CN201473473U - Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified - Google Patents
Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified Download PDFInfo
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- CN201473473U CN201473473U CN200920153995XU CN200920153995U CN201473473U CN 201473473 U CN201473473 U CN 201473473U CN 200920153995X U CN200920153995X U CN 200920153995XU CN 200920153995 U CN200920153995 U CN 200920153995U CN 201473473 U CN201473473 U CN 201473473U
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Abstract
The utility model discloses a device by utilizing a 2-ethyl anthraquinone crude product to be rectified and purified, which consists of a distillation still, a rectifying tower, a condenser, a receiving tank, a material stopping device, a buffering tank, a cooler, a high-vacuum unit and a circular water recycling tank, wherein one end of the rectifying tower is connected with the distillation still, and the other end is simultaneously connected with the condenser and the buffering tank. The device has simple, convenient and safe operation and high vacuum degree, can remarkably reduce the distillation temperature, shorten the distillation time, effectively improve the distillation efficiency and can further improve the quality of the 2-ethyl anthraquinone product. At the same time, the device can reduce the abrasion of the high-vacuum unit, can reduce the loss of the product and can prevent the environmental pollution.
Description
Technical field
The utility model belongs to organic chemistry material and caloic switching technology field, more specifically relates to a kind of device that is used for 2-ethyl-anthraquinone crude product rectification and purification.
Background technology
2-ethyl-anthraquinone is the wider Synthetic Organic Chemistry product of purposes, mainly is at present as the catalyzer in the process for prepairng hydrogen peroxide by anthraquinone process, reaches sensitive materials, high-grade dyestuff intermediate, ink material.Particularly the high purity 2-ethyl-anthraquinone can prolong the work-ing life of hydrogenation catalyst significantly in the hydrogen peroxide manufacture process, reduces the side reaction deposits yields, improves hydrogenation efficiency.Help improving the throughput of device simultaneously, reduce to produce consuming.The high-performance that high-load 2-ethyl-anthraquinone is used in the hydrogen peroxide manufacture process obtains the approval of hydrogen peroxide manufacture industry.The producer of present production high purity 2-ethyl-anthraquinone, purifying technique all adopts the traditional vacuum distillation method, and this method adopts W3 vacuum pump or water towards vacuum pump, main drawback is that vacuum tightness is low, high boiling point is difficult to distillation,, may influences quality product and outward appearance again as improving distillation temperature.As adopt common water distilling apparatus, and not adding rectifying tower, many components high boiling product can not effectively separate, and has a strong impact on quality product.As adopt the oil ring pump (as H50 oil ring pump, sliding vane rotary pump) of high vacuum; though vacuum tightness can reach processing requirement; but because of failing on a small quantity in the oil ring pump of the aqueous vapor of condensation and condensable gases suction high vacuum; cause oil pollution; with having a strong impact on the work-ing life of vacuum tightness and pump, often change oil increase running cost.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of device that is used for 2-ethyl-anthraquinone crude product rectification and purification is provided.The utility model is easy to operate and safe, and the vacuum tightness height can obviously reduce distillation temperature, shortens distillation time, effectively improve distillation yield, further improves the 2-ethyl-anthraquinone quality product.Reduce the wearing and tearing of high vacuum unit simultaneously, reduce the loss of product, prevent the pollution of the environment.
For achieving the above object, the utility model has been taked following technical scheme:
The device that is used for 2-ethyl-anthraquinone crude product rectification and purification is connected and composed by still kettle 1, rectifying tower 2, condenser 3, receiving tank 4, material-blocking device 5, surge tank 6, water cooler 7, high vacuum unit 9 and recirculated water withdrawing can 10 successively; Wherein, rectifying tower 2 one ends link to each other with still kettle 1, and the other end then links to each other with condenser 3 and surge tank 6 simultaneously.
As improvement of the technical scheme, between water cooler 7 and high vacuum unit 9, be provided with electric contact vacuum meter 8.Adopt electric contact vacuum meter 8, can realize automatization control vacuum tightness, guarantee the Roots vaccum pump safe operation.
As improvement of the technical scheme, described rectifying tower 2 is efficient Stainless Steel Helices towers, and 2-ethyl-anthraquinone is effectively separated with other impurity components.
As improvement of the technical scheme, described high vacuum unit 9 is made up of water-ring vacuum pump and Roots vaccum pump.This class high vacuum unit has the final vacuum height, can reach the distillation requirement of material.The 2-ethyl-anthraquinone product of the condensability steam of suction high vacuum unit, moisture content, a small amount of ash and a small amount of distillation all has the vacuum tightness and the work-ing life that can not influence the high vacuum unit.The water coolant of high vacuum unit adopts and recycles, and can the product in the recirculated cooling water be reclaimed.
Concrete technological operation step of the present utility model comprises: the 2-ethyl-anthraquinone crude product is dropped in the still kettle 1, convince the deep fat heat temperature raising by patient analysis, open the water ring vacuum pump of high vacuum unit 9 earlier, carry out distilling under the rough vacuum condition, steam and remove lower boiling components such as a spot of moisture content, dust in the 2-ethyl-anthraquinone crude product.By control vacuum tightness, distillation temperature, determine the distillation situation.When vacuum tightness reaches 0.090～0.095Mpa, when distillation temperature reaches 250 ℃, open the Roots vaccum pump of high vacuum unit 9 again, switch to the elaboration receiving system, carry out distillation under the high vacuum condition.And open the water coolant of condenser 3, material-blocking device 5,200～250 ℃ of distillation temperatures, final vacuum reaches under 3～5mmHg condition, makes the 2-ethyl-anthraquinone steam through the rectifying tower fractionation, is cooled to product to condenser.By the control gas clean-up, reduce distillation temperature.Make 2-ethyl-anthraquinone and other impurity component carry out fractionation, reach the purification purpose.
The utility model water distilling apparatus is compared with the traditional vacuum water distilling apparatus, has the following advantages:
1. adopt the high efficiency packing rectifying tower, effectively fractionation 2-ethyl-anthraquinone and other impurity component.
2. adopt the high vacuum unit, carry out rough vacuum, high vacuum is distilled step by step, earlier under the rough vacuum condition, lower boiling components such as the small amount of moisture in the crude product, dust are steamed remove.When vacuum tightness reach＞0.09Mpa, distillation temperature reach 250 ℃, switches under the high vacuum condition again, carries out molecular distillation.
3. Roots vaccum pump carries out automatization control, adopt the electric contact vacuum meter, press product property and processing requirement, adjust upper limit value and lower limit value, when electric contact vacuum meter P1 reached lower value, the secondary Roots vaccum pump was opened automatically, meets accident as system, vacuum tightness is closed the secondary Roots vaccum pump during less than electric contact vacuum meter P1 lower value automatically.When electric contact vacuum meter P2 reaches higher limit; three grades of Roots vaccum pumps are opened automatically, meet accident as system, and vacuum tightness is during less than electric contact vacuum meter P2 higher limit; automatically close three grades of Roots vaccum pumps, can effectively protect the normal operation of Roots vaccum pump.
4. the forepump of high vacuum unit is a water ring vacuum pump, adopt cooling water circulation use, make aqueous vapor, dust, the condensable gases of condensation of failing on a small quantity of suction water-ring pump after water quench, enter in the withdrawing can, can not influence the work-ing life of vacuum tightness and pump, each also recyclable a certain amount of crude product in back that uses, minimizing reduces production costs to the pollution of environment.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model will be further described below in conjunction with Figure of description.
The device that is used for 2-ethyl-anthraquinone crude product rectification and purification is connected and composed by still kettle 1, rectifying tower 2, condenser 3, receiving tank 4, material-blocking device 5, surge tank 6, water cooler 7, high vacuum unit 9 and recirculated water withdrawing can 10 successively; Wherein, rectifying tower 2 one ends link to each other with still kettle 1, and the other end then links to each other with condenser 3 and surge tank 6 simultaneously.
As improvement of the technical scheme, between water cooler 7 and high vacuum unit 9, be provided with electric contact vacuum meter 8.Adopt electric contact vacuum meter 8, can realize automatization control vacuum tightness, guarantee the Roots vaccum pump safe operation.
As improvement of the technical scheme, described rectifying tower 2 is efficient Stainless Steel Helices towers, and 2-ethyl-anthraquinone is effectively separated with other impurity components.
As improvement of the technical scheme, described high vacuum unit 9 is made up of water-ring vacuum pump and Roots vaccum pump.This class high vacuum unit has the final vacuum height, can reach the distillation requirement of material.The 2-ethyl-anthraquinone product of the condensability steam of suction high vacuum unit, moisture content, a small amount of ash and a small amount of distillation all has the vacuum tightness and the work-ing life that can not influence the high vacuum unit.The water coolant of high vacuum unit adopts and recycles, and can the product in the recirculated cooling water be reclaimed.
Schedule of operation of the present utility model is as follows:
1. the 2-ethyl-anthraquinone crude product is dropped in the still kettle 1, convince the deep fat heating by patient analysis, open the forepump water ring vacuum pump of high vacuum unit 9 earlier, open the water coolant of water cooler 7, carry out the distillation of low boilers.Along with low boilers constantly distillates, distillation temperature progressively raises, and vacuum tightness progressively raises.
2. when vacuum tightness reaches design requirements, i.e. vacuum tightness＞0.09Mpa, distillation temperature reaches 250 ℃, and low boilers is taken off to the greatest extent the sixth of the twelve Earthly Branches fully.Open the two stage pump Roots vaccum pump of high vacuum unit 9, switch to the elaboration receiving system, open the water coolant of condenser 3, material-blocking device 5, open the insulation steam of receiving tank 4.Carry out distilling under the condition of high vacuum degree condition,, can effectively reduce distillation temperature, shorten distillation time, effectively improve distillation yield, further improve the 2-ethyl-anthraquinone quality product when this vacuum tightness of overlapping the purification water distilling apparatus reaches more than the 5mmHg.High vacuum unit 9 adopts cooling water circulation use, and product in the recirculated cooling water is reclaimed, and reduces the product loss, reduces environmental pollution.
Claims (4)
1. be used for the device of 2-ethyl-anthraquinone crude product rectification and purification, it is characterized in that: connect and compose by still kettle (1), rectifying tower (2), condenser (3), receiving tank (4), material-blocking device (5), surge tank (6), water cooler (7), high vacuum unit (9) and recirculated water withdrawing can (10) successively; Wherein, rectifying tower (2) one ends link to each other with still kettle (1), and the other end then links to each other with condenser (3) and surge tank (6) simultaneously.
2. the device that is used for 2-ethyl-anthraquinone crude product rectification and purification according to claim 1 is characterized in that: be provided with electric contact vacuum meter (8) between water cooler (7) and high vacuum unit (9).
3. the device that is used for 2-ethyl-anthraquinone crude product rectification and purification according to claim 2 is characterized in that: rectifying tower (2) is efficient Stainless Steel Helices tower.
4. the device that is used for 2-ethyl-anthraquinone crude product rectification and purification according to claim 2 is characterized in that: high vacuum unit (9) is made up of water-ring vacuum pump and Roots vaccum pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920153995XU CN201473473U (en) | 2009-05-20 | 2009-05-20 | Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920153995XU CN201473473U (en) | 2009-05-20 | 2009-05-20 | Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified |
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| Publication Number | Publication Date |
|---|---|
| CN201473473U true CN201473473U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920153995XU Expired - Lifetime CN201473473U (en) | 2009-05-20 | 2009-05-20 | Device by utilizing 2-ethyl anthraquinone crude product to be rectified and purified |
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| Country | Link |
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| CN (1) | CN201473473U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311373A (en) * | 2010-07-08 | 2012-01-11 | 黑龙江科技学院 | Separation process for synthesizing mercaptoethanol by using hydrogen sulfide in crude gas |
| CN104083884A (en) * | 2013-04-01 | 2014-10-08 | 佛山汉维科技有限公司 | Vacuum system for thin film evaporation-rectification coupled device |
| CN104096371A (en) * | 2013-04-03 | 2014-10-15 | 江苏创新石化有限公司 | Rectification vacuum-pumping system of desulfurizer device |
| CN104447181A (en) * | 2014-11-17 | 2015-03-25 | 宁夏中远天宇科技有限公司 | Novel extraction procedure in production process of refined anthracene |
| CN109467056A (en) * | 2017-09-08 | 2019-03-15 | 三菱瓦斯化学株式会社 | Peroxidating method for preparing hydrogen |
| CN113979849A (en) * | 2021-11-22 | 2022-01-28 | 浙江金科日化原料有限公司 | Purification process for desulfurization and dechlorination of 2-ethyl anthraquinone |
| CN114436799A (en) * | 2022-01-25 | 2022-05-06 | 重庆毂运科技有限公司 | Method for processing 2-ethyl anthraquinone crude product and drying device |
-
2009
- 2009-05-20 CN CN200920153995XU patent/CN201473473U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102311373A (en) * | 2010-07-08 | 2012-01-11 | 黑龙江科技学院 | Separation process for synthesizing mercaptoethanol by using hydrogen sulfide in crude gas |
| CN104083884A (en) * | 2013-04-01 | 2014-10-08 | 佛山汉维科技有限公司 | Vacuum system for thin film evaporation-rectification coupled device |
| CN104083884B (en) * | 2013-04-01 | 2017-03-29 | 佛山汉维科技有限公司 | A kind of vacuum system for thin film evaporation and rectification coupling apparatus |
| CN104096371A (en) * | 2013-04-03 | 2014-10-15 | 江苏创新石化有限公司 | Rectification vacuum-pumping system of desulfurizer device |
| CN104447181A (en) * | 2014-11-17 | 2015-03-25 | 宁夏中远天宇科技有限公司 | Novel extraction procedure in production process of refined anthracene |
| CN109467056A (en) * | 2017-09-08 | 2019-03-15 | 三菱瓦斯化学株式会社 | Peroxidating method for preparing hydrogen |
| CN113979849A (en) * | 2021-11-22 | 2022-01-28 | 浙江金科日化原料有限公司 | Purification process for desulfurization and dechlorination of 2-ethyl anthraquinone |
| CN113979849B (en) * | 2021-11-22 | 2024-03-29 | 浙江金科日化新材料股份有限公司 | Purification process for desulfurizing and dechlorinating 2-ethyl anthraquinone |
| CN114436799A (en) * | 2022-01-25 | 2022-05-06 | 重庆毂运科技有限公司 | Method for processing 2-ethyl anthraquinone crude product and drying device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |