CN203700278U - Vacuum flash evaporator - Google Patents
Vacuum flash evaporator Download PDFInfo
- Publication number
- CN203700278U CN203700278U CN201420038966.XU CN201420038966U CN203700278U CN 203700278 U CN203700278 U CN 203700278U CN 201420038966 U CN201420038966 U CN 201420038966U CN 203700278 U CN203700278 U CN 203700278U
- Authority
- CN
- China
- Prior art keywords
- feed
- housing
- downtake
- annular
- riser
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 239000011295 pitch Substances 0.000 claims description 57
- 238000007701 flash-distillation Methods 0.000 claims description 24
- 239000011339 hard pitch Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 7
- 239000010426 asphalt Substances 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract 3
- 238000001704 evaporation Methods 0.000 abstract 3
- 239000000470 constituent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000009834 vaporization Methods 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a vacuum flash evaporator.The evaporator comprises a housing, a flash evaporation oil gas outlet and a liquid indicator formed and arranged at the top of the housing, a feed port formed in the middle of one side of the housing, a thermometer arranged below the feed port, a manhole formed on the other side of the housing, a pressure balance port formed below the manhole, a discharge port formed at the bottom of the housing, a feed pipe connected with the feed port, material flow outlets formed at the lower part of the feed pipe, a circular distributor arranged in the housing and below the feed pipe, umbrella caps arranged on annular risers of an annular riser group, and splash discs arranged below annular downcomer of an annular downcomer group, wherein one end of the feed pipe is inserted into the housing; the other end of the feed pipe is connected with a secondary evaporator of a tar processing device via a pipeline; the circular distributor comprises the annular downcomer group, and the annular riser group alternately arrayed with the annular downcomer group; and the flash evaporation oil gas outlet is connected with a flash evaporation oil gas cooler. The evaporator significantly increases all indexes of asphalt, and greatly reduces energy and power consumption.
Description
Technical field
The utility model relates to modified pitch production unit technical field, particularly a kind of vacuum flasher.
Background technology
Modified pitch is the main binding agent of producing Graphite Electrodes, and producing 1 ton of Graphite Electrodes approximately needs the modified pitch of 0.4 ton.And modified pitch can be produced by modifying process mid-temperature pitch.The domestic technique taking mid-temperature pitch as raw material production modified pitch, adopts the method for normal pressure thermopolymerization more, and material asphalt packs in polymeric kettle, carries out polyreaction produce modified pitch by heating.Facts have proved, material asphalt TI value, QI value content directly have influence on the content of TI value in modified pitch, QI value, TI value in material asphalt, QI value are higher, in modified pitch production process, TI value, QI value increase more obvious, therefore the TI value and the QI value that, increase in mid-temperature pitch seem particularly important.Flash distillation plant is one of main common equipment reaching this purpose.
In Chinese patent CN201020114647.4, a kind of upgrading tower for the production of modified pitch and hard pitch is disclosed, comprise an airtight cavity and supporter, on cavity, be provided with material outlet and material inlet, in cavity, be provided with a stock distributor, stock distributor forms by intersecting connected pipeline, and the top of pipeline is split surface, bottom is evenly provided with opening, is provided with one takes out negative pressure Link Port at cavity top.The main drawback that this equipment exists is: opening for feed stretches in cavity too short, easily causes the mid-temperature pitch that viscosity is larger to disperse uneven; Circular distribution device adopts tube shaped, and the dispersion area of mid-temperature pitch is little, when treatment capacity is large, easily causes mid-temperature pitch liquid layer thickness large, affect the volatilization effect of light constituent in mid-temperature pitch, thereby equipment processing ability is limited; By hole, mid-temperature pitch is flowed out, the mid-temperature pitch of outflow is column, is unfavorable for the volatilization of light constituent.
Summary of the invention
The purpose of this utility model is to provide a kind of vacuum flasher, can significantly improve the performance index of modified pitch, shortens the production cycle of product.
Vacuum flasher of the present utility model is achieved in the following ways.
Vacuum flasher of the present utility model, comprise housing, be located at flash distillation oil gas vent and the liquidometer Link Port of this case top, be located at the opening for feed of described housing one middle side part, described opening for feed is connected by pipeline with the second evaporator discharge port of tar processing unit (plant), be located at the thermometer of this opening for feed below, be located at the manhole of described housing opposite side, be located at the pressure balance mouth of this manhole below, be located at the hard pitch discharge port of described housing bottom, insert in described housing one end, the feed-pipe that the other end is connected with described opening for feed, it is characterized in that described feed-pipe is for lengthening feed-pipe, the length of its feed-pipe is 4/5 of diameter of the housing, and be provided with rectangle streams outlet in the bottom of described feed-pipe, be provided with the circular distribution device being connected with described inner walls in the bottom of described feed-pipe,
Described circular distribution device is by annular downtake cohort, and the annular riser cohort of annular downtake cohort alternative arrangement setting forms therewith.
