CN203837540U - Plate heat exchanger - Google Patents
Plate heat exchanger Download PDFInfo
- Publication number
- CN203837540U CN203837540U CN201420178095.1U CN201420178095U CN203837540U CN 203837540 U CN203837540 U CN 203837540U CN 201420178095 U CN201420178095 U CN 201420178095U CN 203837540 U CN203837540 U CN 203837540U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- plate
- plate group
- header board
- group
- 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.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003546 flue gas Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005219 brazing Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract 1
- 239000008236 heating water Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Abstract
A plate heat exchanger comprises heat exchanging plates, a water inlet, a water outlet, a heat exchanger rear plate and a heat exchanger front plate. The heat exchanging plates are arranged between the heat exchanger front plate and the heat exchanger rear plate in a sandwiched mode. Each heat exchanging plate is bent to form one heat exchanger plate set, the bent parts firstly make contact with high-temperature flue gas, a water flow channel is formed inside each heat exchanger plate set, and a flue gas channel is formed between every two adjacent heat exchanger plate sets. The water inlet and the water outlet are respectively communicated with all the water flow channels. Due to the facts that the heat exchanger plate sets are integrated in the direction where the heat exchanger plate sets firstly make contact with the high-temperature glue gas, namely, each heat exchanger plate set inwards forms the water flow channel in an enclosed mode, and the flue gas channel is formed between every two adjacent heat exchanger plate sets in an enclosed mode, it is effectively avoided that connection among the heat exchanger plate sets is damaged due to high temperature, safe and reliable effects are achieved, and the plate heat exchanger can be directly used as a main heat exchanger.
Description
Technical field
The utility model relates to a kind of heat exchanger, a kind of plate type heat exchanger using as main heat exchanger particularly, and it is adapted to gas heater and gas-heating water heater.
Background technology
Plate type heat exchanger is that a kind of heat transfer efficiency is high, advantages of compact and light structure, heat exchange area per unit volume are large, the heat transmission equipment of long service life.But due to structural limitations, being mainly used in medium temperature lower than below 250 ℃, is generally the heat exchanger as condenser or heating and sanitary water while being used in gas heater and gas-heating water heater.Plate type heat exchanger is that the mode that is stacked up to compress or weld by blocks of heat exchange plate is fixed up, and no matter is above-mentioned which kind of mode, if be directly used on main heat exchanger, high-temperature flue gas reaches more than 800 ℃, and existing structure cannot guarantee safety.Heat exchanger outward direction weld is generally more than 5mm, first the sheet temperature of contact position is larger with the sheet temperature difference that contacts water place with high-temperature flue gas, under normal reasonable terms, although high-temperature flue-gas is high, but in heat exchanger, be full of constantly mobile water, heat is constantly taken away, and first the sheet temperature of contact position is not high yet with high-temperature flue gas, but occur under abnormal conditions, in heat exchanger, be full of immobilising water but fire also constantly burning, with high-temperature flue gas first the water in the sheet of contact position there will be gasification, with high-temperature flue gas first the sheet temperature of contact position can sharply rise, temperature continues to raise, can destroy the connected mode (as the solder joint between heat exchange plate can melt) between heat exchanger plate group, now safety guard operation closing gas valve, water also can be from damaged outflow, the gas-heating water heater that particularly whole day is all being moved, occur that above-mentioned phenomenon can cause user house soaked, cause heavy losses, use dangerous.For overcoming above-mentioned defect, to developing for the plate type heat exchanger of gas heater and gas-heating water heater.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of plate type heat exchanger, it can be directly used on main heat exchanger, the in the situation that of improper burning, and the high-temperature flue gas first connected mode between the heat exchange plate of contact position can not destroyed, can effectively avoid the appearance of drainage, safe and reliable.
The utility model solves the technical scheme that its technical problem adopts: it comprises plate after heat exchange plate, water inlet, delivery port, heat exchanger, heat exchanger header board, heat exchange plate is clipped in after heat exchanger header board and heat exchanger between plate, a slice heat exchange plate is bent into a plate package, and first bending part contacts with high-temperature flue gas, the inner water stream channel that forms of each heat exchanger plate group, between adjacent heat exchanger plate group, form exhaust gases passes, water inlet, delivery port are communicated with each water stream channel respectively.
The surface of each described heat exchanger plate group is provided with a plurality of projections.
After described heat exchanger header board, heat exchanger, plate forms exhaust gases passes respectively and between the heat exchanger plate group being adjacent.
End face beyond each described heat exchanger plate group bending part welds together.
End face beyond each described heat exchanger plate group bending part is riveted together.
After described heat exchanger plate group, heat exchanger, plate, heat exchanger header board are made by stainless steel.
After described switching heat-exchanger plate group, heat exchanger, plate, heat exchanger header board are made of copper.
After described heat exchanger plate group, hot device, between plate, heat exchanger header board, with brazing, connect.
The utility model is compared produced beneficial effect with background technology: because the utility model adopts a plate package on existing basis, by the bending of a slice heat exchange plate, formed, and the scheme that first bending part contacts with high-temperature flue gas, heat exchanger plate group is one in the direction first contacting with high-temperature flue gas, be that single heat exchanger plate group inwardly surrounds water stream channel, between adjacent two heat exchanger plate groups, surround venting channels, effectively avoid because high temperature destroys the connection between heat exchanger plate group, safe and reliable, can directly be used as main heat exchanger.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model plate type heat exchanger;
Fig. 2 is the top view of the utility model plate type heat exchanger;
Fig. 3 is the longitudinal sectional view of Fig. 2.
The specific embodiment
Referring to accompanying drawing 1, accompanying drawing 2, shown in accompanying drawing 3, the present embodiment comprises heat exchange plate, water inlet 3, delivery port 1, after heat exchanger, plate 4, heat exchanger header board 2, the quantity of heat exchange plate is a plurality of, heat exchange plate is clipped in after heat exchanger header board 2 and heat exchanger between plate 4, a slice heat exchange plate is bent into a plate package 5, and first bending part 53 contacts with high-temperature flue gas, the inner water stream channel 7 that forms of each heat exchanger plate group 5, between adjacent heat exchanger plate group 5, form exhaust gases passes 10, heat exchanger header board 2, after heat exchanger, plate 4 also forms exhaust gases passes 10 respectively and between the heat exchanger plate group 5 being adjacent, water inlet 3, delivery port 1 is communicated with each water stream channel respectively.The surface of each heat exchanger plate group 5 is respectively equipped with a plurality of protruding 6, in the present embodiment, the heat exchange plate bending that every heat exchanger plate group 5 contains a plurality of pits by a slice forms, a plurality of pits after bending form a plurality of protruding 6 of heat exchanger plate group 5 upper and lower surfaces, a plurality of protruding 6 are used to form the interval between a plurality of heat exchanger plate groups 5, these intervals form exhaust gases passes 10, and certainly upper and lower corresponding projection is also the part of water stream channel 7.
Preferably, the end face beyond each described heat exchanger plate group 5 bending part welds or is riveted together, and processing is simple.
Further, after described heat exchanger plate group 5, heat exchanger, plate 4, heat exchanger header board 2 are made by stainless steel, corrosion-resistant, high temperature resistant, be convenient to welding.
After described switching heat-exchanger plate group 5, heat exchanger, plate 4, heat exchanger header board 2 also can adopt copper product to make.
The in the situation that after heat exchanger plate group 5, hot device, plate 4, heat exchanger header board 2 adopting stainless steel material to make, after described heat exchanger plate group 5, hot device, between plate 4, heat exchanger header board 2, with brazing, connect, reliability is strong.
As shown in Figure 1, Figure 2, Figure 3 shows, the direction of arrow in Fig. 3 represents that high-temperature flue gas flows to, normal condition high-temperature flue gas when exhaust gases passes 10 enters plate type heat exchanger, flow through successively bending part 53, heat exchanger plate group 5 one sides 51 and heat exchanger plate group 5 opposite sides 52 of heat exchanger plate group 5, a side 54 relative to bending part, each heat exchanger plate group 5 one side 51 and heat exchanger plate group 5 opposite sides 52 inwardly surround water stream channel 7, correspondingly, a plurality of heat exchanger plate groups 5 form a plurality of water stream channels 7, and water flows into each water stream channel 7 from water inlet 3, and the heat that absorbs high-temperature flue gas flows out from delivery port 1, when there are the immobilising abnormal conditions of water, there is gasification in heat exchanger plate group 5 bending parts 53, temperature continues to raise, because heat exchanger plate group 5 is formed by the bending of a slice heat exchange plate, bending part 53 solderless contact or riveting points, bending part 53 there will not be pad or riveting point to melt situation while contacting with high-temperature flue gas, before safety guard operation closing gas valve, be can not destroy heat exchanger plate group 5, at most only can destroy tie point 9 or the inner welding of the part near flame 8 of heat exchanger plate group 5 between heat exchanger plate group 5, for the side 54 relative with heat exchanger plate group 5 bending parts away from high-temperature flue gas, be difficult to destroy, make whole plate type heat exchanger there will not be the imagination of leaking, heat exchanger safe handling is without any impact, thereby reach reliable and secure.Meanwhile, due to the existence of bending part 53, first heat exchanger plate group 5 does not need the welding and assembling height of 5mm left and right with outside high-temperature flue gas contact position, can effectively reduce costs.
Claims (9)
1. a plate type heat exchanger, it comprises heat exchange plate, water inlet (3), delivery port (1), plate after heat exchanger (4), heat exchanger header board (2), heat exchange plate is clipped in after heat exchanger header board (2) and heat exchanger between plate (4), it is characterized in that a slice heat exchange plate is bent into a plate package (5), and bending part (53) first contacts with high-temperature flue gas, the inner water stream channel (7) that forms of each heat exchanger plate group (5), between adjacent heat exchanger plate group (5), form exhaust gases passes (10), water inlet (3), delivery port (1) is communicated with each water stream channel respectively.
2. plate type heat exchanger according to claim 1, is characterized in that the surface of each described heat exchanger plate group (5) is provided with a plurality of projections (6).
3. plate type heat exchanger according to claim 1, it is characterized in that described heat exchanger header board (2), heat exchanger after plate (4) form exhaust gases passes (10) respectively and between the heat exchanger plate group (5) being adjacent.
4. plate type heat exchanger according to claim 1, is characterized in that described each heat exchanger plate group (5) bending part (53) end face in addition welds together.
5. plate type heat exchanger according to claim 1, is characterized in that described each heat exchanger plate group (5) bending part (53) end face is in addition riveted together.
6. according to the plate type heat exchanger described in claim 1～4 any one, after the heat exchanger plate group (5) described in it is characterized in that, heat exchanger, plate (4), heat exchanger header board (2) are made by stainless steel.
7. plate type heat exchanger according to claim 5, is characterized in that plate (4) after described heat exchanger plate group (5), heat exchanger, heat exchanger header board (2) made by stainless steel.
8. according to the plate type heat exchanger described in claim 1～5 any one, it is characterized in that plate (4) after described switching heat-exchanger plate group (5), heat exchanger, heat exchanger header board (2) are made of copper.
9. plate type heat exchanger according to claim 6, is characterized in that plate (4) after described heat exchanger plate group (5), hot device, heat exchanger header board connect with brazing between (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178095.1U CN203837540U (en) | 2014-04-14 | 2014-04-14 | Plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178095.1U CN203837540U (en) | 2014-04-14 | 2014-04-14 | Plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203837540U true CN203837540U (en) | 2014-09-17 |
Family
ID=51515366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178095.1U Expired - Lifetime CN203837540U (en) | 2014-04-14 | 2014-04-14 | Plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203837540U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953421A (en) * | 2016-06-24 | 2016-09-21 | 苏州昶胜节能环保科技有限公司 | Improved plate type heater |
| CN108603685A (en) * | 2016-02-05 | 2018-09-28 | 庆东纳碧安株式会社 | Heat exchanger |
| CN110332559A (en) * | 2019-07-24 | 2019-10-15 | 山东旺泰科技有限公司 | Flue gas heat-exchange unit |
-
2014
- 2014-04-14 CN CN201420178095.1U patent/CN203837540U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108603685A (en) * | 2016-02-05 | 2018-09-28 | 庆东纳碧安株式会社 | Heat exchanger |
| CN108603685B (en) * | 2016-02-05 | 2020-10-30 | 庆东纳碧安株式会社 | Heat exchanger |
| CN105953421A (en) * | 2016-06-24 | 2016-09-21 | 苏州昶胜节能环保科技有限公司 | Improved plate type heater |
| CN110332559A (en) * | 2019-07-24 | 2019-10-15 | 山东旺泰科技有限公司 | Flue gas heat-exchange unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |