CN206219511U - A kind of liquid-phase hydrogenatin device - Google Patents
A kind of liquid-phase hydrogenatin device Download PDFInfo
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- CN206219511U CN206219511U CN201621232727.3U CN201621232727U CN206219511U CN 206219511 U CN206219511 U CN 206219511U CN 201621232727 U CN201621232727 U CN 201621232727U CN 206219511 U CN206219511 U CN 206219511U
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Abstract
The utility model discloses a kind of liquid-phase hydrogenatin device, including hydrogen-dissolving device, hydrogenation reactor, high-pressure separator, low pressure separator, aeration tower, the hydrogen-dissolving device and hydrogenation reactor set and are integrated, hydrogen-dissolving device is arranged on the top of hydrogenation reactor, the outlet of hydrogen-dissolving device is the entrance of hydrogenation reactor, the outlet of the hydrogenation reactor is connected with the entrance of high-pressure separator by pipeline, the liquid-phase outlet of the high-pressure separator is connected with the entrance of low pressure separator by pipeline, the gaseous phase outlet of the high-pressure separator is connected with the entrance at the top of aeration tower by pipeline, the waterflood-transmission line of aeration tower is being connected at the 40cm of aeration tower top entry 10 with high-pressure separator gaseous phase outlet with the entrance connecting pipeline of aeration tower.The device has the advantages that good run stability, simple structure, can carry out precise control, can provide reliable data for large-scale industrial application.
Description
Technical field
The utility model is related to a kind of liquid-phase hydrogenatin device, and relate in particular to that a kind of laboratory uses is small-sized or medium-sized
Liquid-phase hydrogenatin experimental rig.
Background technology
Small-sized or medium-sized hydrogenation test apparatus are that technical staff often uses for evaluating catalyst, analoging industrial device
Experimental rig, be engaged in the R＆D institution of hydrogenation using relatively broad.The process CIMS of small test device is simple, treatment
Amount is smaller, is per hour highest 200mL, and hydrogen is recycled, but oil is not circulated, and can typically be only used to catalyst preliminary assessment.In
Type experimental rig process CIMS is complicated, and treating capacity is bigger than normal, is per hour highest 3L, and hydrogen circulation, oil can also be recycled,
Basic data evaluation can be done for refinery.Meanwhile, medium-sized hydrogenation plant wears distillation column system, operates more complicated.These are small-sized
Or medium-sized hydrogenation test apparatus generally all include reactor, high-pressure separator, circulating hydrogen compressor, low pressure separator and gas washing
Tower.
As environmental issue is increasingly paid attention to by society, development and the use of low-sulfur even without sulfur diesel is to work as this life
The trend of clean fuel development in the range of boundary.Hydrogen addition technology is the important means of clear gusoline production, and liquid phase hydrogenation technology is it
In one kind.The many set liquid phase circulations hydrogenation medium-sized testers of domestic each institute's design and construction, have filled up domestic blank,
The device is low with construction and operating cost, and device operating power consumption is low, meets low-sulfur or even without sulfur diesel production technology research and development etc.
Feature.
CN201420608774.8 discloses a kind of novel liquid-phase hydrogenation test apparatus, including hydrogen-dissolving device, hydrogenation reactor,
High-pressure separator, low pressure separator, aeration tower, oil product collecting box, the outlet of the hydrogen-dissolving device and the entrance phase of hydrogenation reactor
Connection, the outlet of the hydrogenation reactor is connected with the entrance of high-pressure separator by pipeline, the liquid of the high-pressure separator
Mutually outlet is connected with the entrance of low pressure separator by pipeline, the gaseous phase outlet of the high-pressure separator and the entrance of aeration tower
It is connected by pipeline, liquid-phase outlet and the oil product of the low pressure separator are collected tank inlet and be connected by pipeline；It is described to add
Hydrogen reactor top sets exhaust outlet, and exhaust outlet is connected with exhaust line.The structure of above-mentioned liquid-phase hydrogenatin device needs to be simplified,
Run stability needs further to improve.
The content of the invention
In view of the shortcomings of the prior art, the utility model provides a kind of liquid-phase hydrogenatin experimental rig.The device has operating
Good stability, simple structure, the advantages of precise control can be carried out, reliable data can be provided for large-scale industrial application.
A kind of hydrogenation test apparatus, including hydrogen-dissolving device, hydrogenation reactor, high-pressure separator, low pressure separator, aeration tower,
The hydrogen-dissolving device and hydrogenation reactor set and are integrated, and hydrogen-dissolving device is arranged on the top of hydrogenation reactor, and the outlet of hydrogen-dissolving device is
The entrance of hydrogenation reactor, the outlet of the hydrogenation reactor is connected with the entrance of high-pressure separator by pipeline, the height
Press separator liquid-phase outlet be connected by pipeline with the entrance of low pressure separator, the gaseous phase outlet of the high-pressure separator and
Entrance at the top of aeration tower is connected by pipeline；The waterflood-transmission line of aeration tower is at aeration tower top entry 10-40cm
It is connected with high-pressure separator gaseous phase outlet with the entrance connecting pipeline of aeration tower（It is described apart from aeration tower top entry 10-
At 40cm be waterflood-transmission line with the entrance connecting pipeline at the top of the gaseous phase outlet and aeration tower of high-pressure separator tie point extremely
The length of aeration tower top entry is 10-40cm）, the pipeline after connection compares 2-3 times of pipeline caliber expansion before connection, described
The top of hydrogen-dissolving device sets exhaust outlet, and exhaust outlet is connected with exhaust line, and exhaust line is connected with gas washing tower side wall.
In the utility model, hydrogen gas lines and raw material oil pipeline are connected with described hydrogen-dissolving device side wall, hydrogen inlet
It is higher than feedstock oil entrance location to set.
In the utility model, described hydrogenation reactor is liquid phase hydrogenation reactor.
In the utility model, the gaseous phase outlet of aeration tower is connected by pipeline with mixed hydrogen tank, with new hydrogen in mixed hydrogen tank
Hydrogen-dissolving device is back to by compressor again after mixing.
In the utility model, described high-pressure separator and low pressure separator is conventional separator, and separator enters
Mouth is arranged on the wall of side.
In the utility model, the low pressure separator top connection compressor, when the insufficient pressure in low pressure separator,
Compressor is automatically turned on to make-up gas in low pressure separator to improve pressure.
Compared with the existing technology, the application has simple structure, the advantages of run stability is high, particularly by hydrogen-dissolving device
The light component that contains is by the pipeline of hydrogen-dissolving device top setting from the side of aeration tower in hydrogen and other feedstock oils without dissolving
Wall introduces aeration tower, the fluctuation that conventional equipment gas with various in-line can be avoided to be brought into aeration tower after mixing, influence
The accuracy of stability and data.The waterflood-transmission line of aeration tower is connected to and goes out apart from aeration tower entrance 5-40cm, and after mixing
Pipeline caliber significantly increase, it is ensured that the uniform mixing of the gas separated by high pressure separator and washings of high-pressure separator, while effectively inhibiting
Pipeline blockage and the problem of gas-liquid long-time gas-liquid mixture solution fluctuation caused by ammonium salt crystallization.
Brief description of the drawings
Fig. 1 is a kind of structural representation of hydrogenation test apparatus of the utility model.
Wherein, 1 is hydrogen-dissolving device；2 is liquid phase hydrogenation reactor；3 is high-pressure separator；4 is low pressure separator；6 is gas washing
Tower；7 is mixed hydrogen tank；5th, 8 is compressor；9 is feedstock oil；10 is exhaust line；11 is new hydrogen, 12 waterflood-transmission lines.
Specific embodiment
Further illustrate a kind of structurally and operationally process of hydrogenation test apparatus of the utility model below in conjunction with the accompanying drawings, but
Following examples do not constitute the limitation to the utility model protection scheme.
A kind of hydrogenation test apparatus as shown in Figure 1, including hydrogen-dissolving device 1, liquid phase hydrogenation reactor 2, high-pressure separator 3,
Low pressure separator 4, aeration tower 6, the hydrogen-dissolving device 1 and hydrogenation reactor 2 set and are integrated, and hydrogen-dissolving device 1 is arranged on hydrogenation reaction
The top of device 2, the outlet of hydrogen-dissolving device 1 is the entrance of hydrogenation reactor 2, and the top of the hydrogen-dissolving device 1 sets exhaust outlet, exhaust outlet
It is connected with exhaust line 10, exhaust line is connected with the side wall of aeration tower 6, hydrogen is connected with the described side wall of hydrogen-dissolving device 1
Pipeline and raw material oil pipeline, the setting of hydrogen inlet is higher than feedstock oil entrance location.The outlet of the liquid phase hydrogenation reactor 2 and
The entrance of high-pressure separator 3 is connected by pipeline, the liquid-phase outlet of the high-pressure separator 3 and the entrance of low pressure separator 4
It is connected by pipeline；The top of the low pressure separator 4 is connected with compressor 5 by pipeline；The gas of the high-pressure separator 3
Mutually outlet is connected with the entrance at the top of aeration tower 6 by pipeline, and the waterflood-transmission line 12 of aeration tower is apart from the entrance of aeration tower 6
It is connected by connecting pipeline with the gaseous phase outlet of high-pressure separator 3 with the top entry of aeration tower 6 at 10-40cm, preferably 10-25cm
It is logical, the pipeline after connection（Tie point is to the entrance of aeration tower 6）Expand 2-3 times, the gas of aeration tower 6 compared to the pipeline caliber before connection
Mutually outlet is connected by pipeline with mixed hydrogen tank 7, in mixed hydrogen tank with the mixing of new hydrogen 11 after returned to molten by compressor 8
Mix with feedstock oil 9 in hydrogen tank.
A kind of operating process of hydrogenation test apparatus of the utility model is as follows：Feedstock oil 11 is mixed with hydrogen in hydrogen-dissolving device 1
After conjunction, by hydrogen solution in feedstock oil, the feedstock oil containing hydrogen enters liquid phase hydrogenation reactor 3, in hydrogen and catalyst
In the presence of reacted, by hydrogen-dissolving device top set exhaust outlet, accomplished continuously or intermittently by gas by exhaust line arrange
Go out to enter aeration tower 6；Reaction effluent enters high-pressure separator 3 by pipeline, and gas-liquid separation is carried out herein；Generation oil is through pipeline
Into low pressure separator 4, isolate lighter hydrocarbons and liquid, when the insufficient pressure in low pressure separator, automatically turn on compressor 5 to
Make-up gas are improving pressure in low pressure separator；The hydrogen-rich gas that high-pressure separator is separated enters aeration tower 6, gas washing through pipeline
The waterflood-transmission line 12 of tower is isolated at preferably 10-25cm apart from the top entry 10-40cm of aeration tower 6 with high-pressure separator 3
Enter aeration tower 6 after gas phase mixing, tie point to the entrance of aeration tower 6 expands 2-3 times, after washing compared to the pipeline caliber before connection
Gas be mixed into mixed hydrogen tank 7 with new hydrogen 11, then through pipeline enter circulating hydrogen compressor 8 be pressurized after, looped back through pipeline
Hydrogen-dissolving device, the liquid through line discharge after washing.
Claims (6)
1. a kind of hydrogenation test apparatus, including hydrogen-dissolving device, hydrogenation reactor, high-pressure separator, low pressure separator, aeration tower, institute
State hydrogen-dissolving device and hydrogenation reactor sets and is integrated, hydrogen-dissolving device is arranged on the top of hydrogenation reactor, the outlet of hydrogen-dissolving device is to add
The entrance of hydrogen reactor, the outlet of the hydrogenation reactor is connected with the entrance of high-pressure separator by pipeline, the high pressure
The liquid-phase outlet of separator is connected with the entrance of low pressure separator by pipeline, the gaseous phase outlet of the high-pressure separator and is washed
The entrance of gas top of tower is connected by pipeline；The waterflood-transmission line of aeration tower at aeration tower top entry 10-40cm and
High-pressure separator gaseous phase outlet is connected with the entrance connecting pipeline of aeration tower, and the pipeline after connection is compared to the line pipe before connection
Footpath expands 2-3 times, and the top of hydrogen-dissolving device setting exhaust outlet, exhaust outlet is connected with exhaust line, exhaust line and gas washing
Tower side wall is connected.
2. device according to claim 1, it is characterised in that：Hydrogen gas lines and raw material are connected with the wall of the hydrogen-dissolving device side
Oil pipeline, the setting of hydrogen inlet is higher than feedstock oil entrance location.
3. device according to claim 1, it is characterised in that：Described hydrogenation reactor is liquid phase hydrogenation reactor.
4. device according to claim 1, it is characterised in that：The gaseous phase outlet of aeration tower is connected by pipeline with mixed hydrogen tank
Connect, hydrogen-dissolving device is back to by compressor again after mixing with new hydrogen in mixed hydrogen tank.
5. device according to claim 1, it is characterised in that：Described high-pressure separator and low pressure separator is routine
Separator, the entrance of separator is arranged on the wall of side.
6. device according to claim 1, it is characterised in that：The low pressure separator top connection compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232727.3U CN206219511U (en) | 2016-11-17 | 2016-11-17 | A kind of liquid-phase hydrogenatin device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232727.3U CN206219511U (en) | 2016-11-17 | 2016-11-17 | A kind of liquid-phase hydrogenatin device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219511U true CN206219511U (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232727.3U Active CN206219511U (en) | 2016-11-17 | 2016-11-17 | A kind of liquid-phase hydrogenatin device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219511U (en) |
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2016
- 2016-11-17 CN CN201621232727.3U patent/CN206219511U/en active Active
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