US1692562A - Plate air-heater - Google Patents
Plate air-heater Download PDFInfo
- Publication number
- US1692562A US1692562A US243895A US24389527A US1692562A US 1692562 A US1692562 A US 1692562A US 243895 A US243895 A US 243895A US 24389527 A US24389527 A US 24389527A US 1692562 A US1692562 A US 1692562A
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- Prior art keywords
- chambers
- air
- casing
- ports
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/10—Particular pattern of flow of the heat exchange media
- F28F2250/108—Particular pattern of flow of the heat exchange media with combined cross flow and parallel flow
Definitions
- This invention relates to air-heating struc-, tures utilizin waste heat from a boiler furnace or th useful purpose.
- the structure in which the invention is embodied is of the plate type, an air-conducting casin hot gases at one end an at the opposite end, and
- a group of air chambers extending side by side lengthwise of the casing, each chamber having relatively wide side plates, united at their edges to form a thin air passage, ob long in cross section, the chambers being provided at their end portions with ports registering with the casing o nings, the arrangement being such that t e casing is adapted, to conduct hot gases upwardly between the chambers, while the chambers downwardly conduct air admitted to their upper ends through orts at the upper front ends of the chambers, heated air being discharged through ports at the lower forward or rear ends of the chambers.
- the chief object of the ivention is to provid bers of which are adapted to be conveniently installed, with either end at the top, and reversed end to end after a period of use, so that when the upper end portions of the chambers are impaired'by corrosion, due to the use of sulphurous. fuel, this corrosion occurring chiefly at the cooler upper end portions, the chambers uncorroded portions thereof uppermost, and thus practically double the life ofthe chamers.
- Another object is to provide improved means associated with tlie ports of the chambers for filling the casing openings, to prevent leakage of gases from the casing around the ports.
- Another object is to provide an improved construction of the chambers at the ports thereof, whereby tapering throats are formed to facilitate the flow of air into the ports at the upper end portions of the chambers.
- Figure '1 is a front elevation of an air heater embodying the invention.
- FIG. 1 is a longitudinal section on line 2-2 of Figure 1.
- Figure 3 is an enlargement of a portion of Figure 2.
- igure 5 is a fragmentary section on line 5 5 of Figure 1.
- Figure 6- is a perspective view, showing one of the clips hereinafter-described.
- Figure 7 is a perspective View of one of the air chambers.
- Figure 8 is a section on ure 7
- Figure 9 is a ure 7.
- Figure 10 is an enlarged fragmentary section on line 1010 of section on line 9-9 of Fig- F lgure 1.
- Figure 11 is afragmentary section, showing two of the chambers.
- Figure 12 shows in one of the chambers, and a portion of a filling member intended to be engaged with the chambers, as shown by Figure 7.
- members surround the ports and are formed to collectively close the casing openings around the chambers, and space the chambers apart, as shown by Figure 10, the joints of said members being made up with plastic cement unaiiected by heat.
- I provide means adapted to detachably secure the chambers to the casing, so that they may be detached, reversed end for end, and again attached, the form of the chambers and the form and arrangement of the attaching means being such that the chambers are reversible.
- Said filling members are, in this instance, provided with slots 21, receii'ing ears or wings 22, formed on the outer edges of the chambers and forming the 0pposite sides of the air ports.
- Said wings are of the angular form shown by Figures 8, 10 and 11, and constitute diverging sides of throats 24 ( Figure 11), which facilitatethe entrance of cool air into the upper ports of the chambers, and prevent the formation of air eddies outside the ports.
- lar clips 25 formed as shown by Figures 6 and 10, of sheet or plate metal, adapted to be sprung upon the angular ears 22, and connect the ears on adjacent air chambers.
- the filling members 18 are abutted together, as shown by Figures 10 and 11, and are separable from each other. Said members form a series filling the casing openings around the ports of the air chambers.
- One end member of the series contacts with a fixed abutment 26 ( Figure 4) on the casing.
- the opposite end member contacts with a movable clamping abutment 27 ( Figures 5 and 10), which is adjustable to clamp the filling members together and confine the air chambers suitably spaced apart.
- the casing is provided with means for adjusting the abutment 27, preferably embodied in a slide 28, on which the abutment 27 is formed, said slide being movable on a guide 29, fixed to the casing and provided with an ear 30, receiving a rod 31.
- the head 32 of the rod bears on the inner side of a portion of the casing 12, and a nut 33 engaged with a threaded portion of the rod bears on the ear 30.
- the nut When the nut is turned in one direction, it moves the slide28 to press the abutment 27 inwardly, andcause its clamping action.
- the slide is guided by a fixed bolt 34, passing through a slot 35 in the slide.
- One plate of each series may be provided with external angle strips or lugs 38, adapted to bear on an adjacent chamber and maintain the predeterminedspacing between the chambers.
- One wall of the casing may be pro vided with a spacing strip 39, having notches 10 ( Figure 10) adapted to engage the vertical inner edges of the air chambers, said edges being preferably V-shaped.
- An air heater of the plate type comprising a heat-conducting casing adapted'to receive hot gases at one end and discharge the same at the opposite end, and having side opcningsat its end portions, a group of air chambers extending side by side lengthwise of the casing, each chamber including a pair of parallel rectangular plates united at their edges to form a thin air passage which is oblong in cross section, one longitudinal edge of the chamber having at one end portion an air inlet port registering with one of the easing openings, and at its opposite end portion an air outlet port registering with the other casing opening, and attaching means adapted to 'detachably secure the chambers to the casing, the form of the chambers and the attaching means permitting the reversal ofthe chambers end for end, the chambers being provided with filling members surrounding the ports and formed to collective- 1y, close the casing openings around the chambers and space the chambers apart, the arrangement being such that the, casing is adapted to conduct hot gases in
- the chamber attaching means being embodied in tie bolts engaged with and projecting from the edges of the chambers above and below the ports, and adapted to enter registering bolt holes in the casing and provided with clamping nuts.
Description
Nov. 20, 1.928.
c. D. MOSH ER PLATE AIR HEATER Filed Dec $1, 1927- 2 Sheets-Shet 1 Nov. 20, 1928.
,C. D. MOSHER PLATE A IR HEATER 2 Sheets-Sheet 2 Filed Dec. 31, 1927 J! 4 A/ m Patented Nov. 20, 1928.
CHARLES D. MOSHER, OF HYDE PARK, MASSACHUSETTS.
PLATE AIR-HEATER.
Application filed December 31, 1927. Serial No. 243,895. I
This invention relates to air-heating struc-, tures utilizin waste heat from a boiler furnace or th useful purpose.
The structure in which the invention is embodied is of the plate type, an air-conducting casin hot gases at one end an at the opposite end, and
adapted to receive discharge the same having large side tlons, a group of air chambers extending side by side lengthwise of the casing, each chamber having relatively wide side plates, united at their edges to form a thin air passage, ob long in cross section, the chambers being provided at their end portions with ports registering with the casing o nings, the arrangement being such that t e casing is adapted, to conduct hot gases upwardly between the chambers, while the chambers downwardly conduct air admitted to their upper ends through orts at the upper front ends of the chambers, heated air being discharged through ports at the lower forward or rear ends of the chambers. I
The chief object of the ivention is to provid bers of which are adapted to be conveniently installed, with either end at the top, and reversed end to end after a period of use, so that when the upper end portions of the chambers are impaired'by corrosion, due to the use of sulphurous. fuel, this corrosion occurring chiefly at the cooler upper end portions, the chambers uncorroded portions thereof uppermost, and thus practically double the life ofthe chamers. Y
Another object is to provide improved means associated with tlie ports of the chambers for filling the casing openings, to prevent leakage of gases from the casing around the ports. I Another object is to provide an improved construction of the chambers at the ports thereof, whereby tapering throats are formed to facilitate the flow of air into the ports at the upper end portions of the chambers.
Other related objects will hereinafter apear. p Of the accompanying drawings forming a part of this specification Figure '1 is a front elevation of an air heater embodying the invention.
er source, to heat air for a.
and comprises openings at its upper and lower end por same parts'in all of the e an air-heating structure, .theairchammay be reversed to locateopening 14.
Figure 3 is an enlargement of a portion of Figure 2. f
Figure (t is a fragmentary section on line 44 of Figure 1.
Figure 6-is a perspective view, showing one of the clips hereinafter-described.
Figure 7 is a perspective View of one of the air chambers.
Figure 8 is a section on ure 7 Figure 9 is a ure 7. v
Figure 10 is an enlarged fragmentary section on line 1010 of section on line 9-9 of Fig- F lgure 1.
Figure 11 is afragmentary section, showing two of the chambers. Figure 12 shows in one of the chambers, and a portion of a filling member intended to be engaged with the chambers, as shown by Figure 7.
line 88 of Figperspective portions of The same reference characters indicate the figures. 12"des1gnates a vertically elongated heatconducting casing, adapted at its upper end. A large rectangular upper opening 13 is formed in the upper end portion of the casing, and a lower opening 14, of the same size and form, is formed in the lower end portion'of the casing, the opening 13 admitting cool air to the upper ends of the chambers hereinafter described, and the the discharge of 1 16, registering with the uppercasing opening 13, and an air outlet port 17, at its lower end portion registe The chambers are provided with filling portion of one of which is the lower ends of said cham-' oblong in cross section.
mg with the lower casing to receive hot gases at its lower end, and discharge the same.
members surround the ports and are formed to collectively close the casing openings around the chambers, and space the chambers apart, as shown by Figure 10, the joints of said members being made up with plastic cement unaiiected by heat.
I provide means adapted to detachably secure the chambers to the casing, so that they may be detached, reversed end for end, and again attached, the form of the chambers and the form and arrangement of the attaching means being such that the chambers are reversible. I prefer to embody the attaching means in tie bolts 19, connected with and projecting from the forward edges of the chambers, above and below the ports thereof, said bolts being adapted to enter holes formed for their reception in the casing, and provided with clamping nuts 20 (Figure 3). In this instance, the bolts 19 are engaged directly with the filling members 18, as best shown by Figures 3 and 11. Said filling members are, in this instance, provided with slots 21, receii'ing ears or wings 22, formed on the outer edges of the chambers and forming the 0pposite sides of the air ports. Said wings are of the angular form shown by Figures 8, 10 and 11, and constitute diverging sides of throats 24 (Figure 11), which facilitatethe entrance of cool air into the upper ports of the chambers, and prevent the formation of air eddies outside the ports.
To extend the throats 24, I provide 'angu; lar clips 25, formed as shown by Figures 6 and 10, of sheet or plate metal, adapted to be sprung upon the angular ears 22, and connect the ears on adjacent air chambers.
The filling members 18 are abutted together, as shown by Figures 10 and 11, and are separable from each other. Said members form a series filling the casing openings around the ports of the air chambers. One end member of the series contacts with a fixed abutment 26 (Figure 4) on the casing. The opposite end member contacts with a movable clamping abutment 27 (Figures 5 and 10), which is adjustable to clamp the filling members together and confine the air chambers suitably spaced apart.
The casing is provided with means for adjusting the abutment 27, preferably embodied in a slide 28, on which the abutment 27 is formed, said slide being movable on a guide 29, fixed to the casing and provided with an ear 30, receiving a rod 31. The head 32 of the rod bears on the inner side of a portion of the casing 12, and a nut 33 engaged with a threaded portion of the rod bears on the ear 30. When the nut is turned in one direction, it moves the slide28 to press the abutment 27 inwardly, andcause its clamping action. The slide is guided by a fixed bolt 34, passing through a slot 35 in the slide.
The abutting edges of its filling members 1'8 are preferably provided with. interengaged shoulders 36, formed to maintain the members in alinement with each other, as shown by Figures 10 and 11.
To prevent inward buckling of the plates 15, forming the sides of the air chambers, I secure to one plate of each chamber, longitudinally extending angle strips 37, bearing on the opposite plate.
One plate of each series may be provided with external angle strips or lugs 38, adapted to bear on an adjacent chamber and maintain the predeterminedspacing between the chambers. One wall of the casing may be pro vided with a spacing strip 39, having notches 10 (Figure 10) adapted to engage the vertical inner edges of the air chambers, said edges being preferably V-shaped.
1 claim: I 1. An air heater of the plate type, comprising a heat-conducting casing adapted'to receive hot gases at one end and discharge the same at the opposite end, and having side opcningsat its end portions, a group of air chambers extending side by side lengthwise of the casing, each chamber including a pair of parallel rectangular plates united at their edges to form a thin air passage which is oblong in cross section, one longitudinal edge of the chamber having at one end portion an air inlet port registering with one of the easing openings, and at its opposite end portion an air outlet port registering with the other casing opening, and attaching means adapted to 'detachably secure the chambers to the casing, the form of the chambers and the attaching means permitting the reversal ofthe chambers end for end, the chambers being provided with filling members surrounding the ports and formed to collective- 1y, close the casing openings around the chambers and space the chambers apart, the arrangement being such that the, casing is adapted to conduct hot gases in one direction between the chambers, while the chambers conduct air in the opposite direction from the inlet to the outlet port.
2. An air heater as specified by claim 1, the chamber attaching means being embodied in tie bolts engaged with and projecting from the edges of the chambers above and below the ports, and adapted to enter registering bolt holes in the casing and provided with clamping nuts. j
3. An air heater as specified by claim 1, the filling members being separately abutted together edge to edge and forming a series filling the casing openings, one end member of the series contacting with a fixed abutment on the casing, the heater comprising also a movable clamping abutment bearing on the oppositeend of the series, and means for adjusting said abutmentto clamp the filling members together and confine the chamber in spaced apart relation. 1
' tain the site sides of the ports and forming the sides of tapering throats communicating with the chambers, the Wings of adjacent chambers being connected by angular clips sprung upon the angular Wings and forming extensions of said throats.
In testimony whereof I have aflixed my signature.
CHARLES D. MOSHER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US243895A US1692562A (en) | 1927-12-31 | 1927-12-31 | Plate air-heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US243895A US1692562A (en) | 1927-12-31 | 1927-12-31 | Plate air-heater |
Publications (1)
Publication Number | Publication Date |
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US1692562A true US1692562A (en) | 1928-11-20 |
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ID=22920576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US243895A Expired - Lifetime US1692562A (en) | 1927-12-31 | 1927-12-31 | Plate air-heater |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131159A (en) * | 1976-07-26 | 1978-12-26 | Karen L. Beckmann | Heat exchanger |
EP0062518A2 (en) * | 1981-04-03 | 1982-10-13 | John Howard Coope | Heat exchangers |
EP0316510A2 (en) * | 1987-11-17 | 1989-05-24 | Shinwa Sangyo Co., Ltd. | Heat exchanger for cooling tower |
EP3205969B1 (en) * | 2012-08-27 | 2021-07-21 | Kelvion PHE GmbH | Plate-like heat exchanger system, comprising a plate-like heat exchanger and an erosion protection strip for plate-like heat exchanger |
-
1927
- 1927-12-31 US US243895A patent/US1692562A/en not_active Expired - Lifetime
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131159A (en) * | 1976-07-26 | 1978-12-26 | Karen L. Beckmann | Heat exchanger |
EP0062518A2 (en) * | 1981-04-03 | 1982-10-13 | John Howard Coope | Heat exchangers |
EP0062518A3 (en) * | 1981-04-03 | 1983-04-06 | John Howard Coope | Heat exchangers |
EP0316510A2 (en) * | 1987-11-17 | 1989-05-24 | Shinwa Sangyo Co., Ltd. | Heat exchanger for cooling tower |
EP0316510A3 (en) * | 1987-11-17 | 1990-04-18 | Shinwa Sangyo Co., Ltd. | Heat exchanger for cooling tower |
US4997031A (en) * | 1987-11-17 | 1991-03-05 | Shinwa Sangyo Company, Ltd. | Heat exchanger for cooling tower |
EP0464874A2 (en) * | 1987-11-17 | 1992-01-08 | Shinwa Sangyo Co., Ltd. | Heat exchanger for cooling tower |
EP0464874A3 (en) * | 1987-11-17 | 1992-04-22 | Shinwa Sangyo Co., Ltd. | Heat exchanger for cooling tower |
EP3205969B1 (en) * | 2012-08-27 | 2021-07-21 | Kelvion PHE GmbH | Plate-like heat exchanger system, comprising a plate-like heat exchanger and an erosion protection strip for plate-like heat exchanger |
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