CN102121767A - Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method - Google Patents
Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method Download PDFInfo
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- CN102121767A CN102121767A CN 201110004853 CN201110004853A CN102121767A CN 102121767 A CN102121767 A CN 102121767A CN 201110004853 CN201110004853 CN 201110004853 CN 201110004853 A CN201110004853 A CN 201110004853A CN 102121767 A CN102121767 A CN 102121767A
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- inlet pipe
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Abstract
The invention discloses a bubble absorption enhancing device in a refrigeration system. The device comprises a cylindrical bubble absorber main body and a magnetic field, wherein the inner space of the cylindrical bubble absorber main body is divided into three parts through an overflow plate: the upper space is communicated, and the lower space is separated into an absorber and an overflow receiver; a liquid inlet and a liquid outlet are arranged at the centers of the bottoms of the absorber and the overflow receiver respectively; an air inlet pipe is led to the absorber through the side wall of the absorber; the air inlet pipe in the absorber is an annular air inlet pipe taking the opening of the liquid inlet as a circle center; air inlet holes are uniformly distributed on the air inlet pipe; a cooling water pipe is arranged between the upper part of the air inlet pipe and the liquid surface of a solution; and in a magnetic field part, a motor is fixed above the cylindrical bubble absorber; a motor shaft is fixedly connected with a cantilever; the two sides of the cantilever are connected with a bracket; and permanent magnets are fixed on the bracket respectively. In the variable magnetic field applying method, magnetic nano particles are added into an absorption solution; the motor drives the permanent magnets to rotate and generate periodical change of the magnetic field; and the mass transfer and heat transfer performance of the absorber are enhanced by enhancing the disturbance of the magnetic nano particles.
Description
Technical field
The present invention relates to bubbling absorption enhancement device and variable magnetic field applying method in a kind of refrigeration system, belong to refrigeration technology field.
Background technology
In traditional absorbent refrigeration system, the low bottleneck that has become absorption refrigeration agent development of absorption coefficient, the common volume of tradition Absorption Refrigerator is bigger, thermodynamic coefficient is lower, its application is very limited, raising along with living standards of the people, various domestic type refrigerating plants are that the market prospects of a class small-sized refrigerator of representative are very wide with the villa type central air conditioner system particularly, and confidential these fields that enters of absorption refrigeration must solve the low problem that reaches miniaturization of mass tranfer coefficient.At present, researcher has proposed a kind of scheme that improves mass tranfer coefficient and miniaturization, promptly in absorption system, use falling-film absorber, the inventor thinks that subject matter and the shortcoming of using falling-film absorber to exist are: one, the volume ratio bubble type of same absorbent effect descending film absorber is big, and falling-film absorber film forming instability; Two, weak effect, the input of increase is disproportionate with the effect of receiving; Three, poor work stability has limited application in practice.
Summary of the invention
The invention discloses bubbling absorption enhancement device and variable magnetic field applying method in a kind of refrigeration system, its purpose is to overcome uses falling-film absorber to exist strengthening effect not good in the prior art, and operating efficiency is poor, problems such as less economical difficult popularization.The present invention adopts bubbling absorption enhancement device and variable magnetic field applying method, not only the heat and mass transfer process that absorbs is had invigoration effect, makes its efficient be much higher than traditional absorber; Use permanent magnet and motor as magnetic field source, just increased a small amount of cost, but brought the raising greatly of absorption efficiency, and be convenient to realize the miniaturization of absorption system.
Bubbling absorption enhancement device in a kind of refrigeration system, comprise cylinder bubbling absorber body and magnetic field, described cylinder bubbling absorber body is divided into three parts by overflow plate with interior space: upper space is communicated with, lower space is cut off the two parts that differ in size for volume, the big part in space is an absorber, solution is equipped with in inside, the little part in space is the overflow receiver, inlet is arranged on the absorber bottom center, liquid outlet is arranged on overflow receiver bottom centre position, the refrigerant vapour air inlet pipe is led to absorber by the condensed steam air inlet that is arranged on the absorber sidewall, in absorber being one is the ring-type air inlet pipe in the center of circle with the inlet, the air admission hole of evenly arranging on the ring-type air inlet pipe is provided with cooling water pipe between air inlet pipe top and the liquid level of solution, and described cooling water pipe is a coil pipe;
Described magnetic field comprises motor, cantilever, support and permanent magnet, and described motor is fixed on cylinder bubbling absorber body top, and motor shaft is affixed by the connecting hole and the cantilever of cantilever, and the cantilever both sides respectively are connected with support, and permanent magnet is separately fixed on the support.
The applying method that is used for the bubbling absorption enhancement device variable magnetic field of refrigeration system is: add magnetic nanoparticle in absorbent solution, the driven by motor permanent magnet rotates, the generation periodical magnetic filed changes, and by strengthening the disturbance of magnetic nanoparticle, strengthens the mass transfer and the heat transfer property of absorber.
Its upper surface of described permanent magnet is higher than liquid level, and the lower surface is lower than air inlet pipe.
It is provided with guide rail described cantilever, by bolt support is connected with cantilever, makes support adjustable in the position of cantilever, and by being connected the magnet on the support, regulating action is in the magnetic field intensity of absorber.
Advantage of the present invention and good effect are:
1, uses the disturbance of magnetic nanoparticle under varying magnetic field to strengthen and conduct heat and mass tranfer coefficient, to increase absorption efficiency;
2, the design of refrigerant vapour ring-type air feeder structure makes refrigerant vapour more abundant with mixing of absorbent solution, with the mass transport process of strengthening absorbing;
3, magnetic field of Tian Jiaing and nano magnetic particle are all harmless to human body and environment, meet environmental protection requirement;
4, simple in structure, function admirable helps the popularization of small absorption refrigeration system.
Description of drawings
Fig. 1 is the bubbling absorber structural representation that adds magnetic field and magnetic nanoparticle;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a support cantilever vertical view.
1, air inlet pipe, 2, cooling water pipe, 3, permanent magnet, 4, support, 5, absorber body, 6, motor, 7, overflow plate, 8, liquid outlet, 9, inlet, 10, air admission hole, 11, bolt, 12, guide rail, 13, cantilever, 14, the ring-type air inlet pipe, 15, absorber, 16, overflow receiver, 17, connecting hole.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Bubbling absorption enhancement device in the refrigeration system is as shown in Figure 1: comprise cylinder bubbling absorber body and magnetic field, described cylinder bubbling absorber body 5 is divided into three parts by overflow plate 7 with interior space: upper space is communicated with, lower space is cut off the two parts that differ in size for volume, the big part in space is an absorber 15, solution is equipped with in inside, the little part in space is an overflow receiver 16, inlet 9 is arranged on the absorber bottom center, liquid outlet 8 is arranged on overflow receiver bottom centre position, and refrigerant vapour air inlet pipe 1 is led to absorber 15 by the condensed steam air inlet that is arranged on the absorber sidewall; Be provided with cooling water pipe 2 between air inlet pipe 1 top and the liquid level of solution, described cooling water pipe is a coil pipe;
Described magnetic field comprises motor 6, cantilever 13, support 4 and permanent magnet 3, described motor 6 is fixed on cylinder bubbling absorber body top, motor shaft is affixed with cantilever 13 by the connecting hole 17 of cantilever, and the cantilever both sides respectively are connected with support 4, and permanent magnet 3 is separately fixed on the support 4.Permanent magnet 3 its upper surfaces are higher than liquid level, and the lower surface is lower than air inlet pipe 1.
As shown in Figure 2: in absorber inside center position, it is the ring-type air inlet pipe 14 in the center of circle with the inlet that air inlet pipe is one, the air admission hole 10 of evenly arranging on the ring-type air inlet pipe, the condensed steam circle air admission hole 10 on air inlet pipe 1 enters in the solution, carries out bubbling and absorbs.
As shown in Figure 3: it is provided with guide rail 12 cantilever 13, by bolt 11 support 4 is connected with cantilever 13, makes support 4 adjustable in the position of cantilever.
When absorption process was carried out, motor 6 drove permanent magnet 3 and rotates, and produces periodically variable magnetic field.Solution is entered in the absorber 5 by inlet 9, and magnetic nanoparticle is done violent disturbance under the effect in cyclically-varying magnetic field, and to increase heat transfer coefficient and mass tranfer coefficient, the heat that produces in the process is taken away by cooling water pipe 2.Refrigerant vapour is entered in the absorber by air admission hole 10 through air inlet pipe 1, and air admission hole 10 can guarantee that refrigerant vapour enters absorber with the form of disperseing bubble, with full and uniform the mixing of absorbent solution, to strengthen mass tranfer coefficient, makes the miniaturization of absorber become possibility.
Claims (4)
1. the bubbling absorption enhancement device in the refrigeration system comprises cylinder bubbling absorber and magnetic field, it is characterized in that:
A) described cylinder bubbling absorber body is divided into three parts by overflow plate with interior space: upper space is communicated with, lower space is cut off the two parts that differ in size for volume, the big part in space is an absorber, solution is equipped with in inside, the little part in space is the overflow receiver, inlet is arranged on the absorber bottom center, liquid outlet is arranged on overflow receiver bottom centre position, the refrigerant vapour air inlet pipe is led to absorber by the condensed steam air inlet that is arranged on the absorber sidewall, to be one be the ring-type air inlet pipe in the center of circle with the inlet to the air inlet pipe shape in absorber, the air admission hole of evenly arranging on the ring-type air inlet pipe, be provided with cooling water pipe between air inlet pipe top and the liquid level of solution, described cooling water pipe is a coil pipe;
B) described magnetic field comprises motor, cantilever, support and permanent magnet, and described motor is fixed on cylinder bubbling absorber body top, and motor shaft is affixed by the connecting hole and the cantilever of cantilever, and the cantilever both sides respectively are connected with support, and permanent magnet is separately fixed on the support.
2. the variable magnetic field applying method of bubbling absorption enhancement device in the refrigeration system according to claim 1, it is characterized in that: in absorbent solution, add magnetic nanoparticle, the driven by motor permanent magnet rotates, the generation periodical magnetic filed changes, by strengthening the disturbance of magnetic nanoparticle, strengthen the mass transfer and the heat transfer property of absorber.
3. the bubbling absorption enhancement device in the refrigeration system according to claim 1 is characterized in that: its upper surface of described permanent magnet is higher than liquid level, and the lower surface is lower than air inlet pipe.
4. the bubbling absorption enhancement device in the refrigeration system according to claim 1, it is characterized in that: it is provided with guide rail described cantilever, by bolt support is connected with cantilever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100048539A CN102121767B (en) | 2011-01-11 | 2011-01-11 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100048539A CN102121767B (en) | 2011-01-11 | 2011-01-11 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102121767A true CN102121767A (en) | 2011-07-13 |
| CN102121767B CN102121767B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100048539A Expired - Fee Related CN102121767B (en) | 2011-01-11 | 2011-01-11 | Bubble absorption enhancing device in refrigeration system and variable magnetic field applying method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283972A (en) * | 2020-09-16 | 2021-01-29 | 北京建筑大学 | Bubbling absorption type lithium bromide absorption heat pump and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509334A (en) * | 1982-08-31 | 1985-04-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Magnetic refrigerator |
| CN2049744U (en) * | 1989-03-21 | 1989-12-20 | 安徽省广播电视厅微波总站 | Induction heating and refrigerating apparatus |
| CN2327961Y (en) * | 1998-01-15 | 1999-07-07 | 成都希望电子研究所 | Vaporizing and absorbing circulator for absorption refrigerator |
| JP2000304385A (en) * | 1999-04-14 | 2000-11-02 | Tokyo Gas Co Ltd | Absorption type hot and chilled water generator |
| CN1341833A (en) * | 2001-09-27 | 2002-03-27 | 江苏双良空调设备股份有限公司 | Magnetic treatment and modification equipment for lithium-bromide solution of lithium bromide absorption refrigerating machine unit |
-
2011
- 2011-01-11 CN CN2011100048539A patent/CN102121767B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509334A (en) * | 1982-08-31 | 1985-04-09 | Tokyo Shibaura Denki Kabushiki Kaisha | Magnetic refrigerator |
| CN2049744U (en) * | 1989-03-21 | 1989-12-20 | 安徽省广播电视厅微波总站 | Induction heating and refrigerating apparatus |
| CN2327961Y (en) * | 1998-01-15 | 1999-07-07 | 成都希望电子研究所 | Vaporizing and absorbing circulator for absorption refrigerator |
| JP2000304385A (en) * | 1999-04-14 | 2000-11-02 | Tokyo Gas Co Ltd | Absorption type hot and chilled water generator |
| CN1341833A (en) * | 2001-09-27 | 2002-03-27 | 江苏双良空调设备股份有限公司 | Magnetic treatment and modification equipment for lithium-bromide solution of lithium bromide absorption refrigerating machine unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283972A (en) * | 2020-09-16 | 2021-01-29 | 北京建筑大学 | Bubbling absorption type lithium bromide absorption heat pump and control method thereof |
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| Publication number | Publication date |
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| CN102121767B (en) | 2012-08-22 |
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