CN207471850U - A kind of evaporation cold heat exchanger - Google Patents
A kind of evaporation cold heat exchanger Download PDFInfo
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- CN207471850U CN207471850U CN201721559065.5U CN201721559065U CN207471850U CN 207471850 U CN207471850 U CN 207471850U CN 201721559065 U CN201721559065 U CN 201721559065U CN 207471850 U CN207471850 U CN 207471850U
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- heat exchanger
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Abstract
The utility model belongs to refrigerating field more particularly to evaporation cold heat exchanger.A kind of evaporation cold heat exchanger, including heat exchanger plates, connecting tube and heat exchanger plates collector, heat exchange plate hole is evenly distributed on heat exchanger plates collector, connecting tube is plugged in heat exchange plate hole, heat exchanger plates are symmetrically equipped with connecting tube in upper and lower side, connecting tube is plugged in heat exchange plate hole, and heat exchange plate is provided on the heat exchanger plates between connecting tube.By being fixed with corrugated fin up and down between heat exchange plate, there are micro gaps to be not directly contacted with for corrugated fin and heat exchange plate, it is disturbed when outdoor circulating wind is flowed through between plate by corrugated fin and strengthens the air side coefficient of heat transfer, in promoting moisture constantly from heat exchanger fin surface evaporation to air, the water capacity of air is discharged in increase by wind turbine, takes away the evaporation latent heat of more water.
Description
Technical field
The utility model belongs to refrigerating field more particularly to evaporation cold heat exchanger.
Background technology
Evaporative condenser is called devaporizer, is to make cooling medium with water and air, and vapour is taken away using the evaporation of water
The cooling heat of state refrigerant.Cooling water is pumped to cooling tube group upper nozzle by water during work, equably sprays in cooling coil
Outer surface, formed one layer of very thin moisture film, high temperature vaporized refrigerant by cooling coil group top enter, by pipe outside cooling water inhale
It receives heat and is cooled to liquid from lower part outflow, the water part for absorbing heat is evaporated to water vapour, remaining is fallen in lower part water-collecting tray
Interior, water supply pump recycles, and wind turbine forced air skims over cooling coil with the speed of 3-5m/s and promotes water film evaporation, strengthens cooling
The outer heat release of pipe, and the water droplet after heat absorption is made to be arranged in the process of whereabouts by air cooling, the water vapour of evaporation with air by wind turbine
Go out, the water droplet not being evaporated, which is dehydrated device and stops, drops back into water pond.
Evaporative condenser is a kind of energy-efficient heat transmission equipment, since heat transfer efficiency is high, compact-sized and installation side
Just the advantages that, has been widely used in the industries such as oil, chemical industry, food, pharmacy, refrigeration and heating at present.Vaporation-type is cold
Condenser is using air and water as cooling medium, and refrigeration is realized using the heat of refrigerant gas is absorbed during the cooling water evaporation of part
The condensation of agent.Traditional evaporative condenser, as heat exchanger component, is deposited mostly using 1, steel disk pipe or copper pipe between tube bank
The surface that the abundant drop leaching that cooling circulating water cannot be from top to down soaks each heat exchanger tube is being disturbed by circulated air, outside heat exchanger tube
Surface makes water droplet spread out rapidly to form very thin water side liquid film without special construction, and there is the dry area heat exchange effect for not dripping to water
The problem of fruit is poor, heat exchanger tube consider that processing and strength problem are all using bigbore heavy wall light pipe, and refrigerant side heat exchange does not have
Strengthen, laminar flow phenomenon is apparent, and it is very poor not reach turbulent condition heat transfer effect.2nd, it is bonded using heat exchanger tube and metal sheet compound
Heat exchanger component, although spray recirculated water can continuously be flowed along metallic plate, refrigerant is to walk in pipe, only
It can be by exchange heat tube wall and geomantic omen transmission of heat by contact, without refrigerant so heat exchanger overall space heat exchange area utilization rate in plate
Low, heat transfer resistance is big.3rd, inflation goes out coolant channel between the metal sheet of the sealing after two welding, and processing technology is complicated,
Consider to propel the price of iron plate and the steel plate that strength problem can only use wall thickness thicker, material surface is by the zinc-plated such material of spraying of anti-corrosion
Thermal conductivity is poor, and refrigerant side runner is big and poor without enhanced heat exchange effect, and plate Wai Shui sides are not easily formed very thin without specially treated
Tablet liquid film overcomes surface tension to be evaporated in circulation air after being unfavorable for water heat absorption.
Three of the above heat exchanger form is all there are surface scale, complex manufacturing process, manufacture is of high cost and cleans difficulty
Problem, this is because the impurity evaporated in the minerals and air in water can cause structure, corrosion and mud deposition, so as to reduce
Heat transfer efficiency, cleaning is difficult, increases operating cost.There are complicated, high processing costs, welderings for some evaporative condensers simultaneously
Solder skip mostly easily occurs for contact or opens to meet the shortcomings that refrigerant is caused to leak.
Utility model content
Technical problem to be solved in the utility model is：In view of the deficienciess of the prior art, provide a kind of structure letter
Single, low manufacture cost, while surface scale can be eliminated, realize the cold heat exchange of microplate falling film evaporation of low condensation temperature highly effective refrigeration
Device.
To realize the purpose of the utility model, it is achieved using following technical scheme：
A kind of evaporation cold heat exchanger including heat exchanger plates, connecting tube and heat exchanger plates collector, is evenly distributed on heat exchanger plates collector
Exchange heat plate hole, and connecting tube is plugged in heat exchange plate hole, and for heat exchanger plates in upper and lower side symmetrically equipped with connecting tube, connecting tube is plugged on heat exchange
In plate hole, it is provided with heat exchange plate on the heat exchanger plates between connecting tube, the heat exchange plate inlays that be connected into one whole for polylith plate
Block plate is mounted on the miniature liquid homogenizer between the connecting tube of top, fluid hole is uniformly provided on miniature liquid homogenizer,
The fluid hole is two rows, is in triangular arranged between three adjacent fluid holes, the bottom of miniature liquid homogenizer is all connected with
There is corrugated fin, corrugated fin is arranged between the heat exchange plate, between corrugated fin and both sides heat exchange plate have
Gap, the other end of corrugated fin are fixed in the connecting tube of opposite side, and the inner homogeneous of the heat exchange plate is distributed with more
The minim channel being vertically arranged.
Preferably, the heat exchanger plates of multi-disc are connected by fixed plate, and the other end of heat exchanger plates is equipped with threaded hole,
Threaded hole is plugged in the mounting hole of fixed plate.
Preferably, the minim channel is dentalation.
Preferably, the section of each minim channel is less than 10 square millimeters.
Compared with prior art, the beneficial effects of the utility model are：By being fixed with wave up and down between heat exchange plate
Line shape fin, there are micro gaps to be not directly contacted with for corrugated fin and heat exchange plate, when outdoor circulating wind is flowed through between plate
By corrugated fin disturb strengthen the air side coefficient of heat transfer, in promoting moisture constantly from heat exchanger fin surface evaporation to air, increase by
Wind turbine discharges the water capacity of air, takes away the evaporation latent heat of more water；Cooling water side Falling film heat transfer, in condensing heat-exchange process
In, the refrigerant in heat exchange plate is alongst provided with while exchanging heat with wind side in each miniature liquid homogenizer wall both sides
The fluid hole of triangular arranged, water are sprayed from miniature liquid homogenizer both sides fluid hole onto the surface of each heat exchange plate, phase
Corrugated fin among adjacent heat exchange plate is not directly contacted with gap of the heat exchange plate there are very little, neither influences cooling water in this way
Playing the role of disturbance to water side flow reaches the turbulent fortified water side coefficient of heat transfer again for flowing from top to down, and circulated air is by heat exchanger
Enter between heat exchanger plate above the outside of plate, by interior side-lower outflow heat exchanger, so into the air between heat exchange plate
Downward drainage is played to moisture film with reference to moisture film its own gravity, due to being coated with one layer of high-density, robust on heat exchange plate surface
The super hydrophilic aluminized coating of nano anti-corrosive, the contact angle of water droplet and nano coating is small, and water can be quickly on plate be horizontal and vertical
Uniformly spread out to form very thin moisture film, not only contributed to reduce heat transfer resistance but also contribute to moisture overcome surface tension of liquid rapidly with
The air contact of low humidity is evaporated in air, makes to be attached to material surface simultaneously because the contact angle of water droplet and nano coating is small
Dust, dirt float and as moisture film gravity slides quickly, avoid heat exchanger fin surface smut deposit；Part water evaporation is steamed into water
Vapour is discharged into air, which has occurred phase transformation, and hydrone absorbs the amount of latent heat of a large amount of gaseous refrigerant, non-phase transformation
Coolant-temperature gage is further cooled circulated sprinkling by bottom filling by outdoor air, then ensure that refrigerant always in low temperature
Lower heat exchange realizes the highly effective refrigeration of low condensation temperature；Using the aluminum alloy materials with hydrophilic corrosion-inhibiting coating, condensation side microchannel
The refrigerant side coefficient of heat transfer is strengthened in heat exchange design, increases and geomantic omen side contacts area.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model heat exchanger plates 1；
Fig. 3 is the structure diagram of the miniature liquid homogenizer 2 of the utility model；
Fig. 4 is the structure diagram of the utility model corrugated fin 4；
Fig. 5 is the structure diagram of the utility model fixed plate 5；
Fig. 6 is the structure diagram of the utility model minim channel 1-5；
Fig. 7 is the minim channel 1-5 structure diagrams of the utility model dentalation；
Fig. 8 is the structure diagram of miniature 2 plane of liquid homogenizer of the utility model.
Specific embodiment
Specific embodiment of the present utility model is made a detailed explanation below according to attached drawing 1-8.
A kind of evaporation cold heat exchanger, it is uniform on heat exchanger plates collector 3 including heat exchanger plates 1, connecting tube 1-2 and heat exchanger plates collector 3
Heat exchange plate hole 3-1 is distributed with, heat exchanger plates 1 are plugged in heat exchange plate hole 3-1, and heat exchanger plates 1 are symmetrically equipped with connecting tube 1- in upper and lower side
It is provided with heat exchange plate 1-3 on heat exchanger plates 1 between 2, connecting tube 1-2, heat exchange plate 1-3 inlays that be connected into one whole for polylith plate
The more connecting tubes of minim channel 1-5, wherein side being vertically arranged are distributed in block plate, the inner homogeneous of heat exchange plate 1-3
The miniature liquid homogenizer 2 is mounted between 1-2, fluid hole 2-1, miniature liquid homogenizer 2-1 are uniformly provided on miniature liquid homogenizer 2
Bottom be respectively connected with corrugated fin 4, the other end of corrugated fin 4 is fixed on the connecting tube 1-2 of opposite side, described to change
Hot plate piece 1-3 surfaces are coated with the super hydrophilic aluminized coating of nano anti-corrosive of one layer of high-density, robust, and the corrugated fin 4 is arranged on institute
Between stating heat exchange plate 1-3, corrugated fin 4 and both sides heat exchange plate 1-3 is equipped with gap, wherein the heat exchange plate 1-3
The plate being one of the forming, this structure is larger in pre-production technology difficulty, but to beat the diffusion effect behind surface best for water.It is described
Heat exchange plate 1-3 is inlayed for polylith plate is connected into a whole plate piece, and it is in order to which flow is not interrupted, so selection is inlayed to reduce gap
The mode of welding.
During condensing heat-exchange, cooling circulating water is sprayed on heat exchanger, is made simultaneously by the total spray tube of the first order
Cryogen enters from the heat exchanger plates collector 3 above heat exchanger plates 1 inside heat exchange plate 1-3, and minim channel 1- is flowed by connecting tube 1-2
In 5, finally flowed out from the connecting tube 1-2 of lower end, and 3 outflow heat exchanger of heat exchanger plates collector from below.Top enters heat exchanger
Cooling circulating water flow into miniature liquid homogenizer 2, overflowed after collecting full water from fluid hole 2-1, water can flow to both sides heat exchange plate 1-3
Surface on or stream in corrugated fin 4, due to waving for wind, the water in corrugated fin 4 can also while flowing downward
It flows on the heat exchange plate 1-3 surfaces of both sides, the few cooling circulating water of final residual enters the water collector of heat exchanger lower part again
It is inhaled into and returns in spray tube, recycling is sprayed again.
Fluid hole 2-1 is two rows of, in triangular arranged, the heat exchanger plates of multi-disc between three adjacent fluid holes
1 is connected by fixed plate 5, and the other end of heat exchanger plates 1 is equipped with threaded hole 1-4, and threaded hole 1-4 is plugged on the mounting hole of fixed plate 5
In 5-1.Such shunting effect is more preferable, and water is flowed in corrugated fin 4 evenly.
Claims (4)
1. a kind of evaporation cold heat exchanger, which is characterized in that including heat exchanger plates, connecting tube and heat exchanger plates collector, on heat exchanger plates collector
Heat exchange plate hole is evenly distributed with, heat exchanger plates are in upper and lower side symmetrically equipped with connecting tube, and connecting tube is plugged in heat exchange plate hole, connecting tube
Between heat exchanger plates on be provided with heat exchange plate, the heat exchange plate is inlayed for polylith plate is connected into a monoblock plate, top institute
It states and is mounted on miniature liquid homogenizer between connecting tube, be uniformly provided with fluid hole on miniature liquid homogenizer, the fluid hole is two rows, phase
In triangular arranged between three adjacent fluid holes, the bottom of miniature liquid homogenizer is respectively connected with corrugated fin, corrugated
Fin is arranged between the heat exchange plate, and corrugated fin and both sides heat exchange plate have a gap, corrugated fin it is another
End is fixed in the connecting tube of opposite side, and the more minim channels being vertically arranged are distributed in the inner homogeneous of the heat exchange plate.
2. a kind of evaporation cold heat exchanger according to claim 1, which is characterized in that the heat exchanger plates of multi-disc pass through fixation
Plate connects, and the other end of heat exchanger plates is equipped with threaded hole, and threaded hole is plugged in the mounting hole of fixed plate.
3. a kind of evaporation cold heat exchanger according to claim 1, which is characterized in that the minim channel is dentalation.
4. a kind of evaporation cold heat exchanger according to claim 3, which is characterized in that the section of each minim channel is small
In 10 square millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559065.5U CN207471850U (en) | 2017-11-20 | 2017-11-20 | A kind of evaporation cold heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721559065.5U CN207471850U (en) | 2017-11-20 | 2017-11-20 | A kind of evaporation cold heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207471850U true CN207471850U (en) | 2018-06-08 |
Family
ID=62261689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721559065.5U Active CN207471850U (en) | 2017-11-20 | 2017-11-20 | A kind of evaporation cold heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207471850U (en) |
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2017
- 2017-11-20 CN CN201721559065.5U patent/CN207471850U/en active Active
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