阅读说明：本技术 一种并联恒功率电伴热带 (Parallel constant-power electric tracing band ) 是由 李贻连 卜基峰 姚月凤 于 2020-04-29 设计创作，主要内容包括：本发明提出了一种并联恒功率电伴热带,包括管道、第一伴热带和第二伴热带,第一伴热带、第二伴热带均呈弧形结构,第一伴热带、第二伴热带相对布置在管道两侧并沿管道轴向延伸；第一伴热带外弧面上贴合设置有第一安装套,第一安装套两端均设有向第二伴热带方向延伸的第一连接台；第二伴热带外弧面上贴合设置有第二安装套,第二安装套两端均设有向第一伴热带方向延伸的第二连接台。本发明在第一伴热带、第二伴热带外部分别设置第一安装套、第二安装套,能够起到保温作用,提高加热效率,并提供伴热带的伴热温度的稳定性；通过在第一安装套两端设置第一连接台、第二安装套两端设置第二连接台,方便第一伴热带、第二伴热带的安装。(The invention provides a parallel constant-power electric tracing band, which comprises a pipeline, a first tracing band and a second tracing band, wherein the first tracing band and the second tracing band are both in arc structures and are oppositely arranged on two sides of the pipeline and extend along the axial direction of the pipeline; a first mounting sleeve is attached to the outer arc surface of the first heat tracing band, and first connecting platforms extending towards the direction of the second heat tracing band are arranged at two ends of the first mounting sleeve; the second heat tracing band is provided with a second mounting sleeve in a fitting mode on the outer arc surface of the second heat tracing band, and second connecting platforms extending towards the direction of the first heat tracing band are arranged at two ends of the second mounting sleeve. The first mounting sleeve and the second mounting sleeve are respectively arranged outside the first heat tracing band and the second heat tracing band, so that a heat preservation effect can be achieved, the heating efficiency is improved, and the heat tracing temperature stability of the heat tracing bands is provided; the first connecting tables are arranged at the two ends of the first mounting sleeve, and the second connecting tables are arranged at the two ends of the second mounting sleeve, so that the first heat tracing band and the second heat tracing band can be conveniently mounted.)

1. The parallel constant-power electric tracing band is characterized by comprising a pipeline (1), a first tracing band (2) and a second tracing band (3), wherein the first tracing band (2) and the second tracing band (3) are both arc-shaped structures, the first tracing band (2) and the second tracing band (3) are oppositely arranged on two sides of the pipeline (1) and axially extend along the pipeline (1), and the inner arc surfaces of the first tracing band (2) and the second tracing band (3) are attached to the outer wall of the pipeline (1);

a first mounting sleeve (4) is attached to the outer arc surface of the first heat tracing band (2), first connecting tables (5) extending towards the second heat tracing band (3) are arranged at two ends of the first mounting sleeve (4), and a plurality of first assembling holes are arranged at intervals along the length direction of the first connecting tables (5);

the second companion tropical (3) is laminated on the extrados and is provided with second installation cover (6), and second installation cover (6) both ends all are equipped with second connection platform (7) that extend to first companion tropical (2) direction, and second connection platform (7) have a plurality of second pilot holes along its length direction interval arrangement, and a plurality of second pilot holes communicate and second pilot hole and first pilot hole pass through screwed connection with a plurality of first pilot holes one-to-one respectively.

2. The parallel constant-power electric tracing band according to claim 1, wherein the first mounting sleeve (4) is provided in plurality, and the plurality of first mounting sleeves (4) are arranged at intervals in the axial direction of the pipeline (1).

3. The parallel constant-power electric tracing band according to claim 1, wherein the second mounting sleeve (6) is provided in plurality, and the plurality of second mounting sleeves (6) are arranged at intervals in the axial direction of the pipeline (1).

4. The parallel constant-power electric tracing band according to any one of claims 1 to 3, wherein two ends of the first mounting sleeve (4) wrap two ends of the first tracing band (2) respectively and extend inwards to be attached to the outer wall of the pipeline (1).

5. The parallel constant-power electric tracing band according to any one of claims 1 to 3, wherein two ends of the second mounting sleeve (6) are respectively wrapped on two ends of the second tracing band (3) and extend inwards to be attached to the outer wall of the pipeline (1).

