CN106802026A - Absorption refrigeration unit shallow-slot type heat exchange mechanisms - Google Patents
Absorption refrigeration unit shallow-slot type heat exchange mechanisms Download PDFInfo
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- CN106802026A CN106802026A CN201510843932.7A CN201510843932A CN106802026A CN 106802026 A CN106802026 A CN 106802026A CN 201510843932 A CN201510843932 A CN 201510843932A CN 106802026 A CN106802026 A CN 106802026A
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- heat exchange
- shallow
- heat exchanger
- slot type
- solution
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 60
- 238000005057 refrigeration Methods 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 239000007921 spray Substances 0.000 claims abstract description 13
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 38
- 229940059936 lithium bromide Drugs 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 230000031709 bromination Effects 0.000 claims description 2
- 238000005893 bromination reaction Methods 0.000 claims description 2
- 230000029142 excretion Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000008595 infiltration Effects 0.000 claims description 2
- 238000001764 infiltration Methods 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B35/00—Boiler-absorbers, i.e. boilers usable for absorption or adsorption
- F25B35/02—Boiler-absorbers, i.e. boilers usable for absorption or adsorption using a liquid as sorbent, e.g. brine
-
- 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
-
- 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
Abstract
A kind of absorption refrigeration unit shallow-slot type heat exchange mechanisms and the refrigeration unit using the heat exchange mechanisms and refrigeration matrix, heat exchange mechanisms include：Shallow-slot type heat exchanger, guiding gutter and the set of heat exchange tubes arranged in levels by some rows into；Solution dispenser, is arranged on the shallow-slot type heat exchanger top；The solution dispenser is enclosed type cuboid, and inside is cavity, and bottom is spray solution face, shallow-slot type heat exchanger upper surface spray solution downwards.Shallow-slot type heat exchange mechanisms of the invention make solution fully infiltrate heat exchanger tube, effectively eliminate dry spot phenomenon, and reduce the splash phenomena of solution；Solution is flowed along " it " font path for lengthening, not only increased the contact heat-exchanging time with heat exchanger tube but also produced turbulent flow, be conducive to improving heat exchange efficiency；Simplify solution dispenser structure, realize the reduction of heat exchanger and solution dispenser volume, facilitate views with the absorption refrigeration unit small-sized of the heat exchange mechanisms.
Description
Technical field
The present invention relates to lithium-bromide absorption-type refrigerating machine production field, being related specifically to can be used as refrigeration square
The small absorption refrigeration machine and its shallow-slot type heat exchange mechanisms of inside of battle array separate unit.
Background technology
Absorption Refrigerator has the advantages that energy-saving and environmental protection, it is easy to use solar energy and industrial exhaust heat used heat
Deng novel energy, continuous development has been obtained.Miniaturization, family oriented would is that it is put to commercial Application neck
Another trend behind domain.
Lithium-bromide absorption-type refrigerating machine is with pure water as refrigerant, i.e., to be evaporated under high vacuum environment by pure water
Refrigerating function is realized in heat absorption.Refrigerant steam after heat absorption evaporation is brominated lithium solution and absorbs, carries, adds
Hot recycling, condensation, after becoming liquid again again, heat absorption evaporation, endlessly carries out kind of refrigeration cycle again.
On the one hand, during completing above-mentioned circulation, along with multiple heat exchange or transfer, thus,
There are various heat exchangers in Absorption Refrigerator.The heat exchange structure of most common heat exchanger is shell-and-tube, if
There is Multi-layer exchanging heat pipe, in order that Absorption Refrigerator effectively works, it is necessary to reliably, equably by solution spray
It is spread across in heat exchange pipe surface.
The device for realizing spray solution function is solution dispenser.In traditional Absorption Refrigerator,
Because heat exchange caliber is typically relatively thicker, solution dispenser is erected at the top of shell-and-tube heat exchanger, and solution is equal
The heat exchange pipe external surface for most pushing up a row is sprayed onto evenly, and hereafter, solution flows successively by the effect of gravity
Cross the outer surface for dividing into each discharge pipe.In order to reduce dry spot phenomenon to improve heat exchange efficiency, it is desirable to solution point
With uniform, accurate, so that solution dispenser complex structure, production cost are high and are difficult to minimize.
On the other hand, limited by the physicochemical properties of pure water, the evaporating temperature of evaporator is typically set in
5 DEG C or so.Accordingly, the saturation pressure of evaporator inner chamber is maintained at 872Pa or so.With atmospheric pressure
(101KPa) is compared, and refrigeration machine is under high vacuum environment, very high to air-tightness requirement.In order to ensure
Air-tightness under high vacuum, traditional large scale industry type Absorption Refrigerator it is most using thick and heavy steel plate or
Person's casting is equipped with the relatively thick copper pipe of caliber as heat exchanger tube as the housing of refrigeration machine, forms conventional
Shell-and-tube heat exchanger structure.Therefore, it is volume big the characteristics of industrial Absorption Refrigerator, weight weight,
And be easy to be brominated lithium solution corrosion and produce on-condensible gas.
During miniaturization, family oriented, a stubborn problem is：With the reduction of refrigeration work consumption,
The internal circulating load of required refrigerant and the internal circulating load of lithium-bromide solution are also decreased, and correspondingly occur changing
Heat pipe outer surface can not be sufficiently humidified so as to by refrigerant or lithium-bromide solution and the unfavorable phenomenon of " dry spot " occurs.
In order to avoid there is dry spot, traditional Absorption Refrigerator generally requires the flow for increasing circulating pump,
The liquid far more than actual cycle amount, constantly from the hydrops pond of regenerator or absorber bottom
Spray onto the heat exchanger tube at top.
The flow of meaningless increase circulating pump, increased parasitic energy consumption and operating cost.Also run counter to
The trend that Absorption Refrigerator develops to miniaturization, family oriented.
The content of the invention
The present invention is in order to solve the above technical problems, the first purpose, is for absorption refrigeration unit is provided
A kind of heat exchanger effectiveness heat exchange mechanisms high.The heat exchange mechanisms, are to include shallow-slot type heat exchanger and solution
Distributor freezes in interior absorption refrigeration unit shallow-slot type heat exchange mechanisms for generator and absorber etc.
Assembly of elements.So-called absorption refrigeration unit, refers to the small-sized lithium bromide with complete refrigerating function and inhales
Receipts formula refrigeration machine, can be used alone, and also possess the ability that combination is extended to extensive refrigeration matrix.
Concrete technical scheme is as follows：
A kind of absorption refrigeration unit shallow-slot type heat exchange mechanisms, including：
Shallow-slot type heat exchanger, guiding gutter and the set of heat exchange tubes arranged in levels by some rows into；
Solution dispenser, is arranged on the shallow-slot type heat exchanger top；
The solution dispenser is enclosed type cuboid, and inside is cavity, and bottom is spray solution face, to
The shallow-slot type heat exchanger upper surface spray solution of lower section.
Further, the guiding gutter is rectangular shallow slot, is set with described heat exchanger tube intersecting；
The heat exchanger tube is arranged on the guiding gutter top, and the arrangement plane of the heat exchanger tube is parallel with groove bottom.
Further, in the heat exchanger tube flows outside, water flows lithium-bromide solution inside the heat exchanger tube
It is logical；
When lithium-bromide solution is contacted with the heat exchanger tube, there is heat exchange with the water inside heat exchanger tube；
The guiding gutter causes that the flow path of lithium-bromide solution constitutes " it " font, for extending bromination
The heat exchanger time of lithium solution and heat exchanger tube simultaneously produces turbulent flow.
Further, the lateral edges in the guiding gutter are provided with ramp type liquid islocation plate, for retaining drop,
Gas is only allowed to pass through.
Further, in the upper and lower surface of the guiding gutter, it is provided with the water conservancy diversion groove edge in certain
The support bar of angle, the support bar is used to support upper and lower pipeline, and changes lithium-bromide solution in guiding gutter
Flow direction, produce turbulent flow.
Further, the support bar and the angle of water conservancy diversion groove edge are 45 ° to 135 °.
Further, the shallow-slot type heat exchanger uses infiltration type heat exchange mode, at the bottom of the guiding gutter
Portion, is distributed with some excretion discharge orifices, lithium-bromide solution is flowed to lower floor's guiding gutter, and keep lithium bromide molten
Immersion there is not heat exchanger tube.
Further, the discharge orifice in the vertical direction on adjacent two layers guiding gutter is mutually staggered.
Further, set and solution dispenser edge inside the solution dispenser and on the outside of spraying area
Support bar in a certain angle, the support bar is used to support solution dispenser internal cavity and bottom to exchange heat
Pipe, to bear the pressure produced by vacuum.
Further, adjacent two rows support bar is in opposite direction with the angle at the solution dispenser edge.
Further, spray solution face size is identical with shallow-slot type heat exchanger upper surface；
Some discharge orifices are set in the spray solution face of the solution dispenser, solution is uniformly distributed to
The heat exchange pipe surface of bottom so that when solution successively flows through every row's heat exchanger tube from top to bottom with heat exchanger tube inside
Heat exchange fluid occur heat exchange.
Further, the discharge orifice is rectangle hole.
Further, the discharge orifice is horizontally installed on solution dispenser spraying area, positioned at adjacent supports bar
Between.
Further, the solution dispenser of shallow-slot type heat exchange mechanisms and the guiding gutter is respectively arranged, all
It is made up of engineering plastics；Heat exchanger tube is made of stainless steel material.
The second object of the present invention, is to provide a kind of absorption refrigeration unit, including weigh previously described
Absorption refrigeration unit shallow-slot type heat exchange mechanisms.
The third object of the present invention, is to provide a kind of absorption refrigeration matrix, including multiple absorption systems
Cold unit；
The absorption refrigeration unit includes previously described absorption refrigeration unit shallow-slot type heat exchange mechanisms.
The beneficial effects of the present invention are：
The present invention makes solution fully infiltrate heat exchanger tube, effectively eliminates dry spot phenomenon, and reduce the splashing of solution
Phenomenon；Solution is set to be flowed along " it " font path for lengthening, when both having increased the contact heat-exchanging with heat exchanger tube
Between again produce turbulent flow, be conducive to improve heat exchange efficiency；Simplify solution dispenser structure, realize heat exchanger and
The reduction of solution dispenser volume, facilitates views with the absorption refrigeration unit small-sized of the heat exchange mechanisms.
Brief description of the drawings
Fig. 1 is the cross-section parts topology view of absorption refrigeration unit shallow-slot type heat exchange mechanisms of the present invention；
Fig. 2 is that absorption refrigeration unit shallow-slot type heat exchange mechanisms of the present invention have removed the assembling after part of devices
Stereogram；
Fig. 3 is to have removed absorption refrigeration unit shallow-slot type heat exchange mechanisms assembling explosive view after part of devices；
Fig. 4 is the arrangement architecture schematic diagram of absorption refrigeration unit shallow-slot type heat exchange mechanisms heat exchanger tube of the present invention.
Wherein figure middle part minute mark note is as follows：
Solution dispenser 101；
Heat exchanger tube 102；
Head row's guiding gutters 103；
Second row guiding gutter 104；
Liquid islocation plate 105；
Condenser/absorber 106；
The bottom 207 of solution dispenser 101；
Support bar 208；
Discharge orifice 209；
The lower curtate 210 of head row's guiding gutters 103；
Heat exchanger tube 504,506,508.
Specific embodiment
Accompanying drawing constitutes the part of this specification；Below with reference to the accompanying drawings to various specific implementations of the invention
Mode is described.It should be appreciated that for convenience of explanation, present invention uses the art for representing direction
Language, "front", "rear", " on ", D score, "left", "right" etc. of the invention various show described
Example structure division and element, but these direction terms are only to come according to example orientations shown in accompanying drawing
Determine.Because disclosed embodiment of this invention can be set according to different directions, so these tables
Show that the term in direction is intended only as illustrating and should not be considered as limitation.In the conceived case, in the present invention
The identical or similar reference for using, refers to identical part.
Fig. 1 is the cross-section parts topology view of absorption refrigeration unit shallow-slot type heat exchange mechanisms of the present invention.
Absorption refrigeration unit shallow-slot type heat exchange mechanisms are applied to regenerator and the absorption of refrigeration unit simultaneously
Device.The effect of regenerator is the heat exchanger tube (in Fig. 1 102) for having hot water using internal circulation to lithium bromide
Weak solution is heated, and the hydrone in weak solution is constantly vaporized, and vapor is condensed into condenser
Chilled water；And the effect of absorber is the heat exchanger tube (in Fig. 1 102) for having cooling water using internal circulation
Lithium bromide concentrated solution is cooled down, declines the superficial vapor pressure of concentrated solution, so that solution is continuous
The refrigerant vapor for coming is flowed in absorbing evaporator in ground.Absorption refrigeration unit shallow-slot type heat exchange mechanisms of the invention
Both heat dilute solution is applicable, and suitable for cooling concentrated solution.Heat exchange structure under two kinds of applications is identical.
Hereafter it is described by taking regenerator as an example.
Fig. 1 shows the part-structure view of absorption refrigeration unit shallow-slot type heat exchange mechanisms cross section, figure
Middle regenerator 100 includes：Solution dispenser 101, heat exchanger tube 102 (see Fig. 4), first row's guiding gutter 103,
Second row guiding gutter 104 and liquid islocation plate 105.
In fact, regenerator 100 is in horizontal and vertical directions dense arrangement institute by many heat exchanger tubes
The pipe shell type heat exchange structure of composition, we are vertically from top to bottom layered these heat exchanger tubes.Fig. 1
In present only 3 layers of arrangement of heat exchanger tube, below some Rotating fields it is same, it is therefore not shown.Heat exchange
The internal circulation of pipe 102 has hot water, is heated for exchanging the weak solution that heat pipe outflowed.
Guiding gutter 103,104 is set between every layer of heat exchanger tube, and guiding gutter 103,104 not only acts as water conservancy diversion
Effect, is additionally operable to support the heat exchanger tube in the face of being positioned on, with heat exchange when weak solution flows through from guiding gutter
Pipe is contacted, and flow is more long, and the time of the contact that exchanges heat is more long, and the effect of heat exchange is better.
Be provided with solution dispenser 101 on top layer guiding gutter 103, the structure of solution dispenser 101 with lead
Chute 103,104 is similar, and heat exchanger tube is not disposed thereon, is provided with some discharge orifices 209 (referring to Fig. 2),
The weak solution flowed through in solution dispenser 101 can be assigned to discharge orifice 209 the top layer guiding gutter of lower section
Heat exchange pipe surface on 103.
It is condenser 106 in the side of regenerator 100, moisture in the weak solution continuous quilt in regenerator 100
Evaporation forms vapor, and vapor needs to enter heat release in condenser 106 and condenses, but the water in vapor
Drop can not enter condenser 106, so ramp type is provided with every liquid in the side end margin near condenser 106
Plate 105, for retaining the drop carried secretly in the refrigerant vapor that weak solution is evaporated, before only allowing refrigerant vapor
Toward condenser 106.
Fig. 2 is that absorption refrigeration unit shallow-slot type heat exchange mechanisms of the present invention have removed part of devices (including portion
The assembling stereogram divided after heat exchanger tube 102 and solution dispenser 101.
First row's guiding gutter 103 can be intuitively seen in Fig. 2, is replaced on the bottom land two sides of guiding gutter 103
It is provided with the edge of guiding gutter 103 in 45 ° to 135 ° some row's support bars 208 of angle, the support bar
208 are used to support heat exchanger tube to bear vacuum Asia power, and cause the weak solution of the flowing in guiding gutter 103
Change flow direction, produce turbulent flow.
The bottom of guiding gutter 103 is additionally provided with some discharge orifices 209, and discharge orifice 209 is used for weak solution equably
It is assigned on the heat exchanger tube 102 of lower section；From figure 2 it can be seen that discharge orifice 209 is rectangle, with
Support bar 208 is arranged alternately, and weak solution is flowed into through often arranging after support bar 208 is disturbed from discharge orifice 209
Lower floor's guiding gutter.The support bar 208 and the collective effect of discharge orifice 209 of the bottom of guiding gutter 103 so that
The weak solution of flowing homogeneous immersion heat exchanger tube and can make solution produce turbulent flow in guiding gutter 103, improve
Heat exchange efficiency.
Fig. 3 is to have removed part of devices (including heat exchanger tube) absorption refrigeration unit shallow-slot type heat exchanger afterwards
Structure assembles explosive view.
Ground floor is solution dispenser 101 in Fig. 3, and the second layer is first floor guiding gutter 103, under third layer is
Layer guiding gutter 104, describes weak solution through solution dispenser 101 and guiding gutter by taking three layers of flow-guiding structure as an example
Glide path after 103 water conservancy diversion.
Discharge orifice on adjacent two layers guiding gutter (being 103,104 in figure), and solution dispenser 101
On discharge orifice 209 mutually stagger in vertical direction, with avoid upper strata discharge orifice from dripping weak solution not and
Fully exchanged heat with heat exchanger tube and more lower is directly just dripped to by lower floor's discharge orifice；While discharge orifice 209 and branch
The cooperation of stay causes that weak solution flowing under gravity constitutes " it " font flow, such as arrow in figure
Shown in the flow path of head A, the heat exchanger time for extending weak solution and heat exchanger tube.This structure is compeled
Solution is set constantly to be altered course in guiding gutter 103,104, local turbulent flow is enhanced between solution and heat exchanger tube
Convective heat-transfer coefficient.
This shallow-slot type heat exchange mechanisms, ensure that solution submerges heat exchanger tube all the time, be soaked with heat exchanger tube
Do not have formula to exchange heat.The multiple pumping of solution pump needn't be relied on to ensure contact of the solution with heat exchanger tube.It is this only
The shallow-slot type heat exchange mechanisms of disposable pumping are needed, solution pump parasitic power consumption can be saved.
Fig. 4 is the arrangement architecture schematic diagram of absorption refrigeration unit shallow-slot type heat exchange mechanisms heat exchanger tube of the present invention；
Fig. 4 show the cross-sectional structure schematic diagram of two row's heat exchanger tubes, in same layer, adjacent heat exchanger tube
504 and 506 center of circle is 4mm apart from D；In levels, the circle of adjacent heat exchanger tube 506 and 508
Heart distance is 7mm.Heat exchanger tube all uses identical 3mm calibers, and this superfine heat exchanger tube is plus with tightly
The arrangement architecture for gathering obtains high heat transfer area in unit volume, improves the efficiency of heat exchanger.
Solution dispenser in regenerator 100, guiding gutter with Strong corrosion resistant, be easy to shaping work
Engineering plastics are made, and effectively alleviate the weight of refrigeration unit.Heat exchanger tube is made of stainless steel material,
Improve corrosion resistance and air-tightness has been effectively ensured.
Although present invention is described for the specific embodiment shown in refer to the attached drawing, should manage
Solution, without departing substantially from present invention teach that spirit, scope and background under, absorption refrigeration unit of the invention
Shallow-slot type heat exchange mechanisms and the refrigeration unit using the heat exchange mechanisms and refrigeration matrix can have many change shapes
Formula.Those of ordinary skill will additionally appreciate different modes to change institute's public affairs of the invention in art technology
Parameter, size in the embodiment opened, but this each fall within the present invention and spirit and scope by the claims in.
Claims (16)
1. a kind of absorption refrigeration unit shallow-slot type heat exchange mechanisms, it is characterised in that including：
Shallow-slot type heat exchanger, guiding gutter and the set of heat exchange tubes arranged in levels by some rows into；
Solution dispenser, is arranged on the shallow-slot type heat exchanger top；
The solution dispenser is enclosed type cuboid, and inside is cavity, and bottom is spray solution face, to
The shallow-slot type heat exchanger upper surface spray solution of lower section.
2. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
The guiding gutter is rectangular shallow slot, is set with described heat exchanger tube intersecting；
The heat exchanger tube is arranged on the guiding gutter top, and the arrangement plane of the heat exchanger tube is put down with groove bottom
OK.
3. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
, in the heat exchanger tube flows outside, water is in the heat exchanger tube internal circulation for lithium-bromide solution；
When lithium-bromide solution is contacted with the heat exchanger tube, there is heat exchange with the water inside heat exchanger tube；
The guiding gutter causes that the flow path of lithium-bromide solution constitutes " it " font, for extending bromination
The heat exchanger time of lithium solution and heat exchanger tube simultaneously produces turbulent flow.
4. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
Ramp type liquid islocation plate is provided with a lateral edges of the guiding gutter, for retaining drop, gas is only allowed
Body passes through.
5. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
In the upper and lower surface of the guiding gutter, the support in a certain angle with the water conservancy diversion groove edge is provided with
Bar, the support bar is used to support upper and lower pipeline, and changes the flow direction of lithium-bromide solution in guiding gutter,
Produce turbulent flow.
6. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 5, it is characterised in that：
The support bar is 45 ° to 135 ° with the angle of water conservancy diversion groove edge.
7. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
The shallow-slot type heat exchanger uses infiltration type heat exchange mode, in the bottom of the guiding gutter, is distributed with
Some excretion discharge orifices, make lithium-bromide solution flow to lower floor's guiding gutter, and keep lithium-bromide solution to submerge heat exchange
Pipe.
8. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 7, it is characterised in that：
Discharge orifice in the vertical direction on adjacent two layers guiding gutter is mutually staggered.
9. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
Set inside the solution dispenser and on the outside of spraying area in a certain angle with solution dispenser edge
Support bar, the support bar be used for support solution dispenser internal cavity and bottom heat exchanger tube, to bear
Pressure produced by vacuum.
10. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 9, it is characterised in that：
Adjacent two rows support bar is in opposite direction with the angle at the solution dispenser edge.
11. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 1, it is characterised in that：
Spray solution face size is identical with shallow-slot type heat exchanger upper surface；
Some discharge orifices are set in the spray solution face of the solution dispenser, solution is uniformly distributed to
The heat exchange pipe surface of bottom so that when solution successively flows through every row's heat exchanger tube from top to bottom with heat exchanger tube inside
Heat exchange fluid occur heat exchange.
12. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 11, it is characterised in that：
The discharge orifice is rectangle hole.
13. absorption refrigeration unit shallow-slot type heat exchange mechanisms as claimed in claim 11, it is characterised in that：
The discharge orifice is horizontally installed on solution dispenser spraying area, between adjacent supports bar.
The 14. absorption refrigeration unit shallow-slot type heat exchange mechanisms as described in claim 1-13, its feature exists
In：
The solution dispenser of shallow-slot type heat exchange mechanisms and the guiding gutter is respectively arranged, all by engineering plastics
It is made；Heat exchanger tube is made of stainless steel material.
A kind of 15. absorption refrigeration units, it is characterised in that：
Including the absorption refrigeration unit shallow-slot type heat exchange mechanisms described in claim any one of 1-14.
A kind of 16. absorption refrigeration matrixes, it is characterised in that：
Including several absorption refrigeration units；
The absorption refrigeration unit includes that the absorption refrigeration unit described in claim any one of 1-14 is shallow
Slot type heat exchange mechanisms.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843932.7A CN106802026A (en) | 2015-11-26 | 2015-11-26 | Absorption refrigeration unit shallow-slot type heat exchange mechanisms |
| PCT/CN2016/106943 WO2017088763A1 (en) | 2015-11-26 | 2016-11-23 | Shallow tank heat exchange mechanism for absorption-type refrigeration unit, refrigeration unit, and refrigeration matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510843932.7A CN106802026A (en) | 2015-11-26 | 2015-11-26 | Absorption refrigeration unit shallow-slot type heat exchange mechanisms |
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| Publication Number | Publication Date |
|---|---|
| CN106802026A true CN106802026A (en) | 2017-06-06 |
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| CN201510843932.7A Pending CN106802026A (en) | 2015-11-26 | 2015-11-26 | Absorption refrigeration unit shallow-slot type heat exchange mechanisms |
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| CN (1) | CN106802026A (en) |
| WO (1) | WO2017088763A1 (en) |
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| CN115408875B (en) * | 2022-09-16 | 2024-02-02 | 苏州清动碳零信息科技有限公司 | Dynamic simulation method of lithium bromide absorption refrigeration system based on Modelica language |
| CN117109328B (en) * | 2023-10-25 | 2024-04-09 | 宁德时代新能源科技股份有限公司 | Heat exchange device, box, battery and power utilization device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07174430A (en) * | 1993-12-20 | 1995-07-14 | Kawaju Reinetsu Kogyo Kk | Refrigerant freezing preventing device for absorption water cooler/heater and freezer |
| US6314752B1 (en) * | 1998-12-18 | 2001-11-13 | The Ohio State University Research Foundation | Mass and heat transfer devices and methods of use |
| KR20090102927A (en) * | 2008-03-27 | 2009-10-01 | 엘에스엠트론 주식회사 | Liquid Distributor and Absorption Chiller Having Thereof |
| CN201748826U (en) * | 2010-08-20 | 2011-02-16 | 上海瀚艺冷冻机械有限公司 | Shell and tube heat exchanger |
| CN104214995A (en) * | 2014-09-05 | 2014-12-17 | 哈尔滨工业大学 | Immersed film type heat exchanger |
| CN104697360A (en) * | 2015-03-03 | 2015-06-10 | 郑州大学 | Longitudinal-flow heat exchanger supported by flow equalization helix of shell pass |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0972999A4 (en) * | 1997-03-25 | 2000-09-13 | Sanyo Electric Co | Absorber of absorption system refrigerator |
| EP2603759A4 (en) * | 2010-08-10 | 2015-01-14 | Georgia Tech Res Inst | Vapor-liquid heat and/or mass exchange device |
| CN205425528U (en) * | 2015-11-26 | 2016-08-03 | 四川捷元科技有限公司 | Absorbed refrigeration unit shallow slot formula heat transfer mechanism |
| CN205425504U (en) * | 2015-11-26 | 2016-08-03 | 四川捷元科技有限公司 | Box -like refrigeration matrix of unique tuple |
| CN205425506U (en) * | 2015-11-26 | 2016-08-03 | 四川捷元科技有限公司 | Absorbed refrigeration unit |
-
2015
- 2015-11-26 CN CN201510843932.7A patent/CN106802026A/en active Pending
-
2016
- 2016-11-23 WO PCT/CN2016/106943 patent/WO2017088763A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07174430A (en) * | 1993-12-20 | 1995-07-14 | Kawaju Reinetsu Kogyo Kk | Refrigerant freezing preventing device for absorption water cooler/heater and freezer |
| US6314752B1 (en) * | 1998-12-18 | 2001-11-13 | The Ohio State University Research Foundation | Mass and heat transfer devices and methods of use |
| KR20090102927A (en) * | 2008-03-27 | 2009-10-01 | 엘에스엠트론 주식회사 | Liquid Distributor and Absorption Chiller Having Thereof |
| CN201748826U (en) * | 2010-08-20 | 2011-02-16 | 上海瀚艺冷冻机械有限公司 | Shell and tube heat exchanger |
| CN104214995A (en) * | 2014-09-05 | 2014-12-17 | 哈尔滨工业大学 | Immersed film type heat exchanger |
| CN104697360A (en) * | 2015-03-03 | 2015-06-10 | 郑州大学 | Longitudinal-flow heat exchanger supported by flow equalization helix of shell pass |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017088763A1 (en) | 2017-06-01 |
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