, enabling the volatile organic compounds to enter an extraction pipe 7 and reach a moisture absorption pipe 6 through the extraction pipe 7, enabling the moisture absorption pipe 6 to be filled with a moisture absorbent 13, namely anhydrous sodium sulfate, enabling the moisture in the air flow to be absorbed by the moisture absorbent 13, enabling the air flow to enter a condensation pipe 8, enabling the condensation pipe 8 to provide 5 ℃ condensed water through an external condensation device, enabling the air flow to enter an active carbon absorption pipe 9 after cooling, enabling the active carbon 14 to be filled in the active carbon absorption pipe 9, enabling the volatile organic compounds in the air flow to be, meanwhile, an extracting agent is used for washing the gas flow moisture absorption pipe 6 and the condensing pipe 8, the solution is combined, and the gas chromatograph is used for analysis after the steps of concentration and the like.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. A pretreatment device for extracting organic pollutants from solid waste is characterized in that: including nitrogen gas jar (1), extract bottle (3), moisture absorption tube (6), condenser pipe (8), air pump (12) are installed to nitrogen gas jar (1) upper end, air pump (12) are given vent to anger the end and are passed through nitrogen gas transmission pipe (2) and connect closing plate (5), closing plate (5) are connected on extracting bottle (3), it is provided with heating seat (4) to extract bottle (3) lower extreme, closing plate (5) other end is connected with extraction tube (7), be provided with in proper order on extraction tube (7) moisture absorption tube (6), condenser pipe (8), active carbon absorption tube (9), moisture absorption tube (6) inside is provided with moisture absorbent (13), active carbon absorption tube (9) inside is provided with active carbon (14), extraction tube (7) are connected through connecting sealed dish (11) moisture absorption tube (6), The activated carbon absorption tube (9).
2. A pretreatment device for extracting organic contaminants from solid waste according to claim 1, wherein: the air pump (12) is connected with the nitrogen tank (1) through threads, and the nitrogen conveying pipe (2) is connected with the air pump (12) through threads.
3. A pretreatment device for extracting organic contaminants from solid waste according to claim 1, wherein: the gas outlet end of the nitrogen transmission pipe (2) penetrates through the sealing plate (5) and extends into the bottom of the extraction bottle (3), the extraction pipe (7) penetrates through the sealing plate (5) and the gas inlet end of the extraction pipe is located at the top of the extraction bottle (3).
4. A pretreatment device for extracting organic contaminants from solid waste according to claim 1, wherein: connect sealed dish (11) through welded connection extraction pipe (7), connect sealed dish (11) and connect through the buckle moisture absorption pipe (6) activated carbon absorption pipe (9).
5. A pretreatment device for extracting organic contaminants from solid waste according to claim 1, wherein: the condensation pipe (8) is connected with the extraction pipe (7) through welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718873.3U CN213079516U (en) | 2020-08-18 | 2020-08-18 | A preceding processing apparatus for extracting organic pollutant among solid waste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021718873.3U CN213079516U (en) | 2020-08-18 | 2020-08-18 | A preceding processing apparatus for extracting organic pollutant among solid waste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213079516U true CN213079516U (en) | 2021-04-30 |
Family
ID=75630523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021718873.3U Expired - Fee Related CN213079516U (en) | 2020-08-18 | 2020-08-18 | A preceding processing apparatus for extracting organic pollutant among solid waste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213079516U (en) |
-
2020
- 2020-08-18 CN CN202021718873.3U patent/CN213079516U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |