CN105316019B - Intermittent oxidation device for producing high-softening-point asphalt and using method thereof - Google Patents
Intermittent oxidation device for producing high-softening-point asphalt and using method thereof Download PDFInfo
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- CN105316019B CN105316019B CN201410300840.XA CN201410300840A CN105316019B CN 105316019 B CN105316019 B CN 105316019B CN 201410300840 A CN201410300840 A CN 201410300840A CN 105316019 B CN105316019 B CN 105316019B
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Abstract
The invention discloses an intermittent oxidation device for producing high-softening-point asphalt, which comprises: the air purifier comprises an air oxidation reactor, a filter, an asphalt receiver, a gas purifier, a recoverer and a vacuum pump, wherein the filter is arranged at the bottom of the air oxidation reactor, the asphalt receiver is arranged at the bottom of the filter, the gas purifier is simultaneously connected with the air oxidation reactor and the asphalt receiver through pipelines, the recoverer is connected with the air purifier through two pipelines, one end of the vacuum pump is connected with the recoverer through a pipeline, and the other end of the vacuum pump is connected with a discharge pipeline. The invention solves the problems of odor during discharging and uneven distribution of air in the device during oxidation, thus meeting the requirements of research and carbon materials needing small batches of raw materials, simultaneously providing more detailed oxidation parameters for industrial continuous devices and reducing unnecessary investment of some industrial continuous devices.
Description
Technical field
The present invention relates to pitch chemical field, specially a kind of intermittent oxidation device producing high softening point bitumen and its
Application method.
Background technology
High softening-point oxidized asphalt can be applicable to the necks such as the various aspects of Carbon Materials, such as carbon fiber, Carbon foam, hard charcoal
Domain, the present domestic patent in terms of high softening point bitumen have 31, and be related to device has one, mainly industrialized company
Continuous device, for study and need small quantities of content of starting materials Carbon Materials intermittent oxidation device almost without.Shandong Jie Fuyi developments
A kind of " preparation facilities of high softening point bitumen " of Chemical Co., Ltd.'s application is a kind of continuous apparatus, including monomer container, institute
It states monomer container and is provided with rabbling mechanism, and the monomer container is vertically disposed at least three sections of heating regions, described every section adds
Thermal region is provided with separate heater；The bottom of the monomer container is provided with inert gas entrance.
The production of high softening point bitumen generally uses mid temperature pitch and modified coal tar pitch as raw material, and temperature is 250~400
DEG C, gauge pressure in -50~-90KPa, air mass flow on demand depending on, the reaction time is generally 3~10h.It is industrial general using company
Continuous makeup, which is set, realizes adjustment to component, the intermittent oxidation device of the Carbon Materials for studying and needing small quantities of content of starting materials, due to
When blowing there are air when smell and oxidation in the device portion be unevenly distributed cause it is seldom using intermittent oxidation device.
Invention content
The present invention intend solve due to bitumen blowing terminates blowing when pernicious gas escape, and after blowing pitch cooling after
Form a hard entirety, air portion's problem unevenly distributed in the device when unfavorable broken and oxidation, through the invention
It meets research and needs the needs of small lot oxidized asphalt raw material, while it is industrialization that can provide more detailed oxygenation parameters
Continuous apparatus uses, and reduces some industrialization unnecessary investments of continuous apparatus.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of intermittent oxidation device producing high softening point bitumen comprising：Air oxidation reaction device, filter, drip
Green receiver, gas purifier, recover and vacuum pump, the filter are arranged in air oxidation reaction device bottom, the drip
In filter bottom, the gas purifier passes through pipe with air oxidation reaction device and pitch receiver simultaneously for green receiver setting
Road connects, and for the recover with air purifier by two piping connections, one end and the recover of the vacuum pump pass through pipe
Road connects, the other end and exclusion piping connection.
Preferably, blender is equipped in the air oxidation reaction device, the agitating paddle includes blender, described
Stirring rod is equipped with upper layer paddle and lower layer's paddle, and the upper layer paddle is in cross, lower layer's paddle setting
Disk on stirring rod is formed with four stirring blades being arranged on the disk.
Preferably, it is additionally provided with air hose on the side wall of the air oxidation reaction blender.
Preferably, the pitch receiver is multi-layer drawer.
Preferably, gas vent valve, the drip are equipped between the air oxidation reaction device and gas purifier
Pipeline between green collector and gas purifier is equipped with gas exhaust valve.
Preferably, the air hose is in fold-line-shaped, is located at the outer of one section of air hose in air oxidation reaction device
Wall is equipped with airport.
A kind of application method of the intermittent oxidation device of production high softening point bitumen as described in the present invention, feature exist
In including the following steps：
A) raw material is fitted into air oxidation reaction device, control pressure in the air oxidation reaction device to -90~-
50kPa is heated to 250~400 DEG C of progress oxidation reactions, while opening gas vent valve, close gas exhaust valve, open vacuum
Pump will be discharged after the purified device of gas and recover of oxidation reaction generation；The product of oxidation reaction is collected after the filter
Into filtering collector,
B) after oxidation reaction, gas vent valve is closed, opens gas exhaust valve, the gas that will be generated in pitch collector
Body is discharged.
There are air when smell and oxidation when being solved due to blowing the beneficial effects of the invention are as follows the present invention in the device
Portion's problem unevenly distributed meets research and needs the needs of the Carbon Materials of small quantities of content of starting materials, while can provide in this way
More detailed oxygenation parameters are that industrialization continuous apparatus uses, and reduce some industrialization unnecessary investments of continuous apparatus.
The application prospect of the present invention is：Oxidized asphalt can be used for producing the novel charcoals such as carbon fiber, Carbon foam, hard charcoal
Material, the raw material industry that band moves up by these Carbon Materials can give current coking industry also by extensive development
The pitch problem of outlet for being badly in need of solving finds direction, to solve the problems, such as the material balance of coking industry, improves the warp of enterprise
Ji benefit.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of intermittent oxidation device producing high softening point bitumen of the present invention；
Fig. 2 is the structural schematic diagram of paddle and lower layer's paddle at the middle and upper levels of the invention；
The structural schematic diagram of air hose in the present invention of the positions Fig. 3；
In figure, 1, air oxidation reaction device；2, filter；3, pitch receiver；4, gas purifier；5, recover；6、
Vacuum pump；7, discharge line；8, air hose；9, blender；11, gas vent valve；31, gas exhaust valve；81, airport；91、
Upper layer paddle；92, lower layer's paddle；921, disk；922, blade.
Specific implementation mode
The present invention is further elaborated with reference to embodiment and attached drawing.
As shown in Figure 1,1 bottom of air oxidation reaction device is equipped with filter 2, the drip of multi-layer drawer is equipped with below filter
Green receiver 3, gas purifier 4 are connected with the pitch receiver 3 of air oxidation reaction device 1 and multi-layer drawer by pipeline simultaneously
It connects, recover 5 is with gas purifier 4 by two piping connections, and one end of vacuum pump 6 and recover 5 are by piping connection, separately
One end is connect with discharge line 7, blender 9 is equipped in air oxidation reaction device 1, blender 9 is by stirring rod, upper layer paddle 91
It is formed with lower layer paddle 92, upper layer paddle 91 is in cross, and as shown in Figure 2 a, lower layer's paddle 92 is by being arranged in stirring rod
On disk 921 and four blades 922 composition for being arranged on disk 921, as shown in 2b, upper layer paddle is using coming into leaves
Piece can smash bubble on a large scale, keep the mixing of air and pitch more uniform；Lower layer's paddle uses disc type cross paddle
Piece can effectively prevent gas and quickly escape, while smashing bubble, upper layer paddle, the size of lower layer's stirring blade, length and
Away from will according to the size and shape of reactor according to design depending on.It is additionally provided with broken line on the side wall of air oxidation reaction device 1
Shape air hose 8, the outer wall for being located at one section of air hose 8 in air oxidation reaction device 1 is equipped with airport 81, as shown in figure 3, empty
The size of tracheae 8 will be depending on reaction requires, that is to say, that " empty depending on the air velocity and flow that reaction requires
An aperture part for tracheae bottom stomata is in pipe, it is therefore an objective to allow the air in air inlet pipe to have certain resistance, keep air uniform
Into reactor ".Air hose in entire reaction process will blowing air always, prevent from blocking, while detachably being overhauled, with
Ensure that next reaction can be smoothed out.Pipeline between air oxidation reaction device 1 and gas purifier 4 goes out equipped with gas
Mouth valve 11, the pipeline between pitch collector 3 and gas purifier 4 are equipped with gas exhaust valve 31.
The application method of the present apparatus is that mid temperature pitch or modified coal tar pitch are added by being manually packed into air oxidation reaction device by electricity
Thermal control temperature program carries out the oxidation of mid temperature pitch, gauge pressure -50Kpa~-90Kpa in air oxidation reaction device, oxidation temperature
250~400 DEG C of degree, air mass flow on demand depending on, the gas purified device of oxidation reactor extraction is discharged after recover, instead
After answering, turn off gas reactor outlet valve, open the gas exhaust valve of pitch receiver, collects discharge high softening point bitumen
The gas generated in the process.
