CN2863792Y - Apparatus using carbonized benzene to preparing reagent benzene - Google Patents
Apparatus using carbonized benzene to preparing reagent benzene Download PDFInfo
- Publication number
- CN2863792Y CN2863792Y CN 200520135620 CN200520135620U CN2863792Y CN 2863792 Y CN2863792 Y CN 2863792Y CN 200520135620 CN200520135620 CN 200520135620 CN 200520135620 U CN200520135620 U CN 200520135620U CN 2863792 Y CN2863792 Y CN 2863792Y
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- benzene
- reagent
- downtake
- liquid
- distributor
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
An apparatus using carbonized benzene to produce reagent benzene which belongs to the technical field of organic chemical material production for solving the problem of using carbonized benzene to produce reagent benzene includes a distillating still, a rectification tower, a cooler and a reflux groove, and the rectification tower is provided with a disk sprayer, a liquid redistributor and the filling, especially the disk and liquid redistributor are distributed uniformly with downcomers with a groove on the top part, the lower end of the downcomer on the liquid redistributor is tooth-like edge. The improvement of the utility model is embodied on the sprayer, redistributor and the filling, which can produce reagent benzene using carbonized benzene after the improvement. Experiment shows that: the utility model is capable of producing reagent benzene with hydrofining using the carbonized benzene of 99% as the raw material, all indexes of which are superior to national standard, reaching advanced level of domestic product, solving the difficult problem of using carbonized benzene to produce reagent benzene.
Description
Technical field
The utility model relates to a kind of industrial chemicals production equipment, particularly utilizes the device of Produce Reagent reagent benzene, belongs to the Organic Chemicals production technical field.
Background technology
Benzene belongs to compound fragrant hydrocarbon, is the product of coal tar distillation or petroleum cracking.Reagent benzene is a kind of product that is obtained by the petroleum benzene deep processing, it is day by day extensive as its application of a kind of basic chemical industry raw material, be the important source material of synthetic rubber, synthetic resins, synthon, synthetic drugs and agricultural chemicals, the solvent of also can be used as power fuel and coating, rubber etc.The purity of reagent benzene and foreign matter content require all will be higher than common purified petroleum benzin, and price is naturally also far above common purified petroleum benzin.The main gap of carbonization benezene and reagent benzene is on purity and residue on evaporation, and cause purity and the underproof major cause of residue on evaporation to be because due to the high boiling point non-aromatics thing that contains in the coking benzene, the coking benzene of producing according to present existing installation is in the extracting rectifying process, this part non-aromatics thing is removed not fall, so make coking benzene be difficult to reach the standard of reagent benzene, numerous coking production enterprise still paces up and down on the level of producing carbonization benezene.
Summary of the invention
Technical problem to be solved in the utility model is: overcome the defective of above-mentioned prior art and a kind of device that utilizes the Produce Reagent reagent benzene is provided, thereby can utilize this device to isolate high boiling point non-aromatics in the coking benzene, produce the high added value reagent benzene product that complies with the national standard requirements.
The alleged problem of the utility model is solved by following technical scheme:
A kind of device that utilizes the Produce Reagent reagent benzene, comprise still kettle, rectifying tower, condensate cooler and backflash in the formation, be provided with disc type shower, liquid re-distributor and filler in the described rectifying tower, its special feature is: uniform downtake 6-2,5-2 on described disc type shower 6, the liquid re-distributor 5, described downtake top is provided with slot 6-3,5-3, and the described downtake lower port that is positioned on the liquid re-distributor is castellated edge 5-4.
The above-mentioned device that utilizes the Produce Reagent reagent benzene, described filler 7 is separately positioned on disc type shower bottom and liquid re-distributor bottom, filler is made of multilayer stainless steel wave card, each layer stainless steel wave card is vertically arranged, stainless steel wave card orientation between adjacent layers interlace 90 the degree, described packed height is 4.8～5.2 meters.
The above-mentioned device that utilizes the Produce Reagent reagent benzene, the described downtake 6-2 lower surface that is positioned on the disc type shower are provided with 30 degree inclination angles, and inclination angle 6-4 direction is towards the rectifying tower central axis.
The above-mentioned device that utilizes the Produce Reagent reagent benzene, the slot number on the described liquid re-distributor downtake 5-2 is four; Slot number on the disc type shower on the downtake 6-2 is two.
The utility model pin does not reach the problem that reagent benzene requires with the coking benzene purity of existing installation production and residue on evaporation and improves, it improves main points and is embodied in the interior several aspects such as shower, redistributor and filler of rectifying tower, its characteristics are as follows: 1. the demand that spray is counted, the smooth and easy runner that provides for gas-liquid two-phase simultaneously can be provided in the preparation of the downtake of shower and redistributor.2. downtake top is provided with slot and can reduces the susceptibility of levelness is installed, and can also increase spillway discharge, and the upflow tube riser bottom that is positioned at redistributor is provided with the profile of tooth breach, can effectively prevent the liquid bias current, improves separation performance.3. become dumped packing and be the stainless steel corrugated plate regular packing, make filling-material structure well-balanced, bed voidage is higher, over-all properties is far above dumped packing and tray column, separation efficiency improves about 10 times, reach the requirement of accurate separation and vacuum operating, and have series of advantages such as pressure drop is low, treatment capacity is big, liquid holdup is little, scale effect is not obvious, turndown ratio is big.The utility model possesses the equipment condition that uses the Produce Reagent reagent benzene after above-mentioned improvement, test shows, the utility model is that 99.0% carbonization benezene is the reagent benzene of raw material production with hydrofining content, every index is better than national standard, reach domestic like product top standard, solved the difficult problem of Produce Reagent reagent benzene, the reagent benzene that has high added value for coal chemical enterprise production has been opened up a new road.The utility model can also be used to utilize coking toluene to produce reagent toluene.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a disc type shower structural representation;
The vertical view of Fig. 3 Fig. 2;
Fig. 4 is the liquid re-distributor structural representation;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the synoptic diagram of individual layer waved plate; (not in scale)
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the left view of Fig. 6.
Each parts label is as follows among the figure: number in the figure is expressed as follows: 1. steam heater; 2. still kettle; 3. rectifying tower; 4. waved plate; 5. liquid re-distributor; 5-1. distribute awl; 5-2. the downtake on the liquid re-distributor; 5-3. downtake slot on the liquid re-distributor; 5-4. castellated edge; 6. disc type shower; 6-1. center steel pipe; 6-2. downtake; 6-3. slot; 6-4. downtake inclination angle; 7. filler; 8. condensate cooler; 9. backflash; 10. reflux pump; 11. products export; 12. residue pump.
Embodiment
Referring to Fig. 1, comprise still kettle 2, rectifying tower 3, condensate cooler 8 and backflash 9 in the formation of the present utility model, rectifying tower is arranged on still kettle top, be communicated with by pipeline between rectifying tower and condensate cooler, condensate cooler and backflash, backflash and the still kettle, be connected reflux pump 10 on the pipeline between backflash and the still kettle.For satisfying the requirement of producing reagent benzene, the utility model improves the rectifying tower internal structure.Referring to Fig. 2, Fig. 3, rectifier is provided with disc type shower 6, and uniform downtake 6-2, center are provided with center steel pipe 6-1 on the disc type shower.For reducing gas rising resistance, reduce the susceptibility of levelness is installed, downtake top is symmetrical arranged two slot 6-3, and slot is of a size of 4 millimeters of groove widths, 32 millimeters of groove depths.For increasing flow area, the downtake lower surface is provided with inclination angle 6-4, and the inclination angle is 30 degree, concentrates to the rectifying tower center for making liquid, and inclination direction is towards the rectifying tower central axis.In the rectifying, withdrawing fluid is introduced into the center steel pipe 6-1 of disc type shower, in the overflow of disc type shower bottom after downtake evenly spread on the filler.
Referring to Fig. 4, Fig. 5, the rectifying tower middle part is provided with liquid distributor 5, and uniform downtake 5-2 on the liquid distributor is symmetrical arranged 4 slot 5-3 on the pipe, 5 millimeters of groove widths, 32 millimeters of groove depths.Liquid distributor downtake lower port is castellated edge 5-4.This design can make through distributing the liquid of boring the 5-1 collection when flowing down through downtake 5-2, can be evenly dirty along castellated edge, avoid bias current, and make liquid distribution even, can also increase spillway discharge.
Referring to Fig. 1, Fig. 6, Fig. 7, Fig. 8, disc type shower bottom and liquid re-distributor bottom are provided with filler 7 in the rectifying tower, and filler is by stacked the forming of multilayer stainless steel wave card, and packed height is 4.8～5.2 meters.Selected stainless steel wave card model is the 250Y type, its specific surface area 250m2/m3, and ripple pitch angle 45 degree are pressed with pin hole on the plate.Every layer of stainless steel wave card vertically arranged, the stainless steel wave card orientation between adjacent layers interlace 90 the degree, the waved plate inclination direction of wall discharges on the contrary.The selected filling-material structure of the utility model is well-balanced, and bed voidage is higher, and over-all properties is far above dumped packing and tray column, and separation efficiency improves about 10 times, is fit to accurate separation requirement.The reasonable preparation of above-mentioned filler discharging modes and packed height can be satisfied the requirement of producing reagent benzene.
Claims (4)
1. device that utilizes the Produce Reagent reagent benzene, comprise still kettle, rectifying tower, condensate cooler and backflash in the formation, be provided with disc type shower, liquid re-distributor and filler in the described rectifying tower, it is characterized in that: described disc type shower (6), liquid re-distributor (5) are gone up uniform downtake (6-2,5-2), described downtake top is provided with slot (6-3,5-3), and the described downtake lower port that is positioned on the liquid re-distributor is castellated edge (5-4).
2. the device that utilizes the Produce Reagent reagent benzene according to claim 1, it is characterized in that: described filler (7) is separately positioned on disc type shower bottom and liquid re-distributor bottom, filler is made of multilayer stainless steel wave card, each layer stainless steel wave card is vertically arranged, stainless steel wave card orientation between adjacent layers interlace 90 the degree, described packed height is 4.8～5.2 meters.
3. the device that utilizes the Produce Reagent reagent benzene according to claim 2 is characterized in that: described downtake (6-2) lower surface that is positioned on the disc type shower is provided with 30 degree inclination angles, and inclination angle (6-4) direction is towards the rectifying tower central axis.
4. according to claim 1 or the 2 or 3 described devices that utilize the Produce Reagent reagent benzene, it is characterized in that: the gap number on the described liquid re-distributor downtake (5-2) is four; Slot number on the downtake on the disc type shower (6-2) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520135620 CN2863792Y (en) | 2005-12-31 | 2005-12-31 | Apparatus using carbonized benzene to preparing reagent benzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520135620 CN2863792Y (en) | 2005-12-31 | 2005-12-31 | Apparatus using carbonized benzene to preparing reagent benzene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2863792Y true CN2863792Y (en) | 2007-01-31 |
Family
ID=37676244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520135620 Expired - Lifetime CN2863792Y (en) | 2005-12-31 | 2005-12-31 | Apparatus using carbonized benzene to preparing reagent benzene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2863792Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336789C (en) * | 2005-12-31 | 2007-09-12 | 石家庄焦化集团有限责任公司 | Process and apparatus for producing reagent benzene by coking benzene |
| CN100376518C (en) * | 2005-12-31 | 2008-03-26 | 石家庄焦化集团有限责任公司 | Process and apparatus for producing reagent methylbenzene by coking toluene |
| CN102258879A (en) * | 2011-06-24 | 2011-11-30 | 刘裕秋 | Ceramic liquid distributor |
| CN115785992A (en) * | 2021-09-10 | 2023-03-14 | 中国石油化工股份有限公司 | Startup method of inferior diesel hydrogenation process |
-
2005
- 2005-12-31 CN CN 200520135620 patent/CN2863792Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100336789C (en) * | 2005-12-31 | 2007-09-12 | 石家庄焦化集团有限责任公司 | Process and apparatus for producing reagent benzene by coking benzene |
| CN100376518C (en) * | 2005-12-31 | 2008-03-26 | 石家庄焦化集团有限责任公司 | Process and apparatus for producing reagent methylbenzene by coking toluene |
| CN102258879A (en) * | 2011-06-24 | 2011-11-30 | 刘裕秋 | Ceramic liquid distributor |
| CN102258879B (en) * | 2011-06-24 | 2013-05-01 | 刘裕秋 | Ceramic liquid distributor |
| CN115785992A (en) * | 2021-09-10 | 2023-03-14 | 中国石油化工股份有限公司 | Startup method of inferior diesel hydrogenation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20051231 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |