CN102876360A - Device for increasing naphthalene and naphthalene derivative content in washing oil and preparation method of device - Google Patents
Device for increasing naphthalene and naphthalene derivative content in washing oil and preparation method of device Download PDFInfo
- Publication number
- CN102876360A CN102876360A CN2012103947057A CN201210394705A CN102876360A CN 102876360 A CN102876360 A CN 102876360A CN 2012103947057 A CN2012103947057 A CN 2012103947057A CN 201210394705 A CN201210394705 A CN 201210394705A CN 102876360 A CN102876360 A CN 102876360A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- vertical storage
- naphthalene
- washing oil
- parts
- 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.)
- Granted
Links
Images
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The invention relates to the technical field of washing oil, and provides a device for increasing the naphthalene and naphthalene derivative content in washing oil and a preparation method of the device. The device for increasing the naphthalene and naphthalene derivative content in washing oil comprises a vertical storage tank, a hollow hole reactor, a pump, an inlet pressure meter, a thermocouple and a condenser, wherein the top of the vertical storage tank is respectively and fixedly provided with the thermocouple and the condenser which is communicated with an inner cavity of the vertical storage tank, the lower end of the thermocouple is positioned at the lower part of the inner cavity of the vertical storage tank, the outer side of the vertical storage tank is fixedly provided with a jacket, the lower part and the upper part of the jacket are respectively provided with a jacket inlet and a jacket outlet, and a material feeding opening is arranged on the top of the vertical storage tank. Through the matched use of the hollow hole reactor, the vertical storage tank and the pump, the content of industrial naphthalene and naphthalene derivatives in the washing oil is increased, the device has the characteristics that the energy is saved, the pollution is avoided, the cost is low, the multi-time cyclic utilization of the washing oil is utilized, the resource utilization rate of the washing oil is improved, and good industrial prospects are realized.
Description
Technical field
The present invention relates to the washing oil technical field, is a kind of device that increases naphthalene in the washing oil and derivative content thereof and preparation method thereof.
Background technology
Wash oil fraction be coal tar distillation to cut boiling range be 230 ℃ to 300 ℃ cut, mainly contain the materials such as 1-methylnaphthalene, 2-methylnaphthalene, acenaphthene, fluorenes.Because Components of Wash Oil has satisfactory stability and good dissolving power, be mainly used at present the benzene hydrocarbon in the washing absorption coal gas and various organic gas from coke-oven gas, or preparation wood preserving oil, only have only a few to be used for producing the products such as methylnaphthalene, indoles, biphenyl, acenaphthene, dibenzofuran and fluorenes, therefore, the economic worth of washing oil is not also given full play of.Along with the development of fine chemistry industry, the application of the products such as naphthalene and derivative thereof in catalyst preparation also more and more is taken seriously, and market demand constantly increases, and the naphthalene and the derivative thereof that extract in the washing oil will become the effective means that washing oil promotes economic worth.The main method of manufacture naphthalene and methylnaphthalene has both at home and abroad at present: (1) recrystallization method, and this technique is simple, and is easy to operate, but require naphthalene and methylnaphthalene content in the raw material higher; (2) azeotropic distillation, this technique is simple, basic not pollution, but yield is lower; (3) chemical refining method, though this method can have higher purity and yield, cost is high, can produce a large amount of waste liquids in the production process.
Summary of the invention
The invention provides a kind of device that increases naphthalene in the washing oil and derivative content thereof by the hole reactor and preparation method thereof, overcome the deficiency of above-mentioned prior art, its can effectively solve require the naphthalene in the raw material in the existing method and methylnaphthalene content is higher, yield is lower, cost is high and production process in can produce the problem of a large amount of waste liquids.
One of technical scheme of the present invention realizes by following measures: a kind of device that increases naphthalene in the washing oil and derivative content thereof by the hole reactor comprises vertical storage tank, hole reactor, pump, inlet pressure gauge, thermopair and condenser; Be installed with respectively at the top of vertical storage tank thermopair and with the condenser of the intracavity inter-connection of vertical storage tank, the lower end of thermopair is positioned at the inner chamber bottom of vertical storage tank, the outside at vertical storage tank is fixed with chuck, chuck import and Jacket outlet are arranged respectively at bottom and top at chuck, opening for feed is arranged at the top at vertical storage tank, discharge port is arranged at the bottom at vertical storage tank, the discharge port of vertical storage tank and the opening for feed of pump are fixedly installed togather by the first pipeline, the opening for feed of the discharge port of pump and hole reactor is fixedly installed togather by the second pipeline, the hole reactor is positioned at the inner chamber middle part of vertical storage tank, be fixedly connected with discharge nozzle at the first pipeline, be installed with valve at discharge nozzle, be installed with inlet pressure gauge at the second pipeline.
The below is the further optimization and/or improvements to one of foregoing invention technical scheme:
Above-mentioned bottom at chuck is installed with the sampling tube that communicates with the inner chamber of vertical storage tank, and the outer end of sampling tube is positioned at the outside of chuck.
Above-mentioned bottom at chuck is installed with communicating pipe, and the inner of communicating pipe is positioned at the exit of hole reactor, and the outer end of communicating pipe is positioned at the outside of chuck, is installed with delivery gauge in the outer end of communicating pipe.
Said pump is toothed gear pump.
Two of technical scheme of the present invention realizes by following measures: a kind of preparation method who increases the device of naphthalene in the washing oil and derivative content thereof, carry out in the steps below: the first step, taking by weighing parts by weight and be 0.1 part to 6 parts catalyzer, to join parts by weight be in 3 parts to 30 parts the water, stirring is dissolved in catalyzer fully and obtains aqueous catalyst solution in the water, it is in 70 parts to 97 parts the washing oil that aqueous catalyst solution is joined parts by weight, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed of reaction raw materials from vertical storage tank joined the vertical storage tank, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor; Second step, opening pump makes reaction raw materials pass through the first pipeline and the second pipeline circulates in the reactor of hole, temperature rose to 50 ℃ to 80 ℃ after chemistry and physical change occured in the reactor of hole reaction raw materials, then passing into cooling temperature in the chuck by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank of heat-eliminating medium, make the temperature of charge in the vertical storage tank be controlled at 30 ℃ to 100 ℃, the pressure at control reactor inlet place, hole is after reacting 5 min to 60min under 0.3MPa to 2.6 MPa, does makings Analysis deterrmination naphthalene and methylnaphthalene after reaction product is discharged by discharge nozzle with respect to the increasing amount in the reaction raw materials.
The below is two further optimization and/or improvements to the foregoing invention technical scheme:
Above-mentioned catalyzer is one or more mixtures in ferrous sulfate, ammonium molybdate and the single nickel salt.
Above-mentioned heat-eliminating medium is salt solution or ethylene glycol.
The present invention is used in conjunction with by hole reactor, vertical storage tank and pump, improved the content of NAPTHALENE FLAKES. (INDUSTRIAL GRADE） in the washing oil and derivative thereof, have energy-conservation, pollution-free, cost is low and the characteristics of washing oil recycled for multiple times, has improved the resource utilization of washing oil, has good industrial prospect.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of embodiment 1.
Accompanying drawing 2 is the perspective structure schematic diagram of vertical storage tank.
Coding in the accompanying drawing is respectively: 1 is vertical storage tank, and 2 is the hole reactor, and 3 is pump, 4 is inlet pressure gauge, and 5 is thermopair, and 6 is condenser, 7 is chuck, and 8 is the chuck import, and 9 is Jacket outlet, 10 is opening for feed, and 11 is the first pipeline, and 12 is the second pipeline, 13 is discharge nozzle, and 14 is valve, and 15 is sampling tube, 16 is communicating pipe, and 17 is delivery gauge.
Embodiment
In the present invention, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Embodiment 1, as shown in Figure 1, 2, should increase by the hole reactor device of naphthalene in the washing oil and derivative content thereof, comprises vertical storage tank 1, hole reactor 2, pump 3, inlet pressure gauge 4, thermopair 5 and condenser 6; Be installed with respectively at the top of vertical storage tank 1 thermopair 5 and with the condenser 6 of the intracavity inter-connection of vertical storage tank 1, the lower end of thermopair 5 is positioned at the inner chamber bottom of vertical storage tank 1, be fixed with chuck 7 in the outside of vertical storage tank 1, chuck import 8 and Jacket outlet 9 are arranged respectively at bottom and top at chuck 7, at the top of vertical storage tank 1 opening for feed 10 is arranged, discharge port is arranged at the bottom at vertical storage tank 1, the opening for feed of the discharge port of vertical storage tank 1 and pump 3 is fixedly installed togather by the first pipeline 11, the opening for feed of the discharge port of pump 3 and hole reactor 2 is fixedly installed togather by the second pipeline 12, hole reactor 2 is positioned at the inner chamber middle part of vertical storage tank 1, be fixedly connected with discharge nozzle 13 at the first pipeline 11, be installed with valve 14 at discharge nozzle 13, be installed with inlet pressure gauge 4 at the second pipeline 12.The precision of inlet pressure gauge 4 is 0.2.Condenser 6 is convenient to produce in reaction process a small amount of gas cold congeals into and flows back in the vertical storage tank 1 behind the liquid.Hole reactor 2 is public existing installation, and for example: the employing patent No. is US4, disclosed hole reactor in 511,254 the american documentation literature.The principle of work of hole reactor is: liquid enters in the process of hole reactor, because changing, runner causes that pressure field changes, when internal pressure is reduced to the saturated vapor pressure of liquid, can cause vaporizing liquid, with respect to the negative pressuren zone in the device, liquid phase is the high pressure area, gas sharply condenses after containing alveolate liquid and entering the high pressure area, the instantaneous disappearance of crumbling and fall of bubble, produce parital vacuum, liquid at high speed is on every side poured into bubble center, is accompanied by strong shockwave and high-speed microjet, make the C-C key of liquid phase substance, the fractures such as c h bond have realized under general condition being difficult to maybe impossible some physics of realizing, chemical process.
Can according to actual needs, embodiment 1 be made further optimization and/or improvements:
As shown in Figure 1, be installed with the sampling tube 15 that communicates with the inner chamber of vertical storage tank 1 in the bottom of chuck 7, the outer end of sampling tube 15 is positioned at the outside of chuck 7.Like this, sampling tube 15 is convenient in reaction process sampling from vertical storage tank 1, does naphthalene in the different period reaction product of makings Analysis deterrmination and methylnaphthalene with respect to the increasing amount in the reaction raw materials.
As shown in Figure 1, 2, be installed with communicating pipe 16 in the bottom of chuck 7, the inner of communicating pipe 16 is positioned at the exit of hole reactor 2, and the outer end of communicating pipe 16 is positioned at the outside of chuck 7, is installed with delivery gauge 17 in the outer end of communicating pipe 16.Like this, delivery gauge 17 is convenient to survey the pressure in hole reactor 2 exits.The precision of delivery gauge 17 is 0.2.
As required, pump 3 is toothed gear pump.
Embodiment 3, the preparation method of the device of naphthalene and derivative content thereof in this increase washing oil, carry out in the steps below: the first step, take by weighing parts by weight and be the ferrous sulfate of 0.1 part or 2 parts, 0.1 part or the ammonium molybdate of 2 parts single nickel salt and 0.1 part or 2 parts join in the water that parts by weight are 3 parts or 30 parts, stirring makes ferrous sulfate, single nickel salt and ammonium molybdate are dissolved in obtain aqueous catalyst solution in the water fully, aqueous catalyst solution is joined in the washing oil that parts by weight are 70 parts or 97 parts, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed 10 of reaction raw materials from vertical storage tank 1 joined the vertical storage tank 1, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor 2; Second step, opening pump 3 makes reaction raw materials pass through the first pipeline 11 and the second pipeline 12 circulates in hole reactor 2, temperature rose to 50 ℃ or 80 ℃ after chemistry and physical change occured in hole reactor 2 reaction raw materials, then passing into cooling temperature in the chuck 7 by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank 1 of heat-eliminating medium, the cooling of temperature of charge in the vertical storage tank 1 is under 0.3MPa or 2.6 MPa behind reaction 5 min or the 60min at 30 ℃ or 100 ℃ and the pressure of controlling the feeding mouth place of hole reactor 2, obtains reaction product.
Embodiment 4, the preparation method of the device of naphthalene and derivative content thereof in this increase washing oil, carry out in the steps below: the first step, taking by weighing parts by weight and be 0.5 part ferrous sulfate, to join parts by weight be in 25 parts the water, stirring is dissolved in ferrous sulfate fully and obtains aqueous catalyst solution in the water, it is in 75 parts the washing oil that aqueous catalyst solution is joined parts by weight, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed 10 of reaction raw materials from vertical storage tank 1 joined the vertical storage tank 1, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor 2; Second step, opening pump 3 makes reaction raw materials pass through the first pipeline 11 and the second pipeline 12 circulates in hole reactor 2, temperature rose to 50 ℃ to 80 ℃ after chemistry and physical change occured in hole reactor 2 reaction raw materials, then passing into cooling temperature in the chuck 7 by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank 1 of heat-eliminating medium, the cooling of temperature of charge in the vertical storage tank 1 is under 0.3MPa to 2.6 MPa behind reaction 5 min to 60min at 30 ℃ to 100 ℃ and the pressure of controlling the feeding mouth place of hole reactor 2, obtains reaction product.
Embodiment 6, the preparation method of the device of naphthalene and derivative content thereof in this increase washing oil, carry out in the steps below: the first step, taking by weighing parts by weight and be 0.5 part ammonium molybdate, to join parts by weight be in 5 parts the water, stirring is dissolved in ammonium molybdate fully and obtains aqueous catalyst solution in the water, it is in 95 parts the washing oil that aqueous catalyst solution is joined parts by weight, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed 10 of reaction raw materials from vertical storage tank 1 joined the vertical storage tank 1, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor 2; Second step, opening pump 3 makes reaction raw materials pass through the first pipeline 11 and the second pipeline 12 circulates in hole reactor 2, temperature rose to 50 ℃ to 80 ℃ after chemistry and physical change occured in hole reactor 2 reaction raw materials, then passing into cooling temperature in the chuck 7 by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank 1 of heat-eliminating medium, the cooling of temperature of charge in the vertical storage tank 1 is under 0.3MPa to 2.6 MPa behind reaction 5 min to 60min at 70 ℃ and the pressure of controlling the feeding mouth place of hole reactor 2, obtains reaction product.
Embodiment 7, the preparation method of the device of naphthalene and derivative content thereof in this increase washing oil, carry out in the steps below: the first step, taking by weighing parts by weight and be single nickel salt that 0.5 part ammonium molybdate and parts by weight are 0.5 part, to join parts by weight be in 25 parts the water, stirring is dissolved in ammonium molybdate and single nickel salt fully and obtains aqueous catalyst solution in the water, it is in 75 parts the washing oil that aqueous catalyst solution is joined parts by weight, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed 10 of reaction raw materials from vertical storage tank 1 joined the vertical storage tank 1, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor 2; Second step, opening pump 3 makes reaction raw materials pass through the first pipeline 11 and the second pipeline 12 circulates in hole reactor 2, temperature rose to 50 ℃ to 80 ℃ after chemistry and physical change occured in hole reactor 2 reaction raw materials, then passing into cooling temperature in the chuck 7 by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank 1 of heat-eliminating medium, the cooling of temperature of charge in the vertical storage tank 1 is under 0.3MPa to 2.6 MPa behind reaction 5 min to 60min at 70 ℃ and the pressure of controlling the feeding mouth place of hole reactor 2, obtains reaction product.
Heat-eliminating medium in embodiment 2 to embodiment 6 is salt solution or ethylene glycol.
In embodiment 2 to embodiment 6, reaction is finished and is done makings Analysis deterrmination naphthalene and methylnaphthalene after the afterreaction product is discharged by discharge nozzle 13 with respect to the increasing amount in the reaction raw materials.
The below is that reaction is finished the afterreaction product with respect to the mean value of the increasing amount of naphthalene in the reaction raw materials and methylnaphthalene among the embodiment 2 to embodiment 6, and is as shown in table 1:
Table 1
| Embodiment | Catalyzer | Increasing amount (%) | Increasing amount (%) |
|
| Methylnaphthalene | ||
| Embodiment | |||
| 2 | Ferrous sulfate, single nickel salt and ammonium molybdate | 4.57 to 10.31 | 0.32 to 2.69 |
| Embodiment 3 | Ferrous sulfate, single nickel salt and ammonium molybdate | 4.57 or 10.31 | 0.32 or 2.69 |
| Embodiment 4 | Ferrous sulfate | 4.57 | 2.69 |
|
|
Single nickel salt | 7.45 | — |
| Embodiment 6 | Ammonium molybdate | 4.74 | — |
| Embodiment 7 | Single nickel salt and ammonium molybdate | 10.31 | 0.32 |
As can be seen from Table 1, when in embodiment 2, adopting catalyst sulfuric acid ferrous iron, single nickel salt and ammonium molybdate, reaction is finished the content of naphthalene in the afterreaction product with respect to increasing by 4.57% to 10.31% in the reaction raw materials, and the content of methylnaphthalene is with respect to increasing by 0.32% to 2.69% in the reaction raw materials; When adopting the single catalyst ferrous sulfate in embodiment 4, the content that naphthalene in the afterreaction product is finished in reaction is with respect to increasing by 4.57% in the reaction raw materials, and the content of methylnaphthalene is with respect to increasing by 2.69% in the reaction raw materials; When adopt adopting the single catalyst single nickel salt in embodiment 5, the content that naphthalene in the afterreaction product is finished in reaction is with respect to increasing by 7.45% in the reaction raw materials, the content of methylnaphthalene with respect in the reaction raw materials without considerable change; When adopting the single catalyst ammonium molybdate in embodiment 6, the content that naphthalene in the afterreaction product is finished in reaction is with respect to increasing by 4.74% in the reaction raw materials, the content of methylnaphthalene with respect in the reaction raw materials without considerable change; When adopting catalyst sulfuric acid nickel and ammonium molybdate in embodiment 7, the content that naphthalene in the afterreaction product is finished in reaction is with respect to increasing by 10.31% in the reaction raw materials, and the content of methylnaphthalene is with respect to increasing by 0.32% in the reaction raw materials; Can draw thus the content of naphthalene in the reaction product with respect to being greatly increased in the reaction raw materials.
The present invention utilizes the hole reactor to react, means with a kind of physics reach the chemical process that activates hydrogenation, from washing oil, obtain valuable chemical, washing oil is by the hole reactor for treatment, not only provide a kind of green energy conservation technique for washing oil processing, and increased in the washing oil NAPTHALENE FLAKES. (INDUSTRIAL GRADE） and derivative is worth higher aromatics chemical content, thereby the product that added value is low is converted into the higher product of economic worth, help like this to improve the recycling rate of washing oil, promote the level that the Xinjiang Coal resources advantage transforms.
Claims (9)
1. a device that increases naphthalene in the washing oil and derivative content thereof by the hole reactor is characterized in that comprising vertical storage tank, hole reactor, pump, inlet pressure gauge, thermopair and condenser; Be installed with respectively at the top of vertical storage tank thermopair and with the condenser of the intracavity inter-connection of vertical storage tank, the lower end of thermopair is positioned at the inner chamber bottom of vertical storage tank, the outside at vertical storage tank is fixed with chuck, chuck import and Jacket outlet are arranged respectively at bottom and top at chuck, opening for feed is arranged at the top at vertical storage tank, discharge port is arranged at the bottom at vertical storage tank, the discharge port of vertical storage tank and the opening for feed of pump are fixedly installed togather by the first pipeline, the opening for feed of the discharge port of pump and hole reactor is fixedly installed togather by the second pipeline, the hole reactor is positioned at the inner chamber middle part of vertical storage tank, be fixedly connected with discharge nozzle at the first pipeline, be installed with valve at discharge nozzle, be installed with inlet pressure gauge at the second pipeline.
2. the device of naphthalene and derivative content thereof in the increase washing oil according to claim 1 is characterized in that the bottom of chuck is installed with the sampling tube that communicates with the inner chamber of vertical storage tank, and the outer end of sampling tube is positioned at the outside of chuck.
3. the device of naphthalene and derivative content thereof in the increase washing oil according to claim 1 and 2, the bottom that it is characterized in that chuck is installed with communicating pipe, the inner of communicating pipe is positioned at the exit of hole reactor, the outer end of communicating pipe is positioned at the outside of chuck, is installed with delivery gauge in the outer end of communicating pipe.
4. the device of naphthalene and derivative content thereof in the increase washing oil according to claim 1 and 2 is characterized in that pump is toothed gear pump.
5. the device of naphthalene and derivative content thereof in the increase washing oil according to claim 3 is characterized in that pump is toothed gear pump.
6. the preparation method of the device of a naphthalene according to claim 1 and 2 or in 3 or the 4 or 5 described increase washing oil and derivative content thereof, it is characterized in that carrying out in the steps below: the first step, taking by weighing parts by weight and be 0.1 part to 6 parts catalyzer, to join parts by weight be in 3 parts to 30 parts the water, stirring is dissolved in catalyzer fully and obtains aqueous catalyst solution in the water, it is in 70 parts to 97 parts the washing oil that aqueous catalyst solution is joined parts by weight, obtain reaction raw materials after by clarifixator aqueous catalyst solution and washing oil being mixed, the opening for feed of reaction raw materials from vertical storage tank joined the vertical storage tank, make the liquid level of reaction raw materials be higher than the discharge port of hole reactor; Second step, opening pump makes reaction raw materials pass through the first pipeline and the second pipeline circulates in the reactor of hole, temperature rose to 50 ℃ to 80 ℃ after chemistry and physical change occured in the reactor of hole reaction raw materials, then passing into cooling temperature in the chuck by cold-trap device cools off for the material in-30 ℃ to 30 ℃ the vertical storage tank of heat-eliminating medium, the cooling of temperature of charge in the vertical storage tank is under 0.3MPa to 2.6 MPa behind reaction 5 min to 60min at 30 ℃ to 100 ℃ and the pressure of controlling the feeding mouth place of hole reactor 2, obtains reaction product.
7. the preparation method of the device of naphthalene and derivative content thereof in the increase washing oil according to claim 6 is characterized in that catalyzer is one or more mixtures in ferrous sulfate, ammonium molybdate and the single nickel salt.
8. the preparation method of the device of naphthalene and derivative content thereof in the increase washing oil according to claim 6 is characterized in that heat-eliminating medium is salt solution or ethylene glycol.
9. the preparation method of the device of naphthalene and derivative content thereof in the increase washing oil according to claim 7 is characterized in that heat-eliminating medium is salt solution or ethylene glycol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394705.7A CN102876360B (en) | 2012-10-17 | 2012-10-17 | Increase device of naphthalene and its derivative content and preparation method thereof in washing oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210394705.7A CN102876360B (en) | 2012-10-17 | 2012-10-17 | Increase device of naphthalene and its derivative content and preparation method thereof in washing oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102876360A true CN102876360A (en) | 2013-01-16 |
| CN102876360B CN102876360B (en) | 2015-08-05 |
Family
ID=47477884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210394705.7A Expired - Fee Related CN102876360B (en) | 2012-10-17 | 2012-10-17 | Increase device of naphthalene and its derivative content and preparation method thereof in washing oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102876360B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001462A (en) * | 2014-05-22 | 2014-08-27 | 新疆大学 | Hydraulic cavitation reaction device and method for increasing content of anthracene and phenanthrene in wash oil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0068034A1 (en) * | 1981-06-26 | 1983-01-05 | Bethlehem Steel Corporation | Removal of naphthalene from recirculated wash oil |
| US4511254A (en) * | 1982-12-06 | 1985-04-16 | Henry North | Cavitators |
| CN1078991A (en) * | 1992-10-31 | 1993-12-01 | 鞍山钢铁公司 | From coal tar wash oil, extract the technology of naphthalene cut, methylnaphthalene and industrial acenaphthylene |
| CN101982523A (en) * | 2010-11-24 | 2011-03-02 | 孝义市金精化工有限公司 | Washing oil continuous processing method |
-
2012
- 2012-10-17 CN CN201210394705.7A patent/CN102876360B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0068034A1 (en) * | 1981-06-26 | 1983-01-05 | Bethlehem Steel Corporation | Removal of naphthalene from recirculated wash oil |
| US4511254A (en) * | 1982-12-06 | 1985-04-16 | Henry North | Cavitators |
| CN1078991A (en) * | 1992-10-31 | 1993-12-01 | 鞍山钢铁公司 | From coal tar wash oil, extract the technology of naphthalene cut, methylnaphthalene and industrial acenaphthylene |
| CN101982523A (en) * | 2010-11-24 | 2011-03-02 | 孝义市金精化工有限公司 | Washing oil continuous processing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001462A (en) * | 2014-05-22 | 2014-08-27 | 新疆大学 | Hydraulic cavitation reaction device and method for increasing content of anthracene and phenanthrene in wash oil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102876360B (en) | 2015-08-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103373925B (en) | Preparation method for methyl nitrite | |
| CN204932911U (en) | A kind of continuous rectification apparatus for maleic anhydride production | |
| CN104177243B (en) | A kind of pipe type continuously prepares the method for 2-MNQ | |
| CN103803584A (en) | Ammonium bifluoride preparation method | |
| CN110467595A (en) | A kind of no sulfuric acid process metaformaldehyde synthesizer and its synthesis route | |
| CN109438251A (en) | A kind of methanol vapor phase catalytic ammoniation method prepares the method and device thereof of trimethylamine | |
| CN106673980A (en) | Device and method for continuously producing beta-ionone by using microchannel | |
| CN104370740A (en) | Production method of isobornyl acetate | |
| CN103980286A (en) | Method and device for continuously producing isosorbide | |
| CN104152275B (en) | A kind of gas-phase methanol esterification device | |
| CN107056670A (en) | A kind of preparation method of two tertiary base peroxide | |
| CN102876360B (en) | Increase device of naphthalene and its derivative content and preparation method thereof in washing oil | |
| CN207391315U (en) | A kind of high yield, high-quality butyl acrylate reaction retracting device | |
| CN101962352B (en) | Method for continuously producing p-menthane hydroperoxide by p-menthane and device thereof | |
| CN104031196A (en) | Production process for ethylene propylene rubber | |
| CN205308290U (en) | Reverse pair of extrinsic cycle tubular reactor device | |
| CN101104580B (en) | Production method for continuous synthesizing vinylmethylketone by one-step and device thereof | |
| CN202860529U (en) | Reaction device for producing cyclohexene by partial hydrogenation of benzene | |
| CN202322584U (en) | Hydrothermal flash evaporation device capable of realizing afterheat recovery | |
| CN103342681B (en) | Process and device for improving utilization rate of ethylene oxide of metronidazole production raw materials | |
| CN104387258B (en) | A kind of production of chloroacetic acid method and chlorination reactor | |
| CN207294650U (en) | Dehydration device in 2- vinylpyridine production processes | |
| CN202766441U (en) | Device for preparing 3-methylthiopropionaldehyde through liquid-liquid reaction of methyl mercaptan and acrolein | |
| CN204265446U (en) | A kind of magnesium nitric acid process produces the maximization production equipment of concentrated nitric acid | |
| CN103664671A (en) | Continuous production method of o-aminobenzoic acid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20211017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |