CN204625555U - One once heats modified pitch production system - Google Patents
One once heats modified pitch production system Download PDFInfo
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- CN204625555U CN204625555U CN201520207972.8U CN201520207972U CN204625555U CN 204625555 U CN204625555 U CN 204625555U CN 201520207972 U CN201520207972 U CN 201520207972U CN 204625555 U CN204625555 U CN 204625555U
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Abstract
The utility model relates to one and once heats modified pitch production system, comprise raw tar storage tank, ultracentrifuge, dehydration tower, fraction tower and pitch and be detained tower, this production system adopts not alkali addition process, the modified pitch of ultra-low-alkali metal ion can be produced, good product quality, only use a tube furnace to heat in technological process, energy-saving effect is obvious, at the bottom of fraction tower tower, pitch circulating-heating is as thermal source, and what greatly reduce pitch contains naphthalene amount.
Description
Technical field
The utility model relates to coal tar processing technology field, is specifically related to one and once heats modified pitch production system.
Background technology
The chocolate complex mixture that pitch is made up of hydrocarbon polymer and the nonmetal derivative thereof of different molecular weight is in a liquid state, and is a kind of waterproof and dampproof and rot-resistant organic gel gel material.For industry and surfacings etc. such as coating, plastics, rubber.In civil engineering work, pitch is widely used water-proof material and impregnating material, is mainly used in the waterproof of roofing, ground, underground structure, timber, steel anticorrosion.Widely used pavement structure consolidating material in pitch or road engineering, it can build up the bituminous pavement of different structure after proportioning from the mineral material of different composition.The production of domestic modified pitch generally adopts autoclave thermal polymerization process, adds flash oil and return and join after producing modified pitch, warm modified pitch in then obtained.This technique preparation process is complicated, quality product is general, and do not reach export standard, energy consumption is high, contaminate environment.And external technique generally adopts twin furnace bifunctional polymerizable tower process, this technology investment is large, and equipment part is expensive.Above-mentioned production technique all needs to use the thermals source such as coal gas to control temperature of reaction to reactor heating such as reactors in upgrading processes, energy consumption is high, do not meet the development trend of low-carbon economy, and the mode of indirect heating makes heat conduction in reactor uneven, quality product can not get ensureing.
Utility model content
The purpose of this utility model is the deficiency for solving the problems of the technologies described above, one is provided once to heat modified pitch production system, adopt not alkali addition process, in technological process, only use a tube furnace to heat, energy-saving effect is obvious, has energy-conservation, good product quality, equipment corrosion and slows down and invest the advantages such as little.
The utility model is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: one once heats modified pitch production system, comprise raw tar storage tank, ultracentrifuge, dehydration tower, fraction tower and pitch are detained tower, raw tar storage tank is connected with ultracentrifuge by the de-pulp pump of dehydration, ultracentrifuge discharge port is connected to light constituent storage tank and heavy constituent storage tank, light constituent storage tank/heavy constituent storage tank is connected to opening for feed in the middle part of dehydration tower by pipeline, and the pipeline of light constituent storage tank/between heavy constituent storage tank and dehydration tower is provided with tar preheater (using when only going into operation), two contaminated product condensers, washing oil water cooler and washing oil condensate cooler, the light oil vapor outlet of dehydration column overhead connects light oil condensate cooler and water-and-oil separator, the aqueous phase outlet of water-and-oil separator is connected to phenol tank, the light oil of water-and-oil separator exports mutually and is connected to dehydration tower top by light oil reflux pump, dehydration tower tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port is by connecting tar/carbolineum interchanger and pitch/anhydrous tar circulation heat exchanger successively by pipeline, and be connected to dehydration tower tower reactor by reflux pump, tar outlet port extracts interchanger A out by pitch/anhydrous tar and pitch/anhydrous tar extracts the opening for feed that interchanger B is connected to fraction tower out, the pitch discharge port of fraction tower bottom is extracted interchanger B out through pitch/anhydrous tar and is connected with tube furnace with pitch/anhydrous tar circulation heat exchanger, the discharge port of tube furnace is connected with two discharge nozzles, wherein discharge nozzle by piping loop to fraction tower bottom, an other discharge nozzle is connected to pitch by pipeline and is detained tower, the bottom discharge port that pitch is detained tower is extracted interchanger A out by pitch/anhydrous tar and is connected to that pitch is high puts groove.
beneficial effect
Modified pitch production system of the present utility model is for once to heat production system, in technological process, only use a tube furnace to heat, energy-saving effect is obvious, and at the bottom of fraction tower tower, pitch circulating-heating is as thermal source, what greatly reduce pitch contains naphthalene amount, good product quality.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the utility model modified pitch production system;
Reference numeral: 1, raw tar storage tank, 2, ultracentrifuge, 3, dehydration tower, 4, fraction tower, 5, pitch is detained tower, 6, light constituent storage tank, 7, heavy constituent storage tank, 8, tar preheater, 9, two contaminated product condensers, 10, washing oil water cooler, 11, washing oil condensate cooler, 12, light oil condensate cooler, 13, water-and-oil separator, 14, tar/carbolineum interchanger, 15, pitch/anhydrous tar circulation heat exchanger, 16, tube furnace, 17, pitch is high puts groove, 18, carbolineum stripping tower, 19, carbolineum medial launder, 20, mixed triolein water cooler, 21, do not wash mixing part groove, 22, vacuum system, 23, pitch/anhydrous tar extracts interchanger A out, 24, pitch/anhydrous tar extracts interchanger B out.
Embodiment
As shown in the figure: one once heats modified pitch production system, comprise raw tar storage tank 1, ultracentrifuge 2, dehydration tower 3, fraction tower 4 and pitch are detained tower 5, raw tar storage tank 1 is connected with ultracentrifuge 2 by the de-pulp pump of dehydration, ultracentrifuge 2 discharge port is connected to light constituent storage tank 6 and heavy constituent storage tank 7, light constituent storage tank 6/ heavy constituent storage tank 7 is connected to opening for feed in the middle part of dehydration tower 3 by pipeline, and pipeline between light constituent storage tank 6/ heavy constituent storage tank 7 and dehydration tower 3 is provided with tar preheater 8(tar preheater 8 only to go into operation be use), two contaminated product condensers 9, washing oil water cooler 10 and washing oil condensate cooler 11, the light oil vapor outlet of dehydration tower 3 tower top connects light oil condensate cooler 12 and water-and-oil separator 13, the aqueous phase outlet of water-and-oil separator 13 is connected to phenol tank, the light oil of water-and-oil separator 13 exports mutually and is connected to dehydration tower 3 top by light oil reflux pump, dehydration tower 3 tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port is by connecting pitch/anhydrous tar circulation heat exchanger 15 and tar/carbolineum interchanger 14 successively by pipeline, and be connected to dehydration tower 3 tower reactor by reflux pump, tar outlet port extracts interchanger A23 out by pitch/anhydrous tar and pitch/anhydrous tar extracts the opening for feed that interchanger B24 is connected to fraction tower 4 out, pitch discharge port bottom fraction tower 4 is extracted interchanger B24 out through pitch/anhydrous tar and is connected with tube furnace 16 with pitch/anhydrous tar circulation heat exchanger 15, the discharge port of tube furnace 16 is connected with two discharge nozzles, wherein a discharge nozzle is by bottom piping loop to fraction tower 4, an other discharge nozzle is connected to pitch by pipeline and is detained tower 5, the bottom discharge port that pitch is detained tower 5 is extracted interchanger A23 out by pitch/anhydrous tar and is connected to that pitch is high puts groove 17, the side line carbolineum extraction mouth of fraction tower 4 is connected to carbolineum stripping tower 18, the gaseous phase outlet at carbolineum stripping tower 18 top flow to the middle and upper part of fraction tower 4 by back of pipeline, the carbolineum outlet of carbolineum stripping tower 18 is connected to carbolineum medial launder 19 through tar/carbolineum interchanger 14, the mixed oil and gas outlet of fraction tower 4 tower top is connected with washing oil condensate cooler 11, the liquid-phase outlet of washing oil condensate cooler 11 connects washing oil water cooler 10, the washing oil outlet of washing oil water cooler 10 is connected with two discharge nozzles, wherein discharge nozzle is connected to the tower top of fraction tower 4 by reflux pump, after an other discharge nozzle and two mixed liquid pipes collect, enter through mixed triolein water cooler 20 and do not wash mixing part groove 21, the gaseous phase outlet of washing oil condensate cooler 11 is connected to two contaminated product condensers 9, the liquid-phase outlet of two contaminated product condensers 9 is connected to mixed triolein water cooler 20, the gaseous phase outlet of two contaminated product condensers 9 is connected to vacuum system 22 through non-condensable gas condenser.
Modified pitch production system of the present utility model is for once to heat production system, in technological process, only use a tube furnace to heat, energy-saving effect is obvious, dehydration column reboiler utilizes the heat of flash oil and modified pitch to heat, greatly reduce energy consumption, at the bottom of fraction tower tower, pitch circulating-heating is as thermal source, and what greatly reduce pitch contains naphthalene amount, good product quality.
Claims (2)
1. one kind is once heated modified pitch production system, it is characterized in that: comprise raw tar storage tank, ultracentrifuge, dehydration tower, fraction tower and pitch are detained tower, raw tar storage tank is connected with ultracentrifuge by the de-pulp pump of dehydration, ultracentrifuge discharge port is connected to light constituent storage tank and heavy constituent storage tank, light constituent storage tank/heavy constituent storage tank is connected to opening for feed in the middle part of dehydration tower by pipeline, described dehydration tower tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port connects pitch/anhydrous tar circulation heat exchanger and tar/carbolineum interchanger successively by pipeline, and be connected to dehydration tower tower reactor by reflux pump, tar outlet port extracts interchanger A out by pitch/anhydrous tar and pitch/anhydrous tar extracts the opening for feed that interchanger B is connected to fraction tower out, the pitch discharge port of fraction tower bottom is extracted interchanger B out through pitch/anhydrous tar and is connected with tube furnace with pitch/anhydrous tar circulation heat exchanger, the discharge port of tube furnace is connected with two discharge nozzles, wherein discharge nozzle by piping loop to fraction tower bottom, an other discharge nozzle is connected to pitch by pipeline and is detained tower, the bottom discharge port that pitch is detained tower is extracted interchanger A out by pitch/anhydrous tar and is connected to that pitch is high puts groove.
2. one as claimed in claim 1 once heats modified pitch production system, it is characterized in that: described fraction tower is vacuum still.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207972.8U CN204625555U (en) | 2015-04-09 | 2015-04-09 | One once heats modified pitch production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207972.8U CN204625555U (en) | 2015-04-09 | 2015-04-09 | One once heats modified pitch production system |
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| Publication Number | Publication Date |
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| CN204625555U true CN204625555U (en) | 2015-09-09 |
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| CN201520207972.8U Active CN204625555U (en) | 2015-04-09 | 2015-04-09 | One once heats modified pitch production system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462601A (en) * | 2016-01-18 | 2016-04-06 | 上海贯新科技有限公司 | Coal tar distillation and asphalt modification integrated process system |
| CN113150811A (en) * | 2020-01-07 | 2021-07-23 | 上海圣升化工科技有限公司 | Coal tar deep processing technology |
-
2015
- 2015-04-09 CN CN201520207972.8U patent/CN204625555U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105462601A (en) * | 2016-01-18 | 2016-04-06 | 上海贯新科技有限公司 | Coal tar distillation and asphalt modification integrated process system |
| CN113150811A (en) * | 2020-01-07 | 2021-07-23 | 上海圣升化工科技有限公司 | Coal tar deep processing technology |
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Address after: 461700 intersection of Kaiyuan Road and Qizi Road, Ziyun Town, Xiangcheng County, Xuchang City, Henan Province Patentee after: Henan Shoucheng technology new material Co.,Ltd. Address before: 452670 Po Liu Cun, Ziyun Town, Xiangcheng County, Xuchang City, Henan Province Patentee before: HENAN KAITAN NEW MATERIAL Co.,Ltd. |