CN206768030U - Liquid phase circulation hydrogenation plant - Google Patents

Liquid phase circulation hydrogenation plant Download PDF

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Publication number
CN206768030U
CN206768030U CN201720030363.9U CN201720030363U CN206768030U CN 206768030 U CN206768030 U CN 206768030U CN 201720030363 U CN201720030363 U CN 201720030363U CN 206768030 U CN206768030 U CN 206768030U
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pipeline
entrance
hydrogen
pressure separator
hydrogenation
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CN201720030363.9U
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王健
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China Petroleum and Chemical Corp
Sinopec Fushun Research Institute of Petroleum and Petrochemicals
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China Petroleum and Chemical Corp
Sinopec Fushun Research Institute of Petroleum and Petrochemicals
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  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The utility model discloses a kind of liquid phase circulation hydrogenation plant, including hydrogen-dissolving device, water washing tank, hydrogenation reactor, high-pressure separator, low pressure separator, aeration tower;The top of the hydrogen-dissolving device is connected with the entrance on washing pot sidewall by pipeline, the outlet at bottom of hydrogen-dissolving device is connected with the entrance of hydrogenation reactor by pipeline, 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 combiner with the feed(raw material)inlet of molten hydrogen tank by pipeline, the gaseous phase outlet set at the top of water washing tank is connected by pipeline with the gaseous phase outlet of high-pressure separator with the entrance at the top of aeration tower by pipeline, and washing pot bottom sets liquid-phase outlet.The experimental rig has the advantages that long operational time, smooth running, test data accurately and reliably, can provide technical support for catalyst performance evaluation, technical study, technology exploitation and liquid technology large-scale industrial application.

Description

Liquid phase circulation hydrogenation plant
Technical field
A kind of liquid phase circulation hydrogenation plant is the utility model is related to, relates in particular to a kind of experiment in petroleum refining field The small-sized or medium-sized hydrogenation plant that room uses.
Background technology
Oil is non-renewable energy resources, and China is increasing to petroleum import dependency degree, therefore no matter from the energy Effectively considered using still national security, be required for developing the technology of maximum production oils, and require to produce During as far as possible reduce energy consumption.Environmental regulation is increasingly strict in world wide, and to oil product, the especially quality of automotive fuel will More and more higher is sought, wherein the limitation for sulfur content is bigger, it is desirable to produce super-low sulfur or without sulphur motor for automobile fuel.It is hydrogenated with skill Art plays a significant role during light materialization of heavy oil and light-end products quality upgrading, is the most important hand for producing cleaning products Section.In hydrogen addition technology, liquid phase circulation hydrogen addition technology is clear gusoline production and reduces the new technology that energy consumption is combined, that is, uses Recycle oil, the requirement of production clear gusoline is reached using the hydrogen dissolved in oil directly reaction, and without using circulation hydrogen compressed Comprehensive energy consumption can be greatly lowered in machine.
The core of hydrogen addition technology includes hydrogenation catalyst, hydrogenation technique and hydrogenation plant etc..Wherein hydrogenation catalyst development Need to be typically necessary by multiple processes, performance evaluations such as laboratory research, physico-chemical property analysis and characterization and performance evaluations Carried out on lab scale or pilot scale hydrogenation plant;Hydrogenation technique is studied to be typically necessary in lab scale, pilot scale with novel technique exploitation Carried out on hydrogenation plant.That is raw catelyst, novel technique have to pass through small before large-scale industrial application is carried out Examination and pilot scale research, i.e. experimental rig serve very crucial effect in hydrogen addition technology research and development.Many and oil, change at present The related R&D institution of work research and universities and colleges etc. are all including reaction using hydrogenation plant, these device overwhelming majority Device, high-pressure separator, circulating hydrogen compressor, low pressure separator and aeration tower etc..Liquid phase circulation hydrogen addition technology R&D process is same Need experimental rig.
CN201420608774.8 discloses a kind of novel liquid-phase hydrogenation plant, including hydrogen-dissolving device, hydrogenation reactor, high pressure point From device, low pressure separator, aeration tower, oil product collecting box, the outlet of the hydrogen-dissolving device is connected with the entrance of hydrogenation reactor, institute The outlet of hydrogenation reactor is stated with the entrance of high-pressure separator by pipeline to be connected, the liquid-phase outlet of the high-pressure separator and The entrance of low pressure separator is connected by pipeline, and the gaseous phase outlet of the high-pressure separator and the entrance of aeration tower pass through pipeline It is connected, liquid-phase outlet and the oil product of the low pressure separator are collected tank inlet and be connected by pipeline;The hydrogenation reactor Top sets exhaust outlet, and exhaust outlet is connected with exhaust line.CN201420608729.2 discloses a kind of liquid-phase hydrogenatin device, bag Include hydrogen-dissolving device, hydrogenation reactor, high-pressure separator, low pressure separator, aeration tower, the outlet of the hydrogen-dissolving device and hydrogenation reactor Entrance be connected, the outlet of the hydrogenation reactor is connected with the entrance of high-pressure separator by pipeline, the high pressure point It is connected from the liquid-phase outlet of device with the entrance of low pressure separator by pipeline, the gaseous phase outlet and gas washing of the high-pressure separator The entrance of tower is connected by pipeline;Exhaust outlet is set at the top of the hydrogenation reactor, and exhaust outlet is connected with exhaust line.On The needs such as operational stability, the accuracy of liquid-phase hydrogenatin device are stated 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 circulation hydrogenation plant.The experimental rig has Long operational time, smooth running, test data accurately and reliably the advantages that, can be catalyst performance evaluation, technical study, technique Technological development and liquid technology large-scale industrial application provide technical support.
A kind of liquid phase circulation hydrogenation plant, including the separation of hydrogen-dissolving device, water washing tank, hydrogenation reactor, high-pressure separator, low pressure Device, aeration tower;The top of the hydrogen-dissolving device is connected with the entrance on washing pot sidewall by pipeline, the outlet at bottom of hydrogen-dissolving device It is connected with the entrance of hydrogenation reactor by pipeline, the outlet of the hydrogenation reactor and the entrance of high-pressure separator pass through pipe Line is connected, and the liquid-phase outlet of the high-pressure separator leads to the entrance of low pressure separator combiner and the feed(raw material)inlet of molten hydrogen tank Cross pipeline to be connected, the gaseous phase outlet and the gaseous phase outlet of high-pressure separator set at the top of water washing tank is by pipeline with gas washing tower top The entrance in portion is connected by pipeline, and washing pot bottom sets liquid-phase outlet.
In the utility model, hydrogen gas lines and raw material oil pipeline are connected with described hydrogen-dissolving device side wall, hydrogen gas lines are same Link position of the link position of hydrogen-dissolving device less than raw material oil pipeline with hydrogen-dissolving device.
In the utility model, connecting pipeline is connected with water washing tank side wall entrance at an angle at the top of described hydrogen-dissolving device, Preferably 30 degree ~ 80 degree of angle of inclination(On the basis of horizontal plane), pipeline exterior need to be incubated or heat.
In the utility model, in the connecting pipeline of water washing tank gaseous phase outlet and the connecting pipeline of high-pressure separator gaseous phase outlet Control valve is set to be used to control water washing tank gaseous stream and high-pressure separator gaseous stream respectively.
In the utility model, described hydrogenation reactor is liquid phase hydrogenation reactor, and liquid phase hydrogenation reactor can be set For one or more.
In the utility model, described high-pressure separator is conventional separator, and the entrance of separator is arranged in side wall.
In the utility model, described aeration tower is conventional packed tower, and the entrance of aeration tower is arranged on top.
In the utility model, described low pressure separator is conventional separator, and entrance is arranged in side wall.
Compared with the existing technology, the application has long operational time, the advantages that operating steadily, after water washing tank May insure that gas circuit pipeline is unimpeded, in the absence of block the problem of, it is ensured that the quality of fluid product.
In the utility model, the top of described water washing tank is connected with control valve by pipeline, described water washing tank it is upper Portion is connected with washings by pipeline.Lighter hydrocarbons are cooled to liquid, H in described water washing tank2S、NH3Generate at a lower temperature Ammonium salt is dissolved in the water, and these mixing liquids are discharged by pipeline.
Brief description of the drawings
Fig. 1 is a kind of concrete structure schematic diagram of hydrogenation plant of the utility model.Wherein:1- feedstock oils, 2- hydrogen, 3- are molten Hydrogen device, 4- pipelines, 5- water washing tanks, 6- washings, 7- water washing tank liquid emissions, 8- hydrogenation reactors, 9- high-pressure separators, 10- circulating pumps, 11- aeration towers, 12- washings, 13- sewage, 14- discharge gas, 15- low pressure separators, 16- low-pressure gases, 17- Fluid product, 18- hydrogen-dissolving device pressure-control valves, 19- high-pressure separator pressure-control valves.
Embodiment
Further illustrate a kind of structurally and operationally mistake of liquid phase circulation hydrogenation plant of the utility model below in conjunction with the accompanying drawings Journey, but following examples do not form the limitation to the utility model protection scheme.
A kind of liquid phase circulation hydrogenation plant as shown in Figure 1, including hydrogen-dissolving device 3, water washing tank 5, hydrogenation reactor 8, high pressure Separator 9, aeration tower 11, low pressure separator 15.The entrance of the liquid outlet and reactor 8 of the hydrogen-dissolving device 3 is connected by pipeline Connecing, the gas vent of hydrogen-dissolving device 3 is connected with the middle and lower part side wall of water washing tank 5 by pipeline 4, preferably 30 degree of pipeline angle of inclination ~ 80 degree(On the basis of horizontal plane), have insulation or heating facility outside described pipeline 4, connected in the described side wall of hydrogen-dissolving device 3 There are the pipeline of hydrogen 2 and the pipeline of feedstock oil 1, the position of the import of hydrogen 2 is less than the entrance location of feedstock oil 1;The described bottom of water washing tank 5 There is floss hole, the top of water washing tank 5 is connected with washings by pipeline, and the top of water washing tank 5 is connected with pressure-control valve 18 by pipeline Connect, pressure-control valve 18 is connected with the top of aeration tower 11 by pipeline;The outlet of the liquid phase hydrogenation reactor 8 and high pressure point Entrance from device 9 is connected by pipeline;The liquid-phase outlet of the high-pressure separator 9 and the entrance of low pressure separator 15 pass through pipe Line is connected, and the liquid-phase outlet of high-pressure separator 9 is connected with circulating pump 10 by pipeline, the gas vent of high-pressure separator 9 with Pressure-control valve 19 is connected by pipeline, and pressure-control valve 19 is connected with the top of aeration tower 11 by pipeline;Circulating pump 10 goes out Mouth is connected with the pipeline of feedstock oil 1.
A kind of operating process of hydrogenation plant of the utility model is as follows:Feedstock oil 1 mixes with recycle oil first, then mixes After oil mixes with hydrogen 2 in hydrogen-dissolving device 3, by hydrogen solution in feedstock oil, the feedstock oil containing hydrogen enters hydrogenation reaction Device 8, hydrogenation reaction is carried out in the presence of hydrogen and catalyst, reaction effluent enters high-pressure separator 9 by pipeline, herein Carry out gas-liquid separation;The gas at the top of hydrogen-dissolving device 3 enters water washing tank 5, the liquid obtained by washing in a certain temperature conditions Body 7 is discharged through pipeline, by the gas that washing obtains through pressure-control valve 18, the isolated top gas of high-pressure separator 9 Through pressure-control valve 19, the gas after pressure-control valve 18 enters after being mixed with the gas after pressure-control valve 19 by pipeline to be washed Gas tower 11, gas 14 and liquid 13 after washing are discharged through pipeline;The isolated generation oil part of high-pressure separator 9 is through pipe Line is circulated into oil circulating pump 10, is generated oily another part and is entered low pressure separator 15, the isolated gas of low pressure separator Body product 16 and fluid product 17.

Claims (9)

  1. A kind of 1. liquid phase circulation hydrogenation plant, it is characterised in that:Including hydrogen-dissolving device, water washing tank, hydrogenation reactor, high pressure separation Device, low pressure separator, aeration tower;The top of the hydrogen-dissolving device is connected with the entrance on washing pot sidewall by pipeline, molten hydrogen The outlet at bottom of device is connected with the entrance of hydrogenation reactor by pipeline, the outlet of the hydrogenation reactor and high-pressure separator Entrance be connected by pipeline, the entrance and molten hydrogen tank of the liquid-phase outlet of the high-pressure separator with low pressure separator combiner Feed(raw material)inlet be connected by pipeline, the gaseous phase outlet and the gaseous phase outlet of high-pressure separator set at the top of water washing tank passes through pipe Line is connected with the entrance at the top of aeration tower by pipeline, and washing pot bottom sets liquid-phase outlet.
  2. 2. hydrogenation plant according to claim 1, it is characterised in that:Hydrogen gas lines are connected with described hydrogen-dissolving device side wall With raw material oil pipeline, hydrogen gas lines are less than link position of the raw material oil pipeline with hydrogen-dissolving device with the link position of hydrogen-dissolving device.
  3. 3. hydrogenation plant according to claim 1, it is characterised in that:Connecting pipeline is in certain angle at the top of described hydrogen-dissolving device Degree is connected with water washing tank side wall entrance, and pipeline exterior need to be incubated or heat.
  4. 4. hydrogenation plant according to claim 3, it is characterised in that:Angle of inclination is 30 degree ~ 80 on the basis of horizontal plane Degree.
  5. 5. hydrogenation plant according to claim 1, it is characterised in that:The connecting pipeline and high pressure of water washing tank gaseous phase outlet point It is used to control water washing tank gaseous stream and high-pressure separator gas phase from control valve is set in the connecting pipeline of device gaseous phase outlet respectively Logistics.
  6. 6. hydrogenation plant according to claim 1, it is characterised in that:Described hydrogenation reactor reacts for liquid-phase hydrogenatin Device, liquid phase hydrogenation reactor are arranged to one or more.
  7. 7. hydrogenation plant according to claim 1, it is characterised in that:Described high-pressure separator is conventional separator, The entrance of separator is arranged in side wall.
  8. 8. hydrogenation plant according to claim 1, it is characterised in that:Described aeration tower is conventional packed tower, gas washing The entrance of tower is arranged on top.
  9. 9. hydrogenation plant according to claim 1, it is characterised in that:Described low pressure separator is conventional separator, Entrance is arranged in side wall.
CN201720030363.9U 2017-01-12 2017-01-12 Liquid phase circulation hydrogenation plant Active CN206768030U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720030363.9U CN206768030U (en) 2017-01-12 2017-01-12 Liquid phase circulation hydrogenation plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720030363.9U CN206768030U (en) 2017-01-12 2017-01-12 Liquid phase circulation hydrogenation plant

Publications (1)

Publication Number Publication Date
CN206768030U true CN206768030U (en) 2017-12-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720030363.9U Active CN206768030U (en) 2017-01-12 2017-01-12 Liquid phase circulation hydrogenation plant

Country Status (1)

Country Link
CN (1) CN206768030U (en)

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