CN110421947A - A kind of the hot pressing complex method and heat exchanger plate of heat exchanger plate - Google Patents
A kind of the hot pressing complex method and heat exchanger plate of heat exchanger plate Download PDFInfo
- Publication number
- CN110421947A CN110421947A CN201910694864.0A CN201910694864A CN110421947A CN 110421947 A CN110421947 A CN 110421947A CN 201910694864 A CN201910694864 A CN 201910694864A CN 110421947 A CN110421947 A CN 110421947A
- Authority
- CN
- China
- Prior art keywords
- substrate
- polymer fiber
- fiber material
- heat exchanger
- hot pressing
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
Abstract
The embodiment of the invention provides a kind of hot pressing complex methods of heat exchanger plate, comprising the following steps: step 1: being evenly heated substrate to specific temperature；Step 2: substrate being bonded with polymer fiber material, imposes uniform pressure and certain time；Step 3: the hot pressing that the temperature of the substrate of fitting and polymer fiber material is cooled to room temperature completing substrate and polymer fiber material is compound.The present invention also provides a kind of heat exchanger plates, are prepared according to above-mentioned hot pressing complex method.A kind of hot pressing complex method of heat exchanger plate provided in an embodiment of the present invention is compared with prior art, the simple process, it is at low cost, it is easy to implement mass production, it is particularly suitable for the production of the wet replacement part of indirect evaporation cooler core heat, and the molding heat exchanger plate evaporation efficiency of the present invention is high, good effect of heat exchange, and it is compound secured, it can satisfy the requirement of long-term work under thermal and humidity environment.
Description
Technical field
The present invention relates to the hot pressing complex methods and heat of air-conditioning and textile technology field more particularly to a kind of heat exchanger plate to hand over
Change plate.
Background technique
Evaporative air conditioning system is a kind of air-conditioning using water as refrigerant, reduces air themperature using the evaporation of water,
Efficiency of energy utilization with superelevation is the most hot research topic of air-conditioning.Wherein the heat exchange efficiency of heat exchanger is to influence
The main factor of systematic energy efficiency ratio.Heat exchanger is mainly made of wet channel and dry passage, existing combined type septate heat transfer plate
Manufacture craft is to be bonded metal plate and fabric using marine glue.The characteristics of this complex method is that step is simple, more
It is easy to accomplish.But there is following deficiency: first is that the large area coating quality of marine glue is difficult to control, being easy to appear hollowing increase contact
The problem of thermal resistance；Second is that glue is easy the mesh of blocking fabric, to impact to moisture absorption and volatility；Third is that hot
Adhesive failure and peculiar smell is led to the problem of under wet working environment.
Summary of the invention
The embodiment provides the hot pressing complex methods and heat exchanger plate of a kind of heat exchanger plate, to overcome existing skill
The defect of art.
To achieve the goals above, this invention takes following technical solutions.
A kind of hot pressing complex method of heat exchanger plate, comprising the following steps:
Step 1: being evenly heated substrate to specific temperature；
Step 2: substrate being bonded with polymer fiber material, imposes uniform pressure and certain time；
Step 3: the temperature of the substrate of fitting and polymer fiber material being cooled to room temperature completing substrate and macromolecule is fine
The hot pressing for tieing up material is compound.
Preferably, the step 1 includes:
Before heating the substrate, the substrate is washed with water and is placed on shady place and so air-dries, keeps substrate cleaning water stain-free；
Substrate after air-drying is heated, heating temperature is higher than 5 DEG C of melting temperature of high molecular material, and control errors exist
1 DEG C, the average temperature difference of the substrate surface is no more than 3 DEG C.
Preferably, the step 1 further include: polymer fiber material is using preceding being cleaned.
Preferably, substrate described in the step 1 is metal material, macromolecular fibre material described in the step 2
Material is absorbing fast-drying material.
Preferably, described to be bonded substrate with polymer fiber material, comprising: to will warm up the substrate of melting temperature from adding
Hot platform is removed, while polymer fiber material is covered in substrate surface.
Preferably, described to be bonded substrate with polymer fiber material, comprising: polymer fiber material is covered in heating
To the substrate of melting temperature, pressurizes after 0.5s-1s, substrate and polymer fiber material are removed from heating platform.
Preferably, the step 2 includes: to paste the few porous surface of the polymer fiber material mesh number and the substrate
It closes.
Preferably, the step 2 includes: by the weft direction of the polymer fiber material and the substrate sheet deformation
Big direction is measured to place in the same direction.
Preferably, the step 2 includes:
Uniform pressure is applied to the substrate and polymer fiber material, the pressure is 0.1MPa~0.2MPa, pressure
Duration is 40s~60s.
A kind of heat exchanger plate is prepared according to hot pressing complex method described in above-mentioned any one.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, a kind of heat provided in an embodiment of the present invention is handed over
Change the hot pressing complex method of plate compared with prior art, which is easy to implement mass production, especially suitable
For the production of the wet replacement part of indirect evaporation cooler core heat, and the molding heat exchanger plate evaporation efficiency of the present invention is high, changes
Thermal effect is good, compound secured, can satisfy the requirement of long-term work under thermal and humidity environment.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is a kind of hot pressing complex method flow diagram of heat exchanger plate provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram that heat exchanger plate is prepared using hot pressing complex method；
Fig. 3 is a kind of structural schematic diagram that heat exchanger plate is prepared using hot pressing complex method；
Fig. 4 is a kind of structural schematic diagram that heat exchanger plate is prepared using hot pressing complex method.
Appended drawing reference
1 thin aluminum sheet
2 polymer fiber materials
3 thermal insulation boards
4 heat-insulated pressing plates
Specific embodiment
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in specification of the invention
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or when " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " may include being wirelessly connected or coupling.Wording used herein
"and/or" includes one or more associated any cells for listing item and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, it will not be explained in an idealized or overly formal meaning.
In order to facilitate understanding of embodiments of the present invention, it is done by taking several specific embodiments as an example below in conjunction with attached drawing further
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment 1
The embodiment of the invention provides a kind of hot pressing complex methods of heat exchanger plate, as shown in Figure 1, comprising the following steps:
Step 1: being evenly heated substrate to specific temperature；
Step 2: substrate being bonded with polymer fiber material, imposes uniform pressure and certain time；
Step 3: the temperature of the substrate of fitting and polymer fiber material being cooled to room temperature completing substrate and macromolecule is fine
The hot pressing for tieing up material is compound.
Wherein, substrate uses metal material, and clean surface is smooth, has certain rigidity, and heating conduction is good and resistance to long-term
Water logging can make single side grinding process without corroding before use；Polymer fiber material is generally absorbing fast-drying fabric,
The diffusivity that absorbs water and surface evaporation are functional, and it is width that the cutting of fibrous material, which is long weft direction with warp direction, are cut into
Size identical with substrate；Heating table top temperature accuracy controls within ± 1 DEG C, and surface mean temperature difference is no more than 1 DEG C；It is heated
Cheng Zhong keeps substrate to be close to heating table top, forms good contact, is heated to substrate surface mean temperature difference no more than 3 DEG C；Pressing plate choosing
With high temperature resistant and the small hard material of temperature diffusivity, size is slightly larger than substrate size；Heat side and the macromolecule of metacoxal plate
The less side of fabric mesh number is in close contact, and completes pressing.Heating temperature is generally at 270 DEG C~300 DEG C, the pressure of hot-press solidifying
For 0.1MPa~0.2MPa, the time of hot-press solidifying is 40s~60s.In addition, cooling procedure is generally in room temperature sky in the above method
It is carried out in gas.
Embodiment 2
It is a kind of that heat exchanger plate is prepared using the hot pressing complex method of embodiment 1, as shown in Fig. 2, including the following steps:
(1) it will be cleaned up simultaneously before a kind of volatility and 2 use of polymer fiber material that diffusion has both that absorbs water
It is cut into suitably sized；
(2) thin aluminum sheet 1 that heating conduction and hardness have both is cut into corresponding size and clean surface；
(3) thin aluminum sheet 1 is heated to 300 DEG C with high-precision electric heating platform, plate face mean temperature difference is no more than 3 DEG C；
(4) thin aluminum sheet 1 after heating is taken off and is placed on thermal insulation board 3, at the same time, rapidly by macromolecular fibre material
Expect that the less side of 2 numbers is covered on the surface of thin aluminum sheet 1 downward, and uniformly pressure, aforesaid operations should ensure that with heat-insulated pressing plate 4
It is completed in 5s；It is 0.2MPa that heat-insulated pressing plate 4, which applies pressure to the upper surface of polymer fiber material, and the pressure time is 40s, cold
But it consolidates to room temperature, completes the compound of polymer fiber material 2 and thin aluminum sheet 1.
Advantage of this embodiment is that compound secured, operation temperature is easy to control；Do not change undulation degree substantially most importantly
The moisture absorption of material and volatility, and can preferably anchoring fiber material position, convenient for tiling.
Embodiment 3
It is a kind of that heat exchanger plate is prepared using the hot pressing complex method of embodiment 1, as shown in figure 3, including the following steps:
(1) it will clean up and be cut into before a kind of volatility and 2 use of fibrous material that diffusion has both that absorbs water
It is suitably sized；
(2) thin aluminum sheet 1 that heating conduction and hardness have both is cut into corresponding size and clean surface；
(3) aluminium sheet is heated to 300 DEG C with high-precision electric heating platform, plate face mean temperature difference is no more than 3 DEG C；
(4) the less side of 2 number of polymer fiber material cut is placed in upward on thermal insulation board 3, removes and adds
The good thin aluminum sheet 1 of heat is covered on the surface of polymer fiber material 2, and is uniformly applied with upper surface of the heat-insulated pressing plate 4 to thin aluminum sheet 1
Pressure, pressure 0.2MPa, pressure time are 40s, cooling consolidation to room temperature, and completion polymer fiber material 2 and thin aluminum sheet 1 are answered
It closes.
Advantage of this embodiment is that be not easy to cause to stretch to fibrous material, preferably protect fibrous material moisture absorption and
Volatility；And it can utmostly reduce thermal loss of the thin aluminum sheet in moving process, it is ensured that temperature is uniform.
Embodiment 4
It is a kind of that heat exchanger plate is prepared using the hot pressing complex method of embodiment 1, as shown in figure 4, including the following steps:
(1) it will be cleaned up simultaneously before a kind of volatility and 2 use of polymer fiber material that diffusion has both that absorbs water
It is cut into suitably sized；
(2) thin aluminum sheet 1 that heating conduction and hardness have both is cut into corresponding size and clean surface；
(3) thin aluminum sheet is heated to 270 DEG C with high-precision electric heating platform, thin aluminum sheet plate face mean temperature difference is no more than 3 DEG C；
(4) the less side of 2 number of polymer fiber material is covered on to the plate face of thin aluminum sheet 1 downward, and with heat-insulated pressure
Plate 4 applies 0.01MPa pressure on the surface of polymer fiber material 2, after the 0.5s that uniformly presses, by the macromolecular fibre material of bonding
Material 2 and thin aluminum sheet 1 are removed immediately from electric heating platform, by being placed on thermal insulation board 3 on one side for thin aluminum sheet, then with heat-insulated pressing plate
4 apply 0.2MPa pressure on the surface of polymer fiber material 2, and the pressure time is 60s, and cooling consolidation to room temperature completes high score
The bonding of subbundle material and thin aluminum sheet.
Advantage of this embodiment is that being not easy to cause to stretch to fibrous material, and polymer fiber material and aluminium sheet bonding
It is stronger.
In conclusion the embodiment of the invention provides a kind of hot pressing complex method of heat exchanger plate, by being carried out to substrate
Heating, then curing process is carried out with high molecular material, heating temperature is controllable, and compound secured, product good effect of heat exchange can satisfy
The requirement of long-term work, simple process and low cost are easy to implement mass production under thermal and humidity environment, are particularly suitable for steaming indirectly
Send out the production of the wet replacement part of cooler core heat.
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, module in attached drawing or
Process is not necessarily implemented necessary to the present invention.
Logical all the embodiments in this specification are described in a progressive manner, same and similar between each embodiment
Part may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device
Or for system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to side
The part of method embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the work
It may or may not be physically separated for the unit of separate part description, component shown as a unit can be
Or it may not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be with
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment according to the actual needs.The common skill in this field
Art personnel can understand and implement without creative efforts.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of hot pressing complex method of heat exchanger plate, which comprises the following steps:
Step 1: being evenly heated substrate to specific temperature；
Step 2: substrate being bonded with polymer fiber material, imposes uniform pressure and certain time；
Step 3: the temperature of the substrate of fitting and polymer fiber material is cooled to room temperature completing substrate and macromolecular fibre material
The hot pressing of material is compound.
2. the method according to claim 1, wherein the step 1 includes:
Before heating the substrate, the substrate is washed with water and is placed on shady place and so air-dries, keeps substrate cleaning water stain-free；
Substrate after air-drying heats, and heating temperature is higher than 5 DEG C of melting temperature of high molecular material, control errors at 1 DEG C,
The average temperature difference of the substrate surface is no more than 3 DEG C.
3. according to the method described in claim 2, it is characterized in that, the step 1 further include: before polymer fiber material use
It is cleaned.
4. the method according to claim 1, wherein substrate described in the step 1 be metal material, it is described
Polymer fiber material described in step 2 is absorbing fast-drying material.
5. the method according to claim 1, wherein described be bonded substrate with polymer fiber material, comprising:
The substrate that will warm up melting temperature is removed from heating platform, while polymer fiber material is covered in substrate surface.
6. the method according to claim 1, wherein described be bonded substrate with polymer fiber material, comprising:
Polymer fiber material is covered in the substrate surface for being heated to melting temperature, to polymer fiber material pressurization 0.5s~1s
Afterwards, substrate and polymer fiber material are removed from heating platform.
7. the method according to claim 1, wherein the step 2 includes: by the polymer fiber material mesh
The few porous surface of number is bonded with the substrate.
8. the method according to claim 1, wherein the step 2 includes: by the polymer fiber material
It places in the same direction in the weft direction direction big with the substrate sheet deformation quantity.
9. the method according to claim 1, wherein the step 2 includes:
Uniform pressure is applied to the substrate and polymer fiber material, the pressure is 0.1MPa~0.2MPa, and pressure is lasting
Time is 40s~60s.
10. a kind of heat exchanger plate, which is characterized in that according to claim 1 prepared by hot pressing complex method described in -9 any one
It forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694864.0A CN110421947B (en) | 2019-07-30 | 2019-07-30 | Hot-pressing compounding method of heat exchange plate and heat exchange plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910694864.0A CN110421947B (en) | 2019-07-30 | 2019-07-30 | Hot-pressing compounding method of heat exchange plate and heat exchange plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110421947A true CN110421947A (en) | 2019-11-08 |
| CN110421947B CN110421947B (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910694864.0A Active CN110421947B (en) | 2019-07-30 | 2019-07-30 | Hot-pressing compounding method of heat exchange plate and heat exchange plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113442362A (en) * | 2021-06-18 | 2021-09-28 | 澳蓝（福建）实业有限公司 | Processing method of high-molecular indirect evaporation core |
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| CN101144697A (en) * | 2007-10-31 | 2008-03-19 | 西安工程大学 | Reinforced tube type indirect evaporation cooler heat exchanging tube outer heat and mass transfer method |
| CN202126197U (en) * | 2011-01-10 | 2012-01-25 | 北京富雷实业有限公司 | Air plate type total heat exchanger capable of conducting damp and hot exchange |
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| Publication number | Publication date |
|---|---|
| CN110421947B (en) | 2022-01-11 |
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