The control flow valve of high softening point bitumen receiver is fitted with filter, filters the char particle generated by overreaction
Son prevents valves from blocking.High softening point bitumen receiver waits for asphaltic base using drawer receivers according to valve controlling flow amount
Originally it is taken away after filling, high softening point bitumen enters next drawer, solves high softening point bitumen in this way and uses original method
Into a big extremely hard entirety is formed in slot or in sink, carry out sizable difficulty to crushed zone.It generates in the process
Gas there is vacuum pump to take away.The effect of vacuum pump is to play the role of adjusting pressure in process of production, is risen after reaction
To the effect for taking out exhaust gas, pollution, the operating environment created are reduced.
The oxidized asphalt prepared using the present invention, can meet lab scale and pilot scale research needs.
It is it is necessary to explanation finally：Above example is served only for making further details of theory to technical scheme of the present invention
It is bright, it should not be understood as limiting the scope of the invention, those skilled in the art's the above according to the present invention is made
Some nonessential modifications and adaptations all belong to the scope of protection of the present invention.
Claims (3)
1. a kind of intermittent oxidation device producing high softening point bitumen, which is characterized in that including：Air oxidation reaction device, mistake
Filter, pitch receiver, gas purifier, recover and vacuum pump, the filter are arranged in air oxidation reaction device bottom,
Pitch receiver setting in filter bottom, the gas purifier simultaneously with air oxidation reaction device and pitch receiver
By piping connection, the recover passes through two piping connections, one end of the vacuum pump and recover with air purifier
By piping connection, the other end is connect with discharge line；It is additionally provided with air hose on the side wall of the air oxidation reaction blender；
The pitch receiver is multi-layer drawer；Gas vent valve is equipped between the air oxidation reaction device and gas purifier,
Pipeline between the pitch collector and gas purifier is equipped with gas exhaust valve；The air hose is in fold-line-shaped, is located at
The outer wall of one section of air hose in air oxidation reaction device is equipped with airport.
2. the intermittent oxidation device of production high softening point bitumen according to claim 1, which is characterized in that the air
Blender is equipped in oxidation reactor, the blender includes stirring rod, and the stirring rod is equipped with upper layer paddle and lower layer
Paddle, the upper layer paddle are in cross, the disk and be arranged described that lower layer's paddle is arranged on stirring rod
Four agitating paddles composition on disk.
3. a kind of application method of the intermittent oxidation device of production high softening point bitumen as described in claim 1, feature
It is, includes the following steps：
A) raw material is fitted into air oxidation reaction device, controls pressure extremely -90~-50kPa in the air oxidation reaction device,
250~400 DEG C of progress oxidation reactions are heated to, while opening gas vent valve, closes gas exhaust valve, opens vacuum pump, it will
It is discharged after the purified device of gas and recover that oxidation reaction generates；The product of oxidation reaction is collected into filtering after the filter
In collector；
B) after oxidation reaction, gas vent valve is closed, opens gas exhaust valve, the gas generated in pitch collector is arranged
Go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300840.XA CN105316019B (en) | 2014-06-27 | 2014-06-27 | Intermittent oxidation device for producing high-softening-point asphalt and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410300840.XA CN105316019B (en) | 2014-06-27 | 2014-06-27 | Intermittent oxidation device for producing high-softening-point asphalt and using method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105316019A CN105316019A (en) | 2016-02-10 |
| CN105316019B true CN105316019B (en) | 2018-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410300840.XA Active CN105316019B (en) | 2014-06-27 | 2014-06-27 | Intermittent oxidation device for producing high-softening-point asphalt and using method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109337707B (en) * | 2018-09-10 | 2020-09-04 | 吉林省高等级公路工程有限责任公司 | Asphalt oxidation treatment process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338137A (en) * | 1981-07-20 | 1982-07-06 | Chevron Research Company | Asphalt composition for air-blowing |
| CN202297489U (en) * | 2011-11-10 | 2012-07-04 | 中国石油化工股份有限公司 | Reactor for producing high-softening-point asphalt oxide |
| CN103805221A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Production method for high-softening point asphalt |
-
2014
- 2014-06-27 CN CN201410300840.XA patent/CN105316019B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4338137A (en) * | 1981-07-20 | 1982-07-06 | Chevron Research Company | Asphalt composition for air-blowing |
| CN202297489U (en) * | 2011-11-10 | 2012-07-04 | 中国石油化工股份有限公司 | Reactor for producing high-softening-point asphalt oxide |
| CN103805221A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Production method for high-softening point asphalt |
Non-Patent Citations (1)
| Title |
|---|
| 煤沥青氧化热聚合工艺的研究;许斌等;《炭素技术》;20031231(第6期);第8-12页 * |
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| CN105316019A (en) | 2016-02-10 |
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Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Material Technology Co., Ltd. Address before: No. 3501 Tongji Road, Baoshan District, Shanghai 201900 Patentee before: Chemical Co., Ltd. of Baoshan Iron and Steel Group, Shanghai |
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Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Technology Co.,Ltd. Address before: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee before: BAOWU CARBON MATERIAL TECHNOLOGY Co.,Ltd. |
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