CN206772667U - A kind of on-line analysis instrument pretreatment and protection system - Google Patents
A kind of on-line analysis instrument pretreatment and protection system Download PDFInfo
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- CN206772667U CN206772667U CN201720559266.9U CN201720559266U CN206772667U CN 206772667 U CN206772667 U CN 206772667U CN 201720559266 U CN201720559266 U CN 201720559266U CN 206772667 U CN206772667 U CN 206772667U
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Abstract
The utility model discloses a kind of pretreatment of on-line analysis instrument and protection system, including pretreatment function module, preprocessing function module, backwashing function module, calibrating function module, Automated condtrol and defencive function module, later stage recovery functional module.The utility model is by entering the automatic prosecutions of indices before table to sample gas; realize the automation such as filtering, dedusting, desuperheat, decompression, dehumidifying, anticorrosion, demarcation; and urgent protection disposal is realized to analyzer by interlocking protective system; it is effectively protected the analysis meter of costliness; directly reducing loss, hundreds of thousands is at most up to a million at least; the technology effectively improves analysis meter Monitoring Performance and service life; substantially increase Industry Control index and the accuracy of environment protection digital; production accident and environmental pollution are reduced, indirectly benefit is brought for enterprise and society.
Description
Technical field
A kind of chemical industry measurement field is the utility model is related to, is specifically related to a kind of pretreatment of on-line analysis instrument and protection
System, pre-processed and monitored for treating detection gas, to protect analyzer injury-free.
Background technology
Large-scale on-line gas analysis instrument is the indispensable monitoring device in the fields such as Chemical Manufacture, environmental protection how
Quickly, accurately, the composition parameter of long period stably analytical industry process, be process analysis procedure analysis basic task.But due to state
Interior relatively weak in this art, such product is mostly import, and price is costly.And such product is to entering instrument
The conditions such as the temperature of sample, pressure, amount of dust, corrosivity, water content require very harsh.Once index will beyond instrument function
Ask, gently then cause instrument to stop transport, monitoring is stagnated, it is heavy then instrument can be caused to damage, to produce, environment brings hidden danger.
At present, in order to ensure the normal operation of such analysis meter, many instrument manufacturers are provided with pretreatment facility,
But it is between manual and semi-automatic mostly, manpower intervention factor is more, due to everyone technical merit and sense of responsibility not
Together, the damage of analysis meter is inevitably caused.Because existing pretreatment is mostly to manually adjust, when systematic parameter becomes
If adjusted not in time during change, the medium index that will result in into analysis meter exceeds its scope that can bear, and causes instrument
Table work is not normal or even damages.
Utility model content
The utility model devises a kind of on-line analysis instrument pretreatment and protection system in view of the shortcomings of the prior art, leads to
The automatic prosecution for entering indices before table to sample gas is crossed, realizes filtering, dedusting, desuperheat, decompression, dehumidifying, anticorrosion, demarcation
Deng automation, and urgent protection disposal is realized to analyzer by interlocking protective system.
The utility model is realizes object above, using following scheme：A kind of on-line analysis instrument pretreatment and protection system
System, including pretreatment function module, preprocessing function module, backwashing function module, calibrating function module, Automated condtrol and
Defencive function module, later stage recovery functional module；
The pretreatment function module include be arranged on technique feed channel go forward filter and pressure and temp flow parameter inspection
Device is surveyed, the front filter is connected with the preprocessing function module and backwashing function module respectively by pipeline, described
Pressure and temp flow parameter detection means electrically connects with Automated condtrol and defencive function module；
The preprocessing function module includes de-watering apparatus and pumping device, and its inlet end passes through pipeline and pretreatment function
Front filter connection in module；
One end of the backwashing function module is connected with an instrument wind, and the other end is connected with the front filter；
The calibrating function module includes range calibration device and zero point correction device, its one end and the preprocessing function
The outlet side connection of module, its other end are connected with an analyzer；
The parameter of Automated condtrol and defencive function the module monitors whole system simultaneously controls the break-make of each module；
The later stage recovery functional module is connected with the outlet side of the analyzer, for reclaiming the sample gas after detecting.
Further, pressure sensor is additionally provided between the preprocessing function module and calibrating function module, temperature passes
Sensor and humidity sensor, the pressure sensor, temperature sensor and temperature sensor and the Automated condtrol and protection
Functional module electrically connects.
Further, Automated condtrol and the defencive function module uses the SMART System conduct of SIEMENS PLC 200
Controller.
Further, between the pretreatment function module and the preprocessing function module, backwashing function module
Pipeline is provided with electric-heating belt.
Further, the preprocessing function module is additionally provided with the emptying magnetic valve being connected with pipeline.
Further, Automated condtrol and the defencive function module also includes warning device, display screen and memory.
Further, toxic and harmful gas alarm, the toxic and harmful gas report are additionally provided with preprocessing function module
Alert instrument electrically connects with the Automated condtrol and defencive function module.
Further, the de-watering apparatus includes the accurate filter for being arranged on the inlet end of the preprocessing function module
And the cyclone condenser of the outlet side of the preprocessing function module is arranged on, the cyclone condenser accesses an instrument wind.
Further, it is provided with liquid-level switch on the liquid accumulating device of the cyclone condenser bottom.
Compared to the prior art the utility model, has the following advantages that and beneficial effect：Before entering table to sample gas
The automatic prosecution of indices, the automation such as filtering, dedusting, desuperheat, decompression, dehumidifying, anticorrosion, demarcation is realized, and pass through connection
Lock protection system and urgent protection disposal is realized to analyzer, be effectively protected the analysis meter of costliness, it is few directly to reduce loss
Then hundreds of thousands is at most up to a million, and the technology effectively improves analysis meter Monitoring Performance and service life, substantially increases industry
The accuracy of Con trolling index and environment protection digital, production accident and environmental pollution are reduced, indirectly benefit is brought for enterprise and society.
Brief description of the drawings
Fig. 1 is Tthe utility model system schematic diagram.
Embodiment
As shown in figure 1, the system includes pretreatment function module, preprocessing function module, backwashing function module, demarcation
Functional module, Automated condtrol and defencive function module, later stage recovery six big module of functional module.
The pretreatment function module includes the front filter 101 being arranged in technique feed channel and pressure and temp flow ginseng
Number detection means, front filter 101 gather gas sample and tentatively filtered, and the front filter 101 is distinguished by pipeline
It is connected with the preprocessing function module and backwashing function module, the pressure and temp flow parameter detection means and automation
Control and the electrical connection of defencive function module；
The preprocessing function module includes de-watering apparatus and pumping device, and its inlet end passes through pipeline and pretreatment function
Front filter 101 in module connects；
One end of the backwashing function module is connected with an instrument wind, and the other end is connected with the front filter 101；
The calibrating function module includes range calibration device 201 and zero point correction device 202, its one end and the pre- place
The outlet side connection of functional module is managed, its other end is connected with an analyzer 3；
The parameter of Automated condtrol and defencive function the module monitors whole system simultaneously controls the break-make of each module；
The later stage recovery functional module is connected with the outlet side of the analyzer 3, for reclaiming the sample gas after detecting, is kept away
Exempt from arbitrarily secondary pollution of the discharge to environment.
Pressure sensor 401, temperature sensor 402 are additionally provided between the preprocessing function module and calibrating function module
With humidity sensor 403, the pressure sensor 401, temperature sensor 402 and temperature sensor 403 are controlled with the automation
System and the electrical connection of defencive function module.
Automated condtrol and the defencive function module uses SIEMENS PLC 200SMART systems as controller, described
Automated condtrol and defencive function module also include warning device, display screen and memory.Host computer is shielded for 7 cun from Siemens,
Display alarm and interlocked control are made to the parameter host computer such as flow, pressure, temperature, and make historical trend record.Host computer has
Data upload function interface.
Pipeline between the pretreatment function module and the preprocessing function module, backwashing function module is provided with electricity
Heating tape 102.Requirement for pre-processing medium temperature condition, system are supervised to the temperature of sampling line by display screen
Control, and electric-heating belt 102 is manually and automatically controlled by setting high lower bound to realize, ensure that sampling line does not produce hydrops and divided
Analyzer table intake air temperature meets instrumentation requirement.
The preprocessing function module is additionally provided with the emptying magnetic valve 501 being connected with pipeline.In preprocessing function module also
Provided with toxic and harmful gas alarm, the toxic and harmful gas alarm and the Automated condtrol and defencive function module electricity
Connection.
The de-watering apparatus includes being arranged on the accurate filter 502 of the inlet end of the preprocessing function module and set
The cyclone condenser 503 in the outlet side of the preprocessing function module is put, the cyclone condenser 503 accesses an instrument wind.
Liquid-level switch 504 is provided with the liquid accumulating device of the bottom of cyclone condenser 503.The switch motion when liquid level is high, cut off instrument
Magnetic valve, analysis meter air inlet electromagnetic valve are sampled, opens emptying magnetic valve 501, and exports alarm and is not entered point with ensureing liquid
Analyzer 3.
