CN2485601Y - Absorption and diffusion freezer - Google Patents

Absorption and diffusion freezer Download PDF

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Publication number
CN2485601Y
CN2485601Y CN 01225120 CN01225120U CN2485601Y CN 2485601 Y CN2485601 Y CN 2485601Y CN 01225120 CN01225120 CN 01225120 CN 01225120 U CN01225120 U CN 01225120U CN 2485601 Y CN2485601 Y CN 2485601Y
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China
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pipe
concentrated solution
pipeline
ammonia
absorption
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CN 01225120
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白豪
詹儒和
郭晋宏
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THERMAL ENERGY SCI-TECH DEVELOPMENT Co Ltd
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THERMAL ENERGY SCI-TECH DEVELOPMENT Co Ltd
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Abstract

The utility model relates to an absorbing diffusing type freeze device. The utility model comprises a producer, a fine stiller, a condenser, an evaporator, a thick solution groove and an absorbing device; the thick solution groove is provided with a capillary organization; the absorbing device is vertical type and is provided with a helix device to lengthen the process of the dilute solution and the time in the absorbing device, and lengthen the reaction surface in the absorbing device; therefore the utility model can reduce the weight of the whole device and reduce the volume; moreover the utility model can enhance the freeze speed; the evaporator is provided with an ammonia pipe and a hydrogen pipe; the evaporator has a simple structure, is easy to be operated and assembled and can save space; and as the ammonia pipe and the hydrogen pipe are positioned in the evaporator, the utility model achieves a good result in heat exchange and a lower temperature during freezing.

Description

Absorption-diffusion type refrigerator
The utility model relates to a kind of absorption-diffusion type refrigerator, particularly relates to a kind of volume and greatly reduces freeze cycle structure with weight reduction.
The device of known air conditioner refrigerating circulation system, mainly by titanium heat pipe generator 1, hydrogen cabinet 2, separator 3, liquid heat exchanger 4, absorber 5, dehydrater 6, condenser 7, evaporimeter 8, gas-heat exchanger 9, chimney filter 10, analyzer 11, U type pipe 12, fan 13, asbestos board 14 constitutes, it is to utilize the high advantage of ammoniacal liquor gasification latent heat as refrigerant, with water in normal temperature, normal pressure can absorb a large amount of ammonias down, the characteristic that can be overflowed because of heating by ammonia that water absorbed in reverse procedure is as absorbent, and quicken the evaporation rate of ammonia and the pressure balance of system is provided with hydrogen, realize the absorption refrigerating circulation of system by gravity and heating power, whole system is the on-mechanical formula, compressor-free running suction action, more compressor-free operation sound.
As shown in Figure 1, generator 1 connects electricity back generation heat by the titanium heat pipe and is added on generator 1, make ammonia effusion solution, ammonia steam with heat rises along chimney filter 10, and a part of solution of carrying under one's arms arrives in the separator 3, respectively walk other pipeline of branch 3a at this gas and liquid, 3b, liquid flows into liquid heat exchanger 4 by gravity by fluid flow tube 3b, arrive absorber 5 again, gas part in the separator 3 is descended by central fluidizing gas pipe 3a and is diverted in the analyzer 11, gas is because of lighter, after still being up to dehydrater 6, as also have any moisture or condensation water to know from experience down stream to return analyzer 11 and return in the generator 1, be with the baffle-wall 6a of a circle circle on dehydrater 6 combs, therefore can stop the gas liquid of carrying under one's arms again to rise.
Behind dehydrater 6, just be pure ammonia, just can enter condenser 7, condenser 7 is divided into condenser tube 7a and condenser tube 7b two parts, condenser tube 7a partly has fin cooling condensable part steam, intrasystem heat only is used for the circulation of rising, and arrive till this point of condenser tube 7a, later circulation has only been leaned on gravity, and pure ammonia flows to evaporimeter 8, in addition, the steam that condenses at condenser tube 7a part end rises to condenser tube 7b part and condenses, and the U type pipe 12 between condenser 7 and the evaporimeter 8 is the holders as liquid ammonia, and it is in the inflow evaporator 8 that the ammonia liquid reserves surpass predetermined level, because of the effect of liquid, has the tendency of horizontal equilibrium owing to gravity.
Treating in the U type pipe 12 to be filled with behind the liquid promptly can inflow evaporator 8, when entering evaporimeter 8, ammonia liquid goes up formation skim ammonia liquid rete along a succession of horizontal baffle 8a, hydrogen charges into so that liquid ammonia is depressurized to design standard U type pipe 12 places, and can in evaporimeter 8, make low-temperature evaporation, draw heat during evaporation, realize condensation, discharge, and pull 14 isolated by asbestos by fan 13.
The many more ammonia levels of hydrogen are few more, its temperature then reduces more, after the ammonia evaporation, mix with hydrogen, this gaseous mixture overweights hydrogen, promptly the interior pipe 9a along gas-heat exchanger 9 drops in the absorber 5, cool off the up hydrogen of outer tube 9b simultaneously, by the weak ammonia solution that separator 3 flows into to absorber 5 tops through liquid heat exchanger 4, the mist when a contact is come by gas-heat exchanger 9 promptly absorbs ammonia, and only remaining hydrogen, hydrogen is water insoluble, and lighter, so get back to evaporimeter 8 along gas-heat exchanger 9 outer tube 9b rising, so that mix with the ammonia steam again, it is the air cooling that fin 5a is arranged outside the absorber 5, and this can make weak ammonia solution cooling, and strengthens its absorbability, it also emits heat when absorbing simultaneously, therefore remove these heats with air cooling fin 5a, promote the continuous circulation of system, after solution absorbs a large amount of ammonia steams, become that strong solution is heavy to flow in the bottom of absorber 5, and continue to get back to generator 1 another circulation of beginning through liquid heat exchange gas 4 and analyzer 11 downwards.
The shortcoming of known technology is: the pipeline of generator is quite long, and it is complicated, gas-liquid separator is partly for also occupying sizable space, condenser portion is arranged with crooked loop, volume required more, ammonia liquid in evaporimeter, ammonia, hydrogen flows alternately and has influence on whole stability, and very long pipe runs need be set, quite uneconomical, gas-heat exchanger, liquid heat exchanger and absorber also are respectively equipped with quite long pipeline, all increase the flow process and whole volume of pipeline, so the volume of known technology is for quite big, can't dwindle,, solve the problem that the pipeline of known technology is long and overall volume is dwindled with regard to need for more realistic demand.
The purpose of this utility model is to provide a kind of absorption-diffusion type refrigerator, the built-in capillary structure of its concentrated solution groove is to increase the surface area of absorption reaction, to increase extra absorption reaction, absorber is a vertical type, and the built-in screw of absorber is with the flow process of lengthening weak solution, and the time of prolongation in absorber, with the reaction table area of expansion weak solution in absorber, and then reduce whole weight, reduce volume, speed freezing rate simultaneously, make the evaporimeter appearance structure simple again, its built-in liquid ammonia pipe of evaporimeter and hydrogen pipe, this evaporimeter external form simple symmetric, processing and assembling are easily, save the evaporimeter space, and because liquid ammonia pipe and hydrogen pipe penetrate is seated in the evaporimeter, its heat exchange is preferable, cryogenic temperature is lower, also and then reduce the weight of system, reduce volume, so that the utility model can be produced is littler than known technology, integrated operation allows the portable type refrigerating structure be no longer a dream than the better refrigerating plant of known technology.
The purpose of this utility model realizes in the following manner: a kind of absorption-diffusion type refrigerator, and its key is to comprise:
One concentrated solution groove to fit into the concentrated solution of concentrated ammonia liquor, is provided with a capillary structure in it, wherein concentrated solution groove capillary structure is that part is under liquid level, partly on liquid level, to increase the fluid level gauge area of absorption reaction;
One concentrated solution pipe, it is connect by the concentrated solution groove and draws concentrated solution, and the other end is an opening;
One weak solution pipe, it is placed in concentrated solution pipe foreign side, and crosses the other end of concentrated solution pipe;
One generator has a heater, and heater is adjacent to the weak solution pipe, and the weak solution pipe is conducted heat to the concentrated solution pipe, allows the concentrated solution pipe produce gas;
One gas-liquid separation device is formed between the openend and weak solution pipe of dense liquation pipe;
One rectifier, it has a pipeline and weak solution pipe mutually in succession, makes to be partially condensated as liquid in the gas that leaves gas-liquid separation device and to reflux;
One condenser, it has a pipeline and is connected with the pipeline of rectifier, and condenser pipe forms downward-sloping shape, and is provided with the heat exchanger of a condenser outside pipeline, and making condensation of gas is liquid;
One liquid ammonia pipe, one is terminated at the pipeline end of condenser, whole shape such as U shape, to form the pipeline of tool fluid-tight, its other end is an opening, and openend forms the curved arc shape be down, is provided with a liquid ammonia pipe capillary structure in openend again, with the expansion of capillary structure guiding helium liquid, and prevent that ammoniacal liquor from only flowing along the appearance of liquid ammonia pipe;
One weak solution return duct, it is connect by the nearly concentrated solution groove of weak solution pipe place and draws, and forms as the U shape, and its other end is lower than the height of concentrated solution pipe outlet in the gas-liquid separation device;
One absorber is the straight tube-like pipeline of vertical type, and its lower end of pipeline and concentrated solution groove join, and its stage casing of pipeline and weak solution return duct join, and it is provided with an absorber exchange device outward pipeline, is provided with a screw in it and flows with the guiding weak solution;
One wireway, itself and absorber upper end joins, and is provided with down, allows ammonia and hydrogen through absorber enter, and can allow the end be absorbed the ammonia that device absorbs and be condensed into ammoniacal liquor;
One equilibrium pressure solenoid, it is connected between condenser pipe and the wireway;
One ammoniacal liquor drainage tube, one is terminated at the wireway end, and its other end is connected to the liquid level lower area of concentrated solution groove, also is provided with an ammoniacal liquor drainage tube capillary structure in the ammoniacal liquor drainage tube and between the concentrated solution groove, is back to the concentrated solution groove with the ammoniacal liquor of guiding condensation;
One hydrogen pipe, one end and wireway end join, and are provided with up, and the other end is an opening, a hydrogen pipe capillary structure is set, to prevent fluid-tight in it; And
One evaporimeter, it has a pipeline, its pipeline upper end closed, its pipeline lower end and concentrated solution groove join, allowing hydrogen pipe back segment and liquid ammonia pipe be led by nearly lower end inserts in the evaporator pipeline, and in pipeline, extend to blind end, wherein make the height of liquid ammonia pipe openend be lower than the liquid level that liquid ammonia pipe is connected to condenser ends, blind end at evaporimeter disengages ammoniacal liquor and hydrogen simultaneously, make ammoniacal liquor evaporation heat absorption and carry out heat exchange reaction, discharge cold degree, and the ammonia steam that produces refluxed with hydrogen enter the concentrated solution groove;
Described absorption-diffusion type refrigerator, wherein the concentrated solution pipe be positioned at the concentrated solution groove the mouth of pipe for stretching out concentrated solution groove inner bottom surface or being connected to concentrated solution groove side, stop up this mouth of pipe to prevent all residues that flow in concentrated solution grooves.
Described absorption-diffusion type refrigerator wherein also be provided with a heat conduction cover in the weak solution pipe and between outside the concentrated solution pipe, and heat conduction is arranged with through hole.
Described absorption-diffusion type refrigerator, wherein the screw in the absorber is spiral goove or concentric ditch or helical spring or helical fiber bundle.
Described absorption-diffusion type refrigerator, wherein the absorber screw is a capillary structure.And capillary structure can be mesh grid, sintered powder, fibre bundle or foaming metal.
Described absorption-diffusion type refrigerator wherein is connected to an equilibrium pressure solenoid capillary structure, with the fluid-tight phenomenon that prevents that condensation from being caused in the equilibrium pressure solenoid.
Described absorption-diffusion type refrigerator wherein also is provided with an evaporimeter screw in the evaporator pipeline.This evaporimeter screw can be spiral goove or concentric ditch or helical spring or helical fiber bundle.
Described absorption-diffusion type refrigerator, wherein the evaporimeter screw is a capillary structure, this capillary structure can be mesh grid, sintered powder, fibre bundle or foaming metal.
Described absorption-diffusion type refrigerator, wherein condenser heat exchanger, absorber exchange device are radiator or radiating fin or cooling jacket.
This shows, the utility model structure: have the concentrated solution groove to fit into concentrated ammonia liquor and capillary structure, the concentrated solution groove is derived through the concentrated solution pipe and is penetrated in the weak solution pipe to carry out heat exchange, the weak solution pipe is through generator, generator is equipped with heater outward, ammonia boiling in heating makes the concentrated solution pipe is separated out, and the gas-liquid mixed stream of the solution of generation weak aqua ammonia and ammonia rises to the pipeline of rectifier, weak aqua ammonia is back to nearly concentrated solution groove place by the gas-liquid separation device place by the weak solution pipe and is directed at absorber through the weak solution return duct, form water at the rectifier condensed steam and make its backflow, ammonia enters condenser pipe and is condensed into ammoniacal liquor, lead the pipeline that penetrates evaporimeter through liquid ammonia pipe again, absorber pipeline and concentrated solution groove join, make dense ammonia and hydrogen through absorber, the ammoniacal liquor that the weak solution of this moment dense ammonia and backflow is reacted into concentrated solution is back to the concentrated solution groove, rare ammonia and hydrogen through wireway to the hydrogen pipe, the wireway end is connected to the concentrated solution groove with condensation ammoniacal liquor conduit, the hydrogen pipe is also led an end of the pipeline that penetrates evaporimeter, ammoniacal liquor and hydrogen are disengaged simultaneously in blind end place at the pipeline other end of evaporimeter, make ammoniacal liquor evaporation heat absorption and carry out heat exchange reaction, heat absorption and freezing, and enter the concentrated solution groove through ingress pipe with refluxing with hydrogen behind the ammonia steam that produces.
Below in conjunction with embodiment and accompanying drawing thereof, be technological means, feature and the effect that the predetermined purpose of realization is taked to the utility model, be described in further detail.
Fig. 1 is provided with schematic diagram for known pipeline;
Fig. 2 is a stereogram of the present utility model;
Fig. 3 is a vertical section of the present utility model cutaway view;
Fig. 4 is the vertical section cutaway view of the utility model evaporimeter;
Fig. 5 is the cross section cutaway view of the utility model evaporimeter;
Fig. 6 is the A part enlarged drawing of the utility model Fig. 4;
Fig. 7 is the cross section cutaway view of the utility model concentrated solution groove;
Fig. 8 is the test point location drawing of the present utility model;
Fig. 9 is part side pilot test curve figure of the present utility model.
See also Fig. 2 and shown in Figure 3, it is a kind of absorption-diffusion type refrigerator of the utility model, has a concentrated solution groove 31 to fit into concentrated ammonia liquor 71, concentrated solution groove 31 is derived through a concentrated solution pipe 32, concentrated solution pipe 32 is positioned at the mouth of pipe 321 of concentrated solution groove 31 for stretching out concentrated solution groove 31 inner bottom surfaces or being connected to concentrated solution groove 31 sides, to prevent that residue from entering concentrated solution pipe 32, residue is amassed in concentrated solution groove 31 bottom surfaces, and can not stop up the mouth of pipe 321 of concentrated solution pipe 32, concentrated solution pipe 32 also can be connect by the end face of horizontal tube concentrated solution groove 31 and draw.
And concentrated solution pipe 32 is penetrated in the weak solution pipe 37, and weak solution pipe 37 is through a generator 30, the generator 30 outer heaters 33 that are equipped with, make heater 3 heating that the weak solution pipe 37 and concentrated solution pipe 32 of position are set, allow the part appearance of generator 30 be coated with a bundled tube 34 and a heat guard 35, heat guard 35 is outside weak solution pipe 37, and bundled tube 34 is outside heat guard.
As shown in Figure 7, wherein be provided with a concentrated solution groove capillary structure 311 within the concentrated solution groove 31, these concentrated solution groove capillary structure 311 parts are under liquid level, to absorb liquid, make concentrated solution tank liquor face produce anti-bumpiness, be to be porous capillary structure, these concentrated solution groove capillary structure 311 parts are on liquid level, to allow liquid adsorption, to make a part of ammonia of the gas that flows through be absorbed, promptly has the surface area that increases absorption reaction.
As shown in Figure 3, wherein the thermal treatment zone that forms, heater 33 places is provided with a heat conduction and overlaps 372 weak solution pipe 37 in and between concentrated solution pipe 32 outside, manages 37,32 thermal resistance to reduce two, and heat conduction is overlapped 372 and is provided with through hole 371 and allows weak solution flow through.
With heater 33 heating, ammonia 72 is separated out in ammoniacal liquor 76 boilings in heating makes concentrated solution pipe 32, and the gas-liquid mixed stream of the weak solution of generation weak aqua ammonia 74 and ammonia 72, allow the ammonia 72 that more contains evaporation in the concentrated solution pipe 32 in the mixed flows and steam 73 together rise to the pipeline of rectifier 51, weak aqua ammonia 74 is by gas-liquid separation device 36 places, promptly be to overflow by concentrated solution pipe 32 ends, reflux vertically downward by weak solution pipe 37 according to the gravity effect, pass through generator 30 again, again along weak solution pipe 37 be back to nearly concentrated solution groove 31 places thereafter, enlarged tube place through weak solution pipe 37 maybe connects a weak solution return duct 38 in these pipe 37 periphery places, connect with weak solution return duct 38 and to guide to an absorber 40, the end of weak solution return duct 38 wherein is lower than the height of gas-liquid separation device 36, so that weak aqua ammonia 74 natural back flow under gravity enters absorber 40, and can be provided with several precooling fins 39 in the not end appearance of weak solution return duct 38, ahead of time to weak aqua ammonia 74 coolings.
Pipeline at rectifier 51 places forms syphon shape, because the ammonia 72 within this section interval still contains steam 73, steam 73 also is unfavorable for ER, utilize the pipeline of rectifier 51 that steam 73 or ammonia 72 are done cooling, make aqueous vapor 73 be condensed into water 70, the ammonia 72 of part also is condensed into ammoniacal liquor 76, and is back to weak solution pipe 37 along rectifier 51.
The dense ammonia 75 that purity is high enters condenser 50, condenser 50 has a condenser first pipeline 52 and a condenser second pipeline 55, and outside condenser first pipeline 52 and condenser second pipeline 55, be respectively equipped with several first fins 53 and several second fin 56,52,55 of two pipelines join with condenser switching piece 54, being arranged to bend pipe with saving is taken up space, utilize first fin 53, second fin 56 to be located on first pipeline 52, second pipeline 55 again, to allow dense ammonia 75 be condensed into ammoniacal liquor 76 sooner.
Because the be provided with shape of condenser pipe 52,55 for tilting, and be the reflexed shape, can make ammoniacal liquor 76 along the end that flow to condenser second pipeline 55, this moment, the end of condenser second pipeline 55 was connected to one first liquid ammonia pipe 57, the leading portion of first liquid ammonia pipe 57 still is equipped with several the 3rd fins 58, to strengthen cooling, first liquid ammonia pipe 57 is led the pipeline 62 that pierces into into evaporimeter 60 through one second liquid ammonia pipe 59 again.
Wherein the liquid ammonia pipe of being formed with first liquid ammonia pipe 57 and second liquid ammonia pipe 59 is to form a fluid-tight loop between the two ends of liquid ammonia pipe, and this fluid-tight loop with the whole U shape that forms of liquid ammonia pipe, directly forms the fluid-tight loop in Fig. 2.As shown in Figure 4, because the other end of second liquid ammonia pipe 59 is an openend, making this openend is downward curved arc shape, form the flow export of water conservancy diversion, outflow with the guiding ammoniacal liquor, and prevent that ammoniacal liquor is adsorbed on the outer tube wall of liquid ammonia pipe, and the ammoniacal liquor of outflow is extended, make liquid ammonia pipe can not influence refrigerating capacity in the steam pipe because of being built in.
It is after allowing first liquid ammonia pipe 57 accept piece 61 places through one, to be contained in the pipeline 62 with second liquid ammonia pipe 59, and first liquid ammonia pipe 57 and second liquid ammonia pipe 59 are same pipeline in fact.And the pipeline of weak solution pipe 37 and rectifier 51 also is same pipeline with first pipeline 52, second pipeline 55 of condenser 50, all is the design in the convenient making.
Absorber pipeline 41 1 ends and the concentrated solution groove 31 of absorber 40 join, the weak solution 74 that backflow is arranged in the absorber 40, outside absorber pipeline 41, be provided with several absorber fins 42, absorber pipeline 41 inwalls are provided with an absorber screw 43, so that weak solution 74 along absorber pipeline 41 internal perisporiums around and descend, and the hydrogen 77 and ammonia steam 79 formed hydrogen ammonia gaseous mixtures that have flash-pot 60 to flow on the liquid level in the concentrated solution groove 31, the dense ammonia 75 that this gaseous mixture is located to deviate from the liquid level through solution (concentrated ammonia liquor 71), himself absorb dense ammonia 75 for the first time, again this gaseous mixture is imported in the absorber 40, to carry out secondary absorption reaction, dense ammonia 75 enters in absorber 40 pipelines 41 and with weak solution 74 reactions and after becoming concentrated solution 71, promptly is back to concentrated solution groove 31 along absorber screw 43.
In addition, the nearly other end of absorber 40 pipelines 41 forms blanketed zone 44, blanketed zone 44 is positioned at absorber pipeline 41 and locates with the top of weak solution pipe 38, be that utilization gravity is to suppress dense ammonia 75, absorber pipeline 41 other ends are connected to absorber switching piece 45 then, absorber switching piece 45 is connected to a wireway 46, is provided with several cooling fins 47 outside the wireway 46, further makes the end absorb dense completely ammonia and is cooled to ammoniacal liquor 76.
Because wireway 46 is the mode that bending down is provided with, make dense ammonia 75 and hydrogen 77 behind absorber 40, the dense ammonia 75 of part refluxes at the concentrated ammonia liquor 71 that absorber 40 is reacted into concentrated solution with the weak aqua ammonia 74 of backflow weak solution, ammonia amount in the gaseous mixture is reduced once more, just it is mobile through wireway 46 with the gaseous mixture of hydrogen 77 to produce rare ammonia 78, because in wireway 46 ends, major part is pure hydrogen 77, wireway 46 connects a hydrogen pipe 49, make hydrogen pipe 49 for up being provided with, the characteristic of hydrogen 77 hydrogen 77 guidings upwards flowed, owing to promptly can make the past more upper reaches of light more gas.
Wireway 46 ends are connected to concentrated solution groove 31 with an ammoniacal liquor drainage tube 48 1 in addition, wherein can in ammoniacal liquor drainage tube 48, be provided with a drainage tube capillary structure 481, to prevent too small generation fluid-tight of caliber or the fluid-tight phenomenon that is produced because of condensing, and prevent that the condensation ammoniacal liquor from lodging in the ammoniacal liquor drainage tube 48, be that the other end with ammoniacal liquor drainage tube 48 is connected to concentrated solution groove 31 subsurface positions, be back to concentrated solution groove 31 with the ammoniacal liquor of ammoniacal liquor drainage tube 48 guiding condensations; Hydrogen pipe 49 is also accepted piece 61 places through one, lead in the pipeline 62 that pierces into evaporimeter 60, as shown in Figure 4 and Figure 5, pipeline 62 at evaporimeter 60 has the hydrogen pipe 49 and second liquid ammonia pipe 59 simultaneously side by side, wherein be provided with a hydrogen pipe capillary structure 491 in the hydrogen pipe 49, to prevent fluid-tight, the pipeline 62 of this evaporimeter 60 can form the side U shape of bending, this forms outlet to hydrogen pipe 49 and second liquid ammonia pipe 59 to pipeline 62 interior nearly other end places, disengage ammoniacal liquor 76 and hydrogen 77 simultaneously, the ER that allows ammoniacal liquor 76 and hydrogen 77 carry out heat exchange, just can absorb heat and freeze, and produce ammonia steam 79 in evaporation back and reflux with the gaseous mixture of hydrogen 77, be back to an end of nearly pipeline 62 by the other end along pipeline 62 inner spaces, pipeline 62 is connected to an ingress pipe 64, makes the dense ammonia 75 of ammonia steam 79 enter concentrated solution groove 31 with hydrogen 77 through ingress pipe 64.
The end that wherein is not higher than second pipeline 55 at the other end of evaporimeter 60, for forming communicating pipe as the U shape, ammoniacal liquor 76 is flowed with gravity naturally, arrive the other end of pipeline 62 and flow out, because rate of heat exchange herein is fast, for the water conservancy diversion that makes things convenient for ammoniacal liquor goes out, end at second liquid ammonia pipe 59 is provided with an evaporimeter capillary structure 63, as shown in Figure 4, just form splendid guide function, flow out, utilize evaporimeter capillary structure 63 expansion ammoniacal liquor disengagement areas simultaneously with the guiding ammoniacal liquor, be beneficial to the evaporation ammonification steam of ammoniacal liquor, and promote freezing usefulness.So evaporimeter 60 of the present utility model can reach very fast heat exchange function under water conservancy diversion forward.Wherein can be more between the bending segment end face of the end face of condenser 50 second pipelines 55 ends and wireway 46, be equipped with an equilibrium pressure solenoid 65, in order to reach the balance of pressure between system, more can in equilibrium pressure solenoid 65, be provided with an equilibrium pressure solenoid capillary structure 651, with the fluid-tight phenomenon that prevents that condensation from being produced.
In addition, be provided with an evaporimeter screw 66 in evaporimeter 60 pipelines 62 inner tubal walls, this screw 66 is for making spiral helicine rill or concentric circles ditch in inner tubal wall or inserting spiral helicine spring or helical fiber bundle or have the object of capillary structure, capillary structure is mesh grid or sintering powder, fibre bundle or foaming metal, evaporimeter screw 66 all can be beneficial to the expansion of ammoniacal liquor liquid level, more and then promote freezing usefulness.Aforesaid absorber screw 43 can be similar or identical with evaporimeter screw 66.
In above-mentioned enforcement, all represent as thermolysis in condenser and absorber appearance with fin, it mainly is to produce heat exchange, so can outside condenser and absorber, respectively be provided with condenser heat exchanger, absorber exchange device, comprise above-mentioned piece-shape type heat radiation eel sheet, the radiator or the cooling jacket of integral type.The utility model has been made real product, is illustrated in figure 8 as test point, and Fig. 9 is the test result figure of partial test point, and following table is represented the probe temperature of each point.The state of its test is the ammoniacal liquor of operating weight percentage 25%, has charged into 15Kgf/cm 2Hydrogen, lie under 24.9 ℃ of the equal room temperatures, use the heater of 110V, 45W, and in generator and the equal coating ceramic cotton of evaporimeter.
Test point temperature ℃ desired location is all at outer surface
1 65.4 concentrated solution pipe initial points
2 122.8 concentrated solution pipe mid points
3 191.8 generator initial points
4 188.4 generator mid points
5 167.2 generators end point
6 157.9 liquid-gas separators
7 104.8 condenser initial points
8 41.8 condenser terminal points
9 41.6 weak solution return ducts end point
10 47.3 absorber initial points
11 51.4 absorber mid points
12 55.2 absorb the gas terminal point
The liquid level top of 13 44.8 concentrated solution grooves
The liquid level below of 14 44.4 concentrated solution grooves
15-29.9 evaporimeter internal reaction initial points
16-29.1 evaporimeters, second point
17-28.4 evaporimeters thirdly
18-26.5 evaporimeters the 4th point
19-24.0 evaporimeters the 5th point
20-19.2 evaporimeters the 6th point
21-0.2 evaporimeters the 7th point
22 10.0 evaporimeter internal reaction terminal points
By above-mentioned test, cooperate the line illustration of Fig. 9, under three hours test, promptly drove the operation that is bordering on balance in about 15 minutes, show that thus the utility model can reach the effect of running really very apace, and dwindled the volume of half approximately.
Structure in sum, the structure of the two sleeve pipes in the utility model utilization generator place reaches generation gas, and the further guiding of gas-liquid separation, and the usability in space improves, and make the temperature that adds the hot reflux weak solution once more to concentrated solution heating in the concentrated solution pipe, just can alleviate the burden of heater.
Secondly, be set to catadromous condenser and also be different from known coil pipe mode, and be connected with to the weak solution pipe, produce easier making and in pipeline, flow with making things convenient for liquid and gas with thicker pipeline.
Condensed ammoniacal liquor imports in the pipeline of evaporimeter with ad hoc base, the evaporimeter of utilization condominium formula, make condensed ammoniacal liquor form the state that imports in the evaporimeter with hydrogen, and be provided with capillary structure and form the curved arc shape in the openend of liquid ammonia pipe, make things convenient for the action of water conservancy diversion, promptly guide the expansion of ammoniacal liquor, and prevent that ammoniacal liquor is only not enough along the mobile expansion of the appearance of liquid ammonia pipe with capillary structure, and and then the cold degree situation of influence evaporation, promptly significantly improve because of capillary structure is set; Also be provided with choked flow and the screw of expanding the ammoniacal liquor evaporation surface in evaporator pipeline, therefore, the utility model is used most economical evaporator pipeline to form best flow process.
In addition, the structure of no independent hydrogen cabinet in the utility model, circulate in the system circuit and it is filled into the amount that is suitable for, also make things convenient for ammonia and flow hydrogen gas in the concentrated solution groove, and become the storage space of ammoniacal liquor, and in the concentrated solution groove, be provided with capillary structure to contain ammoniacal liquor, bigger ammoniacal liquor absorption reaction area also is provided.
And with the absorber of vertical type, make absorber form the forming process of dense ammoniacal liquor with special structure, and process is quite short and small, be different from known length fully around form of tubes, therefore, the utility model is used most economical pipeline to form best flow process, dwindle structure significantly, and can produce better heat exchange action, the body of refrigerating plant is greatly reduced, reduce weight, but produce than the better refrigerating effect of known technology, whole fine usability can be provided, be a kind of structure setting different fully with known technology.
The above is the detailed description and the accompanying drawing of preferred embodiment of the present utility model; be not to be used for limiting the utility model; protection domain of the present utility model should be as the criterion with the determined protection domain of claim; the embodiment and the approximate construction of all and the similar variation of the utility model all are contained among the determined protection domain of claim of the present utility model.

Claims (11)

1. an absorption-diffusion type refrigerator is characterized in that, comprising:
One concentrated solution groove to fit into the concentrated solution of concentrated ammonia liquor, is provided with a capillary structure in it, wherein concentrated solution groove capillary structure is that part is under liquid level, partly on liquid level, to increase the fluid level gauge area of absorption reaction;
One concentrated solution pipe, it is connect by the concentrated solution groove and draws concentrated solution, and the other end is an opening;
One weak solution pipe, it is placed in concentrated solution pipe foreign side, and crosses the other end of concentrated solution pipe;
One generator has a heater, and heater is adjacent to the weak solution pipe, and the weak solution pipe is conducted heat to the concentrated solution pipe, allows the concentrated solution pipe produce gas;
One gas-liquid separation device is formed between the openend and weak solution pipe of dense liquation pipe;
One rectifier, it has a pipeline and weak solution pipe mutually in succession, makes to be partially condensated as liquid in the gas that leaves gas-liquid separation device and to reflux;
One condenser, it has a pipeline and is connected with the pipeline of rectifier, and condenser pipe forms downward-sloping shape, and is provided with the heat exchanger of a condenser outside pipeline, and making condensation of gas is liquid;
One liquid ammonia pipe, one is terminated at the pipeline end of condenser, whole shape such as U shape, to form the pipeline of tool fluid-tight, its other end is an opening, and openend forms the curved arc shape be down, is provided with a liquid ammonia pipe capillary structure in openend again, with the expansion of capillary structure guiding helium liquid, and prevent that ammoniacal liquor from only flowing along the appearance of liquid ammonia pipe;
One weak solution return duct, it is connect by the nearly concentrated solution groove of weak solution pipe place and draws, and forms as the U shape, and its other end is lower than the height of concentrated solution pipe outlet in the gas-liquid separation device;
One absorber is the straight tube-like pipeline of vertical type, and its lower end of pipeline and concentrated solution groove join, and its stage casing of pipeline and weak solution return duct join, and it is provided with an absorber exchange device outward pipeline, is provided with a screw in it and flows with the guiding weak solution;
One wireway, itself and absorber upper end joins, and is provided with down, allows ammonia and hydrogen through absorber enter, and can allow the end be absorbed the ammonia that device absorbs and be condensed into ammoniacal liquor;
One equilibrium pressure solenoid, it is connected between condenser pipe and the wireway;
One ammoniacal liquor drainage tube, one is terminated at the wireway end, and its other end is connected to the liquid level lower area of concentrated solution groove, also is provided with an ammoniacal liquor drainage tube capillary structure in the ammoniacal liquor drainage tube and between the concentrated solution groove, is back to the concentrated solution groove with the ammoniacal liquor of guiding condensation;
One hydrogen pipe, one end and wireway end join, and are provided with up, and the other end is an opening, a hydrogen pipe capillary structure is set, to prevent fluid-tight in it; And
One evaporimeter, it has a pipeline, its pipeline upper end closed, its pipeline lower end and concentrated solution groove join, allowing hydrogen pipe back segment and liquid ammonia pipe be led by nearly lower end inserts in the evaporator pipeline, and in pipeline, extend to blind end, wherein make the height of liquid ammonia pipe openend be lower than the liquid level that liquid ammonia pipe is connected to condenser ends, blind end at evaporimeter disengages ammoniacal liquor and hydrogen simultaneously, make ammoniacal liquor evaporation heat absorption and carry out heat exchange reaction, discharge cold degree, and the ammonia steam that produces refluxed with hydrogen enter the concentrated solution groove;
2, absorption-diffusion type refrigerator as claimed in claim 1, it is characterized in that, the concentrated solution pipe is positioned at the mouth of pipe of concentrated solution groove for stretching out concentrated solution groove inner bottom surface or being connected to concentrated solution groove side, stops up this mouth of pipe to prevent all residues that flow in the concentrated solution groove.
3, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, also be provided with a heat conduction cover in the weak solution pipe and between outside the concentrated solution pipe, and heat conduction is arranged with through hole.
4, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, the screw in the absorber is spiral goove or concentric ditch or helical spring or helical fiber bundle.
5, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, the absorber screw is a capillary structure.
6, absorption-diffusion type refrigerator as claimed in claim 5 is characterized in that, capillary structure is mesh grid, sintered powder, fibre bundle or foaming metal.
7, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, is connected to an equilibrium pressure solenoid capillary structure in the equilibrium pressure solenoid, with the fluid-tight phenomenon that prevents that condensation from being caused.
8, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, also is provided with an evaporimeter screw in the evaporator pipeline.
9, absorption-diffusion type refrigerator as claimed in claim 8 is characterized in that, the evaporimeter screw is spiral goove or concentric ditch or helical spring or helical fiber bundle.
10, absorption-diffusion type refrigerator as claimed in claim 8 is characterized in that, the evaporimeter screw is a capillary structure, and this capillary structure is mesh grid, sintered powder, fibre bundle or foaming metal.
11, absorption-diffusion type refrigerator as claimed in claim 1 is characterized in that, condenser heat exchanger, absorber exchange device are radiator or radiating fin or cooling jacket.
CN 01225120 2001-06-01 2001-06-01 Absorption and diffusion freezer Expired - Fee Related CN2485601Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01225120 CN2485601Y (en) 2001-06-01 2001-06-01 Absorption and diffusion freezer

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Application Number Priority Date Filing Date Title
CN 01225120 CN2485601Y (en) 2001-06-01 2001-06-01 Absorption and diffusion freezer

Publications (1)

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CN2485601Y true CN2485601Y (en) 2002-04-10

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Application Number Title Priority Date Filing Date
CN 01225120 Expired - Fee Related CN2485601Y (en) 2001-06-01 2001-06-01 Absorption and diffusion freezer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121763A (en) * 2011-02-28 2011-07-13 浙江大学 Diffusion absorption type thermal converter
CN111156731A (en) * 2020-01-03 2020-05-15 北京市伟业供热设备有限责任公司 Absorption type cold and hot water unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121763A (en) * 2011-02-28 2011-07-13 浙江大学 Diffusion absorption type thermal converter
CN102121763B (en) * 2011-02-28 2012-06-06 浙江大学 Diffusion absorption type thermal converter
CN111156731A (en) * 2020-01-03 2020-05-15 北京市伟业供热设备有限责任公司 Absorption type cold and hot water unit

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