CN204922356U

CN204922356U - Pipeline heating structure

Info

Publication number: CN204922356U
Application number: CN201520412786.8U
Authority: CN
Inventors: 陈晓龙; 陈磊
Original assignee: WUXI AIKESEN THERMAL CONTROL TECHNOLOGY Co Ltd
Current assignee: WUXI AIKESEN THERMAL CONTROL TECHNOLOGY Co Ltd
Priority date: 2015-06-16
Filing date: 2015-06-16
Publication date: 2015-12-30
Anticipated expiration: 2025-06-16

Abstract

The utility model provides a pipeline heating structure and applied this heating structure's pipeline, it can realize that hot transmission effect is good to even heat transfer the in pipeline surface, the energy consumption is low to long service life, and simultaneously, the utility model discloses the defeated oil pipe who uses this heating structure's solar water heater's raceway, flue gas sampling pipe and diesel engine is still provided. This pipeline heating structure includes the zone of heating of cladding in the outer wall of pipeline, be equipped with two circular telegram generating lines that are parallel to each other between the outer wall of zone of heating and pipeline, the zone of heating includes electric heater, the electricity heater evenly twines in the outer wall of pipeline along pipeline length direction, the circular telegram generating line is binded through electric heater, laminate in the outer wall of pipeline, the cladding of circular telegram generating line periphery has the bus insulation layer, the bus insulation layer is equipped with the incision along the length direction interval of circular telegram generating line, the circular telegram generating line exposes in incision department, the circular telegram generating line of incision department contacts with electric heater.

Description

A kind of pipeline heating structure

Technical field

The utility model relates to a kind of pipeline heating structure.

Background technique

Existing pipeline generally realizes the insulation operation of convection cell by suit thermal insulation casing, some have the fluid of particular/special requirement for delivery temperature, generally tie up subsides electric-heating belt at the outer wall of its pipeline, electric-heating belt is arranged along pipe lengths, and then be set with heat-insulating cover, and wrap up watertightness barrier more outward at heat-insulating cover, such as: the aqueduct of (1) solar water heater, comprise outlet pipe and intake pipe, for solving the low frozen block problem caused of winter temperature, before supply pipe suit heat-insulating cover, heating tape is generally prolonged length of pipe direction and is laid on water pipe by construction party, carry out the suit of heat-insulating cover again, heating tape can be fixed on pipe outer wall by such heat-insulating cover, realize thawing to Water pipe heating by heating tape, (2) flue gas sampling pipeline, for guaranteeing that the flue gas gathered is not less than detected temperatures, the outer wall of flue gas sampling pipeline is tied up and is posted electric-heating belt, carries out heated in real-time by heating tape to flue gas sampling pipeline, avoids the temperature of flue gas to be down to below detectability, (3) oil transport pipeline of diesel engine, the outer wall of oil transport pipeline is tied up and is posted electric-heating belt, carries out heated in real-time by heating tape to oil transport pipeline, guarantees that the diesel oil in oil transport pipeline can reach compression ignite temperature.This outer wall at pipeline is tied up and is pasted electric-heating belt to realize the antifreeze method of heat supply not only complex operation, and thermal conduction effect is poor, because electric-heating belt adopts some conduction heating, energy consumption is comparatively large, and in heat conducting process, easily occurs the unbalanced phenomenon of the temperature of pipeline, so companion's thermal power must be improved just can reach required effect, but improving power, also to cause heating tape aging and damage simultaneously, reduces the working life of heating tape, add user cost.

Model utility content

For the problems referred to above, the utility model provides a kind of pipeline heating structure, and it can realize pipe surface uniformly transfer heat, and thermal conduction effect is good, and energy consumption is low.

Its technological scheme is such, a kind of pipeline heating structure, comprise the zone of heating of the outer wall being coated on pipeline, two energising buses be parallel to each other are provided with between the outer wall of described zone of heating and described pipeline, described zone of heating comprises Electrothermic wire, the outer wall of described Electrothermic wire along pipe lengths uniform winding in described pipeline, described energising bus is bundled by described Electrothermic wire, fit in the outer wall of described pipeline, described energising bus periphery is coated with bus insulation layer, described bus insulation layer is interval with otch along the length direction of described energising bus, described energising bus is exposed in described incision, the energising bus of described incision contacts with described Electrothermic wire.

It is further characterized in that:

Some described otch on described bus insulation layer is in being equally spaced, and the coiling length of described Electrothermic wire between adjacent cut is equal;

It is further characterised in that:

Described zone of heating is coated with thermal insulation packing layer, and described thermal insulation packing layer is coated with outer skin protective layer;

Described thermal insulation packing layer is foamed cotton;

A signal conductor is provided with between the zone of heating that described Electrothermic wire is formed and described thermal insulation packing layer.

Described pipeline is the aqueduct of solar water heater or the oil transport pipeline of flue gas sampling pipeline or diesel engine.

After adopting said structure of the present invention, Electrothermic wire uniform winding is in pipeline outer wall, and Electrothermic wire is directly to pipeline heating, and heat transfer effect is good, and heat transfer is even, energy consumption is low; Bus insulation layer is equidistant along the length direction of energising bus, be interval with otch, the energising bus of incision is exposed and contact with Electrothermic wire, the Electrothermic wire between two adjacent otch is made to form an independent heating unit, some heating units with same resistance are set up in parallel, after energising, the heating unit heat supply of everywhere is impartial, can guarantee that heat transfer evenly further, realize pipeline equalized temperature everywhere, and because heating arrangement energy consumption of the present invention is low, power is low, insulation ag(e)ing can be fallen to hasten rate, increase the service life.Apply the oil transport pipeline pipeline equalized temperature everywhere of the aqueduct of the solar water heater of inventive pipeline heating arrangement, flue gas sampling pipeline and diesel engine, only need lower power just can realize the heat demand of pipeline, energy-conservation more than 50%, and without inrush current, stop potential safety hazard, simple installation saving is artificial, can effectively prevent from causing the damage of product because installing not according to specification.Wherein, the aqueduct every meter power of the solar water heater of application inventive pipeline heating arrangement is only 38.5% of traditional heating tape heating arrangement, and every meter of power only needs 8W just can realize thawing of water pipe, and heat-transfer effect is good, and energy consumption is low.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is that the A-A of Fig. 1 is to the cross-sectional view after amplification.

Embodiment

As shown in Figure 1 to Figure 2, a kind of pipeline heating structure, comprise the zone of heating of the outer wall being coated on pipeline 1, two energising buses 3 be parallel to each other are provided with between the outer wall of zone of heating and pipeline 1, zone of heating comprises Electrothermic wire 2, Electrothermic wire 2 is along pipeline 1 length direction uniform winding in the outer wall of pipeline 1, energising bus 3 is bundled by Electrothermic wire 2, fit in the outer wall of pipeline 1, energising bus 3 periphery is coated with bus insulation layer, bus insulation layer is interval with otch 4 along the length direction of energising bus 3, energising bus 3 is exposed at otch 4 place, the energising bus 3 at otch 4 place contacts with Electrothermic wire 2, some otch 4 on bus insulation layer are in being equally spaced, the coiling length of Electrothermic wire 2 between adjacent cut 4 is equal, Electrothermic wire between two adjacent otch 4 forms an independent heating unit, such as, in Fig. 1 shown in 21, some heating units with same resistance are set up in parallel, and after energising, the heating unit heat supply of everywhere is impartial, can guarantee that heat transfer evenly, realizes pipeline equalized temperature everywhere, zone of heating is coated with thermal insulation packing layer 5, and thermal insulation packing layer 5 is coated with outer skin protective layer 7, thermal insulation packing layer 5 is foamed cotton, a signal conductor 6 is provided with between the zone of heating that Electrothermic wire 2 is formed and thermal insulation packing layer 5.Signal conductor is for connecting temp probe.

Above-mentioned pipeline is the aqueduct of solar water heater or the oil transport pipeline of flue gas sampling pipeline or diesel engine.

As shown in Figure 1 to Figure 2, a kind of aqueduct of solar water heater, the outer wall of aqueduct 1 is coated with zone of heating, thermal insulation packing layer 5 and exocuticle protective layer 7 successively, and thermal insulation packing layer 5 is foamed cotton; Two energising buses 3 be parallel to each other are provided with between the outer wall of zone of heating and aqueduct 1, zone of heating comprises Electrothermic wire 2, Electrothermic wire 2 is along aqueduct 1 length direction uniform winding in the outer wall of aqueduct 1, energising bus 3 bundlees, fits in the outer wall of aqueduct 1 by Electrothermic wire 2, energising bus 3 periphery is coated with bus insulation layer, bus insulation layer is interval with otch 4 along the length direction of energising bus 3, energising bus 3 is exposed at otch 4 place, and the energising bus 3 at otch 4 place contacts with Electrothermic wire 2; Some otch 4 on bus insulation layer are in being equally spaced, the coiling length of Electrothermic wire 2 between adjacent cut 4 is equal, Electrothermic wire between two adjacent otch 4 forms an independent heating unit, and such as, in Fig. 1 shown in 21, some heating units with same resistance are set up in parallel; A signal conductor 6 is provided with between the zone of heating that Electrothermic wire 2 is formed and thermal insulation packing layer 5.This aqueduct every meter power is only 38.5% of traditional heating tape heating arrangement, and every meter of power only needs 8W just can realize thawing of water pipe, and heat-transfer effect is good, and energy consumption is low.

As shown in Figure 1 to Figure 2, a kind of flue gas sampling pipeline, the outer wall of sampling conduit 1 is coated with zone of heating, thermal insulation packing layer 5 and exocuticle protective layer 7 successively, and thermal insulation packing layer 5 is foamed cotton; Two energising buses 3 be parallel to each other are provided with between the outer wall of zone of heating and sampling conduit 1, zone of heating comprises Electrothermic wire 2, Electrothermic wire 2 is along sampling conduit 1 length direction uniform winding in the outer wall of sampling conduit 1, energising bus 3 bundlees, fits in the outer wall of sampling conduit 1 by Electrothermic wire 2, energising bus 3 periphery is coated with bus insulation layer, bus insulation layer is interval with otch 4 along the length direction of energising bus 3, energising bus 3 is exposed at otch 4 place, and the energising bus 3 at otch 4 place contacts with Electrothermic wire 2; Some otch 4 on bus insulation layer are in being equally spaced, the coiling length of Electrothermic wire 2 between adjacent cut 4 is equal, Electrothermic wire between two adjacent otch 4 forms an independent heating unit, and such as, in Fig. 1 shown in 21, some heating units with same resistance are set up in parallel; A signal conductor 6 is provided with between the zone of heating that Electrothermic wire 2 is formed and thermal insulation packing layer 5.

As shown in Figure 1 to Figure 2, a kind of oil transport pipeline of diesel engine, the outer wall of oil transport pipeline 1 is coated with zone of heating, thermal insulation packing layer 5 and exocuticle protective layer 7 successively, and thermal insulation packing layer 5 is foamed cotton; Two energising buses 3 be parallel to each other are provided with between the outer wall of zone of heating and oil transport pipeline 1, zone of heating comprises Electrothermic wire 2, Electrothermic wire 2 is along oil transport pipeline 1 length direction uniform winding in the outer wall of oil transport pipeline 1, energising bus 3 bundlees, fits in the outer wall of oil transport pipeline 1 by Electrothermic wire 2, energising bus 3 periphery is coated with bus insulation layer, bus insulation layer is interval with otch 4 along the length direction of energising bus 3, energising bus 3 is exposed at otch 4 place, and the energising bus 3 at otch 4 place contacts with Electrothermic wire 2; Some otch 4 on bus insulation layer are in being equally spaced, the coiling length of Electrothermic wire 2 between adjacent cut 4 is equal, Electrothermic wire between two adjacent otch 4 forms an independent heating unit, and such as, in Fig. 1 shown in 21, some heating units with same resistance are set up in parallel; A signal conductor 6 is provided with between the zone of heating that Electrothermic wire 2 is formed and thermal insulation packing layer 5.The oil transport pipeline of this diesel engine can have realization to the diesel oil homogeneous heating in pipe, guarantees diesel engine smooth startup at low ambient temperatures.

Claims

1. a pipeline heating structure, comprise the zone of heating of the outer wall being coated on pipeline, two energising buses be parallel to each other are provided with between the outer wall of described zone of heating and described pipeline, described zone of heating comprises Electrothermic wire, the outer wall of described Electrothermic wire along pipe lengths uniform winding in described pipeline, described energising bus is bundled by described Electrothermic wire, fit in the outer wall of described pipeline, described energising bus periphery is coated with bus insulation layer, described bus insulation layer is interval with otch along the length direction of described energising bus, described energising bus is exposed in described incision, the energising bus of described incision contacts with described Electrothermic wire.

2. a kind of pipeline heating structure according to claim 1, is characterized in that: the some described otch on described bus insulation layer is in being equally spaced, and the coiling length of described Electrothermic wire between adjacent cut is equal.

3. a kind of pipeline heating structure according to claim 1, it is characterized in that: described zone of heating is coated with thermal insulation packing layer, described thermal insulation packing layer is coated with outer skin protective layer.

4. a kind of pipeline heating structure according to claim 3, is characterized in that: described thermal insulation packing layer is foamed cotton.

5. a kind of pipeline heating structure according to claim 1, is characterized in that: be provided with a signal conductor between the zone of heating that described Electrothermic wire is formed and described thermal insulation packing layer.

6., according to described a kind of pipeline heating structure arbitrary in Claims 1 to 5, it is characterized in that: described pipeline is the aqueduct of solar water heater or the oil transport pipeline of flue gas sampling pipeline or diesel engine.