CN207581743U - A kind of diesel oxidation desulfurizing device - Google Patents
A kind of diesel oxidation desulfurizing device Download PDFInfo
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- CN207581743U CN207581743U CN201721553455.1U CN201721553455U CN207581743U CN 207581743 U CN207581743 U CN 207581743U CN 201721553455 U CN201721553455 U CN 201721553455U CN 207581743 U CN207581743 U CN 207581743U
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- catalyst
- extractant
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Abstract
The utility model discloses a kind of diesel oxidation desulfurizing devices, including diesel feed pump and catalyst/extractant storage tank, diesel feed pump is connected by diesel feeding pipe road with heater, catalyst/extractant storage tank is connected by catalyst/extractant conveyance conduit with heater, heater is connected with the inlet of ultrasonic reaction kettle, air compressor is connected with the air inlet of ultrasonic reaction kettle, agitating device is provided in ultrasonic reaction kettle, the liquid outlet of knockout drum lower part is connected with the inlet of water scrubber lower part, knockout drum bottom is provided with catalyst/extractant outlet, liquid outlet in the middle part of water scrubber is connected with being adsorbed by drying the inlet of kettle lower part, the liquid outlet for being adsorbed by drying kettle top is connected with the inlet of filter, the liquid outlet of filter is connected with finished product oil tank.The utility model is not related to high temperature and pressure in oxidation sweetening process, and mild condition can significantly reduce energy consumption.The merging of oxidation-extraction process is carried out at the same time, and simplifies technique.
Description
Technical field
The utility model belongs to petrochemical equipment technical field, and in particular to a kind of diesel oxidation desulfurizing device.
Background technology
The oxysulfide SO generated after sulphides burn in diesel oilXNot only directly result in acid rain, greenhouse effects, ozone
The environmental problems such as damage layer, and to NOXThere is an apparent facilitation with particulate matter.In addition SOXEngine can also be corroded
Combustion chamber and exhaust system, engine power is caused to decline, fuel consumption increases, and easily makes in Vehicular exhaust converter
Catalyst poisoning, influence exhaust gas processing device performance play.
As people are to the pay attention to day by day of environmental issue, each major country of the world and area have been promulgated more stringent in succession
Diesel oil sulfur-bearing standard.China《Derv fuel》（GB19147-2009）Standard（III standard of abbreviation state）Diesel oil sulfur content is limited in
350ppm is hereinafter, subsequent IV standard of GB19147-2013 states is then reduced to 50ppm.And the National V emission standard that will implement before 2018
Diesel oil sulfur content is further reduced to below 10ppm.Sulfur content in environmental law regulation limitation diesel oil is lower and lower, but
Since domestic crude output has been unable to meet the market demand, the high middle-eastern crude of imported crude oil particularly sulfur content is largely processed
It uses, this just proposes increasingly higher demands to Diesel fuel desulfurization technologies.China consumes big country as diesel oil, and exploitation is energy-efficient
Diesel oil desulphurization technology it is imperative.
Sulfide in diesel oil mainly exists in the form of thioether RSR and thiophene, also containing minimal amount of Macromolecule mercaptan
RSH.Wherein thiophene accounts for about more than the 85% of diesel oil total sulfur, and benzo and dibenzothiophenes account for more than the 70% of thiophene-based.These
Polycyclic thiophene stability is extremely strong.The key of Diesel fuel desulfurization technologies is removal thiophene.
Diesel fuel desulfurization technologies need to use catalyst mainly based on hydrodesulfurization technology under high-temperature and high-pressure conditions at present
It carries out, it is H to add the organic sulfur conversion after hydrogen in diesel oil2S.The technology is of high cost there are hydrogen, and investment is big, operating cost is high and operation
The shortcomings that condition is harsh, and the more difficult removing of dibenzothiophenes class organic sulfur that steric hindrance is big.Non-hydrodesulfurizationof of Diesel Fuel Refining
It is main to include biology and bacterial desulfurization, absorption desulfurization, oxidation sweetening etc..Wherein oxidative desulfurization techniques are with organic sulfur compound oxygen
A kind of deep desulfuration technology of core is turned to, i.e., organic sulfur compound is first aoxidized into polarity stronger sulfoxide and sulfone class substance, then
The methods of passing through extraction is isolated removing, and simple with technological process, equipment investment and operating cost are low, can be in normal temperature and pressure
Lower progress, the desulfurization significant technology economy advantage such as thoroughly, particularly suitable for various middle and small scale oil plants, be one has very much
The desulfurization technology of future.
Utility model content
The purpose of this utility model is to provide a kind of conversion rate of oxidation height, and technological process is simple, the low bavin of production cost
Oily oxidation sweetening device.
The purpose of this utility model is realized in the following manner：
A kind of diesel oxidation desulfurizing device, including diesel feed pump and catalyst/extractant storage tank, diesel feed pump passes through
Diesel feeding pipe road is connected with heater, and catalyst/extractant storage tank is connected by catalyst/extractant conveyance conduit and heater
Logical, heater is connected with the inlet of ultrasonic reaction kettle, and air compressor is connected with the air inlet of ultrasonic reaction kettle, ultrasonic reaction
Agitating device is provided in kettle, the liquid outlet of ultrasonic reaction kettle is connected with knockout drum top inlet, and knockout drum lower part goes out liquid
Mouth is connected with the inlet of water scrubber lower part, and knockout drum bottom is provided with catalyst/extractant outlet, and washing tower bottom is provided with
Water out, the liquid outlet in the middle part of water scrubber are connected with being adsorbed by drying the inlet of kettle lower part, are adsorbed by drying the liquid outlet on kettle top
It is connected with the inlet of filter, the liquid outlet of filter is connected with finished product oil tank.
Metering pump is provided on the catalyst/extractant conveyance conduit.
The catalyst of the knockout drum bottom/extractant outlet is connected with the inlet of catalyst/extracting agent recovery device,
The liquid outlet of catalyst/extracting agent recovery device is connected with catalyst/extractant storage tank.
The catalyst of the knockout drum bottom/top of the extractant outlet also directly with ultrasonic reaction kettle connects.
The water out of the washing tower bottom is connected with the water inlet of water recovery device, the water outlet and water of water recovery device
Xi Ta tops connect.
The water out of the washing tower bottom also connects to be connected with water scrubber top.
Catalyst in the catalyst/extractant storage tank is cyclohexanone peroxide, dibenzoyl peroxide, hydrogen peroxide
One or more in isopropylbenzene, tert-butyl hydroperoxide, extractant is n,N-Dimethylformamide.
The adsorbent filled in kettle that is adsorbed by drying is aluminium oxide, and drier is calcium oxide.
Control valve is provided between the filter and finished product oil tank.
Relative to the prior art, diesel oil can be carried out catalysis oxidation, solvent extraction, biodiesel solvent point successively by the utility model
High-quality desulfurized diesel oil is obtained from operations such as, washing, dry, absorption, filterings.Raw material diesel oil is squeezed into diesel oil through feed pump first
Conveyance conduit, catalyst/extractant squeezes into catalyst/extractant conveyance conduit through metering pump, by adding after two pipelines merging
Hot device is passed through ultrasonic reaction kettle.Metering pump can control the oil ratio of catalyst/extractant and raw material diesel oil 1:5~1:
20.Catalyst in catalyst/extractant storage tank is a kind of organic peroxide, can cause the macromolecular Containing Sulfur in diesel oil
Close the free-radical oxidation reaction of object.Extractant is the organic solvent with certain polarity, can extract sulfide in diesel oil
Oxidation product sulfone class substance.The volume ratio of catalyst and extractant is 1:30~40.Air blasts ultrasonic reaction kettle after compression.
Specific air consumption（Mark condition）Volume ratio with sulfur-containing diesel is 25:1~100:1.Ultrasonic reaction kettle upper end is equipped with stirring motor, in
Portion is equipped with three groups of agitating paddles, is 10 DEG C~60 DEG C in temperature, and reaction 10 under ultrasound-enhanced and mechanical agitation collective effect~
40min, supersonic frequency are 10kHz~50kHz, and the ultrasonic sound intensity is 6~10W/cm2.Diesel oil/solvent mixed liquor after reaction enters
Diesel oil/solvent standing separation tank stands 5~30min.The diesel oil that upper outlet comes out is imported into water scrubber, and lower part outlet comes out
A solvent part return to ultrasonic reaction kettle direct reuse, another part enters catalyst/extracting agent recovery device.Separation
Containing not cleaning solvent is divided on a small quantity in diesel oil afterwards, enter water scrubber from lower part, progress is inversely contacted with the water entered from top
Washing.It washes the water part that tower bottom comes out and returns to water scrubber top direct reuse, another part enters water recycling dress
It puts.Diesel oil after washing, which is imported into, is adsorbed by drying kettle, and a small amount of sulfone class not extracted in diesel oil is removed by alumina adsorbant
Substance removes a small amount of water in diesel oil by calcium oxide drier.Diesel oil after being adsorbed by drying finally is imported into finished product oil tank.
Catalyst/extractant is catalyzed can decrease with effect of extracting after a period of use（Have with sulfur content in diesel oil
It closes）, catalyst/extractant storage tank recycling is returned after catalyst/extracting agent recovery device distilation processing.Recycling
Washing oil water returns to water scrubber top after distilation is handled in water recovery device and recycles.Adsorbent drier, which uses, to be had
The method regeneration of solvent cleaning, and recycle.
The beneficial effects of the utility model are：Oxidation sweetening process is not related to high temperature and pressure, and mild condition can significantly reduce
Energy consumption.The merging of oxidation-extraction process is carried out at the same time, and simplifies technique.Ul-trasonic irradiation is used during oxidation-extraction, hence it is evident that increase
Strong oxidizing intensity, improves conversion rate of oxidation and extraction efficiency.Solvent and water can recycle, and entire production process is without useless
Water, exhaust gas, waste residue generate.By extracting and adsorbing the sulfide oxidation product in two step synergy removing diesel oil, desulfurization effect
Fruit is good.Minimal amount of organic peroxide introduces diesel systems, improves diesel cetane-number, improves combustibility.Finally
Product reaches national V class diesel quality standard.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Wherein, 1. diesel feeds pump, 2. catalyst/extractant storage tank, 3. metering pumps, 4. air compressors, 5. heaters,
6. agitating device, 7. ultrasonic reaction kettles, 8. diesel oil/solvent standing separation tank, 9. catalyst/extracting agent recovery device, 10. washings
Tower, 11. water recovery devices, 12. are adsorbed by drying kettle, 13. filters, 14. valves processed, 15. finished product oil tanks.
Specific embodiment
If attached drawing 1 shows, a kind of diesel oxidation desulfurizing device, including diesel feed pump 1 and catalyst/extractant storage tank 2, bavin
Oily feed pump 1 is connected by diesel feeding pipe road with heater 5, and catalyst/extractant storage tank 2 is defeated by catalyst/extractant
Pipeline is sent to be connected with heater 5, heater 5 is connected with the inlet of ultrasonic reaction kettle 7, air compressor and ultrasonic reaction kettle 7
Air inlet connection, be provided with agitating device 6 in ultrasonic reaction kettle 7, the liquid outlet of ultrasonic reaction kettle 7 and 8 top of knockout drum into
Liquid mouth connects, and the liquid outlet of 8 lower part of knockout drum is connected with the inlet of 10 lower part of water scrubber, and 8 bottom of knockout drum is provided with catalysis
Agent/extractant outlet, 10 bottom of water scrubber are provided with water out, and the liquid outlet at 10 middle part of water scrubber is with being adsorbed by drying 12 lower part of kettle
Inlet connection, the liquid outlet for being adsorbed by drying 12 top of kettle connects with the inlet of filter 13, the liquid outlet of filter 13
It is connected with finished product oil tank 15.
Metering pump 3 is provided on catalyst/extractant conveyance conduit.
The catalyst of 8 bottom of knockout drum/extractant outlet is connected with the inlet of catalyst/extracting agent recovery device 9, is urged
The liquid outlet of agent/extracting agent recovery device 9 is connected with catalyst/extractant storage tank 2.
The catalyst of 8 bottom of knockout drum/top of the extractant outlet also directly with ultrasonic reaction kettle 7 connects.
The water out of 10 bottom of water scrubber is connected with the water inlet of water recovery device 11, the water outlet of water recovery device 11 with
10 top of water scrubber connects.
The water out of 10 bottom of water scrubber also connects to be connected with 10 top of water scrubber.
Catalyst in catalyst/extractant storage tank 2 is cyclohexanone peroxide, dibenzoyl peroxide, hydrogen peroxide are different
One or more in propyl benzene, tert-butyl hydroperoxide, extractant is n,N-Dimethylformamide.
It is aluminium oxide to be adsorbed by drying the adsorbent filled in kettle 12, and drier is calcium oxide.
Control valve 14 is provided between filter 13 and finished product oil tank 15.
The course of work of the utility model is as follows：By raw material diesel oil, through diesel feed pump 1, to squeeze into diesel oil defeated first during use
Sending pipeline, catalyst/extractant in catalyst/extractant storage tank squeezes into catalyst/extractant conveyance conduit through metering pump 3,
Two pipelines are passed through ultrasonic reaction kettle 7 after merging after the heating of heater 5.Air blasts super after the compression of air compressor 4
Phonoresponse kettle 7.Agitating device 6 is provided in ultrasonic reaction kettle 7, agitating device 6 includes being arranged on stirring for 7 top of ultrasonic reaction kettle
Motor is mixed, output shaft and the agitating shaft of stirring motor link, and are 10 DEG C~60 in temperature equipped with three groups of agitating paddles on agitating shaft
DEG C, 10~40min is reacted under ultrasound-enhanced and mechanical agitation collective effect.Diesel oil/catalyst/extractant mixed liquor after reaction
Into diesel oil/catalyst/extractant standing separation tank 8,5~30min is stood.The diesel oil that 8 upper outlet of knockout drum comes out is led
Enter water scrubber 10, the catalyst that lower part outlet comes out/extractant part returns to 7 direct reuse of ultrasonic reaction kettle, another
Part enters catalyst/extracting agent recovery device 9.Diesel oil after separation enters water scrubber 10 from lower part, with entering from top
Water inversely washed by contact.The water part that 10 bottom of water scrubber comes out returns to 10 top direct reuse of water scrubber, separately
A part enters water recovery device 11.Diesel oil after washing, which is imported into, is adsorbed by drying kettle 12, and bavin is removed by alumina adsorbant
A small amount of sulfone class substance not extracted in oil, a small amount of water in diesel oil is removed by calcium oxide drier.Bavin after being adsorbed by drying
Oil is finally imported into finished product oil tank 15 after the filtering of filter 13.
Catalyst/the extractant recycled in catalyst/extracting agent recovery device 9 returns to catalysis after distilation is handled
Agent/extractant storage tank 2 recycles.The water recycled in water recovery device 11 returns to 10 top of water scrubber after distilation is handled
It recycles.The adsorbent drier filled in kettle 12 is adsorbed by drying to regenerate using the method for organic solvent cleaning, and cycle makes
With.
Above-described is only the preferred embodiment of the utility model, it is noted that for those skilled in the art
For, under the premise of the utility model general idea is not departed from, several changes and improvements can also be made, these should also be considered as
The scope of protection of the utility model.
Claims (9)
1. a kind of diesel oxidation desulfurizing device, it is characterised in that：It is pumped including diesel feed（1）With catalyst/extractant storage tank
（2）, diesel feed pump（1）Pass through diesel feeding pipe road and heater（5）Connection, catalyst/extractant storage tank（2）Pass through catalysis
Agent/extractant conveyance conduit and heater（5）Connection, heater（5）With ultrasonic reaction kettle（7）Inlet connection, air pressure
Contracting machine and ultrasonic reaction kettle（7）Air inlet connection, ultrasonic reaction kettle（7）Inside it is provided with agitating device（6）, ultrasonic reaction kettle
（7）Liquid outlet and knockout drum（8）Top inlet connection, knockout drum（8）The liquid outlet and water scrubber of lower part（10）Lower part
Inlet connects, knockout drum（8）Bottom is provided with catalyst/extractant outlet, water scrubber（10）Bottom is provided with water out, water
Wash tower（10）The liquid outlet at middle part is with being adsorbed by drying kettle（12）The inlet connection of lower part, is adsorbed by drying kettle（12）Top goes out liquid
Mouth and filter（13）Inlet connection, filter（13）Liquid outlet and finished product oil tank（15）Connection.
2. diesel oxidation desulfurizing device according to claim 1, it is characterised in that：The catalyst/extractant delivery pipe
Metering pump is provided on road（3）.
3. diesel oxidation desulfurizing device according to claim 1, it is characterised in that：The knockout drum（8）The catalysis of bottom
Agent/extractant outlet and catalyst/extracting agent recovery device（9）Inlet connection, catalyst/extracting agent recovery device（9）
Liquid outlet and catalyst/extractant storage tank（2）Connection.
4. diesel oxidation desulfurizing device according to claim 3, it is characterised in that：The knockout drum（8）The catalysis of bottom
Agent/extractant outlet also directly with ultrasonic reaction kettle（7）Top connection.
5. diesel oxidation desulfurizing device according to claim 1, it is characterised in that：The water scrubber（10）The water of bottom goes out
Mouth and water recovery device（11）Water inlet connection, water recovery device（11）Water outlet and water scrubber（10）Top connects.
6. diesel oxidation desulfurizing device according to claim 5, it is characterised in that：The water scrubber（10）The water of bottom goes out
Mouth also connects and water scrubber（10）Top connects.
7. diesel oxidation desulfurizing device according to claim 1, it is characterised in that：The catalyst/extractant storage tank（2）
In catalyst be cyclohexanone peroxide, dibenzoyl peroxide, cumyl hydroperoxide, one kind in tert-butyl hydroperoxide
Or it is a variety of, extractant is n,N-Dimethylformamide.
8. diesel oxidation desulfurizing device according to claim 1, it is characterised in that：It is described to be adsorbed by drying kettle（12）Middle filling
Adsorbent for aluminium oxide, drier is calcium oxide.
9. according to diesel oxidation desulfurizing device described in claim 1, it is characterised in that：The filter（13）With finished product oil tank
（15）Between be provided with control valve（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721553455.1U CN207581743U (en) | 2017-11-20 | 2017-11-20 | A kind of diesel oxidation desulfurizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721553455.1U CN207581743U (en) | 2017-11-20 | 2017-11-20 | A kind of diesel oxidation desulfurizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207581743U true CN207581743U (en) | 2018-07-06 |
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ID=62732302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721553455.1U Expired - Fee Related CN207581743U (en) | 2017-11-20 | 2017-11-20 | A kind of diesel oxidation desulfurizing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN207581743U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197746A (en) * | 2022-07-07 | 2022-10-18 | 杜飞飞 | Industrial desulfurization defogging device |
| CN115261066A (en) * | 2022-07-15 | 2022-11-01 | 陕西理工大学 | Fuel oil ultra-deep desulfurization system and method |
-
2017
- 2017-11-20 CN CN201721553455.1U patent/CN207581743U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115197746A (en) * | 2022-07-07 | 2022-10-18 | 杜飞飞 | Industrial desulfurization defogging device |
| CN115261066A (en) * | 2022-07-15 | 2022-11-01 | 陕西理工大学 | Fuel oil ultra-deep desulfurization system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181210 Address after: 464317 Wang Lou Village, Xiaoyindian Town, Xixian County, Xinyang City, Henan Province Patentee after: Xinkai Bioenergy Co., Ltd. Address before: 459014 Liugou Village, Shaoyuan Town, Jiyuan City, Jiaozuo City, Henan Province Co-patentee before: Zhengzhou star creation Energy Technology Co., Ltd. Patentee before: Henan Longzheng Biological Energy Co., Ltd. |
|
| 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: 20180706 Termination date: 20201120 |