CN207703545U - Gas pulses blowback sampler - Google Patents
Gas pulses blowback sampler Download PDFInfo
- Publication number
- CN207703545U CN207703545U CN201721842754.7U CN201721842754U CN207703545U CN 207703545 U CN207703545 U CN 207703545U CN 201721842754 U CN201721842754 U CN 201721842754U CN 207703545 U CN207703545 U CN 207703545U
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- China
- Prior art keywords
- filter
- solenoid valve
- blowback
- pass
- sample storage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims abstract description 21
- 239000010865 sewage Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 17
- 239000013618 particulate matter Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 32
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model is gas pulses blowback sampler, including sample storage bottle, filter, gas bomb, impulse generator, water sample to be detected is pumped into sample storage tank through control valve and filter using water pump, after sampling, pipeline evacuation, impulse generator is by the gas pulses formula in gas bomb through diffusion nozzle back-flushing filter, so that being attached to particulate matter blowback on filtering membrane of filter in sampling to filter lower end, it is exhausted in lower sub-sampling with reusing after water sample rinses so that the filter membrane of filter keeps clean state.
Description
Technical field
The utility model is to be related to Filters field, specifically gas pulses blowback sampler.
Background technology
Currently, before the detection of environmentally friendly online monitoring instruments, sampling means of the sampler as instrument, mesh is commonly used in instrument
The related flow path of the compositions such as the more self priming pumps of preceding instrument in the market, immersible pump or diaphragm pump and filter carries out sample, with from
Water is cleaned and is recoiled, and keeps the holdings such as flow path and filter clean for a long time.But this sampling mode exists very much
The shortcomings that：
（1）When being cleaned after the completion of sampling, in backwash since liquid does not have compressibility, at the both ends of filter, pipe
The filter area of road and filter must be consistent, is possible to cleaning filter is clean；
（2）Flow when recoil has to accurately control, and flow is small, and punching does not wash clean, and flow can then damage greatly filter
Filter membrane, this requires must accurate control flow path and field erected cooperation, make troubles to in-site installation and O＆M.
（3）In many field applications, it to be especially used for the online monitoring instruments of surface water, the construction at water quality monitoring station
Point is general more remote, does not have tap water condition in place, can not be cleaned and recoiled using original sampling mode in this way
It washes, the blocking of pipeline can be caused so that instrument can not be detected accurately.
Invention content
The technical problem to be solved by the present invention is to provide gas pulses blowback sampler, this kind of sampler can use
Reverse impulse gas cleans filter screen.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
Gas pulses blowback sampler, it is characterized in that：Including water pump, the water outlet of the water pump passes through the 5th single-pass electricity
Magnet valve is connect with filter water inlet, and the water outlet of the filter is connect by the first single-pass solenoid valve with sample storage bottle, institute
The filter stated is also associated with high-pressure gas cylinder, and the high-pressure gas cylinder is connected by the second single-pass solenoid valve and diffusion nozzle
It connecing, the diffusion nozzle is installed on the filter, and the second single-pass solenoid valve is connected with pulse generator signal control,
The high-pressure gas cylinder is connect with air source；
Filter membrane is installed, the water inlet of the filter is arranged below filter membrane, described in the filter
Filter water outlet above filter membrane, the diffusion nozzle be arranged above filter membrane, the diffusion nozzle
The bottom of nozzle face filter membrane, the filter is provided with sewage draining exit, and the sewage draining exit is equipped with the 4th single-pass electromagnetism
Valve；
The sample storage bottle and high-pressure gas cylinder is highly above filter in the vertical direction, the diffusion nozzle and
Nesting tube is installed in second single-pass solenoid valve connecting tube, third single-pass solenoid valve is installed in the nesting tube.
To optimize above-mentioned utility model, the concrete measure taken further includes：
The bottom of the high-pressure gas cylinder is equipped with leakage fluid dram, and manual ball valve is equipped at the leakage fluid dram.
The sample storage bottle is vertically arranged, the bottom connection of the first single-pass solenoid valve and sample storage bottle, the storage
The side wall top edge of sample bottle is connected with overflow mechanism.
The overflow mechanism includes overflow pipe, and overflow valve is equipped in the overflow pipe.
The filter cross-section is rectangular, and the filter membrane is tiltedly mounted in filter, the filter membrane
Extending direction is to extend to upper right from lower-left.
The diffusion nozzle is mounted on filter left side wall lower edge, and the water outlet setting of the filter is being filtered
On the roof of device, the water inlet of the filter is arranged in filter right side wall lower edge, and the sewage outfalls setting is in mistake
On the bottom wall of filter.
The liquid outlet of the sample storage bottle is connect with test equipment.
The first single-pass solenoid valve, the second single-pass solenoid valve, third single-pass solenoid valve, the 4th single-pass solenoid valve and
Five single-pass solenoid valves and impulse generator, which are controlled with control unit signal, to be connected, and the control unit is that microcontroller etc. is patrolled
Collect controller.
What this kind of gas pulses blowback sampler can reach has the beneficial effect that：
First, it realizes the sampling of water sample and the recoil of pipeline and filter, can be automatically controled, it is ensured that the nothing of water sample to be measured
Residual sampling.
Second, the recoil of the sampling and pipeline of water sample can be realized without tap water, it is anti-using compressible gas pulses
Filter is blown over to ensure that filter keeps clean.
Third, pulse number can be carried out according to the adhesive force of the size and particulate matter of live length of pipe and filter
Adjustment ensures that the effect of recoil reaches the requirement of instrument promptness.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model gas pulses blowback sampling.
Marginal data：1, sample storage bottle；2, the first single-pass solenoid valve；3, filter；4, the 5th single-pass solenoid valve；5, water pump；
6, the 4th single-pass solenoid valve；7, high-pressure gas cylinder；8, air source；9, manual ball valve；10, impulse generator；11, diffusion nozzle；12、
Second single-pass solenoid valve；13, third single-pass solenoid valve；14, overflow mechanism.
Specific implementation mode
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment.
Gas pulses blowback sampler, it is characterized in that：Including water pump 5, the water outlet of the water pump 5 passes through the 5th single-pass
Solenoid valve 4 is connect with 3 water inlet of filter, and the water outlet of the filter 3 passes through the first single-pass solenoid valve 2 and sample storage bottle 1
Connection, the filter 3 are also associated with high-pressure gas cylinder 7, the high-pressure gas cylinder 7 by the second single-pass solenoid valve 12 with
Diffusion nozzle 11 connects, and the diffusion nozzle 11 is mounted on filter 3, and the second single-pass solenoid valve 12 is sent out with pulse
The 10 signal control connection of raw device, the high-pressure gas cylinder 7 are connect with air source 8；
Filter membrane is installed, the water inlet of the filter 3 is arranged below filter membrane, institute in the filter 3
Above filter membrane, the diffusion nozzle 11 is arranged above filter membrane the water outlet for the filter 3 stated, diffusion spray
The bottom of the nozzle face filter membrane of mouth 11, the filter 3 is provided with sewage draining exit, and it is single that the sewage draining exit is equipped with the 4th
Three-way electromagnetic valve 6；
The sample storage bottle 1 and high-pressure gas cylinder 7 is highly above filter 3, diffusion spray in the vertical direction
Nesting tube is installed in 12 connecting tube of mouth 11 and the second single-pass solenoid valve, third single-pass solenoid valve is installed in the nesting tube
13。
In the present embodiment, the bottom of high-pressure gas cylinder 7 is equipped with leakage fluid dram, and manual ball valve is equipped at the leakage fluid dram
9。
In the present embodiment, sample storage bottle 1 is vertically arranged, and the first single-pass solenoid valve 2 is connect with the bottom of sample storage bottle 1,
The side wall top edge of the sample storage bottle 1 is connected with overflow mechanism 14.
In the present embodiment, overflow mechanism 14 includes overflow pipe, and overflow valve is equipped in the overflow pipe.
In the present embodiment, 3 section of filter is rectangular, and the filter membrane is tiltedly mounted in filter 3, the mistake
The extending direction of filter membrane is to extend to upper right from lower-left.
In the present embodiment, diffusion nozzle 11 is mounted on 3 left side wall lower edge of filter, the water outlet of the filter 3
It is arranged on the roof of filter 3, the water inlet of the filter 3 is arranged in 3 right side wall lower edge of filter, the row
Dirty mouth is arranged on the bottom wall of filter 3.
In the present embodiment, the liquid outlet of sample storage bottle 1 is connect with test equipment.
In the present embodiment, the first single-pass solenoid valve 2, the second single-pass solenoid valve 12, third single-pass solenoid valve 13, the 4th single-pass
Solenoid valve 6 and the 5th single-pass solenoid valve 4 and impulse generator 10, which are controlled with control unit signal, to be connected, the control list
Member is the logic controllers such as microcontroller.
In the present embodiment, air source 8 is air pump, air pump and the first single-pass solenoid valve 2, the second single-pass solenoid valve 12, the
Three single-pass solenoid valves 13, the 4th single-pass solenoid valve 6 and the 5th single-pass solenoid valve 4 and impulse generator 10 are by programmable logic control
Device processed is controlled；Water sample to be detected is pumped into sample storage bottle 1, after sampling, tubes rows through control valve and filter 3 using water pump 5
Sky, impulse generator 10 is by the gas pulses formula in high-pressure gas cylinder 7 through 11 back-flushing filter of diffusion nozzle, wherein gas pressure
More than the pressure of water sample so that be attached to the particulate matter blowback on the filter membrane of filter 3 in sampling to filter lower end, under
It is exhausted when sub-sampling with reusing after water sample rinses so that the filter membrane of filter 3 keeps clean state, to ensure per sub-sampling
Promptness and instrument accuracy.
Hereinafter the first single-pass solenoid valve 2 is referred to as V1, and the second single-pass solenoid valve 12 is referred to as V2, third single-pass solenoid valve
13 referred to as V3, the 4th single-pass solenoid valve 6 are referred to as V4, and the 5th single-pass solenoid valve 4 is referred to as V5.
The concrete mode of sampling is：
Step 1：Solenoid valve V4 is opened, and V5 is opened, and water pump 5 is opened is pumped into filter 3 by water sample to be measured, and will be last anti-
The impurity such as the particulate matter blown down are rinsed to sewage draining exit.
Step 2：Solenoid valve V4 is closed, and V1 is opened, and water pump 5 opens several seconds and water sample to be measured is pumped into liquid storage through filter 3
Bottle 1, surplus liquid is flowed out through overflow mechanism, while can rinse sample storage bottle 1, and rear water pump 5 is closed, and V5, V1 are closed, test equipment
Start to sample, test equipment probe tube is put into 1 centre position of sample storage bottle, enters pipeline to prevent upper end suspended matter.
Step 3：After waiting for instrument sampling, V1, V3 are opened, and water sample under the effect of gravity empties water sample in sample storage bottle 1
Afterwards, V1, V3 are closed.
Step 4：V2 is opened, and pulse generation 10 filters the compressed gas in liquid storage bottle through the 11 pulsed blowback of diffusion nozzle
Device 3, gas pressure is more than 0.5 atmospheric pressure of water sample pressure and is advisable in sample storage bottle 1.Pulse number can be according to length of pipe and scene
Operating condition adjustment, to ensure to fall the particulate matter whole blowback on filtering membrane of filter, afterpulse generator 10 is closed, and V2 is closed, this
For a cycle.
Step 5：When due to long-time compressed gas, condensed fluid is will produce in high-pressure gas cylinder 7, to be beaten in the set time
The manual ball valve 9 for opening gas bomb lower end bleeds off condensed water, ensures the pressure of gas.
Above are merely preferred embodiments of the utility model, the scope of protection of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the scope of protection of the utility model.
Claims (7)
1. gas pulses blowback sampler, it is characterized in that：Including water pump（5）, the water pump（5）To pass through the 5th single for water outlet
Three-way electromagnetic valve（4）With filter（3）Water inlet connects, the filter（3）Water outlet pass through the first single-pass solenoid valve（2）
With sample storage bottle（1）Connection, the filter（3）It is also associated with high-pressure gas cylinder（7）, the high-pressure gas cylinder（7）Pass through
Second single-pass solenoid valve（12）With diffusion nozzle（11）Connection, the diffusion nozzle（11）Mounted on filter（3）On, it is described
The second single-pass solenoid valve（12）With impulse generator（10）Signal control connection, the high-pressure gas cylinder（7）With air source（8）
Connection；
The filter（3）Filter membrane, the filter are inside installed（3）Water inlet be arranged below filter membrane, institute
The filter stated（3）Water outlet above filter membrane, the diffusion nozzle（11）It is arranged above filter membrane, the expansion
Press nozzle（11）Nozzle face filter membrane, the filter（3）Bottom be provided with sewage draining exit, sewage draining exit installation
There is the 4th single-pass solenoid valve（6）；
The sample storage bottle（1）And high-pressure gas cylinder（7）It is highly above filter in the vertical direction（3）, the diffusion
Nozzle（11）With the second single-pass solenoid valve（12）Nesting tube is installed in connecting tube, third single-pass is installed in the nesting tube
Solenoid valve（13）.
2. gas pulses blowback sampler according to claim 1, it is characterised in that：The high-pressure gas cylinder（7）'s
Bottom is equipped with leakage fluid dram, and manual ball valve is equipped at the leakage fluid dram（9）.
3. gas pulses blowback sampler according to claim 1, it is characterised in that：The sample storage bottle（1）It sets vertically
It sets, the first single-pass solenoid valve（2）With sample storage bottle（1）Bottom connection, the sample storage bottle（1）Side wall top edge connect
It is connected to overflow mechanism（14）.
4. gas pulses blowback sampler according to claim 3, it is characterised in that：The overflow mechanism（14）Including
Overflow pipe is equipped with overflow valve in the overflow pipe.
5. gas pulses blowback sampler according to claim 1, it is characterised in that：The filter（3）Section is
Rectangular, the filter membrane is tiltedly mounted on filter（3）Interior, the extending direction of the filter membrane is to extend to the right side from lower-left
On.
6. gas pulses blowback sampler according to claim 5, it is characterised in that：The diffusion nozzle（11）Installation
In filter（3）Left side wall lower edge, the filter（3）Water outlet be arranged in filter（3）Roof on, it is described
Filter（3）Water inlet be arranged in filter（3）Right side wall lower edge, the sewage outfalls setting is in filter（3）Bottom
On wall.
7. gas pulses blowback sampler according to claim 1, it is characterised in that：The sample storage bottle（1）Go out liquid
Mouth is connect with test equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842754.7U CN207703545U (en) | 2017-12-26 | 2017-12-26 | Gas pulses blowback sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721842754.7U CN207703545U (en) | 2017-12-26 | 2017-12-26 | Gas pulses blowback sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703545U true CN207703545U (en) | 2018-08-07 |
Family
ID=63028665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721842754.7U Active CN207703545U (en) | 2017-12-26 | 2017-12-26 | Gas pulses blowback sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207703545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180248A (en) * | 2019-05-27 | 2019-08-30 | 苏州奥特福环境科技有限公司 | A kind of pre-procesor for water quality detection |
| CN114674612A (en) * | 2022-03-25 | 2022-06-28 | 中煤浙江检测技术有限公司 | Water quality online sampling method |
-
2017
- 2017-12-26 CN CN201721842754.7U patent/CN207703545U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180248A (en) * | 2019-05-27 | 2019-08-30 | 苏州奥特福环境科技有限公司 | A kind of pre-procesor for water quality detection |
| CN114674612A (en) * | 2022-03-25 | 2022-06-28 | 中煤浙江检测技术有限公司 | Water quality online sampling method |
| CN114674612B (en) * | 2022-03-25 | 2022-10-21 | 中煤浙江检测技术有限公司 | Water quality online sampling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 210042 room 358, Huayuan Road 8, Xuanwu District, Nanjing, Jiangsu. Co-patentee after: Nanjing jiesier environmental protection intelligent technology Co., Ltd Patentee after: NANJING JIEFA TECHNOLOGY CO., LTD. Address before: 210042 room 358, Huayuan Road 8, Xuanwu District, Nanjing, Jiangsu. Co-patentee before: Nanjing Jiesier Equipment Engineering Co.,Ltd. Patentee before: NANJING JIEFA TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200623 Address after: 358 room 8, No. 210000, Xuanwu District, Jiangsu, Nanjing, Huayuan Road Patentee after: NANJING JIEFA TECHNOLOGY Co.,Ltd. Address before: 210042 room 358, Huayuan Road 8, Xuanwu District, Nanjing, Jiangsu. Co-patentee before: Nanjing jiesier environmental protection intelligent technology Co.,Ltd. Patentee before: NANJING JIEFA TECHNOLOGY Co.,Ltd. |