CN209836737U

CN209836737U - Quick heater for asphalt

Info

Publication number: CN209836737U
Application number: CN201920159608.7U
Authority: CN
Inventors: 钱成来
Original assignee: Nanjing Guolu Asphalt Co Ltd
Current assignee: Nanjing Guolu Asphalt Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-24
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to the technical field of asphalt production, in particular to an asphalt rapid heater, which comprises a frame and a heating tank which is arranged on the frame and is filled with asphalt, wherein a guide rod which is vertical to the axis of the heating tank and a screw rod which is parallel to the guide rod are arranged on the frame in a penetrating way, the spiral directions of external threads at the two ends of the screw rod are opposite, and a driving source which is used for driving the screw rod to rotate around the axis of the screw rod is arranged on the frame; the two ends of the screw rod are respectively in threaded connection with a moving seat which is sleeved on the guide rod, a shell which is arranged on the outer wall of the heating tank and covers along with the moving seat is fixed on the moving seat, a heat conduction oil pipe which is abutted against the outer wall of the heating tank is embedded on the inner wall of the shell, and the heat conduction oil pipe is communicated with a heat conduction oil heater through a pipeline. The utility model discloses a pitch rapid heater is favorable to improving the heating efficiency of pitch heating jar to the production efficiency of pitch has been improved greatly.

Description

Quick heater for asphalt

Technical Field

The utility model belongs to the technical field of the technique of pitch production and specifically relates to a pitch rapid heater is related to.

Background

In recent years, highway construction in China is rapidly developed, and the highway and railway construction in rural areas in urban and rural areas realize historical breakthrough, so that the booster becomes an important booster for economic and social development. The development of highway construction not only improves the transport capacity, but also plays an important role in the aspects of improving the investment environment, optimizing the industrial layout and the like. With the rapid development of highway construction, the demand of asphalt storage and transportation equipment in domestic markets is increasing, and higher requirements are put forward on the performance of the asphalt storage and transportation equipment.

Bitumen often requires heating in a heating tank prior to use to melt it into a fluid for further use. However, the heating mode of the asphalt heating tank on the premise of the prior art is single, and the heating efficiency is often not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pitch rapid heater is favorable to improving the heating efficiency of pitch heating jar to the production efficiency of pitch has been improved greatly.

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

a quick asphalt heater comprises a rack and a heating tank which is arranged on the rack and is filled with asphalt, wherein a guide rod which is vertical to the axis of the heating tank and a screw rod which is parallel to the guide rod are arranged on the rack in a penetrating way, the spiral directions of external threads at two ends of the screw rod are opposite, and a driving source which is used for driving the screw rod to rotate around the axis of the screw rod is arranged on the rack; the two ends of the screw rod are respectively in threaded connection with a moving seat which is sleeved on the guide rod, a shell which is arranged on the outer wall of the heating tank and covers along with the moving seat is fixed on the moving seat, a heat conduction oil pipe which is abutted against the outer wall of the heating tank is embedded on the inner wall of the shell, and the heat conduction oil pipe is communicated with a heat conduction oil heater through a pipeline.

Through adopting above-mentioned technical scheme, set up the screw rod that both ends screw thread opposite direction in the frame to and two covers establish on the guide bar and with screw rod both ends respectively threaded connection's removal seat, make the screw rod rotate towards a direction under the drive of driving source, can drive two and remove the seat and move in opposite directions or back of the body simultaneously, thereby realize that two casings keep away from or be close to the action of heating jar. When the asphalt in the heating tank needs to be taken, the heating tank is started by the heating device, then the driving source is started, the driving source drives the screw rod to rotate, the screw rod drives the shells at two ends to move towards the heating tank through the thread meshing effect, and the shells are covered on the outer wall of the heating tank until the two shells are arranged. At the moment, high-temperature heat conduction oil is introduced into the heat conduction oil pipe through the heat conduction oil heater, so that the outer wall of the heating tank is heated. The heat conduction oil pipe is matched with the heating device of the heating tank to heat the asphalt in the heating tank, so that the heating efficiency of the asphalt heating tank is improved, and the production efficiency of the asphalt is greatly improved. In addition, this arrangement also helps to reduce the heat loss from the heating tank body, thereby keeping the asphalt in a fluid state.

The utility model discloses further set up to: the middle part of the screw rod is provided with a limiting block.

Through adopting above-mentioned technical scheme, can carry out spacing protection to two removal seats at the removal process at the screw rod both ends separately, make to remove the seat and remove more steadily on the screw rod.

The utility model discloses further set up to: the limiting block is covered with a rubber layer.

Through adopting above-mentioned technical scheme, can protect the stopper, increase the stopper and remove the contact number of times of seat to the life of stopper has effectively been prolonged.

The utility model discloses further set up to: a reinforcing rib plate is connected between the movable seat and the shell.

Through adopting above-mentioned technical scheme, be favorable to reducing the casing and remove the possibility that takes place to buckle between the seat, effectively prolonged the life of casing.

The utility model discloses further set up to: the outer wall of the shell is covered with a heat-insulating layer.

By adopting the technical scheme, the heat loss of the heating tank body is further reduced, so that the melting efficiency of the asphalt is greatly improved.

The utility model discloses further set up to: the heat preservation includes that the cotton layer of first heat preservation that directly covers on locating the casing outer wall is covered with the plastic foam layer outside the cotton layer of first heat preservation, covers at the cotton layer of plastic foam layer and is equipped with the cotton layer of second heat preservation, inlays in the plastic foam layer and is equipped with a plurality of evenly distributed's supporting cylinder.

By adopting the technical scheme, the heat-insulating cotton has stable density and performance, can be used for a long time in neutral and oxidized environments, and has the advantages of light weight, low heat conductivity, good flexibility and the like. The heat insulation cotton is beneficial to greatly improving the heat insulation effect of the heat insulation layer and simultaneously is beneficial to enhancing the mechanical impact resistance of the shell. The supporting column body is favorable for improving the rigidity of the plastic foam layer, and the overall impact resistance of the heat-insulating layer is further enhanced.

The utility model discloses further set up to: a waterproof layer is coated outside the second heat insulation cotton layer.

Through adopting above-mentioned technical scheme, thereby be favorable to reducing because of the moisture infiltration in the outside air influences the possibility of heat preservation effect in the cotton layer of second heat preservation, effectively prolonged the life of heat preservation.

The utility model discloses further set up to: the heat conduction oil pipe is a double-layer pipeline.

By adopting the technical scheme, the heat conduction oil pipe adopts the double-layer nested pipeline, so that the heat conduction oil flows in the interlayer of the double-layer pipeline, the use amount of the heat conduction oil is favorably reduced, and the energy waste is effectively reduced.

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

1. the heating device through heat conduction oil pipe and heating jar self cooperates and heats the pitch in the heating jar together, is favorable to improving the heating efficiency of pitch heating jar to the production efficiency of pitch has been improved greatly. In addition, this arrangement also helps to reduce the heat loss from the heating tank body, thereby keeping the asphalt in a fluid state.

2. The reinforcing rib plate is arranged between the shell and the moving seat, so that the possibility of bending between the shell and the moving seat is reduced, and the service life of the shell is prolonged.

3. Through setting up heat conduction oil pipe for double-deck nested type pipeline, make the conduction oil flow in the intermediate layer of double-deck pipeline, be favorable to reducing the use amount of conduction oil to the waste of the energy has effectively been reduced.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a pitch rapid heater of the present invention.

Fig. 2 is a schematic structural view of the heat insulating layer of the present invention.

In the figure, 1, a frame; 11. a heating tank; 111. a feed inlet; 112. a discharge port; 12. a guide bar; 13. a screw; 131. a drive motor; 14. a movable seat; 15. a limiting block; 16. a housing; 161. reinforcing rib plates; 162. a heat conducting oil pipe;

2. a plastic foam layer; 21. a first heat-insulating cotton layer; 22. a second heat-insulating cotton layer; 23. a support column; 24. and a waterproof layer.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a pitch rapid heater, including frame 1, horizontal placing takes heating device's heating jar 11 in frame 1, the pitch of solidifying is equipped with in the heating jar 11. In the present embodiment, the heating device is a coil heat exchanger installed in the heating tank 11, and the coil heat exchanger is connected to an external steam generator. The heating tank 11 is provided with a feed inlet 111 and a discharge outlet 112.

Referring to fig. 1, a guide rod 12 and a screw 13 arranged parallel to the guide rod 12 are inserted into a frame 1, and a drive source for driving the screw 13 to rotate around its axis is further installed in the frame 1. In this embodiment, the guide bar 12 is fixed with respect to the frame 1, and the axis of the guide bar 12 is perpendicular to the axis of the heating tank 11. The driving source is a driving motor 131 horizontally mounted on the frame 1, an output shaft of the driving motor 131 is fixedly connected with one end of the screw 13 through a coupler, and the spiral directions of external threads at two ends of the screw 13 are opposite.

Referring to fig. 1, the two ends of the guide rod 12 are slidably connected with moving seats 14, and the two moving seats 14 are respectively located at two sides of the heating tank 11 and are respectively in threaded connection with two ends of the screw 13. In the present embodiment, a housing 16 in the form of an arc plate is fixed to the movable base 14, the concave arc of the housing 16 faces the heating tank 11, and the axis of the housing 16 is parallel to the axis of the heating tank 11. A reinforcing rib plate 161 is connected between the movable seat 14 and the housing 16, and the reinforcing rib plate 161 is located on a side of the housing 16 facing away from the heating tank 11.

Referring to fig. 1, a stopper 15 is fixed to the middle of the axis of the screw 13, and a rubber layer covers the stopper 15. In the present embodiment, the two movable seats 14 are respectively equidistant from the stopper 15.

Referring to fig. 1, a heat conduction oil pipe 162 is embedded on the concave arc surface of the casing 16, and the heat conduction oil pipe 162 is communicated with an external heat conduction oil heater through a pipeline. In the present embodiment, the heat transfer oil pipe 162 is a double-layer pipe.

Referring to fig. 1 and 2, the convex arc surface of the housing 16 is covered with an insulating layer. The heat preservation layer comprises a first heat preservation cotton layer 21 directly covered on the shell 16, a plastic foam layer 2 is covered outside the first heat preservation cotton layer 21, and a second heat preservation cotton layer 22 is covered outside the plastic foam layer 2. In this embodiment, insulation glue layers formed by coating insulation glue are embedded between the first insulation cotton layer 21 and the plastic foam layer 2 and between the second insulation cotton layer 22 and the plastic foam layer 2. The second heat insulation cotton layer 22 is covered with a waterproof layer 24 formed by coating waterproof paint on one side back to the plastic foam layer 2. A plurality of uniformly distributed support columns 23 are embedded in the plastic foam layer 2, the axes of the support columns 23 being arranged radially with respect to the housing 16.

The working principle of the embodiment is as follows: when the asphalt in the heating tank 11 needs to be taken, high-temperature steam is firstly introduced into the coil type heat exchanger through the steam generator. Then, the driving motor 131 is started, so that the driving motor 131 drives the screw 13 to rotate, and the screw 13 drives the shells 16 at the two ends to move towards the heating tank 11 through the thread meshing action until the two shells 16 are covered on the outer wall of the heating tank 11. At this time, high-temperature heat transfer oil is introduced into the heat transfer oil pipe 162 by the heat transfer oil heater, thereby heating the outer wall of the heating tank 11.

The embodiment heats the asphalt in the heating tank 11 through the cooperation of the heat conducting oil pipe 162 and the heating device of the heating tank 11, which is beneficial to improving the heating efficiency of the asphalt heating tank 11, thereby greatly improving the production efficiency of the asphalt. This arrangement is also advantageous in reducing the heat loss from the body of the heating tank 11, thereby keeping the bitumen in a fluid state.

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. The utility model provides an asphalt rapid heater, includes frame (1) and places heating tank (11) on frame (1) and be equipped with pitch, its characterized in that: a guide rod (12) perpendicular to the axis of the heating tank (11) and a screw rod (13) parallel to the guide rod (12) are arranged on the rack (1) in a penetrating manner, the spiral directions of external threads at two ends of the screw rod (13) are opposite, and a driving source for driving the screw rod (13) to rotate around the axis of the rack (1) is arranged on the rack;

the two ends of the screw (13) are respectively connected with a moving seat (14) in a threaded manner, the moving seat (14) is sleeved on the guide rod (12), a shell (16) which is moved along with the moving seat (14) and covers the outer wall of the heating tank (11) is fixed on the moving seat (14), a heat conduction oil pipe (162) which is abutted to the outer wall of the heating tank (11) is embedded on the inner wall of the shell (16), and the heat conduction oil pipe (162) is communicated with a heat conduction oil heater through a pipeline.

2. The asphalt quick heater according to claim 1, wherein: the middle part of the screw rod (13) is provided with a limited block (15).

3. An asphalt flash heater according to claim 2, wherein: a rubber layer covers the limiting block (15).

4. A pitch flash heater according to claim 3, wherein: a reinforcing rib plate (161) is connected between the movable seat (14) and the shell (16).

5. An asphalt flash heater according to claim 4, wherein: the outer wall of the shell (16) is covered with an insulating layer.

6. An asphalt flash heater according to claim 5, wherein: the heat preservation is including directly covering first heat preservation cotton layer (21) of locating on casing (16) outer wall, covers in first heat preservation cotton layer (21) and is equipped with plastic foam layer (2) outward, covers in plastic foam layer (2) outward and is equipped with second heat preservation cotton layer (22), inlays in plastic foam layer (2) and is equipped with a plurality of evenly distributed's supporting cylinder (23).

7. The asphalt quick heater according to claim 6, wherein: a waterproof layer (24) is coated outside the second heat insulation cotton layer (22).

8. The asphalt quick heater according to claim 1, wherein: the heat conducting oil pipe (162) is a double-layer pipeline.