Liquid asphalt loading system and process based on lifter
阅读说明：本技术 一种基于升降机的液体沥青装车系统及工艺 (Liquid asphalt loading system and process based on lifter ) 是由 杨雪松 于 2019-12-06 设计创作，主要内容包括：本发明涉及沥青生产运输技术领域,尤其涉及一种基于升降机的液体沥青装车系统及工艺。包括沥青储槽、汽车槽车、升降机、地坑、沥青装车管线、槽车尾气管线与放散气总管；沥青储槽通过沥青装车管线与汽车槽车相连,汽车槽车通过槽车尾气管线与放散气总管相连,沥青储槽与放散气总管相连；升降机安装在地坑内,汽车槽车安装在升降机上,装车时升降机带动汽车槽车降低到地坪以下,装车完成后升降机带动汽车槽车升高至地坪。装车时液体沥青通过自流的方式流入汽车槽车,装车完成后管道残留的沥青按斜度全部放空到汽车槽车,装车完成后,液压升降机把槽车提升到地坪高度开走,完成汽车槽车的装车。无需液体沥青装车泵,无需维护,解决了恼人的维护保养问题,节省人力资源。(The invention relates to the technical field of asphalt production and transportation, in particular to a liquid asphalt loading system and process based on a lifter. Comprises an asphalt storage tank, an automobile tank car, a lifter, a pit, an asphalt loading pipeline, a tank car tail gas pipeline and a main diffused gas pipe; the asphalt storage tank is connected with the automobile tank wagon through an asphalt loading pipeline, the automobile tank wagon is connected with the main diffusing gas pipe through an exhaust gas pipeline of the tank wagon, and the asphalt storage tank is connected with the main diffusing gas pipe; the lifter is installed in the pit, and the car tank wagon is installed on the lifter, and the lifter drives the car tank wagon and reduces below the terrace during loading, and the lifter drives the car tank wagon and rises to the terrace after the loading is accomplished. When loading, the liquid asphalt flows into the automobile tank wagon in a self-flowing mode, the residual asphalt in the pipeline is completely discharged to the automobile tank wagon according to the inclination after loading is finished, and after loading is finished, the hydraulic elevator lifts the tank wagon to the height of the terrace to drive away, so that loading of the automobile tank wagon is finished. The liquid asphalt loading pump is not needed, the maintenance is not needed, the annoying maintenance problem is solved, and the manpower resource is saved.)
1. The utility model provides a liquid asphalt loading system based on lift which characterized in that: comprises an asphalt storage tank, an automobile tank car, a lifter, a pit, an asphalt loading pipeline, a tank car tail gas pipeline and a main diffused gas pipe; the asphalt storage tank is connected with the automobile tank wagon through an asphalt loading pipeline, the automobile tank wagon is connected with the main diffusing gas pipe through an exhaust gas pipeline of the tank wagon, and the asphalt storage tank is connected with the main diffusing gas pipe; the lifter is installed in the pit, and the car tank wagon is installed on the lifter, and the lifter drives the car tank wagon and reduces below the terrace during loading, and the lifter drives the car tank wagon and rises to the terrace after the loading is accomplished.
2. The lift-based liquid asphalt loading system of claim 1, further comprising an automobile tank car loading arm, wherein the automobile tank car loading arm is provided with a tank car sealing cover, and the tank car sealing cover is provided with a liquid level interlock alarm instrument.
3. The elevator-based liquid asphalt loading system according to claim 1, wherein the asphalt loading pipeline is provided with a flow record accumulation interlock meter.
4. The lift-based liquid asphalt loading system according to claim 1, wherein an asphalt loading solenoid valve is arranged on the asphalt loading pipeline, and a tank car tail gas solenoid valve is arranged on the tank car tail gas pipeline.
5. The lift-based liquid asphalt truck-loading system according to claim 1, wherein said lift is a hydraulic lift.
6. The loading process based on the system of any one of claims 1 to 5 is characterized by comprising the following steps:
1) the method comprises the following steps that (1) when an automobile tank car is positioned on an automobile tank car, the automobile tank car is accurately driven to a specified position of a hydraulic lifter, the hydraulic lifter is started, the automobile tank car begins to descend along with a lifting platform of the hydraulic lifter, the hydraulic lifter is stopped after the automobile tank car descends to a specified height, and the automobile tank car is confirmed to be in place and is ready for loading;
2) loading, inserting a charging pipe of an automobile charging arm into the bottom of a tank car from a charging port of the tank car, enabling the charging arm to pneumatically lock a sealing cover of the tank car, opening a tail gas electromagnetic valve of the tank car, enabling an tail gas pipeline of the automobile tank car and a main discharge pipe of an asphalt storage tank to be in a communicated state, namely, basically in a normal pressure state, opening an asphalt loading electromagnetic valve, discharging liquid asphalt to be loaded from the asphalt storage tank, conveying the liquid asphalt to the automobile charging arm in a self-flowing mode, conveying the liquid asphalt to the automobile tank car through the charging pipe inserted into the bottom of the tank car by the automobile charging arm, discharging tank car tail gas to the main discharge pipe through the tail gas pipeline of the tank car connected with the exhaust pipe of the sealing cover of the tank car, and when a liquid level interlocking alarm instrument arranged on the sealing cover of the automobile charging arm displays that the liquid asphalt input into the automobile tank car reaches a high loading liquid level limit, or after a flow recording and accumulating interlocking instrument on, closing electromagnetic valves on an asphalt loading pipeline and a tank car tail gas pipeline, removing an automobile loading arm, locking a sealing cover of the automobile tank car, and finishing loading;
3) starting the hydraulic lifter at the lower position of the automobile tank car, enabling the automobile tank car to start to ascend along with the lifting platform of the hydraulic lifter, stopping the hydraulic lifter after the automobile tank car ascends to the height of the terrace, and starting the automobile tank car out of the lifting platform of the hydraulic lifter to prepare for next loading.
Technical Field
The invention relates to the technical field of asphalt production and transportation, in particular to a liquid asphalt loading system and process based on a lifter.
Background
About 50 to 60 percent of medium temperature pitch is generally generated in the coal tar processing process, belongs to a bulk product of tar processing, and modified pitch is a main downstream product of the current medium temperature pitch and is mainly used for producing prebaked anodes in the electrolytic aluminum industry and preparing battery rods or electrode binders.
The medium temperature asphalt and modified asphalt products produced in China are generally sold mainly in a solid mode of asphalt solidification, cooling and molding and are sold secondarily in a mode of liquid automobile tank car loading, and because the yield of tar is huge every year in China, for example 2016, the yield of tar is 1500 ten thousand tons and the yield of asphalt is over 800 ten thousand tons, the sales volume of the asphalt products is huge, and the sales mode of the asphalt is very important.
The solid mode of asphalt solidification and cooling molding is adopted for sale, a turbid circulating water system, an asphalt cooling molding system and a solid asphalt storage warehouse need to be built, the investment is large, the operation cost is high, the occupied area is wide, and the asphalt molding tail gas can cause environmental pollution; and the method of adopting liquid car tank car loading to sell liquid asphalt has low investment, small occupied area, low running cost and reasonable process design, can realize complete tail gas recovery, does not cause environmental pollution, is a very efficient and environment-friendly selling method, why does not adopt the selling method in large quantity?
The present liquid asphalt adopted car tank car loading process is characterized by that the asphalt stored in liquid asphalt storage tank is pumped into car charging arm by means of liquid asphalt loading pump, the car charging arm can insert the pipeline carried by charging arm into the car charging arm from top, and the liquid asphalt can be fed into car tank car by means of car charging arm, and the key equipment of said whole process is liquid asphalt loading pump, and the liquid asphalt contains solid suspended matter of polymer, etc. due to the characteristics of liquid asphalt, and its viscosity of liquid asphalt is high, and is easy to solidify, softening point is up to above 105 deg.C, and the liquid asphalt loading pump is easy to be blocked, so that the car tank car loading process of liquid asphalt is intermittent operation, after every car loading operation, the asphalt pipeline can be cleaned and cleaned, but the cleaning and maintenance of liquid asphalt loading pump are very complex, and the liquid asphalt loading pump is frequently required to introduce equipment, so that it is very expensive and its maintenance cost is high, so that the car tank car loading of liquid asphalt does not become, mainly has the defects of process design, complex and troublesome operation and imperfect technology of loading the liquid asphalt into the truck pump.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a liquid asphalt loading system and process based on a lifter, a liquid asphalt loading pump is not needed, the whole automobile tank car loading process can be simply and smoothly operated during loading operation each time under the condition of intermittent operation, complex equipment and complex maintenance are not needed, and the operation is simple and convenient.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid asphalt loading system based on a lifter comprises an asphalt storage tank, an automobile tank car, the lifter, a pit, an asphalt loading pipeline, a tank car tail gas pipeline and a main diffusion gas pipe; the asphalt storage tank is connected with the automobile tank wagon through an asphalt loading pipeline, the automobile tank wagon is connected with the main diffusing gas pipe through an exhaust gas pipeline of the tank wagon, and the asphalt storage tank is connected with the main diffusing gas pipe; the lifter is installed in the pit, and the car tank wagon is installed on the lifter, and the lifter drives the car tank wagon and reduces below the terrace during loading, and the lifter drives the car tank wagon and rises to the terrace after the loading is accomplished.
