CN210340777U - Asphalt heating heat exchanger - Google Patents
Asphalt heating heat exchanger Download PDFInfo
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- CN210340777U CN210340777U CN201921030973.4U CN201921030973U CN210340777U CN 210340777 U CN210340777 U CN 210340777U CN 201921030973 U CN201921030973 U CN 201921030973U CN 210340777 U CN210340777 U CN 210340777U
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Abstract
The utility model discloses an asphalt heating heat exchanger, an asphalt pipeline in a heating device is used for conveying asphalt, a heater can heat the asphalt in the asphalt pipeline, and the asphalt pipeline is in a spiral winding structure, so that a heating body of the heater can uniformly heat the asphalt in the asphalt pipeline, the asphalt is heated while being conveyed by the asphalt pipeline, and the heating efficiency of the asphalt can be improved; the plurality of heating devices which are sequentially communicated can heat the asphalt in a temperature increasing mode when the asphalt is heated, so that the phenomenon that the heating effect is influenced due to uneven heating of the asphalt caused by one-time heating is avoided; the temperature regulating device between two adjacent heating devices is used for controlling the on-off of the through pipe between the two adjacent heating devices, so that the asphalt can be uniformly heated to a certain temperature, and if the temperature of the asphalt meets the requirement, the heater controlled by the temperature regulating device is closed; the control of the asphalt temperature in the asphalt pipeline is convenient.
Description
Technical Field
The utility model relates to a modified asphalt processing equipment field especially relates to an asphalt heating heat exchanger.
Background
Before producing modified asphalt, an asphalt substrate needs to be heated and then conveyed to equipment for producing modified asphalt, and the existing asphalt heating mode is generally as follows: let in a jar internal portion with pitch, utilize the heat conduction oil pipe that is located a jar internal portion to heat jar body pitch, this kind of heating method, rate of heating is slow, and pitch is long at jar internal time, and heating efficiency is low, and the rate of heating that is close to heat conduction oil pipe in addition is fast, and pitch rate of heating far away from heat conduction oil pipe is slow, causes jar internal pitch heating temperature inhomogeneous, and the temperature of the control pitch of being not convenient for through heat conduction oil pipe heating moreover.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a pitch heating heat exchanger that can be to pitch even heating, the control pitch temperature of being convenient for, and pitch heating efficiency is high is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the asphalt heating heat exchanger comprises a plurality of heating devices which are sequentially communicated and a temperature regulating device which is arranged between two adjacent heating devices;
the heating device comprises a tank body, a heater and an asphalt pipeline for conveying asphalt; the tank body is hollow and a heat-insulating layer is coated on the wall of the tank body; the heater is fixed at the top of the tank body, and a heating body of the heater is positioned in the middle of the tank body; the asphalt pipeline is positioned in the tank body and is of a spiral winding structure; an inlet at the lower end and an outlet at the upper end of the asphalt pipeline both penetrate through the tank body to the outside, and the inlet and the outlet are both fixed with the tank body;
the outlet of the asphalt pipeline in one heating device is connected with the inlet of the asphalt pipeline in the other heating device by a through pipe; the temperature regulating device comprises a temperature sensor and a controller which are arranged on each through pipe; the signal input end of the controller is connected with the temperature sensor, the signal output end of the controller is connected with the heater, and the controller can control whether the heater is started or not according to the temperature of the asphalt detected by the temperature sensor;
the pitch pipeline is a plurality of riser that vertical and equidistant set up along jar body hoop, the upper and lower both ends of riser all extend to jar external portion, and the riser tip links into a pipeline with the help of the elbow, elbow and riser are fixed with the help of connection structure that can dismantle.
The further technical scheme is as follows: the connecting structure comprises a first flange fixed on the elbow and a second flange fixed on the vertical pipe; the first flange plate is connected with the second flange plate through bolts.
The further technical scheme is as follows: the outlet of the asphalt pipeline is connected with an air pipe communicated with compressed gas, the on-off of the air pipe and the inlet is controlled by a valve, and the inlet of the asphalt pipeline is connected with a discharging pipe communicated with the outside.
The further technical scheme is as follows: the heater is a burner, a heating body of the burner is an air outlet pipe, and the air outlet pipe is positioned in the tank body.
The further technical scheme is as follows: the air outlet pipe end part extends to the bottom of the tank body, a long hole in the vertical direction is formed in the air outlet pipe, and the long hole is formed in the annular air outlet pipe at equal intervals.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the pitch pipeline in the heating device is used for conveying pitch, the heater can heat the pitch in the pitch pipeline, and the pitch pipeline is in a spiral winding structure, so that the stroke of the pitch in the pitch pipeline in the tank body is prolonged, a heating body of the heater can uniformly heat the pitch in the pitch pipeline, the pitch is conveyed and heated simultaneously, and the heating efficiency of the pitch can be improved;
the plurality of heating devices can heat asphalt in the asphalt pipeline in the asphalt conveying process, the asphalt flows in the asphalt pipeline, the asphalt in the middle of the asphalt pipeline and the asphalt close to the pipe wall of the asphalt pipeline are continuously alternated in the flowing process, and the plurality of heating devices ensure that the flowing asphalt is uniformly heated to the required temperature, so that the effect of heating the asphalt in the continuous asphalt conveying process is achieved;
the tank wall of the tank body is covered with a heat-insulating layer, and the heat-insulating layer can exchange the temperature inside the tank body with the outside of the tank body, so that the temperature inside the tank body is constant, and the asphalt is ensured to be uniformly heated;
when the plurality of sequentially communicated heating devices heat the asphalt, the temperature of each heater is consistent and is consistent with the highest temperature of the temperature range to which the asphalt needs to be heated, and the asphalt is heated in a temperature increasing mode once heated by one heating device, so that the conveying and heating speed of the asphalt can be increased, and the heating effect is prevented from being influenced by uneven heating of the asphalt caused by one-time heating;
the temperature regulating device between two adjacent heating devices detects the temperature of asphalt in the asphalt pipeline through the temperature sensor, controls whether the heater works or not, is convenient to control the asphalt to be uniformly heated to a certain temperature, and if the temperature of the asphalt detected by a certain temperature sensor meets the requirement, the controller controls the heater behind the temperature sensor not to work; the asphalt is uniformly heated to the required temperature, so that the temperature of the asphalt in an asphalt pipeline is conveniently controlled;
the pitch pipeline still can be for vertical and equidistant a plurality of risers that set up along jar body hoop, and riser tip links into a pipeline with the help of detachable connection structure for the elbow, on the basis that the pitch in the assurance pitch pipeline can the even heating, can be convenient for clear up the pitch of coking in the pitch pipeline.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the heating device of the present invention;
fig. 3 is a schematic structural view of the inside of the tank body of the present invention;
fig. 4 is a schematic structural view of the riser and elbow of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 to 3, the asphalt heating heat exchanger includes a plurality of heating devices 1 which are sequentially communicated with each other, and a temperature control device disposed between two adjacent heating devices 1; the heating device 1 comprises a tank body 11, a heater 12 and an asphalt pipeline 13 for conveying asphalt; the tank body 11 is hollow and a heat-insulating layer 14 is coated on the tank wall; the heater 12 is fixed on the top of the tank body 11, and a heating body 15 of the heater 12 is positioned in the middle of the tank body 11; the asphalt pipeline 13 is positioned inside the tank body 11, and the asphalt pipeline 13 is in a spiral winding structure; an inlet 131 and an outlet 132 at the lower end of the asphalt pipeline 13 both penetrate through the tank body 11 to the outside, and the inlet 131 and the outlet 132 are both fixed with the tank body 11; two adjacent heating devices 1, wherein the outlet 132 of the asphalt pipeline 13 in one heating device 1 is connected with the inlet 131 of the asphalt pipeline 13 in the other heating device 1 by a through pipe 133; the temperature regulating device comprises a temperature sensor 21 and a controller 22 which are arranged on each through pipe; the signal input end of the controller 22 is connected with the temperature sensor 21, the signal output end is connected with the heater 12, and the controller 22 can control whether the heater 12 is started or not according to the temperature of the asphalt detected by the temperature sensor 21.
When the asphalt heating device is used, asphalt is pumped into an asphalt pipeline 13 in a first heating device 1, a heater 12 is turned on, a heating body 15 of the heater 12 emits heat inside a tank body 11 to heat the asphalt in the asphalt pipeline 13, in order to ensure uniform heating of the asphalt, the temperature of the heaters 12 in a plurality of heating devices 1 can be consistent and is consistent with the highest temperature of the temperature range to which the asphalt needs to be heated, the temperature of the asphalt is increased progressively in the process of passing through the plurality of heating devices 1 until the temperature of the asphalt is in a required range, when the temperature sensor 21 in a temperature control device detects that the temperature of the asphalt is in a larger value in the required range after the asphalt passes through one heating device 1, the temperature sensor 21 inputs a signal to a controller 22, the controller 22 can control the heaters 12 in the subsequent heating devices 1 not to work, even if heat loss is generated when the asphalt passes through the subsequent heating devices 1, the temperature of the asphalt is still within the required range, the controller 22 is a programmable logic controller based on PLC, and the heat-insulating layer 14 is a polyurethane foaming material in the prior art; the asphalt line 13 of the spiral wound structure may have a structure as shown in fig. 2, or may have a structure as shown in fig. 4.
An asphalt pipeline 13 in the heating device 1 is used for conveying asphalt, the heater 12 can heat the asphalt in the asphalt pipeline 13, and the asphalt pipeline 13 is of a spiral winding structure, so that the travel of the asphalt in the asphalt pipeline 13 in the tank body 11 is prolonged, a heating body 15 of the heater 12 can uniformly heat the asphalt in the asphalt pipeline 13, the asphalt is heated while being conveyed by the asphalt pipeline 13, and the heating efficiency of the asphalt can be improved; the plurality of heating devices 1 can heat asphalt in the asphalt pipeline 13 in the asphalt conveying process, the asphalt flows in the asphalt pipeline 13, the asphalt in the middle of the asphalt pipeline 13 and the asphalt close to the pipe wall of the asphalt pipeline 13 are continuously alternated in the flowing process, and the plurality of heating devices 1 ensure that the flowing asphalt is heated to the required temperature, so that the asphalt is heated in the continuous asphalt conveying process; the inner wall of the tank body 11 is covered with an insulating layer 14, and the insulating layer 14 can exchange the temperature inside the tank body 11 with the outside of the tank body 11, so that the temperature inside the tank body 11 is constant, and the asphalt is uniformly heated; when the plurality of sequentially communicated heating devices 1 are used for heating asphalt, the temperature of each heater 12 is consistent and is consistent with the highest temperature of the temperature range to which the asphalt needs to be heated, and the asphalt is heated in a temperature increasing mode once heated by one heating device 1, so that the conveying and heating speed of the asphalt can be increased, and the heating effect is influenced due to uneven heating of the asphalt caused by one-time heating can be prevented; the temperature regulating device between two adjacent heating devices 1 detects the temperature of asphalt in the asphalt pipeline 13 through the temperature sensor 21, controls whether the heater 12 works or not, is convenient to control the asphalt to be uniformly heated to a certain temperature, and if the temperature of the asphalt detected by one temperature sensor 21 meets the requirement, the controller 22 controls the heater 12 behind the temperature sensor 21 not to work; the asphalt is uniformly heated to the required temperature, the temperature of the asphalt in the asphalt pipeline 13 is conveniently controlled, and the temperature control device is the prior art.
As shown in fig. 4, the asphalt pipeline 13 may also be a plurality of vertical pipes 16 arranged circumferentially along the tank 11 at equal intervals, the upper and lower ends of each vertical pipe 16 extend to the outside of the tank 11, the ends of the vertical pipes 16 are connected into a pipeline by means of elbows 17, and the elbows 17 and the vertical pipes 16 are fixed by means of a detachable connection structure; the connecting structure comprises a first flange 161 fixed to the elbow 17 and a second flange 171 fixed to the riser 16; the first flange 161 and the second flange 171 are connected by bolts.
The asphalt pipeline 13 can also be a plurality of vertical pipes 16 which are vertically arranged along the circumferential direction of the tank body 11 at equal intervals, the end parts of the vertical pipes 16 are connected into a pipeline by virtue of detachable connecting structures through elbows 17, and the asphalt pipeline 13 can be cleaned conveniently by detaching the elbows 17 on the basis of ensuring that the asphalt in the asphalt pipeline 13 can be uniformly heated.
The outlet 132 of the asphalt pipeline 13 is connected with an air pipe 137 communicated with compressed air by a first three-way valve 136, and the inlet 131 of the asphalt pipeline 13 is connected with a discharge pipe 139 communicated with the outside by a second three-way valve 138.
When the heat exchanger is not used for heating asphalt, compressed gas is led into the asphalt pipeline 13 through the first three-way valve 136, the asphalt pipeline 13 is communicated with the discharge pipe 139 through the second three-way valve 138, residues in the asphalt pipeline 13 are discharged in time, and asphalt caking is prevented from blocking the asphalt pipeline 13.
The heater 12 is a burner, the heating body 15 of the burner is an air outlet pipe, and the air outlet pipe is positioned inside the tank body 11.
The combustor during operation brings the heat into jar 11 insidely from going out the tuber pipe, heats the pitch in pitch pipeline 13, and the pitch pipeline 13 can be wrapped up completely to the hot-blast of production for pitch rate of heating, the fuel of combustor is the natural gas, and combustor during operation programming rate is fast and be convenient for control, and whether temperature control combustor that temperature regulation and control device can detect pitch works.
The play tuber pipe tip extends to jar body 11 bottom, and goes out and set up the slot hole 151 of vertical direction on the tuber pipe, and slot hole 151 is provided with a plurality ofly along going out the tuber pipe hoop equidistant, and the setting of slot hole 151 can make the heat that the combustor produced evenly give off to jar internal portion from going out the tuber pipe.
The asphalt needs to be heated to 190-195 ℃ and then is sent into the modified asphalt production equipment, whether the temperature is between 190-195 ℃ or not is detected before the asphalt enters the modified asphalt production equipment, if the temperature is not between 190-195 ℃, the asphalt does not enter the modified asphalt production equipment, but passes through the outlet 132 of the last-stage heating device 1, and then the asphalt is pumped into the modified asphalt production equipment when the temperature of the asphalt is between 190-195 ℃.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (5)
1. Pitch heating heat exchanger, its characterized in that: comprises a plurality of heating devices (1) which are communicated in sequence and a temperature regulating device which is arranged between two adjacent heating devices (1);
the heating device (1) comprises a tank body (11), a heater (12) and an asphalt pipeline (13) for conveying asphalt; the tank body (11) is hollow, and a heat-insulating layer (14) is coated on the tank wall; the heater (12) is fixed at the top of the tank body (11), and a heating body (15) of the heater (12) is positioned in the middle of the tank body (11); the asphalt pipeline (13) is positioned inside the tank body (11), and the asphalt pipeline (13) is of a spiral winding structure; an inlet (131) at the lower end of the asphalt pipeline (13) and an outlet (132) at the upper end of the asphalt pipeline both penetrate through the tank body (11) to the outside, and the inlet (131) and the outlet (132) are both fixed with the tank body (11);
two adjacent heating devices (1), wherein the outlet (132) of the asphalt pipeline (13) in one heating device (1) is connected with the inlet (131) of the asphalt pipeline (13) in the other heating device (1) by a through pipe (133); the temperature regulation and control device comprises a temperature sensor (21) and a controller (22) which are arranged on each through pipe; the signal input end of the controller (22) is connected with the temperature sensor (21), the signal output end of the controller is connected with the heater (12), and the controller (22) can control whether the heater (12) is started or not according to the temperature of the asphalt detected by the temperature sensor (21);
pitch pipeline (13) are a plurality of riser (16) that vertical and equidistant set up along jar body (11) ring, the upper and lower both ends of riser (16) all extend to jar body (11) outside, and riser (16) tip links into a pipeline with the help of elbow (17), elbow (17) are fixed with the help of connection structure that can dismantle with riser (16).
2. The asphalt heating heat exchanger of claim 1, wherein: the connecting structure comprises a first flange (161) fixed on the elbow (17) and a second flange (171) fixed on the stand pipe (16); the first flange (161) and the second flange (171) are connected by bolts.
3. The asphalt heating heat exchanger according to claim 1 or 2, characterized in that: the outlet (132) of the asphalt pipeline (13) is connected with an air pipe (137) communicated with compressed gas by means of a first three-way valve (136), and the inlet (131) of the asphalt pipeline (13) is connected with a discharge pipe (139) communicated with the outside by means of a second three-way valve (138).
4. The asphalt heating heat exchanger of claim 1, wherein: the heater (12) is a burner, a heating body (15) of the burner is an air outlet pipe, and the air outlet pipe is positioned inside the tank body (11).
5. The asphalt heating heat exchanger of claim 4, wherein: the air outlet pipe end part extends to the bottom of the tank body (11), a long hole (151) in the vertical direction is formed in the air outlet pipe, and the long hole (151) is arranged in the annular direction of the air outlet pipe at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030973.4U CN210340777U (en) | 2019-07-04 | 2019-07-04 | Asphalt heating heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921030973.4U CN210340777U (en) | 2019-07-04 | 2019-07-04 | Asphalt heating heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210340777U true CN210340777U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921030973.4U Active CN210340777U (en) | 2019-07-04 | 2019-07-04 | Asphalt heating heat exchanger |
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| CN (1) | CN210340777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205153A (en) * | 2019-07-04 | 2019-09-06 | 河北交科材料科技有限公司 | Pitch heating heat exchanger |
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2019
- 2019-07-04 CN CN201921030973.4U patent/CN210340777U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110205153A (en) * | 2019-07-04 | 2019-09-06 | 河北交科材料科技有限公司 | Pitch heating heat exchanger |
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