CN104677153A - Plate type air-air heat exchanger - Google Patents
Plate type air-air heat exchanger Download PDFInfo
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- CN104677153A CN104677153A CN201310629093.XA CN201310629093A CN104677153A CN 104677153 A CN104677153 A CN 104677153A CN 201310629093 A CN201310629093 A CN 201310629093A CN 104677153 A CN104677153 A CN 104677153A
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- heat exchanger
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Abstract
The invention relates to a heat exchanger, and in particular relates to a plate type air-air heat exchanger. The structure of the plate type air-air heat exchanger is that each layer of plate bundle component at a plate bundle component hot end of the plate type air-air heat exchanger is connected with an expansion joint, so that the problem that the plate bundle component is expanded when being heated is effectively solved. A heat-transfer element of the air-air heat exchanger is a heat-transfer plate used by an octagonal welding plate type heat exchanger, and the surface of the plate is smooth and does not have a flowing dead area, so that dust is convenient to blow and the problem that the dust is accumulated in equipment is thoroughly solved. The plate bundle component of the air-air plate type heat exchanger is horizontally arranged, and the air-air plate type heat exchanger is low in production difficulty, adopts modular arrangement, achieves large-scale equipment, and is applicable to the large device production scale. A fluid distribution region connected with two kinds of medium inlet and outlet pipe boxes is adopted, and a medium pipe box flow guide plate and a flow distributing part of a medium distributing box flow guide plate are arranged in a medium pipe box and a medium distributing box, so that the problem of non-uniform fluid distribution of wide-width pipe boxes of large-scale heat exchange equipment is successfully solved.
Description
Technical field
The present invention relates to heat exchanger, particularly relate to a kind of board-like gas-gas heat exchanger, be adapted to the petrochemical industry class device high temperature such as boiler, heating furnace, waste gas catalytic incineration stove and low-temperature gaseous phase medium carries out heat exchange, realize the recycling of heat.
Background technology
In prior art, gas-gas heat exchanger is mostly heat pipe-type, shell and tube, heat accumulating type and plate-fin, and ubiquity heat transfer efficiency is low, leak out, volume is large, easily dust stratification and long-term operation high in cost of production shortcoming.
At present, become the main flow of heat transmission equipment development as the heat transmission equipment of heat transfer element using octagon welded plate type heat exchanger heat transferring plate, increasing pipe type heat transfer equipment maybe will be substituted by plate-type heat-exchange equipment.A kind of welded plate type heat exchanger heat transferring plate that the applicant is applying for before, it comprises guiding region and heat transfer zone, the upper and lower two ends of described plate are trapezoidal shape guiding region, mid portion is rectangular-shaped heat transfer zone, described plate monnolithic case is octagon or approximate octagon, described plate two ends are respectively the access way of different medium, media of both sides flow direction is contrary, in described plate, the circulation passage of medium is that an outside top margin by upper trapezoid is 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, owing to being provided with in octagon or approximate octagonal welded plate type heat exchanger heat transferring plate, the upper and lower two ends of its plate are trapezoidal shape guiding region, mid portion is rectangular-shaped heat transfer zone, 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, entirety is without dead band and importing end resistance is less.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, there is provided a kind of and adopt pure countercurrent flow, heat transfer efficiency is high, volume is little, lightweight, long-term operation is reliable, cost is low, not easily dust stratification and effectively solve the board-like gas-gas heat exchanger of thermal expansion problem
The present invention is achieved by the following technical programs:
A kind of board-like gas-gas heat exchanger, comprise casing, the plate tread assembly being located at the horizontal set of box house and the gateway bobbin carriage of two media be connected with plate tread assembly, in the gateway bobbin carriage of described two media, a kind of medium gateway bobbin carriage is positioned at the casing left and right sides, the gateway bobbin carriage of another kind of medium is positioned at the one or both ends, front and back of casing, described plate tread assembly at least one deck, every layer is made up of at least one heat transfer module, described heat transfer module is made up of the symmetrical superimposed affixed or splicing of octagon welded plate type heat exchanger heat transferring plate, described octagon welded plate type heat exchanger heat transferring plate comprises guiding region and heat transfer zone, the upper and lower two ends of described plate are trapezoidal shape guiding region, mid portion is rectangular-shaped heat transfer zone, described plate monnolithic case is octagon or approximate octagon, described plate two ends are respectively the access way of different medium, media of both sides flow direction is contrary, in described plate, the circulation passage of medium is that an outside top margin by upper trapezoid is 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, the outside top margin connecting media bobbin carriage of the upper trapezoid of described plate tread assembly side, the both sides hypotenuse connecting media bobbin carriage of the lower trapezoid of described plate tread assembly opposite side, cavity between described medium bobbin carriage and two ends casing is dielectric distribution case, described medium bobbin carriage one end is stiff end, the other end is sliding end, rectangular expansion joint is provided with between described sliding end medium bobbin carriage and plate tread assembly, the gateway bobbin carriage of a kind of medium of the one or both ends, front and back of described medium bobbin carriage two ends connect box, the gateway bobbin carriage of a kind of medium of the connect box left and right sides, described dielectric distribution case two ends, multilayer L shape medium bobbin carriage deflector is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in medium bobbin carriage, radial dielectric distribution case deflector is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in dielectric distribution case.
The gateway bobbin carriage of described two media is folded direction radiation along plate tread assembly group and is provided with dispersion plate, and the leading portion of described dispersion plate is provided with adjustment turnover panel.
The invention has the beneficial effects as follows:
1, every laminate tread assembly in the plate tread assembly hot junction of gas-gas heat exchanger is all connected with expansion joint, thus efficiently solves the problem of plate tread assembly expanded by heating.
2, the heat transfer element of gas-gas heat exchanger adopts octagon welded plate type heat exchanger heat transferring plate, and sheet surface is smooth and without flow dead, so it is convenient to blow ash, thoroughly solve equipment dust stratification problem.
3, gas gas plate-type heat exchanger plate bundle component level is placed, and production difficulty is little, adopts modular arrangement, can realize equipment enlarging, adapts to large-scale plant production scale.
4, two media imports and exports the fluid distrbution district that bobbin carriage connects, and is provided with the shunting part of medium bobbin carriage deflector and dielectric distribution case deflector in medium bobbin carriage and dielectric distribution case, successfully solves the uneven problem of fluid distrbution of large-scale heat transmission equipment wide cut bobbin carriage.
Accompanying drawing explanation
Fig. 1 is exemplary construction schematic front view of the present invention.
Fig. 2 is exemplary construction diagrammatic top view of the present invention and outer journey deflector schematic diagram.
Fig. 3 is journey deflector schematic diagram in the present invention.
Fig. 4 is that in the present invention, Cheng Jiezhi flows to schematic diagram.
Fig. 5 is that the outer Cheng Jiezhi of the present invention flows to schematic diagram.
Fig. 6 is bobbin carriage of the present invention adjustment turnover panel schematic diagram.
Fig. 7 is plate model schematic of the present invention.
In figure: 1. casing, 2. medium bobbin carriage, 3. dielectric distribution case, 4. plate tread assembly, 5. rectangular expansion joint, 6. regulates turnover panel, 7. dielectric distribution case deflector, 8. medium inlet, one end, the front and back bobbin carriage of casing, 9. one end, front and back media outlet bobbin carriage of casing, 10. medium inlet, casing left and right sides bobbin carriage, 11. casing left and right sides media outlet bobbin carriages, 12. medium bobbin carriage deflectors, 13. dispersion plates, 14. regulate turnover panel.
Detailed description of the invention
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail.
As shown in the figure, two media is cold flow and hot-fluid, the present invention includes casing 1, the plate tread assembly 4 being located at the horizontal set of box house and the gateway bobbin carriage of two media be connected with plate tread assembly, in the gateway bobbin carriage of described two media, a kind of medium gateway bobbin carriage is positioned at the casing left and right sides, medium inlet, casing left and right sides bobbin carriage 10, casing left and right sides media outlet bobbin carriage 11, the gateway bobbin carriage of another kind of medium is positioned at the one or both ends, front and back of casing, the one end before and after casing is set in this example, medium inlet, one end, the front and back bobbin carriage 8 of casing, one end, front and back media outlet bobbin carriage 9 of casing, described plate tread assembly at least one deck, every layer is made up of at least one heat transfer module, be upper in this example, in, lower three ply board tread assembly group stacks, described heat transfer module is made up of the symmetrical superimposed affixed or splicing of octagon welded plate type heat exchanger heat transferring plate, described octagon welded plate type heat exchanger heat transferring plate comprises guiding region and heat transfer zone, the upper and lower two ends of described plate are trapezoidal shape guiding region, mid portion is rectangular-shaped heat transfer zone, described plate monnolithic case is octagon or approximate octagon, described plate two ends are respectively the access way of different medium, media of both sides flow direction is contrary, in described plate, the circulation passage of medium is that an outside top margin by upper trapezoid is 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, the outside top margin connecting media bobbin carriage 2 of the upper trapezoid of described plate tread assembly side, the both sides hypotenuse connecting media bobbin carriage 2 of the lower trapezoid of described plate tread assembly opposite side, cavity between described medium bobbin carriage and two ends casing is dielectric distribution case 3, described medium bobbin carriage one end is stiff end, the other end is sliding end, rectangular expansion joint 5 is provided with between described sliding end medium bobbin carriage and plate tread assembly, the gateway bobbin carriage of a kind of medium of the one or both ends, front and back of described medium bobbin carriage two ends connect box, the gateway bobbin carriage of a kind of medium of the connect box left and right sides, described dielectric distribution case two ends, multilayer L shape medium bobbin carriage deflector 12 is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in medium bobbin carriage, radial dielectric distribution case deflector 7 is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in dielectric distribution case.
Every laminate tread assembly in the plate tread assembly hot junction of gas-gas heat exchanger is all connected with expansion joint, thus efficiently solves the problem of plate tread assembly expanded by heating.The heat transfer element of gas-gas heat exchanger adopts octagon welded plate type heat exchanger heat transferring plate, and sheet surface is smooth and without flow dead, so it is convenient to blow ash, thoroughly solve equipment dust stratification problem.Gas gas plate-type heat exchanger plate bundle component level is placed, and production difficulty is little, adopts modular arrangement, can realize equipment enlarging, adapts to large-scale plant production scale.Two media imports and exports the fluid distrbution district that bobbin carriage connects, and is provided with the shunting part of medium bobbin carriage deflector and dielectric distribution case deflector in medium bobbin carriage and dielectric distribution case, successfully solves the uneven problem of fluid distrbution of large-scale heat transmission equipment wide cut bobbin carriage.
The gateway bobbin carriage of described two media is folded direction radiation along plate tread assembly group and is provided with dispersion plate 13, and the leading portion of described dispersion plate is provided with and regulates turnover panel 6.For regulating the flow entering each passage fluid, ensure fluid uniform access arrangement passage as far as possible.
Described octagon welded plate type heat exchanger heat transferring plate is superimposed affixed or be spliced into plate group module, as shown in Figure 7, octagon welded plate type heat exchanger heat transferring plate monnolithic case is octagon or approximate octagon, and its upper and lower two ends is trapezoidal shape guiding region, and mid portion is rectangular-shaped heat transfer zone; The symmetrical superimposed rear both sides of octagon welded plate type heat exchanger heat transferring plate form parallel airtight cold flow passage and heat passage between ripple, and plate both sides fluid flow direction is contrary.The circulation passage of two media be an outside top margin by 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.The flow direction of certain two media can be inverted, and both flow channels also can exchange.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. a board-like gas-gas heat exchanger, it is characterized in that, comprise casing, the plate tread assembly being located at the horizontal set of box house and the gateway bobbin carriage of two media be connected with plate tread assembly, in the gateway bobbin carriage of described two media, a kind of medium gateway bobbin carriage is positioned at the casing left and right sides, the gateway bobbin carriage of another kind of medium is positioned at the one or both ends, front and back of casing, described plate tread assembly at least one deck, every layer is made up of at least one heat transfer module, described heat transfer module is made up of the symmetrical superimposed affixed or splicing of octagon welded plate type heat exchanger heat transferring plate, described octagon welded plate type heat exchanger heat transferring plate comprises guiding region and heat transfer zone, the upper and lower two ends of described plate are trapezoidal shape guiding region, mid portion is rectangular-shaped heat transfer zone, described plate monnolithic case is octagon or approximate octagon, described plate two ends are respectively the access way of different medium, media of both sides flow direction is contrary, in described plate, the circulation passage of medium is that an outside top margin by upper trapezoid is 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, the outside top margin connecting media bobbin carriage of the upper trapezoid of described plate tread assembly side, the both sides hypotenuse connecting media bobbin carriage of the lower trapezoid of described plate tread assembly opposite side, cavity between described medium bobbin carriage and two ends casing is dielectric distribution case, described medium bobbin carriage one end is stiff end, the other end is sliding end, rectangular expansion joint is provided with between described sliding end medium bobbin carriage and plate tread assembly, the gateway bobbin carriage of a kind of medium of the one or both ends, front and back of described medium bobbin carriage two ends connect box, the gateway bobbin carriage of a kind of medium of the connect box left and right sides, described dielectric distribution case two ends, multilayer L shape medium bobbin carriage deflector is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in medium bobbin carriage, radial dielectric distribution case deflector is provided with along the symmetrical superimposed direction of octagon welded plate type heat exchanger heat transferring plate in dielectric distribution case.
2. a kind of board-like gas-gas heat exchanger as claimed in claim 1, is characterized in that: the gateway bobbin carriage of described two media is folded direction radiation along plate tread assembly group and is provided with dispersion plate, and the leading portion of described dispersion plate is provided with adjustment turnover panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629093.XA CN104677153A (en) | 2013-11-28 | 2013-11-28 | Plate type air-air heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310629093.XA CN104677153A (en) | 2013-11-28 | 2013-11-28 | Plate type air-air heat exchanger |
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| Publication Number | Publication Date |
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| CN104677153A true CN104677153A (en) | 2015-06-03 |
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| CN201310629093.XA Pending CN104677153A (en) | 2013-11-28 | 2013-11-28 | Plate type air-air heat exchanger |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291752A (en) * | 1978-10-26 | 1981-09-29 | Bridgnell David G | Heat exchanger core attachment and sealing apparatus and method |
| CN202254978U (en) * | 2011-08-25 | 2012-05-30 | 北京奇宏科技研发中心有限公司 | Polygonal reversing air heat exchanger |
| CN102967168A (en) * | 2012-12-13 | 2013-03-13 | 天津华赛尔换热设备有限公司 | Heat transmission plate for welding plate type heat exchanger |
| CN103307914A (en) * | 2013-07-05 | 2013-09-18 | 山东北辰机电设备股份有限公司 | High-efficiency lamella heat exchanger |
| CN203572284U (en) * | 2013-11-28 | 2014-04-30 | 天津华赛尔传热设备有限公司 | Plate type gas-gas heat exchanger |
-
2013
- 2013-11-28 CN CN201310629093.XA patent/CN104677153A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4291752A (en) * | 1978-10-26 | 1981-09-29 | Bridgnell David G | Heat exchanger core attachment and sealing apparatus and method |
| CN202254978U (en) * | 2011-08-25 | 2012-05-30 | 北京奇宏科技研发中心有限公司 | Polygonal reversing air heat exchanger |
| CN102967168A (en) * | 2012-12-13 | 2013-03-13 | 天津华赛尔换热设备有限公司 | Heat transmission plate for welding plate type heat exchanger |
| CN103307914A (en) * | 2013-07-05 | 2013-09-18 | 山东北辰机电设备股份有限公司 | High-efficiency lamella heat exchanger |
| CN203572284U (en) * | 2013-11-28 | 2014-04-30 | 天津华赛尔传热设备有限公司 | Plate type gas-gas heat exchanger |
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Application publication date: 20150603 |