CN203907226U - Asphalt conveying system - Google Patents
Asphalt conveying system Download PDFInfo
- Publication number
- CN203907226U CN203907226U CN201420308191.3U CN201420308191U CN203907226U CN 203907226 U CN203907226 U CN 203907226U CN 201420308191 U CN201420308191 U CN 201420308191U CN 203907226 U CN203907226 U CN 203907226U
- Authority
- CN
- China
- Prior art keywords
- holding vessel
- stop valve
- asphalt
- pitch
- delivery system
- 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
- 239000010426 asphalt Substances 0.000 title claims abstract description 59
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 36
- 239000002641 tar oil Substances 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011295 pitch Substances 0.000 description 43
- 238000002716 delivery method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007600 charging Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
Landscapes
- Working-Up Tar And Pitch (AREA)
Abstract
The utility model discloses an asphalt conveying system. The asphalt conveying system comprises a tar treatment device and an asphalt prilling granulator. The conveying system comprises a first storage tank and a second storage tank, the first storage tank and the second storage tank are connected with the tar treatment device through a first stop valve and a third stop valve respectively, and the first storage tank and the second storage tank are connected with the asphalt prilling granulator through a fourth stop valve and a fifth stop valve respectively. According to the asphalt conveying system, due to the fact that the first storage tank, the second storage tank and a plurality of stop valves are arranged, the two storage tanks can store asphalt alternately and convey asphalt to the asphalt prilling granulator alternately, a centrifugal pump or a screw pump in the prior art is removed, mechanical failures are avoided, and production continuity is guaranteed.
Description
Technical field
The utility model relates to asphalt delivery technology, relates in particular to a kind of asphalt delivery system.
Background technique
Coal tar pitch is the by-product of coking, after tar distillation, remains in the atrament in distillation still, and in coal tar hydrogenating unit, it is the difficult problem that hydrogenation plant faces that produced high softening point bitumen is carried.
In prior art, majority is to carry out the conveying of pitch by centrifugal pump or screw pump,, between tar oil treatment device and pitch prilling granulator, centrifugal pump or screw pump is set that is, and conveyance conduit, the pitch of output in tar oil treatment device is sent to pitch prilling granulator.
But, because asphalt viscosity is large, softening point is high, the as easy as rolling off a log damage that causes mechanical seal or screw rod, thus cause pump fault, pitch cannot be carried, even cause pitch to stop up conveyance conduit.
Model utility content
The utility model provides a kind of asphalt delivery system, to solve the problems of the prior art, reduces the asphalt delivery difficulty causing because of mechanical failure, improves quantity-produced ability.
The utility model provides a kind of asphalt delivery system, comprise tar oil treatment device and pitch prilling granulator, wherein, described transporting system comprises: the first holding vessel and the second holding vessel, described the first holding vessel is connected with tar oil treatment device with the 3rd stop valve by the first stop valve respectively with the second holding vessel, and described the first holding vessel is connected with pitch prilling granulator with the 5th stop valve by the 4th stop valve respectively with the second holding vessel.
Asphalt delivery system as above, wherein, preferably, also comprise: the second stop valve and the 6th stop valve, described the second stop valve is connected with described the first holding vessel, for controlling the connected sum cut-off of described the first holding vessel and atmosphere, described the 6th stop valve is connected with described the second holding vessel, for controlling the connected sum cut-off of described the second holding vessel and atmosphere.
Asphalt delivery system as above, wherein, preferably, also comprise: first flow control valve and second control valve, described first flow control valve is arranged between described the first holding vessel and the second holding vessel and tar oil treatment device, and described second control valve is arranged between described the first holding vessel and the second holding vessel and pitch prilling granulator.
Asphalt delivery system as above, wherein, preferably, also comprises: nitrogen power source, and described nitrogen power source is connected with described the first holding vessel by the 7th stop valve, and described nitrogen power source is connected with described the second holding vessel by the 8th stop valve.
Asphalt delivery system as above, wherein, preferably: on described the first holding vessel and the second holding vessel, be provided with level meter.
Asphalt delivery system as above, wherein, preferably: the nitrogen pressure of described nitrogen power source is 0.7MPa.
Asphalt delivery system as above, wherein, preferably: the material of described the first holding vessel and the second holding vessel is all 15CrMo.
Asphalt delivery system as above, wherein, preferably: in described the first holding vessel and the second holding vessel, be provided with thermal insulation layer.
The asphalt delivery system that the utility model provides is by arranging the first holding vessel and the second holding vessel and multiple stop valve, make two holding vessels alternately store pitch and replace to pitch prilling granulator conveying bitumen, centrifugal pump of the prior art or screw pump are cancelled, avoid mechanical failure, ensured the continuity of producing.
Brief description of the drawings
The asphalt delivery method flow diagram that Fig. 1 provides for the utility model embodiment;
The asphalt delivery system structural representation that Fig. 2 provides for the utility model embodiment.
Embodiment
The asphalt delivery method flow diagram that Fig. 1 provides for the utility model embodiment, the utility model embodiment provides a kind of asphalt delivery method, the asphalt delivery system providing by the utility model embodiment realizes, the asphalt delivery system structural representation that Fig. 2 provides for the utility model embodiment.Please refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of asphalt delivery method, and the method comprises the following steps:
Step a, tar oil treatment device are to conveying bitumen in the first holding vessel.
In the present embodiment, what the conveying of pitch relied on is nitrogen is as power, before the first holding vessel 1 and the second holding vessel 2 come into operation, first two holding vessels carried out to nitrogen replacement, and two holding vessel inside are normally being produced in atmospheric pressure state.
Wherein, step a specifically comprises:
Step a1, open the first stop valve 3, make tar oil treatment device 4 to conveying bitumen in the first holding vessel 1;
If the air pressure in step a2 the first holding vessel 1 is greater than setting value, open the second stop valve 5, the first holding vessel 1 is communicated with atmosphere.
Step b, in the time that the bitumen level in described the first holding vessel reaches the first setting value, tar oil treatment device stops to the first holding vessel conveying bitumen, now tar oil treatment device is to conveying bitumen in the second holding vessel, and makes described the first holding vessel to pitch prilling granulator conveying bitumen.
Wherein, above-mentioned the first setting value can be 50% of the first holding vessel 1 volume, and those skilled in the art can also adjust this first setting value according to the throughput of the flow velocity of pitch and pitch prilling granulator 6.
Step b specifically comprises:
Step b1, in the time that the bitumen level in described the first holding vessel 1 reaches the first setting value, close the first stop valve 3, tar oil treatment device 4 is stopped to the first holding vessel 1 conveying bitumen, now open the 3rd stop valve 7, tar oil treatment device 4 is to conveying bitumen in the second holding vessel 2, and open the 4th stop valve 8, make the first holding vessel 1 to pitch prilling granulator 6 conveying bitumens;
Step b2, when the first holding vessel 1 is after pitch prilling granulator 6 conveying bitumens, open the second stop valve 5, the first holding vessel 1 is communicated with atmosphere, thereby in normal pressure;
Step b3, close the second stop valve 5, make the first holding vessel 1 in dormant state.
Step c, in the time that the bitumen level in described the second holding vessel 2 reaches the second setting value, tar oil treatment device 4 stops to the second holding vessel 2 conveying bitumens, now tar oil treatment device 4 is to conveying bitumen in the first holding vessel 1, and makes described the second holding vessel 2 to pitch prilling granulator 6 conveying bitumens.
The selection of the second setting value is identical with the system of selection of the first setting value, can adjust according to the throughput of the flow velocity of pitch and pitch prilling granulator 6.In the present embodiment, the second setting value is 50% of the second holding vessel 2 volumes.
Step c specifically comprises:
Step c1, in the time that the bitumen level in described the second holding vessel 2 reaches the second setting value, close the 3rd stop valve 7, tar oil treatment device 4 is stopped to the second holding vessel 2 conveying bitumens, now open the first stop valve 3, tar oil treatment device 4 is to conveying bitumen in the first holding vessel 1, and open the 5th stop valve 9, make described the second holding vessel 2 to pitch prilling granulator 6 conveying bitumens;
Step c2, when the second holding vessel 2 is after pitch prilling granulator 6 conveying bitumens, open the 6th stop valve 10, the second holding vessel 2 is communicated with atmosphere, thereby in normal pressure;
Step c3, close the 6th stop valve 10, make the second holding vessel 2 in dormant state.
Preferably, the method also comprises adjusts first flow control valve 11, to control the step of tar oil treatment device 4 to the flow velocity of the first holding vessel 1 or the second holding vessel 2 conveying bitumens, and adjust second control valve 12, to control the first holding vessel 1 or the second holding vessel 2 step to the flow velocity of pitch prilling granulator 6 conveying bitumens.
The utility model embodiment also provides a kind of asphalt delivery system, be used for from tar oil treatment device 4 to pitch prilling granulator 6 conveying bitumens, comprise tar oil treatment device 4 and pitch prilling granulator 6, wherein, described transporting system comprises: the first holding vessel 1 and the second holding vessel 2, described the first holding vessel 1 is connected with tar oil treatment device 4 with the 3rd stop valve 7 by the first stop valve 3 respectively with the second holding vessel 2, and described the first holding vessel 1 is connected with pitch prilling granulator with the 5th stop valve 9 by the 4th stop valve 8 respectively with the second holding vessel 2.
Preferably, this transporting system also comprises the second stop valve 5 and the 6th stop valve 10, described the second stop valve 5 ends with the connected sum of atmosphere for controlling described the first holding vessel 1, and described the 6th stop valve 10 ends with the connected sum of atmosphere for controlling described the second holding vessel 2.
Further, this transporting system also comprises: first flow control valve 11 and second control valve 12, described first flow control valve 11 is arranged between described the first holding vessel 1 and the second holding vessel 2 and tar oil treatment device 4, and described second control valve 12 is arranged between described the first holding vessel 1 and the second holding vessel 2 and pitch prilling granulator 6.
Carry out the working procedure of asphalt delivery below with regard to introducing in detail this asphalt delivery system of application:
Before the bituminous pitch storing tank that comes into operation, close the first stop valve 3, the second stop valve 5, the 3rd stop valve 7, the 6th stop valve 10, first flow control valve 11, open the 7th stop valve 13, the 4th stop valve 8, the 8th stop valve 14, the 5th stop valve 9, second control valve 12 bituminous pitch storing tank is carried out to nitrogen replacement, to be replacedly close nitrogen control valve after qualified, i.e. the 7th stop valve 13 and the 8th stop valve 14, open the second stop valve 5 and the 6th stop valve 10, make two holding vessels after atmospheric pressure state.When the normal production of device, the jacket hot tracing of each pitch pipeline that first comes into operation, is provided with thermal insulation layer in the first holding vessel 1 and the second holding vessel 2, inner pitch is played to the effect of insulation, prevents that pitch is cooling too fast.
If first select the first holding vessel 1 to move, pitch flow to before first flow control valve 11 certainly from tar oil treatment device 4, close the 7th stop valve 13, the 4th stop valve 8, the second stop valve 5, the 3rd stop valve 7, the 8th stop valve 14, the 5th stop valve 9, the 6th stop valve 10 and second control valve 12, open the first stop valve 3, slightly open first flow control valve, assurance device normally moves.During this time, be greater than certain setting value if there is the air pressure in the first holding vessel, that is to say, the phenomenon if the first holding vessel builds the pressure, can slightly open the second stop valve 5, passes into a small amount of atmosphere.
In the time that the liquid level of the first holding vessel reaches 50%, close the first stop valve 3, open the 3rd stop valve 7, pitch suspends to the first holding vessel 1 charging, change into the second holding vessel 2 chargings, now except first flow control valve 11 is slightly opened, the 3rd stop valve 7 standard-sized sheets, other valves are all in closed condition.Now can be to pitch prilling granulator 6 conveying bitumens, standard-sized sheet the 7th stop valve 13 and the 4th stop valve 8, slightly open second control valve 12, for controlling pitch flow velocity, ensures pitch granulation effect.
After treating the asphalt delivery of the first holding vessel 1, close the 7th stop valve 13 and the 4th stop valve 8, open the second stop valve 5, make the first holding vessel 1 in the time of atmospheric pressure state, close the second stop valve 5, the first holding vessels 1 in dormant state.
In the time that the liquid level of the second holding vessel 2 reaches 50%, close the 3rd stop valve 7, open the first stop valve 3, pitch changes into the first holding vessel 1 charging to the second holding vessel 2.During this time, if there is the phenomenon that builds the pressure of the second holding vessel 2, can slightly open the 6th stop valve 10.The pitch of the second holding vessel 2 can outwards be delivered to pitch prilling granulator 6, now valve first flow control valve 11 and second control valve 12 slightly leave, the first stop valve 3 standard-sized sheets, other valves are all in closed condition, standard-sized sheet the 8th stop valve 14 and the 5th stop valve 9, control pitch flow velocity with second control valve 12, ensure that granulation is normal.
Treat to close the 8th stop valve 14 and the 5th stop valve 9 after the asphalt delivery of the second holding vessel 2, open the 6th stop valve 10, the second holding vessels 2 in the time of atmospheric pressure state, close the 6th stop valve 10, the second holding vessels 2 in dormant state.By that analogy, make two holding vessel alternations.The quantity that it will be appreciated by persons skilled in the art that holding vessel can also arrange multiple, and the principle of its alternation is identical with the alternation principle of two holding vessels.
In the above-described embodiments, nitrogen power source is connected with described the first holding vessel 1 by the 7th stop valve 13, and described nitrogen power source is connected with described the second holding vessel 2 by the 8th stop valve 14.Preferably, the nitrogen pressure of nitrogen power source is 0.7MPa, and this force value can make pitch steadily reasonable to the mobile speed of pitch prilling granulator.
Further, the material of the first holding vessel 1 and the second holding vessel 2 is all 15CrMo, and it is corrosion-resistant, and the life-span is long.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment's technological scheme of the utility model.
Claims (8)
1. an asphalt delivery system, comprise tar oil treatment device and pitch prilling granulator, it is characterized in that, described transporting system comprises: the first holding vessel and the second holding vessel, described the first holding vessel is connected with tar oil treatment device with the 3rd stop valve by the first stop valve respectively with the second holding vessel, and described the first holding vessel is connected with pitch prilling granulator with the 5th stop valve by the 4th stop valve respectively with the second holding vessel.
2. asphalt delivery system according to claim 1, it is characterized in that, also comprise: the second stop valve and the 6th stop valve, described the second stop valve is connected with described the first holding vessel, for controlling the connected sum cut-off of described the first holding vessel and atmosphere, described the 6th stop valve is connected with described the second holding vessel, for controlling the connected sum cut-off of described the second holding vessel and atmosphere.
3. asphalt delivery system according to claim 1 and 2, it is characterized in that, also comprise: first flow control valve and second control valve, described first flow control valve is arranged between described the first holding vessel and the second holding vessel and tar oil treatment device, and described second control valve is arranged between described the first holding vessel and the second holding vessel and pitch prilling granulator.
4. asphalt delivery system according to claim 3, it is characterized in that, also comprise: nitrogen power source, described nitrogen power source is connected with described the first holding vessel by the 7th stop valve, and described nitrogen power source is connected with described the second holding vessel by the 8th stop valve.
5. asphalt delivery system according to claim 3, is characterized in that: on described the first holding vessel and the second holding vessel, be provided with level meter.
6. asphalt delivery system according to claim 4, is characterized in that: the nitrogen pressure of described nitrogen power source is 0.7MPa.
7. asphalt delivery system according to claim 3, is characterized in that: the material of described the first holding vessel and the second holding vessel is all 15CrMo.
8. asphalt delivery system according to claim 7, is characterized in that: in described the first holding vessel and the second holding vessel, be provided with thermal insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308191.3U CN203907226U (en) | 2014-06-10 | 2014-06-10 | Asphalt conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308191.3U CN203907226U (en) | 2014-06-10 | 2014-06-10 | Asphalt conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907226U true CN203907226U (en) | 2014-10-29 |
Family
ID=51781504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308191.3U Expired - Lifetime CN203907226U (en) | 2014-06-10 | 2014-06-10 | Asphalt conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019362A (en) * | 2014-06-10 | 2014-09-03 | 中国庆华能源集团有限公司 | Pitch conveying method and system |
-
2014
- 2014-06-10 CN CN201420308191.3U patent/CN203907226U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019362A (en) * | 2014-06-10 | 2014-09-03 | 中国庆华能源集团有限公司 | Pitch conveying method and system |
| CN104019362B (en) * | 2014-06-10 | 2016-11-23 | 中国庆华能源集团有限公司 | Asphalt delivery method and induction system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Xuewei Inventor after: Hu Fengshan Inventor after: Zhang Zhenbing Inventor after: Jin Xiaoyu Inventor after: Gao Shou Inventor after: Liu Xingzheng Inventor before: Hu Fengshan Inventor before: Zhang Zhenbing Inventor before: Jin Xiaoyu Inventor before: Gao Shou Inventor before: Liu Xingzheng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU FENGSHAN ZHANG ZHENBING JIN XIAOYU GAO SHOU LIU XINGZHENG TO: CHEN XUEWEI HU FENGSHAN ZHANG ZHENBING JIN XIAOYU GAO SHOU LIU XINGZHENG |
|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |