CN105928401B - A kind of detachable plate type phase transition of vacuum device - Google Patents
A kind of detachable plate type phase transition of vacuum device Download PDFInfo
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- CN105928401B CN105928401B CN201610424384.9A CN201610424384A CN105928401B CN 105928401 B CN105928401 B CN 105928401B CN 201610424384 A CN201610424384 A CN 201610424384A CN 105928401 B CN105928401 B CN 105928401B
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- vacuum
- passage
- normal pressure
- sap cavity
- phase transition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
Abstract
The present invention relates to a kind of detachable plate type phase transition of vacuum device.The vacuum passage of heat exchange module is arranged in parallel with each other and separately, two heat exchange modules are ratcheting each other to form phase transition of vacuum device, leaves gap as normal pressure wing passage between adjacent vacuum channels, and all normal pressure wing passages are connected；The normal pressure wing passage respectively with normal pressure side liquid entrance and normal pressure side liquid outlet.By the ratcheting connected mode of uniqueness, realize and normal pressure wing passage is unpicked and washed in the case where not destroying vacuum passage vacuum.Further, the top of corresponding each plate is provided with cloth sap cavity, cloth sap cavity is divided into cloth liquid space and overflow volume by downflow weir, the downflow weir is located at the surface of respective plates, the cloth liquid space is connected with liquid inlet, the overflow volume connects with vacuum passage, between two above each vacuum passage overflow volume be provided with gas passage respectively with vacuum passage and orifice；The as phase transition of vacuum device of film evaporation device form.
Description
Technical field
The invention belongs to heat pump and heat exchange equipment technology, more particularly to a kind of detachable plate type phase transition of vacuum device.
Background technology
Concentration of juices, paper industry black liquor vaporizing, desalinization etc. are led in lithium bromide absorption type heat pump, food service industry
Domain, there is the demand that fluid was evaporated or condensed phase transformation under certain vacuum degree, this kind of technological process is required in heat exchanger,
Normal pressure side liquid realizes the evaporative condenser phase transition process of vacuum side liquid as thermal source heat sink.Wherein evaporation desorption occurrence of equipment should
With the most extensively, according to Process flow, evaporator can be divided into two kinds of flooded evaporator and falling film evaporator.Falling film evaporator is
A kind of efficient evaporation equipment, has that the temperature difference is small, the holdup time is short, long working life, compact-sized, effect number is unrestricted etc. excellent
Point.Falling film evaporator is broadly divided into by the form difference of cloth liquid wall：Plate-type down-film evaporator, VERTICAL TUBE falling film evaporator and level
Pipe falling film evaporator etc..Compared to tube shell type structure, plank frame can reduce cost and build by spoke greatly.
Existing patent：1201280046366.1 " this plate-type evaporator is provided with the plate-type evaporator and shell of film-lowering type
Plate-type evaporator device " be a kind of tube-sheet type structure, plate type falling-film evaporating space is coupled with condensation space and is enclosed in one
In individual housing, it can not unpick and wash；" 2201210557232.8 a kind of plate-type condenser " is on the basis of Conventional plate-type heat exchanger structure
On, the improvement of ripple flow is carried out, gas to be condensed does not have vacuum level requirements.
Prior art can not realize removable plank frame in the phase transition of vacuum device for carrying out film evaporation device form.By
In can not carry out unpicking and washing maintenance in the case where not destroying vacuum, cause this structure in this vacuum of lithium bromide absorption type heat pump
Spending higher and normal pressure side liquid can not apply if in the equipment of the easy fouling of hot net water.
The content of the invention
In view of the shortcomings of the prior art, the invention provides a kind of detachable plate type phase transition of vacuum device.
A kind of detachable plate type phase transition of vacuum device, including two heat exchange modules；
The heat exchange module, 2 to multiple vacuum passages 7 connect as one, and are arranged in parallel with each other and separately, the vacuum
The passage that passage 7 is made up of a pair of plates, and be connected respectively with gas interface 10 and liquid outlet 12；
Two heat exchange modules are ratcheting each other to form the phase transition of vacuum device, and gap work is left between adjacent vacuum channels 7
For normal pressure wing passage 8, and all normal pressure wing passages 8 are connected；The normal pressure wing passage 8 respectively with normal pressure side liquid entrance 13
Connected with normal pressure side liquid outlet 14；
When needing, two ratcheting heat exchange module sides are pulled out, you can realize the feelings in the vacuum for not destroying vacuum passage 7
Normal pressure wing passage 8 is unpicked and washed under condition.
Preferably, air cavity 2 and the same side that sap cavity 9 is located at the heat exchange module is gone out；Air cavity 2 is located at the top of the side,
The top of each vacuum passage 7 is provided with gas passage 3, and gas passage 3 is connected by air cavity 2 with gas interface 10；Go out sap cavity 9
In the bottom of the side, vacuum passage 7 is connected by going out sap cavity 9 with liquid outlet 12.
Further, the heat exchange module, the top of corresponding each plate are provided with cloth sap cavity, the length of the cloth sap cavity etc.
In the width of vacuum passage 7, cloth sap cavity is divided into cloth liquid space 6 and overflow volume 5 by downflow weir 4；The downflow weir 4 is located at phase
The surface of plate is answered, the cloth liquid space 6 connects with liquid inlet 11, and the overflow volume 5 connects with vacuum passage 7, each
Gas passage 3, downside and the vacuum passage 7 of the gas passage 3 are provided between two overflow volumes 5 of the top of vacuum passage 7
Connection, upside connects with gas interface 10；The lower section of vacuum passage 7 connects with liquid outlet 12；
The phase transition of vacuum device is falling film type phase transition of vacuum device.
Preferably, air cavity 2, enter sap cavity 1 and go out the same side that sap cavity 9 is located at the heat exchange module；Air cavity 2 and enter sap cavity 1
Positioned at the top of the side, gas passage 3 is connected by air cavity 2 with gas interface 10, and cloth liquid space 6 is by entering sap cavity 1 and entering liquid
Mouth 11 connects；Go out the bottom that sap cavity 9 is located at the side, vacuum passage 7 connects by going out sap cavity 9 with liquid outlet 12.
The normal pressure side liquid outlet 14 and normal pressure side liquid entrance 13 are each passed through the vacuum passage 7 on the outside of heat exchange module
Connected with normal pressure wing passage 8.
Beneficial effects of the present invention are：
1st, the present apparatus is realized in the case where not destroying vacuum passage vacuum to normal by the ratcheting connected mode of uniqueness
Pressure wing passage is unpicked and washed.
2nd, when the present apparatus is falling film type phase transition of vacuum device, cloth liquid mode reasonable in design is passed through, it is ensured that liquid to be phased
The stable film evaporation device in vacuum passage.
3rd, the present apparatus can apply to the industrial process that two kinds of gas-liquid different phase fluids separate under vacuum conditions, such as eat
Concentration of juices, paper industry black liquor vaporizing, desalinization, lithium bromide absorption type heat pump generator etc. in conduct industry；Also can apply
In the industrial process that two kinds of gas-liquid different phase fluids mix under vacuum conditions, such as the absorber of lithium bromide absorption type heat pump；
The industrial process of pure fluid gas-liquid phase transition under vacuum conditions is applied also for, such as evaporator and condenser.
Brief description of the drawings
Fig. 1 is the three-view diagram of heat exchange module；Wherein, A is front view, and B is left view, and C is top view.
Fig. 2 is the three-view diagram of heat exchange module；Wherein, A is front view, and B is right view, and C is top view.
Fig. 3 is the three-view diagram of the detachable plate type phase transition of vacuum device of the composition of heat exchange module shown in Fig. 1 and Fig. 2；Wherein, A is
Front view, B are left view, and C is top view.
Fig. 4 is the three-dimensional sectional side view of detachable plate type phase transition of vacuum device shown in Fig. 3.
Label declaration：1- enters sap cavity, 2- air cavitys, 3- gas passages, 4- discharges weir, 5- overflow volumes, 6- cloth liquid spaces, 7-
Vacuum passage, 8- normal pressure wing passages, 9- go out sap cavity, 10- gas interfaces, 11- liquid inlets, 12- liquid outlets, 13- normal pressure side liquids
Entrance, the outlet of 14- normal pressures side liquid.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.It is emphasized that the description below
It is merely exemplary, the scope being not intended to be limiting of the invention and its application.
A kind of detachable plate type phase transition of vacuum device as Figure 3-Figure 4, it is falling film type phase transition of vacuum device, it includes two
Heat exchange module, respectively as depicted in figs. 1 and 2, differ only in the height of normal pressure side liquid outlet 14 and normal pressure side liquid entrance 13
Degree is different, and this is to not influence flowing into and out for normal pressure side liquid after ensureing the ratcheting connection of two heat exchange modules.
Heat exchange module as depicted in figs. 1 and 2, two vacuum passages 7 are connected as one, are arranged in parallel with each other and alternate
Every；The vacuum passage 7 is the rectangular channel being welded to form by a pair of corrugated cardboard sheets.
Air cavity 2, enter sap cavity 1 and go out the same side that sap cavity 9 is located at the heat exchange module；Air cavity 2 and enter sap cavity 1 and be located at the side
Top, air cavity 2 connects with gas interface 10, enters sap cavity 1 and connected with liquid inlet 11；Go out the bottom that sap cavity 9 is located at the side, respectively
Connected with vacuum passage 7 and liquid outlet 12；
The top of corresponding each plate is provided with direct-connected cloth sap cavity, so that being independent of each other between cloth sap cavity.The cloth
The length of sap cavity is equal to the width of vacuum passage 7, and cloth sap cavity is divided into cloth liquid space 6 and overflow volume 5 by downflow weir 4, described
Downflow weir 4 corresponds with plate, and positioned at the surface of respective plates, the cloth liquid space 6 connects with entering sap cavity 1, described to overflow
Fluid space 5 is connected with vacuum passage 7, and gas passage 3 is provided between two overflow volumes 5 of each top of vacuum passage 7, described
The downside of gas passage 3 connects with vacuum passage 7, and upside connects with air cavity 2.The side wall of downflow weir 4 and gas passage 3 is made jointly
With preventing liquid splash from ensuring to stablize falling liquid film.
Ratcheting connection forms the detachable plate type phase transition of vacuum device to two heat exchange modules each other, adjacent vacuum channels 7 it
Between leave gap as normal pressure wing passage 8, and all normal pressure wing passages 8 are connected.
Normal pressure side liquid outlet 14 and normal pressure side liquid entrance 13 be each passed through vacuum passage 7 on the outside of heat exchange module with often
Pressure wing passage 8 is flexible coupling.
The operation principle of falling film type phase transition of vacuum device is：
The liquid for entering device from liquid inlet 11 is initially entered into sap cavity 1, and each cloth liquid air is further separated into by enter sap cavity 1
Between 6, liquid level exceed discharge weir 4 height after, enter vacuum passage 7, this overflow cloth liquid mode by the overflow film forming of discharge weir 4
It can prevent that carrying out liquid blocks cloth sap cavity.Thermal source (remittance) enters normal pressure side by the normal pressure side liquid entrance 13 of one of heat exchange module
Passage 8, falling-film liquid pass through plate countercurrent flow with thermal source (remittance).In vacuum passage 7, with gas alternate interact occurs for liquid
Act on, the heat in phase transition process is provided by the thermal source (remittance) in normal pressure wing passage 8 and taken away, by the normal pressure of another heat exchange module
Side liquid exports 14 bleeders, and gas is flowed out and (entered) from gas passage 3, and (entrance) device, falling liquid film are left from gas interface 10
The liquid of flowing is collected and by the separating device of liquid outlet 12 after completing dislocation kink in bottom by going out sap cavity 9.Gas connects
Mouth 10, liquid inlet 11, liquid outlet 12 collect disengaging by the cavity of each heat exchange module side, with entering for normal pressure side thermal source (remittance)
Mouth and outlet are independent of each other.
If necessary, two ratcheting heat exchange module sides are pulled out, you can untie being flexible coupling and exposing often for normal pressure wing passage 8
The wall of wing passage 8 is pressed, is unpicked and washed so as to be realized on the basis of the vacuum of vacuum passage 7 is not destroyed.
When the present invention is applied to generator, absorber, evaporator and the condenser of lithium bromide absorption type heat pump, condenser
Top is not included into sap cavity 1 and cloth sap cavity, and downflow weir 4, cloth liquid space 6 and overflow volume 5, using non-falling film type structure
Device；Generator, absorber and evaporator use the device of falling film type structure, realize that film evaporation device is concurrent under vacuum conditions
Raw phase transformation separation or mixed process.
Claims (5)
1. a kind of detachable plate type phase transition of vacuum device, it is characterised in that including two heat exchange modules；
The heat exchange module, more than 2 vacuum passages (7) connect as one, and are arranged in parallel with each other and separately, the vacuum is led to
The passage that road (7) is made up of a pair of plates, and be connected respectively with gas interface (10) and liquid outlet (12)；
The ratcheting composition phase transition of vacuum device, adjacent vacuum channels leave gap conduct to two heat exchange modules between (7) each other
Normal pressure wing passage (8), and all normal pressure wing passages (8) are connected；The normal pressure wing passage (8) enters with normal pressure side liquid respectively
Mouth (13) connects with normal pressure side liquid outlet (14)；
When needing, two ratcheting heat exchange module sides are pulled out, you can realize the situation in the vacuum for not destroying vacuum passage (7)
Under normal pressure wing passage (8) is unpicked and washed.
2. a kind of detachable plate type phase transition of vacuum device according to claim 1, it is characterised in that air cavity (2) and go out sap cavity (9)
Positioned at the same side of the heat exchange module；Air cavity (2) is located at the top of the side, and gas is provided with the top of each vacuum passage (7)
Body passage (3), gas passage (3) are connected by air cavity (2) with gas interface (10)；Go out the bottom that sap cavity (9) is located at the side, very
Empty passage (7) is connected by going out sap cavity (9) with liquid outlet (12).
A kind of 3. detachable plate type phase transition of vacuum device according to claim 1, it is characterised in that the heat exchange module, it is corresponding
The top of each plate is provided with cloth sap cavity, and the length of the cloth sap cavity is equal to the width of vacuum passage (7), and cloth sap cavity is by downflow weir
(4) it is divided into cloth liquid space (6) and overflow volume (5)；The downflow weir (4) is located at the surface of respective plates, the cloth liquid
Space (6) connects with liquid inlet (11), and the overflow volume (5) connects with vacuum passage (7), above each vacuum passage (7)
Two overflow volumes (5) between be provided with gas passage (3), the downside of the gas passage (3) connects with vacuum passage (7),
Upside connects with gas interface (10)；The lower section of vacuum passage (7) connects with liquid outlet (12)；
The phase transition of vacuum device is falling film type phase transition of vacuum device.
4. a kind of detachable plate type phase transition of vacuum device according to claim 3, it is characterised in that air cavity (2), enter sap cavity (1)
With the same side for going out sap cavity (9) and being located at the heat exchange module；Air cavity (2) and enter the top that sap cavity (1) is located at the side, gas passage
(3) connected by air cavity (2) with gas interface (10), cloth liquid space (6) is connected by entering sap cavity (1) with liquid inlet (11)；Go out
Sap cavity (9) is located at the bottom of the side, and vacuum passage (7) is connected by going out sap cavity (9) with liquid outlet (12).
5. a kind of detachable plate type phase transition of vacuum device according to claim 1-4 any claims, it is characterised in that described
Normal pressure side liquid outlet (14) and normal pressure side liquid entrance (13) are each passed through vacuum passage (7) and normal pressure on the outside of heat exchange module
Wing passage (8) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424384.9A CN105928401B (en) | 2016-06-15 | 2016-06-15 | A kind of detachable plate type phase transition of vacuum device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610424384.9A CN105928401B (en) | 2016-06-15 | 2016-06-15 | A kind of detachable plate type phase transition of vacuum device |
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| Publication Number | Publication Date |
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| CN105928401A CN105928401A (en) | 2016-09-07 |
| CN105928401B true CN105928401B (en) | 2017-11-14 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017424A (en) * | 2012-08-14 | 2013-04-03 | 苏州必信空调有限公司 | Plate type condenser |
| CN203116570U (en) * | 2012-08-13 | 2013-08-07 | 内蒙古工业大学 | Unit anticorrosive plate-type heat exchanger capable of being conveniently disassembled, assembled and combined |
| CN103827620A (en) * | 2011-09-22 | 2014-05-28 | 阿尔法拉瓦尔股份有限公司 | A plate evaporator of the falling film type, and a plate evaporator apparatus having such a plate evaporator arranged in a housing |
| CN104169672A (en) * | 2012-03-14 | 2014-11-26 | 阿尔法拉瓦尔股份有限公司 | Channel plate heat transfer system |
| US8950200B2 (en) * | 2011-08-23 | 2015-02-10 | Phoenix Manufacturing, Inc. | Evaporative condenser cooling unit and method |
| CN205860840U (en) * | 2016-06-15 | 2017-01-04 | 清华大学 | A kind of detachable plate type phase transition of vacuum device |
-
2016
- 2016-06-15 CN CN201610424384.9A patent/CN105928401B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8950200B2 (en) * | 2011-08-23 | 2015-02-10 | Phoenix Manufacturing, Inc. | Evaporative condenser cooling unit and method |
| CN103827620A (en) * | 2011-09-22 | 2014-05-28 | 阿尔法拉瓦尔股份有限公司 | A plate evaporator of the falling film type, and a plate evaporator apparatus having such a plate evaporator arranged in a housing |
| CN104169672A (en) * | 2012-03-14 | 2014-11-26 | 阿尔法拉瓦尔股份有限公司 | Channel plate heat transfer system |
| CN203116570U (en) * | 2012-08-13 | 2013-08-07 | 内蒙古工业大学 | Unit anticorrosive plate-type heat exchanger capable of being conveniently disassembled, assembled and combined |
| CN103017424A (en) * | 2012-08-14 | 2013-04-03 | 苏州必信空调有限公司 | Plate type condenser |
| CN205860840U (en) * | 2016-06-15 | 2017-01-04 | 清华大学 | A kind of detachable plate type phase transition of vacuum device |
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| CN105928401A (en) | 2016-09-07 |
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