CN205690944U - A kind of corrugated plate dst air preheater - Google Patents
A kind of corrugated plate dst air preheater Download PDFInfo
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- CN205690944U CN205690944U CN201620267386.7U CN201620267386U CN205690944U CN 205690944 U CN205690944 U CN 205690944U CN 201620267386 U CN201620267386 U CN 201620267386U CN 205690944 U CN205690944 U CN 205690944U
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- heat exchanger
- exchanger plates
- air preheater
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- corrugated plate
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Abstract
A kind of corrugated plate dst air preheater, including framework and the core body being fixed in described framework, described framework is made up of clamping structure, pull bar, column and shrouding, and described clamping structure is made up of crossbeam, buttress brace and clamping plate；The clamping structure that upper and lower bottom surface is respectively provided with and column and pull bar composition framework, core body is fastened in framework by the clamping plate of clamping structure and the shrouding of column；Described core body is by having a two-sided bubble structure and opposite side is respectively the heat exchanger plates of upper and lower flanging and is staggeredly stacked and forms, and upper hem that adjacent two-layer heat exchanger plates welds with both sides and lower hem form the runner of both ends open；Adjacent two-layer runner circulating direction is interlaced, and respectively as flue and air channel, flue and the air channel of whole core body are alternately laminated.This air preheater can effectively solve that existing plate air preheater manufacturing process is complicated, be weak to low-temperature dew point corrosion, the pressure loss is big and is difficult to the difficult problems such as maximization.
Description
Technical field
This utility model relates to technical field of heat exchange equipment, is specifically related to a kind of non-solder Flat-plate-type air preheater, can
Reclaim for all types of industries stove and waste heat of flue gas of heating furnace.
Background technology
Air preheater is a kind of high-temperature flue gas producing all types of industries stove and heating furnace etc. and the cold sky used by burning
Gas carries out the equipment of heat exchange, and on the one hand it improve the temperature of combustion air, reduces energy resource consumption；On the other hand high temperature cigarette is made
Air cooling, has reclaimed the waste heat in flue gas, has reduced exhaust gas temperature, improves the thermal efficiency of industrial furnace and heating furnace.Existing
Air preheater can be divided into the big class of shell and tube, heat pipe-type, swinging, cast iron type and board-like five, and plate air preheater can divide again
For corrugated plate dst and flat two classes.At present, shell and tube air preheater heat transfer efficiency is low, quality is big, volume is big, cost is high
Expensive；Heat pipe preheater uses by temperature limiting, poor reliability, and maintenance cost is high, and the time between overhauls(TBO) is long；Swinging air is pre-
Hot device power consumption is big, and floor space is big, and air leakage coefficient is big；Cast iron type air preheater weight is big, and floor space is big, heat exchange efficiency
Low.And plate type heat exchanger has that heat transfer coefficient is high, the pressure loss is little, compact conformation, the plurality of advantages such as easy to maintenance, it is increasingly subject to
The attention of people.
General plate air preheater still suffers from many technical problems, such as the requirement to the accuracy of manufacture of the plate stacked structure
Height, complex process, the production cycle is relatively long；It is weak to low-temperature dew point corrosion, the perforation of plate heating surface may be caused to jeopardize and set
Standby safety；Excessive by the pressure loss of air-flow；It is difficult to meet the large-scale preheater modular manufacturing demand of big heat exchange area
Deng.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, it is provided that a kind of novel corrugated plate dst air
Preheater, can effectively solve that existing plate air preheater manufacturing process is complicated, be weak to low-temperature dew point corrosion, the pressure loss big and
It is difficult to the difficult problem maximized.
The technical solution of the utility model is:
A kind of corrugated plate dst air preheater, including framework and the core body being fixed in described framework, described framework is by pressing from both sides
Locking structure, pull bar and column composition, described core body is stacked by Multi-layer exchanging heat sheetpile, wherein: described clamping structure by crossbeam, add
Brutal and clamping plate composition；The upper and lower bottom surface of described framework is respectively provided with clamping structure, and described column and pull bar are positioned at frame facet,
Column is fixedly supported between two clamping structures, and pull bar connects two clamping structures；Described heat exchanger plates is the ripple of tetragon
Plate, one group of opposite side of every layer of heat exchanger plates is upper hem, and another group opposite side is lower hem；A pair lower hem of upper strata heat exchanger plates divides
Do not engage with a pair upper hem of adjacent lower floor's heat exchanger plates, between adjacent two-layer heat exchanger plates, form the runner of both ends open；Phase
Adjacent two-layer runner circulating direction is interlaced, and respectively flue and air channel, described flue and air channel in core body are alternately laminated；
Described column side is provided with shrouding, and core body is fastened in framework by the clamping plate of two clamping structures and the shrouding of column.
Preferably, described shrouding includes vertical shrouding and side seal board；Described side seal board side has the tooth for engaging core body
Shape draw-in groove, side seal board blocks core body from side, and described vertical shrouding vertically props up side seal board.
Preferably, described heat exchanger plates is rectangle, and described flue and air channel are mutually perpendicular to interlock.
Preferably, described crossbeam, buttress brace and column are respectively rectangular hollow section or channel-section steel.
Preferably, the spacing of described heat exchanger plates adjacent plate is 10-40mm.
Preferably, the heat exchanger plates surface of described flue inner wall is enamel face.
Preferably, described pull bar is stud, and attaching nut connects the clamping structure straining upper and lower bottom surface.
Preferably, the bubbling on described heat exchanger plates includes bubbling and lower bubbling.
Further preferably, described upper bubbling and the interlaced distribution on heat exchanger plates of lower bubbling；Core body heat exchanger plates at the middle and upper levels
The upper bubbling position one_to_one corresponding of lower bubbling and adjacent lower floor's heat exchanger plates and the support that contacts with each other.
Further preferred as another, described bubbling is circular, ellipse or polygon.
Technical solutions of the utility model have the advantage that
1. this preheater have employed pull bar and fixes, the structure of above and below clamping, compares existing without its manufacture of Tiebar structure
It is substantially reduced with assembling difficulty；
2. the heat exchanger plates of this preheater uses two-sided bubbling and the structure becoming conduplication side, makes sheet structure compacter, changes
Hot plate spacing minimum can reach 10mm, and under unit volume, heat exchange area increases；
3. the heat exchanger plates with two-sided bubble structure is more likely formed flow-disturbing relative to existing plank frame, and pressure drop increases
Amplitude is less, and heat-transfer effect is higher；
4. flue wall processes through enamel, strengthens dew point corrosion patience, and the most smooth flue enamel wall makes flow resistance
Low, it is difficult to dust stratification, and is prone to ash disposal；
5. full square steel structure is more easy to realize modular combination relative to existing channel-section steel, square tube and angle steel combinative structure, and
Intensity is higher, and compact conformation is reasonable, and stackable combination constitutes large-scale preheater, it is achieved maximize and modular manufacturing.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of this utility model air preheater；
Fig. 2 is the structural blast figure of Fig. 1 air preheater；
Fig. 3 is the structural representation of this utility model air preheater core body；
Fig. 4 is the working state schematic representation of this utility model air preheater；
Fig. 5 is the structural representation of the air preheater of this utility model modular combination.
Wherein:
1: crossbeam；2: buttress brace；3: clamping plate；4: pull bar；5: column；51: vertical shrouding；52: side seal board；6: core body；61: change
Hot plate；62: upper hem；63: lower hem；64: upper bubbling；65: lower bubbling；7: heater unit module；8: pull bar.
Detailed description of the invention
This utility model is described further by embodiment below in conjunction with accompanying drawing, in order to be more fully understood that this practicality is new
Type.
As depicted in figs. 1 and 2, a kind of corrugated plate dst air preheater of the present utility model, mainly by framework and framework
The core body being fixed in framework is constituted；Framework includes crossbeam 1, buttress brace 2, clamping plate 3, pull bar 4 and column 5, wherein, framework
Upper and lower bottom surface is respectively provided with clamping structure, and clamping structure is welded by crossbeam 1, buttress brace 2 and clamping plate 3 and constitutes, and crossbeam 1 is housing,
The buttress brace 2 that housing interior welds is intersected is with ruggedized construction, housing bottom surface welding clamping plate 3；Described pull bar 8 is stud, coordinates spiral shell
Female clamping structure connecting upper and lower bottom surface, it is solid that two clamping structures use pull bar 8 to weld with four root posts 5 after positioning with core body 6 again
Fixed, constitute the framework of air preheater.There is a shrouding column 5 side, and core body 6 and framework are connected by shrouding and seal, and constitute
Integral device；Described shrouding includes being respectively provided with on the adjacent dual-side of column 5 vertical shrouding 51 and side seal board 52, vertical shrouding 51 and side
Shrouding 52 is laths of metal, and side seal board 52 side has dentation draw-in groove, and side seal board 52, from side snap fit clip core body 6, founds shrouding
51 vertically prop up side seal board 52 assists；Crossbeam 1, buttress brace 2 and column 5 be square or rectangle cold-bend hollow profiled bar or
Hot-rolled steel channel, opens bolt hole at one side and can form flange face, docks for flue or air channel.
As it is shown on figure 3, core body 6 is welded by integrated stack of heat exchanger plates, the spacing of heat exchanger plates can be 10-
40mm, the heat exchanger plates 61 in the present embodiment is the corrugated cardboard sheet of square contour, two groups of opposite side of each heat exchanger plates 61 upper folding respectively
With lower folding, form paired upper hem 62 and lower hem 63, a pair lower hem 63 of upper strata heat exchanger plates respectively with adjacent lower floor
A pair upper hem 62 of heat exchanger plates seals welding, and the flanging of the opposite sides of solder joints constitutes stream with adjacent two-layer heat exchanger plates
Road, described runner is the square cavity of both ends open, and adjacent two-layer runner circulating direction is interlaced, and wherein one layer is for cigarette
The flue that air-flow is logical, another layer is the air channel for air circulation, flue and air channel vertical interlaced, flue and air channel in the present embodiment
It is alternately stacked the agent structure defining core body 6；As shown in Figure 4, flue gas and air are mutually perpendicular to staggered passing through in preheater,
Interleaved processes realizes heat exchange；As other embodiment, heat exchanger plates may be used without other tetragon, as long as adjacent changes
Hot plate flanging position correspondence, the flue now formed and air channel stagger angle can non-90 degree.
Having two-sided bubbling on heat exchanger plates 61 shown in Fig. 3, including upper bubbling 64 and lower bubbling 65, bubbling form can be free
Select, can be circular, ellipse, polygon or other shape；In the present embodiment, upper bubbling 64 and lower bubbling 65 are interlaced
It is evenly distributed on heat exchanger plates 61；During stack of heat exchanger plates composition core body 6, the lower bubbling 65 of upper strata heat exchanger plates and lower floor's heat exchanger plates
Upper bubbling 64 position one_to_one corresponding the support of the formation adjacent two layers heat exchanger plates that contacts with each other, when air or flue gas flow through drum at a high speed
Disturbance can be produced during bubble and form turbulent flow, it is to avoid air-flow forms stable laminar flow on heat exchanger plates surface, improves heat-transfer film system
Number, has more preferable heat-transfer effect；Heat exchanger plates surface corresponding to walling of flue face forms enamel face through enamel process, because of enamel manufacture
Advantage of lower cost, resistance to dew point corrosion ability is strong, and the most smooth flue surface of enamelled surface current resistance is relatively low, is difficult to dust stratification, and is prone to
Ash disposal.
As a kind of embodiment, as it is shown in figure 5, corrugated plate dst air preheater of the present utility model can carry out modularity
Design, is fabricated to heater unit module 7 by single corrugated plate dst air preheater, and multiple heater unit module 7 is according to need
Want combination in any to become large-scale preheater, while increasing heat exchange area, reduce production cycle and cost, it is achieved that plate
The maximization of regenerative air heater and modularity.
Should be understood that above-described embodiment, only for technology of the present utility model design and feature are described, its object is to for ability
Field technique personnel understand content of the present utility model and implement according to this, and not detailed description of the invention is exhaustive, can not limit with this
Make protection domain of the present utility model.All modify according to the technical solution of the utility model or equivalent, and do not take off
From objective and the scope of technical solutions of the utility model, it all should be contained in the middle of right of the present utility model.
Claims (10)
1. a corrugated plate dst air preheater, including framework and the core body (6) being fixed in described framework, it is characterised in that:
Described framework is made up of clamping structure, pull bar (4) and column (5), and described core body (6) is made up of Multi-layer exchanging heat plate (61) stacking,
Wherein:
Described clamping structure is made up of crossbeam (1), buttress brace (2) and clamping plate (3)；The upper and lower bottom surface of described framework is respectively provided with folder
Locking structure, described column (5) and pull bar (8) are positioned at frame facet, and column (5) is fixedly supported between two clamping structures, draws
Bar (8) connects two clamping structures；
Described heat exchanger plates (61) is the corrugated cardboard sheet of tetragon, and one group of opposite side of every layer of heat exchanger plates (61) is upper hem (62), separately
One group of opposite side is lower hem (63)；A pair lower hem (63) of upper strata heat exchanger plates (61) respectively with adjacent lower floor's heat exchanger plates (61)
A pair upper hem (62) engage, form the runner of both ends open between adjacent two-layer heat exchanger plates (61)；Adjacent two-layer runner
Circulating direction is interlaced, respectively flue and air channel, and described flue and air channel in core body (6) are alternately laminated；
Described column (5) side is provided with shrouding, and core body (6) is tight by the clamping plate (3) of two clamping structures and the shrouding of column (5)
Gu in framework.
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: described shrouding includes vertical shrouding (51)
With side seal board (52)；Described side seal board (52) side has the dentation draw-in groove for engaging core body (6), and side seal board (52) is from side
Blocking core body (6), described vertical shrouding (51) vertically props up side seal board (52).
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: described heat exchanger plates (61) is rectangle,
Described flue and air channel are mutually perpendicular to interlock.
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: described crossbeam (1), buttress brace (2)
It is respectively rectangular hollow section or channel-section steel with column (5).
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: described heat exchanger plates (61) adjacent plate
Spacing be 10-40mm.
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: the heat exchanger plates of described flue inner wall
(61) surface is enamel face.
Corrugated plate dst air preheater the most according to claim 1, it is characterised in that: described pull bar (8) is stud.
8. according to the corrugated plate dst air preheater described in any one of claim 1 to 7, it is characterised in that: described heat exchanger plates
(61) bubbling on includes bubbling (64) and lower bubbling (65).
Corrugated plate dst air preheater the most according to claim 8, it is characterised in that: described upper bubbling (64) and lower bubbling
(65) in the upper interlaced distribution of heat exchanger plates (61)；The lower bubbling (65) of core body (6) heat exchanger plates at the middle and upper levels changes with adjacent lower floor
Upper bubbling (64) the position one_to_one corresponding of hot plate the support that contacts with each other.
Corrugated plate dst air preheater the most according to claim 8, it is characterised in that: described bubbling is circular, ellipse
Shape or polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267386.7U CN205690944U (en) | 2016-03-31 | 2016-03-31 | A kind of corrugated plate dst air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267386.7U CN205690944U (en) | 2016-03-31 | 2016-03-31 | A kind of corrugated plate dst air preheater |
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| Publication Number | Publication Date |
|---|---|
| CN205690944U true CN205690944U (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620267386.7U Active CN205690944U (en) | 2016-03-31 | 2016-03-31 | A kind of corrugated plate dst air preheater |
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| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610246A (en) * | 2017-01-17 | 2017-05-03 | 苏州三川换热器有限公司 | Core structure of plate heat exchanger |
| CN106855370A (en) * | 2017-01-17 | 2017-06-16 | 苏州三川换热器有限公司 | A kind of plate type heat exchanger unit and attachment structure |
| CN107014231A (en) * | 2017-06-06 | 2017-08-04 | 赵立新 | A kind of plate-type heat recovery device |
| CN107514649A (en) * | 2017-07-27 | 2017-12-26 | 同济大学 | Board-like Wind Volume air preheater |
| CN114857958A (en) * | 2022-05-31 | 2022-08-05 | 无锡锡州机械有限公司 | Combined type miniaturized heat exchanger for heating hot water |
-
2016
- 2016-03-31 CN CN201620267386.7U patent/CN205690944U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610246A (en) * | 2017-01-17 | 2017-05-03 | 苏州三川换热器有限公司 | Core structure of plate heat exchanger |
| CN106855370A (en) * | 2017-01-17 | 2017-06-16 | 苏州三川换热器有限公司 | A kind of plate type heat exchanger unit and attachment structure |
| CN107014231A (en) * | 2017-06-06 | 2017-08-04 | 赵立新 | A kind of plate-type heat recovery device |
| CN107514649A (en) * | 2017-07-27 | 2017-12-26 | 同济大学 | Board-like Wind Volume air preheater |
| CN114857958A (en) * | 2022-05-31 | 2022-08-05 | 无锡锡州机械有限公司 | Combined type miniaturized heat exchanger for heating hot water |
| CN114857958B (en) * | 2022-05-31 | 2024-04-12 | 无锡锡州机械有限公司 | Combined miniaturized heat exchanger for heating water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Hao Inventor after: Yan Guanghao Inventor after: Luo Yang Inventor after: Ma Lei Inventor before: Fan Hao Inventor before: Yan Guanghao Inventor before: Luo Yang Inventor before: Ma Lei Inventor before: Qi Shuangcheng |
|
| COR | Change of bibliographic data |