CN204438174U - The plate air preheater of full enamel passage - Google Patents
The plate air preheater of full enamel passage Download PDFInfo
- Publication number
- CN204438174U CN204438174U CN201520075485.0U CN201520075485U CN204438174U CN 204438174 U CN204438174 U CN 204438174U CN 201520075485 U CN201520075485 U CN 201520075485U CN 204438174 U CN204438174 U CN 204438174U
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- CN
- China
- Prior art keywords
- plate
- supporting seat
- pair
- air preheater
- pipe
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- 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.)
- Withdrawn - After Issue
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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 utility model discloses the plate air preheater of full enamel passage, comprise many plate pipes, a pair first supporting seats and a pair second supporting seats.Plate pipe is welded by a pair plate, and the inside and outside surface of each plate pipe is equipped with glass-lined coating.A pair first supporting seats lay respectively at the forward and backward side of many plate pipes, and the two ends of each plate pipe are each passed through the through hole on a pair first supporting seats, and are formed between the outer wall and through hole of plate pipe by fluid sealant and seal.A pair second supporting seats lay respectively at the left and right side of many plate pipes, and the forward and backward two ends of each the second supporting seat are interconnected with a pair first supporting seat securing members respectively, and sealant sealing is passed through at the position of connection.The inner surface of this pair first and second supporting seat is equipped with glass-lined coating.The utility model has dew-point corrosion resistant, easily manufactured, good seal performance, be convenient to install and the feature such as maintenance.
Description
Technical field
The utility model relates to heat exchanger, particularly relates to plate air preheater.
Background technology
Boiler and heating furnace are the main energy consumption equipments of the industry production such as electric power, petrochemical industry device, along with energy worsening shortages, the thermal efficiency improving boiler and heating furnace is extremely urgent significantly to reduce plant energy consumption, and to reduce exhaust gas temperature, utilize air preheater to carry out Mist heat recovering be the main measure improving boiler and thermal efficiency of heating furnace.Plate air preheater is high due to volume compact, heat exchange efficiency, is widely used in low temperature exhaust heat reclaims.But when flue-gas temperature is reduced to below acid dew-point temperature, the SO in flue gas
2and SO
3will generate acid water, produce corrosion failure to the metal heat-exchange element of air preheater, even if adopt corrosion-resistant stainless steel material, just delay corrosion rate a little, service life is still not long yet.In order to resist acid dew piont corrosion, current appearance uses resistant material as the plate air preheater of heat exchange plate, as glass plate, enamelled pressed steel etc., but the connection between plate adopts bolt, sealing between plate adopts gasket seal or sealing strip, due to temperature distortion in running, there will be the leakage problem of flue gas or air.
Summary of the invention
The purpose of this utility model is to provide a kind of dew-point corrosion resistant, easily manufactured, good seal performance, be convenient to install and the plate air preheater of full enamel passage of maintenance.
In order to achieve the above object, the utility model have employed following technical scheme:
A plate air preheater for full enamel passage, is characterized in that: comprising:
Many plate pipes, these many plate pipes are arranged at least one row, and each root plate pipe is welded by a pair plate be oppositely arranged; The inside and outside surface of each plate pipe is equipped with glass-lined coating;
A pair first supporting seats, lay respectively at front side and the rear side of many plate pipes; Each first supporting seat be provided with respectively with many plate pipes multiple through hole one to one, the two ends of each plate pipe are each passed through the through hole on these a pair first supporting seats, and are formed between the outer wall and through hole of plate pipe by fluid sealant and seal;
A pair second supporting seats, lay respectively at left side and the right side of many plate pipes, and the forward and backward two ends of each the second supporting seat are interconnected with a pair first supporting seat securing members respectively, are enclosed in wherein by many plate pipes; The inner surface of these a pair first supporting seats and a pair second supporting seats is equipped with glass-lined coating; Sealant sealing is passed through at the position that second supporting seat is connected with the first supporting seat.
