CN204625558U - A kind of flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower - Google Patents
A kind of flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower Download PDFInfo
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- CN204625558U CN204625558U CN201520207991.0U CN201520207991U CN204625558U CN 204625558 U CN204625558 U CN 204625558U CN 201520207991 U CN201520207991 U CN 201520207991U CN 204625558 U CN204625558 U CN 204625558U
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Abstract
The utility model relates to a kind of flash distillation and holds the modified pitch production system that warm upgrading held by pressure combination delay tower, comprise raw tar storage tank, dehydration tower and fraction tower, the bottom pitch discharge port of fraction tower is connected to the middle part opening for feed of flash oil tower by pipeline, the bottom discharge mouth of flash oil tower is connected to pitch by pipeline and is detained tower, and the top that the top of flash oil tower and pitch are detained tower is connected, pitch is detained the bottom discharge port of tower and is connected to by pipeline that pitch is high puts groove, and pitch is detained tower and carries out heat supply by electric heating companion device.Modified pitch production system of the present utility model, holds warm polymerization technique by pitch flash separation and laser heating and combines.First flash separation is carried out to pitch, hold temperature through accurate control electrically heated again and carry out heat of oxidation polymerization, obtain target product and be more suitable for the requirement of carbon industry to pitch, particularly possess good cohesiveness when charcoal element compound kneading, after roasting, possess higher coking value.
Description
Technical field
The utility model relates to modified pitch production technical field, is specifically related to a kind of flash distillation and holds the modified pitch production system that warm upgrading held by pressure combination delay tower.
Background technology
Hard pitch and modified pitch take mid-temperature pitch as raw material, obtains through respective handling.Be that the production method of raw material production modified pitch mainly contains oxidation thermal polymerization method, normal pressure thermal polymerization method, pressurization thermal polymerization method, vacuum flashing method etc. with pitch.In existing technique, raw tar is through ultracentrifuge centrifugation, removing coal ash dust, dehydrated tar groove is entered after uncombined carbon and water, the dehydrated tar obtained by raw tar pump extract out with interchanger carry out media for heat exchange to 180 ~ 190 DEG C after enter dehydration tower, obtain dewatering to less than 0.2% anhydrous tar enter tube furnace convection zone and be heated to about 280 DEG C and enter cut tower, due to asphalt component, at high temperature excessively crosslinking polymerization and uneven part of being heated can be mild coking, the pitch of extraction at the bottom of cut tower obtains the mid-temperature pitch product of general quality after anhydrous tar/asphalt exchanger heat exchange, and pitch adopts steam heating in transmission and standing process, the mode that temperature is held in this heating is difficult to meet the requirement that pitch keeps more than 300 DEG C temperature.
Utility model content
The purpose of this utility model is the deficiency for solving the problems of the technologies described above, there is provided a kind of flash distillation to hold pressure and combine the modified pitch production system that warm upgrading held by delay tower, this production system is for once to heat production system, in technological process, only use a tube furnace to heat, energy-saving effect is obvious, pitch flash separation and laser heating is held warm polymerization technique and combines.First flash separation is carried out to pitch, hold temperature through accurate control electrically heated again and carry out heat of oxidation polymerization, obtain target product and be more suitable for the requirement of carbon industry to pitch, particularly possess good cohesiveness when charcoal element compound kneading, after roasting, possess higher coking value.
The utility model is the deficiency solved the problems of the technologies described above, the technical scheme adopted is: a kind of flash distillation is held pressure and combined the modified pitch production system that warm upgrading held by delay tower, comprise raw tar storage tank, dehydration tower and fraction tower, raw tar storage tank is connected to the opening for feed of dehydration tower by pipeline, dehydration tower tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port is back to dehydration tower tower reactor by pitch/anhydrous tar circulation heat exchanger, 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 described 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 the middle part opening for feed of flash oil tower by pipeline, the bottom discharge mouth of flash oil tower is connected to pitch by pipeline and is detained tower, and the top that the top of flash oil tower and pitch are detained tower is connected, the bottom discharge port that described pitch is detained tower is extracted interchanger A out by pitch/anhydrous tar and is connected to that pitch is high puts groove, pitch is detained tower and carries out heat supply by electric heating companion device, electric heating companion device comprises the electric-heating belt and the temperature controlling system that are wrapped in pitch and are detained tower outside.
Pipeline between described raw tar storage tank and dehydration tower is also provided with two contaminated product condensers, washing oil water cooler and washing oil condenser.
Described temperature controlling system comprises the power supply unit that the multiple temperature probe laid along electric-heating belt length direction and the temperature controller that multiple temperature probe all connects connect with electric-heating belt and the temperature controlled switch be serially connected between power supply unit and electric-heating belt in current supply circuit, and temperature controlled switch is undertaken controlling by temperature controller and it connects with temperature controller.
beneficial effect
Modified pitch production system of the present utility model is for once to heat production system, and in technological process, only use a tube furnace to heat, energy-saving effect is obvious, pitch flash separation and laser heating is held warm polymerization technique and combines.First flash separation is carried out to pitch, hold temperature through accurate control electrically heated again and carry out heat of oxidation polymerization, obtain target product and be more suitable for the requirement of carbon industry to pitch, particularly possess good cohesiveness when charcoal element compound kneading, after roasting, possess higher coking value.
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, dehydration tower, 3, fraction tower, 4, tar preheater, 5, pitch/anhydrous tar extracts interchanger A out, 6, pitch/circulation tar heat exchanger, 7, tube furnace, 8, flash oil tower, 9, pitch is detained tower, 10, pitch is high puts groove, and 11, pitch/anhydrous tar extracts interchanger B out.
Embodiment
As shown in the figure: a kind of flash distillation is held pressure and combined the modified pitch production system that warm upgrading held by delay tower, comprise raw tar storage tank 1, dehydration tower 2 and fraction tower 3, raw tar storage tank 1 is connected to the opening for feed of dehydration tower 2 by pipeline, and pipeline between raw tar storage tank 1 and dehydration tower 2 is provided with tar preheater 4(tar preheater 4 only uses when going into operation), the pipeline between raw tar storage tank 1 and dehydration tower 2 is also provided with two contaminated product condensers, washing oil water cooler and washing oil condensate cooler.Dehydration tower 2 tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port is by being back to dehydration tower 2 tower reactor by pitch/anhydrous tar circulation heat exchanger 6, tar outlet port extracts interchanger A5 out by pitch/anhydrous tar and pitch/anhydrous tar extracts the opening for feed that interchanger B11 is connected to fraction tower 3 out, pitch discharge port bottom described fraction tower 3 is extracted interchanger B11 out through pitch/anhydrous tar and is connected with tube furnace 7 with pitch/anhydrous tar circulation heat exchanger 6, the discharge port of tube furnace 7 is connected with two discharge nozzles, wherein a discharge nozzle is by bottom piping loop to fraction tower 3, an other discharge nozzle is connected to the middle part opening for feed of flash oil tower 8 by pipeline, the bottom discharge mouth of flash oil tower 8 is connected to pitch by pipeline and is detained tower 9, and the top that the top of flash oil tower 8 and pitch are detained tower 9 is connected, the bottom discharge port that described pitch is detained tower 9 is extracted interchanger A5 out by pitch/anhydrous tar and is connected to that pitch is high puts groove 10, pitch is detained tower 9 and carries out heat supply by electric heating companion device, electric heating companion device comprises the electric-heating belt and the temperature controlling system that are wrapped in pitch and are detained tower 9 outside.Described temperature controlling system comprises the power supply unit that the multiple temperature probe laid along electric-heating belt length direction and the temperature controller that multiple temperature probe all connects connect with electric-heating belt and the temperature controlled switch be serially connected between power supply unit and electric-heating belt in current supply circuit, and temperature controlled switch is undertaken controlling by temperature controller and it connects with temperature controller.
Modified pitch production system of the present utility model, holds warm polymerization technique by pitch flash separation and laser heating and combines.First flash separation is carried out to pitch, hold temperature through accurate control electrically heated again and carry out heat of oxidation polymerization, obtain target product and be more suitable for the requirement of carbon industry to pitch, particularly possess good cohesiveness when charcoal element compound kneading, after roasting, possess higher coking value.
Claims (3)
1. a flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower, comprise raw tar storage tank, dehydration tower and fraction tower, raw tar storage tank is connected to the opening for feed of dehydration tower by pipeline, dehydration tower tower reactor has circulation tar discharge port and tar outlet port, circulation tar discharge port is back to dehydration tower tower reactor by pitch/anhydrous tar circulation heat exchanger, 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, it is characterized in that: the pitch discharge port of described 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 the middle part opening for feed of flash oil tower by pipeline, the bottom discharge mouth of flash oil tower is connected to pitch by pipeline and is detained tower, and the top that the top of flash oil tower and pitch are detained tower is connected, the bottom discharge port that described pitch is detained tower is extracted interchanger A out by pitch/anhydrous tar and is connected to that pitch is high puts groove, pitch is detained tower and carries out heat supply by electric heating companion device, electric heating companion device comprises the electric-heating belt and the temperature controlling system that are wrapped in pitch and are detained tower outside.
2. a kind of flash distillation as claimed in claim 1 is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower, it is characterized in that: the pipeline between described raw tar storage tank and dehydration tower is also provided with two contaminated product condensers, washing oil water cooler and washing oil condenser.
3. a kind of flash distillation as claimed in claim 1 is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower, it is characterized in that: described temperature controlling system comprises the power supply unit that the multiple temperature probe laid along electric-heating belt length direction and the temperature controller that multiple temperature probe all connects connect with electric-heating belt and the temperature controlled switch be serially connected between power supply unit and electric-heating belt in current supply circuit, and temperature controlled switch is undertaken controlling by temperature controller and it connects with temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207991.0U CN204625558U (en) | 2015-04-09 | 2015-04-09 | A kind of flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207991.0U CN204625558U (en) | 2015-04-09 | 2015-04-09 | A kind of flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower |
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| Publication Number | Publication Date |
|---|---|
| CN204625558U true CN204625558U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520207991.0U Active CN204625558U (en) | 2015-04-09 | 2015-04-09 | A kind of flash distillation is held pressure and is combined the modified pitch production system that warm upgrading held by delay tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN204625558U (en) |
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2015
- 2015-04-09 CN CN201520207991.0U patent/CN204625558U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
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. |
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| CP03 | Change of name, title or address |