CN206648505U - Plate type heat exchanger for gas heater - Google Patents
Plate type heat exchanger for gas heater Download PDFInfo
- Publication number
- CN206648505U CN206648505U CN201720176967.4U CN201720176967U CN206648505U CN 206648505 U CN206648505 U CN 206648505U CN 201720176967 U CN201720176967 U CN 201720176967U CN 206648505 U CN206648505 U CN 206648505U
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- China
- Prior art keywords
- heat exchanger
- exchanger plates
- plate type
- gas heater
- type heat
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Abstract
A kind of plate type heat exchanger for gas heater, it includes upper heat exchanger plates, lower heat exchanger plates, it is mainly technically characterized by heat exchanger plates and lower heat exchanger plates is integrally welded, and form the cavity that water supply stream passes through, flow inlet and water export are provided with plate-type heat-exchange unit, lower heat exchanger fin periphery is provided with flange, and flange periphery is provided with side.With the reliability that can effectively improve product, and then the features such as the service life of extension plate type heat exchanger.
Description
Technical field
It the utility model is related to a kind of plate type heat exchanger for gas heater.
Background technology
In the prior art, the upper and lower heat exchanger plates periphery of plate type heat exchanger is to turn over straight flange structure, and peripheral bead is not convex
Rim, vacuum brazing furnace soldering is then placed between brazing material is pressed in two panels with copper sheet between upper and lower heat exchanger plates.It is many
Well known, plate type heat exchanger can contact with the condensed water of acidity, and copper material is easily corroded under the condensed water of acidity, can cause
There is the hidden danger of perforation leak in plate type heat exchanger.To overcome these defects, to the plate type heat exchanger progress for gas heater
Improve.
The content of the invention
Technical problem to be solved in the utility model is to provide for a kind of plate type heat exchanger for gas heater, it
The reliability of product can be effectively improved, and then extends the service life of plate type heat exchanger.
The utility model solves the technical scheme that its technical problem uses：
A kind of plate-type heat-exchange unit, it includes upper heat exchanger plates, lower heat exchanger plates, and upper heat exchanger plates are welded into one with lower heat exchanger plates
Body, and the cavity that water supply stream passes through is formed, it is provided with flow inlet and water export, lower heat exchanger plates periphery on plate-type heat-exchange unit
Provided with flange, flange periphery is provided with side.
Upper heat exchanger plates, lower heat exchanger plates are made up of stainless steel material.
Described upper heat exchanger plates are provided with upper heat exchanger plates and strengthen muscle.
Described lower heat exchanger plates are provided with the lower heat exchanger plates corresponding with upper heat exchanger plates reinforcing muscle and strengthen muscle.
Described upper heat exchanger plates, lower heat exchanger plates are provided with heat exchange fin.
The heat exchange fin is boss or concave station.
Upper heat exchanger plates are provided with upper fixed edge, and lower heat exchanger plates are provided with lower fixed edge, and upper fixed edge is welded into lower fixed edge
One.
Upper fixed edge is connected with lower fixed edge by solder joint.
The utility model beneficial effect caused by compared with background technology：
1st, because the utility model is integrally welded using upper heat exchanger plates and lower heat exchanger plates, and the sky that water supply stream passes through is formed
Chamber, flow inlet and water export is provided with plate-type heat-exchange unit, lower heat exchanger plates periphery is provided with flange, and flange periphery is provided with side
The structure on side, flange and side can make welding more firm, therefore it can effectively improve the reliability of product, and then extend board-like change
The service life of hot device.
Brief description of the drawings：Fig. 1 is the front view of upper heat exchanger plates 1 in the utility model.
Fig. 2 is the upward view of upper heat exchanger plates 1 in the utility model.
Fig. 3 is the front view of lower heat exchanger plates 2 in the utility model.
Fig. 4 is the upward view of lower heat exchanger plates 2 in the utility model.
Fig. 5 is the connection relationship diagram of upper heat exchanger plates 1 and lower heat exchanger plates 2.
Fig. 6 is Fig. 5 close-up schematic view.
Embodiment：Referring to shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, the present embodiment includes
Upper heat exchanger plates 1, lower heat exchanger plates 2, upper heat exchanger plates 1 and lower heat exchanger plates 2 are integrally welded, and form the cavity that water supply stream passes through, plate
Flow inlet and water export are provided with formula heat exchange unit, the lower periphery of heat exchanger plates 2 is provided with flange 5, and the periphery of flange 5 is provided with side
4.Apply Ni-based paste soldering material at the flange 5 of lower heat exchanger plates 2, by tool fixture or briquetting by upper heat exchanger plates 1, under change
Hot plate 2 is crimped together, after entering soldering stove heat, by upper heat exchanger plates 1 and the lower surrounding of heat exchanger plates 2, heat exchange after brazing material melts
Fin lap-joint welds together.
Upper heat exchanger plates 1, lower heat exchanger plates 2 are made up of stainless steel material, are advantageous to improve corrosion resistance.
Upper heat exchanger plates 1 are provided with upper heat exchanger plates and strengthen muscle 3, are advantageous to increase heat exchange area and runner flow-disturbing, improve heat exchange effect
Rate.
Described lower heat exchanger plates 2 are provided with the lower heat exchanger plates corresponding with upper heat exchanger plates reinforcing muscle 3 and strengthen muscle 6, are advantageous to increase
Big heat exchange area and runner flow-disturbing.
Upper heat exchanger plates 1, lower heat exchanger plates 2 are provided with heat exchange fin, are advantageous to improving heat exchanging efficiency.
The fin that exchanges heat is boss or concave station, is advantageous to strengthen heat exchange.
Upper heat exchanger plates 1 are provided with upper fixed edge, and lower heat exchanger plates 2 are provided with lower fixed edge, and upper fixed edge welds with lower fixed edge
Integrally, be advantageous to increase bonding area.
Upper fixed edge is connected with lower fixed edge by solder joint, is advantageous to lift soldering reliability.
In the utility model, single plate type heat exchanger unit can be separately machined, also two or more plates can be changed into list
Member is into Combined machining.
In the utility model, the soldering between upper heat exchanger plates 1, lower heat exchanger plates 2 can use common Ni-based paste on the market
Brazing material, addition brazing material is simple to operate, easy to implement, can effectively improve production efficiency, improve the reliability of product,
And then extend the service life of heat exchanger.
At present good corrosion resistance, suitable for stainless steel soldering Ni-based chip brazing material it is too crisp, can not be with heat exchanger plates
It is stamping together, it is coated in Ni-based paste soldering material on existing plate-type heat-exchange plate and it is difficult to operation, solder is easily at straight flange
Overflow, it is bad to easily cause soldering.
Upper heat exchanger plates 1, the periphery of lower heat exchanger plates 2 are equipped with reinforcing muscle in the utility model, and heat exchange can be improved by strengthening muscle
Flatness when plate 1, the shaping of lower heat exchanger plates 2, beneficial to the fit clearance of the upper heat exchanger plates 1 of control, lower heat exchanger plates 2, strengthen muscle and may be used also
With the upper heat exchanger plates 1 of increasing, the bonding area on the periphery of lower heat exchanger plates 2, more conducively soldering.
The lower periphery of heat exchanger plates 2 is provided with flange 5 in the utility model, and the periphery of flange 5 can be provided with side 4（Choking coil）, it is beneficial to
By the capillarity of soldering when the application of paste soldering material, the brazing material being attached on flange 5 enter soldering oven, in upper heat exchange
Fine and close solder joint is formed between plate 1, lower heat exchanger plates 2, completes the soldering of a heat exchange unit.Also the outer of solder can effectively be prevented
Overflow, the effect for saving brazing material can be played.
Upper soldering between heat exchanger plates 1, lower heat exchanger plates 2 can use common Ni-based paste pricker on the market in the utility model
Wlding material, addition brazing material is simple to operate, easy to implement, can effectively improve production efficiency and improve the corrosion-resistant of heat exchanger
Property, therefore it can efficiently reduce the failure of leak, improve the reliability of product, and then extend the service life of heat exchanger.
Claims (8)
1. a kind of plate type heat exchanger for gas heater, it includes upper heat exchanger plates（1）, lower heat exchanger plates（2）, it is characterised in that
Upper heat exchanger plates（1）With lower heat exchanger plates（2）It is integrally welded, and the cavity that water supply stream passes through is formed, set on plate-type heat-exchange unit
There are flow inlet and water export, lower heat exchanger plates（2）Periphery is provided with flange（5）, flange（5）Periphery is provided with side（4）.
2. the plate type heat exchanger according to claim 1 for gas heater, it is characterised in that described upper heat exchanger plates
（1）, lower heat exchanger plates（2）It is made up of stainless steel material.
3. the plate type heat exchanger according to claim 2 for gas heater, it is characterised in that described upper heat exchanger plates
（1）Strengthen muscle provided with upper heat exchanger fin（3）.
4. the plate type heat exchanger according to claim 3 for gas heater, it is characterised in that described lower heat exchanger plates
（2）Provided with upper heat exchanger plates strengthen muscle（3）Corresponding lower heat exchanger plates strengthen muscle（6）.
5. the plate type heat exchanger according to claim 4 for gas heater, it is characterised in that described upper heat exchanger plates
（1）, lower heat exchanger plates（2）It is provided with heat exchange fin.
6. the plate type heat exchanger according to claim 5 for gas heater, it is characterised in that it is described heat exchange fin be
Boss or concave station.
7. the plate type heat exchanger according to claim 6 for gas heater, it is characterised in that described upper heat exchanger plates
（1）Provided with upper fixed edge, lower heat exchanger plates（2）Lower fixed edge is provided with, upper fixed edge and lower fixed edge are integrally welded.
8. the plate type heat exchanger according to claim 7 for gas heater, it is characterised in that described upper fixed edge
It is connected with lower fixed edge by solder joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176967.4U CN206648505U (en) | 2017-02-27 | 2017-02-27 | Plate type heat exchanger for gas heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720176967.4U CN206648505U (en) | 2017-02-27 | 2017-02-27 | Plate type heat exchanger for gas heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206648505U true CN206648505U (en) | 2017-11-17 |
Family
ID=60281020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720176967.4U Active CN206648505U (en) | 2017-02-27 | 2017-02-27 | Plate type heat exchanger for gas heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206648505U (en) |
-
2017
- 2017-02-27 CN CN201720176967.4U patent/CN206648505U/en active Active
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