CN204115548U - A kind of heat exchanger plate bundle with guide function - Google Patents
A kind of heat exchanger plate bundle with guide function Download PDFInfo
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- CN204115548U CN204115548U CN201420523441.5U CN201420523441U CN204115548U CN 204115548 U CN204115548 U CN 204115548U CN 201420523441 U CN201420523441 U CN 201420523441U CN 204115548 U CN204115548 U CN 204115548U
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- heat exchanger
- guide function
- flat board
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Abstract
Have a heat exchanger plate bundle for guide function, comprise flat board, arrange gib block at the medium gateway place at described dull and stereotyped two ends, gas phase media is incorporated into the heat transfer zone at dull and stereotyped middle part by this gib block; At the affixed back-up block in the middle part of flat board, form heat transfer dull and stereotyped; The top of this back-up block and the flat face of another flat board are touched, and between two flat boards welded seal bar, form single heat transfer plate pipe; Finally multiple heat transfer plate pipe is stacked together, form the heat exchanger plate bundle with guide function.Feature of the present utility model is that drag losses is little, not easily dust stratification, not easily coking, be easy to purge, safe and reliable to operation without flow dead, equipment.
Description
Technical field
The utility model belongs to heat exchanger designs and manufacturing technology field, is specifically related to a kind of heat exchanger plate bundle, particularly relates to one and has guide function, is applicable to the heat exchanger plate bundle of gas-gas heat exchange.
Background technology
Because volume flow is large, when gas phase media enters heat exchanger, channel velocity usually can be very high; when flow direction changes, usually can there is local turbulence, thus cause the formation in heat transfer dead band; the vibration of plate bundle can be caused time serious, and then affect the security performance of equipment.According to the difference of version, board-like gas gas-heat exchanger generally adopts corrugated board structures or slab construction.The advantage of corrugated board structures is that turbulent extent is high, dull and stereotyped good rigidly, and heat transfer efficiency is high; shortcoming is that drag losses is large, and planar surface exists concavo-convex ripple, cannot sweep away wave bottom during gas phase media flowing; cause localized heat transfer dead band, therefore easily cause dust stratification in the bottom of ripple, not easy to clean; The advantage of slab construction be not easily dust stratification, shortcoming is poor rigidity, dull and stereotyped turbulent extent is low, do not have diversion function.
Patent " Flat-plate-type air preheater " (ZL201110390369.4), propose a kind of exchange piece and comprise two groups of heat-transfer pipes, often group heat-transfer pipe is mutually superposed by identical multiple heat-transfer pipes and forms, each heat-transfer pipe comprises flow-interfering bar plate body identical with two panels, the two side of plate body is provided with bending edges, be provided with sealing gasket between bending edges, be fastened by bolts between two bending edges and sealing gasket.This patent considers flow-disturbing problem, but does not relate to the guiding of medium import and export, not mentioned flow regime, and this patent adopts bolted, cannot be used for the heat exchange of pressure-bearing gas.
Patent " a kind of cast iron plate-type air preheater " (ZL201010188803.6), propose heat transfer plate body to be processed by casting, positive and negative is provided with the fin of flow-disturbing effect, polylith heat transfer plate body is connected into an entirety by pull bar connection, this patent is emphasized to adopt cast iron quality to solve corrosion and erosion problem, do not relate to the movement-oriented of gas inlet and outlet, and single heat transfer plate body is cross-current structure, nonmetal encapsulant or metal bead sealing is adopted between heat transfer plate body, can only normal pressure be used for and allow to exist the occasion of certain leakage rate, the heat exchange of pressure-bearing gas cannot be used for, cause air preheater very heavy and floor space is huge owing to adopting cast components, engineer applied is limited to.
Utility model content
The purpose of this utility model is to solve the problem in actual production, eliminates safe hidden trouble, and provides that a kind of distribution of gas is even, heat transfer efficiency is high, good seal performance, safe and reliable heat exchanger plate bundle.
The technical scheme adopted is:
Have a heat exchanger plate bundle for guide function, comprise flat board, arrange gib block at the medium gateway place at described dull and stereotyped two ends, gas phase media is incorporated into the heat transfer zone at dull and stereotyped middle part by this gib block; At the affixed back-up block in the middle part of flat board, form heat transfer dull and stereotyped; The top of this back-up block and the flat face of another flat board are touched, and between two flat boards welded seal bar, form single heat transfer plate pipe; Finally multiple heat transfer plate pipe is stacked together, form the heat exchanger plate bundle with guide function.
The layout boot media of described gib block on flat board flows to and directly goes out for straight, and U-shaped or Z-type is pure adverse current between medium.
Described gib block is arranged along sheet width direction with equidistant or unequal-interval.
Described gib block and back-up block are cavity structure, and its section structure is Ω type, Π type, trapezoidal shape, square or triangle.
The contour structures of described gib block is vertical bar type, arc or S shape.
Described flat board, gib block, back-up block, sealing strip adopt metal or nonmetal manufacture.
Described gib block and back-up block adopt the technology of mold pressing on flat board, be directly compressed into convex ripple.
The beneficial effects of the utility model: solve the difficulty in actual production, after flat board is provided with gib block, medium imports heat transfer zone reposefully, and plate bundle does not vibrate, and eliminates potential safety hazard; Plate bundle drag losses is little, not easily dust stratification and coking, be easy to purge; This plate bundle is all-welded structure, can be used for the heat exchange of pressure-bearing gas, decreases the possibility of leakage; Single heat transfer plate body is pure counterflow configuration, and without heat transfer dead band, the cross-current structural thermal efficiency of employing more extensive than tradition is high; This plate bundle compact conformation, floor space is little, is convenient to processing and manufacturing.
The utility model can be applicable on the heat-exchangers of the plate type of the industries such as chemical industry, petroleum and petrochemical industry, thermoelectricity, pharmacy.
Accompanying drawing explanation
Fig. 1 is for forming the utility model I type slab construction schematic diagram;
Fig. 2 is for forming the utility model Z-type slab construction schematic diagram;
Fig. 3 a is the U-shaped slab construction schematic diagram of the utility model;
Fig. 3 b is the I portion enlarged diagram in Fig. 3 a;
Fig. 4 is the utility model I/U template pipe assembling schematic diagram;
Fig. 5 is the utility model I/U template pipe schematic diagram;
Fig. 6 a is the I/U plate-type heat exchanger plate bundle schematic diagram that the utility model has gas-gas guide function;
Fig. 6 b is II enlarged diagram in Fig. 6 a;
Fig. 7 is the utility model I/Z template pipe assembling schematic diagram;
Fig. 8 is the utility model I/Z template pipe schematic diagram;
Fig. 9 is the utility model U/U template pipe assembling schematic diagram;
Figure 10 is the utility model U/U template pipe schematic diagram;
Figure 11 is the utility model Z/Z template pipe assembling schematic diagram;
Figure 12 is the utility model Z/Z template pipe schematic diagram.
Detailed description of the invention
The utility model is further illustrated as follows below in conjunction with accompanying drawing and detailed description of the invention:
A kind of heat exchanger plate bundle with guide function, in a plane of flat board, near two ends place, gib block 103 is set, gib block is hollow-core construction, in accompanying drawing, the section structure of gib block is Π type, gib block structure can also be triangle, Ω type, trapezoidal shape, square etc., standard sections can be adopted or be processed into corresponding shape voluntarily, gib block material can be metal material, as: stainless steel, aluminium alloy, titanium alloy etc., also can be nonmetallic materials, as: rubber, resin, fiberglass etc.In accompanying drawing, the structure of gib block is arc, also can be vertical bar type or S shape etc., and gib block is fixed on flat board by the mode of bonding and welding, and mould pressing technology Direct Rolling on flat board also can be adopted to form.Swiftly flowing gas phase media both can flow along the runner 104 of gib block internal preset, also can flow at two gib blocks and the dull and stereotyped space runner 106 surrounded, the flow direction of gib block boot media flowing can be divided into straightly directly going out, Z-type and U-shaped, corresponding flat board can be divided into I type 1(Fig. 1, Fig. 4), Z-type 2(Fig. 2, Fig. 7), U-shaped 3(Fig. 3, Fig. 4).When medium import and export direction to become 90 degree with intermediate heat main flow area time, high-speed gas flows to middle main flow heat transfer zone during through medium entrance place, gas flow direction sharply changes, and under the influence of centrifugal force, cause the fluid distrbution entering intermediate heat main flow area uneven.More larger away from mental and physical efforts from import and export, for ensureing that gas imports to heat transfer zone reposefully, gib block is arranged on flat board with unequal-interval.Fluid passage between gib block is changed, to ensure that gas imports to heat transfer zone reposefully by regulating gib block spacing.
The non-water conservancy diversion region in dull and stereotyped intermediate heat district arranges back-up block 102, and a dull and stereotyped back-up block is contacted with the platen surface that another flat board does not arrange gib block, to increase the load performance of dull and stereotyped entirety.Back-up block is also hollow-core construction, in accompanying drawing, the section structure of back-up block is Π type, and its section structure also can be triangle, Ω type, trapezoidal shape, square etc., can adopt standard sections or be processed into corresponding shape voluntarily, the material of back-up block can be metal, also can be nonmetal.Secondly importing and exporting dull and stereotyped periphery 101 at two dull and stereotyped non-media is provided with sealing strip, flat board is welded with sealing strip and forms single heat transfer plate pipe, I type flat board is provided with back-up block, Z, U-shaped flat board are provided with back-up block and gib block, I described type, Z-type and U-shaped flat board can form I/U type (Fig. 4, Fig. 5, Fig. 6), I/Z type (Fig. 7, Fig. 8), U/U type (Fig. 9, Figure 10) and Z/Z type (Figure 11, Figure 12) plate pipe through combination, finally every kind template pipe is stacked together, thus form the heat exchanger plate bundle with guide function.
Embodiment 1: the I/U template bundle embodiment with guide function is with reference to Fig. 1,3,4,5, and it is straightly directly to go out that medium flow on I type flat board, and side, I type flat late heat transfer district is only provided with back-up block.U-shaped plate divides A, B plate, and A plate level is revolved turnback and is B plate, U-shaped plate is provided with gib block and back-up block.A U-shaped A plate (or B plate) 3 is provided with back-up block and gib block side and an I template not to be provided with back-up block side and to contact, arrange U-shaped sealing strip 202 at periphery non-medium import and export periphery 101 again to combine, single I/U template pipe 5 after welding, can be obtained.Finally between multiple I/U template pipe, add I template sealing strip 201, after plate pipe stacks, be the I/U template bundle with guide function.
Embodiment 2: there is the I/Z template bundle embodiment of guide function with reference to Fig. 1,2,7,8.Plate bundle embodiment is identical with embodiment 1, and difference is: plate pipe adds Z-type sealing strip 203 in implementing; Plate bundle adds I template sealing strip 201 in implementing between plate pipe.
Embodiment 3: there is the U/U template bundle embodiment of guide function with reference to Fig. 3,9,10.Plate bundle embodiment is identical with embodiment 1, and difference is: plate pipe adds U-shaped sealing strip 202 in implementing; Plate bundle adds U-shaped sealing strip 202 in implementing between plate pipe.
Embodiment 4: there is the Z/Z template bundle embodiment of guide function with reference to Fig. 2,11,12.Plate bundle embodiment is identical with embodiment 1, and difference is: plate pipe adds Z-type sealing strip 203 in implementing; Plate bundle adds Z-type sealing strip 203 in implementing between plate pipe.
With reference to figure 5, each plate pipe is combined by two flat boards and the sealing strip be placed between flat board, and form a kind of circulation passage of medium in plate pipe, medium steadily enters heat transfer zone after gib block water conservancy diversion, as first medium in figure; Two plate pipes and the sealing strip be placed between plate pipe form another medium channel, and the I type flat board shown in Fig. 5 does not have diversion function, and I type flat board U or Z-type flat board are substituted, this side second medium also enters heat transfer zone reposefully after gib block water conservancy diversion.Two kinds of different fluids flow in the both sides of flat board, due to temperature difference, exchange heat can occur, thus realize the function of its heat exchange on thus dull and stereotyped.Multiple plate pipe carries out stacking and can be assembled into heat exchanger plates bundle, and plate Shu Zaijing simply processes the heat exchanger that can be machined for exchange heat.
Claims (7)
1. have a heat exchanger plate bundle for guide function, comprise flat board, it is characterized in that: arrange gib block at the medium gateway place at described dull and stereotyped two ends, gas phase media is incorporated into the heat transfer zone at dull and stereotyped middle part by this gib block; Back-up block is set at the middle part of flat board, forms heat transfer dull and stereotyped; The top of this back-up block and the flat face of another flat board are touched, and between two flat boards welded seal bar, form single heat transfer plate pipe; Finally multiple heat transfer plate pipe is stacked together, form the heat exchanger plate bundle with guide function.
2. a kind of heat exchanger plate bundle with guide function according to claim 1, is characterized in that: the layout boot media of described gib block on flat board flows to and directly go out for straight, and U-shaped or Z-type is pure adverse current between medium.
3. a kind of heat exchanger plate bundle with guide function according to claim 1 and 2, is characterized in that: described gib block is arranged along sheet width direction with equidistant or unequal-interval.
4. a kind of heat exchanger plate bundle with guide function according to claim 1, is characterized in that: described gib block and back-up block are cavity structure, and its section structure is Ω type, Π type, trapezoidal shape, square or triangle.
5. a kind of heat exchanger plate bundle with guide function according to claim 4, is characterised in that: the contour structures of described gib block is vertical bar type, arc or S shape.
6. a kind of heat exchanger plate bundle with guide function according to claim 1, is characterized in that: described flat board, gib block, back-up block, sealing strip adopt metal or nonmetal manufacture.
7. a kind of heat exchanger plate bundle with guide function according to claim 1, is characterized in that: described gib block and back-up block adopt the technology of mold pressing on flat board, be directly compressed into convex ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523441.5U CN204115548U (en) | 2014-09-12 | 2014-09-12 | A kind of heat exchanger plate bundle with guide function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420523441.5U CN204115548U (en) | 2014-09-12 | 2014-09-12 | A kind of heat exchanger plate bundle with guide function |
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| CN204115548U true CN204115548U (en) | 2015-01-21 |
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| CN201420523441.5U Active CN204115548U (en) | 2014-09-12 | 2014-09-12 | A kind of heat exchanger plate bundle with guide function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926256A (en) * | 2019-11-06 | 2020-03-27 | 华为技术有限公司 | Heat exchange plate and heat exchanger comprising same |
| CN112032698A (en) * | 2020-09-18 | 2020-12-04 | 江苏双良锅炉有限公司 | Novel low-nitrogen-emission cold flame combustion integrated steam boiler |
-
2014
- 2014-09-12 CN CN201420523441.5U patent/CN204115548U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926256A (en) * | 2019-11-06 | 2020-03-27 | 华为技术有限公司 | Heat exchange plate and heat exchanger comprising same |
| WO2021088940A1 (en) * | 2019-11-06 | 2021-05-14 | 华为技术有限公司 | Heat exchange plate and heat exchanger containing same |
| CN110926256B (en) * | 2019-11-06 | 2022-03-08 | 华为数字能源技术有限公司 | Heat exchange plate and heat exchanger comprising same |
| CN112032698A (en) * | 2020-09-18 | 2020-12-04 | 江苏双良锅炉有限公司 | Novel low-nitrogen-emission cold flame combustion integrated steam boiler |
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