CN108007733A - A kind of pollution sources malodor sampling system - Google Patents
A kind of pollution sources malodor sampling system Download PDFInfo
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- CN108007733A CN108007733A CN201711406635.1A CN201711406635A CN108007733A CN 108007733 A CN108007733 A CN 108007733A CN 201711406635 A CN201711406635 A CN 201711406635A CN 108007733 A CN108007733 A CN 108007733A
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- sampling
- sampling pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of pollution sources malodor sampling system, including sampling pipe, exhaust tube and the circular connector in hollow structure, air admission hole is equipped with one end of the sampling pipe, the circular connector is arranged in the sampling pipe of the air inlet position, the circular connector is equipped with external screw thread in one end close to the air admission hole, and be engaged with the internal thread of the sampling pipe, internal thread is equipped with the other end of the circular connector, and be engaged with the external screw thread of the exhaust tube；The sampling pipe is stretched out in the one end of the exhaust tube away from the air admission hole, and is connected with airbag, and the airbag is arranged in vacuum sampling box；Exhaust tube is polyfluortetraethylene pipe；Temperature control box is further included, temperature control box is arranged on the one end of sampling pipe away from air admission hole, and temperature control box is electrically connected with the heating unit in sampling pipe.The beneficial effects of the invention are as follows：Structure setting advantages of simple, integrated level is high, and equipment small volume and less weight is easy to use.
Description
Technical field
The present invention relates to environmental monitoring sample devices field, more particularly to a kind of pollution sources malodor sampling system.
Background technology
Stench is the general name of various smells (peculiar smell).When the peculiar smell in environment reaches a certain level, can make one to feel not
Happiness, or even psychological impact and physiological hazard are produced to people, it is referred to as odor pollution.Due to stench to the respiratory system of the mankind,
The serious harm of nervous system and digestive system, have become after air, water quality, soil, noise, vibration and land subsidence it
The seventh-largest public hazards afterwards.With the significantly quickening of China's process of industrialization, and raising of the people to surrounding environment protective awareness,
Odor pollution becomes the focus and emphasis that environment is complained.
Foul gas sample in exhaust tube is gathered using the method for vacuum tank air bag at present, when delivery temperature is higher,
Need to give conduit water cooling or air cooling, make to enter sampler bag gas temperature close to room temperature.Need to be according to exhaust during sampling
Situation, determines the opportunity of sampling and restarts speed.
There are following drawback for such a method of sampling：1st, when sample collector manual hand manipulation gathers sample, for sample sack
The flow of air inlet is unable to control；2nd, such as delivery temperature is high, and inconvenience is cooled down to conduit.
The content of the invention
The technical problems to be solved by the invention be for existing foul gas sampling instrument it is inconvenient to use, automation journey
A kind of the defects of degree is not high, foul smell is readily adsorbed in instrument inner surface, there is provided pollution sources malodor sampling system.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of pollution sources malodor sampling system, including sampling
Pipe, exhaust tube and the circular connector in hollow structure, air admission hole, the circular connector are equipped with one end of the sampling pipe
It is arranged in the sampling pipe of the air inlet position, the circular connector is equipped with outer spiral shell in one end close to the air admission hole
Line, and in mating connection with the internal thread of the sampling pipe, internal thread is equipped with the other end of the circular connector, and with institute
The external screw thread for stating exhaust tube one end is in mating connection；The sampling pipe is stretched out in the one end of the exhaust tube away from the air admission hole,
And airbag is connected with, the airbag is arranged in vacuum sampling box；The exhaust tube is polyfluortetraethylene pipe；Further include temperature control
Box processed, the temperature control box are arranged on the one end of the sampling pipe away from the air admission hole, the temperature control box with it is described
Heating unit in sampling pipe is electrically connected.
The beneficial effects of the invention are as follows：Structure setting advantages of simple, integrated level is high, and equipment small volume and less weight is easy to use；It is logical
Set temperature control box is crossed, the convenient temperature that sampling pipe is adjusted according to gas sampling environment, prevents gas being evacuated in-tube condensation,
Ensure dry in exhaust tube；Exhaust tube is polyfluortetraethylene pipe, avoids foul smell from adsorbing the inner wall in exhaust tube, influences the survey of foul smell
Measure result；It by setting circular connector, on the one hand can play the role of fixed exhaust tube, prevent exhaust tube in sampling pipe
Rock, on the other hand, moreover it is possible to play the role of gas guiding, the gas for making to be pumped into is imported into exhaust tube from circular connector,
Without entering the gap between exhaust tube and sampling pipe.
Based on the above technical solutions, the present invention can also be improved as follows.
Further：The circular connector includes ring cover, filled section and linkage section, the ring cover and the filled section
It is an integral structure, the linkage section is connected with threaded one end of the filled section away from the ring cover, in the filled section
External screw thread is equipped with, and it is in mating connection with the internal thread of the sampling pipe；The outside diameter of the ring cover is more than the sampling pipe
Internal diameter；The outside diameter of the filled section is equal to the internal diameter of the sampling pipe；The internal diameter of the linkage section is equal to the exhaust tube
Outside diameter, is equipped with internal thread on the linkage section, and in mating connection with the external screw thread of described exhaust tube one end.
The above-mentioned further beneficial effect of scheme is：By setting ring cover, conveniently assembled, moreover it is possible to prevent annular even
Fitting is strayed into sampling pipe, causes equipment fault；Between filled section and sampling pipe, screw thread is used between linkage section and exhaust tube
Connection, structural stability are strong.
Further：Pure mineral wool is filled with the filled section；The ring cover is in the remote filled section
One end is equipped with the first separation net；The linkage section is equipped with the second separation net in one end close to the filled section.
The above-mentioned further beneficial effect of scheme is：By filling glass cotton, filtration treatment is carried out to the gas being pumped into, is prevented
Only the solid granulates impurity in gas enters in exhaust tube and results in blockage, and causes equipment fault；By setting the first separation net,
It can prevent mineral wool from being leaked out at ring cover；By setting the second separation net, prevent the mineral wool in filled section from entering pumping
Result in blockage in pipe, cause equipment fault.
Further：The internal diameter of the filled section is more than the internal diameter of the linkage section.
The above-mentioned further beneficial effect of scheme is：On the one hand the loading of mineral wool can be increased, is had to gas
The filtering of effect, on the other hand, can increase the inlet of gas, improve gas sampling efficiency.
Further：Be equipped with partition plate in the vacuum sampling box, the partition plate by the sampling box be separated into vacuum layer and
Placed layer, and the vacuum layer is located at the placed layer top；The airbag is arranged in the vacuum layer, in the placed layer
Interior to be equipped with aspiration pump, the bleeding point of the aspiration pump is connected with the vacuum layer.
The above-mentioned further beneficial effect of scheme is：By setting vacuum layer and placed layer, by built in aspiration pump, raising is adopted
The integrated level of sample system, device structure is simple, light compact.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the partial sectional view of sampling pipe of the present invention；
Fig. 3 is the structure diagram of circular connector of the present invention；
In attached drawing, the component names representated by each label are as follows：
1st, sampling pipe, 11, air admission hole, 2, temperature control box, 21, control panel, 22, power supply air plug head, 3, exhaust tube, 4,
Vacuum sampling box, 41, vacuum layer, 42, placed layer, 43, partition plate, 44, exhausting-gas hole, 5, airbag, 6, aspiration pump, 7, annular connection
Part, the 71, first separation net, 72, ring cover, 73, filled section, 74, linkage section, the 75, second separation net.
Embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of pollution sources malodor sampling system, during it includes sampling pipe 1, exhaust tube 3 and is in
The circular connector 7 of hollow structure, air admission hole 11 is equipped with one end of the sampling pipe 1, and the circular connector 7 is arranged on described
In the sampling pipe 1 at air admission hole 11, the circular connector 7 is equipped with external screw thread in one end close to the air admission hole 11,
And it is in mating connection with the internal thread of the sampling pipe 1, be equipped with internal thread in the other end of the circular connector 7, and with institute
The external screw thread for stating 3 one end of exhaust tube is in mating connection；The sampling is stretched out in the one end of the exhaust tube 3 away from the air admission hole 11
Pipe 1, and airbag 5 is connected with, the airbag 5 is arranged in vacuum sampling box 4；The exhaust tube 3 is polyfluortetraethylene pipe；Also wrap
Temperature control box 2 is included, the temperature control box 2 is arranged on the one end of the sampling pipe 1 away from the air admission hole 11, the temperature
Control box 2 is electrically connected with the heating unit in the sampling pipe 1.
Specifically, the heating unit in the sampling pipe 1 is heating tube, electromagnetic heating coil or heating rod.
Exhaust tube 3 is polyfluortetraethylene pipe, avoids foul smell from adsorbing the inner wall in exhaust tube 3, influences the measurement result of foul smell.
The airbag 5 samples special airbag for environment monitoring.
The temperature control box 2 is equipped with control panel 21 and power supply air plug first 22, and control panel 21 facilitates staff
According to the temperature of gas sampling environmental Kuznets Curves sampling pipe 1, power supply air plug first 22 is used to connect extraneous power supply for temperature control box 2.
As shown in figure 3, the circular connector 7 includes ring cover 72, filled section 73 and linkage section 74, the ring cover 72
It is an integral structure with the filled section 73, the linkage section 74 and one end spiral shell of the filled section 73 away from the ring cover 72
Line connects, and external screw thread is equipped with the filled section 73, and in mating connection with the internal thread of the sampling pipe 1；The annular
The outside diameter of lid 72 is more than the internal diameter of the sampling pipe 1；The outside diameter of the filled section 73 is equal to the internal diameter of the sampling pipe 1；It is described
The internal diameter of linkage section 74 is equal to the outside diameter of the exhaust tube 3, is equipped with internal thread on the linkage section 74, and with the exhaust tube
The external screw thread of 3 one end is in mating connection.
By setting circular connector 7, it on the one hand can play the role of fixed exhaust tube 3, prevent exhaust tube 3 from sampling
Rocked in pipe 1, on the other hand, moreover it is possible to play the role of gas guiding, the gas for making to be pumped into imported into pumping from circular connector 7
In pipe 3, without entering the gap between exhaust tube 3 and sampling pipe 1.
The internal diameter of the filled section 73 is more than the internal diameter of the linkage section 74；On the one hand the filling of mineral wool can be increased
Amount, effectively filters gas, on the other hand, can increase the inlet of gas, improve gas sampling efficiency.
Pure mineral wool is filled with the filled section 73；The ring cover 72 is in one away from the filled section 73
End is equipped with the first separation net 71；The linkage section 74 is equipped with the second separation net 75 in one end close to the filled section 73.
By filling glass cotton, filtration treatment is carried out to the gas being pumped into, prevents the solid granulates impurity in gas from entering
Result in blockage in exhaust tube 3, cause equipment fault；By setting the first separation net 71, mineral wool can be prevented from ring cover
Leaked out at 72；By setting the second separation net 75, prevent the mineral wool in filled section 73 from entering in exhaust tube 3 and resulting in blockage,
Cause equipment fault.
The sampling pipe 1 is made of titanium alloy material, corrosion-resistant high-temperature, durable.
Partition plate 43 is equipped with the vacuum sampling box 4, the sampling box 4 is separated into 41 He of vacuum layer by the partition plate 43
Placed layer 42, and the vacuum layer 41 is located at 42 top of placed layer；The airbag 5 is arranged in the vacuum layer 41,
Aspiration pump 6 is equipped with the placed layer 42, the bleeding point of the aspiration pump 6 connects through the partition plate 43 with the vacuum layer 41
It is logical.
Be equipped with exhausting-gas hole 44 in the side of the placed layer 42, for aspiration pump 6 pumping, in gas replenishment process with the external world into
Row gas exchanges.
Concrete model, structure and the operation principle of the aspiration pump 6 are existing known technology, and details are not described herein.
Embodiment：When carrying out gas sampling, a certain amount of pure mineral wool of filling first in filled section 73, so
Assembly and connection section 74 and exhaust tube 3, filled section 73 and linkage section 74, filled section 73 and sampling pipe 1, exhaust tube 3 are gentle successively afterwards
Bag 5；After being completed, the air-tightness of this pollution sources malodor sampling system need to be checked, using aspiration pump 6 to vacuum layer 41
Interior inflation, is extruded the gas in airbag 5, then blocks air admission hole 11, vacuum layer 41 is carried out using aspiration pump 6 to vacuumize place
Reason, while observes whether airbag 5 expands, if there is situation about expanding in airbag 5, the malodor sampling system gas leakage of this pollution sources, so
After further confirm that Gas leak position, if airbag 5 does not expand, this pollution sources malodor sampling system is air tight, carry out foul gas
Sampling operation.
When carrying out foul gas sampling, according to gas sampling environment, control panel 21 is operated, adjusts the temperature of sampling pipe 1
Degree, makes exhaust tube 3 be constantly in dry state；Then sampling pipe 1 is put into the flue of enterprise's discharge exhaust gas, recycles and take out
Air pump 6 carries out vacuumize process to vacuum layer 41, vacuum layer 41 is in the state of negative pressure, and the gas in flue will be inhaled automatically
Enter in airbag 5, realize the collection of pollution sources foul smell.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (5)
- A kind of 1. pollution sources malodor sampling system, it is characterised in that：Including sampling pipe (1), exhaust tube (3) and in hollow structure Circular connector (7), air admission hole (11) is equipped with one end of the sampling pipe (1), and the circular connector (7) is arranged on described In the sampling pipe (1) at air admission hole (11) place, the circular connector (7) is equipped with one end close to the air admission hole (11) External screw thread, and it is in mating connection with the internal thread of the sampling pipe (1), it is equipped with the other end of the circular connector (7) interior Screw thread, and it is in mating connection with the external screw thread of the exhaust tube (3) one end；The exhaust tube (3) is away from the air admission hole (11) One end stretch out the sampling pipe (1), and be connected with airbag (5), the airbag (5) is arranged in vacuum sampling box (4)；It is described Exhaust tube (3) is polyfluortetraethylene pipe；Temperature control box (2) is further included, the temperature control box (2) is arranged on the sampling pipe (1) one end away from the air admission hole (11), the temperature control box (2) are electrically connected with the heating unit in the sampling pipe (1) Connect.
- A kind of 2. pollution sources malodor sampling system according to claim 1, it is characterised in that：Circular connector (7) bag Ring cover (72), filled section (73) and linkage section (74) are included, the ring cover (72) and the filled section (73) are integral type knot Structure, the linkage section (74) is connected with the threaded one end of the filled section (73) away from the ring cover (72), in the filling Section (73) is equipped with external screw thread, and in mating connection with the internal thread of the sampling pipe (1)；The outside diameter of the ring cover (72) is big Internal diameter in the sampling pipe (1)；The outside diameter of the filled section (73) is equal to the internal diameter of the sampling pipe (1)；The linkage section (74) internal diameter is equal to the outside diameter of the exhaust tube (3), is equipped with internal thread on the linkage section (74), and with the exhaust tube (3) external screw thread of one end is in mating connection.
- A kind of 3. pollution sources malodor sampling system according to claim 2, it is characterised in that：Filled out in the filled section (73) Filled with pure mineral wool；The ring cover (72) is equipped with the first separation net (71) in one end away from the filled section (73)； The linkage section (74) is equipped with the second separation net (75) in one end close to the filled section (73).
- A kind of 4. pollution sources malodor sampling system according to claim 3, it is characterised in that：The internal diameter of the filled section (73) More than the internal diameter of the linkage section (74).
- A kind of 5. pollution sources malodor sampling system according to claim 1, it is characterised in that：In the vacuum sampling box (4) Interior to be equipped with partition plate (43), the sampling box (4) is separated into vacuum layer (41) and placed layer (42) by the partition plate (43), and described Vacuum layer (41) is located at the placed layer (42) top；The airbag (5) is arranged in the vacuum layer (41), in the placement Aspiration pump (6) is equipped with layer (42), the bleeding point of the aspiration pump (6) is connected with the vacuum layer (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406635.1A CN108007733A (en) | 2017-12-22 | 2017-12-22 | A kind of pollution sources malodor sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406635.1A CN108007733A (en) | 2017-12-22 | 2017-12-22 | A kind of pollution sources malodor sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108007733A true CN108007733A (en) | 2018-05-08 |
Family
ID=62060739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711406635.1A Pending CN108007733A (en) | 2017-12-22 | 2017-12-22 | A kind of pollution sources malodor sampling system |
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