CN206683270U - A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump - Google Patents
A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump Download PDFInfo
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- CN206683270U CN206683270U CN201720425273.XU CN201720425273U CN206683270U CN 206683270 U CN206683270 U CN 206683270U CN 201720425273 U CN201720425273 U CN 201720425273U CN 206683270 U CN206683270 U CN 206683270U
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- titanium plate
- heat exchanger
- hot water
- water machine
- lithium bromide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump, including heat exchanger body, it is characterised in that：The titanium plate component that heat exchanger body includes housing and several titanium plates form in housing, integrally welded between titanium plate, titanium plate is provided with least one medium entrance and media outlet, and metal interface is welded with medium entrance and media outlet.The utility model not only has a higher corrosion resistance, wear resistance, also have with the carbon steel as heat exchanger shell similar in coefficient of thermal expansion, there is no stress damage hidden danger, be not easy to fouling, service life is longer, and materials relatively save；Also there is the advantages of fusion welding is directly carried out with lithium bromide cold and hot water machine group and heat pump simultaneously.
Description
Technical field
The utility model is related to a kind of plate type heat exchanger, it is particularly a kind of for lithium bromide cold and hot water machine group and heat pump can
Welded type titanium plate heat exchanger.
Background technology
At present, various types of lithium bromide cold and hot water machine groups and heat pump first will typically may require that in practical work process
The lithium-bromide solution cooling that heat is high, concentration is big could absorb vapor and be operated, and it also requires heating heat is low, concentration
Small lithium-bromide solution is regenerated；Usual way is to carry out above procedure by heat exchanger, both available and recovery heat,
And can improves unit efficiency；Heat exchanger is the part of all kinds lithium bromide cold and hot water machine group and heat pump indispensability in brief.
By thermal source grade and cold water temperature requirement, lithium bromide cold and hot water machine group can divide dual effect type lithium bromide cold and hot water machine group（With high temperature
Two heat exchanger, low temperature heat exchanger heat exchangers）And single-effect lithiumbromide cold warm water machine group（With a heat exchange
Device）.
Traditional heat exchanger uses shell-and-tube more, and volume is big, materials are more, heat exchange efficiency is low.Currently advanced technology is to adopt
The heat-exchangers of the plate type manufactured with stainless sheet steel, small volume, materials save, heat exchange efficiency is high.But use stainless steel plate type heat
The shortcomings that exchanger is：Because easily causing Corrosion of Stainless Steel under the material high temperature such as chlorion in lithium-bromide solution, it is caused to make
It is shorter with the life-span；In addition, the thermal coefficient of expansion of stainless steel is higher than carbon steel 50%, stainless steel plate type heat exchanger and lithium bromide cold and hot water
The main housing material mild steel of unit and heat pump often produces thermal stress because thermal expansion is inconsistent, also easily causes heat exchanger
Damage.
Because ferro element influences very big on the corrosion resistance and mechanical performance of titanium, therefore titanium can not be with the iron such as steel, stainless steel
Alloy fusion welding, and fuse welding and be to ensure that intensity, air-tightness and the most reliable mode of robustness.Lithium bromide cold and hot water machine
Group and heat pump are typically mostly made using ferroalloys such as steel, stainless steels.Therefore, it is necessary to solve the plate type heat exchanger of titanium material making
With lithium bromide cold and hot water machine group and the connectivity problem of heat pump.
The content of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art and provide one kind and be used for lithium bromide cold and hot water machine
The weldable titanium plate heat exchanger of group and heat pump, it not only has a higher corrosion resistance, wear resistance, also have with as heat
Coefficient of thermal expansion similar in the carbon steel of exchanger housing, there is no stress damage hidden danger, be not easy to fouling, service life is longer, uses
Material relatively saves；Also there is the advantages of fusion welding is directly carried out with lithium bromide cold and hot water machine group and heat pump simultaneously.
The technical solution of the utility model is：A kind of weldable titanium plate for lithium bromide cold and hot water machine group and heat pump is changed
Hot device, including heat exchanger body, the titanium plate component that heat exchanger body includes housing and several titanium plates form in housing, titanium
Integrally welded between plate, titanium plate is provided with least two pairs of medium entrances and media outlet, equal at medium entrance and media outlet
It is welded with metal interface.
The further technical scheme of the utility model is：The surface of titanium plate is provided with multiple undulatory convex tendons and/or groove.
Further technical scheme is the utility model：Convex tendon and/or groove are linear pattern, arc or broken line type.
The further technical scheme of the utility model is：The thickness of titanium plate is 5-15mm.
Further, medium entrance connects metal interface with media outlet using brazing mode.
Further, medium entrance and media outlet have two, respectively at the corner of titanium plate.
Further, the aperture of medium entrance is more than or equal to the aperture of media outlet.
Further, the material of metal interface is ferroalloy.
Further, the material of metal interface is the one or more combination in stainless steel, steel or the pig iron.
Further, metal interface directly carries out fusion welding with lithium bromide cold and hot water machine group and heat pump.
The utility model has following features compared with prior art：
（1）Weldable titanium plate heat exchanger provided by the utility model for lithium bromide cold and hot water machine group and heat pump due to
Titanium material is employed as main material, it is smaller by corroding under use environment, there is longer service life；
（2）The titanium plate coefficient of thermal expansion and differ less than 10% as the carbon steel of conventional case material that the utility model uses,
It is basically identical to ensure that housing and heat exchanger plates expand at work, does not have stress damage hidden danger；
（3）The titanium plate intensity that the utility model uses is high, under conditions of use with less erosion corrosion and abrasion；
（4）The titanium plate surface oxide layer that the utility model uses will not increase thickness, be not easy to fouling, long-term use heat transfer
Ability is not easy to decline, and has higher heat exchanger effectiveness；
（5）The titanium plate that the titanium material that the utility model uses makes is compared to stainless steel plate in equal heat exchange efficiency situation
Under, can reduce material usage 50% or so, and due to titanium itself it is light the characteristics of, there is the utility model and save material, quality
The advantages of lighter；
（6）The utility model each soldering at the inlet and liquid outlet of outermost titanium plate has a ferroalloy interface, can
Realized by interface and carry out fusion welding with lithium bromide cold and hot water machine group and heat pump, be well understood that determined titanium plate heat exchanger and bromination
Effective connectivity problem between lithium cold warm water machine group and heat pump.
Detailed construction of the present utility model is further described below in conjunction with the drawings and specific embodiments.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the titanium plate structural representation in embodiment 1；
Fig. 3 is the titanium plate structural representation in embodiment 2；
Fig. 4 is the titanium plate structural representation in embodiment 3.
Embodiment
Embodiment 1：
As shown in drawings：It is a kind of to be used for the weldable titanium plate heat exchanger of lithium bromide cold and hot water machine group and heat pump, including change
Hot device body, heat exchanger body include housing 1 and in the housing 1 several titanium plates 2 composition titanium plate component, between titanium plate 2
It is attached by way of soldering or welding, it is ensured that the compactness of connection is higher, phenomena such as being not in leakage, gas leakage,
Titanium plate 2 is provided with two couples of medium entrance 2-3 and media outlet 2-2, is respectively used to the disengaging of hot and cold medium, titanium plate 2 it is upper and lower
Surface is equipped with ripple groove 2-1, and groove 2-1 can increase the heat exchange efficiency of titanium plate heat exchanger；Groove 2-1 structure is straight line
Shape structure, there is higher heat exchange efficiency；Equal soldering has a stainless steel interface 3 at medium entrance 2-3 and media outlet 2-2,
Stainless steel interface 3 and lithium bromide cold and hot water machine group and heat pump directly carry out fusion welding, be well understood that determined titanium plate heat exchanger with
Effective connectivity problem between lithium bromide cold and hot water machine group and heat pump.
The thickness of titanium plate 2 is 5mm, the thinner thickness of every piece of titanium plate 2, can meet desired condition ensureing heat exchange efficiency
Under, there is the characteristics of saving material, lighter weight.Titanium plate 2 is string configuration, and the corner in titanium plate 2 is arcuate structure,
Security is higher, is conveniently installed.
Medium entrance 2-3 and media outlet 2-2 is located at the corner in titanium plate 2 respectively, and medium entrance 2-3 aperture is more than
Or the aperture equal to media outlet 2-2, ensure that hot and cold medium in titanium plate component there is the conditions such as sufficient time, space to come
Exchanged heat, guarantee has preferable heat transfer effect.
Housing 1 is formed using carbon steel material processing and fabricating, because housing 1 primarily serves the effect of container, typically will not
It is in contact with corrosive agent such as lithium bromides, therefore housing 1 can meet intensity requirement using carbon steel, can save production cost again.
Embodiment 2：
The thickness of titanium plate 2 is 10mm, and titanium plate 2 is provided with corrugated convex tendon, and convex tendon 2-1 structure is fold-line-shaped structure, tool
There is higher heat exchange efficiency, interface 3 is formed using Steel material processing and fabricating, and remaining is the same as embodiment 1.
Embodiment 3：
The thickness of titanium plate 2 is 15mm, and titanium plate 2 is provided with ripple groove 2-1, and groove 2-1 structure is arcuate structure, tool
There is higher heat exchange efficiency, interface 3 is formed using pig iron processing and fabricating, and remaining is the same as embodiment 1.
Claims (10)
1. a kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump, including heat exchanger body, it is special
Sign is：The titanium plate component that heat exchanger body includes housing and several titanium plates form in housing, it is welded between titanium plate
One, titanium plate are provided with least two pairs of medium entrances and media outlet, and being welded with metal at medium entrance and media outlet connects
Mouthful.
2. the weldable titanium plate heat exchanger according to claim 1 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：The surface of titanium plate is provided with multiple undulatory convex tendons and/or groove.
3. the weldable titanium plate heat exchanger according to claim 2 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：Convex tendon and/or groove are linear pattern, arc or broken line type.
4. the weldable titanium plate heat exchanger according to claim 1 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：The thickness of titanium plate is 5-15mm.
5. the weldable titanium plate heat exchanger according to claim 1 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：Medium entrance connects metal interface with media outlet using brazing mode.
6. the weldable titanium plate heat exchanger according to claim 5 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：Medium entrance and media outlet have two, respectively at the corner of titanium plate.
7. the weldable titanium plate heat exchanger according to claim 6 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：The aperture of medium entrance is more than or equal to the aperture of media outlet.
8. the weldable titanium plate for lithium bromide cold and hot water machine group and heat pump according to any one of claim 1-7 is changed
Hot device, it is characterised in that：The material of metal interface is ferroalloy.
9. the weldable titanium plate heat exchanger according to claim 8 for being used for lithium bromide cold and hot water machine group and heat pump, it is special
Sign is：The material of metal interface is the one or more combination in stainless steel, steel or the pig iron.
10. it is used for lithium bromide cold and hot water machine group and the weldable titanium plate of heat pump according to any one of claim 1-7
Heat exchanger, it is characterised in that：Metal interface directly carries out fusion welding with lithium bromide cold and hot water machine group and heat pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425273.XU CN206683270U (en) | 2017-04-21 | 2017-04-21 | A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425273.XU CN206683270U (en) | 2017-04-21 | 2017-04-21 | A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206683270U true CN206683270U (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425273.XU Active CN206683270U (en) | 2017-04-21 | 2017-04-21 | A kind of weldable titanium plate heat exchanger for being used for lithium bromide cold and hot water machine group and heat pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206683270U (en) |
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2017
- 2017-04-21 CN CN201720425273.XU patent/CN206683270U/en active Active
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