The device also comprises an automobile tank car loading arm, wherein the automobile tank car loading arm is provided with a tank car sealing cover, and a liquid level interlocking alarm instrument is arranged on the tank car sealing cover.
The asphalt loading pipeline is provided with a flow recording and accumulating interlocking instrument.
And an asphalt loading electromagnetic valve is arranged on the asphalt loading pipeline, and a tank car tail gas electromagnetic valve is arranged on the tank car tail gas pipeline.
The lifter is a hydraulic lifter.
The liquid asphalt loading process specifically comprises the following steps:
1) the method comprises the following steps that (1) when an automobile tank car is positioned on an automobile tank car, the automobile tank car is accurately driven to a specified position of a hydraulic lifter, the hydraulic lifter is started, the automobile tank car begins to descend along with a lifting platform of the hydraulic lifter, the hydraulic lifter is stopped after the automobile tank car descends to a specified height, and the automobile tank car is confirmed to be in place and is ready for loading;
2) loading, inserting a charging pipe of an automobile charging arm into the bottom of a tank car from a charging port of the tank car, enabling the charging arm to pneumatically lock a sealing cover of the tank car, opening a tail gas electromagnetic valve of the tank car, enabling an tail gas pipeline of the automobile tank car and a main discharge pipe of an asphalt storage tank to be in a communicated state, namely, basically in a normal pressure state, opening an asphalt loading electromagnetic valve, discharging liquid asphalt to be loaded from the asphalt storage tank, conveying the liquid asphalt to the automobile charging arm in a self-flowing mode, conveying the liquid asphalt to the automobile tank car through the charging pipe inserted into the bottom of the tank car by the automobile charging arm, discharging tank car tail gas to the main discharge pipe through the tail gas pipeline of the tank car connected with the exhaust pipe of the sealing cover of the tank car, and when a liquid level interlocking alarm instrument arranged on the sealing cover of the automobile charging arm displays that the liquid asphalt input into the automobile tank car reaches a high loading liquid level limit, or after a flow recording and accumulating interlocking instrument on, closing electromagnetic valves on an asphalt loading pipeline and a tank car tail gas pipeline, removing an automobile loading arm, locking a sealing cover of the automobile tank car, and finishing loading;
3) starting the hydraulic lifter at the lower position of the automobile tank car, enabling the automobile tank car to start to ascend along with the lifting platform of the hydraulic lifter, stopping the hydraulic lifter after the automobile tank car ascends to the height of the terrace, and starting the automobile tank car out of the lifting platform of the hydraulic lifter to prepare for next loading.
The liquid asphalt comprises modified asphalt or moderate temperature asphalt.
Compared with the prior art, the invention has the beneficial effects that:
1) through set up a hydraulic lift in the pit, make the car tank wagon that needs the loading of liquid, reduce below the terrace from above the terrace, make the pitch storage tank that needs the loading produce a difference in height with the car tank wagon, and regard as power with the difference in height, the liquid pitch that needs the loading, flow in the car tank wagon through the mode of flowing automatically, the loading is accomplished the back, the remaining pitch of pipeline is according to the whole emptions of inclination to the car tank wagon, the loading is accomplished the back, hydraulic lift promotes the tank wagon and highly drives to the terrace, accomplish the loading of car tank wagon. The liquid asphalt loading pump is not needed, the maintenance is not needed, and the annoying maintenance problem is solved.
2) After the scheme of the invention is adopted, full-automatic program loading operation can be carried out, and human resources are saved.
Drawings
FIG. 1 is a schematic diagram of the structure and process of the present invention.
Fig. 2 is a schematic structural view of the automobile tank car and the hydraulic lifter when the automobile tank car is at the level of the ground.
In the figure: 1-asphalt storage tank 2-automobile tank wagon 3-automobile tank wagon charging arm 4-hydraulic lifter 5-asphalt loading pipeline 6-tank wagon tail gas pipeline 7-main diffusion gas pipe 8-asphalt loading electromagnetic valve 9-tank wagon tail gas electromagnetic valve 10-tank wagon sealing cover LSA 01-liquid level interlocking alarm instrument LRQS 01-flow recording accumulation interlocking instrument
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1 and 2, a liquid asphalt loading system based on a lifter comprises an asphalt storage tank 1, an
The loading arm 3 of the automobile tank wagon is provided with a tank wagon sealing cover 10, and the tank wagon sealing cover 10 is provided with a liquid level interlocking alarm instrument LSA 01. The asphalt loading pipeline 5 is provided with a flow recording accumulation interlocking instrument LRQS01 for measuring the high limit H. An asphalt loading electromagnetic valve 8 is arranged on the asphalt loading pipeline 5, and a tank car tail gas electromagnetic valve 9 is arranged on the tank car tail gas pipeline 6.
Firstly, a pit is arranged near a loading arm 3 of an automobile tank car, a
The loading arm 3 of the car tank car is provided with a charging pipe, an exhaust pipe and a tank car sealing cover 10, wherein the charging pipe and the exhaust pipe penetrate through the sealing cover and are inserted into the car side by side, the exhaust pipe only penetrates through the sealing cover a little bit, the charging pipe needs to penetrate into the bottom of the tank car, and the sealing cover is also provided with a liquid level measuring probe.
Before loading begins, a tank car tail gas electromagnetic valve 9 is opened, a tank car tail gas pipeline 6 and a main diffusing gas pipe 7 of an asphalt storage tank are in a communicated state, namely, the tank car tail gas pipeline is basically in a normal pressure state, an asphalt loading electromagnetic valve 8 is opened, liquid asphalt needing loading is discharged from the asphalt storage tank, the liquid asphalt is conveyed to an automobile loading arm 3 through an asphalt loading pipeline 5 in a self-flowing mode, the automobile loading arm 3 is inserted into a loading pipe at the bottom of a tank car and is conveyed into the
When the liquid level interlocking alarm instrument LRS01 arranged on the tank car sealing cover of the car loading arm 3 displays that liquid asphalt input into the car tank car reaches the loading liquid level high limit H, or after the flow record accumulation interlocking instrument LRQS01 on the liquid asphalt loading pipeline 5 reaches the loading accumulated value, the electromagnetic valves on the asphalt loading pipeline 5 and the tank car tail gas pipeline 6 are closed, the car loading arm 3 is removed, the sealing cover of the car tank car is locked, the car loading is finished, the
The liquid asphalt loading process specifically comprises the following steps:
1) on the automobile tank car, the
2) Loading, inserting a charging pipe of an automobile charging arm 3 into the bottom of a tank car from a charging port of the automobile tank car, enabling the charging arm to pneumatically lock a tank car sealing cover 10, opening a tank car tail gas electromagnetic valve 9 to enable an automobile tank car tail gas pipeline 6 and a diffusion gas main pipe 7 of an asphalt storage tank to be in a communicated state, namely, basically in a normal pressure state, opening an asphalt loading electromagnetic valve 8, delivering liquid asphalt to be loaded from an asphalt storage tank 1 to the automobile charging arm 3 through an asphalt loading pipeline 5 in a self-flowing mode, delivering the liquid asphalt to the automobile tank car through a charging pipe inserted into the bottom of the tank car by the automobile charging arm 3, discharging tank car tail gas to the diffusion gas main pipe 7 through the tank car tail gas pipeline 6 connected with an exhaust pipe of the tank car sealing cover, when a liquid level interlocking alarm instrument LSA01 arranged on the tank car sealing cover 10 of the automobile charging arm 3 displays that the liquid asphalt input into the automobile tank car reaches a loading liquid level high limit H, or after the flow record accumulation interlocking instrument LRQS01 on the liquid asphalt loading pipeline 5 reaches the loading accumulation numerical value, the electromagnetic valves 8 and 9 on the asphalt loading pipeline 5 and the tank car tail gas pipeline 6 are closed, the 3 arms of the automobile loading are removed, the sealing cover of the automobile tank car is locked, and the loading is finished.
3) And (3) starting the
The liquid asphalt comprises modified asphalt or moderate temperature asphalt.
According to the invention, the
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
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