Described annular downtake cohort is by downtake, therewith downtake connect strut member I with form with the liquid sprinkling disc that downtake bottom is connected by strut member I, described downtake is 200～700, described liquid sprinkling disc is lower than downtake bottom 30 mm～70mm, and described liquid sprinkling disc diameter is φ 20 mm-30mm.
Described annular riser cohort is by riser, therewith downtake connect strut member II with form with the umbrella crown that riser pipe top is connected by strut member II, described riser is 60～210, described umbrella crown is higher than riser top 30 mm～70mm, and described umbrella crown diameter is φ 50 mm～80mm.
The diameter of described downtake is φ 20 mm～30mm.
The diameter of described riser is φ 40 mm～70mm.
Described downtake is positioned at the upper surface of circular distribution device, and higher than circular distribution device upper surface 10-30mm, described downtake is positioned at the lower surface of circular distribution device, and lower than circular distribution device lower surface 10-30mm.
The advantage of vacuum flasher of the present utility model is:
Because the opening for feed of the utility model vacuum flasher has adopted lengthening feed-pipe, the bottom of feed-pipe is provided with multiple radially rectangle streams outlets that are arranged in parallel, and below feed-pipe discharge port, be provided with circular distribution device, well solve the problem of skewness on circular distribution device that mid-temperature pitch causes greatly due to flow in the time that opening for feed flows out; On circular distribution device, fall the annular downtake group quantity that liquid uses many, aperture is meeting under the mobile prerequisite of pitch as far as possible littlely, has increased the diffusion area of mid-temperature pitch, has reduced the thickness of liquid film of mid-temperature pitch on sparger, is convenient to the volatilization of light constituent simultaneously; Liquid sprinkling disc below downtake further disperses the mid-temperature pitch flowing down, and has more increased the dispersion area of mid-temperature pitch, has reduced the thickness of liquid film of mid-temperature pitch, makes the volatilization of light constituent become rapider; Umbrella crown and top thereof the structure higher than circular distribution device upper surface is equipped with on annular riser top, can effectively prevent that mid-temperature pitch from flowing out and entering riser while dropping on circular distribution device and cause the not smooth problem of gas that rises from opening for feed; Mid-temperature pitch is by the material outlet of the second evaporator of tar processing unit (plant), directly enter in vacuum flasher by pipeline, utilize the physical thermal of mid-temperature pitch itself to carry out successive flash vaporization as thermal source, do not need second-heating measure, reduced greatly energy and power engineering consumption; In the production process of modified pitch, adopt vacuum flasher of the present utility model, by the flash distillation processing to mid-temperature pitch, can significantly increase the secondary TI value in TI value, QI value and the reaction process in mid-temperature pitch, thereby significantly improve TI value, QI value and the β resin content of finished product modified pitch, strengthen the overall performance of modified pitch.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing of the utility model Fig. 1.
Embodiment
Below in conjunction with brief description of the drawings embodiment of the present utility model.
As depicted in figs. 1 and 2, vacuum flasher of the present utility model, comprise housing 1, be located at flash distillation oil gas vent 10 and the liquidometer Link Port 11 at this housing 1 top, be located at the opening for feed 7 of described housing 1 one middle side parts, described opening for feed 7 is connected with the mid-temperature pitch discharge port of the second evaporator of tar processing unit (plant), be located at the thermometer 6 of these opening for feed 7 belows, be located at the manhole 2 of described housing 1 opposite side, be located at the pressure balance mouth 4 of these manhole 2 belows, be located at the hard pitch discharge port 5 of described housing 1 bottom, insert in described housing 1 one end, the feed-pipe 8 that the other end is connected with described opening for feed 7, it is characterized in that described feed-pipe 8 is for lengthening feed-pipe, its length is 4/5 of housing 1 diameter, and be provided with rectangle streams outlet 9 in the bottom of described feed-pipe 8, described rectangle streams outlet 9 is 5～15, radial parallel is arranged in the bottom of feed-pipe, be provided with the circular distribution device 3 being connected with described inner walls in the bottom of described feed-pipe 8, described circular distribution device 3 is by annular downtake cohort, and the annular riser cohort of annular downtake cohort alternative arrangement setting forms therewith.
The utility model enters the mid-temperature pitch from tar processing unit (plant) second evaporator in housing by opening for feed and feed-pipe gravity flow, utilize the physical thermal of mid-temperature pitch itself to carry out successive flash vaporization as thermal source, its flash distillation oil gas vent 10 is connected with flash oil Gas Cooler, the flash distillation oil gas volatilizing flows into flash oil Gas Cooler through flash distillation oil gas vent 10, after flash oil Gas Cooler is cooling, enters flash oil sealing groove and recycle again; Whole flash vaporization process does not need second-heating measure, has reduced greatly energy and power engineering consumption.
As shown in Figure 2, preferably, annular downtake cohort described in the utility model is formed with the liquid sprinkling disc 3-6 that downtake 3-4 bottom is connected by the strut member I 3-5 being connected with downtake 3-4 with by strut member I 3-5, described downtake 3-4 is 200～700, described liquid sprinkling disc 3-6 is lower than downtake bottom 30 mm～70mm, the diameter of described downtake 3-4 is φ 20 mm～30mm, and described liquid sprinkling disc diameter is φ 20 mm～30mm.
Preferably, annular riser cohort described in the utility model is by riser 3-3, the strut member II 3-2 that riser 3-3 connects therewith and the umbrella crown 3-1 that is arranged on strut member II 3-2 top form, described riser 3-3 is 60～210, and described umbrella crown is higher than riser top 30～70mm; The diameter of described riser 3-3 is φ 40-70mm, and described umbrella crown diameter is φ 50～80mm.
The upper surface that is positioned at circular distribution device of riser 3-3 described in the utility model, and higher than circular distribution device upper surface 10 mm～30mm, described downtake 3-4 is positioned at the lower surface of circular distribution device, and lower than circular distribution device lower surface 10 mm～30mm.
The radical of annular downtake cohort of the present utility model and annular riser cohort can be produced tonnage per year according to processing mid-temperature pitch and decide.
The principle of work of vacuum flasher of the present utility model is:
First utilize vacuum pump by flash distillation oil gas vent 10, vacuum flasher to be vacuumized, make the interior formation vacuum of housing 1, mid-temperature pitch from tar processing unit (plant) second evaporator enters feed-pipe 8 by opening for feed 7, flows on circular distribution device 3 via streams outlet 9.Flow distribution is even rapidly on circular distribution device 3 for mid-temperature pitch, flows out by the downtake 3-4 of annular array, drops on liquid sprinkling disc 3-6 upper, is radial flowing down downwards at liquid sprinkling disc 3-6Shang Zi center.In mid-temperature pitch flow process, because mid-temperature pitch self temperature is higher, the boiling point of light constituent in mid-temperature pitch under negative pressure state far below vacuum flasher in the temperature of mid-temperature pitch self, therefore be able to rapid volatilization, the riser 3-3 of the flash distillation oil gas volatilizing annular array on circular distribution device 3 rises, and is pooled to circular distribution device 3 upper spaces.Pitch after flash distillation flows out through hard pitch discharge port 5, and the flash distillation oil gas volatilizing flows out through flash distillation oil gas vent 10, then after flash oil Gas Cooler is cooling, enters the recycling of flash oil sealing groove.
If during for the production of modified pitch, can be using the hard pitch discharge port 5 of housing 1 bottom as upgrading intermediate pitch discharge port.
The utility model novel structure, rationally distributed, significantly promote the indices of pitch, greatly reduce energy and power engineering consumption.
Example 1: 1.2 ten thousand tons/year of processing mid-temperature pitches
Start vacuum pump, by flash distillation oil gas vent 10, vacuum flasher is vacuumized, make reach-10KPa of the interior vacuum tightness of housing 1, enter feed-pipe 8 from 360 DEG C of mid-temperature pitches of tar processing unit (plant) second evaporator by opening for feed 7, flow on circular distribution device 3 via streams outlet 9.Flow distribution is even rapidly on circular distribution device 3 for mid-temperature pitch, flows out by 200 downtake 3-4 of annular array, drops on liquid sprinkling disc 3-6 upper, is radial flowing down downwards at liquid sprinkling disc 3-6Shang Zi center.Light constituent in pitch volatilizees rapidly, and the flash distillation oil gas volatilizing 60 riser 3-3 of annular array on circular distribution device 3 rise, and are pooled to circular distribution device 3 upper spaces.Hard pitch after flash distillation flows out through hard pitch discharge port 5, and the flash distillation oil gas volatilizing flows out through flash distillation oil gas vent 10, then after flash oil Gas Cooler is cooling, enters the recycling of flash oil sealing groove.
Example 2: 40,000 tons/year of processing mid-temperature pitches
Start vacuum pump, by flash distillation oil gas vent 10, vacuum flasher is vacuumized, make reach-10KPa of the interior vacuum tightness of housing 1, enter feed-pipe 8 from 360 DEG C of mid-temperature pitches of tar processing unit (plant) second evaporator by opening for feed 7, flow on circular distribution device 3 via streams outlet 9.Flow distribution is even rapidly on circular distribution device 3 for mid-temperature pitch, flows out by 700 downtake 3-4 of annular array, drops on liquid sprinkling disc 3-6 upper, is radial flowing down downwards at liquid sprinkling disc 3-6Shang Zi center.Light constituent in pitch volatilizees rapidly, and the flash distillation oil gas volatilizing 210 riser 3-3 of annular array on circular distribution device 3 rise, and are pooled to circular distribution device 3 upper spaces.Hard pitch after flash distillation flows out through hard pitch discharge port 5, and the flash distillation oil gas volatilizing flows out through flash distillation oil gas vent 10, then after flash oil Gas Cooler is cooling, enters the recycling of flash oil sealing groove.
Claims (7)
1. a vacuum flasher, comprise housing, be located at flash distillation oil gas vent and the liquidometer Link Port of this case top, be located at the opening for feed of described housing one middle side part, described opening for feed is connected with the second evaporator mid-temperature pitch discharge port of tar processing unit (plant), be located at the thermometer of this opening for feed below, be located at the manhole of described housing opposite side, be located at the pressure balance mouth of this manhole below, be located at the hard pitch discharge port of described housing bottom, described flash distillation oil gas vent is connected with flash oil Gas Cooler, insert in described housing one end, the feed-pipe that the other end is connected with described opening for feed, it is characterized in that described feed-pipe is for lengthening feed-pipe, the length of its feed-pipe is 4/5 of diameter of the housing, and be provided with rectangle streams outlet in the bottom of described feed-pipe, be provided with the circular distribution device being connected with described inner walls in the bottom of described feed-pipe,
Described circular distribution device is by annular downtake cohort, and the annular riser cohort of annular downtake cohort alternative arrangement setting forms therewith.
2. vacuum flasher according to claim 1, it is characterized in that described annular downtake cohort is formed with the liquid sprinkling disc that downtake bottom is connected by the strut member I being connected with downtake with by strut member I, described downtake is 200～700, described liquid sprinkling disc is lower than downtake bottom 30 mm～70mm, and described liquid sprinkling disc diameter is φ 20 mm～30mm.
3. vacuum flasher according to claim 1, it is characterized in that described annular riser cohort is by riser, the strut member II that riser connects therewith forms with the umbrella crown that is arranged on strut member II top, described riser is 60～210, described umbrella crown is higher than riser top 30 mm～70mm, and described umbrella crown diameter is φ 50 mm～80mm.
4. vacuum flasher according to claim 2, is characterized in that the diameter of described downtake is φ 20 mm～30mm.
5. vacuum flasher according to claim 3, is characterized in that the diameter of described riser is φ 40 mm～70mm.
6. vacuum flasher according to claim 1, is characterized in that described rectangle streams outlet is 5～15, and radial parallel is arranged in the bottom of feed-pipe.
7. vacuum flasher according to claim 1, it is characterized in that described downtake is positioned at the upper surface of circular distribution device, and higher than circular distribution device upper surface 10-30mm, described downtake is positioned at the lower surface of circular distribution device, and lower than circular distribution device lower surface 10-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038966.XU CN203700278U (en) | 2014-01-22 | 2014-01-22 | Vacuum flash evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038966.XU CN203700278U (en) | 2014-01-22 | 2014-01-22 | Vacuum flash evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700278U true CN203700278U (en) | 2014-07-09 |
Family
ID=51050744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420038966.XU Expired - Lifetime CN203700278U (en) | 2014-01-22 | 2014-01-22 | Vacuum flash evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203700278U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941566A (en) * | 2015-06-04 | 2015-09-30 | 安徽瀚洋节能科技有限公司 | High-efficiency liquid distribution disk |
| CN105080464A (en) * | 2014-12-05 | 2015-11-25 | 芜湖三峰节能设备有限公司 | Tower type container high efficiency liquid distribution disc |
-
2014
- 2014-01-22 CN CN201420038966.XU patent/CN203700278U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080464A (en) * | 2014-12-05 | 2015-11-25 | 芜湖三峰节能设备有限公司 | Tower type container high efficiency liquid distribution disc |
| CN104941566A (en) * | 2015-06-04 | 2015-09-30 | 安徽瀚洋节能科技有限公司 | High-efficiency liquid distribution disk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |