LU504011B1 - An insulation structure for waste heat boilers through the wall of a combustion engine plant - Google Patents
An insulation structure for waste heat boilers through the wall of a combustion engine plant Download PDFInfo
- Publication number
- LU504011B1 LU504011B1 LU504011A LU504011A LU504011B1 LU 504011 B1 LU504011 B1 LU 504011B1 LU 504011 A LU504011 A LU 504011A LU 504011 A LU504011 A LU 504011A LU 504011 B1 LU504011 B1 LU 504011B1
- Authority
- LU
- Luxembourg
- Prior art keywords
- wall
- heat pipe
- ring
- inner heat
- insulation
- Prior art date
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 59
- 239000002918 waste heat Substances 0.000 title claims abstract description 28
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000011496 polyurethane foam Substances 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000012774 insulation material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool which is added to the object to be insulated by pouring, spreading, spraying or the like
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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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/14—Sealing for double-walled or multi-channel pipes
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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
- F16L53/32—Heating of pipes or pipe systems using hot fluids
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/028—Composition or method of fixing a thermally insulating material
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered
-
- 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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/16—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like
- F16L59/21—Arrangements specially adapted to local requirements at flanges, junctions, valves or the like adapted for expansion-compensation devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The present invention discloses an insulation structure for a through-wall pipe of waste heat boilers of combustion engine electricity plants, comprising inner heat pipes for conveying hot water, inner deformation rings provided on the outer wall of the inner heat pipe, the outer side wall of the insulation ring is provided with sensing members for changes in the shape variable of the inner heat pipe, the sensing member is connected to the rubber gas tube by gas transfer members. The invention conveys hot water through the inner heat pipe, and the inner deformation ring set on the inner heat pipe assumes the shape variable of the inner heat pipe when it is heated, when the inner heat pipe is deformed, the outer pipe inside the inner deformation ring will deform in time and create space for translation, which will not affect the release of pressure from the inner heat pipe.
Description
An insulation structure for waste heat boilers through the wall of a 594011 combustion engine plant
The invention relates to the technical field of insulation of through-wall tubes, and in particular to an insulation structure for through-wall tubes of waste heat boilers in combustion machinery plants.
Background technology
Waste heat boilers are a kind of heating equipment that use the waste heat produced by industrial enterprises’ furnaces and other waste heat source equipment to produce steam or hot water. Waste heat is heat that is discharged in industrial production without being fully utilised, it is a secondary energy source and is the product of the conversion of primary energy and combustible materials. High temperature flue gas waste heat:It is a common form, its characteristics are large production, production point concentration, continuity, easy to recover and use, waste heat boiler to recover heat, can be used for production or domestic heat and power generation.
The hot water transfer tube of the waste heat boiler, will be in the boiler when the hot water reaches a certain temperature, timely to the outside through the transfer tube for discharge, and then inject cold water into the boiler again on the use of waste heat, hot water tube in the use of the process, frequent temperature rise, will make the hot water tube in the process of conveying hot water due to thermal expansion and contraction of the larger deformation, deformation will make in the external wrapping of the insulation material Follow the deformation, so that the insulation material of the hot water tube insulation effect caused by defects, and hot water tube in the change, due to the external wrapping of the insulation material, can not intuitively observe the expansion of the hot water tube state, can not be timely hot water tube at the end of the expansion boundary of its intervention, very easy to appear hot water tube burst, the staff caused by the dangerous situation of scalding, for this reason is now proposed a kind of waste heat boiler combustion machinery plant Through the wall tube insulation structure.
The purpose of the present invention is to solve the existing deformation will make in the external wrapping of the insulation material to follow the deformation, so that the insulation material of the hot water pipe insulation effect caused by defects, and the hot water pipe in the 904017 change, due to the external wrapping of the insulation material, can not intuitively observe the expansion of the hot water pipe state, can not be timely hot water pipe at the end of the expansion limit to intervene, very easy to appear hot water pipe burst, to The thermal insulation structure of a waste heat boiler through the wall of a combustion machinery plant is proposed, in which the inner deformation ring set on the inner heat pipe assumes the deformation of the inner heat pipe when it is heated, the thermal insulation ring on the outside realises the thermal insulation of the inner heat pipe, and the outer pipe set inside the inner deformation ring will produce deformation in time when the inner heat pipe is deformed to produce a space for translation, which will not This does not affect the release of pressure from the inner heat pipe.
In order to achieve the above, the invention employs the following technical solutions:
An insulation structure for a waste heat boiler through wall tube of a combustion plant, comprising an inner heat pipe for conveying hot water, said inner heat pipe having an inner deformation ring body provided on the outer side wall, said inner deformation ring body having a plurality of outer small diameter pipes for conveying cold water, said outer small diameter pipes having outer pipe bodies connected at both ends by offset connectors,said outer small diameter tube outer wall set with a ring-shaped distribution of rubber gas tube, said inner deformation ring body outer wall set with insulation ring body, said insulation ring body outer wall is provided with induction member for inner heat pipe deformation change,said induction member is connected to the rubber gas tube by a gas transfer member, said outer tube body is provided with a traction fixing ring externally, said traction fixing rings located at both ends of the inner heat pipe are connected to each other by a plurality of traction posts, said traction posts are provided with seals connected to the boiler insulation.
Translated with www. DeepL.com/Translator (free version).
Preferably, said inner deformation ring is snapped to the outer wall of the inner heat pipe, said outer small diameter tube is evenly distributed on the outer wall of the inner heat pipe and is in contact with the outer wall of the inner heat pipe, said inner deformation ring is densely filled with insulation rubber.
Preferably, said insulation ring body comprises a polyurethane foam located in contact with the inner deformation ring body in the inner layer, a mineral wool layer located in contact with the polyurethane foam in the middle layer and an insulating ceramic layer located in the outer 904017 layer.
Preferably, said offset connector comprises a connection opening in the traction retaining ring to the outer tube body, said connection opening has a rectangular bayonet in the side wall at the end of said opening, said rectangular bayonet is provided with a rectangular offset block, said rectangular offset block is connected to the end of the outer small diameter tube by means of an inclined force tube.
Preferably, said sensing member comprises an arc-shaped block fixedly attached to the outside of the thermal insulation ceramic layer, said arc-shaped block is fixedly attached to a telescopic sleeve, said telescopic sleeve is provided with a pneumatic piston on the inner wall, said pneumatic piston has a graduated sensing member fixedly attached to the end of the pneumatic piston.
Preferably, said air transfer member comprises a pneumatic ring provided within the insulation ring, said pneumatic ring being connected to a plurality of rubber air tubes, said pneumatic ring being connected to the telescopic sleeve by means of a straight-through tube running through the curved block.
Preferably, said seal comprises an intermediary sleeve fixedly attached to the traction post, said intermediary sleeve being provided with sealing fastening rings at each end and said traction post being provided with fastening nut rings at each end.
Preferably, the two ends of the inner heat pipe are flared and both ends of the inner heat pipe are connected to an outer tube.
Compared to the prior art, the present invention has the beneficial effect of 1. This through-wall pipe by the internal heat pipe to transport hot water, set in the internal heat pipe on the internal deformation ring body to bear the internal heat pipe heat deformation variable, in the external insulation ring body to achieve the internal heat pipe insulation, set in the internal deformation ring body of the external pipe will be set in the internal heat pipe deformation, deformation in time to produce translation space, will not affect the internal heat pipe release pressure. 2. Set around the outer body of the rubber gas tube for the internal heat pipe to move out of the space, will achieve the rubber gas tube inside the gas delivery to the expansion sleeve, so that the scale inductor scale to change, through the height of the scale inductor can be timely 90401 understanding of the expansion of the internal heat pipe, timely detection of the internal heat pipe abnormalities, to avoid accidents. 3. The cold water injected into the boiler is conveyed through the outer tube body, and the cold water is preheated by using the temperature preserved in the insulation ring body, and the effect of preheating the cold water is achieved by using this part of the temperature without affecting the temperature of the hot water conveyed, thus achieving a rational use of energy.
Description of attached figures
Figure 1 shows a schematic diagram of the three-dimensional structure of the insulation structure of a waste heat boiler through the wall of a combustion plant as proposed in the present invention;
Figure 2 shows a schematic diagram of the cross-sectional main structure of the insulation structure of a waste heat boiler through the wall of a combustion plant as proposed in the present invention;
Figure 3 shows an enlarged schematic view of the structure at A in Fig. 2;
Figure 4 shows a schematic diagram of the structure of a traction retaining ring in the insulation structure of a waste heat boiler through the wall of a combustion plant proposed by the present invention;
Figure 5 shows a schematic diagram of the cross-sectional structure of the insulation structure of a waste heat boiler through the wall of a combustion plant proposed by the present invention.
In the figure: 1, inner heat pipe; 2, inner deformation ring body; 3, outer small diameter pipe; 4, outer pipe body; 5, rubber gas pipe; 6, insulation ring body; 61, Polyurethane foam 62, mineral wool layer; 63, thermal insulation ceramic layer; 7, traction fixing ring; 8, traction post; 9, insulation rubber; 10, connection port; 11, rectangular bayonet; 12, rectangular offset block; 13, inclined force tube; 14, curved block; 15, telescopic sleeve; 16, pneumatic piston; 17, scale induction member; 18, pneumatic ring; 19, intermediary sleeve; 20, sealing fastening ring; 21 , outer tube.
Specific embodiments
The technical solutions in the examples of the invention will be clearly and completely described below in conjunction with the accompanying drawings in the examples of the invention. Obviously, the examples described are only a part of the examples of the invention 904017 and not all of them, and based on the examples in the invention, all other examples obtained without creative labour by a person of ordinary skill in the art fall within the scope of protection of the invention. 5 In the description of the present invention, it is to be noted that the terms "top", "bottom", "inside", "outside", "top/bottom", etc. indicate an orientation or positional relationship based on the attached drawings and are intended only to facilitate and simplify the description and not to indicate or imply that the device or element referred to must have a particular orientation or positional relationship, "top/bottom" and the like indicate orientations or positional relationships based on those shown in the accompanying drawings and are intended only to facilitate and simplify the description of the invention, not to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise expressly specified and limited, the terms "mounted", "provided with", "set/connected", "connected", etc, are to be understood in a broad sense, "connection", etc., shall be understood in a broad sense, e.g. "connection", which may be fixed, detachable or integral; mechanical or electrical; direct or indirect through an intermediate medium The connection can be internal to the two components.
For a person of ordinary skill in the art, the specific meaning of the above terms in the context of the present invention can be understood in specific cases.
Referring to Figures 1-5, a thermal insulation structure for a waste heat boiler through the wall of a combustion plant, comprising an inner heat pipe 1 for conveying hot water, the two ends of the inner heat pipe 1 being set in a flared shape, and both ends of the inner heat pipe 1 being connected to an outer receiver 21, the flared shape being set in such a way as to reduce the impact on the outer receiver 21 at both ends by a possible small amount in the event of expansion of the inner heat pipe 1;
The outer wall of the inner heat pipe 1 is provided with an inner deformation ring body 2, and the inner deformation ring body 2 is provided with a plurality of outer small diameter tubes 3 for conveying cold water, in which a plurality of small diameter tubes 3 can ensure a multi-area 904017 contact to the temperature in which the inner deformation ring body 2 is set on the outer wall of the inner heat pipe 1, and the outer small diameter tubes 3 are evenly distributed on the outer wall of the inner heat pipe 1 and in contact with the outer wall of the inner heat pipe 1, the advantage of direct contact is that it can The heat inside the inner heat pipe 1 can be applied to the outer diameter tube 3 in a timely manner, and the temperature of this part can be used to achieve the effect of preheating the cold water inside the small diameter tube 3, thus realising the reasonable use of energy. The inner heat pipe 1 is not subjected to any inward resistance.
The outer small diameter tube 3 is connected to the outer tube body 4 at both ends by offset connections, the offset connections include a connection port 10 opened on the traction fixing ring 7 and connected to the outer tube body 4, the side wall of the end of the connection port 10 is opened with a rectangular bayonet 11, the rectangular bayonet 11 is provided with a rectangular offset block 12, the rectangular offset block 12 can be moved up and down in the rectangular bayonet 11 without horizontal movement, and in the process of movement can also ensure the sealing effect and avoid deflection. The rectangular offset block 12 is connected to the end of the outer small diameter tube 3 by a tilted force-bearing tube 13, which is set at an angle to transfer the force and ensure the movement of the rectangular offset block 12.
The outer small diameter tube 3 is equipped with a ring-shaped rubber gas tube 5 on the outer wall, when the rubber gas tube 5 is pressurised, the gas inside will be pressurised to run outwards to achieve the change of air pressure in the telescopic sleeve 15, the inner deformation ring 2 is equipped with an insulation ring 6 on the outer wall, the insulation ring 6 consists of a polyurethane foam 61 in contact with the inner deformation ring 2, a mineral wool layer 62 in contact with the polyurethane foam 61 in the middle layer and an insulation ceramic layer 63 in the outer layer. The insulation ring 6 consists of a polyurethane foam 61 in contact with the inner deformation ring 2, a mineral wool layer 62 in contact with the polyurethane foam 61 in the middle layer and a thermal insulation ceramic layer 63 in the outer layer, where the thermal insulation ceramic layer 63 is provided in the outer layer, i.e. to ensure the external hardness and at the same time the internal insulation.
The outer side wall of the insulation ring 6 is provided with a sensing member for the change of the shape of the inner heat pipe 1, the sensing member is connected to the rubber gas tube 5 by a gas transmission member, the sensing member includes an arc-shaped block Es 904017 fixedly connected to the outside of the thermal insulation ceramic layer 63, the arc-shaped block 14 is fixedly connected to a telescopic sleeve 15, the inner wall of the telescopic sleeve 15 is provided with a pneumatic piston 16, the end of the pneumatic piston 16 is fixedly connected to a graduated sensing member 17, The pneumatic transmission member includes a pneumatic ring 18 set inside the insulation ring 6, the pneumatic ring 18 is connected to a plurality of rubber air tubes 5, the pneumatic ring 18 is connected to the telescopic sleeve 15 through the straight-through tube running through the arc-shaped block 14, according to the calculation can be set on the scale induction member 17 internal heat pipe 1 expansion warning point, and thus through the height of the scale induction member 17 can be timely understanding of the expansion of the internal heat pipe 1, timely detection of the internal heat pipe 1 The height of the scale sensing member 17 enables the expansion of the inner heat pipe 1 to be known in time, so that abnormalities in the inner heat pipe 1 can be detected.
The outer tube body 4 is provided with a traction fixing ring 7, and the traction fixing rings 7 at the two ends of the inner heat pipe 1 are connected by a plurality of traction posts 8, the traction posts 8 are provided with seals connected to the boiler insulation layer, the seals include an intermediary sleeve 19 fixedly connected to the traction posts 8, using the traction posts 8 to achieve the load-bearing effect of this wall tube, and the traction posts 8 apply inward traction force to the traction fixing rings 7 at both ends. Both ends of the intermediate sleeve 19 are provided with sealing fastening rings 20 and both ends of the traction column 8 are provided with fastening nut rings, the fastening nut rings are provided to achieve a fastening effect on the traction column 8 and to exert an axial stress on the through-wall tube.
When the present invention is installed, there is a mounting opening on the boiler for the internal heat pipe 1 and its external insulation ring 6 to be installed, and there is a penetration hole around the mounting opening for the intermediary sleeve 19 on the traction column 8 to be installed, so that the traction column 8 can be used to achieve the load-bearing of the wall pipe, and the traction column 8 applies inward traction force to the traction fixing ring 7 at both ends to ensure that the internal heat pipe 1 inside it has axial to exert force, effectively avoiding expansion and rupture;
In use, when the hot water is transported through the inner heat pipe 1, the hot water will cause the inner heat pipe 1 to expand rapidly by heat, and the expanded inner heat pipe 1 wip 20407 expand outward, and the outer tube body 4 wrapped around the inner deformation ring 2 outside the inner heat pipe 1 will move from inside to outside under the action of outward pressure, at this time, the rectangular offset blocks 12 set at both ends of the outer tube body 4 will move on the rectangular bayonet 11 on the traction fixing ring 7 The rectangular offset blocks 12 at the ends of the outer tube 4 will move over the rectangular tabs 11 on the traction retaining ring 7, thereby creating a space for the inner heat pipe 1 to deform and produce a translation, ensuring that the hot water is kept warm without blocking the deformation of the inner heat pipe 1;
At the same time, when the outer tube body 4 moves, it will make the rubber gas tube 5 set in a circle of the outer tube body 4 under pressure, under the action of pressure will realize the gas pressure in the rubber gas tube 5 through the action of the pneumatic ring 18 to transport outward, transported to the telescopic sleeve 15, driving the pneumatic piston 16 in it to move, the height of the scale inductor 17 connected to the pneumatic piston 16 will be raised, and according to the calculation, a warning point for the expansion of the internal heat pipe 1 can be set on the scale inductor 17, so that the expansion of the internal heat pipe 1 can be understood in time through the height of the scale inductor 17, and the abnormality of the internal heat pipe 1 can be found in time to avoid accidents;
The cold water injected into the boiler in the outer tube 4 inside the inner ring 2 makes reasonable use of the temperature inside the inner ring 2, thus taking advantage of the temperature inside the insulation ring 6, which is partially insulated, to achieve the effect of preheating the cold water, thus achieving a reasonable use of energy, and also the effect of resetting the scale sensor 17 under the action of the cold water. This allows for the detection of the expansion of the pipes when the hot water is discharged next time.
The above is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any equivalent substitution or change made by any person skilled in the art in accordance with the technical solution of the present invention and its inventive concept within the technical scope disclosed herein shall be covered by the scope of protection of the present invention.
Claims (8)
1. A thermal insulation structure of a waste heat boiler through the wall of a combustion plant, comprising an inner heat pipe (1) for conveying hot water, characterized in that said inner heat pipe (1) is provided with an inner variable ring body (2) on the outer side wall, said inner variable ring body (2) is provided with a plurality of outer small diameter pipes (3) for conveying cold water, said outer small diameter pipes (3) are connected to an outer pipe body (4) at both ends by offset connectors, said outer small diameter pipes (3) are provided with a ring of rubber gas tubes (5) on the outer side wall, said outer small diameter pipes (3) are provided with an insulation ring body (6) on the outer side wall, said insulation ring body (6) is provided with a ring of rubber gas tubes (6), he outer wall of said outer diameter pipe (3) is provided with a ring of rubber gas tubes (5) distributed in a circular shape, the outer wall of said inner deformation ring body (2) is provided with an insulation ring body (6), the outer wall of said insulation ring body (6) is provided with an induction member for deformation changes in the inner heat pipe (1), said induction member is connected to the rubber gas tubes (5) by means of a gas transfer member, the outer body (4) is provided with a traction fixing ring (7) on the outside of said inner said traction rings (7) at the ends of the inner heat pipe (1) are connected to each other by a plurality of traction posts (8), said traction posts (8) being provided with seals for connection to the boiler insulation.
2. According to claim 1, a thermal insulation structure of a waste heat boiler through the wall of a combustion plant, characterized in that said inner deformation ring body (2) is set on the outer wall of the inner heat pipe (1), said outer small diameter pipe (3) is evenly distributed on the outer wall of the inner heat pipe (1) and is in contact with the outer wall of the inner heat pipe (1), said inner deformation ring body (2) is densely filled with thermal insulation rubber (9).
3. An insulation structure for a waste heat boiler through-wall tube in a combustion plant according to claim 1, characterized in that said insulation ring body (6) comprises a polyurethane foam (61) located in contact with the inner deformation ring body (2) in the inner layer, a mineral wool layer (62) located in contact with the polyurethane foam (61) in the middle layer and a thermal insulation ceramic layer (63) located in the outer layer.
4. A thermal insulation structure for a waste heat boiler through wall tube of a combustion plant according to claim 1, characterized in that said offset connection member comprises a 904017 opening (10) in the traction fixing ring (7) connected to the outer tube body (4), said opening (10) has a rectangular bayonet (11) in the side wall of the end of said opening (10), said rectangular bayonet (11) is provided with a rectangular offset block (12), said rectangular The rectangular offset block (12) is connected to the end of the outer small diameter pipe (3) by means of an inclined force tube (13).
5. A thermal insulation structure for a waste heat boiler through the wall of a combustion plant according to claim 3, characterized in that said sensing member comprises an arc block (14) fixedly connected to the outside of the thermal insulation ceramic layer (63), said arc block (14) having a telescopic sleeve (15) fixedly connected to it, said telescopic sleeve (15) having a pneumatic piston (16) provided on the inner wall of said pneumatic piston (16), said end of said pneumatic piston (16) said pneumatic piston (16) is fixedly connected to a graduated sensing member (17).
6. An insulation structure for a waste heat boiler through-wall tube in a combustion plant according to claim 5, characterized in that said air transfer member comprises a pneumatic ring (18) provided in the insulation ring body (6), said pneumatic ring (18) being connected to a plurality of rubber air tubes (5), said pneumatic ring (18) being connected to a telescopic sleeve (15) through a straight-through tube running through the curved block (14).
7. An insulation structure for a waste heat boiler through-wall tube in a combustion plant according to claim 1, characterized in that said sealing member comprises an intermediary sleeve (19) fixedly attached to a traction column (8), said intermediary sleeve (19) being provided with sealing fastening rings (20) at both ends, and said traction column (8) being provided with fastening nut rings at both ends.
8. A thermal insulation structure for a waste heat boiler through the wall of a combustion plant according to claim 1, characterized in that the ends of said inner heat pipe (1) are set in a flared shape and both ends of the inner heat pipe (1) are connected with an outer receiver (21).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210459138.2A CN114923063B (en) | 2022-04-27 | 2022-04-27 | Heat insulation structure of exhaust-heat boiler through-wall pipe of gas turbine power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU504011B1 true LU504011B1 (en) | 2023-10-23 |
Family
ID=82807177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU504011A LU504011B1 (en) | 2022-04-27 | 2023-04-20 | An insulation structure for waste heat boilers through the wall of a combustion engine plant |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114923063B (en) |
| LU (1) | LU504011B1 (en) |
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| GB1382375A (en) * | 1973-03-13 | 1975-01-29 | Zaderei N N Nikiforov A S | Device for sealing a high-temperature conduit in a wall |
| KR20130118869A (en) * | 2010-09-15 | 2013-10-30 | 펜테어 서멀 매니지먼트 엘엘씨 | Heat trace system including hybrid composite insulation |
| US20120228865A1 (en) * | 2011-03-08 | 2012-09-13 | Kevin Sopoliga | Independently expandable double containment joint |
| US20180017463A1 (en) * | 2015-01-09 | 2018-01-18 | Lawrence Joseph Stonitsch | Method for forming pressure-testable field joint between pre-insulated pipe sections, and piping system with pressure-testable field joint |
| CN105042261A (en) * | 2015-07-07 | 2015-11-11 | 江苏中通管业有限公司 | Outdoor heat preservation water pipe |
| CN105485476B (en) * | 2016-01-19 | 2018-03-23 | 宋国民 | Pipeline special-purpose thermal insulation quilt |
| CN106439362A (en) * | 2016-11-21 | 2017-02-22 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipe with automatic heating function |
| CN207634821U (en) * | 2017-11-27 | 2018-07-20 | 湖北神东建设有限公司 | A kind of Building Cooling water pipe interface arrangement through walls |
| CN208605799U (en) * | 2018-06-26 | 2019-03-15 | 新奥科技发展有限公司 | A kind of high temperature resistant expansion joint |
| CN110043756B (en) * | 2019-03-22 | 2020-08-07 | 李森 | Vacuum heat-insulation system for heat distribution pipeline |
| KR102031216B1 (en) * | 2019-06-21 | 2019-10-11 | 엘지전자 주식회사 | A refrigerator comprising a vacuum space |
| CN212584456U (en) * | 2020-06-11 | 2021-02-23 | 江西金阳管业有限公司 | Vacuum heat-preservation corrugated pipe |
| CN212775996U (en) * | 2020-07-10 | 2021-03-23 | 北京京丰燃气发电有限责任公司 | Waste heat boiler wall pipe sealing and heat insulating structure |
| CN111853372A (en) * | 2020-08-19 | 2020-10-30 | 诸暨市沣泽动力机械有限公司 | Furnace bottom wall-penetrating expansion joint |
| CN213271424U (en) * | 2020-09-18 | 2021-05-25 | 河北渤海煤焦化有限公司 | Corrosion-resistant pipeline applied to coking boiler |
| CN113757779B (en) * | 2021-08-03 | 2023-06-20 | 重庆优菲特科技有限公司 | Insulation sleeve for heat insulation of heating pipeline |
| CN215635440U (en) * | 2021-09-17 | 2022-01-25 | 华能重庆两江燃机发电有限责任公司 | Heat preservation structure of waste heat boiler wall penetrating pipe of gas turbine power plant |
| CN113639207B (en) * | 2021-10-13 | 2021-12-21 | 海门市晨光照明电器有限公司 | Buried heat-insulating pipeline convenient to detect and detection method thereof |
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2022
- 2022-04-27 CN CN202210459138.2A patent/CN114923063B/en active Active
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| Publication number | Publication date |
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| CN114923063B (en) | 2023-08-22 |
| CN114923063A (en) | 2022-08-19 |
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