CN206832531U - A kind of vacuum gas sampler - Google Patents
A kind of vacuum gas sampler Download PDFInfo
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- CN206832531U CN206832531U CN201720346704.3U CN201720346704U CN206832531U CN 206832531 U CN206832531 U CN 206832531U CN 201720346704 U CN201720346704 U CN 201720346704U CN 206832531 U CN206832531 U CN 206832531U
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Abstract
The utility model discloses a kind of vacuum gas sampler, it is larger to solve existing vacuum core sampler weight, the problem of operation is more inconvenient, its drip irrigation device is a kind of vacuum gas sampler, including sampling cylinder, the sampling cylinder includes cylinder and sealing cover, bleeding point and thief hatch are offered on the cylinder, sampler bag is provided with the cylinder, the sack of the sampler bag connects with thief hatch, also include being used for the manual suction pump for extracting gas in cylinder, the manual suction pump is connected with bleeding point by the first airway tube.It is smaller with weight, it is easy to carry about with one, operates the advantages of more convenient.
Description
Technical field
A kind of harvester is the utility model is related to, more specifically, it relates to a kind of vacuum gas sampler.
Background technology
In environmental protection, spices manufacturing industry or daily chemical industry etc. much produce the industry of peculiar smell, it is often necessary to right
The intensity and concentration of gas are sampled test.Because gas is often in instantaneous generation or intermittent discharge, can sample
Time is shorter, and sampling site also tends to no power supply or other power, thus brings certain difficulty to the collection of gaseous sample.Once
The shortcomings that someone gathers gaseous sample using common injector for medical purpose, but such a sampling apparatus at least two is obvious, one
It is that gaseous sample amount is smaller, two are due to syringe break-in partial adsorbates sample gas and cause the damage of efficiently sampling gas
Lose.
At present, Publication No. CN200968909Y Chinese patent discloses a kind of Stench gas sampler of urban area pollution source, it
Including sampler, sampling tank, sampling gun；Sampler includes housing, minipump-micro air pump, four-way control valve, motor,
Power supply；Housing is provided with power gas interface, and power gas interface is connected with four-way control valve with pipeline, four-way control valve with it is micro-
Type vavuum pump-micro air pump is connected with pipeline, and minipump-micro air pump and motor are to be driven axis connection；Minipump-
Micro air pump, motor are connected with wire with power supply respectively；Sampling tank includes staving and sealing cover；Power is provided with staving
Gas interface and Sampling Interface, staving is interior to place sampler bag；Power gas interface communicates with staving, sampler bag sack and sampling
Interface connects.Sampling gun is tubular, and one end is outlet side, and the other end is suction end.The power gas interface of sampler and sampling
The power gas interface of bucket is connected with pipeline, the outlet side socket connection of the Sampling Interface and sampling gun of sampling tank.
, it is necessary to the power gas interface of the power interface of sampler and sampling cylinder be connected, constantly to adopting in sampling process
Sample cylinder carries out inflation/deflation and carries out gas washing, and after the gas in sampling cylinder is taken out again, negative pressure, extraneous gas are formed in sampling cylinder
It can gather to sampler bag, realize sampling process；But due to being added with the devices such as power supply, motor and air pump in sampler,
The weight of sampler is larger, and when needing continuous transformed samples position, sampler is not portable, and gas sampling process operates not
Just.
Utility model content
In view of the deficienciess of the prior art, the utility model is to provide a kind of vacuum gas sampler, there is weight
It is smaller, it is easy to carry about with one, operates the advantages of more convenient.
To achieve the above object, the utility model provides following technical scheme：A kind of vacuum gas sampler, including adopt
Sample cylinder, the sampling cylinder include cylinder and sealing cover, offer bleeding point and thief hatch on the cylinder, set in the cylinder
There is sampler bag, the sack of the sampler bag connects with thief hatch, in addition to for extracting the manual suction pump of gas in cylinder, institute
Manual suction pump is stated to connect by the first airway tube with bleeding point.
By using above-mentioned technical proposal, the air extractors such as original power supply, motor and air pump are replaced with into manual pumping
Pump, then manual suction pump is connected on cylinder by the first airway tube, manual suction pump is constantly pressed, aspiration pump can be to close
The sampling cylinder of envelope is evacuated, and vacuum state is formed in sampling cylinder, and sampler bag needs continuous air-breathing with negative in balanced sample cylinder
Pressure, realizes the sampling functions of sampler, and substituted for the larger sampler of original weight, and sampler is easy to carry about with one, sampling
Process is more convenient.
The utility model is further arranged to：Inflation inlet is offered on the cylinder, in addition to for cylinder inflation
Manual pumps, the inflation inlet are connected with manual pumps by the second airway tube.
Need constantly to be evacuated the sampling cylinder of sealing, it is necessary to enter to wash bag to sampler bag before gas sampling, when washing bag
And inflation, by using above-mentioned technical proposal, after pressing manual pumps, manual pumps can be constantly to the sampling cylinder of sealing
It is inflated, sampling cylinder pressure constantly increases, and sampler bag needs the gas constantly in releasing bag with the high pressure in surge drum, real
The deflation of sampler bag is showed；Manual suction pump is constantly pressed again, you can realizes the inflation of sampler bag, said process alternately enters
OK, a bag process of washing for sampler bag is realized, and is operated relatively simple.
The utility model is further arranged to：The cartridge filter for filtering gas is fixedly connected with the cylinder, it is described
Cartridge filter is communicated with the sampling pipe on thief hatch, the other end position of the sampling pipe built with filtered fluid in the cylinder
In in filtered fluid, escape pipe is provided with the cartridge filter, one end of the escape pipe is located at outside filtered fluid, in the other end and cylinder
Portion connects, and the sampler bag is set in the outer end of escape pipe.
, it is necessary to remove some gases during for some gas samplings, therefore filter is needed, by using above-mentioned technical side
Case, operator constantly press manual suction pump, and negative pressure state is formed in sampling cylinder, and gas is entered by thief hatch and sampling pipe to be filtered
In cylinder, for gas subsequently into the filtering in filtered fluid, realizing gas, gas receives larger buoyancy, gas in filtered fluid
The upper end of cartridge filter is risen to, gas enters in sampler bag by escape pipe, realizes the gas after resampling filter.
The utility model is further arranged to：Communicating pipe is communicated with the sampling pipe, is located on liquid level the communicating pipe
Side, the described one end of connection away from sampling pipe are fixedly connected with the first check valve, and the gas is unidirectional from communicating pipe to sampling pipe
Flowing.
Due to needing after gas is passed through in sampler bag, it is necessary to again by the gas taking-up in sampler bag, to carry out washing a bag mistake
Journey, but the gas on filtering liquid level is difficult to be again introduced into filtered fluid, is discharged from sampling pipe, by using above-mentioned technical side
Case, the gas in cartridge filter can pass through the first check valve and be reached from communicating pipe in sampling pipe, finally discharge sampling cylinder so that wash
Bag process can continue to carry out.
The utility model is further arranged to：The upper end of the cartridge filter is provided with inlet, and the lower end of the cartridge filter is set
Have a liquid outlet, the other end of the inlet and liquid outlet is respectively positioned on the outside of sampling cylinder, the inlet with liquid outlet
It is embedded with sealing-plug.
By using above-mentioned technical proposal, operator directly can pour into from the outside of sampling cylinder by filtered fluid from inlet
Cartridge filter, while after the completion of gas sampling, after operator's extraction of closure plug, filtered fluid directly can flow out from cartridge filter, side
Filtered fluid replacing.
The utility model is further arranged to：It is communicated with the second check valve on the bleeding point, the gas is from sampling cylinder
It is outer to pass through one-way flow in the second check valve to sampling cylinder；It is communicated with the 3rd check valve on the inflation inlet, the gas is from adopting
By one-way flow outside the 3rd check valve to sampling cylinder in sample cylinder.
By using above-mentioned technical proposal, the setting of the second check valve and the 3rd check valve so that manual pumps and hand
During dynamic pumping pump work, gas can only one-way flow, pressure at that time can be kept in sampling cylinder, reduce that pressure leaks can
Energy.
The utility model is further arranged to：Visual windows are offered on the cylinder, are provided with the visual windows
Visual window.
By using above-mentioned technical proposal, operator can observe the size of sampler bag from outside, when sampler bag is full of
Afterwards, operator can stop being evacuated, and sampler bag is taken out, and complete sampling operation.
The utility model is further arranged to：Pressure modulating opening is offered on the cylinder, is threaded with the pressure modulating opening
Pressure-regulating sleeve.
When taking out sampler bag, possibility that the pressure in sampling cylinder has differences with ambient pressure, by using above-mentioned technology
Scheme, after outwarding winding pressure-regulating sleeve so that the pressure in sampling cylinder is identical with ambient pressure, is easy to sealing cover to be taken out from cylinder,
Facilitate the taking-up of sampler bag.
In summary, the utility model has the advantages that：Manually aspiration pump substituted for manual pumps
The larger sampler of original weight, sampler are easy to carry about with one, and sampling process is more convenient.
Brief description of the drawings
Fig. 1 is the stereogram of the present embodiment；
Fig. 2 is enlarged drawing at Fig. 1 A；
Fig. 3 is the explosive view of the present embodiment；
Fig. 4 is the sectional view of the present embodiment；
Fig. 5 is enlarged drawing at Fig. 4 B.
Reference：1st, sampling cylinder；2nd, cylinder；3rd, cover is sealed；4th, bleeding point；5th, inflation inlet；6th, the second check valve；7、
3rd check valve；8th, the first airway tube；9th, the second airway tube；10th, manual suction pump；11st, manual pumps；12nd, pressure modulating opening；
13rd, pressure-regulating sleeve；14th, handle；15th, visual windows；16th, visual window；17th, thief hatch；18th, cartridge filter；19th, filtered fluid；20th, feed liquor
Mouthful；21st, liquid outlet；22nd, sealing-plug；23rd, sampling pipe；24th, communicating pipe；25th, the first check valve；26th, escape pipe；27th, sampler bag.
Embodiment
The utility model is described further referring to figs. 1 to Fig. 5.
As shown in Figure 1 to Figure 3, a kind of vacuum gas sampler, including sampling cylinder 1, sampling cylinder 1 are columned including one
Cylinder 2, the upper end of cylinder 2 are provided with a sealing cover 3；The front and rear sides of cylinder 2 offer bleeding point 4 and inflation inlet 5, pumping
Mouth 4 can connect with inflation inlet 5 with the inside of cylinder 2；The second check valve 6 is arranged with bleeding point 4, is arranged on inflation inlet 5
There is the 3rd check valve 7, the first airway tube 8 is embedded with the second check valve 6 of front side, the other end of the first airway tube 8 is connected with
Manual suction pump 10；The second airway tube 9 is embedded with 3rd check valve 7 of front side, the other end of the second airway tube 9 is connected with hand
Dynamic aspiration pump 10；The outside of cylinder 2 is further opened with pressure modulating opening 12, and pressure modulating opening 12 connects with the inside of cylinder 2, spiral shell on pressure modulating opening 12
Line is connected with pressure-regulating sleeve 13；The left and right ends of cylinder 2 are provided with handle 14, and the lower end of handle 14 is provided with visual windows 15, visual windows
Visual window 16 is embedded with 15.
Such as Fig. 2, Fig. 4 and Fig. 5, thief hatch 17 is offered on cylinder 2, it is internal in cylinder 2 to be fixedly connected with cartridge filter 18, mistake
Filter cylinder 18 is fixedly connected with inlet 20 built with filtered fluid 19, the upper end of cartridge filter 18, and lower end is fixedly connected with liquid outlet 21,
Inlet 20 and liquid outlet 21 connect with the outer end of cylinder 2, and inlet 20 is with having abutted sealing-plug 22 on liquid outlet 21；Filtering
The sampling pipe 23 of L-shaped is also equipped with cylinder 18, the outer end of sampling pipe 23 can abut and pass through the outer end of thief hatch 17 and cylinder 2
Connection, the inner of sampling pipe 23 are located in cartridge filter 18 and in filtered fluid 19, and the right-hand member of sampling pipe 23 is also communicated with connection
Pipe 24, the other end of communicating pipe 24 are also fixedly connected with the first check valve 25, and it is unidirectional that the gas in cartridge filter 18 can pass through first
Outside valve 25, communicating pipe 24 and the outflow tube 2 of sampling pipe 23；Escape pipe 26, one end position of escape pipe 26 are equipped with cartridge filter 18
In the top of the filtered fluid 19 in sampling cylinder 1, sampler bag 27 can be set in the outer end of escape pipe 26.
Operation principle：Cover sealing cover 3 so that sealed environment is formed in sampling cylinder 1, the sealing-plug 22 of upper end is beaten
Open, different liquid is loaded in cartridge filter 18 so that liquid can not have the lower end of over-sampling pipe 23, then sealing-plug 22 is filled in
On；Manual pumps 11 are pressed, the pressure in sampling cylinder 1 constantly increases, and the pressure in cartridge filter 18 constantly increases, cartridge filter
Gases at high pressure in 18 can open the first check valve 25, and gases at high pressure are to the lateral fluid of cylinder 2, and the gas in sampler bag 27 is not
It is disconnected to reduce, realize the deflation of sampler bag 27；Manual suction pump 10 is pressed, the pressure in sampling cylinder 1 constantly reduces, and cartridge filter
Pressure in 18 constantly reduces, and the air pressure outside cylinder 2 is larger, and atmosphere gas is pressed into sampling pipe 23, and the first check valve 25
Cut-off, gas are flowed out in filtered fluid 19 from the lower end of sampling pipe 23, and the buoyancy of gas is larger, and gas is constantly out of filtered fluid 19
Rise, and gas can filter by filtered fluid 19, be constantly filled with gas in cartridge filter 18, realize the inflation of sampler bag 27；
Above-mentioned two process constantly alternately, realize sampler bag 27 washes bag.
The sampling that sampler bag 27 can be achieved in process is inflated again, after the completion of sampling, Unscrew pressure-regulating sleeve 13, cylinder
The external and internal pressure of body 2 is identical, and now sealing cover 3 can remove, and further take out sampler bag 27 and complete sampling process.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of vacuum gas sampler, including sampling cylinder (1), the sampling cylinder (1) includes cylinder (2) and sealing cover (3),
Bleeding point (4) and thief hatch (17) are offered on the cylinder (2), sampler bag (27), the sampling are provided with the cylinder (2)
The sack of bag (27) connects with thief hatch (17), it is characterised in that：Also include being used for the manual pumping for extracting cylinder (2) interior gas
Pump (10), the manual suction pump (10) are connected with bleeding point (4) by the first airway tube (8).
A kind of 2. vacuum gas sampler according to claim 1, it is characterised in that：Offer and fill on the cylinder (2)
Gas port (5), in addition to for the manual pumps (11) to cylinder (2) inflation, the inflation inlet (5) and manual pumps (11)
Connected by the second airway tube (9).
A kind of 3. vacuum gas sampler according to claim 2, it is characterised in that：It is fixedly connected in the cylinder (2)
Have for filtering the cartridge filter of gas (18), the cartridge filter (18) is built with filtered fluid (19), the interior company of being provided with of the cylinder (2)
The sampling pipe (23) led on thief hatch (17), the other end of the sampling pipe (23) are located in filtered fluid (19), the filtering
Escape pipe (26) is provided with cylinder (18), one end of the escape pipe (26) is located at filtered fluid (19) outside, and the other end is interior with cylinder (2)
Portion connects, and the sampler bag (27) is set in the outer end of escape pipe (26).
A kind of 4. vacuum gas sampler according to claim 3, it is characterised in that：It is communicated with the sampling pipe (23)
Communicating pipe (24), the communicating pipe (24) are located at ullage, and the described one end of connection away from sampling pipe (23) is fixedly connected with
First check valve (25), the gas is from communicating pipe (24) to sampling pipe (23) one-way flow.
A kind of 5. vacuum gas sampler according to claim 3, it is characterised in that：The upper end of the cartridge filter (18) is set
There is inlet (20), the lower end of the cartridge filter (18) is provided with liquid outlet (21), the inlet (20) and liquid outlet (21)
The other end is respectively positioned on the outside of sampling cylinder (1), and the inlet (20) on liquid outlet (21) with being embedded with sealing-plug (22).
A kind of 6. vacuum gas sampler according to claim 2, it is characterised in that：It is communicated with the bleeding point (4)
Second check valve (6), the gas is from sampling cylinder (1) outside by the second check valve (6) to sampling cylinder (1) interior one-way flow；Institute
State and the 3rd check valve (7) is communicated with inflation inlet (5), the gas is out of sampling cylinder (1) by the 3rd check valve (7) to sampling
Cylinder (1) outer one-way flow.
A kind of 7. vacuum gas sampler according to claim 1, it is characterised in that：Being offered on the cylinder (2) can
Viewing window (15), visual window (16) is installed on the visual windows (15).
A kind of 8. vacuum gas sampler according to claim 1, it is characterised in that：Tune is offered on the cylinder (2)
Mouth (12) is pressed, pressure-regulating sleeve (13) is threaded with the pressure modulating opening (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346704.3U CN206832531U (en) | 2017-04-05 | 2017-04-05 | A kind of vacuum gas sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346704.3U CN206832531U (en) | 2017-04-05 | 2017-04-05 | A kind of vacuum gas sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832531U true CN206832531U (en) | 2018-01-02 |
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ID=60767942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720346704.3U Active CN206832531U (en) | 2017-04-05 | 2017-04-05 | A kind of vacuum gas sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206832531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709245A (en) * | 2019-01-25 | 2019-05-03 | 苏州华杨赛斯真空设备有限公司 | Model catalytic reaction products sample sampling system and its sampling sample injection method |
-
2017
- 2017-04-05 CN CN201720346704.3U patent/CN206832531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709245A (en) * | 2019-01-25 | 2019-05-03 | 苏州华杨赛斯真空设备有限公司 | Model catalytic reaction products sample sampling system and its sampling sample injection method |
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