6. The parallel constant-power electric tracing band according to any one of claims 1 to 3, wherein the first tracing band (2) comprises a first conducting wire (21), a first inner sheath insulating layer (22), a first heat-generating layer (23), a first outer sheath layer (24), a first metal shielding layer (25), a first reinforcing sheath layer (26), the first conducting wire (21) is in an arc-shaped structure, and the first conducting wire (21) is wrapped with a first inner insulating layer (27); first inner sheath insulating layer (22), first heat-generating layer (23), first oversheath layer (24), first metallic shield layer (25), first enhancement restrictive coating (26) are wrapped up in proper order in first inner insulation layer (27) outside, the inner arc side of first oversheath layer (24) is close to first metallic shield layer (25) one side and is the corrugate, the inner arc side of first metallic shield layer (25) is close to first oversheath layer (24) one side and is the corrugate and leave the clearance between first metallic shield layer (25) and first oversheath layer (24) and form first heat conduction chamber, first heat conduction intracavity packing has first heat-conducting layer (28).

7. The parallel constant-power electric tracing band according to any one of claim 6, wherein the outer arc side of the first outer sheath layer (24) is corrugated near the first metal shielding layer (25), the outer arc side of the first metal shielding layer (25) is corrugated near the first outer sheath layer (24), a gap is left between the first metal shielding layer (25) and the first outer sheath layer (24) to form a first heat insulation cavity, and the first heat insulation cavity is filled with a first heat insulation layer (29).

8. The parallel constant-power electric tracing band according to any one of claims 1 to 3, wherein the second tracing band (3) comprises a second lead (31), a second inner sheath insulation layer (32), a second heat generating layer (33), a second outer sheath layer (34), a second metal shielding layer (35), a second reinforcing sheath layer (36), the second lead (31) is in an arc structure, and the second lead (31) is wrapped with a second inner insulation layer (37); second inner sheath insulating layer (32), the second generates heat layer (33), second outer restrictive coating (34), second metallic shield layer (35), restrictive coating (36) are strengthened to the second and are wrapped up in second inner insulation layer (37) outside in proper order, the inner arc side of second outer restrictive coating (34) is close to second metallic shield layer (35) one side and is the corrugate, the inner arc side of second metallic shield layer (35) is close to second outer restrictive coating (34) one side and is the corrugate and leave the clearance between second metallic shield layer (35) and second outer restrictive coating (34) and form second heat conduction chamber, second heat conduction intracavity packing has second heat conduction layer (38).

9. The parallel constant-power electric tracing band according to any one of claim 6, wherein the outer arc side of the second outer sheath layer (34) is corrugated near the second metal shielding layer (35), the outer arc side of the second metal shielding layer (35) is corrugated near the second outer sheath layer (34), a gap is left between the second metal shielding layer (35) and the second outer sheath layer (34) to form a second heat insulation cavity, and the second heat insulation cavity is filled with a second heat insulation layer (39).

Technical Field

The invention relates to the technical field of electric tracing bands, in particular to a parallel constant-power electric tracing band.

Background

The electric tracing band is a novel high-tech product, which is widely applied to the fields of transportation of liquid objects in pipelines, anti-freezing and heat preservation of tank bodies, process temperature maintenance, heating of roads, ramps, pedestrian crossings, eave and floors and the like since the 70 th century ago when the electric tracing band enters the application field. When the traditional electric tracing band for pipelines is used, the electric tracing band is fixed with the pipelines through the fixing band, the connection stability is not high, the electric tracing band often has the conditions of deviation and shaking and the like, the working effect of the electric tracing band is influenced, the heat preservation effect is poor, and the energy consumption of the electric tracing band is large.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides a parallel constant-power electric tracing band.

The invention provides a parallel constant-power electric tracing band which comprises a pipeline, a first tracing band and a second tracing band, wherein the first tracing band and the second tracing band are both in arc structures, the first tracing band and the second tracing band are oppositely arranged on two sides of the pipeline and extend along the axial direction of the pipeline, and the inner arc surfaces of the first tracing band and the second tracing band are attached to the outer wall of the pipeline;

a first mounting sleeve is attached to the outer arc surface of the first heat tracing band, two ends of the first mounting sleeve are respectively provided with a first connecting table extending towards the direction of the second heat tracing band, and a plurality of first assembling holes are arranged at intervals along the length direction of the first connecting table;

the second companion tropical outer cambered surface is gone up the laminating and is provided with the second installation cover, and second installation cover both ends all are equipped with the second connection platform to the extension of first companion tropical direction, and the second connection platform has a plurality of second pilot holes along its length direction interval arrangement, and a plurality of second pilot holes communicate and second pilot hole and first pilot hole pass through screwed connection with a plurality of first pilot holes one-to-one respectively.

Preferably, the first mounting sleeve is provided in plurality, and the plurality of first mounting sleeves are arranged at intervals along the axial direction of the pipeline.

Preferably, the second mounting sleeve is provided in plurality, and a plurality of the second mounting sleeves are arranged at intervals along the axial direction of the pipeline.

Preferably, the two ends of the first installation sleeve are wrapped by the two ends of the first heat tracing band respectively and extend inwards to be attached to the outer wall of the pipeline.

Preferably, the two ends of the second mounting sleeve are wrapped by the two ends of the second heat tracing band respectively and extend backwards to be attached to the outer wall of the pipeline.

Preferably, the first heat tracing band comprises a first lead, a first inner sheath insulating layer, a first heat generating layer, a first outer sheath layer, a first metal shielding layer and a first reinforcing sheath layer, wherein the first lead is of an arc structure, and the first inner insulating layer is wrapped outside the first lead; first inner sheath insulating layer, first heat-generating layer, first oversheath layer, first metallic shield layer, first enhancement restrictive coating wrap up in proper order in first inner insulation layer outside, and the inner arc side of first oversheath layer is close to first metallic shield layer one side and is the corrugate, and the inner arc side of first metallic shield layer is close to first oversheath layer one side and is the corrugate and leave the clearance and form first heat conduction chamber between first metallic shield layer and the first oversheath layer, and first heat conduction intracavity is filled has first heat-conducting layer.

Preferably, the outer arc side of the first outer sheath layer is corrugated near the first metal shielding layer, the outer arc side of the first metal shielding layer is corrugated near the first outer sheath layer, a gap is left between the first metal shielding layer and the first outer sheath layer to form a first heat insulation cavity, and a first heat insulation layer is filled in the first heat insulation cavity.

Preferably, the second heat tracing band comprises a second lead, a second inner sheath insulating layer, a second heating layer, a second outer sheath layer, a second metal shielding layer and a second reinforcing sheath layer, the second lead is of an arc-shaped structure, and the second inner insulating layer is wrapped outside the second lead; the second inner sheath insulating layer, the second generates heat the layer, the second outer sheath layer, the second metallic shield layer, the sheath layer is strengthened to the second and wraps up in proper order in the second inner insulation layer outside, the inner arc side of the second outer sheath layer is close to the second metallic shield layer one side and is the corrugate, the inner arc side of second metallic shield layer is close to the second outer sheath layer one side and is the corrugate and leave the clearance between the second metallic shield layer and the second outer sheath layer and form the second heat conduction chamber, the second heat conduction intracavity is filled there is the second heat-conducting layer.

Preferably, the outer arc side of the second outer sheath layer is corrugated near the second metal shielding layer, the outer arc side of the second metal shielding layer is corrugated near the second outer sheath layer, a gap is left between the second metal shielding layer and the second outer sheath layer to form a second heat insulation cavity, and a second heat insulation layer is filled in the second heat insulation cavity.

According to the parallel constant-power electric tracing band provided by the invention, the first tracing band and the second tracing band are of arc structures and can be attached to the outer wall of a pipeline, so that the heating area is increased, and the heating speed is increased; the first mounting sleeve and the second mounting sleeve are respectively arranged outside the first heat tracing band and the second heat tracing band, so that a heat preservation effect can be achieved, the heating efficiency is improved, and the stability of the heat tracing temperature of the heat tracing band is provided; the first connecting tables are arranged at the two ends of the first mounting sleeve, and the second connecting tables are arranged at the two ends of the second mounting sleeve, so that the first heat tracing band and the second heat tracing band can be conveniently mounted.

Drawings

Fig. 1 is a schematic structural view of a parallel constant-power electric tracing band according to the present invention.

Detailed Description

Referring to fig. 1, the invention provides a parallel constant-power electric heat tracing band, which comprises a pipeline 1, a first heat tracing band 2 and a second heat tracing band 3, wherein the first heat tracing band 2 and the second heat tracing band 3 are both arc-shaped structures, the first heat tracing band 2 and the second heat tracing band 3 are oppositely arranged at two sides of the pipeline 1 and extend along the axial direction of the pipeline 1, and the inner cambered surfaces of the first heat tracing band 2 and the second heat tracing band 3 are both attached to the outer wall of the pipeline 1.

The laminating is provided with a plurality of first installation cover 4 along 1 axial interval arrangement of pipeline on the 2 extrados of first companion tropical, and the laminating of extension and 1 outer wall of pipeline in 2 both ends of first companion tropical are wrapped up respectively to first installation cover 4 both ends, and 4 both ends of first installation cover all are equipped with the first joint stage 5 that extends to 3 directions of second companion tropical, and first joint stage 5 has a plurality of first pilot holes along its length direction interval arrangement.

The laminating is provided with a plurality of second installation covers 6 along 1 axial interval arrangement of pipeline on the 3 extrados of second companion tropical, 6 both ends of second installation cover wrap up respectively 3 both ends of second companion tropical and extend to interior with the laminating of 1 outer wall of pipeline, 6 both ends of second installation cover all are equipped with the second connection platform 7 to 2 directions extensions of first companion tropical, second connection platform 7 has a plurality of second pilot holes along its length direction interval arrangement, a plurality of second pilot holes communicate and second pilot hole and first pilot hole pass through screwed connection with a plurality of first pilot holes one-to-one respectively.

In the invention, the first heat tracing band 2 and the second heat tracing band 3 are arc-shaped structures and can be attached to the outer wall of the pipeline 1, so that the heating area is increased and the heating speed is increased; the first mounting sleeve 4 and the second mounting sleeve 6 are respectively arranged outside the first heat tracing band 2 and the second heat tracing band 3, so that a heat preservation effect can be achieved, the heating efficiency is improved, and the heat tracing temperature stability of the heat tracing bands is provided; the first connecting tables 5 are arranged at the two ends of the first mounting sleeve 4, and the second connecting tables 7 are arranged at the two ends of the second mounting sleeve 6, so that the first heat tracing band 2 and the second heat tracing band 3 can be conveniently mounted, the mounting structures of the first heat tracing band 2 and the second heat tracing band 3 are stable, and the first heat tracing band 2 and the second heat tracing band 3 cannot deviate or shake.

In a specific embodiment, the first heat trace band 2 includes a first wire 21, a first inner sheath insulation layer 22, a first heat-generating layer 23, a first outer sheath layer 24, a first metal shield layer 25, and a first reinforcing sheath layer 26. The first wire 21 is of an arc-shaped structure, a first inner insulating layer 27 wraps the first wire 21, and the first inner sheath insulating layer 22, the first heat-generating layer 23, the first outer sheath layer 24, the first metal shielding layer 25 and the first reinforcing sheath layer 26 wrap the first inner insulating layer 27 in sequence.

Further, one surface of the inner arc side of the first outer sheath layer 24, which is close to the first metal shielding layer 25, is corrugated, one surface of the inner arc side of the first metal shielding layer 25, which is close to the first outer sheath layer 24, is corrugated, a gap is left between the first metal shielding layer 25 and the first outer sheath layer 24 to form a first heat conduction cavity, and the first heat conduction cavity is filled with a first heat conduction layer 28.

Further, one surface of the outer arc side of the first outer sheath layer 24, which is close to the first metal shielding layer 25, is corrugated, one surface of the outer arc side of the first metal shielding layer 25, which is close to the first outer sheath layer 24, is corrugated, a gap is left between the first metal shielding layer 25 and the first outer sheath layer 24 to form a first heat insulation cavity, and a first heat insulation layer 29 is filled in the first heat insulation cavity.

In this embodiment, the corrugated first heat conduction layer 28 and the first heat insulation layer 29 are provided in the first heat trace band 2, so that the heat conduction speed to the inside is increased and the heat transfer speed to the outside is decreased.

In a specific embodiment, the second heat trace band 3 includes a second conductive wire 31, a second inner sheath insulating layer 32, a second heat generating layer 33, a second outer sheath layer 34, a second metal shielding layer 35, and a second reinforcing sheath layer 36. The second wire 31 is arc-shaped, and the second wire 31 is wrapped by a second inner insulating layer 37, and the second inner sheath insulating layer 32, the second heating layer 33, the second outer sheath layer 34, the second metal shielding layer 35 and the second reinforcing sheath layer 36 are wrapped by the second inner insulating layer 37 in sequence.

Further, one surface of the inner arc side of the second outer sheath layer 34, which is close to the second metal shielding layer 35, is corrugated, one surface of the inner arc side of the second metal shielding layer 35, which is close to the second outer sheath layer 34, is corrugated, a gap is left between the second metal shielding layer 35 and the second outer sheath layer 34 to form a second heat conduction cavity, and the second heat conduction cavity is filled with a second heat conduction layer 38.

Further, one surface of the second outer sheath layer 34, which is close to the second metal shielding layer 35, is corrugated, one surface of the second metal shielding layer 35, which is close to the second outer sheath layer 34, is corrugated, a gap is left between the second metal shielding layer 35 and the second outer sheath layer 34 to form a second heat insulation cavity, and a second heat insulation layer 39 is filled in the second heat insulation cavity.

In this embodiment, the heat transfer rate to the inside is increased and the heat transfer rate to the outside is decreased by providing the corrugated second heat conductive layer 38 and the second heat insulating layer 39 in the second heat trace band 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.