CN212158253U - Modular combined core plate type gas heat exchanger - Google Patents
Modular combined core plate type gas heat exchanger Download PDFInfo
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- CN212158253U CN212158253U CN202020566125.1U CN202020566125U CN212158253U CN 212158253 U CN212158253 U CN 212158253U CN 202020566125 U CN202020566125 U CN 202020566125U CN 212158253 U CN212158253 U CN 212158253U
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Abstract
The utility model provides a modular combined core plate type gas heat exchanger, which comprises a heat exchanger core module and a frame for supporting the heat exchanger core module; the heat exchanger core module consists of heat exchanger core modules arranged in an array; the bottom of the heat exchanger core module is provided with a pulley, a groove is formed in the frame to form a slide rail, the heat exchanger core module is embedded into the slide rail through the pulley to realize sliding, and the heat exchanger core module is convenient to take out and insert. The utility model discloses to flue gas and metallurgical tail gas, easy long-pending dust, large heat exchanger wholly washs hardly, produces phenomenons such as jam and abrasion easily, adopts wide passageway height foaminess protruding board, whole heat transfer core module combination pull structure, and the core can locally take out, washs, and the replacement, maintenance etc. and this product has simple structure, takes up an area of the space compactness, preparation convenience, replacement are easy, washs swiftly, advantages such as dependable performance, suitable popularization.
Description
The technical field is as follows:
the utility model relates to a gas heat exchanger field provides a modularization combination core plate gas heat exchanger, is applied to among gas heat transfer devices such as power plant, petrochemical, ferrous metallurgy, to its high-temperature gas, like flue gas, a special gas heat exchanger of heat transfer such as tail gas, air.
Background art:
in the process flow of industrial production, combustion occurs, and a large amount of high-temperature flue gas and waste gas are generated. In the traditional industrial production, the gas is directly discharged through a chimney and other facilities before being subjected to heat exchange treatment. Since no waste heat recovery heat exchanger is installed on the discharged pipeline, heat is completely wasted. In order to utilize the heat, the waste heat in the gas is recycled through a high-temperature gas heat exchanger. The traditional heat exchanger is usually a tubular heat exchanger, but the tubular heat exchanger cannot achieve efficient utilization of waste heat because of poor enhanced heat transfer and incapability of completely recycling the waste heat when heat exchange and temperature rise are processed. The welded plate type heat exchanger can make up for the defect, has good heat transfer and high-efficiency waste heat recovery, but the large-scale integral welded plate type heat exchanger has the defects that an internal flow passage is not easy to clean and the dust is seriously accumulated. The problems of damage of part of the plate core, difficult maintenance and the like always restrict the application of the industry.
The invention content is as follows:
the utility model aims to provide a single device, a large-scale all-welded plate heat exchanger utilizing the waste heat of the treated gas, which solves the problems of difficult cleaning, easy blockage and difficult local maintenance and plugging of the existing welded plate heat exchanger,
specifically, the utility model provides a modularization combination core plate gas heat exchanger contains heat exchanger core module, supports frame, medium import and export, pipe case etc. of heat exchanger core module.
The heat exchanger core module consists of heat exchanger core modules arranged in an array; the heat exchanger core module is embedded into the sliding rail through the pulley to realize sliding on the sliding rail, so that the heat exchanger core module can be conveniently taken out and inserted.
In a preferred embodiment, the frame is formed by welding L-shaped angle iron.
The heat exchanger core module is a welded plate type gas heat exchanger module and is formed by welding heat exchanger plates in a laminated manner; the heat exchanger plate is provided with a support bulge and a turbulence bulge; and the adjacent two plates form air passages between the plates through the supporting bulges.
And welding the two sheets of the heat exchanger sheet into a group, and then further welding the group to obtain the welded plate type gas heat exchanger module.
In a preferred embodiment, the supporting bulges arranged on the heat exchanger plate sheet have the same bulge direction, the two side edges of the heat exchanger plate sheet are provided with turnups, the turning direction is opposite to the direction of the supporting bulges, the two plate sheets are taken as a group, the turnups are welded together, and a cavity is formed between the two plate sheets to serve as an air passage for a gas heat exchange medium to pass through; at the moment, each group of heat exchanger plates are provided with outwards-protruded supporting protrusions, the groups are sequentially arranged, the supporting protrusions are butted together, and a cavity is formed between the groups and is used as an air passage of another heat exchange medium; and welding the groups to form the welded plate type gas heat exchanger module.
The height of the supporting bulge is 0.5-3 cm; in a preferred embodiment the height of the support protrusions is 1-3 cm. Based on the plane of the heat exchanger plate, the height of the turbulence protrusions is 0.2-1.5 cm.
The utility model discloses in, support bellied height to be greater than the bellied height of vortex.
The heat exchanger plate is characterized in that the edges of two sides of the heat exchanger plate are provided with turnups, and the height of the turnups is 1-3cm based on the plane of the heat exchanger plate.
The utility model discloses an among the embodiment, adjacent air flue lets in high-temperature gas heat transfer medium and low-temperature gas heat transfer medium respectively. Wherein the high temperature gas and the low temperature gas are introduced in orthogonal directions.
Modularization combination core plate gas heat exchanger be equipped with pipe case. The tube box is connected with the heat exchange medium pipeline and the heat exchanger core module and used for conveying the heat exchange medium into the heat exchanger core module and guiding out the heat exchanged medium.
In an embodiment, in order to let heat exchange medium enter corresponding air flue, the heat exchange medium entering position and the discharge position of the heat exchanger core module seal corresponding air flue in a welding mode, so that high-temperature gas heat exchange medium and low-temperature gas heat exchange medium respectively enter into adjacent air flue. In this embodiment, the corresponding gas passages may also be sealed by welding at the heat exchange medium inlet and outlet positions of the core module of the heat exchanger, so that the high-temperature gas heat exchange medium and the low-temperature gas heat exchange medium respectively enter the adjacent gas passages.
The method for welding the sealed air channel is preferably to fold the edges of the heat exchange plate, and the edges are sealed by welding.
In another embodiment, barriers which are adaptive to the length and the width of an air passage of a plate type gas heat exchanger in the heat exchanger core module are respectively arranged at the positions of a heat exchange medium inlet and a heat exchange medium outlet of the heat exchanger core module. And blocking the inlet and the outlet of the corresponding air passage through the barrier so as to enable high-temperature gas or low-temperature gas to enter the corresponding unblocked air passage. The barrier is used for blocking high-temperature gas and low-temperature gas to enter the adjacent gas passages respectively.
In the embodiment of the present invention, the high temperature gas passage is adjacent to the low temperature gas passage, and is arranged at intervals in sequence, as shown in fig. 2.
In the present invention, the high-temperature gas and the low-temperature gas flow in orthogonal directions.
In a preferred embodiment, seals are provided on the core modules for connecting the gas passages between adjacent core modules and preventing gas from escaping from their respective gas passages. The sealing element is fixed on the periphery of the heat exchanger plate and is exposed by 1-2 mm based on the edge of the heat exchanger plate.
In another preferred embodiment, grooves are formed on the periphery of the core module, the sealing elements are embedded in the grooves, and the sealing between the core and the core is realized based on the fact that the sealing elements are exposed 1-2 mm at the edge of the heat exchanger plate.
In a preferred embodiment, the seal is a bead of polytetrafluoroethylene or soft metal.
To gas heat exchanger, in the heat exchanger, based on the total ventilation capacity of high-temperature gas and low-temperature gas, allow to have the high-temperature gas and the low-temperature gas mixture that are no more than 5% at the heat transfer in-process.
The utility model has the advantages that: the all-welded plate heat exchanger for recovering the waste heat of the professional treated gas is more suitable for the requirements of different treatment capacities than the heat exchangers of the same type under the same working condition, is designed by free module interchange, and also has the advantages of simple cleaning and maintenance, convenient manufacture, reliable performance, suitability for popularization and the like.
Description of the drawings:
FIG. 1: modular combined core plate gas heat exchanger schematic.
FIG. 2: the core module structure is schematically shown.
FIG. 3: the structure of the welded plate of the heat exchanger is schematically shown.
FIG. 4: the edge of the core module of the plate heat exchanger is folded and welded schematically.
FIG. 5: fig. 3 is a side cross-sectional view.
In the figure: 1. high-temperature gas inlet, 2, low-temperature gas inlet, 3, high-temperature gas outlet, 4, upper pipe box, 5, low-temperature gas outlet, 6, heat exchanger core module, 7, frame, 8, lower pipe box, 9, low-temperature gas channel, 10, high-temperature gas channel, 11, handle, 12, pulley, 13, supporting protrusion, 14, vortex protrusion, 15, heat exchanger plate.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the following examples and drawings.
1. Preparing a heat exchanger core module:
taking a heat exchanger plate 15 of 30cmX30cm, wherein the heat exchanger plate is provided with a supporting bulge 13 and a turbulence bulge 14, the height of the supporting bulge is 1.5cm, the height of the turbulence bulge is 0.5cm, the edges of two sides of the plate are provided with a type turnover, and the turnover height is 1.5 cm. Two heat exchanger plates are combined into a group, the edges of the plates are turned and welded together, and a cavity is formed between the two plates in each group and is used as a high-temperature gas heat exchange medium air passage. And butting the groups with the supporting bulges, and welding the groups together to obtain the heat exchanger core module 6. Therefore, a cavity is formed between the groups by the support bulges and is used as a low-temperature gas heat exchange medium air channel.
In order to enable the corresponding heat exchange medium to enter the corresponding air passages, the openings of the low-temperature gas air passages are sequentially sealed in a welding mode at the inlet and the outlet of the high-temperature gas heat exchange medium air passage of the heat exchanger core module. In this embodiment, the high-temperature gas is introduced from the top to the bottom of the high-temperature gas heat exchange medium gas passage and is guided out, and the low-temperature gas is introduced from the horizontal direction of the low-temperature gas heat exchange medium gas passage and is guided out.
At the edge of the heat exchanger plate, a sealing element is further embedded through a groove, in this embodiment, the sealing element is a polytetrafluoroethylene sealing strip, and the polytetrafluoroethylene sealing strip is exposed by 2 mm based on the edge of the heat exchanger plate.
At the bottom of the heat exchanger core module there are hidden pulleys 12.
2. Preparation and assembly of the heat exchanger core module:
and according to the size of the heat exchanger core module, welding the L-shaped angle steel into the heat exchanger module frame 7. The frame provides a 4X5 array of heat exchanger core module support structures. And in the frame, a groove is formed on the frame corresponding to the position of the pulley for placing the heat exchanger core module to form a slide rail. And placing the heat exchanger core module in the frame to form an integral heat exchanger core module.
3. The heat exchanger core module is connected with a heat exchange pipeline for heat exchange:
the heat exchange device is characterized in that a pipe box is arranged to be connected with a heat exchange medium pipeline and a heat exchanger core module, heat exchange medium is conveyed into the heat exchanger core module, and the medium after heat exchange is led out. The utility model discloses an in the embodiment, let in high-temperature gas heat transfer medium in the longitudinal direction of heat exchanger, high-temperature gas heat transfer medium top-down lets in and derives. And introducing a low-temperature gas heat exchange medium in the horizontal direction of the heat exchanger. In this embodiment, the high-temperature gas heat exchange medium and the low-temperature gas heat exchange medium respectively enter the adjacent gas passages to exchange heat through the core body of the plate heat exchanger.
The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit, and although the present invention has been described in detail by the above embodiments, it should be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention defined by the claims.
Claims (9)
1. A modular combined core plate gas heat exchanger is characterized by comprising a heat exchanger core module and a frame (7) for supporting the heat exchanger core module; the heat exchanger core module consists of heat exchanger core modules (6) arranged in an array; be equipped with pulley (12) in heat exchanger core module (6) bottom, fluting forms the slide rail on the frame, and heat exchanger core module realizes sliding through pulley embedding slide rail, makes things convenient for taking out and inserting of heat exchanger core module (6).
2. A modular combined core plate gas heat exchanger according to claim 1, characterized in that the heat exchanger core modules (6) are welded plate gas heat exchanger modules, which are formed by welding heat exchanger plates (15) in a stack; the heat exchanger plate is provided with a supporting bulge (14) and a turbulence bulge (13), and the edges of two sides of the heat exchanger plate are provided with turnups; two sheets are taken as a group, the two sheets are turned and welded together, and a cavity is formed between the two sheets to be used as an air passage for air to pass through; and then the groups are sequentially arranged and welded to form the welded plate type gas heat exchanger module.
3. The modular combined core plate gas heat exchanger of claim 2, wherein the height of the support protrusions is 0.5-3 cm; the height of the turbulence protrusions is 0.2-1.5 cm; the height of the supporting protrusion is larger than that of the turbulence protrusion.
4. The modular combined core plate gas heat exchanger of claim 2, wherein the folded height is 0.5-3 cm.
5. The modular combined core plate gas heat exchanger of claim 2, wherein adjacent gas passages are fed with high temperature gas and low temperature gas, respectively.
6. The modular combined core plate gas heat exchanger of claim 5, wherein the hot and cold gases are introduced in orthogonal directions.
7. A modular combined core plate gas heat exchanger according to any of claims 1-6, wherein a seal is provided on the core module for preventing gas escape.
8. The modular combined core plate gas heat exchanger of claim 7, wherein the sealing member is fixed around the heat exchanger plate (15) with the edge of the heat exchanger plate exposed 1-2 mm.
9. The modular combined core plate gas heat exchanger of claim 7, wherein the seal is a seal strip made of polytetrafluoroethylene or soft metal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020566125.1U CN212158253U (en) | 2020-04-16 | 2020-04-16 | Modular combined core plate type gas heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020566125.1U CN212158253U (en) | 2020-04-16 | 2020-04-16 | Modular combined core plate type gas heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629293A (en) * | 2020-12-21 | 2021-04-09 | 华南农业大学 | A waste gas deodorization and heat recovery integrated device for beasts and birds are bred |
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2020
- 2020-04-16 CN CN202020566125.1U patent/CN212158253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112629293A (en) * | 2020-12-21 | 2021-04-09 | 华南农业大学 | A waste gas deodorization and heat recovery integrated device for beasts and birds are bred |
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