CN109100176A - A kind of sampling system - Google Patents
A kind of sampling system Download PDFInfo
- Publication number
- CN109100176A CN109100176A CN201810951051.0A CN201810951051A CN109100176A CN 109100176 A CN109100176 A CN 109100176A CN 201810951051 A CN201810951051 A CN 201810951051A CN 109100176 A CN109100176 A CN 109100176A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- sampling
- steel cylinder
- medium
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of sampling systems, including medium pipeline, medium blowdown pipeline, blow-down pipe, nitrogen purging device, pressure-detecting device and sampling steel cylinder, the medium of the medium pipeline flows to the end media outlet pipeline N2 by the end medium entrance pipeline N1, one end of the sampling steel cylinder is connected with medium entrance pipeline and medium blowdown pipeline, the other end is connected with media outlet pipeline and blow-down pipe, wherein the nitrogen purging device is connected in parallel on one end of sampling steel cylinder by pipeline and medium entrance pipeline；It is described to be equipped with pressure-detecting device towards the pipeline of media outlet pipeline and blow-down pipe.This sampling of the invention is automatically performed by system substantially, effectively prevents the harm of maloperation bring, while improving sampling efficiency.Purging, blowdown, cooling are concentrated, live pipeline arrangement is reduced, maintains easily, while being convenient for environmental protection.
Description
Technical field
The present invention relates to a kind of sampling systems, belong to sampling technique field.
Background technique
Sampling analysis is the important means of technique and the control of product in petrochemical iy produced.Traditional direct sampling method is by purging
A large amount of nocuousness material direct emissions, not only pollute environment, but also endanger worker health.Sealing sampler will purge object by parallel pipeline
The shortcomings that expecting in circulating involuting system, overcoming direct sampling.Recently as the strong of technological progress and Environmental Safety health idea
Change, sealing sampler in petroleum chemical enterprise using increasing.But in the actual operation process, sealing sampler still has one
Fixed problem.
(1) closed sampler utensil weight, volume are larger: since to be generally steel etc. highly dense for the sampler of existing enclosed sampling
Material production is spent, the container wall for being for pressure resistance in addition is thicker, the vial for causing the volume and weight of utensil all more traditional
Or airbag greatly increases.The opposite reduction of the sampling utensil quantity that sample collector is once carried by, especially climbing device
When, heavy sampling utensil increases the homework burden of sample collector.
(2) sealing sampler itself designs existing defects: sealing sampler having itself design have the defects that it is certain,
Such as in order to which closed weld sampling box rear cover is tied, cause the maintenance of inconvenient rear valve, pressure gauge, connector.Some operations
Technique is cumbersome, and worker samples every time requires to turn five or six valves, is easy to happen order mistake.
(3) complicated with circuits arrangement: the sealing sampler requirement having has the functions such as purging, blowdown, cooling, heat tracing, needs
Corresponding pipeline is configured, causes pipeline construction is complicated to repeat, is unfavorable for maintenance and management.
Summary of the invention
It is an object of the invention to: in view of the drawbacks of the prior art, a kind of sampling system is proposed, to solve above-mentioned technology
Problem.
The technical scheme adopted by the invention is that: a kind of sampling system, including medium pipeline, medium blowdown pipeline, emptying
The medium of pipeline, nitrogen purging device, pressure-detecting device and sampling steel cylinder, the medium pipeline passes through medium entrance pipeline
The end N1 flows to the end media outlet pipeline N2, and one end of the sampling steel cylinder is connected with medium entrance pipeline and medium sewage pipe
Line, the other end are connected with media outlet pipeline and blow-down pipe, wherein the nitrogen purging device by pipeline and medium into
Mouth pipeline is connected in parallel on one end of sampling steel cylinder；It is described to be equipped with pressure detecting towards the pipeline of media outlet pipeline and blow-down pipe
Device.
In the present invention: the both ends of the sampling steel cylinder are respectively equipped with sampling steel cylinder needle-valve Z7 and sampling steel cylinder needle-valve Z8.
In the present invention: the medium entrance pipeline is equipped with solenoid valve Z1, is connected with the pipeline of nitrogen purging device
It is equipped with solenoid valve Z2, and is connected after two pipelines parallel connections with sampling steel cylinder input end, the pipeline and sampling steel cylinder after parallel connection
Between be equipped with sampling steel cylinder shut-off valve Z9.
