CN208313933U - A kind of circulating air automatic detection discharge and live gas replenishment system - Google Patents
A kind of circulating air automatic detection discharge and live gas replenishment system Download PDFInfo
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- CN208313933U CN208313933U CN201820789450.7U CN201820789450U CN208313933U CN 208313933 U CN208313933 U CN 208313933U CN 201820789450 U CN201820789450 U CN 201820789450U CN 208313933 U CN208313933 U CN 208313933U
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Abstract
The utility model discloses a kind of circulating air automatic detection discharge and live gas replenishment systems, including reactor, the side of the reactor is connect with live gas supplement pipeline, upper end is connect with gas outlet duct, and the live gas supplement pipeline is equipped with long-range control and regulation valve two, the gas outlet duct is equipped with pressure sensor.Beneficial effect is: can reach automatic-discharging exhaust gas in the cycle gas system in hydrogenation reaction, it is automatically replenished live gas, complete sequencing, the progress of automation, avoid traditional artificial sampling, sample presentation analyzes the lag of bring human error and result, saves cost of labor and device can be allowed to make rapid reaction according to the actual situation.Both the supplement of live gas and the discharge of exhaust gas can carry out simultaneously, be detected respectively by different sensors, avoid device pressure and wide fluctuations occur for each component gas concentration, so that device is smoothly run.
Description
Technical field
The utility model relates to hydrogenation test apparatus fields, and in particular to a kind of circulating air automatic detection discharge and fresh
Gas replenishment system.
Background technique
In recent years, add hydrogen pilot-plant towards the trend development of automation, hydrogenation plant recycle hydrogen system hydrogen,
The gas concentrations such as ammonia, hydrogen sulfide have conclusive influence to the effect of hydrogenation reaction.It is all to carry out in traditional pilot-plant
Artificial sample, rear sample presentation to laboratory carry out gas spectrum analysis, manually carry out the discharge of useless hydrogen in circulating air again according to result.This
Kind method lags gas sampling analysis result seriously, causes the undesirable gas component for influencing to react that cannot timely arrange
It removes.Artificial sample and sample presentation analysis, labor intensive, while when artificial sample can not exclude artificially to sample caused by error.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of circulating air automatic detection discharge
And live gas replenishment system, can Cycle Automation detection gas, and carry out on line real time, additionally it is possible to carry out exhaust gas
Discharge is replenished in time with live gas, easy to use.
The utility model achieves the above object through the following technical schemes:
A kind of circulating air automatic detection discharge and live gas replenishment system, including reactor, the side of the reactor
Portion is connect with live gas supplement pipeline, and upper end is connect with gas outlet duct；
One branch of gas outlet duct connects exhaust emission pipe, another branch's connection gas recycling duct and gas
Delivery pipe is detected, the gas recycling duct is connect with the reactor lower end, and the gas detection delivery pipe and gas are online
Analyzer connection, and gas detection delivery pipe is equipped with pressure reducing valve.
Preferably, the exhaust emission pipe is connected with the long-range control and regulation of control exhaust emission pipe gas flow
Valve one.
Preferably, the live gas supplement pipeline is equipped with the long-range of control live gas supplement pipeline gas flow
Control to adjust valve two.Preferably, the gas on-line analyzer is connect with one signal of controller, the gas on-line analyzer
It is connect with one signal of controller, the controller one is connect with long-range one signal of control and regulation valve, the reactor and remote
Gas outlet duct between process control regulating valve one is equipped with pressure sensor, and the pressure sensor and one signal of controller connect
It connects, and forms exhaust emission system.
Preferably, pressure sensing is arranged on the side of the reactor and the long-range pipeline controlled to adjust between valve two
Device；The pressure sensor is connect with controller binary signal, and the controller two connects with the long-range control and regulation valve binary signal
It connects, and forms live gas replenishment system.
Preferably, the reactor uses packed column or plate column.
To sum up, the utility model has the beneficial effects that: automatic row can be reached in the cycle gas system in hydrogenation reaction
Exhaust gas is put, live gas, complete sequencing are automatically replenished, the progress of automation avoids traditional artificial sampling, sample presentation analysis
The lag of bring human error and result saves cost of labor and device can be allowed to make according to the actual situation rapidly
Reaction.Both the supplement of live gas and the discharge of exhaust gas can carry out simultaneously, detected, kept away by different sensors respectively
Device pressure is exempted from and wide fluctuations occurs for each component gas concentration, so that device is smoothly run.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the utility model exhaust emission system control figure；
Fig. 3 is the control figure of the utility model live gas replenishment system.
The reference numerals are as follows:
1, live gas supplements pipeline；2, valve two is remotely controlled to adjust；3, reactor；4, pressure sensor；5, long-range control
Regulating valve one processed；6, exhaust emission pipe；7, gas recycling duct；8, pressure reducing valve；9, gas on-line analyzer；10, gas is defeated
Pipeline out；11, gas detection delivery pipe；12, controller one；13, controller two.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-3, the utility model provides a kind of circulating air automatic detection discharge and live gas is mended
The side of charging system, including reactor 3, the reactor 3 is connect with live gas supplement pipeline 1, upper end and gas output tube
Road 10 connects, and facilitates the discharge of reaction gas；
10 1 branch of gas outlet duct connects exhaust emission pipe 6, and exhaust emission pipe 6 facilitates the row of exhaust gas
Out, another branch's connection gas recycling duct 7 and gas detection delivery pipe 11, the gas recycling duct 7 can be such that gas follows
Loopback reactor 3, carries out duplicate reaction, and the exhaust emission pipe 6 is connected with long-range control and regulation valve 1, the gas
Circulating line 7 is connect with 3 lower end of reactor, and the gas detection delivery pipe 11 is connect with gas on-line analyzer 9, and gas
Physical examination surveys delivery pipe 11 and is equipped with pressure reducing valve 8, and pressure reducing valve 8 can reduce the pressure of gas, make to be input into gas on-line analyzer 9
Stable gas pressure.
As preferred embodiment, for convenience of the connection between pipeline, the gas recycling duct 7, the gas detection
Delivery pipe 11 is connect with a branch of the gas outlet duct 10 by threeway.
As preferred embodiment, the exhaust emission pipe 6 is connected with the remote of control 6 gas flow of exhaust emission pipe
Process control regulating valve 1.
As preferred embodiment, the live gas supplement pipeline 1 is equipped with control live gas and supplements 1 gas of pipeline
The long-range control and regulation valve 22 of flow.
As preferred embodiment, for that exhaust gas can be facilitated to discharge, realize automation, the gas on-line analyzer 9 with
The connection of one 12 signal of controller, the controller 1 are connect with long-range one 5 signal of control and regulation valve, the reactor 3
It is equipped with pressure sensor 4 with the long-range gas outlet duct 10 controlled to adjust between valve 1, pressure sensor 4 is able to detect
The gas pressure of gas outlet duct 10, the pressure sensor 4 are connect with one 12 signal of controller, and form exhaust gas discharge system
System.
As preferred embodiment, it is automatically replenished live gas for convenience, realizes automation, the gas on-line analyzer
9 connect with 2 13 signal of controller, and the controller 2 13 is connect with long-range 22 signal of control and regulation valve, the reaction
Pressure sensor is also provided on the side of device 3 and the long-range pipeline controlled to adjust between valve 22；The pressure sensor and control
The connection of 2 13 signal of device, and form live gas replenishment system.
The controller 1 and 2 13 forming control system of controller.
Further, the reactor 3 uses packed column or plate column.
The present embodiment, which also provides, a kind of to carry out circulating air automatic detection discharge and live gas using above system and supplements
Method, comprising:
Using the above structure, when work, when the gas discharged in reactor 3 needs to be recycled, by gas output tube
Gas is discharged into gas recycling duct 7 and gas detection delivery pipe 11 by road 10, and the long-range control and regulation valve 1 described at this time controls
The exhaust emission pipe 6 is closed, and gas can be recycled back to 3 circular response of reactor by gas recycling duct 7；Gas passes through
Pressure reducing valve 8 in gas detection delivery pipe 11 enters gas on-line analyzer 9 after depressurizing, and the gas recycled constantly enters gas
In-line analyzer 9 is able to carry out real-time on-line checking analysis, according to the value being previously set by remotely controlling after obtaining a result
Regulating valve 1 controls the opening and closing of exhaust emission pipe 6, when the concentration detected is more than setting value long-range control and regulation
Valve one is opened, and the discharge of exhaust gas is carried out, when gas analyzer detects concentration lower than setting value, by remotely controlling to adjust valve one
5 close to control exhaust emission pipe 6, and circulating air again passes by gas recycling duct 7 and is recycled back to the secondary response again of reactor 3.
Further, when remotely controlling to adjust the discharge of the control of valve 1 progress of exhaust emission pipe 6 exhaust gas, pressure
Force snesor 4 detects pressure lower than setting value, and the long-range control live gas supplement pipeline 1 of valve 22 that controls to adjust is opened, carried out
Live gas supplement, live gas enters reactor 3 by live gas supplement pipeline 1, when pressure sensor 4 detects pressure
When being restored to setting value, the long-range control and regulation valve 22 controls live gas supplement pipeline 1 and closes, live gas supplement
Terminate, rationality concentration of component caused by exhaust gas discharge can either be supplemented and declined, reaction pressure is also able to maintain and is in ideal value.
Further, the discharge for carrying out exhaust gas, the gas during being somebody's turn to do in gas outlet duct described in real-time monitoring
Pressure calculates t moment and remotely controls to adjust one aperture of valve: existing between gas pressure and long-range control and regulation one aperture of valve as follows
Functional relation,Wherein Vt valve1Valve one is remotely controlled to adjust for t moment to open
Degree, Vt gas1For the gas pressure in t moment gas outlet duct, Vm valve1One aperture of valve is remotely controlled to adjust for the m moment, currently
The one aperture average value of long-range control and regulation valve at each moment before momentAs valve opening, basic item is set,
By the gas pressure of current t moment and before current time the sum of the gas pressure at each moment ratioAs repairing
Positive coefficient is that t moment remotely controls to adjust one aperture of valve using obtained long-range one aperture of control and regulation valve of the functional relation
Setting value, controller one will remotely control to adjust one aperture of valve and control for the setting value, and in the present system course of work
Real-time update remotely controls to adjust one aperture of valve, guarantees that gas pressure is constant in the gas outlet duct, avoids that gas occurs
Pressure jump and lead to the danger such as pipeline burst.
Further, the progress live gas supplement, the side of real-time monitoring reactor and long-range control during being somebody's turn to do
The gas pressure in pipeline between regulating valve two calculates t moment and remotely controls to adjust two aperture of valve: gas pressure and long-range control
There are following functional relation between two aperture of regulating valve processed,Wherein
Vt valve2Two aperture of valve, V are remotely controlled to adjust for t momentt gas2For t moment reactor side and it is long-range control to adjust valve two it
Between pipeline in gas pressure, Vm valveTwo aperture of valve is remotely controlled to adjust for the m moment, each moment is remote before current time
Two aperture average value of process control regulating valveBasic item is set as valve opening, by the gas of current t moment
The ratio of the sum of the gas pressure at each moment before pressure and current timeAs correction factor, according to the function
Obtained long-range two aperture of control and regulation valve of relationship is that t moment remotely controls to adjust two aperture setting value of valve, and controller two will
Long-range control and regulation two aperture of valve control is the setting value, and real-time update remotely controls to adjust in the present system course of work
Two aperture of valve guarantees that gas pressure is constant in the side and the long-range pipeline controlled to adjust between valve two of the reactor, avoids
Gas pressure occurs to uprush and lead to the danger such as pipeline burst.
The utility model can reach automatic-discharging exhaust gas in the cycle gas system in hydrogenation reaction, be automatically replenished virgin gas
Body, complete sequencing, the progress of automation avoid traditional artificial sampling, and sample presentation analyzes bring human error, Yi Jijie
The lag of fruit saves cost of labor and device can be allowed to make rapid reaction according to the actual situation.The supplement of live gas with
And both discharges of exhaust gas can carry out simultaneously, be detected respectively by different sensors, and device pressure and each component are avoided
Wide fluctuations occur for gas concentration, so that device is smoothly run.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (6)
1. a kind of circulating air automatic detection discharge and live gas replenishment system, it is characterised in that: described anti-including reactor
It answers the side of device to supplement pipeline with live gas to connect, upper end is connect with gas outlet duct；
One branch of gas outlet duct connects exhaust emission pipe, another branch's connection gas recycling duct and gas detection
Delivery pipe, the gas recycling duct are connect with the reactor lower end, the gas detection delivery pipe and gas on-line analysis
Instrument connection, and gas detection delivery pipe is equipped with pressure reducing valve.
2. a kind of circulating air automatic detection discharge and live gas replenishment system according to claim 1, it is characterised in that:
The exhaust emission pipe is connected with the long-range control and regulation valve one of control exhaust emission pipe gas flow.
3. a kind of circulating air automatic detection discharge and live gas replenishment system according to claim 1, it is characterised in that:
The live gas supplement pipeline is equipped with the long-range control and regulation valve two of control live gas supplement pipeline gas flow.
4. a kind of circulating air automatic detection discharge and live gas replenishment system according to claim 2, it is characterised in that:
The gas on-line analyzer is connect with one signal of controller, and the controller one connects with long-range one signal of control and regulation valve
It connects, the reactor and the long-range gas outlet duct controlled to adjust between valve one are equipped with pressure sensor, the pressure sensing
Device is connect with one signal of controller, and forms exhaust emission system.
5. a kind of circulating air automatic detection discharge and live gas replenishment system according to claim 3, it is characterised in that:
Pressure sensor is set on the side of the reactor and the long-range pipeline controlled to adjust between valve two；The pressure sensor with
The connection of controller binary signal, the controller two are connect with the long-range control and regulation valve binary signal, and form live gas benefit
Charging system.
6. a kind of circulating air automatic detection discharge and live gas replenishment system described in any one of -5 according to claim 1,
It is characterized by: the reactor uses packed column or plate column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789450.7U CN208313933U (en) | 2018-05-25 | 2018-05-25 | A kind of circulating air automatic detection discharge and live gas replenishment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789450.7U CN208313933U (en) | 2018-05-25 | 2018-05-25 | A kind of circulating air automatic detection discharge and live gas replenishment system |
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| CN208313933U true CN208313933U (en) | 2019-01-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508162A (en) * | 2018-05-25 | 2018-09-07 | 魏国平 | A kind of circulating air automatic detection discharge and live gas replenishment system |
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2018
- 2018-05-25 CN CN201820789450.7U patent/CN208313933U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508162A (en) * | 2018-05-25 | 2018-09-07 | 魏国平 | A kind of circulating air automatic detection discharge and live gas replenishment system |
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