CN213378313U - Anti-blocking device for asphalt conveying pipeline - Google Patents

Anti-blocking device for asphalt conveying pipeline Download PDF

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Publication number
CN213378313U
CN213378313U CN202021982414.6U CN202021982414U CN213378313U CN 213378313 U CN213378313 U CN 213378313U CN 202021982414 U CN202021982414 U CN 202021982414U CN 213378313 U CN213378313 U CN 213378313U
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China
Prior art keywords
pipeline
valve
recovery
transmission pipeline
pipe
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CN202021982414.6U
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Chinese (zh)
Inventor
王建芳
姜天凯
欧阳凯
王廷廷
曹连鹏
赵海艇
王旭亮
赵立民
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Shandong Chambroad Logistics Co ltd
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Shandong Chambroad Logistics Co ltd
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Abstract

The utility model relates to a pitch transmission line prevents plug device, including transmission pipeline and pitch holding vessel, both ends are equipped with valve one and valve two respectively about the transmission pipeline, two left transmission pipeline bottoms of valve are fixed with the recovery pipeline, the top of recovery pipeline is equipped with valve three, the recovery pipeline other end is connected with the recovery tank, be equipped with the evacuation pump on the recovery pipeline between valve three and the recovery tank, there is the difference in height between the import of recovery tank and the transmission pipeline, be fixed with the purge tube on the transmission pipeline directly over the recovery pipeline, the purge tube other end is connected to on the transmission pipeline near valve one right side, the middle part of purge tube is equipped with nitrogen gas and advances the pipe, nitrogen gas advances to be equipped with valve four on the pipe. The utility model discloses can directly flow automatically or utilize the evacuation pump to take out the remaining pitch in the transmission pipeline to utilize nitrogen gas to sweep the transmission pipeline, prevent to remain, reduced the potential safety hazard that long-term companion's heat brought. The long-term heating cost is saved. The problem of aging caused by repeated heating of asphalt is prevented.

Description

Anti-blocking device for asphalt conveying pipeline
Technical Field
The utility model relates to a pitch transmission line prevents plug device belongs to pitch and carries technical field.
Background
Asphalt is generally stored in a storage tank, the asphalt can be conveyed to an application position by utilizing a transmission pipeline when in use, some liquid asphalt is generally bound to be stored in the transmission pipeline after the asphalt is conveyed once, the asphalt is solidified after staying in a pipeline for a long time, the transmission pipeline is blocked, and the next use is influenced, so that the conventional transmission pipeline is generally provided with a pipeline heat-insulating layer on the outer part, the solidification is prevented by utilizing the heat tracing in the pipeline heat-insulating layer, but the defect exists, 1, the transmission pipeline needs to be opened for a long time to prevent the asphalt from solidifying and blocking the pipeline, the in-process needs higher energy consumption, 2, the long-term heat tracing has potential safety hazard, and certain difficulty is brought to the later-period maintenance of equipment, 3, the asphalt is easily aged by repeatedly heating the asphalt for a long.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pitch transmission line anti-clogging device solves and puts at present and blocks up device transmission line and need open the heat tracing for a long time and prevent that pitch from solidifying stifled pipe, and the in-process needs higher energy consumption, and there is the potential safety hazard in long-term heat tracing to bring certain degree of difficulty for equipment later maintenance, long-term heat tracing is repeated and is made the ageing problem of pitch for the pitch heating easily.
The utility model relates to a pitch transmission line prevents plug device, including transmission pipeline and pitch holding vessel, both ends are equipped with valve one and valve two respectively about the transmission pipeline, two left transmission pipeline bottoms of valve are fixed with the recovery pipeline, the top of recovery pipeline is equipped with valve three, the recovery pipeline other end is connected with the recovery jar, be equipped with the evacuation pump on the recovery pipeline between valve three and the recovery jar, there is the difference in height between the import of recovery jar and the transmission pipeline, the import of recovery jar is in the below of transmission pipeline, be fixed with the purge tube on the transmission pipeline directly over the recovery pipeline, the purge tube other end is connected to on the transmission pipeline that is close to valve one right side, the middle part of purge tube is equipped with nitrogen gas and advances the pipe, nitrogen gas advances to be equipped with valve four on the pipe.
Preferably, a steam inlet pipe connected with the purging pipe is arranged on one side of the nitrogen inlet pipe, and a valve V is arranged on the steam inlet pipe. The steam inlet pipe can be used as a spare pipeline of a purging pipeline and can be used as purging gas for supplement when the nitrogen amount is insufficient, and in addition, the steam is introduced to melt asphalt in the transmission pipeline so as to prevent residue.
Preferably, the bottom of the left end of the purging pipe is obliquely provided with a baffle plate which is high at the left and low at the right, and the left end of the baffle plate is fixed with the top of the transmission pipeline. The material can be fed to ensure that the purging gas entering the left end of the conveying pipeline enters along the axial direction of the conveying pipeline and the obstruction to asphalt conveying is reduced as much as possible. Of course, the left end of the purging pipe can be set to be inclined to approach air, and the air approaching direction is inclined to approach air from left to right.
Preferably, a quick-change connector is connected between the recovery pipeline and the recovery tank, one end of the quick-change connector is fixed with the recovery pipeline, the other end of the quick-change connector is fixed with a flow guide pipe, a downward bend is arranged at the right end of the flow guide pipe, and the right end of the flow guide pipe extends into the lower part of the recovery tank. Can prevent the asphalt from directly hitting the inner wall of the recovery tank to cause splashing.
The diameter of the transmission pipeline is larger than that of the recovery pipeline, the diameter of the transmission pipeline is 400-450 mm, and the diameter of the recovery pipeline is 80-100 mm.
The utility model discloses, following beneficial effect has:
1) and safety: the recovery tank with the height difference of the transmission pipeline is arranged, residual asphalt in the transmission pipeline can be directly drained automatically or pumped by using an evacuation pump, and the transmission pipeline is purged by using nitrogen, so that the residual asphalt is prevented, and the potential safety hazard caused by long-term heat tracing is reduced.
2) And economy: no heat tracing is needed, and the long-term heating cost is saved.
3) And the problem of aging caused by repeated heating of the asphalt is prevented.
4. And the pipeline maintenance is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1. asphalt storage tank, 2, transmission pipeline, 3, valves I and I, 4, purging pipe, 5, steam inlet pipe, 6, nitrogen inlet pipe, 7, valves V and V, 8, valves IV and IV, 9, valves III and III, 10, valves II and 11, recovery pipeline, 12, evacuation pump, 13, recovery tank, 14 and baffle.
Detailed Description
The present invention will be further described with reference to the following examples.
As shown in fig. 1-2, the utility model discloses an asphalt conveying pipeline anti-clogging device, including transmission pipeline 2 and pitch holding vessel 1, both ends are equipped with valve one 3 and valve two 10 respectively about transmission pipeline 2, the left transmission pipeline 2 bottom of valve two 10 is fixed with recovery pipeline 11, recovery pipeline 11's top is equipped with valve three 9, the recovery pipeline 11 other end is connected with recovery tank 13, be equipped with evacuation pump 12 on the recovery pipeline 11 between valve three 9 and the recovery tank 13, there is the difference in height between the import of recovery tank 13 and the transmission pipeline 2, the import of recovery tank 13 is in the below of transmission pipeline 2, be fixed with purging pipe 4 on the transmission pipeline 2 directly over recovery pipeline 11, the purging pipe 4 other end is connected to on being close to the transmission pipeline 2 on valve one 3 right side, the middle part of purging pipe 4 is equipped with nitrogen gas and advances pipe 6, nitrogen gas advances to be equipped with valve four 8 on the pipe 6.
And a steam inlet pipe 5 connected with the purging pipe 4 is arranged on one side of the nitrogen inlet pipe 6, and a valve five 7 is arranged on the steam inlet pipe 5.
The bottom of the left end of the purging pipe 4 is obliquely provided with a baffle 14 which is high at the left and low at the right, and the left end of the baffle 14 is fixed with the top of the transmission pipeline 2.
A quick-change connector is connected between the recovery pipeline 11 and the recovery tank 13, one end of the quick-change connector is fixed with the recovery pipeline 11, the other end of the quick-change connector is fixed with a flow guide pipe, a downward bend is arranged at the right end of the flow guide pipe, and the right end of the flow guide pipe extends into the lower portion of the recovery tank 13. The diameter of the transfer pipe 2 is greater than that of the recovery pipe 11, the diameter of the transfer pipe 2 is 450 mm, and the diameter of the recovery pipe 11 is 80 mm.
The working process is as follows: when the transmission pipeline 2 is used for conveying asphalt, the first valve 3 and the second valve 10 are opened, the third valve 9, the fourth valve 8 and the fifth valve 7 are closed, the evacuation pump 12 is closed, after the asphalt is conveyed each time, the first valve 3 and the second valve 10 are closed, then the third valve 9 and the evacuation pump 12 are opened, because of height difference, liquid asphalt in the transmission pipeline 2 flows into the recovery pipeline 11 along the way, then the liquid asphalt is pumped into the recovery tank 13 through the evacuation pump 12, after a period of time, the fifth valve 7 is opened, steam enters the transmission pipeline 2, preliminary purging is performed, heat preservation is performed, then the fourth valve 8 is opened, nitrogen enters, residual asphalt in the transmission pipeline 2 is purged, and the purged asphalt liquid enters the recovery pipeline 11 and then enters the recovery tank 13.
The utility model discloses set up and the recovery jar of transmission pipeline difference in height, can directly flow or utilize the evacuation pump to take out the remaining pitch in the transmission pipeline by gravity to utilize nitrogen gas to sweep the transmission pipeline, prevent to remain, reduced the potential safety hazard that long-term companion's heat brought. No heat tracing is needed, and the long-term heating cost is saved. The problem of aging caused by repeated heating of asphalt is prevented. And the pipeline maintenance is convenient.
In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "up", "down", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description of the present invention rather than requiring the present invention to be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

Claims (4)

1. The utility model provides an asphalt transmission pipeline anti-clogging device, includes transmission pipeline (2) and pitch holding vessel (1), and both ends are equipped with valve one (3) and valve two (10) respectively about transmission pipeline (2), its characterized in that: the bottom of the transmission pipeline (2) on the left side of the valve II (10) is fixed with a recovery pipeline (11), the top of the recovery pipeline (11) is provided with a valve III (9), the other end of the recovery pipeline (11) is connected with a recovery tank (13), a vacuumizing pump (12) is arranged on the recovery pipeline (11) between the valve III (9) and the recovery tank (13), a height difference exists between an inlet of the recovery tank (13) and the transmission pipeline (2), an inlet of the recovery tank (13) is located below the transmission pipeline (2), a purging pipe (4) is fixed on the transmission pipeline (2) above the recovery pipeline (11), the other end of the purging pipe (4) is connected to the transmission pipeline (2) on the right side of the valve I (3), the middle part of the purging pipe (4) is provided with a nitrogen inlet pipe (6), and a valve IV (8) is arranged on the nitrogen inlet pipe (6).
2. The asphalt conveying pipeline anti-clogging device according to claim 1, characterized in that: and a steam inlet pipe (5) connected with the purging pipe (4) is arranged on one side of the nitrogen inlet pipe (6), and a valve five (7) is arranged on the steam inlet pipe (5).
3. The asphalt conveying pipeline anti-clogging device according to claim 2, characterized in that: the bottom of the left end of the purging pipe (4) is obliquely provided with a baffle (14) which is high at the left end and low at the right end, and the left end of the baffle (14) is fixed with the top of the transmission pipeline (2).
4. The asphalt conveying pipeline anti-clogging device according to claim 3, characterized in that: a quick-change connector is connected between the recovery pipeline (11) and the recovery tank (13), one end of the quick-change connector is fixed with the recovery pipeline (11), the other end of the quick-change connector is fixed with a flow guide pipe, a downward bend is arranged at the right end of the flow guide pipe, and the right end of the flow guide pipe extends into the lower portion of the recovery tank (13).
CN202021982414.6U 2020-09-11 2020-09-11 Anti-blocking device for asphalt conveying pipeline Active CN213378313U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021982414.6U CN213378313U (en) 2020-09-11 2020-09-11 Anti-blocking device for asphalt conveying pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021982414.6U CN213378313U (en) 2020-09-11 2020-09-11 Anti-blocking device for asphalt conveying pipeline

Publications (1)

Publication Number Publication Date
CN213378313U true CN213378313U (en) 2021-06-08

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Application Number Title Priority Date Filing Date
CN202021982414.6U Active CN213378313U (en) 2020-09-11 2020-09-11 Anti-blocking device for asphalt conveying pipeline

Country Status (1)

Country Link
CN (1) CN213378313U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114620668A (en) * 2022-03-31 2022-06-14 山东京博物流股份有限公司 Anti-blocking device and method for asphalt unloading pump pool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114620668A (en) * 2022-03-31 2022-06-14 山东京博物流股份有限公司 Anti-blocking device and method for asphalt unloading pump pool
CN114620668B (en) * 2022-03-31 2024-03-22 山东京博物流股份有限公司 Asphalt unloading pump pool anti-blocking device and method

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