In the present invention: the media outlet pipeline is equipped with solenoid valve Z4, and blow-down pipe is equipped with solenoid valve Z5, and
It is connected after two pipelines are in parallel with sampling steel cylinder outlet end, is cut between the pipeline and sampling steel cylinder after parallel connection equipped with sampling steel cylinder
Only valve Z10.
In the present invention: the medium blowdown pipeline is equipped with solenoid valve Z6, and medium blowdown pipeline and medium blowdown
General pipeline is connected.
In the present invention: connecting pipeline is equipped between the inlet end and an outlet end of the sampling steel cylinder, on the connecting pipeline
Equipped with solenoid valve Z3.
In the present invention: the medium entrance pipeline and the outlet being connected with after the pipeline parallel connection of nitrogen purging device are set
There is cooler, the cooler is connected with cooling water pipeline and cooling water return pipe line, wherein the cooling water supplies
Water pipeline is equipped with solenoid valve Z11, and cooling water return pipe line is equipped with solenoid valve Z12.
In the present invention: the cooler is connected by cooling water blowdown pipeline with cooling water blowdown general pipeline, wherein institute
The cooling water blowdown pipeline stated is equipped with solenoid valve Z13.
In the present invention: the pipeline that the cooler is connected with sampling steel cylinder is equipped with temperature-detecting device.
After adopting the above technical scheme, concentration is blown the invention has the benefit that the configuration of the present invention is simple, design are reasonable
It sweeps, blowdown, cooling, heat tracing, reduces live pipeline arrangement, maintain easily, while being convenient for environmental protection, cluster sampling, reduction is adopted
The amount of labour of sample personnel, improves efficiency, realize automatic sampling, have excellent leakproofness, sampling precision, reliability, stability,
The performances such as anti-interference ability reduce manual operation or maloperation bring are answered to endanger, improve safety.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is another schematic diagram of the invention.
In figure: 1. medium entrance pipelines；2. media outlet pipeline；3. medium blowdown pipeline；4. blow-down pipe；5. nitrogen is blown
Sweeping device；6. pressure-detecting device；7. sampling steel cylinder；8. cooler；9. temperature-detecting device；
Z1-Z6, Z11-Z13 are solenoid valve, Z9-Z10 is sampling steel cylinder shut-off valve；Z7-Z8 is sampling steel cylinder needle-valve.
Specific embodiment
The present invention will be further explained below with reference to the accompanying drawings.
By Fig. 1-2 as it can be seen that a kind of sampling system, including medium pipeline, medium blowdown pipeline 3, blow-down pipe 4, nitrogen are blown
The medium of sweeping device 5, pressure-detecting device 6 and sampling steel cylinder 7, the medium pipeline is flowed by the end medium entrance pipeline 1N1
To the end media outlet pipeline 2N2, one end of the sampling steel cylinder 7 is connected with medium entrance pipeline 1 and medium blowdown pipeline 3,
The other end is connected with media outlet pipeline 2 and blow-down pipe 4, wherein the nitrogen purging device 5 by pipeline and medium into
Mouth pipeline 1 is connected in parallel on one end of sampling steel cylinder 7；It is described to be equipped with pressure towards the pipeline of media outlet pipeline 2 and blow-down pipe 4
Detection device 6.
In the present invention: the both ends of the sampling steel cylinder 7 are respectively equipped with sampling steel cylinder needle-valve Z7 and sampling steel cylinder needle-valve Z8.
The medium entrance pipeline 1 is equipped with solenoid valve Z1, and the pipeline for being connected with nitrogen purging device 5 is equipped with solenoid valve Z2, and
It is connected after two pipelines are in parallel with 7 input end of sampling steel cylinder, sampling steel cylinder is equipped between the pipeline and sampling steel cylinder 7 after parallel connection
Shut-off valve Z9.The media outlet pipeline 2 is equipped with solenoid valve Z4, and blow-down pipe 4 is equipped with solenoid valve Z5, and this two pipes
It is connected after line is in parallel with 7 outlet end of sampling steel cylinder, sampling steel cylinder shut-off valve is equipped between the pipeline and sampling steel cylinder 7 after parallel connection
Z10.The medium blowdown pipeline 3 is equipped with solenoid valve Z6, and medium blowdown pipeline 3 is connected with medium blowdown general pipeline.It is described
Connecting pipeline is equipped between the inlet end and an outlet end of sampling steel cylinder 7, which is equipped with solenoid valve Z3.The medium
Outlet after inlet line 1 and the pipeline for being connected with nitrogen purging device 5 are in parallel is equipped with cooler 8, and the cooler 8 connects
There are cooling water pipeline and cooling water return pipe line, wherein the cooling water pipeline is equipped with solenoid valve Z11, it is cooling
Water return piping is equipped with solenoid valve Z12.The cooler 8 passes through cooling water blowdown pipeline and cooling water blowdown general pipeline phase
Even, wherein the cooling water blowdown pipeline is equipped with solenoid valve Z13.The pipeline that the cooler 8 is connected with sampling steel cylinder 7
It is equipped with temperature-detecting device 9.
When it is implemented, as shown in Figure 1, solenoid valve Z9, Z10 be sampling steel cylinder shut-off valve, sampling steel cylinder 7 is put into before sampling
After automatically open, sample complete sampling steel cylinder 7 remove before be automatically closed.
Before sampling, solenoid valve Z2, Z5, Z6, Z9 and sampling steel cylinder needle-valve Z7, Z8 are opened, starting nitrogen purging device 5 carries out
Residual gas is drained into torch by blow-down pipe 4 by nitrogen purging, and residual liquid drains into medium row by medium blowdown pipeline 3
Dirty general pipeline, until after the completion of nitrogen purging, closing solenoid valve Z2, Z5, Z6, Z9 and sampling steel cylinder needle-valve Z7, Z8 to 2~3min.
Solenoid valve Z1, Z3, Z4 are opened, medium flows to the end media outlet pipeline 2N2 by the end medium entrance pipeline 1N1.According to
The pressure medium data that pressure-detecting device 6 is fed back judge that pressure is stablized, and prompt can carry out in next step；Solenoid valve Z3 is closed, is beaten
Open electromagnetic valve Z9 and sampling steel cylinder needle-valve Z7, Z8 are sampled.The pressure medium parameter fed back according to pressure-detecting device 6 is steady
It is fixed, that is, it is considered as medium sampling in sampling steel cylinder and completes, closes solenoid valve Z1, Z4 and steel cylinder Z7, Z8.Solenoid valve Z6 is opened, it will be residual
Liquid discharge, removes sampling steel cylinder 7, and metal hose is connected to (quick coupling not will cause Jie with self-sealing with quick coupling
Matter leakage), solenoid valve Z6 is closed, solenoid valve Z1, Z3, Z4 are opened.
When double sampling, metal hose is separated with quick coupling (quick coupling have self-sealing, not will cause medium
Leakage), load onto sampling steel cylinder device 7, it is ensured that sampling steel cylinder needle-valve Z7, Z8 are closed, and are repeated the above steps.
As shown in Fig. 2, when sample temperature be greater than 60 DEG C when, first system run cooling arrangement, be then turned on sample into
Pipeline out carries out cooling treatment to sample.Note: 1. solenoid valve Z9, Z10 is sampling steel cylinder shut-off valve, and sampling steel is put into before sampling
It automatically opened after bottle 7, sample and complete to be automatically closed before sampling steel cylinder 7 is removed.
2. opening solenoid valve Z13 when sampler is out of service or is replaced, emptied by cooling water blowdown pipeline cold
But coolant liquid in device.
Before sampling, open solenoid valve Z2, Z4, Z9, Z10 and sampling steel cylinder needle-valve Z7, Z8, starting nitrogen purging device 5 into
Residual gas is drained into torch by blow-down pipe 4 by row nitrogen purging, and residual liquid drains into medium by medium blowdown pipeline 3
Blowdown general pipeline, until to 2~3min, after the completion of nitrogen purging, close solenoid valve Z2, Z4, Z9, Z10 and sampling steel cylinder needle-valve Z7,
Z8。
Before sampling for the first time, solenoid valve Z11, Z12 are opened, cooling water, cooling water are injected by the cooling water end of cooler 8
It flows out, is recycled from cooling water backwater end, judge whether cooler 8 runs well according to flow switch feedback, run well
Solenoid valve Z1, Z5, Z3 are opened afterwards.
Solenoid valve Z1, Z3, Z5 are opened, medium flows to 2 end N2 of media outlet pipeline by 1 end N1 of medium entrance pipeline.Root
The medium temperature and pressure data fed back according to temperature-detecting device 9 and pressure-detecting device 6 judge temperature within the allowable range, press
Power is stablized, and prompt can carry out in next step；Solenoid valve Z5 is closed, solenoid valve Z9 is opened and steel cylinder needle-valve Z7, Z8 is sampled.According to
The media data that temperature and pressure force checking device 6 is fed back judges that pressure is stablized, that is, is considered as medium sampling in sampling steel cylinder and completes, close
Solenoid valve Z1, Z3, Z9 and sampling steel cylinder needle-valve Z7, Z8.Solenoid valve Z6 is opened, raffinate is discharged, sampling steel cylinder 7 is removed, it will be golden
Belong to hose and be connected to (quick coupling has self-sealing, not will cause medium leakage) with quick coupling, closes solenoid valve Z6, open
Solenoid valve Z1, Z5, Z3.
When double sampling, metal hose is separated with quick coupling (quick coupling have self-sealing, not will cause medium
Leakage), load onto sampling steel cylinder, it is ensured that steel cylinder needle-valve Z7, Z8 are closed.It repeats the above steps.
Above specific embodiments of the present invention have been described, but the present invention is not limited to above description.For this
For the technical staff in field, the equal modification and substitution of any pair of the technical program are all within the scope of the invention.Cause
This, made equal transformation and modification, all should be contained within the scope of the invention without departing from the spirit and scope of the invention.
Claims (9)
1. a kind of sampling system, it is characterised in that: blown including medium pipeline, medium blowdown pipeline (3), blow-down pipe (4), nitrogen
The medium of sweeping device (5), pressure-detecting device (6) and sampling steel cylinder (7), the medium pipeline passes through medium entrance pipeline
(1) end N1 flows to media outlet pipeline (2) end N2, one end of the sampling steel cylinder (7) be connected with medium entrance pipeline (1) and
Medium blowdown pipeline (3), the other end are connected with media outlet pipeline (2) and blow-down pipe (4), wherein the nitrogen purges dress
Set one end that (5) are connected in parallel on sampling steel cylinder (7) by pipeline and medium entrance pipeline (1)；It is described to lead to media outlet pipeline (2)
Pressure-detecting device (6) are equipped with the pipeline of blow-down pipe (4).
2. a kind of sampling system according to claim 1, it is characterised in that: the both ends of the sampling steel cylinder (7) are set respectively
There are sampling steel cylinder needle-valve Z7 and sampling steel cylinder needle-valve Z8.
3. a kind of sampling system according to claim 1, it is characterised in that: the medium entrance pipeline (1) is equipped with
Solenoid valve Z1, the pipeline for being connected with nitrogen purging device (5) are equipped with solenoid valve Z2, and two pipelines it is in parallel after with sampling steel
Bottle (7) input end is connected, and sampling steel cylinder shut-off valve Z9 is equipped between the pipeline and sampling steel cylinder (7) after parallel connection.
4. a kind of sampling system according to claim 3, it is characterised in that: the media outlet pipeline (2) is equipped with electricity
Magnet valve Z4, blow-down pipe (4) is equipped with solenoid valve Z5, and is connected after two pipelines parallel connections with sampling steel cylinder (7) outlet end,
Sampling steel cylinder shut-off valve Z10 is equipped between pipeline and sampling steel cylinder (7) after parallel connection.
5. a kind of sampling system according to claim 1, it is characterised in that: the medium blowdown pipeline (3) is equipped with
Solenoid valve Z6, and medium blowdown pipeline (3) is connected with medium blowdown general pipeline.
6. a kind of sampling system according to claim 4, it is characterised in that: the input end of the sampling steel cylinder (7) and go out
Connecting pipeline is equipped between mouth end, which is equipped with solenoid valve Z3.
7. a kind of sampling system according to claim 6, it is characterised in that: the medium entrance pipeline (1) and connection
Outlet after having the pipeline parallel connection of nitrogen purging device (5) is equipped with cooler (8), and the cooler (8) is connected with cooling water
Water supply line and cooling water return pipe line, wherein the cooling water pipeline is equipped with solenoid valve Z11, cooling water return pipe
Line is equipped with solenoid valve Z12.
8. a kind of sampling system according to claim 7, it is characterised in that: the cooler (8) passes through cooling water drainage
Dirty pipeline is connected with cooling water blowdown general pipeline, wherein the cooling water blowdown pipeline is equipped with solenoid valve Z13.
9. a kind of sampling system according to claim 7, it is characterised in that: the cooler (8) and sampling steel cylinder (7)
Connected pipeline is equipped with temperature-detecting device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951051.0A CN109100176A (en) | 2018-08-21 | 2018-08-21 | A kind of sampling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951051.0A CN109100176A (en) | 2018-08-21 | 2018-08-21 | A kind of sampling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109100176A true CN109100176A (en) | 2018-12-28 |
Family
ID=64850424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810951051.0A Pending CN109100176A (en) | 2018-08-21 | 2018-08-21 | A kind of sampling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109100176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702103A (en) * | 2021-09-10 | 2021-11-26 | 江苏信泰化工装备有限公司 | Integrated sampling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203405345U (en) * | 2012-11-30 | 2014-01-22 | 内蒙古神舟硅业有限责任公司 | Chlorosilane liquid sampling device |
| CN205620167U (en) * | 2016-05-09 | 2016-10-05 | 启东市恒盛仪表设备有限公司 | Airtight sample thief |
| CN106908285A (en) * | 2017-04-06 | 2017-06-30 | 洛阳中硅高科技有限公司 | On-line period device |
| CN206862711U (en) * | 2017-05-27 | 2018-01-09 | 爱文思控制系统工程(上海)有限公司 | One kind sampling and sample pretreatment system |
-
2018
- 2018-08-21 CN CN201810951051.0A patent/CN109100176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203405345U (en) * | 2012-11-30 | 2014-01-22 | 内蒙古神舟硅业有限责任公司 | Chlorosilane liquid sampling device |
| CN205620167U (en) * | 2016-05-09 | 2016-10-05 | 启东市恒盛仪表设备有限公司 | Airtight sample thief |
| CN106908285A (en) * | 2017-04-06 | 2017-06-30 | 洛阳中硅高科技有限公司 | On-line period device |
| CN206862711U (en) * | 2017-05-27 | 2018-01-09 | 爱文思控制系统工程(上海)有限公司 | One kind sampling and sample pretreatment system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702103A (en) * | 2021-09-10 | 2021-11-26 | 江苏信泰化工装备有限公司 | Integrated sampling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106838605B (en) | A kind of process and device for LNG receiving stations BOG systems | |
| CN206676862U (en) | A kind of portable receiving ball tube device for clearing up pipeline | |
| CN107966334A (en) | A kind of fire coal boiler fume sampling system and sampling method | |
| CN202547919U (en) | Tester for valve fire-resistant life | |
| CN104923527B (en) | Degreasing device and method applied to complex oxygen pipeline network | |
| CN109100176A (en) | A kind of sampling system | |
| CN202057529U (en) | Sampler | |
| CN109305709A (en) | A kind of ammonia still process reboiler and its processing method and application method for supercritical water oxidation system | |
| CN201464219U (en) | Full-unidirectional online gas-liquid closed sampler | |
| CN204769758U (en) | Be applied to cleaner of complicated oxygen pipe network | |
| CN207487433U (en) | A kind of online reconstruction structure for searching the furnace radiating pipe breakage of non-oxidation continuous heat | |
| CN211502028U (en) | Pollution discharge and exhaust device for instrument | |
| CN202351087U (en) | Constant-temperature closed sampler of inflammable and explosive toxic media | |
| CN210465008U (en) | Toxic and harmful medium sampler | |
| CN102563201B (en) | Device for eliminating leakage risk of gas gate valve online | |
| CN209927761U (en) | Online real-time detection device for hydrocarbon dew point of gas pipeline | |
| CN109856187B (en) | Online real-time detection method for hydrocarbon dew point of gas pipeline | |
| CN209841751U (en) | Online real-time detection device for water dew point of gas pipeline | |
| CN207923544U (en) | A kind of fire coal boiler fume sampling system | |
| CN106198299A (en) | A kind of for pipeline and the comprehensive skid-mounted device of equipment corrosion Data Trend Monitor | |
| CN202275012U (en) | Pretreatment device for gas recovery analysis instrument | |
| CN216116890U (en) | Integrated sampling system | |
| CN216484178U (en) | Water gas sampling system | |
| CN204269409U (en) | The sampler that the Heisui River gas-liquid-solid of gasification system forms entirely | |
| CN216717889U (en) | Closed turbid liquid sampling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |