CN210916880U

CN210916880U - Asphalt heating tank

Info

Publication number: CN210916880U
Application number: CN201921578162.8U
Authority: CN
Inventors: 刘贵海; 杜金岭
Original assignee: Hebei Hongye Road Building Materials Co ltd
Current assignee: Hebei Hongye Road Building Materials Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-07-03
Anticipated expiration: 2029-09-21

Abstract

The utility model relates to an asphalt heating tank, including the storage tank, establish the feed end on the top surface of storage tank, establish bin outlet, the oil bath heating chamber of parcel on the storage tank of the bottom surface of storage tank, heating device and both ends that output and input all are connected with the oil bath heating chamber all communicate with the oil bath heating chamber and establish the heating pipeline in the storage tank. The heating device comprises a heat-conducting oil tank, a heating pipe arranged on the side wall of the heat-conducting oil tank, an electric heater arranged in the heating pipe, a booster pump connected with the heat-conducting oil tank and an oil return pipe arranged on the heat-conducting oil tank, wherein the heating end of the electric heater extends into the heat-conducting oil tank, the number of the booster pump and the number of the oil return pipe are two, and the two sets of booster pumps and the oil return pipe are respectively connected with an oil bath heating chamber and a heating pipeline. The utility model has the characteristics of the quick ejection of compact of small batch can be carried out to rate of heating is fast.

Description

Asphalt heating tank

Technical Field

The utility model belongs to the technical field of pitch firing equipment's technique and specifically relates to a pitch heating jar is related to.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt, and is a waterproof, moistureproof and anticorrosive organic cementing material.

Asphalt is stored in a storage tank, and when the asphalt is used, the asphalt needs to be heated firstly to improve the fluidity of the asphalt so that the asphalt flows out of the storage tank. The conventional storage tank is heated by heat conduction oil mostly, the heating mode is heating from inside to outside, the heating speed is low, the consumed time is long, long-time heating is needed before use, particularly, a large amount of fine decomposed substances can be separated out from asphalt in the long-time heating process, the quality of the asphalt is reduced, and the later-stage treatment and maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a pitch heating jar, this pitch heating jar has adopted the mode of inside and outside simultaneous heating, can effectively shorten the heat time of pitch, reduces the influence of heating to the pitch quality.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an asphalt heating tank comprising:

a storage tank;

the feeding end is arranged on the top surface of the storage tank;

the discharge end is arranged on the bottom surface of the storage tank;

the oil bath heating chamber is wrapped on the storage tank;

the output end and the input end of the heating device are both connected with the oil bath heating chamber;

and the heating pipeline is arranged in the storage tank, and both ends of the heating pipeline are communicated with the oil bath heating chamber.

Through adopting above-mentioned technical scheme, in the heating process, oil bath heating chamber and heating pipeline heat the pitch in the storage tank simultaneously from outside and inside respectively, under this kind of heating method, the mobility of the pitch near the heating pipeline can increase, then flow from the discharge end, remaining pitch flows gradually in subsequent heating process, compare with conventional heating method, this kind of heating method's rate of heating is faster, heat time is shorter, can have the heating time that shortens, and avoid the pitch that long-time heating leads to appear.

The utility model discloses further set up to: the heating device comprises a heat-conducting oil tank, a heating pipe arranged on the side wall of the heat-conducting oil tank, an electric heater arranged in the heating pipe, a booster pump connected with the heat-conducting oil tank and an oil return pipe arranged on the heat-conducting oil tank;

the heating end of the electric heater extends into the heat-conducting oil tank;

the number of the booster pumps and the number of the oil return pipes are two, and the two sets of the booster pumps and the oil return pipes are respectively connected with the oil bath heating chamber and the heating pipeline.

The output end of the booster pump and the other end of the oil return pipe are both connected with the oil bath heating chamber.

Through adopting above-mentioned technical scheme, electric heater turns into heat energy with the electric energy, then transmits the interior pitch of storage tank through the conduction oil, and electric heating's mode programming rate is fast, and pollution discharge does not have, environmental protection more.

The utility model discloses further set up to: the heating pipeline is vertically arranged.

Through adopting above-mentioned technical scheme, the direction of heating pipeline keeps unanimous with the flow direction of pitch, so both can not cause the hindrance to the flow of pitch, can also continue to heat it at the flow in-process of pitch, can keep the mobility of pitch.

The utility model discloses further set up to: the number of the heating pipelines is more than two, and the heating pipelines surround the axis circular array of the storage tank.

Through adopting above-mentioned technical scheme, can locate to form a heating region at the center of storage tank, pitch in this region can flow rapidly to the heating tube can start alone, when needing a small amount of pitch, can start alone the heating tube, can avoid like this needing a small amount of pitch in order to carry out the problem of heating to the pitch in the whole storage tank, both reduced the energy consumption, avoided the condition of heating repeatedly again.

The utility model discloses further set up to: and the outer wall of the heating pipeline is provided with a heat conduction fin.

Through adopting above-mentioned technical scheme, the heat conduction fin can enlarge the area of contact of heating pipeline and pitch, improves heating efficiency.

The utility model discloses further set up to: an axis of the heat conduction fin is parallel to an axis of the heating duct.

Through adopting above-mentioned technical scheme, the direction of heat conduction fin keeps unanimous with the flow direction of pitch, can not hinder the flow of pitch.

The utility model discloses further set up to: the device also comprises an electric heating wire wound on the outer wall of the discharge end, a control cabinet connected with the electric heating wire and a heat-insulating layer wrapped on the outer wall of the discharge end;

the electric heating wire is positioned between the outer wall of the discharge end and the heat preservation layer.

Through adopting above-mentioned technical scheme, electric heating wire can be with electric energy conversion heat energy, heats the pitch in the discharge end, makes it flow out after softening rapidly.

The utility model discloses further set up to: and the outer wall of the storage tank is provided with a maintenance end.

Through adopting above-mentioned technical scheme, inside the staff can enter into the storage tank through the maintenance end, overhauls and routine maintenance to it.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the heating process, oil bath heating chamber and heating pipeline heat the pitch in the storage tank simultaneously from outside and inside respectively, under this kind of heating method, the mobility of the pitch near the heating pipeline can increase, then flow from the discharge end, remaining pitch flows out gradually in heating process afterwards, compare with conventional heating method, this kind of heating method's rate of heating is faster, and heat time is shorter, can have and shorten heat time, and avoid the pitch that long-time heating leads to appear.

2. Heating tube can locate to form a heating region in the center of storage tank, and the pitch in this region can flow rapidly to heating tube can start alone, when needing a small amount of pitch, can start heating tube alone, can avoid like this needing a small amount of pitch in order to carry out the problem of heating to the pitch in the whole storage tank, both reduced the energy consumption, avoided the condition of heating repeatedly again.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an internal structure provided by an embodiment of the present invention.

Fig. 3 is a schematic bottom structure diagram of a storage tank according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a discharge end provided in an embodiment of the present invention.

Fig. 5 is a schematic view illustrating a connection between a heat-conducting oil tank and an electric heater according to an embodiment of the present invention.

In the figure, 11, a storage tank, 12, a feeding end, 13, a discharging end, 14, an oil bath heating chamber, 16, a heating pipeline, 161, a heat conduction fin, 21, a heat conduction oil tank, 22, a heating pipe, 23, an electric heater, 24, a booster pump, 25, an oil return pipe, 31, an electric heating wire, 32, a control cabinet, 33, a heat insulation layer, 41 and a maintenance end.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an asphalt heating tank, mainly by storage tank 11, feeding end 12, discharge end 13, oil bath heating chamber 14, heating pipeline 16 and heating device etc. constitute, storage tank 11 is responsible for storage pitch, feeding end 12 and discharge end 13 are established respectively at storage tank 11's top surface and bottom surface, oil bath heating chamber 14 parcel is on storage tank 11, by outer and interior pitch to in storage tank 11 heats, heating pipeline 16 is located inside storage tank 11, by interior and exterior pitch to in storage tank 11 heats. The heating device is responsible for heating the heat conducting oil, then the heat conducting oil is respectively conveyed into the oil bath heating chamber 14 and the heating pipeline 16, the heat conducting oil in the oil bath heating chamber 14 and the heating pipeline 16 transfers the heat to the asphalt in the storage tank 11 and then returns to the heating device, and the process is circularly carried out.

Referring to fig. 1 and 3, the heating pipe 16 is vertically installed in the storage tank 11 with its axis parallel to the axis of the storage tank 11. The number of the heating pipelines 16 is more than two, and the heating pipelines are arranged in the storage tank 11 in a circular array around the axis of the storage tank 11, and the plurality of heating pipelines 16 can heat the asphalt in the enclosed area in the storage tank 11, so that the asphalt can rapidly flow out of the storage tank 11. In order to increase the contact area, the outer wall of the heating duct 16 is also uniformly provided with heat conduction fins 161 parallel to the axis thereof.

Referring to fig. 4, an electric heating wire 31 is wound on the outer wall of the discharging end 13, a heat insulating layer 33 is wrapped outside the electric heating wire 31, the electric heating wire 31 is connected with a control cabinet 32, the control cabinet 32 is used for transmitting electric energy to the electric heating wire 31, and the electric heating wire 31 converts the electric energy into heat energy, so that asphalt retained in the discharging end 13 is melted and flows out as soon as possible.

Referring back to fig. 1 and 2, in order to facilitate the staff to enter the storage tank 11 for maintenance, a maintenance end 41 is added on the outer wall of the storage tank 11, and the maintenance end 41 is composed of a circular pipe welded on the outer wall of the storage tank 11, a flange welded on the outer wall of the circular pipe and a blind plate connected with the flange. The blind plate is taken down during maintenance, and the working personnel can enter the storage tank 11 through the round pipe.

Referring to fig. 1 and 5, the heating device is composed of a heat-conducting oil tank 21, a heating pipe 22, an electric heater 23, a booster pump 24, an oil return pipe 25, and the like, wherein the heating pipe 22 is installed on the heat-conducting oil tank 21 and used for installing the electric heater 23, the electric heater 23 is connected to the heating pipe 22 in a flange manner, and the lower end of the electric heater extends into the heat-conducting oil tank 21 to heat the heat-conducting oil in the heat-conducting oil tank 21.

The number of the booster pumps 24 and the oil return pipes 25 is two, the input end of the first booster pump 24 is connected with the heat conduction oil tank 21, the output end of the first booster pump 24 is connected with the oil bath heating chamber 14, and two ends of the oil return pipe 25 in the group are respectively connected with the oil bath heating chamber 14 and the heat conduction oil tank 21, so that a loop can be formed, and heat conduction oil in the oil bath heating chamber 14 can flow circularly. The input end of the other group of booster pumps 24 is connected with the heating pipeline 16, the output end is connected with the oil bath heating chamber 14, and the two ends of the oil return pipe 25 in the group are respectively connected with the heating pipeline 16 and the heat conduction oil tank 21, so that a loop can be formed, the heat conduction oil in the heating pipeline 16 can flow circularly, and the double-loop structure can enable the oil bath heating chamber 14 and the heating pipeline 16 to be started independently.

The implementation principle of the embodiment is as follows:

when heating, the power supply is switched on for the electric heater 23, and the electric heater 23 starts to work, so that the temperature of the heat conduction oil in the heat conduction oil tank 21 is increased. The two booster pumps 24 are started simultaneously, and high-temperature heat conducting oil is respectively injected into the oil bath heating chamber 14 and the heating pipeline 16 to form two circulation loops. The heat conducting oil in the oil bath heating chamber 14 and the heating pipeline 16 transfers heat to the asphalt in the storage tank 11 in the circulating flowing process, the temperature of the asphalt rises after being heated, the fluidity is increased, and the asphalt flows out from the discharge end 13.

When the required amount of asphalt is small, the pressurizing pump 24 corresponding to the heating pipe 16 is separately activated, and the asphalt in the area enclosed by the heating pipe 16 and in the vicinity of the heating pipe 16 rises in temperature, increases in fluidity, and then flows out from the discharge end 13.

When the viscosity of the asphalt in the discharging end 13 is high and discharging is hindered, a switch in the control cabinet 32 is closed, the electric heating wire 31 is electrified, the electric heating wire 31 converts electric energy into heat energy, the temperature of the asphalt in the discharging end 13 rises, the switch in the control cabinet 32 is turned off when discharging of the discharging end 13 is normal, and the electric heating wire 31 stops working.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An asphalt heating tank, comprising:

a tank (11);

a feeding end (12) arranged on the top surface of the storage tank (11);

a discharge end (13) arranged on the bottom surface of the storage tank (11);

an oil bath heating chamber (14) wrapped on the storage tank (11);

the output end and the input end of the heating device are both connected with the oil bath heating chamber (14);

and the heating pipeline (16) is arranged in the storage tank (11), and both ends of the heating pipeline are communicated with the heating device.

2. An asphalt heating tank according to claim 1, wherein: the heating device comprises a heat-conducting oil tank (21), a heating pipe (22) arranged on the side wall of the heat-conducting oil tank (21), an electric heater (23) arranged in the heating pipe (22), a booster pump (24) connected with the heat-conducting oil tank (21) and an oil return pipe (25) arranged on the heat-conducting oil tank (21);

the heating end of the electric heater (23) extends into the heat-conducting oil tank (21);

the number of the booster pump (24) and the number of the oil return pipe (25) are two, and the two groups of the booster pump (24) and the oil return pipe (25) are respectively connected with the oil bath heating chamber (14) and the heating pipeline (16).

3. An asphalt heating tank according to claim 1, wherein: the heating pipeline (16) is vertically arranged.

4. An asphalt heating tank according to claim 3, wherein: the number of the heating pipelines (16) is more than two, and the heating pipelines (16) surround the axis of the storage tank (11) in a circular array.

5. An asphalt heating tank according to claim 4, wherein: and a heat conduction fin (161) is arranged on the outer wall of the heating pipeline (16).

6. An asphalt heating tank according to claim 5, wherein: the axis of the heat conducting fin (161) is parallel to the axis of the heating duct (16).

7. An asphalt heating tank according to claim 1, wherein: the device also comprises an electric heating wire (31) wound on the outer wall of the discharge end (13), a control cabinet (32) connected with the electric heating wire (31) and a heat-insulating layer (33) wrapped on the outer wall of the discharge end (13);

the electric heating wire (31) is positioned between the outer wall of the discharge end (13) and the heat insulation layer (33).

8. An asphalt heating tank according to any one of claims 1 to 7, wherein: and the outer wall of the storage tank (11) is provided with a maintenance end (41).