CN207356911U - A kind of icp ms automatic gas processing system - Google Patents
A kind of icp ms automatic gas processing system Download PDFInfo
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- CN207356911U CN207356911U CN201721283961.3U CN201721283961U CN207356911U CN 207356911 U CN207356911 U CN 207356911U CN 201721283961 U CN201721283961 U CN 201721283961U CN 207356911 U CN207356911 U CN 207356911U
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Abstract
The utility model discloses a kind of icp ms automatic gas processing system, it is characterised in that including：Processing pond, adds pond, recovery pond, exhaust air chamber, sensor group, controller, ventilating fan and valve for air exhaust；The processing pond, to focus on all waste gases of mass spectrograph generation；Pond is added, to the treatment fluid in automatic addition processing pond；Recovery pond, to recycle used treatment fluid in pond；Exhaust air chamber, to the absorption and detection of exhaust gas 2, produces the exhaust gas 3 that can be discharged；Sensor group, to detect every gas parameter of exhaust gas；Controller, receives the instruction of host computer, and the information of receiving sensor group, is real-time transmitted to host computer, focuses on exhaust gas, the addition and exclusion for the treatment of fluid；Control the discharge of gas；Ventilating fan, to adjust the size of exhaust air rate, the speed of control exhaust gas discharge；Valve for air exhaust, connects unicom exhaust outlet and exhaust air chamber.
Description
Technical field
A kind of automatic gas processing system is the utility model is related to, is more particularly to used for more to mass spectrograph offer centralized processing
The automatic gas processing system of residual air body function.
Background technology
Inductivity coupled plasma mass spectrometry technology (ICP-MS) is that the analysis developed rapidly in the 70's of 20th century is surveyed
Examination technology, its principle are to turn to charged ion by element ion contained in sample is analyzed using inductively coupled plasma, are led to
Cross ion Transmission system charged ion is introduced into mass analyzer, separated by different mass-to-charge ratioes, through detector by gas current
After amplification, handled by TT＆C system and provide analysis result.Compared with other analytical technologies, ICP-MS is low, linear with detection limit
Scope is wide, the advantages that quickly can detecting various elements at the same time.With the expansion of application range, ICP-MS has evolved into ability
A kind of conventional analysis and testing technology in domain.
Mass spectrograph is mainly made of sampling system, ion gun, electro-ionic osmosis and ion transmission, mass analyzer, detector,
Regardless of whether being that the process such as sampling system, generation, importing or the transmission of ion gun is required for gases at high pressure to participate in, can produce a large amount of
Gas；Meanwhile a certain amount of acid and alkali corrosion gas can be also produced during sample analysis, therefore, the concentration of exhaust gas excludes
Most important, main problem has at 2 points, as follows：
First, in sampling system, the generation of ion gun, transport, the inert gas of high pressure is not handled finally,
It is directly discharged to after the completion of gas work in gas cylinder in air；
Secondly, the exhaust gas that ignition produces when mass spectrograph works；Acid, the alkali of sample detection generation have the gas of corrosion
Directly excluded by exhaust outlet, influence surrounding environment, sometimes because during exhaust outlet failure, cause to exclude difficult, or even exhaust gas
Pour in down a chimney, pollute laboratory environment；
2 points based on more than, it is known that the importance of gas treatment, if it is desired to solving relevant issues caused by gas discharge, then
Need to build gas handling system to mass spectrograph；The existing gas processing method of country's mass spectrograph at present is more using directly discharge
Into air, lack relevant processing, specifically, lack the centralized processing to exhaust gas, it is necessary to increase the gas automatically controlled
Processing system.
Utility model content
In view of the above, it is necessary to which the problem of for existing exhaust-gas treatment, proposition can focus on excessive gas
Automatic gas processing system.
The utility model proposes a kind of automatic gas processing system, for handling mass spectrometric exhaust gas discharge, including：
Processing pond, to focus at all waste gases of mass spectrograph generation, including exhaust gas 1 and process acid-base neutralization filtering
The exhaust gas 2 produced after reason；
Pond is added, to the treatment fluid in automatic addition processing pond；
Recovery pond, to recycle used treatment fluid in pond；
Exhaust air chamber, to the absorption and detection of exhaust gas 2, produces the exhaust gas 3 that can be discharged；
Sensor group, includes every gas parameter such as pressure, temperature, PH to examine exhaust gas；
Controller, receives the instruction of host computer, and the information of receiving sensor group, is real-time transmitted to host computer, centralized processing
Exhaust gas, the addition and exclusion of relevant treatment liquid；Control the discharge of gas；
Ventilating fan, to adjust the size of exhaust air rate, the speed of control exhaust gas discharge；
Valve for air exhaust, connects unicom exhaust outlet and exhaust air chamber, and after exhaust-gas treatment is complete, exhaust valve is opened, and exhaust gas is discharged；
When exhaust outlet hypertonia, exhaust valve is closed, and prevents exhaust gas from pouring in down a chimney；
In the first embodiment, processing pond further includes：
Gas pipeline, acidic treatment pond, basic treatment pond and the activated carbon adsorption tank being connected with mass spectrograph；
The acidic treatment pond and the basic treatment pond are adjacent but be not communicated with, the acidic treatment pond and basic treatment pond
All communicated with activated carbon adsorption tank；
Exhaust gas 1 is to enter acidic treatment pond or alkali process bottom of pond portion from exhaust piping, after acid-base neutralization is handled, is entered
Adsorption tank carries out adsorption treatment, is then detected towards sensor group.
In the first embodiment, addition pond further includes：
Acidic treatment liquid, alkaline processing liquid and solution pump, add treatment fluid in time, maintain the acid-base value of processing pond；
In the first embodiment, recovery pond further includes：
Recovery pond body and recycling valve, the recovery pond are recycled used treatment fluid；
In the first embodiment, sensor group further includes：
The sensor group further includes：PH sensors, gas pressure sensor, gas temperature sensor, air velocity transducer；
PH sensors, detect the acid-base value of exhaust gas 1, to distinguish the different gas of acid-base property, are passed through in different processing ponds,
Reach final acid-base balance；Gas pressure sensor, when pressure reaches threshold value, controller opens drain tap and air draft
Fan, remains the cross-ventilation from mass spectrograph to exhaust outlet, ensures the normal discharge of exhaust gas；Gas temperature sensor, prison
The gas of controlling temperature exception；Air velocity transducer, monitors air draft convected air wind speed, real-time monitoring ventilating fan wind speed.
In the first embodiment, exhaust air chamber further includes：
Exhaust air chamber body and filter screen, the qualified exhaust gas 2 of the filter screen filtration detection, the exhaust air chamber produce exhaust gas 3,
And temporarily store the exhaust gas 3 that will be discharged.
In the first embodiment, controller further includes：
Control chip, communication interface, communication bus and peripheral circuit composition, decodes the instruction of host computer, reads sensor
The parameter of group, controls aperture, the motor speed of ventilating fan of valve for air exhaust, and the value of Returning sensor group monitors gas to host computer
The parameters of body.
In the first embodiment, ventilating fan further includes：Digital communication circuit, direct current generator and motor-drive circuit；
The motor-drive circuit completes the drive signal of solution code controller, such as pwm control signal, adjusts the wind of ventilating fan in real time
Speed；The Digital communication circuit completes the information exchange of host computer and system.
In the first embodiment, valve for air exhaust further includes：
Digital communication circuit, valve positioner and drive circuit；To solve the drive signal of code controller, adjustment in real time
The aperture of valve for air exhaust；When the pressure anomaly of exhaust outlet, valve for air exhaust shut-off, prevents exhaust gas from pouring in down a chimney, while controller is to upper
Machine sends the warning of ventilating system exception.
To sum up, the central controlled automatic exhaust system that the utility model is proposed, can improve exhaust treatment efficiency, prevent
Exhaust gas pours in down a chimney, and pollutes experimental situation, reduces influence of the exhaust gas to environment caused by mass spectrograph work.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, wherein：
Fig. 1 depicts the automatic gas processing system structure diagram of the utility model embodiment.
Embodiment
In order to make relevant technical staff in the field more fully understand the technical solution of the utility model, below in conjunction with this reality
With the attached drawing of new embodiment, the technical solution in the utility model embodiment is clearly and completely described, is shown
So, described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.
On " coupling " appeared in this paper, being directly connected to for two modules or Unit two or two elements can be referred to, also may be used
To refer to being indirectly connected with for two modules or Unit two or two elements, i.e. also there are other modules between two modules or Unit two or two elements
Or unit or element）.
The module diagram of the automatic gas processing system of the utility model embodiment is depicted with reference to Fig. 1, Fig. 1.
In the present embodiment, automatic gas processing system is mainly by processing pond, addition pond, recovery pond, exhaust air chamber, sensing
Device group, controller, ventilating fan, valve for air exhaust composition, outside couple exhaust outlet and mass spectrometric each exhaust piping, coordinate
PC control, is finally completed exhaust gas centralized processing, the discharge for producing mass spectrograph, and can effectively prevent the work(that exhaust gas pours in down a chimney
Can, when reducing mass spectrograph work, the influence to environment.
As shown in Figure 1, after mass spectrograph enters operating mode, self-checking command is assigned by host computer, automatic exhaust system connects
After receipts, into Auto-Sensing Mode, the acid-base value for the treatment of fluid in central controller detection process pond, control is opened valve for air exhaust, ventilating fan, is connect
The data-signal that each sensor returns is received, while controls each valve switch, after determining that air exhaust controller state is normal, is sent
Standby command is to host computer；When determining that exhaust control system is standby, host computer sends control of the work order to exhaust control system
Device processed, after controller decoding, automatic exhausting control system enters operating mode.
In operating mode, host computer can directly control the various components of exhaust system, such as the regulation and control of wind speed, and detection is useless
The acid-base value in gas pond etc., or host computer can directly give automatic air exhaust controller independently to complete processing function, i.e., automatic control
Molding formula.
After air exhaust controller enters automatic mode, when mass spectrometric exhaust gas 1 will enter processing pond by gas pipeline
When, by the pH value of sensor group detection exhaust gas 1, pass to and handled by controller, open the control valve in relevant treatment pond, such as
Slant acidity gas then opens basic treatment pond valve or meta-alkalescence gas then opens acidic treatment pond valve, and exhaust gas 1 enters processing
Pond is handled；
The exhaust gas 1 handled by acid-base neutralization, afterwards into activated carbon adsorption tank, carries out adsorption treatment, forms processing
Later exhaust gas 2；
After exhaust gas 2 produces, sensor group detection indices, such as temperature, pH, pressure etc. are entered by pipeline, and pass through
Bus sends data to central controller；
Control chip receives the every gas index handled, by being contrasted with controller internal gas index, reaches threshold
After value, such as to reach balance, gas temperature normal etc. for soda acid, opens gas valve, exhaust gas 2 enters exhaust air chamber；
During into exhaust air chamber, exhaust gas 2 forms the exhaust gas 3 that can be discharged by last filtering；
After of short duration storage, system prepares to start the discharge to exhaust gas exhaust gas 3.
Central controller is first turned on air bleeding valve by drive circuit, and output pwm signal to ventilating fan, starts air-exhausting function, when
After exhaust air chamber establishes convection current with exhaust outlet, central controller is by sensor group to the exhaust gas wind speed produced in exhaust gas pond, adjust automatically
The value of PWM, adjusts the motor speed of ventilating fan, so as to ensure there is a steady and sustained state discharge during exhaust gas discharge all the time.
In the state of whole air exhaust controller work, every sensor real-time delivery parameters to controller；When
When treatment fluid acid-base value in processing pond drops to warning value, controller opens solution pump addition treatment fluid, while opens recycling
Valve, recycles the treatment fluid after use, after the index for the treatment of fluid is normal, closes solution pump and recovery valve, ensure that mass spectrograph
Continuous firing.
Only express some embodiments of the utility model above, its describe it is more specific and in detail, but can not be because
This and be interpreted as the limitation to the utility model patent scope.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the concept of the premise utility, various modifications and improvements can be made, it is new that these belong to this practicality
The protection domain of type.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. icp ms automatic gas processing system, it is characterised in that including：Processing pond, addition Pond, recovery pond, exhaust air chamber, sensor group, controller, ventilating fan, valve for air exhaust；Processing pond, to focus on all waste gases of mass spectrograph generation；Pond is added, to the treatment fluid in automatic addition processing pond；Recovery pond, to recycle used treatment fluid in pond；Exhaust air chamber, to the absorption and detection of exhaust gas 2, produces the exhaust gas 3 that can be discharged；Sensor group, to detect every gas parameter of exhaust gas；Controller, receives the instruction of host computer, and the information of receiving sensor group, is real-time transmitted to host computer, focuses on exhaust gas, The addition and exclusion for the treatment of fluid；Control the discharge of gas；Ventilating fan, to adjust the size of exhaust air rate, the speed of control exhaust gas discharge；Valve for air exhaust, connects unicom exhaust outlet and exhaust air chamber.
- 2. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the processing pond further includes：The gas pipeline being connected with mass spectrograph, acidic treatment pond, basic treatment pond and activated carbon adsorption Pond.
- 3. a kind of icp ms automatic gas processing system according to claim 2, its feature exist It is adjacent in, the acidic treatment pond and the basic treatment pond but be not communicated with, the acidic treatment pond and basic treatment pond all and Activated carbon adsorption tank communicates.
- 4. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the addition pond further includes：Acid, alkali process liquid, and solution pump.
- 5. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the recovery pond further includes：Recovery pond body and recycling valve, the recovery pond are returned used treatment fluid Receive.
- 6. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the sensor group further includes：PH sensors, gas pressure sensor, gas temperature sensor, air velocity transducer.
- 7. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the exhaust air chamber further includes：Exhaust air chamber body and filter screen, the filter screen are installed at the air inlet of exhaust air chamber body, The qualified exhaust gas 2 of the filter screen filtration detection, the exhaust air chamber produces exhaust gas 3, and temporarily stores the exhaust gas that will be discharged 3。
- 8. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In the controller further includes：Control chip, communication interface, communication bus and peripheral circuit, the controller decode host computer Instruction, read the parameter of sensor group, control aperture, the motor speed of ventilating fan of valve for air exhaust, Returning sensor group It is worth the parameters for host computer, monitoring gas.
- 9. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In ventilating fan further includes：Digital communication circuit, direct current generator and motor-drive circuit；The motor-drive circuit completes solution The drive signal of code controller, adjusts the wind speed of ventilating fan in real time；The Digital communication circuit completes host computer and the letter of system Breath exchanges.
- 10. a kind of icp ms automatic gas processing system according to claim 1, its feature exist In valve for air exhaust further includes：Digital communication circuit, valve positioner and drive circuit；Drive circuit is solving code controller Drive signal, in real time adjust valve for air exhaust aperture；When the pressure anomaly of exhaust outlet, valve for air exhaust shut-off, prevents exhaust gas from falling Fill, while controller sends the warning of ventilating system exception to host computer.
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| CN201721283961.3U CN207356911U (en) | 2017-10-01 | 2017-10-01 | A kind of icp ms automatic gas processing system |
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| CN201721283961.3U CN207356911U (en) | 2017-10-01 | 2017-10-01 | A kind of icp ms automatic gas processing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107638793A (en) * | 2017-10-01 | 2018-01-30 | 江苏天瑞仪器股份有限公司 | A kind of icp mses automatic gas processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638793A (en) * | 2017-10-01 | 2018-01-30 | 江苏天瑞仪器股份有限公司 | A kind of icp mses automatic gas processing system |
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