CN209636177U - A kind of light tar mixes refining wax oil processing unit (plant) - Google Patents
A kind of light tar mixes refining wax oil processing unit (plant) Download PDFInfo
- Publication number
- CN209636177U CN209636177U CN201920110255.1U CN201920110255U CN209636177U CN 209636177 U CN209636177 U CN 209636177U CN 201920110255 U CN201920110255 U CN 201920110255U CN 209636177 U CN209636177 U CN 209636177U
- Authority
- CN
- China
- Prior art keywords
- unit
- valve
- heat exchanger
- entrance
- oil
- Prior art date
- 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.)
- Active
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model relates to a kind of light tars to mix refining wax oil processing unit (plant), comprising: circulating hydrogen heating furnace, the first hydrofining reactor, the second hydrofining reactor, deep hydrofinishing unit, wax oil tank, heat exchange unit, mixer, tar light oil tank, feed material preparation units, oil and gas and water are from unit, hydrocracking reaction unit and fractionation unit.Wax oil and light tar, which pass through mixer in proportion and be mixed into feed material preparation units, carries out removing mechanical admixture, it pressurizes together with carbon disulfide and divides that two-way is delivered to the first hydrofining reactor and the second hydrofining reactor is reacted, after deviating from most of impurity, it enters back into deep hydrofinishing unit depth the low point of oil entered after oil and gas and water is separated from unit after hydrogen through heat exchange unit is added to enter fractionation unit after heat exchange unit exchanges heat again and be fractionated, diesel oil processed, gasoline products；The hydrogenated cracking reaction unit cracking reaction of the recycle oil that fractionation unit fractionates out further increases oil product alkane value.
Description
Technical field
The utility model relates to a kind of processing unit (plant), especially a kind of light tar mixes refining wax oil processing unit (plant).Belong to
Coal tar hydrogenating technical field.
Background technique
In recent years, it is continuously increased in face of domestic fuel demand, oil refining and coal oil enterprise are towards large-scale development.In
In oil refining and coal oil enterprise production process, by-product wax oil also increases year by year, thus wax oil deep processing and recycling be
Industry technical problem urgently to be resolved.
Wax oil is mainly derived from atmospheric and vacuum distillation unit at present, is producing the light fractions products such as kerosene, diesel oil, while double distilled
The wax oil of part passes through raw material or finished product export trade of the lateral line withdrawal function as downstream unit；Coal tar hydrogenating coking plant simultaneously, In
Tower bottom heavy distillat wax tailings during Oil-gas Separation are required because fuel oil quality controls condensation point, and most of wax oil is as tower
Bottoming cycle or finished product export trade.
Wax oil general properties are sulphur, nitrogen and aromatic hydrocarbons, gum level height, and being directly entered catalytic cracking unit handling ease makes to urge
Agent loses activity.The naphtha of wax oil hydrogenation cracking production is good reformer feed, can also directly produce high-quality jet
Fuel and diesel oil distillate, diesel and gasoline ratio are high.But due to one-time investment height, operating cost is also high, and the development speed in China directly compares
It is relatively slow.
It is pre-processed about wax oil hydrogenation, the process of the quality raw materials as following process has numerous patents report.
Wherein CN201410766839 discloses a kind of faulty wax oil hydrogenation pretreatment catalyst, its preparation method and weighted BMO spaces side
Method, catalyst described in this method includes modified aluminium oxide supports, group vib metal component and group VIII metal component.This is practical new
The hydrogenation reaction activity of catalytically cracked material weighted BMO spaces can be improved in type, reduces the severity of catalytic cracking unit operation.
CN104927902A discloses a kind of wax oil hydrogenation processing method, and hydrogen is the hole of nano-scale by average pore size by this method
It is sent into wax oil raw material, obtains hydrogeneous wax oil；The hydrogeneous wax oil is sent into tubular reactor, in liquid-phase hydrogenatin treatment conditions
It is lower to be contacted with the hydrogenation catalyst being seated in tubular reactor.This method with lower hydrogen-oil ratio and at a high space velocity,
Also the sulphur and nitrogen in wax oil can effectively be removed and be saturated part aromatic hydrocarbons, the hydrogen-to-carbon ratio of wax oil is improved, to obtain
Good catalytic cracking unit raw material.
Wax oil can be subjected to weighted BMO spaces although with the above method, as the quality raw materials of downstream unit, still
The method is both needed to the dedicated pretreatment unit of auxiliary construction, and needs secondary operation that can just obtain ideal product, due to special
Pretreatment unit investment is big, and production process is more, causes high production cost, and manufacturing procedure is complicated.
Utility model content
To solve the above-mentioned problems, the utility model aim is: providing a kind of light tar and mixes refining wax oil processing unit (plant).
The processing method that the device of the utility model mixes refining wax oil using light tar, reduces material quality, increases processing capacity,
Improve the Cetane number of diesel fuel oil.Have simultaneously and invests small, the low feature of operating cost.
The technical solution of the utility model includes: a kind of light tar mixes refining wax oil processing unit (plant), comprising: circulating hydrogen heating
Furnace, the second hydrofining reactor, deep hydrofinishing unit, wax oil tank, heat exchange unit, mixes the first hydrofining reactor
Clutch, tar light oil tank, feed material preparation units, oil and gas and water are described from unit, hydrocracking reaction unit and fractionation unit
Wax oil tank and the entrance of tar light oil tank be connected separately with wax oil pipeline and light tar pipeline, wax oil tank and tar light oil
The outlet of tank is connected to mixer entrance, and mixer outlet is connected to feed material preparation units entrance, feed material preparation units
Outlet pass through pump3#It is connected to the 4th heat exchanger one end of heat exchange unit, the other end and the 15th valve one of the 4th heat exchanger
End connection, the 15th valve other end connect with the entrance of the first hydrofining reactor and the second hydrofining reactor respectively
It is logical；After the outlet of first hydrofining reactor and the second hydrofining reactor is in parallel, add respectively with hot hydrogen pipeline and depth
The connection of hydrogen refined unit entrance；The heat exchange unit includes First Heat Exchanger, the second heat exchanger, third heat exchanger, the 4th changes
Hot device and the 5th heat exchanger, the outlet of deep hydrofinishing unit pass sequentially through First Heat Exchanger, the second heat exchanger, third heat exchange
Device, the 4th heat exchanger and the 5th heat exchanger are connected to oil and gas and water from unit entrance；Oil and gas and water is passed sequentially through from unit outlet
Third heat exchanger and First Heat Exchanger are connected to fractionation unit entrance, and fractionation unit outlet connects with hydrocracking reaction unit entrance
It is logical；The 13rd valve and are connected in series between wherein one end of second heat exchanger and wherein one end of the 5th heat exchanger
14 valves, the other end corresponding with them are interconnected；The entrance of the circulating hydrogen heating furnace divides two-way, a-road-through
It crosses the 13rd valve to be connected to circulation hydrogen pipeline, another way passes sequentially through the second heat exchanger, the 5th heat exchanger and the 14th valve
It is connected to circulation hydrogen pipeline；The outlet of circulating hydrogen heating furnace is connected to second valve one end, the other end difference of the second valve
It is connected to by the 16th valve and the 17th valve with the entrance of the first hydrofining reactor and the second hydrofining reactor.
The outlet of the wax oil tank and tar light oil tank passes through pump respectively1#And pump2#It is connected to mixer entrance.
The feed material preparation units are the filter, dehydrator and the first surge tank group by being sequentially connected in series from left to right
At, wherein filter inlet is connected to mixer outlet, the outlet of the first surge tank respectively with pump3#It is connected to injecting pipeline；It is de-
The first valve is provided at the leakage fluid dram of hydrophone.
The entrance of first hydrofining reactor is parallel with third valve and the 4th valve, and the second hydrofinishing is anti-
It answers the entrance of device to be parallel with the 6th valve and the 7th valve, is connected to after third valve and the 6th valve in parallel with the second valve, the
Cold hydrogen tube line is connected with by the 11st valve after four valves and the 7th valve in parallel；First hydrofining reactor and second adds
The outlet of hydrogen finishing reactor is connected separately with the 5th valve and the 8th valve, is divided to two after the 5th valve and the 8th valve in parallel
Road is connected to by the 9th valve with deep hydrofinishing unit entrance all the way, and another way is connected by the tenth valve and hot hydrogen pipeline
It is logical.
The deep hydrofinishing unit be by be sequentially connected in series from left to right third hydrofining reactor, the 4th plus
Hydrogen finishing reactor and the 5th hydrofining reactor composition, wherein third hydrofining reactor entrance and the 9th valve connect
Logical, the outlet of third hydrofining reactor is connected to First Heat Exchanger.
The oil and gas and water is from air cooler, high-pressure separator, the low pressure separation that unit is by being sequentially connected in series from left to right
Device and pump5#Composition, wherein the entrance of the air cooler is connected to the 5th heat exchanger, pump5#It is connected to third heat exchanger, low pressure
The 12nd valve is provided at separator bottom leakage fluid dram.
The hydrocracking reaction unit include hydrocracking reactor, the 7th heat exchanger, second charging heating furnace,
Pump6#With the second surge tank；Second surge tank and pump6#Series connection, pump6#Pass through the 7th heat exchanger and the second charging heating furnace
Connection, second charging heating furnace connects with hydrocracking reactor, hydrocracking reactor pass through again the 7th heat exchanger respectively with
Air cooler entrance of 5th heat exchanger with oil and gas and water from unit is connected to.
The fractionation unit be by be sequentially connected in series from left to right stripper, the 6th heat exchange, pump4#, first charging heating
Furnace and fractionating column composition, wherein the stripper entrance is connected to First Heat Exchanger, fractionating column outlet and hydrocracking reaction
Second surge tank entrance of unit is connected to.
The beneficial effects of the utility model are: the utility model makes full use of existing apparatus, pass through technological transformation, parallel connection two
Platform hydrofining reactor improves hydrofinishing unit processing capacity, reduces the quality requirements to process raw material, and fractionation recycle oil exists
After hydrogenated cracking unit cracking and hydrogenation, oil product yield is improved, reaches diesel product of the production compared with high cetane number.
The utility model investment is small, and operating cost is low, by increasing a small amount of equipment such as hydrofining reactor, wax oil storage tank
And the transformation of pipeline, the ability of processing low-quality raw materials oil can be met, this method mixes the processing of refining wax oil using light tar
Method reduces material quality, increases processing capacity, improves the Cetane number of diesel fuel oil.
Refining wax oil accounting 20% is mixed, 12.5 ton/hours of processing capacity can be increased, 9.9 ten thousand tons of Nian Zengjia processing capacity, raised productivity and improved the quality
9.3 ten thousand tons of fuel oil, 5500 yuan of price (profit is according to 2000 yuan) per ton calculates, and 5.12 ten thousand yuan of the Nian Zengjia output value, profit 1.86
Wan Yuan.
The utility model is described in further details below by specific embodiment, but not as to the utility model
It limits.
Detailed description of the invention
Fig. 1 is the structural schematic diagram and connection schematic diagram of the utility model；
In figure, 1, circulating hydrogen heating furnace；2, the first hydrofining reactor；2-1, third valve；2-2, the 4th valve；
2-3, the 5th valve, the 3, second hydrofining reactor；3-1, the 6th valve；3-2, the 7th valve；3-3, the 8th valve；4,
Deep hydrofinishing unit；4-1, third hydrofining reactor；4-2, the 4th hydrofining reactor；4-3, slender acanthopanax hydrogen essence
Reactor processed；5, wax oil tank；5-1, wax oil pipeline；6, heat exchange unit；6-1, First Heat Exchanger；6-2, the second heat exchanger；6-3,
Third heat exchanger；6-4, the 4th heat exchanger；6-5, the 5th heat exchanger；6-6, the 13rd valve；6-7, the 14th valve；7, it pumps1#；
8, mixer；9, it pumps2#；10, tar light oil tank；10-1, light tar pipeline；11, feed material preparation units；11-1, filtering
Device；11-2, dehydrator；11-3, the first surge tank；11-4, the first valve；11-5, injecting pipeline；12, it pumps3#；13, oil and gas and water
From unit；13-1, air cooler；13-2, high-pressure separator；13-3, low pressure separator；13-4, the 12nd valve；13-5, pump5#；
14, hydrocracking reaction unit；14-1, hydrocracking reactor；14-2, the 7th heat exchanger；14-3, the second charging heating furnace；
14-4, pump6#；14-5, the second surge tank；15, fractionation unit；15-1, stripper；15-2, the 6th heat exchanger；15-3, pump4#；
15-4, the first charging heating furnace；15-5, fractionating column；16, the second valve；16-1, the 16th valve；16-2, the 17th valve；
17, hot hydrogen pipeline；18, the 9th valve；19, the tenth valve；20, the 11st valve；21, cold hydrogen tube line；22, hydrogen pipeline is recycled；
23, the 15th valve.
Specific embodiment
Embodiment 1
As shown in Figure 1, a kind of light tar mixes refining wax oil processing unit (plant), comprising: circulating hydrogen heating furnace 1, first adds
Hydrogen finishing reactor 2, the second hydrofining reactor 3, deep hydrofinishing unit 4, wax oil tank 5, heat exchange unit 6, mixer
8, tar light oil tank 10, feed material preparation units 11, oil and gas and water are from unit 13, hydrocracking reaction unit 14 and fractionation unit
15, the entrance of the wax oil tank 5 and tar light oil tank 10 is connected separately with wax oil pipeline 5-1 and light tar pipeline 10-
1, the outlet of wax oil tank 5 and tar light oil tank 10 is connected to 8 entrance of mixer, the outlet of mixer 8 and feed material preparation units
The connection of 11 entrances, the outlet of feed material preparation units 11 passes through pump3#12 are connected to the 4th one end heat exchanger 6-4 of heat exchange unit 6,
The other end of 4th heat exchanger 6-4 is connected to 23 one end of the 15th valve, and 23 other end of the 15th valve adds hydrogen with first respectively
Finishing reactor 2 is connected to the entrance of the second hydrofining reactor 3；First hydrofining reactor 2 and the second hydrofinishing
After the outlet of reactor 3 is in parallel, it is connected to respectively with hot hydrogen pipeline 17 and 4 entrance of deep hydrofinishing unit；The heat exchange list
Member 6 includes First Heat Exchanger 6-1, the second heat exchanger 6-2, third heat exchanger 6-3, the 4th heat exchanger 6-4 and the 5th heat exchanger 6-
5, the outlet of deep hydrofinishing unit 4 passes sequentially through First Heat Exchanger 6-1, the second heat exchanger 6-2, third heat exchanger 6-3, the 4th
Heat exchanger 6-4 and the 5th heat exchanger 6-5 is connected to oil and gas and water from 13 entrance of unit；Oil and gas and water is successively led to from the outlet of unit 13
It crosses third heat exchanger 6-3 and First Heat Exchanger 6-1 to be connected to 15 entrance of fractionation unit, fractionation unit 15 is exported and is hydrocracked instead
14 entrance of unit is answered to be connected to；It connects between wherein one end and wherein one end of the 5th heat exchanger 6-5 of the second heat exchanger 6-2
It is connected with the 13rd valve 6-6 and the 14th valve 6-7, the other end corresponding with them is interconnected；The recycle hydrogen
The entrance of gas heating furnace 1 divides two-way, is connected to all the way by the 13rd valve 6-6 with circulation hydrogen pipeline 22, another way passes sequentially through
Second heat exchanger 6-2, the 5th heat exchanger 6-5 and the 14th valve 6-7 are connected to circulation hydrogen pipeline 22；Circulating hydrogen heating furnace 1
Outlet be connected to 16 one end of the second valve, the other end of the second valve 16 passes through the 16th valve 16-1 and the 17th valve respectively
Door 16-2 is connected to the entrance of the first hydrofining reactor 2 and the second hydrofining reactor 3.
Embodiment 2
As shown in Figure 1, a kind of light tar mixes refining wax oil processing unit (plant), comprising: circulating hydrogen heating furnace 1, first adds
Hydrogen finishing reactor 2, the second hydrofining reactor 3, deep hydrofinishing unit 4, wax oil tank 5, heat exchange unit 6, mixer
8, tar light oil tank 10, feed material preparation units 11, oil and gas and water are from unit 13, hydrocracking reaction unit 14 and fractionation unit
15, the entrance of the wax oil tank 5 and tar light oil tank 10 is connected separately with wax oil pipeline 5-1 and light tar pipeline 10-
1, the outlet of wax oil tank 5 and tar light oil tank 10 is connected to 8 entrance of mixer, the outlet of mixer 8 and feed material preparation units
The connection of 11 entrances, the outlet of feed material preparation units 11 passes through pump3#12 are connected to the 4th one end heat exchanger 6-4 of heat exchange unit 6,
The other end of 4th heat exchanger 6-4 is connected to 23 one end of the 15th valve, and 23 other end of the 15th valve adds hydrogen with first respectively
Finishing reactor 2 is connected to the entrance of the second hydrofining reactor 3；First hydrofining reactor 2 and the second hydrofinishing
After the outlet of reactor 3 is in parallel, it is connected to respectively with hot hydrogen pipeline 17 and 4 entrance of deep hydrofinishing unit；The heat exchange list
Member 6 includes First Heat Exchanger 6-1, the second heat exchanger 6-2, third heat exchanger 6-3, the 4th heat exchanger 6-4 and the 5th heat exchanger 6-
5, the outlet of deep hydrofinishing unit 4 passes sequentially through First Heat Exchanger 6-1, the second heat exchanger 6-2, third heat exchanger 6-3, the 4th
Heat exchanger 6-4 and the 5th heat exchanger 6-5 is connected to oil and gas and water from 13 entrance of unit；Oil and gas and water is successively led to from the outlet of unit 13
It crosses third heat exchanger 6-3 and First Heat Exchanger 6-1 to be connected to 15 entrance of fractionation unit, fractionation unit 15 is exported and is hydrocracked instead
14 entrance of unit is answered to be connected to；It connects between wherein one end and wherein one end of the 5th heat exchanger 6-5 of the second heat exchanger 6-2
It is connected with the 13rd valve 6-6 and the 14th valve 6-7, the other end corresponding with them is interconnected；The recycle hydrogen
The entrance of gas heating furnace 1 divides two-way, is connected to all the way by the 13rd valve 6-6 with circulation hydrogen pipeline 22, another way passes sequentially through
Second heat exchanger 6-2, the 5th heat exchanger 6-5 and the 14th valve 6-7 are connected to circulation hydrogen pipeline 22；Circulating hydrogen heating furnace 1
Outlet be connected to 16 one end of the second valve, the other end of the second valve 16 passes through the 16th valve 16-1 and the 17th valve respectively
Door 16-2 is connected to the entrance of the first hydrofining reactor 2 and the second hydrofining reactor 3.
The outlet of the wax oil tank 5 and tar light oil tank 10 passes through pump respectively1#7 and pump2#9 connect with 8 entrance of mixer
It is logical.
The feed material preparation units 11 be filter 11-1, dehydrator 11-2 by being sequentially connected in series from left to right and
First surge tank 11-3 composition, wherein filter 11-1 entrance and 8 outlet of mixer, the outlet of the first surge tank 11-3
Respectively with pump3#12 are connected to injecting pipeline 11-5；The first valve 11-4 is provided at the leakage fluid dram of dehydrator 11-2.
The entrance of first hydrofining reactor 2 is parallel with third valve 2-1 and the 4th valve 2-2, and second adds
The entrance of hydrogen finishing reactor 3 is parallel with the 6th valve 3-1 and the 7th valve 3-2, third valve 2-1 and the 6th valve 3-1 simultaneously
Be connected to after connection with the second valve 16, the 4th valve 2-2 and the 7th valve 3-2 it is in parallel after be connected with by the 11st valve 20 it is cold
Hydrogen pipeline 21；The outlet of first hydrofining reactor 2 and the second hydrofining reactor 3 is connected separately with the 5th valve 2-3
With the 8th valve 3-3, divides two-way after the 5th valve 2-3 and the 8th valve 3-3 parallel connection, pass through the 9th valve 18 and depth all the way
The connection of 4 entrance of hydrofinishing unit, another way are connected to by the tenth valve 19 with hot hydrogen pipeline 17.
The deep hydrofinishing unit 4 be by be sequentially connected in series from left to right third hydrofining reactor 4-1,
4th hydrofining reactor 4-2 and the 5th hydrofining reactor 4-3 composition, wherein third hydrofining reactor 4-1 enters
Mouth is connected to the 9th valve 18, and the outlet third hydrofining reactor 4-1 is connected to First Heat Exchanger 6-1.
The oil and gas and water is from air cooler 13-1, the high-pressure separator 13- that unit 13 is by being sequentially connected in series from left to right
2, low pressure separator 13-3 and pump5#13-5 composition, wherein the entrance of the air cooler 13-1 is connected to the 5th heat exchanger 6-5,
Pump5#13-5 is connected to third heat exchanger 6-3, is provided with the 12nd valve 13-4 at the leakage fluid dram of the bottom low pressure separator 13-3.
The hydrocracking reaction unit 14 include hydrocracking reactor 14-1, the 7th heat exchanger 14-2, second into
Expect heating furnace 14-3, pump6#14-4 and the second surge tank 14-5；The second surge tank 14-5 and pump6#14-4 series connection, pump6#
14-4 is connected to by the 7th heat exchanger 14-2 with the second charging heating furnace 14-3, and second feeds heating furnace 14-3 and be hydrocracked anti-
Answer device 14-1 connect, hydrocracking reactor 14-1 pass through again the 7th heat exchanger 14-2 respectively with the 5th heat exchanger 6-5 and oil gas
The air cooler 13-1 entrance of water separative unit 13 is connected to.
The fractionation unit 15 is stripper 15-1, the 6th heat exchange 15-2, pump by being sequentially connected in series from left to right4#15-
3, the first charging heating furnace 15-4 and fractionating column 15-5 composition, wherein the stripper 15-1 entrance and First Heat Exchanger 6-
1 connection, the outlet fractionating column 15-5 are connected to the second surge tank 14-5 entrance of hydrocracking reaction unit 14.
A kind of light tar mixes refining wax oil processing method: wax oil passes through mixer 8 with light tar in proportion to carry out
Mixing carries out removing mechanical admixture into filter 11-1, the dehydrator 11-2 of feed material preparation units after mixing, mixes
After oil enters back into the first surge tank 11-3, with the carbon disulfide that is injected in injecting pipeline together through pumping3#12 pressurizations divide two-way to convey
It is reacted to the first hydrofining reactor 2 and the second hydrofining reactor 3, tentatively plus hydrogen deviates from most of nitrogen, thia
After matter, deep hydrofinishing unit 4 is entered back into, it is anti-continuously to pass sequentially through third hydrofining reactor 4-1, the 4th hydrofinishing
Device 4-2 and the 5th hydrofining reactor 4-3 is answered to carry out deep hydrogenation, reaction product enters oil gas after the heat exchange of heat exchange unit 6
Water separative unit 13 carries out low point oil of the oil and gas and water from after and is divided after the heat exchange of heat exchange unit 6 into fractionation unit 15 again
It evaporates, produces diesel oil, gasoline products；Meanwhile hydrogenated 14 cracking of cracking reaction unit of recycle oil that fractionation unit 15 fractionates out is anti-
Hydrogen should be added, further increase oil product alkane value, crackate enter oil and gas and water from unit 13 carry out further oil and gas and water from.
The wax oil and light tar be in proportion: mixing refining wax oil accounting is mass ratio 20%.
Wherein, cold hydrogen tube line for the first hydrofining reactor bed temperature control in parallel and is adjusted, while tight
It can be used for reactor cooling, guard catalyst during emergency stop vehicle.Hot hydrogen pipeline is for the reaction outflow of the first hydrofining reactor
The control of object temperature and adjusting, to meet the second hydrofining reactor inlet temperature.Recycle hydrogen pipeline: recycle hydrogen mainly will reaction
The hydrogen that product progress high-pressure separator is isolated is used as plus hydrogen hydrogen source recycles.Recycle hydrogen heats stove heating through circulating hydrogen
Enter afterwards and respectively enters in first the second hydrofining reactor of hydrofining reactor.Heat exchanger effect: it exchanges heat from left to right
Device is respectively First Heat Exchanger, the second heat exchanger, third heat exchanger, the 4th heat exchanger, the 5th heat exchanger；Wherein First Heat Exchanger
It is low point of oil-reaction effluent heat exchange with third heat exchanger, the second heat exchanger and the 5th heat exchanger are recycle hydrogen-reaction effluent
Heat exchange, the 4th heat exchanger are feedstock oil-reaction effluent heat exchange.
The well-known components and common structure of component and the structure category industry that the present embodiment does not describe in detail or common hand
Section, does not describe one by one here.
Claims (8)
1. a kind of light tar mixes refining wax oil processing unit (plant), it is characterized in that: including: circulating hydrogen heating furnace (1), first plus hydrogen
Finishing reactor (2), the second hydrofining reactor (3), deep hydrofinishing unit (4), wax oil tank (5), heat exchange unit
(6), mixer (8), tar light oil tank (10), feed material preparation units (11), oil and gas and water from unit (13), be hydrocracked it is anti-
Answer unit (14) and fractionation unit (15), the entrance of the wax oil tank (5) and tar light oil tank (10) is connected separately with wax oil
Pipeline (5-1) and light tar pipeline (10-1), the outlet of wax oil tank (5) and tar light oil tank (10) with mixer (8)
Entrance connection, mixer (8) outlet are connected to feed material preparation units (11) entrance, and the outlet of feed material preparation units (11) is logical
Cross pump3#(12) it is connected to the 4th one end heat exchanger (6-4) of heat exchange unit (6), the other end and the tenth of the 4th heat exchanger (6-4)
The connection of five valves (23) one end, the 15th valve (23) other end add hydrogen with the first hydrofining reactor (2) and second respectively
The entrance of finishing reactor (3) is connected to；The outlet of first hydrofining reactor (2) and the second hydrofining reactor (3) is simultaneously
After connection, it is connected to respectively with hot hydrogen pipeline (17) and deep hydrofinishing unit (4) entrance；The heat exchange unit (6) includes the
One heat exchanger (6-1), the second heat exchanger (6-2), third heat exchanger (6-3), the 4th heat exchanger (6-4) and the 5th heat exchanger (6-
5), deep hydrofinishing unit (4) outlet passes sequentially through First Heat Exchanger (6-1), the second heat exchanger (6-2), third heat exchanger
(6-3), the 4th heat exchanger (6-4) and the 5th heat exchanger (6-5) are connected to oil and gas and water from unit (13) entrance；Oil and gas and water from
Unit (13) outlet passes sequentially through third heat exchanger (6-3) and First Heat Exchanger (6-1) and is connected to fractionation unit (15) entrance, point
Unit (15) outlet is evaporated to be connected to hydrocracking reaction unit (14) entrance；Wherein one end of second heat exchanger (6-2) with
It is connected in series with the 13rd valve (6-6) and the 14th valve (6-7) between wherein one end of 5th heat exchanger (6-5), with it
The corresponding other end be interconnected；The entrance of the circulating hydrogen heating furnace (1) divides two-way, passes through the 13rd valve all the way
Door (6-6) is connected to hydrogen pipeline (22) are recycled, and another way passes sequentially through the second heat exchanger (6-2), the 5th heat exchanger (6-5) and the
14 valves (6-7) are connected to circulation hydrogen pipeline (22)；The outlet and the second valve (16) one end of circulating hydrogen heating furnace (1) connect
Logical, the other end of the second valve (16) passes through the 16th valve (16-1) and the 17th valve (16-2) and first plus hydrogen essence respectively
Reactor (2) processed is connected to the entrance of the second hydrofining reactor (3).
2. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: the wax oil tank
(5) and the outlet of tar light oil tank (10) passes through pump respectively1#(7) it and pumps2#(9) it is connected to mixer (8) entrance.
3. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: the raw material is pre-
Processing unit (11) is the filter (11-1), dehydrator (11-2) and the first surge tank (11-3) by being sequentially connected in series from left to right
Composition, wherein filter (11-1) entrance and mixer (8) outlet, the outlet of the first surge tank (11-3) respectively with pump3#
(12) it is connected to injecting pipeline (11-5)；The first valve (11-4) is provided at the leakage fluid dram of dehydrator (11-2).
4. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: described first adds
The entrance of hydrogen finishing reactor (2) is parallel with third valve (2-1) and the 4th valve (2-2), the second hydrofining reactor (3)
Entrance be parallel with the 6th valve (3-1) and the 7th valve (3-2), third valve (2-1) and the 6th valve (3-1) it is in parallel after with
It is connected with after the connection of 15th valve (23), the 4th valve (2-2) and the parallel connection of the 7th valve (3-2) by the 11st valve (20)
Cold hydrogen tube line (21)；The outlet of first hydrofining reactor (2) and the second hydrofining reactor (3) is connected separately with the 5th
Valve (2-3) and the 8th valve (3-3) divide two-way after the 5th valve (2-3) and the 8th valve (3-3) are in parallel, all the way by the
Nine valves (18) are connected to deep hydrofinishing unit (4) entrance, and another way passes through the tenth valve (19) and hot hydrogen pipeline (17)
Connection.
5. a kind of light tar according to claim 4 mixes refining wax oil processing unit (plant), it is characterized in that: the depth adds
Hydrogen refined unit (4) is third hydrofining reactor (4-1), the 4th hydrofining reactor by being sequentially connected in series from left to right
(4-2) and the 5th hydrofining reactor (4-3) composition, wherein third hydrofining reactor (4-1) entrance and the 9th valve
(18) it is connected to, third hydrofining reactor (4-1) outlet is connected to First Heat Exchanger (6-1).
6. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: the oil gas water
Separative unit (13) is air cooler (13-1), the high-pressure separator (13-2), low pressure separator by being sequentially connected in series from left to right
(13-3) and pump5#(13-5) composition, wherein the entrance of the air cooler (13-1) is connected to the 5th heat exchanger (6-5), pump5#
(13-5) is connected to third heat exchanger (6-3), is provided with the 12nd valve (13- at the leakage fluid dram of the bottom low pressure separator (13-3)
4)。
7. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: described plus hydrogen is split
Change reaction member (14) include hydrocracking reactor (14-1), the 7th heat exchanger (14-2), second charging heating furnace (14-3),
Pump6#(14-4) and the second surge tank (14-5)；Second surge tank (14-5) and pump6#(14-4) series connection, pump6#(14-4)
It is connected to by the 7th heat exchanger (14-2) with the second charging heating furnace (14-3), second feeds heating furnace (14-3) and be hydrocracked
Reactor (14-1) series connection, hydrocracking reactor (14-1) again by the 7th heat exchanger (14-2) respectively with the 5th heat exchanger
Air cooler (13-1) entrance of (6-5) with oil and gas and water from unit (13) is connected to.
8. a kind of light tar according to claim 1 mixes refining wax oil processing unit (plant), it is characterized in that: the fractionation list
First (15) be by be sequentially connected in series from left to right stripper (15-1), the 6th heat exchange (15-2), pump 4# (15-3), the first charging plus
Hot stove (15-4) and fractionating column (15-5) composition, wherein stripper (15-1) entrance and First Heat Exchanger (6-1) is even
Logical, fractionating column (15-5) outlet is connected to the second surge tank (14-5) entrance of hydrocracking reaction unit (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110255.1U CN209636177U (en) | 2019-01-23 | 2019-01-23 | A kind of light tar mixes refining wax oil processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920110255.1U CN209636177U (en) | 2019-01-23 | 2019-01-23 | A kind of light tar mixes refining wax oil processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636177U true CN209636177U (en) | 2019-11-15 |
Family
ID=68478858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920110255.1U Active CN209636177U (en) | 2019-01-23 | 2019-01-23 | A kind of light tar mixes refining wax oil processing unit (plant) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209636177U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536205A (en) * | 2019-01-23 | 2019-03-29 | 陕西东鑫垣化工有限责任公司 | A kind of light tar mixes refining wax oil processing unit (plant) and method |
-
2019
- 2019-01-23 CN CN201920110255.1U patent/CN209636177U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109536205A (en) * | 2019-01-23 | 2019-03-29 | 陕西东鑫垣化工有限责任公司 | A kind of light tar mixes refining wax oil processing unit (plant) and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101638588B (en) | Combined process for delayed coking and hydrotreating | |
| CN103059972B (en) | Combined hydrogenation method of producing chemical materials | |
| CN101760233B (en) | Method for hydrocracking of coked wax oil | |
| CN102399586B (en) | A mid-pressure hydrocracking method for producing jet fuel | |
| CN107177378B (en) | The supercritical extract of heavy oil feedstock and the combined system of floating bed hydrogenation and method | |
| CN105462610B (en) | A kind of anthracene oil hydrogenation method | |
| CN103013559A (en) | Hydrocracking method for selective increasing of aviation kerosene yield | |
| CN209636177U (en) | A kind of light tar mixes refining wax oil processing unit (plant) | |
| CN105713647B (en) | A kind of utilization coal tar maximization prepares the method and device of carbolic oil and diesel oil | |
| CN115537231B (en) | Method for realizing oil reduction and oil increase by changing material flow direction | |
| CN109536205A (en) | A kind of light tar mixes refining wax oil processing unit (plant) and method | |
| CN102051214A (en) | Coked wax oil thermal cracking combined process | |
| CN105505462A (en) | Catalytic cracking method of heavy oil and device thereof | |
| CN1323130C (en) | Hydro-delayed coking method | |
| CN1195822C (en) | Process for viscosity breaking of deoiled asphalt | |
| CN212610448U (en) | Device for producing gasoline by crude oil two-stage hydrogenation | |
| CN1205304C (en) | Method for raising production efficiency of delayed coking liquid product | |
| CN205662494U (en) | Vrds processing system | |
| CN111378491B (en) | Inferior heavy oil hydrotreating process | |
| CN106854474A (en) | A kind of new coal tar hydrogenating cracker and preparation method thereof | |
| CN104987884B (en) | A kind of hydrogenation plant and technique producing light-weight fuel oil | |
| CN221319891U (en) | Process device for processing ethylene tar by adopting slurry bed hydrogenation technology | |
| CN102311796B (en) | Suspension bed hydrogenation process method | |
| CN1465658A (en) | Method for simutaneously raising treatment quantity and diesel recovery ratio of delay coking apparatus | |
| CN1238470C (en) | Improved delayed coking process for increasing yield of gasoline and diesel oil |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |