CN210373705U - Electric heating brazing type plate heat exchanger - Google Patents
Electric heating brazing type plate heat exchanger Download PDFInfo
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- CN210373705U CN210373705U CN201921151756.0U CN201921151756U CN210373705U CN 210373705 U CN210373705 U CN 210373705U CN 201921151756 U CN201921151756 U CN 201921151756U CN 210373705 U CN210373705 U CN 210373705U
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Abstract
An electric heating brazing type plate heat exchanger comprises a plate fixing frame and a heat exchanger plate assembly; the heat exchanger plate assembly is formed by welding a plurality of electric heating plates, a heating resistance wire is arranged on one side of each electric heating plate, one side of each two adjacent electric heating plates, which is provided with the heating resistance wire, is arranged oppositely, one side of each electric heating plate, which is not provided with the heating resistance wire, is arranged oppositely, the corner holes of the two plates on one side, which are provided with the heating resistance wires, are welded in a closed mode with the periphery, and the periphery of the two plates on one side, which are not provided with the heating resistance wires, are. The utility model has the advantages that: an electric heating brazing plate type heat exchanger, in order to meet the heating requirement of scattered areas, the utility model fills heat conducting oil in the cavity of an electric heating plate, so that the heat conduction of the plate after electric heating is more uniform, and the heat utilization rate is high; in addition, the plates are sealed by welding, the heat exchanger can bear higher pressure and temperature, and the heat exchanger has wide application range and long service life.
Description
Technical Field
The utility model relates to a plate heat exchanger especially relates to an electrical heating type plate heat exchanger of brazing.
Background
At present, in winter heating, primary network hot water from a heating power company and cold water of a secondary network of a household are mostly adopted to exchange heat in a plate heat exchanger so as to exchange heat with the secondary network. But is not suitable for central heating in some scattered heating areas, so as to reduce energy waste and environmental pollution. Therefore, an electric heating plate heat exchanger is urgently needed for heating and heat exchanging.
Patent document No. CN206847441U discloses a "PTC semiconductor electrically heated plate heat exchanger" which performs heating and heat exchange by PTC semiconductor electrical heating. But the heat exchanger plates are sealed by "sealing gaskets". The temperature and the pressure which can be borne by the sealing rubber gasket are low in the using process, the pressure generally does not exceed 2.5Pa, and the service life of the sealing rubber gasket is greatly influenced in the high-temperature working state, so that the service life of the heat exchanger is further influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electrical heating plate heat exchanger that brazes, for satisfying the heating requirement in scattered area, the utility model discloses heat conduction is even, and heat utilization rate is high, long service life.
In order to achieve the above object, the utility model adopts the following technical scheme:
an electric heating brazing type plate heat exchanger comprises a plate fixing frame and a heat exchanger plate assembly; the heat exchanger plate assembly is formed by welding a plurality of electric heating plates, a heating resistance wire is arranged on one side of each electric heating plate, one side of each two adjacent electric heating plates, which is provided with the heating resistance wire, is arranged oppositely, one side of each electric heating plate, which is not provided with the heating resistance wire, is arranged oppositely, the corner holes of the two plates on one side, which are provided with the heating resistance wires, are welded in a closed mode with the periphery, and the periphery of the two plates on one side, which are not provided with the heating resistance wires, are.
The closed cavity on one side of the heating resistance wire is filled with heat conducting oil.
Compared with the prior art, the beneficial effects of the utility model are that:
an electric heating brazing plate type heat exchanger, in order to meet the heating requirement of scattered areas, the utility model fills heat conducting oil in the cavity of an electric heating plate, so that the heat conduction of the plate after electric heating is more uniform, and the heat utilization rate is high; in addition, the plates are sealed by welding, the heat exchanger can bear higher pressure and temperature, and the heat exchanger has wide application range and long service life.
Drawings
Fig. 1 is a schematic view of the overall structure of an electric heating brazing type plate heat exchanger of the present invention.
Fig. 2 is a schematic view of the structure of two monolithic electric heating plates.
Figure 3 is an assembled schematic view of a heat exchanger plate assembly.
Fig. 4 is a schematic structural view of the stationary platen.
In the figure: 1-plate fixing frame, 2-heat exchange plate assembly, 3-electric heating plate I, 4-electric heating plate II, 5-angle hole, 6-heat exchange zone, 7-heating zone, 8-fixing plate angle hole and 9-fixing plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-4, an electric heating brazing type plate heat exchanger comprises a plate fixing frame 1 and a heat exchanger plate assembly 2; the heat exchanger plate assembly 2 is formed by welding a plurality of electric heating plates, a heating resistance wire is arranged on one side of each electric heating plate, one side of each two adjacent electric heating plates, which is provided with the heating resistance wire, is arranged oppositely, one side of each electric heating plate, which is not provided with the heating resistance wire, is arranged oppositely, the corner holes of the two plates on one side provided with the heating resistance wire are welded in a closed mode with the periphery, and the periphery of the two plates on one side not provided with the heating resistance wire is welded in a closed mode.
The closed cavity on one side of the heating resistance wire is filled with heat conducting oil.
As shown in fig. 2, the first electric heating plate 3 and the second electric heating plate 4 are two adjacent electric heating plates, heating resistance wires are arranged on two opposite plate surfaces of the first electric heating plate 3 and the second electric heating plate 4, the corner holes 5 between the two plate surfaces are welded in a closed manner, and the peripheries of the plates are welded in a closed manner. And the closed space between the first electric heating plate 3 and the second electric heating plate 4 is used as a heating area 7 and is filled with heat conduction oil. The outward terminals of the heating resistance wires are sealed.
Referring to fig. 3, two electric heating plates are welded in pairs, the interior of each electric heating plate is a heating area 7, the exterior of each electric heating plate is hermetically welded with the periphery of the other electric heating plate, the area is a heat conduction area 6 for circulating a heated medium, and the heated medium flows through each heat conduction area 6 through the corner holes for heat exchange.
The heating resistance wire in the heating area 7 is electrified to release heat, and the heat is uniformly exchanged with the medium in the heat conducting area 6 through the heat conducting oil.
The front and the back of the heat exchanger plate assembly 2 welded together are respectively provided with a fixing plate 9, the fixing plate 9 is provided with a fixing plate corner hole 8, and the fixing plate corner hole 8 is connected with a water inlet and outlet pipeline of the secondary net heat exchanger unit. And the fixing plate 9 and the heat exchanger plate assembly 2 are sealed by a sealing strip.
The above is only the basic principle of the present invention, not to the present invention makes any limitation, all the bases of the present invention are the same changes and modifications to the above, all within the scope of the protection scheme of the present patent technology.
Claims (2)
1. An electric heating brazing type plate heat exchanger comprises a plate fixing frame and a heat exchanger plate assembly; the heat exchanger plate assembly is characterized in that the heat exchanger plate assembly is formed by welding a plurality of electric heating plates, a heating resistance wire is arranged on one side of each electric heating plate, one side of each two adjacent electric heating plates, provided with the heating resistance wire, is arranged oppositely, one side of each electric heating plate, not provided with the heating resistance wire, is arranged oppositely, the corner holes and the periphery of the two plates on one side provided with the heating resistance wire are welded in a closed mode, and the periphery of the two plates on one side not provided with the heating resistance wire is welded in a closed mode.
2. The electric heating brazing type plate heat exchanger as claimed in claim 1, wherein the closed cavity at the side where the heating resistance wires are arranged is filled with heat conducting oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151756.0U CN210373705U (en) | 2019-07-22 | 2019-07-22 | Electric heating brazing type plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921151756.0U CN210373705U (en) | 2019-07-22 | 2019-07-22 | Electric heating brazing type plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210373705U true CN210373705U (en) | 2020-04-21 |
Family
ID=70273661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921151756.0U Active CN210373705U (en) | 2019-07-22 | 2019-07-22 | Electric heating brazing type plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210373705U (en) |
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2019
- 2019-07-22 CN CN201921151756.0U patent/CN210373705U/en active Active
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