Heat preservation structure of ultra-high-temperature electric heating heat carrier furnace
By employing a combined structure of ceramic fiber aerogel insulation sheet layer, metal wire mesh layer, glass fiber aerogel felt layer, aluminum foil cloth layer and metal packaging plate layer on the outer wall of the boiler drum of the ultra-high temperature electric heating heat carrier furnace, the problems of large weight, poor heat insulation effect and waterproof and rainproof in the existing technology are solved, and lightweight and efficient heat insulation performance and stable operation are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-03-27
AI Technical Summary
Existing ultra-high temperature electric heating heat carrier furnaces have heavy insulation structures, high construction costs, poor heat insulation effects, and cannot prevent condensation from flowing out and external rainwater from seeping in when exposed to the elements, affecting the stable operation of the equipment.
The boiler drum is wrapped with a combination of ceramic fiber aerogel insulation sheet, metal mesh, glass fiber aerogel felt, aluminum foil cloth, and metal packaging plate, which prevents heat transfer and rainwater erosion, and enhances its heat preservation and waterproof performance.
It achieves lightweight and efficient thermal insulation performance, prevents condensation from flowing out and rainwater from seeping in, ensures stable operation of equipment in harsh environments, reduces heat loss, and lowers construction costs.
Smart Images
Figure CN224050657U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of electric heating heat carrier furnace for heat exchange, in particular to a kind of heat preservation structure of superhigh temperature electric heating heat carrier furnace, belong to industrial boiler technical field. BACKGROUND
[0002] Superhigh temperature electric heating heat carrier furnace is usually referred to as electric heating heating furnace, such as biphenyl biphenyl ether working temperature ≤400 ℃, ternary molten salt working temperature ≤500 ℃, binary molten salt working temperature ≤600 ℃, electric heating heat carrier furnace use site is basically in production plant or open air, the heat preservation structure of superhigh temperature electric heating heat carrier furnace is mostly used rock wool, glass wool, aluminium silicate fiber cotton to keep warm and insulate at present, but, this heat preservation structure has following two aspects of shortcomings in actual work: on the one hand, heat preservation is heavy, construction cost is high, and the effect of heat insulation and energy saving is poor, on the other hand, when using in open air, condensate cannot be prevented from flowing out and external rainwater from eroding and infiltrating, and equipment cannot be guaranteed to be used for a long time and stably operated in relatively severe outdoor environment. SUMMARY
[0003] The utility model solves the technical problem of overcoming prior art deficiencies, and provides a kind of heat preservation structure of superhigh temperature electric heating heat carrier furnace, which is light in weight, good in heat insulation performance, can effectively prevent condensate from flowing out and external rainwater from eroding and infiltrating, can guarantee equipment to be used for a long time and stably operated in severe outdoor environment and simple in structure.
[0004] To solve the above technical problems, the utility model adopts a kind of heat preservation structure of superhigh temperature electric heating heat carrier furnace, electric heating heat carrier furnace includes the pot cylinder that the hot carrier is stored in inner cavity and a plurality of electric heating pipes for heating the hot carrier and flange, the pot cylinder is cylindrical, and one end of pot cylinder is open end, the other end is closed end, the flange is arranged at the open end of the pot cylinder, one end of the plurality of electric heating pipes is connected with power supply, the other end of the plurality of electric heating pipes passes through the flange and enters the inner cavity of pot cylinder, the heat preservation structure of this superhigh temperature electric heating heat carrier furnace includes ceramic fiber aerogel insulation sheet layer, metal wire mesh layer, glass fiber aerogel felt layer, aluminum foil cloth layer and metal packaging plate layer;The ceramic fiber aerogel insulation sheet layer, metal wire mesh layer, glass fiber aerogel felt layer, aluminum foil cloth layer and metal packaging plate layer are sequentially cladded and fixed on the outer wall of the pot cylinder from inside to outside.
[0005] As a preferred embodiment of the utility model, the thickness of the ceramic fiber aerogel insulation sheet layer is 20-30mm, the diameter of the metal wire in the metal wire mesh layer is 0.2-0.5mm, the thickness of the glass fiber aerogel felt layer is 20-30mm, the thickness of the aluminum foil cloth layer is 1-5mm, and the thickness of the metal packaging plate layer is 1-3mm.
[0006] As a preferred embodiment of the utility model, the total thickness of the ceramic fiber aerogel thermal insulation sheet layer, the metal wire mesh layer, the glass fiber aerogel felt layer, the aluminum foil cloth layer and the metal packaging plate layer is less than or equal to 55 mm.
[0007] As a preferred embodiment of the utility model, the ceramic fiber aerogel thermal insulation sheet layer is composed of ceramic fiber and aerogel, the metal wire mesh layer is stainless steel wire mesh, the glass fiber aerogel felt layer is composed of glass fiber and aerogel, and the metal packaging plate layer is stainless steel packaging plate.
[0008] After the above structure is adopted, the utility model has the following beneficial effects:
[0009] The utility model discloses a heat preservation structure which comprises a ceramic fiber aerogel heat insulation sheet layer, a metal wire mesh layer, a glass fiber aerogel felt layer, an aluminum foil cloth layer and a metal packaging plate layer.
[0010] The total thickness of the five layers of the ceramic fiber aerogel heat insulation sheet layer, the metal wire mesh layer, the glass fiber aerogel felt layer, the aluminum foil cloth layer and the metal packaging plate layer is less than or equal to 55 mm, and through heat preservation calculation, the heat preservation thickness can completely prevent the high-temperature heat dissipation of the heat carrier furnace, and the manufacturing cost is low, the cost performance is high, and the installation is more convenient.
[0011] The utility model discloses light weight can use in the outdoor high cold region, can resist rain and snow, and the heat preservation and heat insulation performance is excellent, and the heat energy loss is reduced greatly, and fire prevention drainage, and simple structure, and the space is small, and the implementation is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0012] The utility model discloses further in detail below in combination with the drawings.
[0013] Figure 1 It is a structure diagram of the heat preservation structure of the superhigh temperature electric heating heat carrier furnace of the utility model.
[0014] Figure 2 It is Figure 1 It is a section along A-A line. Specific embodiment
[0015] Referring to Figure 1 、 2 The heat preservation structure of the superhigh temperature electric heating heat carrier furnace shown in the figure, the electric heating heat carrier furnace includes the kettle cylinder 6 that stores the heat carrier 9 in the cavity and the several electric heating pipes 7 for heating the heat carrier 9 and the flange 8, Figure 1 It is horizontal furnace, of course, also can be vertical furnace, the kettle cylinder 6 is cylindrical, and one end of the kettle cylinder 6 is open end, the other end is closed end, the flange 8 is fixedly arranged at the open end of the kettle cylinder 6, one end of the several electric heating pipes 7 is preferably connected with power supply through junction box 10 and cable, the other end of the several electric heating pipes 7 passes through the flange 8 and enters the cavity of the kettle cylinder 6, and the heat preservation structure of the superhigh temperature electric heating heat carrier furnace includes ceramic fiber aerogel heat insulation sheet layer 1, metal wire mesh layer 2, glass fiber aerogel felt layer 3, aluminum foil cloth layer 4 and metal packaging plate layer 5;The ceramic fiber aerogel heat insulation sheet layer 1, metal wire mesh layer 2, glass fiber aerogel felt layer 3, aluminum foil cloth layer 4 and metal packaging plate layer 5 are sequentially cladded and fixed on the outer wall of the kettle cylinder 6 from inside to outside.
[0016] As a preferred embodiment of the utility model, the thickness of the ceramic fiber aerogel heat insulation sheet layer 1 is 20-30mm, and the most preferably 25mm, the diameter of the metal wire in the metal wire mesh layer 2 is 0.2-0.5mm, the thickness of the glass fiber aerogel felt layer 3 is 20-30mm, and the most preferably 25mm, the thickness of the aluminum foil cloth layer 4 is 1-5mm, and the thickness of the metal packaging plate layer 5 is 1-3mm.
[0017] As a preferred embodiment of the utility model, the total thickness of the ceramic fiber aerogel heat insulation sheet layer 1, metal wire mesh layer 2, glass fiber aerogel felt layer 3, aluminum foil cloth layer 4 and metal packaging plate layer 5 is less than or equal to 55mm, by using such thickness, through heat preservation calculation, the heat preservation thickness can completely prevent the heat carrier furnace from radiating high temperature, and the manufacturing cost is low, the cost performance is high, and the installation and construction are more convenient.
[0018] As a preferred embodiment of the utility model, the ceramic fiber aerogel heat insulation sheet layer 1 is composed of ceramic fiber and aerogel, the aerogel is preferably silica aerogel, the metal wire mesh layer 2 is stainless steel wire mesh, preferably rhombic stainless steel wire mesh, the rhombic size of the stainless steel wire mesh is preferably 30mm*30mm, and the wire diameter is preferably 0.2mm, so that the ceramic fiber aerogel heat insulation sheet layer 1 and the stainless steel wire mesh surface are flat, the glass fiber aerogel felt layer 3 is composed of glass fiber and aerogel, is a flexible heat insulation felt, the aerogel is preferably silica aerogel, and the metal packaging plate layer 5 is a stainless steel packaging plate.
[0019] As a preferred embodiment of the utility model, first, the ceramic fiber aerogel heat insulation sheet layer 1 is coated on the outer wall of the pot cylinder 6 of the superhigh temperature electric heating heat carrier furnace, the thickness is 25mm, then the ceramic fiber aerogel heat insulation sheet layer 1 is fixed flat by using stainless steel wire mesh, then the glass fiber aerogel felt layer 3 is coated, the thickness is 25mm, the aluminum foil cloth layer 4 is coated outside the glass fiber aerogel felt layer 3 to prevent external rainwater erosion and infiltration, the outermost layer is coated and sealed by using stainless steel packaging plate, seamless connection and fixation are ensured, and the overall thickness of the coating is preferably ≤55mm.
[0020] The heat preservation structure of the utility model can be used on vertical or horizontal superhigh temperature electric heating heat carrier furnaces, and after trial, the utility model is light in weight, excellent in heat preservation and heat insulation performance, can effectively prevent condensate from flowing out and external rainwater from eroding and infiltrating, is convenient to install, and good practical effects are achieved.
Claims
1. An ultra-high temperature electric heating heat carrier furnace heat preservation structure, the electric heating heat carrier furnace comprises a kettle drum (6) which stores a heat carrier (9) in an inner cavity, a plurality of electric heating pipes (7) for heating the heat carrier (9), and a flange (8), the kettle drum (6) is cylindrical, one end of the kettle drum (6) is an open end, the other end is a closed end, the flange (8) is arranged at the open end of the kettle drum (6), one end of the plurality of electric heating pipes (7) is connected with a power supply, the other end of the plurality of electric heating pipes (7) penetrates through the flange (8) into the inner cavity of the kettle drum (6), characterized in that: The heat preservation structure of the super-high temperature electric heating heat carrier furnace comprises a ceramic fiber aerogel heat insulation sheet layer (1), a metal wire mesh layer (2), a glass fiber aerogel felt layer (3), an aluminum foil cloth layer (4) and a metal packaging plate layer (5); the ceramic fiber aerogel heat insulation sheet layer (1), the metal wire mesh layer (2), the glass fiber aerogel felt layer (3), the aluminum foil cloth layer (4) and the metal packaging plate layer (5) are sequentially cladded and fixed on the outer wall of the kettle cylinder (6) from inside to outside.
2. The ultra-high temperature electrically heated heat carrier furnace thermal retention structure of claim 1, wherein: The thickness of the ceramic fiber aerogel heat insulation sheet layer (1) is 20-30 mm, the diameter of the metal wire in the metal wire mesh layer (2) is 0.2-0.5 mm, the thickness of the glass fiber aerogel felt layer (3) is 20-30 mm, the thickness of the aluminum foil cloth layer (4) is 1-5 mm, and the thickness of the metal packaging plate layer (5) is 1-3 mm.
3. The ultra-high temperature electrically heated heat carrier furnace thermal retention structure of claim 2, wherein: The total thickness of the five layers of the ceramic fiber aerogel heat insulation sheet layer (1), the metal wire mesh layer (2), the glass fiber aerogel felt layer (3), the aluminum foil cloth layer (4) and the metal packaging plate layer (5) is less than or equal to 55 mm.
4. The ultra-high temperature electrically heated heat carrier furnace thermal retention structure according to claim 1 or 2 or 3, characterized in that: The ceramic fiber aerogel heat insulation sheet layer (1) is composed of ceramic fiber and aerogel, the metal wire mesh layer (2) is a stainless steel wire mesh, the glass fiber aerogel felt layer (3) is composed of glass fiber and aerogel, and the metal packaging plate layer (5) is a stainless steel packaging plate.