CN204460271U - A kind of plate air preheater - Google Patents
A kind of plate air preheater Download PDFInfo
- Publication number
- CN204460271U CN204460271U CN201420865477.1U CN201420865477U CN204460271U CN 204460271 U CN204460271 U CN 204460271U CN 201420865477 U CN201420865477 U CN 201420865477U CN 204460271 U CN204460271 U CN 204460271U
- Authority
- CN
- China
- Prior art keywords
- hot
- distributed area
- bobbin carriage
- cold
- plate
- 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.)
- Active
Links
Classifications
-
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model proposes a kind of plate air preheater, effectively can solve the problem that heat exchange property is poor, service life is short that prior art exists.It comprises: casing, board-like heat-exchanging part and cold flow and hot-fluid gateway bobbin carriage, cold flow and bobbin carriage place, hot-fluid gateway form cold flow respectively and export distributed area, cold inlet distributed area, hot outlets distributed area and hot inlet distributed area, and the fluid distrbution district of cold flow and hot-fluid gateway bobbin carriage is provided with position of splitter; Board-like heat-exchanging part comprises at least one deck, and every layer at least comprises the plate tread assembly be made up of a plate group module, and plate group module is overlapped into octagon with protruding with the corrugated cardboard sheet of groove by multiple, and its two ends are trapezoidal guiding region, and centre is rectangular heat conduction district; Plate tread assembly one end is connected with cold inlet distributed area with hot outlets distributed area, and the other end and cold flow export distributed area and be connected with hot inlet distributed area, and the two ends of plate tread assembly are provided with protection screen.
Description
Technical field
The utility model relates to technical field of heat exchange, particularly a kind of plate air preheater of gas-gas heat exchange.
Background technology
The heat transmission equipment that the performance of air preheater is used with it is closely bound up, and existing heat transmission equipment is mostly heat pipe-type, shell and tube, heat accumulating type and plate-fin, and this type of heat exchanger ubiquity heat transfer efficiency is low, volume large, leak out, operating cost is high determines.Corrugated cardboard sheet heat exchanger progressively substitutes above-mentioned traditional heat exchanger with its superior performance, but existing welded plate type heat exchanger heat transfer element used is mostly rectangle or square, the liquid form of its media of both sides is staggered flowing, for the technique occasion that there is Temperature cross-over, single device cannot meet the demands at all, needs multiple devices series connection or medium repeatedly to roll over journey to realize in plate.Multiple devices series connection floor space is large, and medium rolls over the increase that journey can cause resistance increase and contour size of the unit(s) in plate; The adverse current template of rectangle, side is imported and exported by termination, and opposite side is imported and exported by side, and pressure drop is large, topology layout is limited; Also have a kind of hexagonal adverse current template, for large compared with wide plate pressure drop, skewness.The solution fluid distrbution how existed in above-mentioned technology is uneven, the too high problem of partial drop of pressure in equipment heat exchange property difference and case, there is provided that a kind of heat transfer efficiency is high, the cycle of operation be long, compact conformation and the low plate air preheater of cost, be the focus of research at present.
Utility model content
The utility model is intended to propose that a kind of heat transfer efficiency is high, the cycle of operation long, compact conformation and the low plate air preheater of cost, for solving the problem in background technology.
The technical solution of the utility model is achieved in that
A kind of plate air preheater, comprise: casing, be arranged on board-like heat-exchanging part in casing and cold flow and hot-fluid gateway bobbin carriage, cold flow and bobbin carriage place, hot-fluid gateway form cold flow respectively and export distributed area, cold inlet distributed area, hot outlets distributed area and hot inlet distributed area, and the fluid distrbution district of cold flow and hot-fluid gateway bobbin carriage is provided with position of splitter;
Board-like heat-exchanging part comprises at least one deck, and every layer at least comprises the plate tread assembly be made up of a plate group module; Plate group module is made up of with the corrugated cardboard sheet of groove is superimposed with protruding multiple, the superimposed affixed rear both sides of corrugated cardboard sheet form the contrary cold flow passage of flow direction and heat passage, corrugated cardboard sheet is superimposed affixed rear in octagon, and its two ends are trapezoidal guiding region, and centre is rectangular heat conduction district;
Plate tread assembly one end is connected with cold inlet distributed area with hot outlets distributed area, and the other end and cold flow export distributed area and be connected with hot inlet distributed area, and the two ends of plate tread assembly are provided with protection screen.
Preferably, position of splitter comprises one or both in deflector or flow deflector.
Preferably, one end that plate tread assembly and hot outlets distributed area are connected with cold inlet distributed area is stiff end, and exporting with cold flow one end that distributed area is connected with hot inlet distributed area is movable end, and the plate group module of movable end is connected with expansion joint.
Preferably, the medium circulation passage in the corrugated cardboard sheet in casing one is by the outside top margin of upper trapezoid to the both sides hypotenuse of lower trapezoid, another by the outside top margin of lower trapezoid to the both sides hypotenuse of upper trapezoid, in the type of falling Y-Y flow pattern; In the trapezoidal guiding region of neighbouring plate group module, the heat passage of different medium and cold flow passage are in the type of falling Y-Y flow pattern.
Preferably, cold flow and hot-fluid gateway bobbin carriage comprise hot inlet bobbin carriage, hot outlets bobbin carriage, cold flow export bobbin carriage and cold inlet bobbin carriage, hot inlet bobbin carriage and hot outlets bobbin carriage are positioned at the just right two sides of casing, and cold flow outlet bobbin carriage and cold inlet bobbin carriage are positioned at the same face of casing.
The plate air preheater heat transfer efficiency that the utility model proposes is high, the cycle of operation is long, compact conformation and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of plate air preheater of the utility model;
Fig. 2 is Fig. 1 raising middle flask body medium distributed area deflector distribution map;
Fig. 3 be in Fig. 1 fluid at the flow schematic diagram in distributed area;
Fig. 4 be in Fig. 1 fluid at the flow schematic diagram at heat-exchanging part place;
Fig. 5 is media flow schematic diagram in corrugated cardboard sheet in Fig. 1.
In figure: 1, casing; 2, plate tread assembly; 3, expansion joint; 4, plate group module; 5, hot outlets distributed area; 6, cold inlet distributed area; 7, cold flow outlet distributed area; 8, hot inlet distributed area; A, cold medium; The cold medium of high temperature after A ', heat exchange; B, thermal medium; Low-temperature heat medium after B ', heat exchange; 0-1, hot inlet bobbin carriage; 0-2, hot outlets bobbin carriage; 0-3, cold inlet bobbin carriage; 0-4, cold flow outlet bobbin carriage.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1: a kind of plate air preheater, comprise: casing 1, be arranged on board-like heat-exchanging part in casing 1 and cold flow and hot-fluid gateway bobbin carriage, cold flow and bobbin carriage place, hot-fluid gateway form cold flow respectively and export distributed area 7, cold inlet distributed area 6, hot outlets distributed area 5 and hot inlet distributed area 8, and the fluid distrbution district of cold flow and hot-fluid gateway bobbin carriage is provided with position of splitter (not shown);
Board-like heat-exchanging part comprises at least one deck, every layer at least comprises the plate tread assembly 2 be made up of a plate group module 4, plate group module 4 is made up of with the corrugated cardboard sheet of groove is superimposed with protruding multiple, the superimposed affixed rear both sides of corrugated cardboard sheet form the contrary cold flow passage of flow direction and heat passage, corrugated cardboard sheet is superimposed affixed rear in octagon, its two ends are trapezoidal guiding region, and centre is rectangular heat conduction district;
Plate tread assembly 2 one end is connected with cold inlet distributed area 6 with hot outlets distributed area 5, and the other end and cold flow export distributed area 7 and be connected with hot inlet distributed area 8, and the two ends of plate tread assembly 2 are provided with protection screen (not shown).
As shown in Figure 5: corrugated plate monnolithic case is octagon (or nearly octagon), its upper and lower two ends is trapezoidal guiding region, mid portion is rectangular heat conduction district, its two ends are respectively the access way of different medium, media of both sides flow direction is contrary, this kind of mode makes even fluid distribution, and entirety is without dead band and importing end resistance is less, and heat exchange efficiency is high; Adopt corrugated plate, ripple has the effect supported with guiding while strengthening heat transfer, forms the heat passage without the need to other support members and cold flow passage, compact conformation after making plate superimposed in plate both sides; Corrugated plate is provided with multiple projection and groove, the heat of replacement fluids can be absorbed more, improve heat transfer efficiency; Above-mentioned corrugated cardboard sheet is preferably smooth corrugated cardboard sheet, blows ash convenient, thoroughly solves equipment dust stratification problem; The two ends of plate tread assembly 2 are provided with protection screen, effectively can to avoid when gas contains graininess dust higher due to inlet velocity and run under the operating mode of continuous high temperature, make the rapid and permanent wearing and tearing of pair of panel tread assembly 2 end, thus cause frequent stopping production so that maintenance or replacing plate tread assembly 2, and therefore cause cost extra in a large number.
Above-mentioned affixed preferred weld, between corrugated cardboard sheet, between plate group module and cold flow and a hot-fluid point journey place all adopts this hermetically-sealed construction, avoids two media to reveal, solves the Air Leakage of plate air preheater, equipment can long-term operation, reduces running cost.
Compared with prior art, the octagon plate group module 4 that the utility model is used, its corrugated plate used is smooth with the protruding corrugated plate with groove, and heat exchange efficiency is high; By being provided with protection screen at the two ends of plate tread assembly 2, extend the service life of heat exchanging piece; The fluid distrbution district imported and exported at cold and hot medium is provided with position of splitter, optimizes the fluid distrbution of heat transmission equipment especially wide cut bobbin carriage, medium can be evenly distributed (as shown in Figure 2) before entering plate tread assembly 2.The plate air preheater heat transfer efficiency that the utility model proposes is high, the cycle of operation is long, compact conformation and cost is low.
As the preferred technical scheme of one, an embodiment more of the present utility model, position of splitter comprise in deflector or flow deflector one or both.
As the preferred technical scheme of one, an embodiment more of the present utility model, one end that plate tread assembly 2 and hot outlets distributed area 5 are connected with cold inlet distributed area 6 is stiff end, exporting with cold flow one end that distributed area 7 is connected with hot inlet distributed area 8 is movable end, and the plate group module 4 of movable end is connected with expansion joint 3.
Every laminate group module 4 in plate tread assembly 2 hot junction of plate air preheater is all connected with expansion joint 3, thus efficiently solves the problem of plate tread assembly 2 expanded by heating.Certainly, when media for heat exchange temperature is lower, without the need to using expansion joint 3 when a small amount of expansion is little on equipment impact.Expansion joint 3 also can be replaced by elastomeric element.
As the preferred technical scheme of one, an embodiment more of the present utility model, medium circulation passage in corrugated cardboard sheet in casing 1 one is to the both sides hypotenuse of lower trapezoid by the outside top margin of upper trapezoid, another by the outside top margin of lower trapezoid to the both sides hypotenuse of upper trapezoid, in the type of falling Y-Y flow pattern; In the trapezoidal guiding region of neighbouring plate group module 4, the heat passage of different medium and cold flow passage are in the type of falling Y-Y flow pattern.
As the preferred technical scheme of one, an embodiment more of the present utility model, cold flow and hot-fluid gateway bobbin carriage comprise hot inlet bobbin carriage 0-1, hot outlets bobbin carriage 0-2, cold flow exports bobbin carriage 0-3 and cold inlet bobbin carriage 0-4, hot inlet bobbin carriage 0-1 and hot outlets bobbin carriage 0-2 is positioned at the just right two sides of casing 1, and cold flow outlet bobbin carriage 0-3 and cold inlet bobbin carriage 0-4 is positioned at the same face of casing 1.
As Fig. 3 and Fig. 4 is respectively cold and hot fluid at the flow schematic diagram flowing distributed area and heat-exchanging part place.Thermal medium, by hot inlet bobbin carriage 0-1 access arrangement hot-side inlet distributed area, enters in heat transfer module, after cryogenic media heat exchange, enters cold junction bobbin carriage distributed area after distribution, flows out equipment from hot outlets bobbin carriage 0-2; Cold medium enters cold-side inlet distributed area from cold inlet bobbin carriage 0-4, enters in heat exchange module, after high-temperature gas heat exchange, enter casing distributed area, hot junction after distribution, and self cooling flow export bobbin carriage 0-3 flows out equipment; Cold and hot medium is pure countercurrent flow at device interior.For meeting seal request, all adopting between plate group module 4 and between plate group module 4 and casing 1 and being welded to connect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a plate air preheater, it is characterized in that, comprise: casing (1), be arranged on board-like heat-exchanging part in described casing (1) and cold flow and hot-fluid gateway bobbin carriage, described cold flow and bobbin carriage place, hot-fluid gateway form cold flow respectively and export distributed area (7), cold inlet distributed area (6), hot outlets distributed area (5) and hot inlet distributed area (8), and the fluid distrbution district of described cold flow and hot-fluid gateway bobbin carriage is provided with position of splitter;
Described board-like heat-exchanging part comprises at least one deck, every layer at least comprises the plate tread assembly (2) be made up of a plate group module (4), described plate group module (4) is made up of with the corrugated cardboard sheet of groove is superimposed with protruding multiple, the superimposed affixed rear both sides of described corrugated cardboard sheet form the contrary cold flow passage of flow direction and heat passage, described corrugated cardboard sheet is superimposed affixed rear in octagon, its two ends are trapezoidal guiding region, and centre is rectangular heat conduction district;
Described plate tread assembly (2) one end is connected with cold inlet distributed area (6) with hot outlets distributed area (5), the other end and cold flow export distributed area (7) and are connected with hot inlet distributed area (8), and the two ends of described plate tread assembly (2) are provided with protection screen.
2. plate air preheater according to claim 1, is characterized in that: described position of splitter comprise in deflector or flow deflector one or both.
3. plate air preheater according to claim 1, it is characterized in that: one end that described plate tread assembly (2) is connected with cold inlet distributed area (6) with hot outlets distributed area (5) is stiff end, exporting with cold flow one end that distributed area (7) is connected with hot inlet distributed area (8) is movable end, and the plate group module (4) of described movable end is connected with expansion joint (3).
4. the plate air preheater according to any one of claim 1-3, it is characterized in that: the medium circulation passage in the corrugated cardboard sheet in described casing (1) is to the both sides hypotenuse of lower trapezoid by the outside top margin of upper trapezoid, another by the outside top margin of lower trapezoid to the both sides hypotenuse of upper trapezoid, in the type of falling Y-Y flow pattern; In the trapezoidal guiding region of neighbouring described plate group module (4), the heat passage of different medium and cold flow passage are in the type of falling Y-Y flow pattern.
5. plate air preheater according to claim 4, it is characterized in that: described cold flow and hot-fluid gateway bobbin carriage comprise hot inlet bobbin carriage (0-1), hot outlets bobbin carriage (0-2), cold flow export bobbin carriage (0-3) and cold inlet bobbin carriage (0-4), described hot inlet bobbin carriage (0-1) and described hot outlets bobbin carriage (0-2) are positioned at the just right two sides of described casing (1), and described cold flow outlet bobbin carriage (0-3) and described cold inlet bobbin carriage (0-4) are positioned at the same face of described casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865477.1U CN204460271U (en) | 2014-12-31 | 2014-12-31 | A kind of plate air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865477.1U CN204460271U (en) | 2014-12-31 | 2014-12-31 | A kind of plate air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204460271U true CN204460271U (en) | 2015-07-08 |
Family
ID=53667148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865477.1U Active CN204460271U (en) | 2014-12-31 | 2014-12-31 | A kind of plate air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204460271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806106A (en) * | 2014-12-31 | 2016-07-27 | 天津华赛尔传热设备有限公司 | Regeneration air preheater |
-
2014
- 2014-12-31 CN CN201420865477.1U patent/CN204460271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806106A (en) * | 2014-12-31 | 2016-07-27 | 天津华赛尔传热设备有限公司 | Regeneration air preheater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205980876U (en) | But multiple processes detaching board formula heat exchanger and special heat transfer board thereof | |
| CN100587383C (en) | Heat-storing heat exchanger | |
| CN202547468U (en) | Turbulent flow type heat exchange plate bundle | |
| CN101672587B (en) | Gas-phase plate type heat exchanger | |
| CN100501241C (en) | Plate type air preheater | |
| CN104677147A (en) | All-welded plate type heat exchanger for multi-stream gas-to-gas heat exchange | |
| CN204460271U (en) | A kind of plate air preheater | |
| CN101696862B (en) | Full welded plate bundle with reinforced structures | |
| CN203586890U (en) | Plate type air-air heat exchanger | |
| CN103307911A (en) | Rectangular fully welded U-shaped tube type heating network heater | |
| CN102052874A (en) | Plate type heat exchanger with high bearing pressure | |
| CN107966057A (en) | A kind of plate heat exchanger and its application method | |
| CN201955011U (en) | Plate-type heat exchanger with higher bearing pressure | |
| WO2015055122A1 (en) | Plated pipe-type heat exchanger | |
| CN104677152B (en) | Plate type air-air heat exchanger | |
| CN207351261U (en) | A kind of arch shape traverse baffle shell type heat exchanger with sealing strip | |
| CN203572284U (en) | Plate type gas-gas heat exchanger | |
| CN105806106A (en) | Regeneration air preheater | |
| CN202066403U (en) | Plate sheet for plate-shell heat exchanger | |
| CN203421995U (en) | Rectangular all-welded U-shaped pipe type hot net heater | |
| CN103791741B (en) | A kind of phase transformation plate type heat exchanger | |
| CN202614070U (en) | Air suction opening device for plate-fin type heat exchanger in main heat exchanger | |
| CN203274571U (en) | Humidifying horizontal plate type air cooler | |
| CN202532964U (en) | Plate bundle unit of heat exchanger | |
| CN202221257U (en) | Multi-system integral cooling module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |