CN212895772U

CN212895772U - Heat conduction oil device for asphalt heating

Info

Publication number: CN212895772U
Application number: CN202021219843.8U
Authority: CN
Inventors: 郭天学
Original assignee: Shanghai Road Shield Road Materials Co ltd
Current assignee: Shanghai Road Shield Road Materials Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-04-06
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to a conduction oil device for pitch heating, including the conduction oil storage unit and the conduction oil heating unit that is linked together with conduction oil storage unit, conduction oil storage unit includes the conduction oil storage tank and sets up the anti undulant formula conduction oil level monitoring mechanism in the conduction oil storage tank, conduction oil heating unit includes the conduction oil heating furnace and sets up the conduction oil coil pipe in the conduction oil heating furnace, the one end of this conduction oil coil pipe is linked together with the inside of conduction oil storage tank, the other end is equipped with the conduction oil and supplies the oil pipe, be equipped with the conduction oil on the conduction oil storage tank and return the oil. Compared with the prior art, the utility model discloses a set up conduction oil storage tank and anti undulant formula conduction oil liquid level monitoring mechanism, can be through the conduction oil liquid level change in the conduction oil storage tank whether appear the conduction oil leakage problem in the quick judgement pitch heating system to in time remind maintainer to come to handle the leakage problem, avoid causing the incident.

Description

Heat conduction oil device for asphalt heating

Technical Field

The utility model belongs to the technical field of the pitch heating, a conduction oil device for pitch heating is related to.

Background

In the production of asphalt concrete, heating of asphalt is required. At present, heating of asphalt is mostly directly completed in an asphalt heating tank, a heat conduction oil pipe is introduced into the asphalt heating tank, and high-temperature heat conduction oil in the heat conduction oil pipe is utilized to transfer the temperature to the asphalt in the asphalt heating tank, so that the asphalt is heated.

Because the pipeline of whole pitch heating system is longer, and the coupling quantity is numerous, in long-time production process, the condition that the conduction oil leaked at local pipeline can appear sometimes, if can't discover in time that the conduction oil leaked the problem, will cause unfavorable consequence.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conduction oil device for pitch heating exactly, the device can in time discover the conduction oil problem of leaking, has guaranteed production safety.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a conduction oil device for pitch heating, the device include the conduction oil storage unit and with the conduction oil heating unit that conduction oil storage unit is linked together, conduction oil storage unit include the conduction oil storage tank and set up the anti undulant formula conduction oil liquid level monitoring mechanism in the conduction oil storage tank, conduction oil heating unit include the conduction oil heating furnace and set up the conduction oil coil pipe in the conduction oil heating furnace, the one end of this conduction oil coil pipe is linked together with the inside of conduction oil storage tank, the other end is equipped with the conduction oil and supplies the oil pipe, the conduction oil storage tank on be equipped with the conduction oil and return oil pipe.

Further, the device also comprises a controller which is electrically connected with the anti-fluctuation type conduction oil liquid level monitoring mechanism. The controller can be selected as a PLC controller and is used for carrying out overall regulation and control on the device.

Furthermore, a heat-conducting oil communicating pipe is arranged between the heat-conducting oil storage tank and the heat-conducting oil coil pipe, and one end of the heat-conducting oil coil pipe is communicated with the inside of the heat-conducting oil storage tank through the heat-conducting oil communicating pipe.

Furthermore, a heat conduction oil pump is arranged on the heat conduction oil communicating pipe and electrically connected with the controller. And the heat conduction oil pump conveys the heat conduction oil in the heat conduction oil storage tank to the heat conduction oil coil pipe through the heat conduction oil communicating pipe.

Furthermore, anti undulant formula conduction oil liquid level monitoring mechanism include along vertical direction setting at the fixed pipe in the conduction oil storage tank and insert the level gauge of establishing in the fixed pipe, the inside and the outside of fixed pipe be linked together, the level gauge be connected with the controller electricity. The inside and the outside of the fixed pipe are communicated, so that the same liquid level inside and outside the fixed pipe can be ensured; when the liquid level in the heat conduction oil storage tank fluctuates, the fixed pipe can effectively avoid the fluctuation outside the pipe from being transmitted to the inside of the pipe, so that the accurate measurement of the liquid level meter on the liquid level inside the fixed pipe can be ensured.

Preferably, the device further comprises an alarm electrically connected to the controller. When the liquid level of the heat conduction oil continuously drops, the phenomenon of heat conduction oil leakage is shown, at the moment, the liquid level meter feeds back liquid level information to the controller, the controller regulates and controls the alarm to start alarming, and maintenance personnel are reminded to deal with the leakage problem in the future.

Furthermore, the side wall of the fixed pipe is provided with a balance hole, and the inside of the fixed pipe is communicated with the outside of the fixed pipe through the balance hole. The balance hole can be with fixed intraductal outside intercommunication, and then guarantees that fixed intraductal outer liquid level is unanimous.

Furthermore, a plurality of balance holes are arranged, and the balance holes are positioned below the liquid level of the heat conduction oil in the heat conduction oil storage tank. The balance hole enables the heat conduction oil to flow inside and outside the fixed pipe stably, and meanwhile, the balance hole is located below the liquid level of the heat conduction oil in the heat conduction oil storage tank, so that the transmission of the fluctuation of the liquid level in the heat conduction oil storage tank to the inside of the fixed pipe can be isolated. The balance holes can improve the balance speed of the liquid level inside and outside the fixed pipe.

Furthermore, a temperature sensor is arranged on the heat conduction oil supply pipe and electrically connected with the controller. The temperature sensor can monitor the temperature of the heated heat conducting oil in real time to judge whether the production requirements are met.

Furthermore, a burner matched with the heat-conducting oil coil is arranged in the heat-conducting oil heating furnace, and the burner is electrically connected with the controller. The flame of the burner passes through the channel in the middle of the heat conducting oil coil pipe so as to heat the heat conducting oil in the heat conducting oil coil pipe with the maximum efficiency. When the temperature sensor judges that the temperature of the heated heat conducting oil is too high or too low, a signal is sent to the controller, and the controller correspondingly adjusts the flame size of the burner.

Furthermore, the top of the heat conduction oil storage tank is provided with a vent hole.

The utility model discloses when in actual application, conduction oil storage unit is used for depositing the conduction oil, and conduction oil heating unit is arranged in drawing the back heating with the conduction oil in the conduction oil storage unit to finally send to and be used for heating pitch in the pitch heating jar. The heating system comprises a heat conduction oil heating furnace, an oil heating tank, an oil feeding pipe, a heating oil feeding pipe, an oil feeding pipe and an oil feeding pipe, wherein the heat conduction oil heating furnace heats heat conduction oil in a heat conduction oil pan pipe to a required temperature and conveys the heat conduction oil to an asphalt; and the low-temperature heat conduction oil after heat exchange in the asphalt heating tank flows back to the heat conduction oil storage tank again through the heat conduction oil return pipe. The anti-fluctuation type heat conduction oil level monitoring mechanism continuously monitors the heat conduction oil level in the heat conduction oil storage tank, and the heat conduction oil level is stable and unchanged in a normal state; when the heat conduction oil leakage problem occurs in the whole asphalt heating system, the liquid level of the heat conduction oil can be continuously reduced, and the anti-fluctuation type heat conduction oil liquid level monitoring mechanism can monitor the leakage problem. Due to the impact effect of the heat conduction oil flowing back to the heat conduction oil storage tank on the liquid level of the heat conduction oil, the liquid level in the heat conduction oil storage tank can fluctuate, and the fluctuation-resistant heat conduction oil level monitoring mechanism can avoid the interference of fluctuation on liquid level measurement and improve the accuracy of the liquid level measurement.

Compared with the prior art, the utility model has the characteristics of it is following:

1) by arranging the heat conduction oil storage tank and the anti-fluctuation heat conduction oil level monitoring mechanism, whether the heat conduction oil leakage problem occurs in the asphalt heating system can be quickly judged through the heat conduction oil level change in the heat conduction oil storage tank, so that maintenance personnel can be timely reminded of dealing with the leakage problem in the front, and safety accidents are avoided;

2) anti undulant formula conduction oil liquid level monitoring mechanism can enough guarantee that the intraductal liquid level of fixed is the same through the design of fixed pipe and balancing hole, can effectively avoid the undulant transmission outside the tubes to intraductal again, and then guaranteed the level gauge to the accurate measurement of fixed intraduct liquid level, avoid taking place the wrong report problem.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

the notation in the figure is:

the device comprises a heat conducting oil storage tank 1, a heat conducting oil heating furnace 2, a heat conducting oil coil 3, a heat conducting oil supply pipe 4, a heat conducting oil return pipe 5, a heat conducting oil communicating pipe 6, a heat conducting oil pump 7, a fixing pipe 8, a liquid level meter 9, a balance hole 10, a temperature sensor 11, a burner 12 and an air vent 13.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example (b):

a heat conduction oil device for heating asphalt as shown in fig. 1, including heat conduction oil storage unit and the heat conduction oil heating unit that is linked together with heat conduction oil storage unit, heat conduction oil storage unit includes heat conduction oil storage tank 1 and sets up the anti undulant formula heat conduction oil liquid level monitoring mechanism in heat conduction oil storage tank 1, heat conduction oil heating unit includes heat conduction oil heating furnace 2 and sets up the heat conduction oil coil pipe 3 in heat conduction oil heating furnace 2, this heat conduction oil coil pipe 3's one end is linked together with the inside of heat conduction oil storage tank 1, the other end is equipped with the heat conduction oil and supplies oil pipe 4, be equipped with heat conduction oil return. The device also comprises a controller which is electrically connected with the anti-fluctuation type conduction oil liquid level monitoring mechanism.

Wherein, a heat conducting oil communicating pipe 6 is arranged between the heat conducting oil storage tank 1 and the heat conducting oil coil 3, and one end of the heat conducting oil coil 3 is communicated with the inside of the heat conducting oil storage tank 1 through the heat conducting oil communicating pipe 6. The heat conducting oil pump 7 is arranged on the heat conducting oil communicating pipe 6, and the heat conducting oil pump 7 is electrically connected with the controller.

Anti undulant formula conduction oil liquid level monitoring mechanism includes along the fixed pipe 8 of vertical direction setting in conduction oil storage tank 1 and insert the level gauge 9 of establishing in fixed pipe 8, and the inside and the outside of fixed pipe 8 are linked together, and level gauge 9 is connected with the controller electricity. The side wall of the fixed pipe 8 is provided with a balance hole 10, and the inside of the fixed pipe 8 is communicated with the outside of the fixed pipe 8 through the balance hole 10. The balance holes 10 are provided in plurality, and the balance holes 10 are located below the level of the heat transfer oil in the heat transfer oil storage tank 1.

The heat conducting oil supply pipe 4 is provided with a temperature sensor 11, and the temperature sensor 11 is electrically connected with the controller. A burner 12 matched with the heat conducting oil coil 3 is arranged in the heat conducting oil heating furnace 2, and the burner 12 is electrically connected with the controller. The top of the heat conducting oil storage tank 1 is provided with a vent hole 13.

In practical application, the heat-conducting oil heating furnace 2 heats the heat-conducting oil in the heat-conducting oil coil 3 to a required temperature, and the heat-conducting oil is conveyed to the asphalt heating tank through the heat-conducting oil supply pipe 4; the low-temperature heat transfer oil after heat exchange in the asphalt heating tank flows back to the heat transfer oil storage tank 1 again through the heat transfer oil return pipe 5. The liquid level meter 9 continuously monitors the heat conduction oil liquid level in the heat conduction oil storage tank 1, and the heat conduction oil liquid level is stable and unchangeable in a normal state; when the heat conducting oil leakage problem occurs in the whole asphalt heating system, the liquid level of the heat conducting oil can be continuously reduced, and the liquid level meter 9 can monitor the leakage problem at the moment. Due to the impact effect of the heat conduction oil flowing back into the heat conduction oil storage tank 1 on the liquid level of the heat conduction oil, the liquid level in the heat conduction oil storage tank 1 can fluctuate, the fixed pipe 8 can avoid the interference of the fluctuation on the liquid level measurement in the pipe, and the accuracy of the liquid level measurement is improved.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a conduction oil device for pitch heating, its characterized in that, the device include conduction oil storage unit and the conduction oil heating unit that is linked together with conduction oil storage unit, conduction oil storage unit include conduction oil storage tank (1) and set up anti undulant formula conduction oil liquid level monitoring mechanism in conduction oil storage tank (1), conduction oil heating unit include conduction oil heating furnace (2) and set up conduction oil coil pipe (3) in conduction oil heating furnace (2), the one end of this conduction oil coil pipe (3) is linked together with the inside of conduction oil storage tank (1), the other end is equipped with the conduction oil and supplies oil pipe (4), conduction oil storage tank (1) on be equipped with conduction oil and return oil pipe (5).

2. The apparatus of claim 1, further comprising a controller electrically connected to the anti-surge thermal oil level monitoring mechanism.

3. The heat conduction oil device for heating asphalt according to claim 2, wherein a heat conduction oil communicating pipe (6) is arranged between the heat conduction oil storage tank (1) and the heat conduction oil coil (3), and one end of the heat conduction oil coil (3) is communicated with the inside of the heat conduction oil storage tank (1) through the heat conduction oil communicating pipe (6).

4. A heat conduction oil device for asphalt heating according to claim 3, characterized in that the heat conduction oil communicating pipe (6) is provided with a heat conduction oil pump (7), and the heat conduction oil pump (7) is electrically connected with the controller.

5. A thermal oil device for asphalt heating according to claim 2, characterized in that the anti-fluctuation thermal oil level monitoring mechanism comprises a fixed pipe (8) arranged in the thermal oil storage tank (1) along the vertical direction and a level gauge (9) inserted in the fixed pipe (8), the inside and the outside of the fixed pipe (8) are communicated, and the level gauge (9) is electrically connected with the controller.

6. A heat transfer oil device for asphalt heating according to claim 5, wherein the side wall of the fixed pipe (8) is provided with a balance hole (10), and the inside of the fixed pipe (8) is communicated with the outside of the fixed pipe (8) through the balance hole (10).

7. A thermal oil device for asphalt heating according to claim 6, characterized in that a plurality of said balance holes (10) are provided, and said balance holes (10) are located below the level of the thermal oil in the thermal oil storage tank (1).

8. A heat transfer oil device for asphalt heating according to claim 2, characterized in that the heat transfer oil supply pipe (4) is provided with a temperature sensor (11), and the temperature sensor (11) is electrically connected with the controller.

9. A heat transfer oil device for heating asphalt according to claim 8, characterized in that a burner (12) matched with the heat transfer oil coil (3) is arranged in the heat transfer oil heating furnace (2), and the burner (12) is electrically connected with the controller.

10. A heat transfer oil device for heating asphalt according to claim 1, characterized in that the top of the heat transfer oil storage tank (1) is provided with a vent hole (13).