CN209378482U - Needle-shape coke raw material purifying plant - Google Patents
Needle-shape coke raw material purifying plant Download PDFInfo
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- CN209378482U CN209378482U CN201821991067.6U CN201821991067U CN209378482U CN 209378482 U CN209378482 U CN 209378482U CN 201821991067 U CN201821991067 U CN 201821991067U CN 209378482 U CN209378482 U CN 209378482U
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- oil valve
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Abstract
The utility model belongs to chemical industry equipment for purifying field, and in particular to a kind of needle-shape coke raw material purifying plant.The needle-shape coke raw material purifying plant, including 1# destilling tower, 2# destilling tower, heating furnace and flash column, the 2# destilling tower top set tower top discharge port, and tower top discharge port is connected with heat exchanger, and tower top pump is set between tower top discharge port and heat exchanger；The heat exchanger is also connected with flash column, and feedstock line is connected with heat exchanger；The 1# destilling tower tower bottom is connected with 1# quench oil valve group, and 2# destilling tower tower bottom is connected with 2# quench oil valve group, and 1# quench oil valve group is connected with 2# quench oil valve group by pipeline.The utility model improves vacuum degree in tower, improves the deep drawing rate of raw material, avoids the coking of device.
Description
Technical field
The utility model belongs to chemical industry equipment for purifying field, and in particular to a kind of needle-shape coke raw material purifying plant.
Background technique
Needle coke is a kind of high quality carbon kind greatly developed in carbon materials, is production high power ultra high power graphite electrode
Primary raw material.
It is considered below according to 530 DEG C that temperature is extracted in domestic traditional vacuum distillation apparatus design, and destilling tower does not have when design
Tower bottom quench oil circulation process sometimes results in destilling tower after column bottom temperature does not have good control means, column bottom temperature to rise
The accident of bottom coke.The hanging material grade design of boiler tube limits fire box temperature not above 800 DEG C lower than furnace tube material, this
Also it is greatly lowered the deep drawing rate of raw material.Outlet temperature cannot be too high simultaneously, otherwise can generate coking, and deep drawing technique must
So increase destilling tower operation temperature, thus caused by coking, the blocking of tower inner member and since operation temperature improves in destilling tower
It causes the thermal deformation of oil sump tank etc. and requires to solve the problems such as making weld cracking.
Utility model content
In view of the shortcomings of the prior art, being improved the purpose of the utility model is to provide a kind of needle-shape coke raw material purifying plant
Vacuum degree in tower improves the deep drawing rate of raw material, avoids the coking of device.
Needle-shape coke raw material purifying plant described in the utility model, including 1# destilling tower, 2# destilling tower, heating furnace and flash distillation
Tower, the 2# destilling tower top set tower top discharge port, and tower top discharge port is connected with heat exchanger, between tower top discharge port and heat exchanger
If tower top pumps；The heat exchanger is also connected with flash column, and feedstock line is connected with heat exchanger；The 1# destilling tower tower bottom and 1#
Quench oil valve group is connected, and 2# destilling tower tower bottom is connected with 2# quench oil valve group, and 1# quench oil valve group passes through with 2# quench oil valve group
Pipeline is connected.
The flash column is connected with heating furnace.
The heating furnace is connected with 2# destilling tower.
Operation principle and process:
When work, raw material can be directly entered flash column after heat exchanger exchanges heat, and slough after moisture and light component through heating furnace
Heating, then raw material enters 2# destilling tower, and raw material is after being evaporated under reduced pressure in 2# destilling tower, and light component rises, from tower body side
The extraction of tower top discharge port, part light component can not extract out and rise to tower top, this part light component is from the tower top discharge port of tower top through tower
Top pumping goes out, and waste heat is reached charge raw material by heat exchanger, and be equipped with reflux unit.2# destilling tower and 2# quench oil
Valve group is connected, and quench oil is recycled from tower bottom, and 1# quench oil valve group is connected with 2# quench oil valve group, anxious according to needs of production 1#
Quench oil can be delivered to 2# quench oil valve group by cold oil valve group.
Compared with prior art, the beneficial effects of the utility model are as follows:
(1) the utility model uses heat exchanger and gives raw material heating, can eliminate raw material to 230~280 DEG C after heat exchange
Heating stepses before entering flash column, save cost, reduce energy consumption.
(2) load for reducing device tower top, improves vacuum degree, is taken out tower top light component by setting tower top discharge port
Out, tower top temperature falls below 30~50 DEG C by original 80~100 DEG C, and vacuum degree has been increased to by original -95~-96kPa -
98.5~-99.5kPa.
(3) extracting rate of device is increased, tower bottom oil yield is reduced to 10~20% by original 25~30%, increases
The yield of major product, reduces the yield of byproduct.
(4) by increasing 1# and 2# quench oil valve group, and 1# with 2# quench oil valve group is connected, avoids the coking of device
Accident.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1,1# destilling tower；2,1# quench oil valve group；3,2# quench oil valve group；4,2# destilling tower；5, tower top discharges
Mouthful；6, tower top pumps；7, heat exchanger；8, heating furnace；9, flash column；10, feedstock line.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing, but the utility model be not limited to
Lower embodiment.
As shown in Figure 1, the present embodiment includes 1# destilling tower 1,2# destilling tower 4, heating furnace 8 and flash column 9, the 2# distillation
Tower top discharge port 5 is set at the top of tower 4, tower top discharge port 5 is connected with heat exchanger 7, sets tower top between tower top discharge port 5 and heat exchanger 7
Pump 6；The heat exchanger 7 is also connected with flash column 9, and feedstock line 10 is connected with heat exchanger 7；1 tower bottom of 1# destilling tower with
1# quench oil valve group 2 is connected, and 4 tower bottom of 2# destilling tower is connected with 2# quench oil valve group 3,1# quench oil valve group 2 and 2# chilling oil valve
Group 3 is connected by pipeline.
The flash column 9 is connected with heating furnace 8.
The heating furnace 8 is connected with 2# destilling tower 4.
When work, by feedstock line 10, the temperature after the heat exchange of heat exchanger 7 can be directly entered raw material to 260 DEG C
Flash column 9 heats after sloughing moisture and light component through heating furnace 8, and then raw material enters 2# destilling tower 4, former in 2# destilling tower 4
After being evaporated under reduced pressure, light component rises material, extracts out from tower body side tower top discharge port, part light component can not extract out and rise to tower
Top, this part light component are extracted out from the tower top discharge port 5 of tower top through tower top pump 6, and waste heat is reached charging by heat exchanger 7
Raw material, and it is equipped with reflux unit.2# destilling tower 4 is connected with 2# quench oil valve group 3, and quench oil is recycled from tower bottom, 1# quench oil
Valve group 2 is connected with 2# quench oil valve group 3, and quench oil can be delivered to 2# chilling according to needs of production 1# quench oil valve group 2
Oil valve group 3.
Claims (3)
1. a kind of needle-shape coke raw material purifying plant, including 1# destilling tower (1), 2# destilling tower (4), heating furnace (8) and flash column
(9), it is characterised in that: set tower top discharge port (5) at the top of the 2# destilling tower (4), tower top discharge port (5) and heat exchanger (7) phase
Even, tower top pump (6) is set between tower top discharge port (5) and heat exchanger (7)；The heat exchanger (7) is also connected with flash column (9), former
Material feeding line (10) is connected with heat exchanger (7)；1# destilling tower (1) tower bottom is connected with 1# quench oil valve group (2), 2# destilling tower
(4) tower bottom is connected with 2# quench oil valve group (3), and 1# quench oil valve group (2) is connected with 2# quench oil valve group (3) by pipeline.
2. needle-shape coke raw material purifying plant according to claim 1, the flash column (9) is connected with heating furnace (8).
3. needle-shape coke raw material purifying plant according to claim 1, the heating furnace (8) is connected with 2# destilling tower (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991067.6U CN209378482U (en) | 2018-11-29 | 2018-11-29 | Needle-shape coke raw material purifying plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991067.6U CN209378482U (en) | 2018-11-29 | 2018-11-29 | Needle-shape coke raw material purifying plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209378482U true CN209378482U (en) | 2019-09-13 |
Family
ID=67866069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991067.6U Active CN209378482U (en) | 2018-11-29 | 2018-11-29 | Needle-shape coke raw material purifying plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209378482U (en) |
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2018
- 2018-11-29 CN CN201821991067.6U patent/CN209378482U/en active Active
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