After adopting technique scheme, the utility model has the following advantages:
1, plate air preheater of the present utility model is modular construction, and plate, the first supporting seat and the second supporting seat, all by punch forming, are convenient to manufacture and maintenance; Plate pipe adopts a pair plate docking welding, and the first supporting seat is connected by securing member with the second supporting seat, is convenient to realize coating glass-lined coating on the surface of plate pipe, the first supporting seat and the second supporting seat;
2, plate pipe of the present utility model enamel again after having welded, also be equipped with glass-lined coating at the inner surface of a pair first supporting seats and the second supporting seat simultaneously, after adopting full enamel thin plate, steel plate and enamel advantage separately can be given full play to, machining property good for sheet metal and heat transfer property and glass lined smooth, wear-resisting and corrosion resistance are carried out efficient combination, enamel effectively can resist acid dew piont corrosion, the service life of product is extended greatly, and not easily dust stratification, flow resistance is little;
3, plate of the present utility model is provided with flow-disturbing bulge-structure, and heat transfer efficiency is significantly improved; Simultaneously by arranging bolt, arranging the structure such as positioning convex and locating piece on plate pipe, alleviate plate vibration caused when air flows;
4, air preheater structure of the present utility model adopts the embedding of integral sealing glue, and rational in infrastructure, simply lightly, good seal performance, effectively prevent the leakage of flue gas and air, and cost performance is obviously better than existing air preheater.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plate air preheater according to the utility model one embodiment.
Fig. 2 is the schematic side view (broken section) of Fig. 1.
Fig. 3 is the schematic top plan view (broken section) of Fig. 1.
Fig. 4 is the front elevational schematic of the single plate according to the utility model one embodiment.
Fig. 5 is the side view of Fig. 4.
Fig. 6 is by the front elevational schematic of the plate pipe of two of Fig. 4 plate assembly weldings.
Fig. 7 is the side view of Fig. 6.
Fig. 8 is the perspective view of the first supporting seat according to the utility model one embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing the utility model made and further illustrating.
Refer to Fig. 1 to Fig. 7.According to the plate air preheater of the full enamel passage of the utility model one embodiment, comprise many plate pipes 1, a pair first supporting seats 3, a pair second supporting seats 4 and Duo Gen bolts 6.
These many plate pipes 1 are arranged at least one row, only to arrange the mode of row's plate pipe 1 exemplarily in figure.Each root plate pipe 1 is welded by a pair plate 11 be oppositely arranged, the all plate 11 of this plate air preheater has identical structure, and each plate 11 comprises plate body 111 and a conduplication side 112 of bending of being tilted to the direction, side of plate body by the two ends of this plate body respectively.The inner surface of each plate 11 and outer surface are equipped with multiple flow-disturbing projection 113, and the shape of flow-disturbing projection can be dome shape, also can be corrugated, and flow-disturbing projection can play the effect improving heat transfer efficiency.Above-mentioned flanging 112 and flow-disturbing projection 113 are all formed by punching press, manufacture shaping very convenient.Every root plate pipe 1 is equipped with locating piece 2 in the position near two ends pore oral area, and the two ends of each locating piece 2 are separately fixed on the inwall of a pair plate by welding, prevent the vibration of plate during air current flow.As shown in figures 6 and 7, the shape of cross section of locating piece 2 is I shape.In addition, the inner surface of each plate 11 and outer surface are also provided with multiple positioning convex 114, and multiple positioning convex 114 is also formed by punching press.The whole inside and outside surface of each plate pipe 1 is equipped with glass-lined coating, and its implementation procedure first a pair plate is welded into plate pipe, then locating piece is welded to tube holes on tube sheet portion, then by the inside and outside surperficial coating enamel of plate pipe with locating piece.Wherein the pore 10 of plate pipe is as air air flue, and as flue gas air flue outside plate pipe, enamel can resist the corrosion of acid dew piont corrosion and moisture in air well.
A pair first supporting seats 3 lay respectively at front side and the rear side of many plate pipes 1.The first gripper shoe 31 that each first supporting seat 3 comprises rectangle and four the first flange 32 extended by the lateral direction of four circumferential first gripper shoes of this first gripper shoe 31.First gripper shoe 31 be provided with respectively with many plate pipes multiple through hole 311 one to one, the periphery of each through hole 311 be provided with extend internally one circle rib 312, this one circle rib 312 outer surface be provided with glass-lined coating.In the example of hgure 5, the shape of through hole 311 is mounting hole.The two ends of each plate pipe 1 are each passed through the through hole on these a pair first supporting seats, and are formed between the outer wall and through hole 311 of plate pipe 1 by fluid sealant and seal, and utilize the viscosity of fluid sealant also to serve the effect be connected and fixed simultaneously.
A pair second supporting seats 4 lay respectively at left side and the right side of many plate pipes 1.The second gripper shoe 41 that each second supporting seat 4 comprises rectangle and four the second flange 42 extended by the lateral direction of four circumferential second gripper shoes of this second gripper shoe 41.Second flange of front end and second flange of rear end of each second supporting seat 4 are resisted against in the first gripper shoe 31 of a pair first supporting seats respectively, and are connected with the first gripper shoe 31 by bolt 5.Sealant sealing is passed through at the position that second supporting seat 4 is connected with the first supporting seat 3.Many plate pipes 1 are enclosed in the region surrounded by a pair first supporting seats 3 and a pair second supporting seats 4.
The surrounding of each first gripper shoe 31 offers bolt hole 310, as air channel flange; Second flange 42 of the first flange 32 of the top and bottom of each first supporting seat 3 and the top and bottom of each second supporting seat 4 all offers bolt hole, as flue flange.First supporting seat 3 and the second supporting seat 4 mode that is shaping by overall sheet stamping, peripheral flanging manufacture, at the inner surface 4a(i.e. inner surface of the first gripper shoe 31 and the second gripper shoe 41 of the inner surface 3a of these a pair first supporting seats 3 and a pair second supporting seats 4 after shaping) be provided with glass-lined coating, to resist the corrosion of flue gas.
Many bolts 6 are separately positioned on the upper and lower both sides of each row's plate pipe 1.The two ends of each root bolt 6 are each passed through the second gripper shoe 41 of a pair second supporting seats 4.The two ends of every root bolt 6 are equipped with thread segment, the locking nut each thread segment being arranged with seal washer and being connected with thread segment spiral; Locking nut is positioned at the outside of seal washer, and is pressed on by seal washer in the second gripper shoe 41 of the second supporting seat 4.By the pressure that the locking nut at many bolt two ends applies in opposite directions to the second gripper shoe 41 of a pair second supporting seats 4, the plate pipe being positioned at each row plate pipe two ends is all resisted against on the second supporting seat relative to the multiple positioning convex in the second supporting seat side, , multiple positioning convex on the inner surface of each plate pipe wherein one piece of plate abut correspondingly mutually with the multiple positioning convex on the inner surface of this another block plate of plate pipe respectively, multiple positioning convex on each piece of plate outer surface of each plate pipe abut with the multiple positioning convex on the plate outer surface of adjacent panels pipe correspondingly respectively mutually, thus effectively can eliminate the vibration that thin-walled plate causes because of air-flow.
Refer to Fig. 3.After a pair first supporting seats 3, a pair second supporting seats 4 and Duo Gen bolts 6 are combined as entirety, embedding fluid sealant 7 is poured into a mould by the space that surrounds at the first gripper shoe 31 and four first flange 32 of each first supporting seat 3, to be formed with between the through hole 311 and position that is connected with the first supporting seat 3 of the second supporting seat 4 at the outer wall of plate pipe 1 and seal, thus by air and flue gas completely isolated, prevent from mutually ganging up; And between the pore oral area and outside atmosphere of every root plate pipe 1, form air duct 8.Air duct 8 is in toroidal, and this air duct ecto-entad diameter diminishes gradually, to reduce the flow resistance of air.
All parts of plate air preheater of the present utility model are all assembled in manufactory, become modular construction, to reduce manufacturing cost, be convenient to user's type selecting use and maintain, and according to different flue gases and air mass flow, multiple plate air preheater can be carried out building block system assembling.
It is industrial enamel that glass lined another one is commonly called as, and is replaced by enamel or industrial enamel also will drop in the scope of the utility model claims so described by the enamel in above-described embodiment.
Claims (10)
1. the plate air preheater of full enamel passage, is characterized in that: comprising:
Many plate pipes, these many plate pipes are arranged at least one row, and each root plate pipe is welded by a pair plate be oppositely arranged; The inside and outside surface of each plate pipe is equipped with glass-lined coating;
A pair first supporting seats, lay respectively at front side and the rear side of many plate pipes; Each first supporting seat be provided with respectively with many plate pipes multiple through hole one to one, the two ends of each plate pipe are each passed through the through hole on these a pair first supporting seats, and are formed between the outer wall and through hole of plate pipe by fluid sealant and seal;
A pair second supporting seats, lay respectively at left side and the right side of many plate pipes, and the forward and backward two ends of each the second supporting seat are interconnected with a pair first supporting seat securing members respectively, are enclosed in wherein by many described plate pipes; The inner surface of these a pair first supporting seats and a pair second supporting seats is equipped with glass-lined coating; Sealant sealing is passed through at the position that second supporting seat is connected with the first supporting seat.
2. the plate air preheater of full enamel passage as claimed in claim 1, it is characterized in that, the inner surface of each plate and outer surface are equipped with multiple positioning convex;
This plate air preheater also comprises many bolts, and these many bolts are separately positioned on the upper and lower both sides of each row's plate pipe; The two ends of each root bolt are each passed through a pair second supporting seats, and the two ends of every root bolt are equipped with thread segment, the locking nut each thread segment being arranged with seal washer and being connected with thread segment spiral; Locking nut is positioned at the outside of seal washer, is pressed on by seal washer on the second supporting seat;
The plate pipe being positioned at each row plate pipe two ends is all resisted against on the second supporting seat relative to the multiple positioning convex in the second supporting seat side;
Multiple positioning convex on each piece of plate outer surface of each plate pipe abut with the multiple positioning convex on the plate outer surface of adjacent panels pipe correspondingly respectively mutually;
Multiple positioning convex on the inner surface of each plate pipe wherein one piece of plate abut correspondingly mutually with the multiple positioning convex on the inner surface of this another block plate of plate pipe respectively.
3. the plate air preheater of full enamel passage as claimed in claim 2, is characterized in that, each described positioning convex is formed by punching press;
The forward and backward two ends of each the second supporting seat are interconnected respectively by bolt and a pair first supporting seats.
4. the plate air preheater of full enamel passage as claimed in claim 2, it is characterized in that, every root plate pipe is equipped with locating piece in the position near two ends pore oral area, and the two ends of each locating piece are separately fixed on the inwall of two boards sheet.
5. the plate air preheater of full enamel passage as claimed in claim 1, it is characterized in that, it is protruding that the inner surface of each plate and outer surface are equipped with multiple flow-disturbing, and described multiple flow-disturbings project through punching press and formed.
6. the plate air preheater of enamel passage as claimed in claim 1 complete, is characterized in that, the conduplication side that each plate comprises plate body and tilted to bend to the direction, side of plate body by the two ends of this plate body respectively.
7. the plate air preheater of full enamel passage as claimed in claim 1, is characterized in that, the periphery of each through hole on described first supporting seat is provided with the circle rib extended internally, and the outer surface of this circle rib is provided with glass-lined coating;
The shape of described through hole is mounting hole.
8. as the plate air preheater of the full enamel passage in claim 1 to 7 as described in any one, it is characterized in that, the first gripper shoe that each described first supporting seat comprises rectangle and four the first flange extended by the lateral direction of four circumferential first gripper shoes of this first gripper shoe;
The second gripper shoe that each described second supporting seat comprises rectangle and four the second flange extended by the lateral direction of four circumferential second gripper shoes of this second gripper shoe; Second flange of the front end of each second supporting seat and the second flange of rear end are resisted against in the first gripper shoe of a pair first supporting seats respectively, and are connected with the first gripper shoe by bolt.
9. the plate air preheater of full enamel passage as claimed in claim 8, it is characterized in that, embedding fluid sealant is poured into a mould by the space that surrounds at the first gripper shoe and four first flange of each first supporting seat, to be formed with between through hole and the position that is connected with the first supporting seat of the second supporting seat at the outer wall of plate pipe and seal, and form air duct between the pore oral area and outside atmosphere of every root plate pipe.
10. the plate air preheater of full enamel passage as claimed in claim 9, it is characterized in that, described air duct is toroidal, and this air duct ecto-entad diameter diminishes gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075485.0U CN204438174U (en) | 2015-02-03 | 2015-02-03 | The plate air preheater of full enamel passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075485.0U CN204438174U (en) | 2015-02-03 | 2015-02-03 | The plate air preheater of full enamel passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204438174U true CN204438174U (en) | 2015-07-01 |
Family
ID=53606034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520075485.0U Withdrawn - After Issue CN204438174U (en) | 2015-02-03 | 2015-02-03 | The plate air preheater of full enamel passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204438174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
-
2015
- 2015-02-03 CN CN201520075485.0U patent/CN204438174U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633694A (en) * | 2015-02-03 | 2015-05-20 | 上海齐耀热能工程有限公司 | Plate air preheater with fully-glass-lined channel |
| CN104633694B (en) * | 2015-02-03 | 2017-06-06 | 上海齐耀热能工程有限公司 | The plate air preheater of full enamel passage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150701 Effective date of abandoning: 20170606 |