CN115264220A - Heat tracing pipe and heat tracing pipe module - Google Patents
Heat tracing pipe and heat tracing pipe module Download PDFInfo
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- CN115264220A CN115264220A CN202210884045.4A CN202210884045A CN115264220A CN 115264220 A CN115264220 A CN 115264220A CN 202210884045 A CN202210884045 A CN 202210884045A CN 115264220 A CN115264220 A CN 115264220A
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- layer sleeve
- pipes
- heat tracing
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- 238000001704 evaporation Methods 0.000 claims abstract description 60
- 230000008020 evaporation Effects 0.000 claims abstract description 50
- 238000009833 condensation Methods 0.000 claims abstract description 48
- 230000005494 condensation Effects 0.000 claims abstract description 47
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 239000002912 waste gas Substances 0.000 abstract description 7
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000004321 preservation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 11
- 239000012530 fluid Substances 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L53/00—Heating of pipes or pipe systems; Cooling of pipes or pipe systems
- F16L53/30—Heating of pipes or pipe systems
- F16L53/35—Ohmic-resistance heating
- F16L53/38—Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/18—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The application relates to the technical field of heat exchange equipment, in particular to a heat tracing heat pipe and a heat tracing heat pipe module. The heat tracing pipe comprises an evaporation pipe, a condensation pipe and a circulating pipe; the evaporation pipe comprises a first inner-layer sleeve and a first outer-layer sleeve sleeved on the outer side of the first inner-layer sleeve, and an evaporation cavity used for filling heat exchange working medium is formed between the first outer-layer sleeve and the first inner-layer sleeve; the condensation pipe comprises a second inner-layer sleeve and a second outer-layer sleeve sleeved on the outer side of the second inner-layer sleeve, and a condensation cavity is formed between the second outer-layer sleeve and the second inner-layer sleeve; two ends of the circulating pipe are respectively connected with the first outer-layer sleeve and the second outer-layer sleeve and are communicated with the evaporation cavity and the condensation cavity. The heat tracing pipe module comprises a plurality of heat tracing pipes. This heat tracing pipe and heat tracing pipe module carry out effective collection with the waste gas waste heat of heat source working medium to the transport working medium that is used for treating the heating carries continuous heating and heat preservation, practices thrift power consumption and has improved waste gas waste heat utilization ratio.
Description
Technical Field
The application relates to the technical field of heat exchange equipment, in particular to a heat tracing heat pipe and a heat tracing heat pipe module.
Background
In the field of energy chemical engineering, in the process of conveying cold fluids such as fuel oil, in order to avoid the problem that the cold fluid conveying efficiency is low due to solidification and detention, a heating belt is generally required to be additionally arranged outside a conveying pipeline for heat tracing treatment, so that the aims of heating and heat preservation of the cold fluids such as the fuel oil are fulfilled.
The working principle of the heating belt is resistance wire heating, so that extra electric energy is consumed in a large quantity to heat and preserve heat of cold fluid in conveying, conveying cost is improved, and energy conservation and environmental protection are not facilitated.
Disclosure of Invention
An object of this application is to provide a heat tracing heat pipe and heat tracing heat pipe module to solve the extra electric energy of a large amount of consumptions that exist among the prior art to a certain extent and be used for heating and keeping warm to the cold fluid in carrying, not only improved the cost of transportation, be unfavorable for energy-concerving and environment-protective technical problem moreover.
The application provides a heat tracing heat pipe, which comprises an evaporation pipe, a condensation pipe and a circulating pipe;
the evaporation pipe comprises a first inner layer sleeve and a first outer layer sleeve, the first outer layer sleeve is sleeved outside the first inner layer sleeve, an evaporation cavity is formed between the first outer layer sleeve and the first inner layer sleeve, and the evaporation cavity is used for filling heat exchange working media;
the condensation pipe comprises a second inner layer sleeve and a second outer layer sleeve, the second outer layer sleeve is sleeved on the outer side of the second inner layer sleeve, and a condensation cavity is formed between the second outer layer sleeve and the second inner layer sleeve;
two ends of the circulating pipe are respectively connected with the first outer layer sleeve and the second outer layer sleeve, and the circulating pipe is communicated with the evaporation cavity and the condensation cavity.
In the above technical solution, further, the number of the circulation pipes is plural, and the plural circulation pipes are arranged at intervals along the length direction of the heat tracing pipe.
In any of the above technical solutions, further, a volume of the condensation chamber is larger than a volume of the evaporation chamber.
In any of the above solutions, further, an axis of the first outer sleeve is offset toward the condensation duct with respect to the first inner sleeve.
In any of the above solutions, further, an axis of the second inner sleeve coincides with an axis of the second outer sleeve.
In any of the above technical solutions, further, the inner surface of the circulation pipe and/or the inner surface of the condensation pipe is provided with a wire mesh structure or a capillary structure.
In any of the above technical solutions, further, the first outer casing, the second outer casing or the circulation pipe is provided with a filling hole, and the filling hole is detachably provided with a filling valve.
The application also provides a heat tracing heat pipe module, including any one of the above technical scheme the heat tracing heat pipe, the quantity of heat tracing heat pipe is a plurality of, and is a plurality of the heat tracing heat pipe arranges in order with the relative mode of end to end.
In any of the above technical solutions, further, the evaporation tubes of two adjacent heat tracing heat pipes are welded, or the evaporation tubes of two adjacent heat tracing heat pipes are inserted, or the evaporation tubes of two adjacent heat tracing heat pipes are connected through a connecting flange;
the condenser pipes of the two adjacent heat tracing heat pipes are welded, or the condenser pipes of the two adjacent heat tracing heat pipes are spliced, or the condenser pipes of the two adjacent heat tracing heat pipes are connected through a connecting flange.
In any of the above technical solutions, further, the plurality of heat tracing heat pipes are sequentially arranged at intervals in a head-to-head opposite manner.
Compared with the prior art, the beneficial effect of this application is:
the application provides a heat tracing pipe includes evaporating pipe, condenser pipe and circulating pipe, and evaporating pipe and condenser pipe all adopt the double-pipe construction, and the inside intermediate layer of evaporating pipe forms the evaporation chamber, and the inside intermediate layer of condenser pipe forms the condensation chamber, and the both ends of circulating pipe are connected with evaporating pipe and condenser pipe respectively, and the circulating pipe is linked together evaporation chamber and condensation chamber. The evaporating pipe is used for the overcoat to be in the outside of heat source working medium, the condenser pipe is used for the overcoat to be in the outside of the transport working medium that treats the heating, the heat transfer working medium in the evaporation chamber absorbs heat from the heat source working medium and heaies up and then evaporates, form gaseous heat transfer working medium, gaseous heat transfer working medium flows to the condensation chamber via the circulating pipe, gaseous heat transfer working medium in the condensation chamber is treated the transport working medium that treats the heating and is heated and keep warm, gaseous heat transfer working medium forms liquid heat transfer working medium after cooling down, liquid heat transfer working medium flows back to the evaporation chamber and continues to absorb heat from the heat source working medium, so circulation, can effectively collect the waste gas waste heat of heat source working medium through this companion's heat pipe, and the transport working medium that treats the heating is continuously heated and keeps warm, save power consumption and improved waste gas waste heat utilization ratio.
In addition, the heat tracing heat pipe can be used as a standard part, is easy to install and has high structural reliability.
The application provides a heat tracing heat pipe module, including the aforesaid heat tracing heat pipe, therefore, can realize all beneficial effects of this heat tracing heat pipe. In addition, this heat tracing pipe module's heat tracing pipe quantity is a plurality of, and a plurality of heat tracing pipes arrange in order, set up the heat tracing pipe into the standard component to realized the modularization of this heat tracing pipe module and connected, satisfied and treated the transport working medium that heats and carry out long distance transportation, heating and heat retaining demand, single heat tracing pipe is easily changed.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first schematic structural diagram of a heat trace heat pipe according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a second structural diagram of a heat tracing pipe according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of FIG. 4 at section C-C;
FIG. 6 is an enlarged view of a portion of FIG. 5 at D;
fig. 7 is a partial enlarged view of fig. 5 at E.
Reference numerals are as follows:
1-heat tracing pipe; 10-an evaporation tube; 100-a first inner sleeve; 101-a first outer sleeve; 11-a condenser pipe; 110-a second inner sleeve; 111-a second outer sleeve; 12-a circulation pipe; 13-a filling valve; 14-a heat-absorbing space; 15-a heat release space; 16-an evaporation chamber; 17-condensation chamber.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 7, an embodiment of the present application provides a heat trace heat pipe 1, and the heat trace heat pipe 1 includes an evaporation pipe 10, a condensation pipe 11, and a circulation pipe 12.
Hereinafter, the above-described components of the heat trace heat pipe 1 will be described in detail.
In an alternative of this embodiment, the evaporation tube 10 includes a first inner layer sleeve 100 and a first outer layer sleeve 101, the first outer layer sleeve 101 is sleeved outside the first inner layer sleeve 100, a heat absorption space 14 is formed inside the first inner layer sleeve 100, an evaporation cavity 16 is formed between the first outer layer sleeve 101 and the first inner layer sleeve 100, and the evaporation cavity 16 is used for filling a heat exchange working medium.
Specifically, the heat absorption space 14 is used for circulating a heat source working medium, for example, the heat source working medium is directly introduced into the heat absorption space 14, or a pipeline through which the heat source working medium flows is inserted into the heat absorption space 14, and the first inner casing 100 is in contact with the pipeline through which the heat source working medium flows, so that the heat exchange working medium in the evaporation cavity 16 can absorb heat from the heat source working medium through the first inner casing 100 and then is heated and evaporated, that is, the heat of the heat source working medium is conducted to the heat exchange working medium.
The first inner-layer sleeve 100 is preferably made of a heat conducting material, and the first outer-layer sleeve 101 is preferably made of a heat insulating material, so that the heat exchange rate between the heat source working medium and the heat exchange working medium can be improved, and the heat loss rate of the heat exchange working medium obtained from the heat source working medium can be reduced.
The condensation pipe 11 includes a second inner casing 110 and a second outer casing 111, the second outer casing 111 is sleeved outside the second inner casing 110, a heat releasing space 15 is formed inside the second inner casing 110, and a condensation cavity 17 is formed between the second outer casing 111 and the second inner casing 110.
The two ends of the circulating pipe 12 are respectively connected with the first outer casing 101 and the second outer casing 111, and the circulating pipe 12 is communicated with the evaporation cavity 16 and the condensation cavity 17.
Specifically, the heat exchange working medium is evaporated to form a gaseous heat exchange working medium, the temperature is increased, and the gaseous heat exchange working medium flows into the condensation cavity 17 through the circulating pipe 12.
The heat release space 15 in the second inner sleeve 110 is used for circulating the conveying working medium to be heated, for example, the conveying working medium to be heated is directly introduced into the heat release space 15, or a pipeline for circulating the conveying working medium to be heated is inserted into the heat release space 15, and the second inner sleeve 110 is in contact with the pipeline for circulating the conveying working medium to be heated, so that the high-temperature gaseous heat exchange working medium in the condensation cavity 17 can release heat to the conveying working medium to be heated through the second inner sleeve 110 and then is cooled and liquefied, namely, the heat of the high-temperature gaseous heat exchange working medium is conducted to the conveying working medium to be heated, the purpose of heating or heat preservation of the conveying working medium to be heated is achieved, and the temperature of the conveying working medium is increased.
The material of the second inner-layer sleeve 110 is preferably a heat conducting material, and the material of the second outer-layer sleeve 111 is preferably a heat insulating material, so that the heat exchange rate between the to-be-heated conveying working medium and the heat exchange working medium can be improved, and the low-temperature state of the liquid heat exchange working medium formed after cooling can be reduced and damaged by the external environment before flowing back to the evaporation cavity 16.
It is worth emphasizing that in order to ensure that the heat exchange working medium can form a circulation in the heat tracing pipe 1, in the use state, the heat tracing pipe 1 needs to be installed in a posture that the condensation pipe 11 is positioned above the evaporation pipe 10. Specifically, when the heat tracing pipe 1 works in such a posture, the high-temperature gaseous working medium in the evaporation pipe 10 can flow upwards into the condensation cavity 17 of the condensation pipe 11, and the low-temperature liquid working medium formed after the temperature reduction in the condensation cavity 17 can flow downwards into the evaporation cavity 16 of the evaporation pipe 10 under the action of gravity.
Optionally, the heat exchange working fluid may be deionized water.
Alternatively, the flow cross-sections of the first inner casing 100, the first outer casing 101, the second inner casing 110 and the second outer casing 111 may be circular, elliptical or polygonal, etc., and are typically circular to simplify the structure and to accommodate field conditions.
In this embodiment, in order to improve the circulation efficiency of the heat exchange working medium between the condensation pipe 11 and the condensation pipe 11, the number of the circulation pipes 12 may be set to be plural, for example, two, three or four, and the plural circulation pipes 12 are arranged at intervals along the length direction of the heat tracing pipe 1. Specifically, the number of circulation pipes 12 may be determined according to the demand for heat transfer capacity in the field.
This heat tracing pipe 1 can be used for energy chemical industry field, and the heat source working medium can be waste gas waste heat such as boiler tail gas or geothermol power, and the transport working medium of treating the heating can be for cold fluid such as fuel to can collect waste gas waste heat high efficiency and be used for heating or keeping warm to cold fluid such as fuel through this heat tracing pipe 1, can effectively practice thrift the electric energy, and avoid waste gas waste heat extravagant, energy-concerving and environment-protective.
In the alternative of this embodiment, the volume of condensation chamber 17 is greater than the volume of evaporation chamber 16 to be favorable to reducing the gaseous environment pressure in condensation chamber 17, reduce the gaseous state heat transfer working medium in the evaporation chamber 16 to the resistance that flows in condensation chamber 17, improve smooth and easy nature and the efficiency that gaseous state heat transfer working medium supplied with to condensation chamber 17, and then ensure to wait that the transport working medium that heats and heat retaining promptness.
Specifically, the flow cross-sectional area of the second inner sleeve 110 may be set larger than that of the first inner sleeve 100, so as to meet the structural requirement that the volume of the condensation chamber 17 is larger than that of the evaporation chamber 16. It is understood that when the second inner sleeve 110 and the first inner sleeve 100 are both circular tubes, the inner diameter of the first inner sleeve 100 is smaller than the inner diameter of the second outer sleeve 111, which ensures that the cross-sectional flow area of the second inner sleeve 110 is larger than the cross-sectional flow area of the first inner sleeve 100.
In an alternative of this embodiment, the axis of the first outer jacket 101 is offset with respect to the first inner jacket 100 toward the condenser tube 11, it being understood that the axis of the first outer jacket 101 is a line connecting the centroids of the first outer jacket 101 at any flow cross section and the axis of the first inner jacket 100 is a line connecting the centroids of the first inner jacket 100 at any flow cross section. Thereby evaporating chamber 16 is close to half the volume of condenser pipe 11 and is greater than evaporating chamber 16 and keeps away from half the volume of condenser pipe 11, that is to say, under the user state, evaporating chamber 16's upper portion space is big, is favorable to gaseous state heat transfer working medium to flow upwards more smoothly to sink liquid state heat transfer working medium in evaporating chamber 16's lower part space, thereby realize gas-liquid separation in evaporating chamber 16, can improve heat transfer working medium's circulation efficiency, improve heat exchange efficiency.
It is understood that when the first outer casing 101 and the second inner casing 110 are both circular tubes, in other words, the first outer casing 101 is eccentrically disposed from the second outer casing 111.
In an alternative of this embodiment, the axis of the second inner sleeve 110 coincides with the axis of the second outer sleeve 111, so as to ensure the uniformity of the gaseous heat exchange working medium distributed in the condensation chamber 17, and improve the uniformity of the heat transferred to the to-be-heated conveying working medium distributed along the circumferential direction of the condensation chamber 17.
In this embodiment, a silk screen structure or a capillary structure may be disposed on the inner surface of the circulation pipe 12 and the inner surface of the condensation pipe 11, and acts on the liquid heat exchange working medium to provide power for the liquid heat exchange working medium in the condensation pipe 11 to flow to the evaporation cavity 16, so that the liquid heat exchange working medium flows back to the evaporation cavity 16 more smoothly, the circulation efficiency of the heat exchange working medium in the heat tracing pipe 1 is improved, and the heat transfer capacity of the heat tracing pipe 1 between the heat source working medium and the transport working medium to be heated is increased.
In this embodiment, the first outer casing 101, the second outer casing 111, or the circulation pipe 12 are provided with filling holes, and the filling holes are detachably provided with filling valves 13, so that a supply source of a heat exchange working medium (liquid state) can be communicated with the filling valves 13, and the filling valves 13 are opened, so that the heat exchange working medium can be filled into the evaporation cavity 16, the condensation cavity 17, or the circulation pipe 12 through the filling holes, and no matter which one of the above components is provided with the filling holes, the liquid heat exchange working medium can flow into the evaporation cavity 16 under the action of gravity in a use state because the evaporation cavity 16, the condensation cavity 17, and the circulation pipe 12 are communicated with each other.
In addition, after the heat exchange working medium is filled, the heat is discharged from the inner space of the heat tracing heat pipe, after the heat discharge is finished, the filling valve 13 is detached, and the filling hole is sealed and welded and sealed by hydraulic tongs.
Example two
The second embodiment provides a heat tracing pipe module, which includes the heat tracing pipe in the first embodiment, the technical features of the heat tracing pipe disclosed in the first embodiment are also applicable to the second embodiment, and the technical features of the heat tracing pipe disclosed in the first embodiment are not described repeatedly.
With reference to fig. 1 to 7, the heat tracing pipe 1 module provided in this embodiment includes a plurality of heat tracing pipes 1, the plurality of heat tracing pipes 1 are arranged in sequence in an end-to-end opposing manner, in other words, an end section of one heat tracing pipe 1 in the length direction of every two adjacent heat tracing pipes 1 faces an end section of the other heat tracing pipe 1 in the length direction. Further, any two adjacent heat tracing heat pipes 1 can be arranged at intervals, so that heat tracing treatment can be performed on the long-distance pipeline in a one-to-one correspondence manner by the aid of the multi-section pipeline arranged at intervals, and the pipeline can work in a segmented heat tracing manner. Or any two adjacent heat tracing heat pipes 1 can be connected in sequence, so that large-range continuous covering type heat tracing treatment can be carried out on the long-distance pipeline. For a long distance pipeline, either of the two heat tracing modes can be adopted, or the two heat tracing modes can be combined for use.
In this embodiment, when any two adjacent heat tracing pipes 1 are connected in sequence, the evaporation pipes 10 of the two adjacent heat tracing pipes 1 are welded, or the evaporation pipes 10 of the two adjacent heat tracing pipes 1 are inserted, or the evaporation pipes 10 of the two adjacent heat tracing pipes 1 are connected through a connecting flange.
Similarly, the condensation pipes 11 of two adjacent heat tracing heat pipes 1 are welded, or the condensation pipes 11 of two adjacent heat tracing heat pipes 1 are spliced, or the condensation pipes 11 of two adjacent heat tracing heat pipes 1 are connected through a connecting flange.
By adopting the connection modes, the quick serial connection of the heat tracing heat pipe 1 modules can be realized, the mounting efficiency can be improved, and any heat tracing heat pipe 1 can be replaced conveniently.
The heat tracing pipe module in the embodiment has the advantages of the heat tracing pipe in the first embodiment, and the advantages of the heat tracing pipe disclosed in the first embodiment are not described again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (10)
1. A heat tracing pipe is characterized by comprising an evaporation pipe, a condensation pipe and a circulating pipe;
the evaporation pipe comprises a first inner layer sleeve and a first outer layer sleeve, the first outer layer sleeve is sleeved outside the first inner layer sleeve, an evaporation cavity is formed between the first outer layer sleeve and the first inner layer sleeve, and the evaporation cavity is used for filling heat exchange working media;
the condensation pipe comprises a second inner layer sleeve and a second outer layer sleeve, the second outer layer sleeve is sleeved on the outer side of the second inner layer sleeve, and a condensation cavity is formed between the second outer layer sleeve and the second inner layer sleeve;
two ends of the circulating pipe are respectively connected with the first outer layer sleeve and the second outer layer sleeve, and the circulating pipe is communicated with the evaporation cavity and the condensation cavity.
2. The heat tracing pipe according to claim 1, wherein the number of the circulation pipes is plural, and the plural circulation pipes are arranged at intervals along the length direction of the heat tracing pipe.
3. The heat trace pipe according to claim 1, wherein a volume of the condensation chamber is greater than a volume of the evaporation chamber.
4. The heat trace heat pipe according to claim 1, wherein an axis of the first outer sleeve is offset relative to the first inner sleeve toward the condenser tube.
5. The heat trace pipe according to claim 1, wherein the axis of the second inner jacket is coincident with the axis of the second outer jacket.
6. The heat tracing pipe according to claim 1, wherein an inner surface of the circulation pipe and/or an inner surface of the condensation pipe is provided with a wire mesh structure or a capillary structure.
7. The heat tracing pipe according to claim 1, wherein the first outer layer sleeve, the second outer layer sleeve or the circulation pipe is provided with a filling hole, and the filling hole is detachably provided with a filling valve.
8. A heat trace heat pipe module, comprising the heat trace heat pipe of any one of claims 1 to 7;
the number of the heat tracing heat pipes is multiple, and the heat tracing heat pipes are sequentially arranged in an end-to-end opposite mode.
9. The heat tracing pipe module according to claim 8, wherein the evaporation pipes of two adjacent heat tracing pipes are welded, or the evaporation pipes of two adjacent heat tracing pipes are inserted, or the evaporation pipes of two adjacent heat tracing pipes are connected by a connecting flange;
the condenser pipes of the two adjacent heat tracing heat pipes are welded, or the condenser pipes of the two adjacent heat tracing heat pipes are spliced, or the condenser pipes of the two adjacent heat tracing heat pipes are connected through a connecting flange.
10. The heat trace heat pipe module according to claim 8, wherein the plurality of heat trace heat pipes are arranged at intervals in sequence in a head-to-head opposing manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210884045.4A CN115264220A (en) | 2022-07-26 | 2022-07-26 | Heat tracing pipe and heat tracing pipe module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210884045.4A CN115264220A (en) | 2022-07-26 | 2022-07-26 | Heat tracing pipe and heat tracing pipe module |
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2022
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|---|---|---|---|---|
| US4582121A (en) * | 1977-06-09 | 1986-04-15 | Casey Charles B | Apparatus for and method of heat transfer |
| JP2006046486A (en) * | 2004-08-04 | 2006-02-16 | Chugoku Electric Power Co Inc:The | Freezing preventing structure for level detection pipe |
| CN201193508Y (en) * | 2008-05-16 | 2009-02-11 | 张晨 | High temperature heat pump pipe heated system |
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| CN105757387A (en) * | 2016-04-07 | 2016-07-13 | 中国科学院电工研究所 | Pipeline emergency thawing device utilizing solar hot air recirculating |
| CN208750240U (en) * | 2018-07-27 | 2019-04-16 | 中石化广州工程有限公司 | A kind of steam jacket heat tracing threeway combination unit |
| CN211927161U (en) * | 2020-06-10 | 2020-11-13 | 安争邦 | Mounting structure of condensate pressure gauge self-tracing |
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