CN104848727A - Heat exchanger and method for demisting - Google Patents
Heat exchanger and method for demisting Download PDFInfo
- Publication number
- CN104848727A CN104848727A CN201510077534.9A CN201510077534A CN104848727A CN 104848727 A CN104848727 A CN 104848727A CN 201510077534 A CN201510077534 A CN 201510077534A CN 104848727 A CN104848727 A CN 104848727A
- Authority
- CN
- China
- Prior art keywords
- section
- housing
- heat exchanger
- gas
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28B—STEAM OR VAPOUR CONDENSERS
- F28B1/00—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser
- F28B1/02—Condensers in which the steam or vapour is separate from the cooling medium by walls, e.g. surface condenser using water or other liquid as the cooling medium
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
- F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
- F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
-
- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0038—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for drying or dehumidifying gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/06—Safety or protection arrangements; Arrangements for preventing malfunction by using means for draining heat exchange media from heat exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchanger for and a method of demisting a gas wherein the heat exchanger (1) comprises a case (2) with at least a case inlet for a gas to be demisted (3) and at least a case outlet for the gas to be demisted (4), a separation structure (6) located within the case defining a first section (7) and a second section comprising a hollow curved volume (8), means for heat transfer (10) housed within the first section; and wherein the first section has the case inlet (3) and the second section has the case outlet (4) and a liquid drainage (16) and a channel (17) having a longitudinal axis directed towards a side of the case (2) to pass gas from the first section (7) to the second section (8) such that the gas-flow is tangential to the case curvature and the gas undergoes centrifugal forces.
Description
Technical field
The disclosure relates to a kind of heat exchanger and the method for demist.
Heat exchanger is used for cooling or heated air, preferably Compressed Gas such as CO
2.
Background technology
File EP 2 365 269 discloses a kind of heat exchanger, and it is divided into the housing of two sections by stop with its inside.Hold the tube bank being used for cooling fluid in a first section and in the second section, be provided with demister and discharge opeing portion (liquid drainge).Demister flatly extends and such as can be limited by silk screen in the second section.
During operation, gas such as CO
2enter the first section, it is cooled when through tube bank, then its by overcoming stop and entering the second section in the second section gas by demist.Liquid be collected at the bottom place of the second section and remove and gas by the top removal from the second section.
Summary of the invention
Inventor finds a kind of method improving the demist of gas, and the liquid that the gas shifted out by the second section of the heat exchanger from this description compared with the liquid that pull with the gas shifted out by the heat exchanger from prior art is pulled is restricted and preferably reduce.
These and other aspect obtain by providing a kind of heat exchanger according to claims and method.
Accompanying drawing explanation
Illustrated by non-limiting example in the accompanying drawings, but other feature and advantage are by more apparent in the explanation of the preferred non-exclusive embodiment from heat exchanger and method, wherein:
Fig. 1 and 2 illustrates the different examples of heat exchanger;
Fig. 3 illustrates the isolating construction between first and second section of heat exchanger;
Fig. 4 illustrates the cross section of line IV-IV, V-V and VI-VI respectively by Fig. 3 to 6;
Fig. 7 and 8 is front view and the perspective view of steering gear;
Fig. 9 and 10 is illustrated and to be circulated by the gas of the second section of heat exchanger.
List of numerals
1 heat exchanger
2 housings
3 housing inlet port
4 housing outlets
6 isolating constructions
7 first sections
8 second sections
9 distributors
10 tube banks
11 entrances
12 outlets
15 walls
16 discharge opeing portions
17 passages
18 axis
22 walls
25 steering gears
26 second discharge opeing portions
G gas
L drop.
Detailed description of the invention
With reference to accompanying drawing, these accompanying drawings illustrate heat exchanger 1, and it comprises with for such as CO
2at least one housing inlet port 3 of the gas of (other gas is also possible in a word) and the housing 2 of at least one housing outlets 4.The isolating construction 6 being positioned at housing 2 limits the first and second sections 7,8.
First section 7 holds tube bank 10; The pipe of tube bank 10 be preferably U-shaped and the other end that there is one end of being connected to entrance 11 and be connected to outlet 12 for cooling or add hot fluid (sweep of U-shaped pipe is not shown).In the example shown, entrance 11 and outlet 12 are on the homonymy of heat exchanger 1, and certainly different embodiments is for the pipe (such as, pipe can have the shape being different from U-shaped) of tube bank 10 and be possible for entrance 11 and/or outlet 12 positions.In addition, replacing tube bank 10, any device for conducting heat can being used; Such as, the plate of the Ziepack system implementing Alfa Laval can be used.
Advantageously, between housing inlet port 3 and tube bank 10, distributor 9 is provided with.In this example, distributor 9 is limited by the plate of boring a hole, and the gas entering housing 2 distributes by it on whole first section 7.For this reason, the plate of perforation is preferably bored a hole unevenly.In fact, need the plate of boring a hole unevenly even to make at the stream in distributor 9 downstream at the stream that the upstream of distributor 9 is uneven.
The pipe of tube bank 10 has and is connected to wall 15 and one end supported by wall 15 (it defines the first section 7) and be connected to plate or different support members or the another part to isolating construction 6.
Second section 8 has housing outlets 4 and discharge opeing portion 16.Preferably, the second section 8 is limited (to promote that gas circulates) by void volume.
Heat exchanger has one or more passage 17 and enters the second section 8 from the first section 7 towards the side of housing 2 for guiding gas G.This one or more passage 17 has the longitudinal axis 18 of the side pointing to housing 2.
Advantageously, heat exchanger 1 has two passages 17, and it is with the longitudinal axis 18 of the opposite side of sensing housing 2.
Such as, the side of axis 18 and housing 2 is limited to the angle A between 5-35 degree.This angle A allows gas along the tangential flowing of housing 2.
Isolating construction 6 comprises the wall 22 that extends from the top of housing 2 and the steering gear 25 in the bottom of housing 2.Passage 17 is limited by steering gear 25.
First section 7 is separated with the second section 8 by wall 22, prevents gas G from flowing on the top of housing 2.Below wall 22, location steering gear 25.
Advantageously, steering gear 25 has wedge shape; This shape allows gas to be diverted housing 2 at its opposite side place.Certainly, be also possible for other shape of steering gear 25, steering gear 25 can be such as wall or dividing plate, shaped element etc.
In order to help to be circulated by the gas of heat exchanger 1, housing inlet port 3 is positioned at the top place of housing 2 and housing outlets 4 is also arranged on the top place of housing 2.
In order to help the circulation by the second section 8, the contiguous isolating construction 6 of housing outlets 4.
In order to help liquid accumulation, discharge opeing portion 16 is arranged on the bottom place of housing 2 and is close to isolating construction 6.
Discharge opeing portion 16 such as comprises liquid header and the pipeline for liquid removal; This pipeline is typically provided with valve.
Fig. 2 illustrates the example of that the heat exchanger 1 being similar to Fig. 1.In addition, this heat exchanger is provided with at the first section 7 place, in the bottom of housing 2 and the second discharge opeing portion 26 of contiguous isolating construction 6.
Discharge opeing portion 26 can be similar to discharge opeing portion 16, but it can have the size different from discharge opeing portion 16 and/or shape and/or liquid header/protector.
The operation of heat exchanger 1 from described and shown obviously and roughly as follows.Below with reference to the embodiment of Fig. 2, the class of operation of the embodiment of Fig. 1 is similar to described that.
Gas G to be cooled enters housing 2 by housing inlet port 3 and it spreads on whole first section 7 when through distributor 9.
Therefore, when flowing through tube bank 10, gas G is cooled; Cooling causes condensation (gas typically comprises water and/or other condensable composition).The liquid be condensed drips at the bottom place of the first section and is collected in the second place of discharge opeing portion 26.Second discharge opeing portion 26 helps liquid collection near the position of isolating construction 6, because the gas G of flowing pulls liquid.
Gas G is therefore through passage 17.Passage 17 preferably has the cross section (see Fig. 4 to 6) of constant.
When through passage 17, gas G is diverted the side of housing 2.Therefore, when circulating through the second section 8, gas G is diverted to follow housing 2 from pure axially to the direction tangent with housing 2.Therefore, be diverted gas that device 25 turns to and follow housing 2 (that is, its be parallel to housing 2 flow).Although be parallel to housing 2 to flow, due to the curvature of housing 2, drop experience centrifugal force, centrifugal force is separated from the gas and push it against housing 2 (Fig. 9, top) by it.This causes the drop L pulled by gas G be separated with gas G and drip (Fig. 9, bottom) along housing 2.
Typically, these drops L forms fluid film, and it is to the bottom of the second section 8.The position in discharge opeing portion 16 promotes liquid accumulation, because drop and fluid film are also pushed to discharge opeing portion 16 by gas G after drop is separated with gas G.
The disclosure also relates to a kind of for the method to the gas G demist through heat exchanger 1.According to this method, passage 17 guides gas G, and it enters the second section 8 from the first section 7 towards the side of housing 2.
Certainly, described feature can be provided independently of one another.
In practice, the material used and size can arbitrarily be selected with prior art as required.
Claims (11)
1. a heat exchanger (1), it comprises the housing (2) with at least one housing inlet port (3) and at least one housing outlets (4), be positioned at the isolating construction (6) that described housing (2) limits the first section (7) and the second section (8), be contained in described first section (7) for the tube bank (10) of conducting heat or other device, wherein, described first section (7) has described housing inlet port (3) and described second section (8) has described housing outlets (4) and discharge opeing portion (16), it is characterized in that comprising at least one passage (17), it has the longitudinal axis (18) of the side pointing to described housing (2).
2. heat exchanger according to claim 1 (1), is characterized in that comprising two passages (17), and it has the longitudinal axis of the opposite side pointing to described housing (2).
3. heat exchanger according to claim 1 and 2 (1), it is characterized in that, described isolating construction (6) comprises at least one wall (22) of extending from the top of described housing (2) and at least one steering gear (25) in the bottom of described housing (2), and described at least one steering gear (25) limits described at least one passage (17).
4. heat exchanger according to claim 3 (1), is characterized in that, described steering gear (25) has wedge shape.
5. heat exchanger according to claim 1 (1), is characterized in that, described housing outlets (4) is arranged on the top place of described housing (2) and is close to described isolating construction (6).
6. heat exchanger according to claim 1 (1), is characterized in that, described discharge opeing portion (16) is arranged on the bottom place of described housing (2) and is close to described isolating construction (6).
7. heat exchanger according to claim 1 (1), is characterized in that the second discharge opeing portion (26) being included in described first section (7) place.
8. heat exchanger according to claim 7, is characterized in that, described second discharge opeing portion (26) is arranged on the bottom place of described housing (2) and is close to described isolating construction (6).
9. heat exchanger according to claim 1, is characterized in that, described at least one passage (17) has the cross section of constant.
10. heat exchanger according to claim 1, is characterized in that, the longitudinal axis (18) of described at least one passage (17) and the side of described housing (2) are limited to the angle (A) between 5-35 degree.
11. 1 kinds for the method to gas (G) demist through heat exchanger (1),
Described heat exchanger (1) comprises the housing (2) with at least one housing inlet port (3) and at least one housing outlets (4), be positioned at the isolating construction (6) that described housing (2) limits the first section (7) and the second section (8), be contained in described first section (7) for the tube bank (10) of conducting heat or other device, wherein, described first section (7) has described housing inlet port (3) and described second section (8) has described housing outlets (4) and discharge opeing portion (16), described heat exchanger comprises at least one passage (17) and enters described second section (8) for guiding gas from described first section (7), wherein, described heat exchanger (1) comprises at least one passage (17), it has the longitudinal axis (18) of the side pointing to described housing (2),
Described method characteristic is, described at least one passage (17) guides described gas (G) to enter described second section (8) towards the side of described housing (2) from described first section (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14155144.0A EP2908081A1 (en) | 2014-02-14 | 2014-02-14 | Heat exchanger and a method for demisting |
| EP14155144.0 | 2014-02-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104848727A true CN104848727A (en) | 2015-08-19 |
Family
ID=50101772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510077534.9A Pending CN104848727A (en) | 2014-02-14 | 2015-02-13 | Heat exchanger and method for demisting |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150233587A1 (en) |
| EP (1) | EP2908081A1 (en) |
| CN (1) | CN104848727A (en) |
| AU (1) | AU2014271242A1 (en) |
| CA (1) | CA2874601A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592250A (en) * | 2018-06-26 | 2018-09-28 | 沃逸新能源科技（江苏）有限公司 | A kind of special dehumidification module of capillary air-conditioning |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178759U (en) * | 1987-05-08 | 1988-11-18 | ||
| US5327957A (en) * | 1992-08-10 | 1994-07-12 | Enfab, Inc. | Integral heat exchanger |
| CN1894018A (en) * | 2003-02-21 | 2007-01-10 | 国际壳牌研究有限公司 | Separation tray |
| EP2241848A2 (en) * | 2009-04-15 | 2010-10-20 | TLV Co., Ltd. | Heat exchanger |
| CN101907375A (en) * | 2008-01-11 | 2010-12-08 | 江森自控科技公司 | Heat exchanger |
| TW201144736A (en) * | 2010-03-03 | 2011-12-16 | