CN102121707B - Air preheater for cast iron on high-head fins - Google Patents
Air preheater for cast iron on high-head fins Download PDFInfo
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- CN102121707B CN102121707B CN2011101022606A CN201110102260A CN102121707B CN 102121707 B CN102121707 B CN 102121707B CN 2011101022606 A CN2011101022606 A CN 2011101022606A CN 201110102260 A CN201110102260 A CN 201110102260A CN 102121707 B CN102121707 B CN 102121707B
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- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The invention relates to an air preheater for cast iron on high-head fins, comprising a shell, a flue gas inlet, a flue gas outlet, an air inlet, an air outlet, a heat exchange element and a sealing structure, wherein the heat exchange element and the sealing structure are arranged in the shell; the heat exchange element comprises a plurality of iron-cast fin plate heat exchange units; each iron-cast fin plate heat exchange unit comprises two substrates which are opposite and aligned in the longitudinal direction as well as inner and outer fins which are respectively positioned at the two sides of the substrates; the sealing surfaces of the two ends of the two substrates are respectively connected by sealing bolts in a sealing manner; the inner fins of the substrates comprise the high-head fins, low-head fins or vacant sites which are arranged at intervals; the tops of the high-head fins are higher than the sealing surfaces, and the tops of the low-head fins are lower than the sealing surfaces; and when the sealing surfaces of the two substrates are aligned, the high-head fins prop against the low-head fins, or the high-head fins are inserted into the vacant sites. In the air preheater, since the high-head fins prop against the low-head fins, or the high-head fins are inserted into the vacant sites, the no-fin gaps in the prior art are eliminated, the heat exchange efficiency is improved, and simultaneously, the air preheater has the characteristics of energy conservation, emission reduction and consumption reduction.
Description
Technical field
The present invention relates to the heat exchange high efficient heat exchanging energy-saving equipment technology in the mechanized equipment engineering, particularly relate to a kind of high fin cast-iron air preheater.
Background technology
In the prior art, common cast-iron air preheater as shown in Figure 1, its structure includes housing 2, smoke inlet 1, exhanst gas outlet 7, air intake 6, air outlet slit 4, and is arranged at heat exchange element 3 and hermetically-sealed construction 5 in the housing 2.Its course of work is: flue gas enters from smoke inlet 1, discharge through the backward exhanst gas outlet 7 of heat exchange element 3 heat exchange heat releases from smoke inlet 1, air enters from the air intake 6 of housing 2 sidewalls, discharges through the absorb heat air outlet slit 4 of backward housing 2 sidewalls of heat exchange element 3 heat exchanges from air intake 6.Its heat exchange element 3 has generally included a plurality of cast iron fin plate heat exchange units, inner fin 34 and outer fin 33 that cast iron fin plate heat exchange unit includes substrate 31 and lays respectively at the both sides of substrate 31, cast iron fin plate heat exchange unit by two substrates 31 longitudinally align, and respectively by the be tightly connected sealing surface 32 of its end, edge of sealing bolt 10, between sealing surface 32, can install sealing gasket 9 additional for sealing better.
Its operation principle is: still enter at a high speed cast-iron air preheater with the flue gas of low temperature exhaust heat from the smoke inlet 1 that the housing 2 of cast-iron air preheater arranges, after cast iron fin plate heat exchange unit heat exchange heat release, discharge from the exhanst gas outlet 7 that the housing 2 of cast-iron air preheater arranges.And the flow process of air side is divided into two journeys, compress at a high speed from the air intake 6 of cast-iron air preheater sidewall, level is finished a journey after flowing to cover plate 8, then 90 ° of turnovers continue to flow along cover plate 8, level flows to the air outlet slit 4 of cast-iron air preheater sidewall and flows out after 90 ° of turnovers again, finishes the second journey, in this two journey, air is from cast iron fin plate heat exchange unit heat exchange heat absorption, and the flow direction of its Air and the flow direction of flue gas are perpendicular.
As shown in Figures 2 and 3, above-mentioned cast-iron air preheater of the prior art, exist cast iron fin plate heat exchange unit without fin space.After namely two substrates 31 form a cast iron fin plate heat exchange unit, there is aptery gap A between the inner fin 34 separately, since this part space to air-flow without any baffling stop, so that the fraction air-flow directly flows to the other end from an end of the runner of cast iron fin plate heat exchange unit, and the short circuit without the heat exchange heat exchange, so that heat exchange efficiency is lower, but also cause energy consumption larger.
And, above-mentioned cast-iron air preheater is existing to cause the low problem of heat exchange efficiency without fin space, also be the existing common issue with of air preheater of other type simultaneously, therefore, improve for the problems referred to above of the prior art, have very far-reaching and great meaning in field of engineering technology.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and provide a kind of heat exchange efficiency high, energy-saving and cost-reducing, and a height simple in structure fin cast-iron air preheater.
Purpose of the present invention is achieved through the following technical solutions: a kind of high fin cast-iron air preheater, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and hermetically-sealed construction in the described housing, described heat exchange element includes a plurality of cast iron fin plate heat exchange units, described cast iron fin plate heat exchange unit includes two longitudinally substrates of alignment in correspondence with each other, and the inner fin and the outer fin that lay respectively at described substrate both sides, the sealing surface at described two substrate two ends is tightly connected by sealing bolt respectively, wherein: the inner fin of described substrate includes a high fin and the fin of bowing, and a described height fin and the described fin of bowing arrange alternately; A described height fin top is higher than described sealing surface, and the described fin top of bowing is lower than described sealing surface; When the sealing surface of described two substrates alignd, wherein the fin of bowing of the height of a substrate fin and another piece substrate connected, and a height fin of bow fin and another piece substrate of a substrate connects.
Flue gas enters from described smoke inlet, discharges from described exhanst gas outlet through described heat exchange element, and air enters from the air intake of described housing sidewall, discharges from the air outlet slit of described housing sidewall through described heat exchange element.
Wherein, a described height fin and described fin laterally the arranging alternately along described substrate of bowing.
Wherein, a described height fin and described fin vertically the arranging alternately along described substrate of bowing.
Wherein, a described height fin and the described fin of bowing arrange alternately along the horizontal and vertical of described substrate respectively.
Wherein, described inner fin and described outer fin are a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures.
Purpose of the present invention can also be achieved through the following technical solutions: a kind of high fin cast-iron air preheater, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and hermetically-sealed construction in the described housing, described heat exchange element includes a plurality of cast iron fin plate heat exchange units, described cast iron fin plate heat exchange unit includes two longitudinally substrates of alignment in correspondence with each other, and the inner fin and the outer fin that lay respectively at described substrate both sides, the sealing surface at described two substrate two ends is tightly connected by sealing bolt respectively, wherein: the inner fin of described substrate includes a high fin and room, and a described height fin and described room arrange alternately; A described height fin top is higher than described sealing surface; During the alignment of the sealing surface of described two substrates, wherein the room of the height of a substrate fin and another piece substrate plugs mutually and puts, and a height fin of the room of a substrate and another piece substrate plugs mutually to be put.
Flue gas enters from described smoke inlet, discharges from described exhanst gas outlet through described heat exchange element, and air enters from the air intake of described housing sidewall, discharges from the air outlet slit of described housing sidewall through described heat exchange element.
Wherein, a described height fin and described room laterally arranging alternately along described substrate.
Wherein, a described height fin and described room vertically arranging alternately along described substrate.
Wherein, a described height fin and described room arrange alternately along the horizontal and vertical of described substrate respectively.
Wherein, described inner fin and described outer fin are a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures.
Beneficial effect of the present invention: a kind of high fin cast-iron air preheater of the present invention includes housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and is arranged at heat exchange element and hermetically-sealed construction in the housing; Flue gas enters from smoke inlet, discharges from exhanst gas outlet through heat exchange element from top to bottom, and air enters from the air intake of housing side, discharges from the air outlet slit of housing side through heat exchange element from bottom to top; Heat exchange element includes a plurality of cast iron fin plate heat exchange units, cast iron fin plate heat exchange unit include two in correspondence with each other longitudinally the alignment substrate and inner fin and the outer fin that lays respectively at the substrate both sides, the sealing surface at two substrate two ends is tightly connected by sealing bolt respectively, wherein, the inner fin of substrate includes a high fin and the fin of bowing, and a high fin arranges alternately with the fin of bowing; A high fin top is higher than sealing surface, and the fin top of bowing is lower than sealing surface; When the sealing surface of two substrates alignd, wherein the fin of bowing of the height of a substrate fin and another piece substrate connected, and a height fin of bow fin and another piece substrate of a substrate connects.The present invention offsets by a high fin and the fin of bowing, and forms to support mutually overlapping height D, thereby has eliminated aptery gap A of the prior art, when improving heat exchange efficiency, has good energy-saving and emission-reduction consumption reduction and characteristics simple in structure.
A kind of high fin cast-iron air preheater of the present invention includes housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and is arranged at heat exchange element and hermetically-sealed construction in the housing; Flue gas enters from smoke inlet, discharges from exhanst gas outlet through heat exchange element from top to bottom, and air enters from the air intake of housing side, discharges from the air outlet slit of housing side through heat exchange element from bottom to top; Heat exchange element includes a plurality of cast iron fin plate heat exchange units, cast iron fin plate heat exchange unit include two in correspondence with each other longitudinally the alignment substrate and inner fin and the outer fin that lays respectively at the substrate both sides, the sealing surface at two substrate two ends is tightly connected by sealing bolt respectively, wherein, the inner fin of substrate includes a high fin and room, and a high fin and room arrange alternately; A high fin top is higher than sealing surface, and the fin top of bowing is lower than sealing surface; When the alignment of the sealing surface of two substrates, wherein the room of the height of a substrate fin and another piece substrate plugs mutually and puts, and a height fin of the room of a substrate and another piece substrate plugs mutually to be put.The present invention plugs by a high fin and room, forms the overlapping height E of interfix, thereby has eliminated aptery gap A of the prior art, when improving heat exchange efficiency, has good energy-saving and emission-reduction consumption reduction and characteristics simple in structure.
Technical scheme of the present invention provides technical foundation for the research and development of the cast iron fin plate heat exchange unit of the large flow of large tracts of land under the worst hot case and narrow gap.
Description of drawings
Utilize accompanying drawing that invention is described further, but the embodiment in the accompanying drawing does not consist of any limitation of the invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of the cast-iron air preheater of prior art.
Fig. 2 is the part-structure schematic diagram of cast iron fin plate heat exchange unit of the cast-iron air preheater of prior art.
Fig. 3 is the part-structure schematic diagram at another visual angle of cast iron fin plate heat exchange unit of the cast-iron air preheater of prior art.
Fig. 4 is the part-structure schematic diagram of the embodiment 1 of a kind of high fin cast-iron air preheater of the present invention.
Fig. 5 is the structural representation at another visual angle of the embodiment 1 of a kind of high fin cast-iron air preheater of the present invention.
Fig. 6 is the structural representation of the embodiment 2 of a kind of high fin cast-iron air preheater of the present invention.
Fig. 7 is the structural representation of the embodiment 3 of a kind of high fin cast-iron air preheater of the present invention.
Fig. 8 is the part-structure schematic diagram of the embodiment 4 of a kind of high fin cast-iron air preheater of the present invention.
Fig. 9 is the structural representation at another visual angle of the embodiment 4 of a kind of high fin cast-iron air preheater of the present invention.
Figure 10 is the structural representation of the embodiment 5 of a kind of high fin cast-iron air preheater of the present invention.
Figure 11 is the structural representation of the embodiment 6 of a kind of high fin cast-iron air preheater of the present invention.
In Fig. 1 to Figure 11, include: 1---smoke inlet, 2---housing, 3---heat exchange element, 31---substrate, 32---sealing surface, 33---outer fin, 34---inner fin, 341---a high fin, 342---fin of bowing, 343---room, 35---sealing bolt hole, 4---air outlet slit, 5---hermetically-sealed construction, 6---air intake, 7---exhanst gas outlet, 8---cover plate, 9---sealing gasket, 10---sealing bolt,
A---aptery gap, B---flue gas flow channel, C---air flow channel,
D---mutually to overlapping height, E---the overlapping height of interfix.
The specific embodiment
The invention will be further described with the following Examples.
One of specific embodiment of a kind of high fin cast-iron air preheater of the present invention, such as Fig. 1, Fig. 2 and shown in Figure 3, include housing 2, smoke inlet 1, exhanst gas outlet 7, air intake 6, air outlet slit 4, and be arranged at heat exchange element 3 and hermetically-sealed construction 5 in the housing 2; Flue gas enters from smoke inlet 1, discharges from exhanst gas outlet 7 through heat exchange element 3 from top to bottom, and air enters from the air intake 6 of housing 1 side, discharges from the air outlet slit 4 of housing 2 sides through heat exchange element 3 from bottom to top; Air-flow direction and flow of flue gas direction are perpendicular, heat exchange element 3 includes a plurality of cast iron fin plate heat exchange units, inner fin 34 and outer fin 33 that cast iron fin plate heat exchange unit includes substrate 31 and lays respectively at the both sides of substrate 31, cast iron fin plate heat exchange unit by two substrates 31 longitudinally align, and respectively by the be tightly connected sealing surface 32 at its two ends of sealing bolt 10.Be arranged at the inner fin 34 of both sides of substrate 31 and outer fin 33 respectively with substrate 31 integrally casting moulding.
Concrete, as shown in Figure 4 and Figure 5, the inner fin 34 of substrate 31 includes a high fin 341 and the fin 342 of bowing; A high fin 341 tops are higher than sealing surface 32, and fin 342 tops of bowing are lower than sealing surface 32; A high fin 341 and the fin 342 of bowing arrange alternately; When the sealing surface 32 of two substrates 31 alignd, wherein the height of a substrate 31 fin 341 connected with the fin 342 of bowing of another piece substrate 31, and a height fin 341 of bow fin 342 and another piece substrate 31 of a substrate 31 connects.The both sides of substrate 31 are respectively arranged with sealing bolt hole 35.The present invention offsets by a high fin 341 and the fin 342 of bowing, form and support mutually overlapping height D, thereby eliminated aptery gap A of the prior art, when improving heat exchange efficiency, characteristics with good energy-saving and emission-reduction consumption reduction, because the present invention is simple in structure, be convenient to popularizing and promoting on the market simultaneously.
In addition, the height of a height of the present invention fin 341 will exceed sealing surface 32 and the basic height between the medial surface 0.5 times to 1 times.Preferably, the height of a height of the present invention fin 341 will exceed 0.8 times to 1 times of height between sealing surface 32 and the basic medial surface.
Because a high fin 341 and the fin 342 of bowing are mode alternately in the inner fin 34 of substrate of the present invention 31 inboards, so that 31 a kind of moulds of need of substrate can be finished casting, behind substrate 31 castings, with reverses its direction pairing assembling between per two substrates 31, can form the netting structure of a high fin 341 and the fin 342 of bowing, casting is convenient and cost is lower; Simultaneously the present invention also can adopt two kinds of die castings, namely distinguish the height fin 341 on the cast base plate 31, and the bow fin 342 corresponding with a height fin 341 of casting, so also can cooperate so that the height fin 341 in two substrates 31 supports mutually with fin 342 height of bowing, but owing to need two kinds of die castings, the preferred a kind of mould of the present invention increased production cost, so can be finished the method for casting.
Concrete, a high fin 341 and fin 342 laterally the arranging alternately along substrate 31 of bowing.In order to make when the sealing surface 32 of two substrates 31 aligns, wherein the height of a substrate 31 fin 341 connects with the fin 342 of bowing of another piece substrate 31, a height fin 341 of bow fin 342 and another piece substrate 31 of a substrate 31 connects, in the casting of substrate 31, the fin 341 of the height on the substrate 31 is that the symmetry axis correspondence is provided with the fin 342 of bowing along the longitudinal central axis line of substrate 31.The length direction of the horizontal direction of substrate 31 and substrate 31, a so-called high fin 341 and fin 342 laterally the arranging alternately along substrate 31 of bowing, namely the high fin of row 341 is corresponding is provided with the row fin 342 of bowing, and then the high fin 341 of secondary series and the secondary series fin 342 of bowing is set again, set gradually, the n row can be set altogether, wherein n〉1.
Concrete, the structure of inner fin 34 and outer fin 33 can have various ways, and inner fin 34 can be a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures; Outer fin 33 can be a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures.Wherein, the length direction of the inner fin 34 of laminated structure is consistent with housing runner direction, the length direction of the outer fin 33 of laminated structure is consistent with housing runner direction, is conducive to after the 341 cast-iron air preheater work of a height of the present invention fin cleaning to enclosure interior.
In addition, the outer fin 33 that substrate 31 is set can all be contour hypsicephalic fin, perhaps also can be that the hypsicephalic fin of part arranges i.e. hypsicephalic fin and the alternate setting of low head dummy fin alternately with the low head dummy fin of part.
The utility model specifically can be used for the technical field that petroleum refining and chemical industry, Coal Chemical Industry, chemical fertilizer, air-conditioning, air cooling, electric power facility equipment etc. have the heat exchange requirement.
Embodiment 2
Two of the specific embodiment of a kind of high fin cast-iron air preheater of the present invention, as shown in Figure 6, the main technical schemes of present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 1, no longer give unnecessary details at this.The difference of present embodiment and embodiment 1 is, a high fin 341 and fin 342 vertically the arranging alternately along substrate 31 of bowing.The width of the longitudinal direction of substrate 31 and substrate 31, a so-called high fin 341 and fin 342 vertically the arranging alternately along substrate 31 of bowing, namely the high fin of a row 341 is corresponding is provided with the row fin 342 of bowing, and then the high fin 341 of second row and the second row fin 342 of bowing is set again, set gradually, the n row can be set altogether, wherein n〉1.
In the casting of substrate 31, height on the substrate 31 fin 341 is that the symmetry axis correspondence is provided with the fin 342 of bowing along the horizontal axis of substrate 31, and in like manner the fin 342 of bowing on the substrate 31 is that the symmetry axis correspondence is provided with a high fin 341 along the horizontal axis of substrate 31.
Embodiment 3
Three of the specific embodiment of a kind of high fin cast-iron air preheater of the present invention, as shown in Figure 7, the main technical schemes of present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 1, no longer give unnecessary details at this.The difference of present embodiment and embodiment 1 is that a high fin 341 and the fin 342 of bowing arrange alternately along the horizontal and vertical of substrate 31 respectively.Namely at the horizontal direction of substrate 31, one high fin 341 correspondences arrange the fin 342 of bowing, and and then second high fin 341 be set again, and and then second fin 342 of bowing be set again, successively until n the fin 342 of bowing; At the longitudinal direction of substrate 31, described one high fin 341 correspondences arrange the fin 342 of bowing, and and then second high fin 341 be set again, and and then second fin 342 of bowing be set again, successively until m the fin 342 of bowing.This structure, the quantity that a high fin 341 is set at substrate 31 reduces, and is conducive to reduce cost.
Embodiment 4
Four of the specific embodiment of a kind of high fin cast-iron air preheater of the present invention, such as Fig. 8 and shown in Figure 9, the main technical schemes of present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 1, no longer give unnecessary details at this.The difference of present embodiment and embodiment 1 is that the inner fin 34 of substrate 31 includes a high fin 341 and room 343, and a high fin 341 and room 343 arrange alternately; When sealing surface 32 alignment of two substrates 31, wherein the room 343 of the height of a substrate 31 fin 341 and another piece substrate 31 plugs mutually and puts, and a height fin 341 of the room 343 of a substrate 31 and another piece substrate 31 plugs mutually to be put.A so-called high fin 341 plugs with room 343, reality is the comparatively thin of a high fin 341 settings, so that in the space between another piece substrate 31 inboard two high fins 341 that arrange of a height fin 341 insertions of substrate 31 inboards, namely form the structure of interfix.
In addition, room 343 is defined as a kind of general introduction of lattice-site defective originally, refers in crystal structure the position that should normally be occupied by particle, has in fact lacked particle and the room 343 that stays; Room 343 among the present invention is in fact with above-mentioned definition, is specially in the fin structure of substrate 31 position that should normally be occupied by the fin 342 of bowing, in fact lacked the room 343 of bowing fin 342 and staying.
Concrete, a high fin 341 and room 343 laterally arrange alternately along substrate 31.For the explanation that laterally arranges alternately with the explanation among the embodiment 1.
Five of the specific embodiment of a kind of high fin cast-iron air preheater of the present invention, as shown in figure 10, the main technical schemes of present embodiment is identical with embodiment 4, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 4, no longer give unnecessary details at this.The difference of present embodiment and embodiment 4 is that a high fin 341 and room 343 vertically arrange alternately along substrate 31.For the explanation that vertically arranges alternately with the explanation among the embodiment 2.
Six of the specific embodiment of a kind of high fin cast-iron air preheater of the present invention, as shown in figure 11, the main technical schemes of present embodiment is identical with embodiment 4, in the present embodiment unaccounted feature, adopt the explanation among the embodiment 4, no longer give unnecessary details at this.The difference of present embodiment and embodiment 4 is that a high fin 341 and room 343 arrange alternately along the horizontal and vertical of substrate 31 respectively.For the horizontal and vertical explanation that arranges alternately with the explanation among the embodiment 3.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although with reference to preferred embodiment the present invention has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (7)
1. high fin cast-iron air preheater, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and hermetically-sealed construction in the described housing, described heat exchange element includes a plurality of cast iron fin plate heat exchange units, described cast iron fin plate heat exchange unit include two in correspondence with each other longitudinally the alignment substrate and inner fin and the outer fin that lays respectively at described substrate both sides, the sealing surface at described two substrate two ends is tightly connected by sealing bolt respectively, it is characterized in that:
The inner fin of described substrate includes a high fin and the fin of bowing;
A described height fin top is higher than described sealing surface, and the described fin top of bowing is lower than described sealing surface;
When the sealing surface of described two substrates alignd, wherein the fin of bowing of the height of a substrate fin and another piece substrate connected, and a height fin of bow fin and another piece substrate of a substrate connects;
A described height fin and described fin laterally the arranging alternately along described substrate of bowing; Perhaps, a described height fin and described fin vertically the arranging alternately along described substrate of bowing; Perhaps, a described height fin and the described fin of bowing arrange alternately along the horizontal and vertical of described substrate respectively.
2. a height according to claim 1 fin cast-iron air preheater is characterized in that: described inner fin and described outer fin are a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures.
3. high fin cast-iron air preheater, include housing, smoke inlet, exhanst gas outlet, air intake, air outlet slit, and be arranged at heat exchange element and hermetically-sealed construction in the described housing, described heat exchange element includes a plurality of cast iron fin plate heat exchange units, described cast iron fin plate heat exchange unit include two in correspondence with each other longitudinally the alignment substrate and inner fin and the outer fin that lays respectively at described substrate both sides, the sealing surface at described two substrate two ends is tightly connected by sealing bolt respectively, it is characterized in that:
The inner fin of described substrate includes a high fin and room, and a described height fin and described room arrange alternately;
A described height fin top is higher than described sealing surface;
During the alignment of the sealing surface of described two substrates, wherein the room of the height of a substrate fin and another piece substrate plugs mutually and puts, and a height fin of the room of a substrate and another piece substrate plugs mutually to be put.
4. a height according to claim 3 fin cast-iron air preheater is characterized in that: a described height fin and described room laterally arrange alternately along described substrate.
5. a height according to claim 3 fin cast-iron air preheater is characterized in that: a described height fin and described room vertically arrange alternately along described substrate.
6. a height according to claim 3 fin cast-iron air preheater is characterized in that: a described height fin and described room arrange alternately along the horizontal and vertical of described substrate respectively.
7. it is characterized in that according to claim 3 or 4 or 5 or 6 a described height fin cast-iron air preheater: described inner fin and described outer fin are a kind of structure in laminated structure, cylindrical-shaped structure and the circular cone ailhead shape structure or the combining structure of several structures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101022606A CN102121707B (en) | 2011-04-22 | 2011-04-22 | Air preheater for cast iron on high-head fins |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101022606A CN102121707B (en) | 2011-04-22 | 2011-04-22 | Air preheater for cast iron on high-head fins |
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| CN102121707B true CN102121707B (en) | 2013-04-17 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287848A (en) * | 2011-07-29 | 2011-12-21 | 茂名重力石化机械制造有限公司 | Oblique fin cast air preheater |
| CN102313469A (en) * | 2011-09-30 | 2012-01-11 | 茂名重力石化机械制造有限公司 | Assembled and welded plate fin type air preheater |
| CN102313470B (en) * | 2011-09-30 | 2013-11-27 | 茂名重力石化机械制造有限公司 | Cast plate fin air preheater |
| CN105547034B (en) * | 2016-02-04 | 2017-07-25 | 茂名重力石化装备股份公司 | A kind of fin plate, fin board fabrication method and the air preheater using the fin plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716789Y (en) * | 2004-05-21 | 2005-08-10 | 辽宁石油化工大学 | An improved air preheater |
| CN2757083Y (en) * | 2004-06-12 | 2006-02-08 | 辽宁石油化工大学 | Heat pipe air preheater |
| CN201210027Y (en) * | 2008-05-09 | 2009-03-18 | 溧阳市恒祥特钢机械制造有限公司 | Heat-transfer pipe applying to air preheater |
| CN201443778U (en) * | 2009-03-20 | 2010-04-28 | 茂名重力石化机械制造有限公司 | Highly-effective air preheater resisting flue gas erosion |
| CN101858604A (en) * | 2009-04-10 | 2010-10-13 | 茂名重力石化机械制造有限公司 | Anti-failure structure for cast iron air preheater and key process thereof |
| CN201992685U (en) * | 2011-04-22 | 2011-09-28 | 茂名重力石化机械制造有限公司 | Cast iron air preheater with high-headed fins |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3348099C2 (en) * | 1983-10-03 | 1994-10-20 | Wahlco Power Products Inc | Device for preheating a stream of combustion air |
-
2011
- 2011-04-22 CN CN2011101022606A patent/CN102121707B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2716789Y (en) * | 2004-05-21 | 2005-08-10 | 辽宁石油化工大学 | An improved air preheater |
| CN2757083Y (en) * | 2004-06-12 | 2006-02-08 | 辽宁石油化工大学 | Heat pipe air preheater |
| CN201210027Y (en) * | 2008-05-09 | 2009-03-18 | 溧阳市恒祥特钢机械制造有限公司 | Heat-transfer pipe applying to air preheater |
| CN201443778U (en) * | 2009-03-20 | 2010-04-28 | 茂名重力石化机械制造有限公司 | Highly-effective air preheater resisting flue gas erosion |
| CN101858604A (en) * | 2009-04-10 | 2010-10-13 | 茂名重力石化机械制造有限公司 | Anti-failure structure for cast iron air preheater and key process thereof |
| CN201992685U (en) * | 2011-04-22 | 2011-09-28 | 茂名重力石化机械制造有限公司 | Cast iron air preheater with high-headed fins |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102121707A (en) | 2011-07-13 |
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Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |