CN206911256U - A kind of system of miniature on-line automatic proportioning concentration of nitric acid - Google Patents
A kind of system of miniature on-line automatic proportioning concentration of nitric acid Download PDFInfo
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- CN206911256U CN206911256U CN201720656945.8U CN201720656945U CN206911256U CN 206911256 U CN206911256 U CN 206911256U CN 201720656945 U CN201720656945 U CN 201720656945U CN 206911256 U CN206911256 U CN 206911256U
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Abstract
The utility model provides a kind of system of miniature on-line automatic proportioning concentration of nitric acid, it is characterized in that, including the nitron intake line and desalination water input conduit controlled by PLC system, the nitric acid matched in mixing chamber is transported in on-line analysis instrument in mixing chamber by the nitron of nitron intake line output and the demineralized water of desalination water input conduit output by delivery pump.The utility model has the characteristics that：Whole proportioning process is automatically realized by PLC logic controls, is participated in without artificial；Whole process realizes automatic monitoring malfunction, can quick failure judgement reason；The automatic mixing of any Concentration Reagent can be realized；With multiple security protection measure, when can avoid failure, reagent overflows, and pollutes environment, injures human body.
Description
Technical field
The system that the utility model is related to the nitron concentration needed for a kind of miniature automatic mixing on-line analysis instrument.
Background technology
, it is necessary to ensure in-line analyzer using some dangerous nitrons in the actual use of on-line analysis instrument
The measuring environment of table reaches on-line analysis instrument accurately use environment required by measurement.For petrochemical plant, online
The measurement data of analysis meter is extremely important, it is necessary to assure on-line analysis instrument can be measured accurately for a long time.
In some on-line analysis instrument, each measurement period is required for some nitrons to realize in-line analyzer
For the environment that the measurement of table measures, it is necessary to which nitron is lost for a long time, generally such nitron is required for periodically artificial replacing,
, will be to producing infringement to human body if misoperation during artificial change.
The content of the invention
The purpose of this utility model is to provide a kind of system of the automatic addition nitron for on-line analysis instrument.
In order to achieve the above object, the technical solution of the utility model there is provided a kind of miniature on-line automatic proportioning nitric acid
The system of concentration, it is characterised in that including the nitron intake line and desalination water input conduit controlled by PLC system, nitre
In mixing chamber, passing through delivery pump will for the nitron of acid reagent intake line output and the demineralized water of desalination water input conduit output
The nitric acid matched in mixing chamber is transported in on-line analysis instrument.
Preferably, the nitron intake line includes ball valve one, one end connection nitron input pipe of ball valve one
Road, the other end connect pneumatic two pass ball valve one, and pneumatic two pass ball valve one connects metering valve one by pressure-reducing valve one, and metering valve one connects
Connect the mixing chamber；
Ball valve one, pneumatic two pass ball valve one, pressure-reducing valve one, metering valve one control by the PLC system.
Preferably, the pressure-reducing valve one is connected with the pressure gauge one with the high alarm of pressure.
Preferably, the flowmeter one with low alarm is provided between the pressure-reducing valve one and the metering valve one.
Preferably, the desalination water input conduit includes ball valve two, and one end of ball valve two connects demineralized water input channel, separately
One end connects filter, and filter connects the mixing chamber via pneumatic two pass ball valve two, pressure-reducing valve two, metering valve two successively；
Ball valve two, pneumatic two pass ball valve two, pressure-reducing valve two, metering valve two control by the PLC system.
Preferably, the pressure-reducing valve two is connected with the pressure gauge two with the high alarm of pressure.
Preferably, the flowmeter two with low alarm is provided between the pressure-reducing valve two and the metering valve two.
The utility model has the characteristics that：
1st, whole proportioning process is automatically realized by PLC logic controls, is participated in without artificial；
2nd, whole process realizes automatic monitoring malfunction, can quick failure judgement reason；
3rd, the automatic mixing of any Concentration Reagent can be realized；
4th, there is multiple security protection measure, when can avoid failure, reagent overflows, and pollutes environment, injures human body.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the system of miniature on-line automatic proportioning concentration of nitric acid provided by the utility model.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please appended claims limited range.
With reference to Fig. 1, the microsystem of concentration nitric acid includes ball valve needed for a kind of full-automatic proportioning provided by the utility model
One 1, pneumatic two pass ball valve 1, pressure-reducing valve 1, the pressure gauge 1 with the high alarm of pressure, the flowmeter 1 with low alarm,
Metering valve 1, mixing chamber 9, delivery pump, PLC system, ball valve 25, filter 12, pneumatic two pass ball valve 26, pressure-reducing valve 27,
Pressure gauge 2 13, the flowmeter 2 14 with low alarm, metering valve 28 with the high alarm of pressure.
Certain density nitric acid is connected with ball valve 1, and nitron stream is cut off or opened by pneumatic two pass ball valve 1
It is logical, depressurized by pressure-reducing valve 1, the pressure after pressure-reducing valve 1 depressurizes is monitored by the pressure gauge 1 with the high alarm of pressure, led to
Cross the flowmeter 1 with low alarm and monitor flow, the flow passed through is controlled by metering valve 1.Another way demineralized water and ball valve
25 connections, nitron is cut off or opened by pneumatic two pass ball valve 26 and is circulated, is depressurized by pressure-reducing valve 27, by with pressure
The pressure gauge 2 13 of the high alarm of power monitors the pressure after pressure-reducing valve 27 depressurizes, and stream is monitored by the flowmeter 2 14 with low alarm
Amount, the flow passed through is controlled by metering valve 28.The certain density proportional flow of nitric acid and demineralized water is in mixing chamber 9
Mixing；The time into the amount of mixing chamber and beginning and stopping proportioning of nitric acid and demineralized water is controlled by PLC system, is led to
Cross delivery pump the nitric acid matched is transported in on-line analysis instrument.
In addition, the utility model is by the pressure gauge with alarm and the whole proportioning process of the monitoring of the flowmeter with alarm
It is no normal.In the system failure, stop proportioning nitric acid, prevent nitric acid from overflowing, endanger environment, injure human body.Entirely match somebody with somebody above-mentioned
Than during, without artificially participating, whole process will be all automatically performed by PLC program, while automatic tracing trouble, just
Miniature automatic mixing system to be safeguarded in maintenance personal, there is multiple security protection measure, when can avoid failure, reagent overflows,
Environment is polluted, injures human body.
Claims (7)
1. a kind of system of miniature on-line automatic proportioning concentration of nitric acid, it is characterised in that including the nitric acid examination controlled by PLC system
Agent intake line and desalination water input conduit, the nitron of nitron intake line output and the output of desalination water input conduit
Demineralized water in mixing chamber (9), the nitric acid matched in mixing chamber (9) is transported in on-line analysis instrument by delivery pump.
A kind of 2. system of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 1, it is characterised in that the nitric acid
Reagent intake line includes ball valve one (1), and one end connection nitron input channel of ball valve one (1), other end connection is pneumatically
Two pass ball valves one (2), pneumatic two pass ball valve one (2) connect metering valve one (4), metering valve one (4) connection by pressure-reducing valve one (3)
The mixing chamber (9)；
Ball valve one (1), pneumatic two pass ball valve one (2), pressure-reducing valve one (3), metering valve one (4) control by the PLC system.
A kind of 3. system of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 2, it is characterised in that the decompression
Valve one (3) is connected with the pressure gauge one (10) with the high alarm of pressure.
4. the system of a kind of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 2, it is characterised in that subtract described
The flowmeter one (11) with low alarm is provided between pressure valve one (3) and the metering valve one (4).
A kind of 5. system of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 1, it is characterised in that the desalination
Water input conduit includes ball valve two (5), one end connection demineralized water input channel of ball valve two (5), other end connection filter
(12), filter (12) connects the mixing via pneumatic two pass ball valve two (6), pressure-reducing valve two (7), metering valve two (8) successively
Room (9)；
Ball valve two (5), pneumatic two pass ball valve two (6), pressure-reducing valve two (7), metering valve two (8) control by the PLC system.
A kind of 6. system of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 5, it is characterised in that the decompression
Valve two (7) is connected with the pressure gauge two (13) with the high alarm of pressure.
7. the system of a kind of miniature on-line automatic proportioning concentration of nitric acid as claimed in claim 5, it is characterised in that subtract described
The flowmeter two (14) with low alarm is provided between pressure valve two (7) and the metering valve two (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656945.8U CN206911256U (en) | 2017-06-07 | 2017-06-07 | A kind of system of miniature on-line automatic proportioning concentration of nitric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720656945.8U CN206911256U (en) | 2017-06-07 | 2017-06-07 | A kind of system of miniature on-line automatic proportioning concentration of nitric acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206911256U true CN206911256U (en) | 2018-01-23 |
Family
ID=61313790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720656945.8U Active CN206911256U (en) | 2017-06-07 | 2017-06-07 | A kind of system of miniature on-line automatic proportioning concentration of nitric acid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206911256U (en) |
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2017
- 2017-06-07 CN CN201720656945.8U patent/CN206911256U/en active Active
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