Automated condtrol and defencive function module are the main modulars of the system functional promotion, and other modules of itself and system are matched somebody with somebody
Close, the system pretreatment potentiality lifted by using highly sensitive detecting element, executive component and data processing software,
Analytical instrument deadline factor may be caused to be controlled and block some simultaneously.The module connects in analysis meter measurement first
Enter to set pressure, temperature, traffic monitoring on pipeline, when entering analyzer pressure, temperature, humidity index and exceeding alarming value, alarm lamp
It is bright and flash.When index, which continues increase, exceeds instrumentation permissible value, cut-out instrument sampling magnetic valve, analysis meter enter pneumoelectric
Magnet valve, system emptying magnetic valve is opened, stop sampling, while instrument is set according to production technology, is protected when instrument, which samples, to be stopped
Hold output valve or back to zero.Toxic and harmful gas alarm is set inside pretreatment system, leakage at pipeline and joint sealing be present
Point, it is possible to when causing analysis meter external corrosion or potential safety hazard, automatically cut off instrument sampling magnetic valve, analysis meter air inlet
Magnetic valve, system emptying magnetic valve is opened, and export alarm, effectively protect analysis meter not corroded, and effectively protect
Shield attendant preserves from.
In the case of sampling link is easily stifled, the system sets backwashing function module, is set when from operator control panel hand switch
When being set to purging state, sampling magnetic valve (magnetic valve for being arranged on front filter porch) is closed, and analysis meter enters pneumoelectric
Magnet valve (magnetic valve for being arranged on analyzer front end) is closed, and emptying magnetic valve 501 is opened.Purge solenoid valve is delayed 5 seconds and opened, and leads to
The instrument wind gas that filtering pressure reducing valve is adjusted is crossed to purge sampling line.The system can also can by system control flow
Start stop operation (when any reason causes sampling system closed electromagnetic valve, aspiration pump is automatically stopped) is carried out to gas transfer pump,
When aspiration pump surprisingly stops, analysis meter air inlet electromagnetic valve is closed, and exports alarm.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and modification can also be made, these change
Enter and also should be regarded as the scope of protection of the utility model with modification.
Claims (9)
1. a kind of on-line analysis instrument pretreatment and protection system, it is characterised in that：Including pretreatment function module, pretreatment work(
Can module, backwashing function module, calibrating function module, Automated condtrol and defencive function module, later stage recovery functional module；
The pretreatment function module includes the front filter being arranged in technique feed channel and the detection of pressure and temp flow parameter
Device, the front filter are connected with the preprocessing function module and backwashing function module respectively by pipeline, the pressure
Power temperature flow parameter detection device electrically connects with Automated condtrol and defencive function module；
The preprocessing function module includes de-watering apparatus and pumping device, and its inlet end passes through pipeline and pretreatment function module
Interior front filter connection；
One end of the backwashing function module is connected with an instrument wind, and the other end is connected with the front filter；
The calibrating function module includes range calibration device and zero point correction device, its one end and the preprocessing function module
Outlet side connection, its other end is connected with an analyzer；
The parameter of Automated condtrol and defencive function the module monitors whole system simultaneously controls the break-make of each module；
The later stage recovery functional module is connected with the outlet side of the analyzer, for reclaiming the sample gas after detecting.
2. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The pretreatment
Pressure sensor, temperature sensor and humidity sensor are additionally provided between functional module and calibrating function module, the pressure passes
Sensor, temperature sensor and temperature sensor electrically connect with the Automated condtrol and defencive function module.
3. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The automation
Control and defencive function module use the SMART System of SIEMENS PLC 200 as controller.
4. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The pre-treatment
Pipeline between functional module and the preprocessing function module, backwashing function module is provided with electric-heating belt.
5. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The pretreatment
Functional module is additionally provided with the emptying magnetic valve being connected with pipeline.
6. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The automation
Control and defencive function module also include warning device, display screen and memory.
7. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：Preprocessing function
Toxic and harmful gas alarm, the toxic and harmful gas alarm and the Automated condtrol and protection work(are additionally provided with module
Can module electrical connection.
8. a kind of on-line analysis instrument pretreatment as claimed in claim 1 and protection system, it is characterised in that：The water removal dress
Put the accurate filter of the inlet end including being arranged on the preprocessing function module and be arranged on the preprocessing function mould
The cyclone condenser of the outlet side of block, the cyclone condenser access an instrument wind.
9. a kind of on-line analysis instrument pretreatment as claimed in claim 8 and protection system, it is characterised in that：The whirlwind is cold
Liquid-level switch is provided with the liquid accumulating device of condenser bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559266.9U CN206772667U (en) | 2017-05-18 | 2017-05-18 | A kind of on-line analysis instrument pretreatment and protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559266.9U CN206772667U (en) | 2017-05-18 | 2017-05-18 | A kind of on-line analysis instrument pretreatment and protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772667U true CN206772667U (en) | 2017-12-19 |
Family
ID=60640230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720559266.9U Expired - Fee Related CN206772667U (en) | 2017-05-18 | 2017-05-18 | A kind of on-line analysis instrument pretreatment and protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772667U (en) |
-
2017
- 2017-05-18 CN CN201720559266.9U patent/CN206772667U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20200518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |