CN208308736U - Producing ethylene from dehydration of ethanol actual training device - Google Patents
Producing ethylene from dehydration of ethanol actual training device Download PDFInfo
- Publication number
- CN208308736U CN208308736U CN201820666514.4U CN201820666514U CN208308736U CN 208308736 U CN208308736 U CN 208308736U CN 201820666514 U CN201820666514 U CN 201820666514U CN 208308736 U CN208308736 U CN 208308736U
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- China
- Prior art keywords
- ball valve
- gas
- dehydration
- condenser
- evaporator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The utility model discloses a kind of producing ethylene from dehydration of ethanol actual training devices, including the first gas-liquid separator, the first condenser, evaporator, reactor, the second condenser, the second gas-liquid separator, gas tank being sequentially connected, whole device environmental Kuznets Curves are positive pressure, using PID automatic instrument(s) system.In order to improve versatility, the utility model has carried out special designing, and whole process uses positive pressure operation, avoids negative-pressure operation security implication that may be present；PID automatic instrument(s) system is used for device, maintains alcohol vapour pressure, fixed bed reactors temperature to fluctuate in smaller range, to improve reaction effect；Student can grasp the driving, parking and case of emergency processing capacity of chemical production process by the operation and control to the present apparatus, while can cultivate the technological abilities such as the preparation of its chemical process, the control of technique tune part.
Description
Technical field
The utility model relates to a kind of instructional device, in particular to a kind of actual training device of producing ethylene from dehydration of ethanol.
Background technique
Quartz glass device at high temperature easily reveal by reaction mass, and it is larger that reaction process controls difficulty, it is difficult to reach teaching
With the requirement of plant produced seamless interfacing.Ethanol dehydration reaction technology is an important technical links of Chemical Manufacture, feature
It is the endothermic reaction, reaction temperature is high, has pressure and product ethylene inflammable and explosive.Current this kind of actual training device generallys use quartzy glass
Glass production, material is easily revealed during real training, process control difficulties, it is difficult to reach wanting for teaching and plant produced seamless interfacing
It asks.
Utility model content
For quartz glass device existing in the prior art, reaction mass is easily revealed at high temperature, and reaction process control is difficult
It spends larger, it is difficult to which the problem of reaching teaching and the requirement of plant produced seamless interfacing, the utility model provides a kind of ethanol dehydration
The actual training device of ethylene processed.
The technical solution of the utility model is as follows:
Producing ethylene from dehydration of ethanol actual training device, including the first gas-liquid separator, the first condenser, evaporation being sequentially connected
Device, reactor, the second condenser, the second gas-liquid separator, gas tank, whole device environmental Kuznets Curves are positive pressure, using PID automatic control
Instrument system.
The first ball valve is connected on first gas-liquid separator as a further improvement of the utility model,；Described
The first shut-off valve and the second ball valve are connected on one condenser, outlet end is connected with third ball valve；It is connected on the evaporator
There are the 4th ball valve, the 5th ball valve and the 6th ball valve, and is additionally provided with the second shut-off valve between evaporator and the first condenser；It is described
The 7th ball valve and third shut-off valve are provided on second condenser；The 8th ball valve is provided on second gas-liquid separator, and
It is connected by flowmeter with gas tank；The 9th ball valve, the tenth ball valve, the 11st ball valve, the 12nd are provided on the gas tank
Ball valve, the 13rd ball valve.
It connects as a further improvement of the utility model, and is provided with pressure on the pipeline of the first condenser and evaporator and refers to
Show meter, is additionally provided with heat indicator on the evaporator.
Pressure instruction control meter is also connected on the evaporator as a further improvement of the utility model, it is described anti-
It answers and is also connected with temperature instruction control meter on device.
Level indicator and pressure instruction are also connected on the gas tank as a further improvement of the utility model,
Meter.
The device uses electric heating system using a full set of stainless steel material, heating as a further improvement of the utility model,
System.
The beneficial effects of the utility model are as follows:
In order to improve versatility, the utility model has carried out special designing, and whole process uses positive pressure operation, avoids negative pressure
Operate security implication that may be present；PID automatic instrument(s) system is used for device, maintains alcohol vapour pressure, fixed bed reaction
Device temperature fluctuates in smaller range, to improve reaction effect；Student, can grasp by operation and control to the present apparatus
Driving, parking and the case of emergency processing capacity of work production process, while the preparation of its chemical process, technique tune part control can be cultivated
The technological abilities such as system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Marked in the figure: the first ball valve of 1-, the second ball valve of 2-, 3- third ball valve, the 4th ball valve of 4-, the 5th ball valve of 5-, 6-
Six ball valves, the 7th ball valve of 7-, the 8th ball valve of 8-, the 9th ball valve of 9-, the tenth ball valve of 10-, the 11st ball valve of 11-, the 12nd ball of 12-
Valve, the 13rd ball valve of 13-, the first shut-off valve of 14-, the second shut-off valve of 15-, 16- third shut-off valve, 17- flowmeter, 18- first
Gas-liquid separator, the first condenser of 19-, 20- evaporator, 21- reactor, the second condenser of 22-, the second gas-liquid separator of 23-,
24- gas tank.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
The producing ethylene from dehydration of ethanol actual training device structure of the utility model is as shown in Figure 1, include the first gas being sequentially connected
Liquid/gas separator 18, the first condenser 19, evaporator 20, reactor 21, the second condenser 22, the second gas-liquid separator 23, air storage
Tank 24, whole device environmental Kuznets Curves are positive pressure, using PID automatic instrument(s) system.
The first ball valve 1 is connected on first gas-liquid separator 18；14 He of the first shut-off valve is connected on first condenser 19
Second ball valve 2, outlet end are connected with third ball valve 3；The 4th ball valve 4, the 5th ball valve 5 and the 6th ball are connected on evaporator 20
Valve 6, and the second shut-off valve 15 is additionally provided between evaporator 20 and the first condenser 19；The 7th is provided on second condenser 22
Ball valve 7 and third shut-off valve 16；It is provided with the 8th ball valve 8 on second gas-liquid separator 23, and passes through flowmeter 17 and gas tank
24 are connected；The 9th ball valve 9, the tenth ball valve 10, the 11st ball valve 11, the 12nd ball valve the 12, the 13rd are provided on gas tank 24
Ball valve 13.
It connects and is provided with pressure indicator on the pipeline of the first condenser 19 and evaporator 20, be additionally provided on evaporator 20
Heat indicator；It is also connected with pressure instruction control meter on evaporator 20, temperature instruction control meter is also connected on reactor 21；
Level indicator and pressure indicator are also connected on gas tank 24.
The device uses electric heating system using a full set of stainless steel material, heating.In order to improve versatility, the utility model
Special designing is carried out, whole process uses positive pressure operation, avoids negative-pressure operation security implication that may be present.For device use
PID automatic instrument(s) system maintains alcohol vapour pressure, fixed bed reactors temperature to fluctuate in smaller range, to improve anti-
Answer effect.Student can be grasped at the driving, parking and case of emergency of chemical production process by operation and control to the present apparatus
Reason ability, while the technological abilities such as the preparation of its chemical process, the control of technique tune part can be cultivated.
The operating method of the utility model includes the following steps:
1) it feeds intake
It opens ball valve 04 to feed to ethanol evaporation device, feeding quantity control (cannot add for the 2/3 of evaporator V02 capacity
It is full), ball valve 09, which is opened, by air accumulator V04 is full of water.
2) it heats
Start electric heating, first fixed bed reactors R01 is heated, then evaporator V02 is heated again.Control
The pressure of evaporator V02 is 0.004MP, and fixed bed reactors R01 temperature is 325 DEG C.
3) it feeds
Air accumulator V04 drainage ball valve 13 is first opened, the valve of spinner flowmeter is opened, opens the reactor on evaporator
Inlet valve ball valve 05.
4) control of production process
The flow for observing spinner flowmeter passes through adjusting in evaporator pressure and temperature of reactor with respect under stable case
It is 150ml/min (spinner that the charging ball valve 05 of reactor and the aperture of ethylene storage tank drainage ball valve 13, which maintain product flow,
Meter) and U-shaped pressure pipe pressure difference be 20mm.Whole system is positive pressure, pays attention to the height for observing U-tube liquid level.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. producing ethylene from dehydration of ethanol actual training device, it is characterised in that: including be sequentially connected the first gas-liquid separator, first condensation
Device, evaporator, reactor, the second condenser, the second gas-liquid separator, gas tank, whole device environmental Kuznets Curves are positive pressure, are used
PID automatic instrument(s) system.
2. producing ethylene from dehydration of ethanol actual training device according to claim 1, it is characterised in that: first gas-liquid separator
On be connected with the first ball valve；The first shut-off valve and the second ball valve are connected on first condenser, outlet end is connected with
Three ball valves；The 4th ball valve, the 5th ball valve and the 6th ball valve are connected on the evaporator, and between evaporator and the first condenser
It is additionally provided with the second shut-off valve；The 7th ball valve and third shut-off valve are provided on second condenser；Second gas-liquid point
From being provided with the 8th ball valve on device, and it is connected by flowmeter with gas tank；The 9th ball valve, the tenth are provided on the gas tank
Ball valve, the 11st ball valve, the 12nd ball valve, the 13rd ball valve.
3. producing ethylene from dehydration of ethanol actual training device according to claim 1, it is characterised in that: the first condenser of connection and steaming
It sends out and is provided with pressure indicator on the pipeline of device, be additionally provided with heat indicator on the evaporator.
4. producing ethylene from dehydration of ethanol actual training device according to claim 1, it is characterised in that: be also connected on the evaporator
There is pressure instruction control meter, temperature instruction control meter is also connected on the reactor.
5. producing ethylene from dehydration of ethanol actual training device according to claim 1, it is characterised in that: be also connected on the gas tank
There are level indicator and pressure indicator.
6. producing ethylene from dehydration of ethanol actual training device according to claim 1, it is characterised in that: using a full set of stainless steel
Material, heating use electric heating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820666514.4U CN208308736U (en) | 2018-05-07 | 2018-05-07 | Producing ethylene from dehydration of ethanol actual training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820666514.4U CN208308736U (en) | 2018-05-07 | 2018-05-07 | Producing ethylene from dehydration of ethanol actual training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208308736U true CN208308736U (en) | 2019-01-01 |
Family
ID=64711080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820666514.4U Expired - Fee Related CN208308736U (en) | 2018-05-07 | 2018-05-07 | Producing ethylene from dehydration of ethanol actual training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208308736U (en) |
-
2018
- 2018-05-07 CN CN201820666514.4U patent/CN208308736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210507 |