A fuel type tracing heater, a tracing heating system and a using method

By using microbial decomposition of oxidized fuel gas exothermic fuel tracing in the heat tracing system, the dependence problem on boiler water circulation and power supply in the prior art is solved, and stable and safe pipeline heating tracing without the need for external power supply or hot water sources in the field environment is achieved.

CN111946928BActive Publication Date: 2025-06-24CHANGQING ENGINEERING DESIGN CO LTD +1
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Patent Information

Application Number
CN202010840476.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-20
Publication Date
2025-06-24
Estimated Expiration
2040-08-20

AI Technical Summary

Technical Problem

The existing steam traction belt requires boiler water circulation, and the electric traction belt relies on stable power supply, limiting its use in the wild and away from living environments.

Method used

Fuel-type heat tracing is adopted to expel heat by decomposing and oxidizing fuel gas through microbial decomposition to achieve heat tracing of pipelines and get rid of the dependence on boiler water circulation and power supply. The system includes a protective shell, a hard medium for microbials, a fuel gas pipe and an air pipe, which utilizes wind and pressure to provide fuel gas and air, where the microorganisms oxidize and decompose to generate heat.

Benefits of technology

It realizes that the fuel gas is generated by oxidation and decomposition of microorganisms without the need for external power supply or hot water sources, providing a stable and safe heat tracing source, which is simple to operate and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention belongs to the technical field of pipeline tracing, and particularly relates to a fuel type tracing tape, a tracing system and a usage method. A fuel type tracing tape includes a protective housing; a microbial hard medium, with interconnected medium pores distributed in the microbial hard medium; a fuel gas pipe located inside the microbial hard medium, with a plurality of fuel gas pipe diffusion holes distributed on the surface, and the fuel gas pipe diffusion holes communicate with the medium pores; an air pipe, located inside the microbial hard medium, with a plurality of air pipe diffusion holes distributed on the surface, and the air pipe diffusion holes communicate with the medium pores. The present invention relies on wind power and the pressure during the production process to supply fuel while directly utilizing the fuel gas energy substance by microorganisms to achieve heat supply, with simple operation and convenient use.
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Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline tracing, and particularly relates to a fuel type tracing tape, a tracing system and a using method thereof. Background Art

[0002] Tracing tapes are widely used in various pipelines and equipment that require temperature control. By means of winding and laying, heat is transferred directly or indirectly to reach a specific working temperature.

[0003] Currently, tracing tapes are mainly divided into steam tracing tapes and electric tracing tapes. As a product with relatively large restrictive conditions, steam tracing tapes often require boiler water circulation to operate normally. Due to the large tracing area, the heat reception is uneven. Electric tracing tapes use the heat generated by electric heating to supplement the heat dissipated during the process operation, with high efficiency. However, electric tracing tapes rely on a stable power supply, which is a limitation in their use. In the wild, far from living and residential environments, power supply is often unavailable. Summary of the Invention

[0004] In view of the above problems, the purpose of the present invention is to provide a fuel type tracing tape, a tracing system and a using method thereof, which use the heat released by the microbial decomposition and oxidation of fuel gas to get rid of the use limitations of steam tracing tapes that require boiler water circulation and electric tracing tapes that require a power source, and quickly and conveniently conduct pipeline tracing.

[0005] The technical solution of the present invention lies in:

[0006] A fuel type tracing tape includes a protective housing; a microbial hard medium, which is located inside the protective housing and is provided with a number of interconnected medium pores; a fuel gas pipe, which is located inside the microbial hard medium and has a through fuel gas pipe cavity in its center, and a plurality of fuel gas pipe escape holes are distributed on the surface of the fuel gas pipe, and the fuel gas pipe escape holes are communicated with the medium pores; an air pipe, which is located inside the microbial hard medium and is arranged in parallel with the fuel gas pipe, and has a through air pipe cavity in its center, and a plurality of air pipe escape holes are distributed on the surface of the air pipe, and the air pipe escape holes are communicated with the medium pores.

[0007] The material of the protective housing is a heat-conducting material, and there is a polymer wrapping layer between the protective housing and the microbial hard medium.

[0008] The number of the fuel gas pipes is the same as that of the air pipes, both are ≥1, and they are correspondingly distributed.

[0009] The medium pores are micron-level pores.

[0010] A fuel-assisted heating system includes any one of the fuel-assisted heating tapes described above, and also includes an air supply duct, an exhaust gas duct, and a fuel gas supply duct that are respectively connected to the main body of the fuel-assisted heating tape. The other ends of the air supply duct and the exhaust gas duct are connected to a wind cap, and the other end of the fuel gas supply duct is connected to the fuel gas supply unit.

[0011] A first control valve is installed between the air supply duct and the main body of the fuel-assisted heating tape, and the first control valve is a one-way check valve.

[0012] A third control valve is installed between the exhaust gas duct and the main body of the fuel-assisted heating tape, and the third control valve is a one-way check valve.

[0013] A second control valve is installed between the fuel gas supply duct and the main body of the fuel-assisted heating tape, and the second control valve is a one-way check valve.

[0014] A method for using a fuel-assisted heating system includes the following steps;

[0015] Step 1: Install the main body of the fuel-assisted heating tape on the pipe or equipment to be heated by winding and laying.

[0016] Step 2: Connect one end of the main body of the fuel-assisted heating tape in sequence to the first control valve, the air supply duct, the wind cap, the third control valve, the exhaust gas duct, and the wind cap; connect the other end of the main body of the fuel-assisted heating tape in sequence to the second control valve, the fuel gas supply duct, and the fuel gas supply unit.

[0017] Step 3: Open the first control valve, the second control valve, and the third control valve. Supply fuel gas from the wind cap air and the fuel gas supply unit. The microorganisms in the main body of the fuel-assisted heating tape continuously oxidize and decompose to generate heat, and the generated exhaust gas is discharged through the exhaust gas duct.

[0018] The technical effects of the present invention are as follows:

[0019] 1. The present invention realizes the slow oxidation and decomposition in the microorganism area inside the heating tape to generate heat sources through measures such as "protective housing + polymer wrapping layer" to isolate the outside world. The heat sources are stable and safe; at the same time, independent one-way check valves are respectively set for the air and fuel gas inlet interfaces of the heating system, which can prevent the mixing of air and fuel gas in the non-microorganism area and avoid potential explosion risks. 2. The present invention does not require an external power source or hot water source to generate heat. Relying on wind power and the pressure during the production process, while realizing fuel supply, it directly uses the fuel gas energy substance by microorganisms to realize heat energy supply, with simple operation and convenient use.

[0020] The following will be further described with reference to the accompanying drawings. Brief Description of the Drawings

[0021] Figure 1 This is a schematic cross-sectional view of a fuel type heat tracing belt of the present invention.

[0022] Figure 2 This is a schematic structural view of a fuel type heat tracing system of the present invention.

[0023] Reference Numerals: 1 - fuel gas pipe escape hole, 2 - fuel gas pipe cavity, 3 - fuel gas pipe, 4 - outer protective housing, 5 - culture medium pores, 6 - air pipe cavity, 7 - air pipe, 8 - air pipe escape hole, 9 - microbial hard culture medium, 10 - polymer coating layer, 11 - wind cap, 12 - air supply duct, 13 - first control valve, 14 - second control valve, 15 - heat tracing belt main body, 16 - fuel gas supply pipe, 17 - fuel gas supply unit, 18 - waste exhaust pipe, 19 - third control valve. Detailed Description of the Invention

[0024] Example 1

[0025] In order to overcome the usage limitations of steam heat tracing belts that require boiler water circulation and electric heat tracing belts that require power supply, and to quickly and conveniently perform pipeline heat tracing, the present invention provides a fuel type heat tracing system as shown in Figure 2 shown. This system uses a fuel type heat tracing belt as shown in Figure 1 shown. Relying on wind power and the pressure during the production process, while realizing fuel supply, it directly utilizes the fuel gas energy substance by microorganisms to achieve heat energy supply. The operation is simple and the use is convenient.

[0026] A fuel type heat tracing belt includes a protective housing 4;

[0027] A microbial hard culture medium 9, the microbial hard culture medium 9 is located inside the protective housing 4, and is provided with a number of interconnected culture medium pores 5;

[0028] A fuel gas pipe 3, the fuel gas pipe 3 is located inside the microbial hard culture medium 9, and has a through fuel gas pipe cavity 2 at its center. A plurality of fuel gas pipe escape holes 1 are distributed on the surface of the fuel gas pipe 3, and the fuel gas pipe escape holes 1 are communicated with the culture medium pores 5;

[0029] An air pipe 7, the air pipe 7 is located inside the microbial hard culture medium 9, is arranged in parallel with the fuel gas pipe 3, and has a through air pipe cavity 6 at its center. A plurality of air pipe escape holes 8 are distributed on the surface of the air pipe 7, and the air pipe escape holes 8 are communicated with the culture medium pores 5.

[0030] In the present invention, microorganisms on the microbial hard medium 9 oxidize and decompose to generate heat under the conditions that the fuel gas pipe 3 supplies fuel gas and the air pipe 7 supplies air, forming a stable heat source for accompaniment. No external power source or hot water source is required, and no open flame is generated during the heat release process of the microorganisms. The operation is simple, and it is convenient and safe to use.

[0031] Example 2

[0032] Based on Example 1, in this example, preferably, the material of the protective housing 4 is a heat-conducting material, and there is a polymer wrapping layer 10 between the protective housing 4 and the microbial hard medium 9.

[0033] The number of the fuel gas pipes 3 and the air pipes 7 is the same, both ≥ 1, and they are correspondingly distributed.

[0034] The pores 5 of the medium are micron-sized pores.

[0035] As Figure 1 As shown, through the protective housing 4 and the polymer wrapping layer 9, the present invention can isolate the external space between the microbial hard medium 9 and the protective housing 4, realize the slow oxidation and decomposition in the microbial area inside the heat tracing belt to generate heat, prevent the fuel gas from mixing with the external air and exploding, which is beneficial to the safety of the heat source. The use of a heat-conducting material for the protective housing 4 facilitates the rapid heat tracing of the heat tracing belt; the number of the fuel gas pipes 3 and the air pipes 7 is the same and they are correspondingly distributed, which is conducive to the full mixing of the fuel gas and the air, facilitating the more sufficient oxidation and decomposition of the microorganisms, and improving the heat tracing efficiency.

[0036] Example 3

[0037] A fuel-type heat tracing system includes any one of the fuel-type heat tracing belts described above, and also includes an air supply duct 12, an exhaust gas duct 18 and a fuel gas supply duct 16 which are respectively connected to the main body 15 of the fuel-type heat tracing belt. The other ends of the air supply duct 12 and the exhaust gas duct 18 are connected to a wind cap 11, and the other end of the fuel gas supply duct 16 is connected to the fuel gas supply unit 17.

[0038] As Figure 2 As shown, the present invention relies on the wind cap 11 to supply air and the fuel gas supply unit 17 to supply fuel gas. While realizing fuel supply, it directly utilizes the fuel gas energy substance by microorganisms to realize heat energy supply. The operation is simple and it is convenient to use.

[0039] Example 4

[0040] On the basis of Embodiment 3, in this embodiment, preferably, a first control valve 13 is installed between the air supply duct 12 and the fuel type heat tracing tape main body 15, and the first control valve 13 is a one-way check valve. A third control valve 19 is installed between the exhaust gas pipe 18 and the fuel type heat tracing tape main body 15, and the third control valve 19 is a one-way check valve. A second control valve 14 is installed between the fuel gas supply pipe 16 and the fuel type heat tracing tape main body 15, and the second control valve 14 is a one-way check valve.

[0041] As Figure 2 shown, the first control valve 13 and the second control valve 14 of the present invention are both one-way check valves, which effectively prevent the air and fuel gas in the heat tracing system from flowing back, and can avoid the mixing of air and fuel gas in the non-microbial area and explosion.

[0042] Embodiment 5

[0043] A use method of a fuel type heat tracing system, adopting any one of the above-mentioned fuel type heat tracing systems, includes the following steps;

[0044] Step 1: Install the fuel type heat tracing tape main body 15 on the pipeline or equipment to be heat traced by means of winding and laying;

[0045] Step 2: Connect one end of the fuel type heat tracing tape main body 15 in sequence to the first control valve 13, the air supply duct 12, the wind power cap 11, and the third control valve 19, the exhaust gas pipe 18, the wind power cap 11; connect the other end of the fuel type heat tracing tape main body 15 in sequence to the second control valve 14, the fuel gas supply pipe 16, and the fuel gas supply unit 17;

[0046] Step 3: Open the first control valve 13, the second control valve 14, and the third control valve 19. Supply fuel gas by the air and the fuel gas supply unit 17 of the wind power cap 11. The microorganisms in the fuel type heat tracing tape main body 15 continuously oxidize and decompose to generate heat, and the generated exhaust gas is discharged through the exhaust gas pipe 18.

[0047] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention.

Claims

1. A fuel-based tracing system, characterized in that: Including a fuel type heat tracing band, the fuel type heat tracing band includes: a protective housing (4); a microbial hard medium (9), the microbial hard medium (9) is located inside the protective housing (4), and is provided with a number of interconnected medium pores (5); a fuel gas pipe (3), the fuel gas pipe (3) is located inside the microbial hard medium (9), and there is a penetrating fuel gas pipe cavity (2) in its center, and a plurality of fuel gas pipe diffusion holes (1) are distributed on the surface of the fuel gas pipe (3), and the fuel gas pipe diffusion holes (1) are communicated with the medium pores (5); an air pipe (7), the air pipe (7) is located inside the microbial hard medium (9), is arranged in parallel with the fuel gas pipe (3), and there is a penetrating air pipe cavity (6) in its center, and a plurality of air pipe diffusion holes (8) are distributed on the surface of the air pipe (7), and the air pipe diffusion holes (8) are communicated with the medium pores (5); an air supply duct (12), an exhaust gas duct (18), and a fuel gas supply pipe (16) respectively connected to the fuel type heat tracing band main body (15) of the fuel type heat tracing band, the other ends of the air supply duct (12) and the exhaust gas duct (18) are connected to a wind cap (11), the other end of the fuel gas supply pipe (16) is connected to a fuel gas supply unit (17), a first control valve (13) is installed between the air supply duct (12) and the fuel type heat tracing band main body (15), the first control valve (13) is a one-way check valve, a third control valve (19) is installed between the exhaust gas duct (18) and the fuel type heat tracing band main body (15), the third control valve (19) is a one-way check valve, a second control valve (14) is installed between the fuel gas supply pipe (16) and the fuel type heat tracing band main body (15), and the second control valve (14) is a one-way check valve.

2. The fuel-type tracing system according to claim 1, wherein: There is a polymer wrapping layer (10) between the protective housing (4) and the microbial hard medium (9).

3. The fuel-type tracing system according to claim 1, wherein: The number of the fuel gas pipes (3) and the air pipes (7) is the same, both ≥ 1, and they are correspondingly distributed.

4. The fuel - type tracing system according to claim 1, characterized in that: The medium pores (5) are micron-level pores.

5. The fuel - type tracing system according to claim 1, characterized in that: The material of the protective housing (4) is a heat-conducting material.

6. The usage method of a fuel-type tracing system according to claim 1, characterized in that: Including the following steps; Step 1, install the fuel type heat tracing band main body (15) on the pipe or equipment to be heat traced by means of winding and laying. Step 2, sequentially connect one end of the fuel type heat tracing band main body (15) to a first control valve (13), an air supply duct (12), a wind cap (11), a third control valve (19), an exhaust gas duct (18), and a wind cap (11); connect the other end of the fuel type heat tracing band main body (15) to a second control valve (14), a fuel gas supply pipe (16), and a fuel gas supply unit (17) in sequence. Step 3: Open the first control valve (13), the second control valve (14), and the third control valve (19). Supply air by the wind power air cap (11) and supply fuel gas by the fuel gas supply unit (17). Microorganisms in the fuel type heat tracing tape main body (15) continuously oxidize and decompose to generate heat, and the generated waste gas is discharged through the waste gas exhaust pipe (18).

Citation Information

Patent Citations

  • Fuel type heat tracing band and heat tracing system

    CN212745506U