CN209727872U - A kind of MTO catalyst chromatography sampling apparatus - Google Patents
A kind of MTO catalyst chromatography sampling apparatus Download PDFInfo
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- CN209727872U CN209727872U CN201920206969.2U CN201920206969U CN209727872U CN 209727872 U CN209727872 U CN 209727872U CN 201920206969 U CN201920206969 U CN 201920206969U CN 209727872 U CN209727872 U CN 209727872U
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- Prior art keywords
- chromatography
- unit
- valve
- sampling
- pipeline
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- 238000005070 sampling Methods 0.000 title claims abstract description 47
- 238000004587 chromatography analysis Methods 0.000 title claims abstract description 43
- 239000003054 catalyst Substances 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 210000002659 acromion Anatomy 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of MTO catalyst chromatography sampling apparatuses, including sampling pipeline and chromatography engine control system, sampling pipeline includes several sampling channels, the on-off of chromatography engine control system selection control sampling channel, No. 5 PB valve V5 are installed on the sampling pipeline, No. 6 PB valves V6, No. 6 PB valve V6 are added on sampling pipeline, and for installation site behind No. 5 PB valve V5, No. 6 PB valve V6 pass through threeway and the subsequent piping connection of original No. 5 PB valves in pipeline.It has the advantage that the residual gas in removal sampling pipeline, pipeline used in different reacting furnace channels is all purged completely, different sample rooms, the chromatography sample precision of differential responses furnace interchannel are improved.
Description
Technical field
The utility model relates to a kind of MTO catalyst chromatography sampling apparatuses, belong to mechanical equipment technical field.
Background technique
Finished catalyst evaluating apparatus is one of highest equipment of quality inspection portion applying frequency, daily substantially continual
Operating.Before doing and improving, because reaction unit and chromatography shortage effectively go residual measure, sampling used in chromatography to pipeline
Pipeline can all have the residuals of last sampling, therefore not only same sample reduces chromatography sampling in the analysis process
Precision；And the degree that influences each other this also increases different samples in the analysis process, considerably increase analytical error.
Utility model content
Problem to be solved in the utility model is against the above deficiency, to provide a kind of MTO catalyst chromatography sampling apparatus, go
Except the residual gas in sampling pipeline, pipeline used in different reacting furnace channels is all purged completely, different samples are improved
Between, the chromatography sample precision of differential responses furnace interchannel.
To solve the above-mentioned problems, the utility model uses following technical scheme:
A kind of MTO catalyst chromatography sampling apparatus, including sampling pipeline and chromatography engine control system, sampling pipeline include
Several sampling channels, the selection of chromatography engine control system control the on-off of sampling channel, are equipped with No. 5 PB on the sampling pipeline
Valve V5 is sampled and is added No. 6 PB valves V6, No. 6 PB valve V6 on pipeline installation site is behind No. 5 PB valve V5 in pipeline, and No. 6
PB valve V6 passes through threeway and the subsequent piping connection of original No. 5 PB valves.
Further, No. 6 PB valves V6 is connected on high pure nitrogen, this No. 6 PB valve V6 are used as blowback gas control valve.
Further, the chromatography engine control system includes central processing unit, and central processing unit is connected with 4K and deposits
Reservoir, 20K read-only memory, keyboard and display unit, clock counter, relay control unit, biasing D/A unit, A/D are logical
Road unit, parallel cell interface, biasing D/A unit connection color band data and each temperature voltage measuring circuit, colour band data and
Each temperature voltage measuring circuit connects A/D channel unit, and parallel cell interface is connected with print unit and status indicator lamp unit.
Further, the central processing unit uses INTEL8085CPU.
Further, the keyboard and display unit interface use programmable Intel8279 chip, and keyboard portion is used for
The related parameter setting of temperature, analysis method, display portion are mainly used for displays temperature and set parameter.
Further, the print unit uses TpuP-16 mini-printer, and print unit is connected with 8255 chips, benefit
Spectrogram and analysis report are printed with a port address timesharing of 8255 chips.
Further, the A/D channel unit uses AD574 chip, and biasing D/A unit uses DAC-80 chip, passes through
It connects 8255 chips to be communicated with CPU, biases D/A unit and A/D channel unit acquisition data for peak shape processing.
Further, the relay control unit is connected with 8255 chips, is driven using 8255 chip controls relays
PB valve carries out channel selecting.
The utility model is had the following technical effect that compared with prior art using above technical scheme
Residual gas in removal sampling pipeline, all purges pipeline used in different reacting furnace channels completely, improves
Different sample rooms, the chromatography sample precision of differential responses furnace interchannel.
The utility model is described in detail with reference to the accompanying drawings and examples.
Detailed description of the invention
Attached drawing 1 is the sampling pipeline architecture schematic diagram of MTO catalyst chromatography sampling apparatus in the utility model embodiment；
Attached drawing 2 is the chromatography engine control system structure of MTO catalyst chromatography sampling apparatus in the utility model embodiment
Schematic diagram.
Specific embodiment
Embodiment 1, as depicted in figs. 1 and 2, a kind of MTO catalyst chromatography sampling apparatus, including sampling pipeline and chromatography master
Machine control system, sampling pipeline include several sampling channels, and the on-off of chromatography engine control system selection control sampling channel is adopted
No. 5 PB valve V5, No. 7 PB valve V7, No. 9 PB valve V9, No. 11 PB valve V11 are installed on sample pipeline, samples and adds No. 6 PB on pipeline
For installation site behind No. 5 PB valve V5, No. 6 PB valve V6 pass through threeway and original No. 5 PB in pipeline by valve V6, No. 6 PB valve V6
The subsequent piping connection of valve.
No. 6 PB valves V6 is connected on high pure nitrogen, this No. 6 PB valve V6 are used as blowback gas control valve, and blowback air is used
PB valve controls on-off, turns on PB valve when needed, connects blowback air, makes chromatography in blowback air blowback sample introduction pipeline and chromatography
Column.
No. 5 PB valves V5, No. 6 PB valve V6, No. 7 PB valve V7, No. 9 PB valve V9, No. 11 PB valve V11 are connected separately with relay
Device, chromatography engine control system control No. 5 PB valve V5, No. 6 PB valve V6, No. 7 PB valve V7, No. 9 PB valves by control relay
The on-off of V9, No. 11 PB valve V11.
The chromatography engine control system includes central processing unit, and central processing unit is connected with 4K memory, 20K only
Read memory, keyboard and display unit, clock counter, relay control unit, biasing D/A unit, A/D channel unit, simultaneously
Line interface unit, biasing D/A unit connection color band data and each temperature voltage measuring circuit, colour band data and each temperature voltage
Measuring circuit connects A/D channel unit, and parallel cell interface is connected with print unit and status indicator lamp unit.
The central processing unit uses INTEL8085CPU, and cured dedicated program is 20K read-only memory, deposits at random
Reserves are 4K.
The keyboard and display unit interface use programmable Intel8279 chip, keyboard portion be mainly used for temperature,
The setting such as related parameter of analysis method, display portion are mainly used for displays temperature and set parameter.
The print unit uses TpuP-16 mini-printer, and print unit is connected with 8255 chips, utilizes 8255 chips
Port address timesharing printing spectrogram and analysis report.
The A/D channel unit use AD574 chip, biasing D/A unit use DAC-80 chip, biasing D/A unit and
A/D channel unit data acquisition is divided into three channels, controlled by variable connector, the temperature data in two channels of acquisition time and
Data used in one data processing are communicated with CPU by 8255 chips of connection, bias D/A unit and A/D channel unit
Data are acquired for peak shape processing, starting point, fixed point, terminal or the valley point of peak shape are judged by collected data, calculates peak face
Product, retention time etc., the calculation method finally needed according to user calculate and print the analysis report in five channels, bias
The data processing range of D/A unit and A/D channel unit include unimodal, overlap peak, acromion, different mountain processing and eliminate spike
Etc. Interference Peaks, level correction and non-horizontal correction can be carried out.
The relay control unit is connected with 8255 chips, drives PB valve using 8255 chip controls relays, carries out
Channel selecting, PB valve can accurately switch, and gas circuit is conducive to the separation of chromatographic column without additional vapour lock after switching.
In installation after this No. 6 PB valve V6, in same sample operating analytic process, by controlling the on-off of No. 6 PB valves,
Blowback air can be allowed to purge the quantitative loop of chromatography sampling, make no longer to sample containing last time in quantitative loop full of high pure nitrogen
Remaining gas, this be greatly lowered same sample different time sections sampling caused by error.
In analytic process between different samples, the control journey of No. 6 valves is added by the aging blowing method to chromatography
Sequence can repeatedly purge chromatography quantification ring, make the residual gas for no longer containing a upper sample in quantitative loop；Color is utilized simultaneously
Spectrum engine control system judges whether to relay and PB valve electric current to control its on-off, by No. 5 PB valves of control, No. 7, No. 9,
The on-off of No. 11 relays makes the pipeline of purge gass purging chromatography sampling come from No. 6 PB valves, different reacting furnace channels
Pipeline used all purges completely；This provides for improved different sample rooms, the chromatography sample precisions of differential responses furnace interchannel.
The above is the citing of the utility model preferred forms, wherein the part that do not address in detail is this field
The common knowledge of those of ordinary skill.The protection scope of the utility model is based on the contents of the claims, any to be based on this reality
The equivalent transformation carried out with novel technical inspiration, is also within the protection scope of the utility model.
Claims (8)
1. a kind of MTO catalyst chromatography sampling apparatus, including sampling pipeline and chromatography engine control system, if sampling pipeline includes
Dry sampling channel, the on-off of chromatography engine control system selection control sampling channel, it is characterised in that: pacify on the sampling pipeline
Equipped with No. 5 PB valve V5, sample added on pipeline No. 6 PB valves V6, No. 6 PB valve V6 in pipeline installation site in No. 5 PB valve V5
Behind, No. 6 PB valve V6 pass through threeway and the subsequent piping connection of original No. 5 PB valves.
2. a kind of MTO catalyst chromatography sampling apparatus as described in claim 1, it is characterised in that: No. 6 PB valves V6 connection
Onto high pure nitrogen, this No. 6 PB valve V6 are used as blowback gas control valve.
3. a kind of MTO catalyst chromatography sampling apparatus as described in claim 1, it is characterised in that: the chromatography host control
System includes central processing unit, central processing unit be connected with 4K memory, 20K read-only memory, keyboard and display unit,
Clock counter, relay control unit, biasing D/A unit, A/D channel unit, parallel cell interface, biasing D/A unit connect
It is connected to colour band data and each temperature voltage measuring circuit, colour band data and each temperature voltage measuring circuit connect A/D channel unit,
Parallel cell interface is connected with print unit and status indicator lamp unit.
4. a kind of MTO catalyst chromatography sampling apparatus as claimed in claim 3, it is characterised in that: the central processing unit
Using INTEL8085CPU.
5. a kind of MTO catalyst chromatography sampling apparatus as claimed in claim 3, it is characterised in that: the keyboard and display are single
First interface uses programmable Intel8279 chip, and keyboard portion is used for temperature, the related parameter setting of analysis method, display unit
Divide and is mainly used for displays temperature and set parameter.
6. a kind of MTO catalyst chromatography sampling apparatus as claimed in claim 3, it is characterised in that: the print unit uses
TpuP-16 mini-printer, print unit are connected with 8255 chips, print spectrogram using a port address timesharing of 8255 chips
And analysis report.
7. a kind of MTO catalyst chromatography sampling apparatus as claimed in claim 3, it is characterised in that: the A/D channel unit is adopted
It with AD574 chip, biases D/A unit and uses DAC-80 chip, communicated by 8255 chips of connection with CPU, biasing D/A is mono-
Member and A/D channel unit acquisition data are for peak shape processing.
8. a kind of MTO catalyst chromatography sampling apparatus as claimed in claim 3, it is characterised in that: the relay control is single
Member is connected with 8255 chips, drives PB valve using 8255 chip controls relays, carries out channel selecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206969.2U CN209727872U (en) | 2019-02-18 | 2019-02-18 | A kind of MTO catalyst chromatography sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206969.2U CN209727872U (en) | 2019-02-18 | 2019-02-18 | A kind of MTO catalyst chromatography sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727872U true CN209727872U (en) | 2019-12-03 |
Family
ID=68683151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920206969.2U Expired - Fee Related CN209727872U (en) | 2019-02-18 | 2019-02-18 | A kind of MTO catalyst chromatography sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727872U (en) |
-
2019
- 2019-02-18 CN CN201920206969.2U patent/CN209727872U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |