CN205425506U - Absorbed refrigeration unit - Google Patents
Absorbed refrigeration unit Download PDFInfo
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- CN205425506U CN205425506U CN201520966821.0U CN201520966821U CN205425506U CN 205425506 U CN205425506 U CN 205425506U CN 201520966821 U CN201520966821 U CN 201520966821U CN 205425506 U CN205425506 U CN 205425506U
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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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Abstract
The utility model provides absorbed refrigeration unit and absorbed refrigeration matrix: absorbed refrigeration unit is absorbed refrigeration machine, and every cooling unit is equipped with at least two sets of rivers interface, a set of rivers interface includes the entry and the export of hydrothermal entry and export, cold water to and the entry and the export of cooling water, the hot water export of refrigerator switches on with the hot water entry of adjacent refrigerator each other, and the cooling water outlet switches on with the cold water entry of adjacent refrigerator each other, and the coolant outlet switches on with the cooling water inlet of adjacent refrigerator each other. The utility model discloses a cooling unit itself is an independence and completeness's an absorbed refrigeration machine. It adopts precision injection technology, adopts engineering plastics and stainless steel as the main material, and the integrated level is high, and anti -corrosion performance is good, and gas tightness and liquid secret nature are good, and fundamentally has avoided the influence of non -condensable gas production, cooling unit's operational reliability increase, and the while is energy -concerving and environment -protective, simple to operate, non -maintaining.
Description
Technical field
This utility model belongs to lithium-bromide absorption-type refrigerating machine production field, is specifically related to the small absorption refrigeration unit of a kind of combined extension.
Background technology
Absorption Refrigerator has the advantages such as energy-saving and environmental protection, it is easy to uses the novel energy such as solar energy and industrial exhaust heat used heat, has obtained continuous development.Miniaturization, family oriented would is that its be put to industrial application after another trend.
Lithium-bromide absorption-type refrigerating machine is with pure water as coolant, i.e. relies on pure water evaporation endothermic under high vacuum environment, and realizes refrigerating function.Chilled water steam after heat absorption evaporation is brominated the absorption of lithium solution, carrying, thermal regeneration, condensation, after again becoming liquid again, evaporation of again absorbing heat, and carries out kind of refrigeration cycle endlessly.
Being limited by the physicochemical properties of pure water, the evaporating temperature of vaporizer is generally located on about 5 DEG C, and this just requires that the saturation pressure of evaporator operation intracavity preferably must be held in about 872Pa.The air-tightness of refrigeration machine is required the highest by this pressure, and traditional Absorption Refrigerator is in order to ensure the sealing property of High Voltage so that housing majority must use the thickest steel plate or foundry goods to make, and copper pipe is the pipe shell type heat exchange structure of heat exchanger tube.Correspondingly, refrigeration machine sufficiently bulky, weight is the heaviest, and corrosion resistant performance is the most poor.Hence it is imperative that the structure of refrigeration machine is carried out new improving with the requirement of satisfied environmental protection lighter, more efficient, more energy efficient.
Summary of the invention
The purpose of this utility model is in order to solve problem above, and a kind of high-efficiency absorption refrigeration unit of design, including regenerator, absorber, condenser, vaporizer, solution heat exchanger and liquor box etc..One refrigeration unit is exactly the Absorption Refrigerator of an independent completion；Meanwhile, by current interface and the integral type water pipe system of uniform specification, any number of refrigeration unit can also be combined into large-scale refrigeration matrix.
Concrete technical scheme is as follows:
A kind of absorption refrigeration unit of design, described absorption refrigeration unit is Absorption Refrigerator, each refrigeration unit is provided with the current interface group that at least two groups are made up of some current interfaces, described one group of current interface group includes the entrance and exit of the entrance and exit of hot water, cold water, and the entrance and exit of cooling water.
Further, described refrigeration unit is provided with at least two combinatorial surface；Each group current interface group is distributed on combinatorial surface；Adjacent absorption refrigeration unit is connected with each other by the current interface on combinatorial surface so that any number of described absorption refrigeration unit can constitute absorption refrigeration matrix by described current interface grafting each other.
Further, the fuselage of described refrigeration unit being designed as cuboid, described combinatorial surface is 6 surfaces of cuboid；Each combinatorial surface is provided with one group of current interface group；Adjacent absorption refrigeration unit, the absorption refrigeration matrix described in composition is connected by the current interface on described combinatorial surface.
Further, it is designed as the combinatorial surface of adjacent refrigeration unit mutually fitting tightly and forms described unit-combination type refrigeration matrix to connect.
Further, on described 6 combinatorial surfaces, the position distribution mode of current interface is: the current interface of combinatorial surface is mutually mirror up and down；The current interface of left and right combinatorial surface is mutually mirror, and front and back the current interface of combinatorial surface is mutually mirror.
Further, described absorption refrigeration unit has current interface, water pipe system；Regenerator, absorber, condenser, vaporizer and solution heat exchanger；And liquor box.
Further, described current interface structure is identical, is standard water stream interface；Described current interface includes socket and plug；Described plug ends is provided with overhead kick and O RunddichtringO；The inwall of described socket is inserted and is fastened in described overhead kick, and described O RunddichtringO pad is located between described plug and socket, for reaching the purpose sealed.
Further, described water pipe system includes integral type water pipe system, is arranged in refrigeration unit housing, forms an entirety with refrigeration unit housing；By current interface mutual conduction corresponding on various combination face, and be connected with the heat exchanger tube pass within described absorption refrigeration unit so that described absorption refrigeration unit all can lead in/out hot water, cold water and cooling water at the same time or separately from any one combinatorial surface.
Further, described current interface is connected with each other with described integral type water pipe system, collectively form the water stream channel of described absorption refrigeration unit, wherein hot water flow channel: any hot water inlet from four combinatorial surfaces accesses, by integral type hot water water inlet pipe, it is connected to the entrance of the tube side of described regenerator；
Hot water flow pass: flow out from the outlet of the tube side of described regenerator, by integral type hot water effluent's pipeline, any hot water out being connected on four combinatorial surfaces；
Cold water flow channel: the arbitrary cold water inlet from four combinatorial surfaces accesses, and by integral type cold water water inlet pipe, is connected to the entrance of the tube side of described evaporator heat exchanger；
Cold water flow pass: flow out from the outlet of the tube side of described vaporizer, by integral type cold water outlet conduit, be connected to the arbitrary cooling water outlet on four combinatorial surfaces；
Cooling water flow channel: the arbitrary cooling water inlet from four combinatorial surfaces is accessed, cools down water water inlet pipe by integral type, is connected to the entrance of the tube side of described absorber and condenser；
Cooling water flow out of passage: flow out from the outlet of described absorber and the tube side of condenser, cool down water water inlet pipe by integral type, be connected to the arbitrary coolant outlet on four combinatorial surfaces；
Making in four combinatorial surfaces of described absorption refrigeration unit, any one combinatorial surface all can individually or be concurrently accessed and draw hot water, cold water and cooling water.
Further, described regenerator, absorber, condenser and vaporizer are shell-and-tube heat exchanger；Including the shell side being made up of refrigeration unit body shell, and the tube side being made up of heat exchanger tube compact arranged in housing.Wherein, described regenerator and condenser are positioned at the top of refrigeration unit body cavity；Described regenerator is for the chilled water heating evaporation absorbed in lithium-bromide solution, it is thus achieved that coolant steam；The heat that evaporation process is absorbed is provided by the hot water of tube side；Described condenser is for condensing into chilled water by the coolant steam obtained in regenerator cooling, and chilled water flow to described vaporizer shell side after throttling.
Further, described vaporizer and absorber are positioned at the bottom of refrigeration unit body cavity, referred to as shallow-slot type evaporation device.Wherein: the described vaporizer evaporation endothermic by shell side chilled water, the cold water of tube side is made to lower the temperature；Described absorber is for absorbing in lithium-bromide solution by the refrigerant vapor that vaporizer shell side produces, and the heat released in absorption process is taken away by the cooling water of tube side.
Further, shallow-slot type evaporation device it is directed to: between upper and lower two-layer heat exchanger tube, guiding gutter is set；The bottom land of described guiding gutter is provided with some rectangular discharge orifices, and the discharge orifice on adjacent two layers guiding gutter mutually staggers at vertical direction；By described discharge orifice, the fluid of shell side is distributed to uniformly the heat exchanger tube surface of lower section.Described heat exchanger tube uses self-locking sealing structure with guiding gutter junction, guiding gutter two ends have inner small and outside big bellmouth, heat exchanger tube is installed in bellmouth and O RunddichtringO from the set of outer end, time inside guiding gutter by vacuum pumping, under the common effect of bellmouth and O RunddichtringO, utilize the produced pressure reduction in outside in guiding gutter and self-locking, thus ensure that the high vacuum seal requirement of refrigeration unit.
Further, described solution heat exchanger is plate type heat exchanger, it is arranged on described absorption refrigeration unit fuselage side wall and caves in region, the heat exchange wallboard that weavy grain shape raised line is distributed at inwall is placed equidistant at certain intervals, for supporting heat exchange wallboard to bear vacuum pressure, and form the flow channel of cold fluid and hot fluid, and make the fluid flowing through raised line produce turbulent flow to improve heat transfer coefficient, the beneficially low temperature weak solution in absorption refrigeration unit and high temperature concentrated solution carries out heat exchange.
Further, described liquor box, be arranged on the bottom of vaporizer and absorber, for reclaim in described absorber produce lithium bromide weak solution, and for described regenerator provide required for lithium bromide weak solution.
Further, described absorption refrigeration unit body shell, described current interface, described integral type water pipe system, the housing of described shell-and-tube heat exchanger, and described liquor box be engineering plastics make；
Described heat exchanger tube and described heat exchange wallboard are made by stainless steel material；
The working medium of described absorption refrigeration unit uses lithium-bromide solution.
There is provided a kind of absorption refrigeration matrix, including previously described absorption refrigeration unit.
The beneficial effects of the utility model are:
Designed refrigeration unit itself is the Absorption Refrigerator of an independent completion.It uses precise injection molding technique, uses engineering plastics and rustless steel as main material, and integrated level is high, Corrosion Protection is good, air-tightness and fluid tight good, fundamentally avoids the impact that on-condensible gas produces, the operational reliability of refrigeration unit increases, and energy-conserving and environment-protective simultaneously are easy for installation, non-maintaining.
Described refrigeration unit uses precise injection molding technique, improves the integrated level of parts, thus significantly reduces the volume and weight of refrigeration unit, under the most identical capacity 1/10th of conventional suction formula refrigeration machine.
Described refrigeration unit can be combined by building block system, constitutes the large-scale refrigeration matrix of volume-variable, it is possible to is greatly improved production efficiency, reduces manufacturing cost and production cycle.
Accompanying drawing explanation
Fig. 1 is absorption refrigeration unit three-dimensional structural representation of the present utility model；
Fig. 2 is that this utility model absorption refrigeration unit assembles exploded perspective view；
Fig. 3 A is the perspective view of shell-and-tube heat exchanger of the present utility model；
Fig. 3 B is shell-and-tube heat exchanger cross-sectional structure schematic diagram of the present utility model；
Fig. 3 C is the stereochemical structure explosive view of shell-and-tube heat exchanger of the present utility model；
Fig. 3 D is the stereochemical structure explosive view of shell-and-tube heat exchanger of the present utility model；
Fig. 4 A is board-like solution heat exchanger solid mounting structure schematic diagram of the present utility model；
Fig. 4 B is heat exchange wall plate structure schematic diagram exposed after board-like solution heat exchanger of the present utility model has removed section components；
Fig. 5 is the direct splicing structural representation of this utility model i.e. six absorption refrigeration unit of one embodiment.
Wherein, the labelling of section components is as follows:
Absorption refrigeration unit；
Upper combinatorial surface 110；
Lower combinatorial surface 130；
Left combinatorial surface 120；
Right combinatorial surface 140；
Hot water inlet 111,121；
Hot water outlet 112,122；
Cold water inlet 113,123；
Cooling water outlet 114,124；
Cooling water inlet 115,125；
Coolant outlet 116,126；
Board-like solution heat exchanger 135；
Regenerator 201；
Condenser 202；
Absorber 203；
Vaporizer 204；
Hot water inlet pipe road 211,221；
Hot water effluent's pipeline 212,222；
Cold water enters pipeline 213,223；
Cold water outlet conduit 214,224；
Cooling water inlet pipe road 215,225；
Cooling water outlet pipe road 216,226；
Solution pump 231；
Liquor box 232；
Heat exchanger 300；
Heat exchanger tube 310；
Guiding gutter 321,322,323；
O RunddichtringO 330
Discharge orifice 340；
Solution reserving liquid tank 410；
Solution heat exchanger 405；
Heat exchange wallboard 420；
Weak solution passage 412；
Concentrated solution passage 414；
Concentrated solution entrance 406；
Weak solution entrance 401；
Weak solution outlet 408；
Concentrated solution outlet 402；
Solution pump 403；
Concentrated solution goes to the passage 404 of absorber shell side；
Weak solution goes to the passage 409 of regenerator；
Raised line 422；
Refrigeration matrix 500
Refrigeration unit 501,502,503,504,505,506；
Refrigeration matrix hot water inlet 511；
Refrigeration matrix hot water outlet 512；
Refrigeration matrix cold water inlet 513；
Refrigeration matrix cooling water outlet 514；
Refrigeration matrix cooling water inlet 515；
Refrigeration matrix coolant outlet 516.
Detailed description of the invention
Accompanying drawing constitutes the part of this specification；Below with reference to the accompanying drawings various detailed description of the invention of the present utility model are described.It should be appreciated that, for convenience of explanation, this utility model employs the term representing direction, such as "front", "rear", " on ", D score, "left", "right" etc. various example features of the present utility model and element are described, but these direction terms are only to determine according to example orientations shown in accompanying drawing.Owing to embodiment disclosed in the utility model can be arranged according to different directions, so these represent that the term in direction is intended only as explanation and should not be considered as limiting.In the conceived case, the identical or similar reference used in this utility model, refer to identical parts.
Being illustrated in figure 1 lithium bromide absorbing type refrigeration unit of the present utility model, its profile is cuboid, and as an embodiment, this absorption refrigeration unit refrigeration work consumption is 4RT (about 14kW), and main frame volume only has 840 × 400 × 200 (mm3), less than 0.1 cubic metre, use precise injection molding processes to form.Inside is provided with the heat-exchanging parts such as regenerator, vaporizer, absorber, condenser.
Described absorption refrigeration unit, with lithium-bromide solution+chilled water for working medium pair, relies on chilled water evaporation endothermic under high vacuum environment to realize refrigeration.After chilled water heat absorption, evaporation becomes refrigerant vapor.Refrigerant vapor no longer has decalescence ability, and therefore, lithium solution to be brominated absorbs, thermal regeneration together with lithium-bromide solution the most again, produces refrigerant vapor, and refrigerant vapor is condensed and again becomes liquid refrigerants water again, thus evaporation of again absorbing heat.Chilled water heat absorption evaporation absorption and regeneration condenses evaporation of absorbing heat again, carries out kind of refrigeration cycle the most continually.Wherein cold water, hot water and cooling water carry out heat exchange to complete cooling flow between vaporizer, regenerator, absorber, condenser all parts.Refrigeration unit obtains energy by hot water, cooling water and cold water pipes respectively from the external world, and outwardly release heat and outwardly supply cold.
Lithium bromide absorbing type refrigeration unit as shown in Figure 1 also has independent hot water, cold water, cooling water pipeline system, solution heat exchange and blood circulation, thus constitutes the refrigeration machine that a platform independent is complete.During separately installed operation, its refrigeration work consumption is referred to as cell power.Meanwhile, refrigeration unit possesses again the ability consisting of large-scale refrigeration matrix combination, makes general power become the summation of assembled unit power, as Fig. 5 and hereinafter shown in.
For adapting to this combination, this utility model is at four combinatorial surfaces of absorption refrigeration unit: goes up and is respectively arranged with one group of current interface group on combinatorial surface 110, left combinatorial surface 120, lower combinatorial surface 130 and right combinatorial surface 140: hot water inlet, hot water outlet, cold water inlet, cooling water outlet, coolant outlet and cooling water inlet.As a example by the upper combinatorial surface 110 can seen by Fig. 1 and right combinatorial surface 140: be respectively equipped with hot water inlet 111, hot water outlet 112, cold water inlet 113, cooling water outlet 114, cooling water inlet 115 and coolant outlet 116 on upper combinatorial surface 110；Right lateral surface 140 is respectively equipped with hot water inlet 121, hot water outlet 122, cold water inlet 123, cooling water outlet 124, cooling water inlet 125 and coolant outlet 126.In fact, it is provided with in the downside 130 relative with upper side 110 and the upper side 110 6 identical current interfaces in specular, is provided with and the right combinatorial surface 140 6 identical current interfaces in specular at the left combinatorial surface 120 (back side) relative with right flank.The most symmetrical this design so that when two absorption refrigeration unit are in combination up and down or left and right combination, corresponding current interface can be directed at and connect into an entirety.
It is true that at least 2 faces can be arranged to combinatorial surface in 6 faces of refrigeration unit of cuboid, each combinatorial surface is provided with a group interface group, for being connected with adjacent refrigeration unit (or outside energy medium).Every group interface group includes 6 current interfaces, actually used in, according to practical situation, be arranged on a combinatorial surface as an interface group with the wherein current interface of 4 current interfaces or other numbers and also may be used.
Fig. 2 is that this utility model absorption refrigeration unit assembles exploded perspective view.
In fig. 2, secretly set, in the upper side 110 of absorption refrigeration unit, a plurality of water pipe that housing wallboard complements each other to form；It is respectively hot water inlet pipe road 211, hot water effluent's pipeline 212, cold water inlet road 213, cold water outlet conduit 214, cooling water inlet pipe road 215 and cooling water outlet pipe road 216, and is connected with hot water inlet 111, hot water outlet 112, cold water inlet 113, cooling water outlet 114, cooling water inlet 115 and coolant outlet 116 respectively.
In like manner, in fig. 2, secretly set, in the right combinatorial surface 140 of absorption refrigeration unit, a plurality of water pipe that housing wallboard complements each other to form；It is respectively hot water inlet pipe road 221, hot water effluent's pipeline 222, cold water entrance pipeline 223, cold water outlet conduit 224, cooling water inlet pipe road 225 and cooling water outlet pipe road 226, and is connected with hot water inlet 121, hot water outlet 122, cold water inlet 123, cooling water outlet 124, cooling water inlet 125 and coolant outlet 126 respectively.
By water pipe, the current gateway on each combinatorial surface is interconnected so that absorption refrigeration unit all can lead in/out hot water, cold water and cooling water at the same time or separately from any one combinatorial surface.Current interface on each combinatorial surface, together with the water pipe of fuselage, constitutes the four-way connection on a water stream channel.
Refrigeration unit is connected by the current interface on four combinatorial surfaces with extraneous thermal source, low-temperature receiver, cooling water source or adjacent absorption refrigeration unit and carries out supply or the extraction of current, and hot water, cold water and cooling water are connected with the tube side of the respective heat exchanger within absorption refrigeration unit: the inlet channel that four hot water inlets 111,121 of hot water etc. are consisted of the hot water water inlet conduit 211,221 etc. that four wallboards are built-in is connected with the entrance of regenerator, for refrigeration unit offer heat energy；The inlet channel that four cold water inlets 113,213 of cold water etc. are consisted of cold water water inlet conduit 213,223 etc. is connected with the entrance of vaporizer；The inlet channel that the logical supercooled water water inlet conduits 215,225 etc. such as four cooling water inlets 115,125 of cooling water are constituted is connected with the entrance of condenser and absorber；In like manner, each water outlet port on four combinatorial surfaces is connected with the outlet of respective heat exchanger by the outlet conduit being attached thereto that four walls are built-in, forms complete confession stream tubing.
Fig. 3 A is the perspective view of shell-and-tube heat exchanger 300 of the present utility model.
Heat exchanger 300 is the key structure of the heat-exchanging part such as regenerator, absorber, condenser in refrigeration unit.
As shown in Figure 3A, as a example by regenerator, the heat-exchanging part that heat exchanger 300 is superimposed the most from level to level by multiple rows of heat exchanger tube 310 and constitutes, Fig. 3 A presents 2 row's heat exchanger tubes 310, other each Rotating fields are same, are sequentially overlapped.Heat exchanger tube 310 internal flow is connected with hot water or cold water or cooling water, carries out heating or lowering the temperature for exchanging cold soln or chilled water that heat pipe outflowed or hot solution, and the fluid of two kinds of different temperatures carries out heat exchange by heat exchanger tube 310 tube wall.
As shown in Figure 3 D, heat exchanger tube 310 uses self-locking sealing structure with guiding gutter 321 junction.Guiding gutter two ends have inner small and outside big bellmouth, and heat exchanger tube is installed in bellmouth and O RunddichtringO 330 from the set of outer end.Time inside guiding gutter by vacuum pumping, under the common effect of bellmouth and O RunddichtringO 330, utilize the produced pressure reduction in outside in guiding gutter and self-locking, thus ensure that the high vacuum seal requirement of refrigeration unit.
Fig. 3 B is the cross-sectional structure schematic diagram of two row's heat exchanger tubes 310, as an embodiment, in heat-exchanging tube bundle of the present utility model, adjacent two heat exchanger tubes 310 center of circle distance in the horizontal direction be 4mm, the center of circle distance in vertical direction is 7mm.Heat exchanger tube all uses identical caliber, for 3mm, this superfine heat exchanger tube and compact arrangement architecture so that obtain high heat transfer area in unit volume, improves the efficiency of heat exchange.
Fig. 3 C is the detonation configuration figure of the shell-and-tube heat exchanger shown in Fig. 3 A；
Shown in Fig. 3 A, regenerator, absorber, condenser every layer of heat exchanger tube of heat exchanger 300 between each layer guiding gutter 322 and 323 is set, guiding gutter not only acts as the effect of water conservancy diversion, also can support top heat exchanger tube 310.Solution out-of-date contacts with heat exchanger tube from guiding gutter is upper, and flow process is the longest, and the time that heat exchange contacts is the longest, and the effect of heat exchange is the best.
Being provided with solution dispenser 321 on top layer heat exchanger tube, which is provided with some discharge orifices 340, the solution that solution dispenser 321 flows through can be distributed to the heat exchanger tube surface on the second row guiding gutter 322 of lower section by discharge orifice 340.
Weak solution glide path after solution dispenser 321 and ground floor guiding gutter 322 water conservancy diversion is described as a example by solution dispenser 321 and two guiding gutters (322,323) flow-guiding structure.
Discharge orifice 340 in solution dispenser 321 and the discharge orifice on guiding gutter 322,323, in the vertical direction mutually staggers, discharge orifice match with guiding gutter so that solution under gravity, as shown in the flow path of water droplet in Fig. 3 C, flow by " it " font, for extending the heat exchanger time of solution and heat exchanger tube, it is ensured that chilled water has time enough heat exchange to regenerate.This structure forces solution constantly to alter course in guiding gutter 322,323, and the turbulent flow of local can convective heat-transfer coefficient between reinforced solution and heat exchanger tube.
In refrigeration unit of the present utility model, regenerator, absorber, condenser and vaporizer have same or analogous structure.
Fig. 4 A is board-like solution heat exchanger solid mounting structure schematic diagram of the present utility model；
Before in conjunction with shown in Fig. 1, board-like solution heat exchanger 135 is arranged on the inside of refrigeration unit right flank rectangular area 140, is integrally formed with refrigeration unit；
Liquor box 410 is generally rectangular shaped, and matches with the internal structure of refrigeration unit underpart.Liquor box 410 according to the flexible moulding of clear position of refrigeration unit lower lumen, makes what whole liquor box 410 mated completely to be embedded in refrigeration unit, makes full use of the free space in refrigeration unit fuselage so that it is volume is compacter.
Fig. 4 B is heat exchange wall plate structure schematic diagram exposed after board-like solution heat exchanger of the present utility model has removed section components；
As shown in Figure 4 B, board-like solution heat exchanger body 405, its inside polylith heat exchange wallboard 420 is evenly spaced, formed cold and hot solution circulation passage: weak solution passage the most spaced apart from each other and concentrated solution passage.The weak solution of low temperature contacts with heat exchange wallboard 420 with the concentrated solution of high temperature simultaneously, and heat exchange wallboard 420 becomes the weak solution of low temperature and the medium of the concentrated solution heat exchange of high temperature.The gateway of solution channel is further respectively had, respectively: the concentrated solution entrance 406 in the upper left corner, the concentrated solution outlet 402 in the lower left corner, the weak solution entrance 401 in the lower right corner, the weak solution outlet 408 in the upper left corner on four angles of solution heat exchanger body 405.
It can also be seen that solution pump 403, concentrated solution go to the passage 404 of absorber shell side, weak solution to go to the passage 409 of regenerator and concentrated solution in the outlet 414 of regenerator shell side in Fig. 4 B.Solution pump 403 is for providing power to the weak solution of flowing in solution heat exchanger 135, it is pumped into from the weak solution entrance 401 in the lower right corner weak solution outlet 408 in the upper left corner, and is transported in the solution dispenser of regenerator (being not drawn on figure) by connecting tube 412 and 409.
As shown in Figure 4 B, heat exchange wallboard 420 is stamped to form through cold-press process for corrosion resistant plate, it is stamped and formed out dense distribution, the most alternate raised line 422 over the surface of the panel, the raised line 422 of this weavy grain shape is for supporting pressure produced by the vacuum suffered by heat exchange wallboard 420, make the fluid flowing through raised line 422 produce turbulent flow, to improve the coefficient of heat transfer simultaneously.
Fig. 5 is the direct splicing structural representation of this utility model i.e. six absorption refrigeration unit of one embodiment；
As it is shown in figure 5,6 refrigeration units 501,502,503,504,505,506 are stacked together formation one refrigeration matrix in the way of 3 × 2.Current interface on 6 respective adjacent combinatorial surfaces of refrigeration unit 501,502,503,504,505,506 links together, such as: the hot water inlet of each refrigeration unit links together with hot water's entrance of adjacent refrigeration unit；The hot water supplied from thermal water source's (such as boiler, solar water heater) etc. is accessed by the hot water inlet 511 of refrigeration unit 501, then hot water is inputted by the hot water pipeline in each refrigeration unit to the regenerator of respective refrigeration unit, hot water is after each regenerator heat exchange of refrigeration matrix, being flowed out by hot water effluent's pipeline of respective refrigeration unit, the hot water of the matrix that finally freezes returns to thermal water source from the discrepancy port 512 of refrigeration unit 503 again.In like manner, the cold water come from the refrigeration duty vaporizer by the cold water inlet 513 of refrigeration unit 501 input refrigeration matrix, by after the chilled water absorbing and cooling temperature in vaporizer, return to refrigeration duty from the cooling water outlet 514 of refrigeration unit 503 again.The condenser cooling down the water input refrigeration matrix in cooling water inlet 515 by refrigeration unit 501 come from cooling tower and absorber, after absorbing condenser/absorber liberated heat, cooling water returns to cooling tower from the cooling water outlet 516 of refrigeration unit 503.The combinatorial surface of adjacent refrigeration unit fits tightly.
So, 6 refrigeration units are grouped together into the entirety simultaneously worked, and the refrigeration work consumption of the refrigeration matrix of combined one-tenth is 6 × 4RT (about 84kW), for 6 times of elementary cell power, combined by matrix form, it is achieved refrigeration work consumption double type extends.
Additionally, in Fig. 5, if any one refrigeration unit is because of disorderly closedown in matrix, do not affect the work of whole matrix.In refrigeration matrix, other unit remains to carry out refrigerating operaton with an entirety, and simply refrigeration work consumption decreases.
Standard refrigeration unit of the present utility model uses novel high heat resistance, corrosion resistant engineering plastics as fuselage material, takes integral molded plastic technique.Water pipe, lithium-bromide solution pipeline and solution reserving liquid tank etc. embedded in refrigeration unit are precision injection molding.The heat exchanger tube of refrigeration unit uses stainless steel tube, and heat exchanger uses compact shell-and-tube heat exchanger；Solution heat exchanger uses plate type heat exchanger；Each heat exchanger is positioned at fuselage interior, is integrally formed with fuselage.
Although this utility model will be described with reference to the detailed description of the invention shown in accompanying drawing, it is to be understood that, under the spirit instructed without departing substantially from this utility model, scope and background, absorption refrigeration unit of the present utility model can have many versions, the placement position such as change the contact surface that current interface is set, changing each upper current interface, etc..In art technology, those of ordinary skill will additionally appreciate different modes to the parameter changing in embodiment disclosed in the utility model, size, but this each falls within this utility model and spirit and scope by the claims.
Claims (24)
1. an absorption refrigeration unit, it is characterised in that:
Described absorption refrigeration unit is an Absorption Refrigerator, and each refrigeration unit is provided with at least two group current interface group, and often group current interface group includes the current interface such as entrance and exit of the entrance and exit of hot water, the entrance and exit of cold water, cooling water.
2. absorption refrigeration unit as claimed in claim 1, it is characterised in that:
Described absorption refrigeration unit is provided with at least two combinatorial surface；Each group current interface group is distributed on combinatorial surface；
Adjacent absorption refrigeration unit is connected with each other by the current interface on combinatorial surface so that any number of described absorption refrigeration unit can constitute absorption refrigeration matrix by described current interface grafting each other.
3. absorption refrigeration unit as claimed in claim 2, it is characterised in that:
The fuselage of described refrigeration unit is cuboid, and described combinatorial surface is 6 surfaces of cuboid；
Each combinatorial surface is provided with one group of current interface group；
Adjacent absorption refrigeration unit, the absorption refrigeration matrix described in composition is connected by the current interface on described combinatorial surface.
4. absorption refrigeration unit as claimed in claim 3, it is characterised in that:
Described absorption refrigeration matrix mutually fits tightly connection composition by the combinatorial surface of adjacent absorbent formula refrigeration unit.
5. absorption refrigeration unit as claimed in claim 3, it is characterised in that:
On described 6 combinatorial surfaces, the position distribution mode of current interface is: the current interface of combinatorial surface is mutually mirror up and down；The current interface of left and right combinatorial surface is mutually mirror, and front and back the current interface of combinatorial surface is mutually mirror.
6. absorption refrigeration unit as claimed in claim 2, it is characterised in that including:
Current interface；
Water pipe system；
Regenerator, absorber, condenser, vaporizer and solution heat exchanger；
Liquor box.
7. absorption refrigeration unit as claimed in claim 6, it is characterised in that:
Described current interface structure is identical, is standard water stream interface.
8. absorption refrigeration unit as claimed in claim 7, it is characterised in that:
Described current interface includes socket and plug；
Described plug ends is provided with overhead kick and O RunddichtringO；
The inwall of described socket is inserted and is fastened in described overhead kick, and described O RunddichtringO pad is located between described plug and socket, for reaching the purpose sealed.
9. absorption refrigeration unit as claimed in claim 6, it is characterised in that:
Described water pipe system is by current interface mutual conduction corresponding on various combination face, and be connected with the heat exchanger tube pass within described absorption refrigeration unit so that described absorption refrigeration unit all can lead in/out hot water, cold water and cooling water at the same time or separately from any one combinatorial surface.
10. absorption refrigeration unit as claimed in claim 9, it is characterised in that:
Described water pipe system, including integral type water pipe system, is arranged in refrigeration unit housing, forms an entirety with refrigeration unit housing.
11. absorption refrigeration unit as claimed in claim 10, it is characterised in that:
Described current interface is connected with each other with described integral type water pipe system, collectively form the water stream channel of described absorption refrigeration unit, wherein hot water flow channel: any hot water inlet from four combinatorial surfaces accesses, by integral type hot water water inlet pipe, it is connected to the entrance of the tube side of described regenerator；
Hot water flow pass: flow out from the outlet of the tube side of described regenerator, by integral type hot water effluent's pipeline, any hot water out being connected on four combinatorial surfaces；
Cold water flow channel: the arbitrary cold water inlet from four combinatorial surfaces accesses, and by integral type cold water water inlet pipe, is connected to the entrance of the tube side of described evaporator heat exchanger；
Cold water flow pass: flow out from the outlet of the tube side of described vaporizer, by integral type cold water outlet conduit, be connected to the arbitrary cooling water outlet on four combinatorial surfaces；
Cooling water flow channel: the arbitrary cooling water inlet from four combinatorial surfaces is accessed, cools down water water inlet pipe by integral type, is connected to the entrance of the tube side of described absorber and condenser；
Cooling water flow out of passage: flow out from the outlet of described absorber and the tube side of condenser, cool down water water inlet pipe by integral type, be connected to the arbitrary coolant outlet on four combinatorial surfaces；
Making in four combinatorial surfaces of described absorption refrigeration unit, any one combinatorial surface all can individually or be concurrently accessed and draw hot water, cold water and cooling water.
12. absorption refrigeration unit as claimed in claim 6, it is characterised in that:
Described regenerator, absorber, condenser and vaporizer are shell-and-tube heat exchanger；Including the shell side being made up of heat exchanger shell, and the tube side being made up of heat exchanger tube compact arranged in housing.
13. absorption refrigeration unit as claimed in claim 12, it is characterised in that:
Described regenerator and condenser are positioned at the top of refrigeration unit body cavity, wherein,
Described regenerator is for the chilled water heating evaporation absorbed in lithium-bromide solution, it is thus achieved that coolant steam；The heat that evaporation process is absorbed is provided by the hot water of tube side；
Described condenser is for condensing into chilled water by the coolant steam obtained in regenerator cooling, and chilled water flow to described vaporizer shell side after throttling.
14. absorption refrigeration unit as claimed in claim 12, it is characterised in that:
Described vaporizer and absorber are positioned at the bottom of refrigeration unit body cavity, wherein,
The described vaporizer evaporation endothermic by shell side chilled water, makes the cold water of tube side lower the temperature；
Described absorber is for absorbing in lithium-bromide solution by the refrigerant vapor that vaporizer shell side produces, and the heat released in absorption process is taken away by the cooling water of tube side.
15. absorption refrigeration unit as claimed in claim 14, it is characterised in that:
Between upper and lower two-layer heat exchanger tube, it is additionally provided with guiding gutter；
The bottom land of described guiding gutter is provided with some discharge orifices, and the fluid of shell side is distributed to uniformly the heat exchanger tube surface of lower section by described discharge orifice.
16. absorption refrigeration unit as claimed in claim 15, it is characterised in that:
Described discharge orifice is that the discharge orifice in rectangle, and adjacent two layers guiding gutter mutually staggers at vertical direction.
17. absorption refrigeration unit as claimed in claim 15, it is characterised in that:
Described heat exchanger tube uses self-locking sealing structure with guiding gutter junction, guiding gutter two ends have inner small and outside big bellmouth, heat exchanger tube is installed in bellmouth and O RunddichtringO from the set of outer end, time inside guiding gutter by vacuum pumping, under the common effect of bellmouth and O RunddichtringO, utilize the produced pressure reduction in outside in guiding gutter and self-locking, thus ensure that the high vacuum seal requirement of refrigeration unit.
18. absorption refrigeration unit as claimed in claim 6, it is characterised in that:
Described solution heat exchanger is plate type heat exchanger, it is arranged on described absorption refrigeration unit fuselage side wall and caves in region, heat exchange wallboard is placed equidistant at certain intervals, form the flow channel of cold fluid and hot fluid, for the low temperature weak solution in absorption refrigeration unit and high temperature concentrated solution are carried out heat exchange.
19. absorption refrigeration unit as claimed in claim 18, it is characterised in that:
Described heat exchange wallboard inwall is distributed weavy grain shape raised line, is used for supporting heat exchange wallboard to bear vacuum pressure, and makes the fluid flowing through raised line produce turbulent flow to improve heat transfer coefficient.
20. absorption refrigeration unit as claimed in claim 6, it is characterised in that:
Described liquor box, is arranged on the bottom of vaporizer and absorber, for reclaim in described absorber produce lithium bromide weak solution, and for described regenerator provide required for lithium bromide weak solution.
21. absorption refrigeration unit as claimed in claim 11, it is characterised in that:
The body shell of described absorption refrigeration unit, described current interface, described integral type water pipe system is that engineering plastics make；
The working medium of described absorption refrigeration unit uses lithium-bromide solution.
22. absorption refrigeration unit as claimed in claim 12, it is characterised in that:
The housing of described shell-and-tube heat exchanger is that engineering plastics make；
Described heat exchanger tube is made by stainless steel material.
23. absorption refrigeration unit as claimed in claim 18, it is characterised in that:
Described liquor box is that engineering plastics make；
Described heat exchange wallboard is made by stainless steel material.
24. 1 kinds of absorption refrigeration matrixes, it is characterised in that:
Including several absorption refrigeration unit as described in any one of claim 1-20.
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| CN201520966821.0U CN205425506U (en) | 2015-11-26 | 2015-11-26 | Absorbed refrigeration unit |
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| CN201520966821.0U CN205425506U (en) | 2015-11-26 | 2015-11-26 | Absorbed refrigeration unit |
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| CN106288497A (en) * | 2016-10-17 | 2017-01-04 | 四川捷元科技有限公司 | Absorption refrigeration unit internal heat assembly, absorption refrigeration unit and matrix |
| WO2017088763A1 (en) * | 2015-11-26 | 2017-06-01 | 四川捷元科技有限公司 | Shallow tank heat exchange mechanism for absorption-type refrigeration unit, refrigeration unit, and refrigeration matrix |
| WO2017088758A1 (en) * | 2015-11-26 | 2017-06-01 | 四川捷元科技有限公司 | Absorption-type refrigeration unit water flow connector, refrigeration unit and refrigeration matrix |
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| WO2018072314A1 (en) * | 2016-10-18 | 2018-04-26 | 四川捷元科技有限公司 | Absorption refrigeration unit and absorption refrigeration matrix |
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| CN106802018A (en) * | 2015-11-26 | 2017-06-06 | 四川捷元科技有限公司 | Absorption refrigeration unit |
| CN106288497A (en) * | 2016-10-17 | 2017-01-04 | 四川捷元科技有限公司 | Absorption refrigeration unit internal heat assembly, absorption refrigeration unit and matrix |
| WO2018072315A1 (en) * | 2016-10-17 | 2018-04-26 | 四川捷元科技有限公司 | Internal heat exchange component of absorption refrigeration unit, and absorption refrigeration unit and matrix |
| WO2018072316A1 (en) * | 2016-10-17 | 2018-04-26 | 四川捷元科技有限公司 | Heat exchange unit and heat exchange matrix |
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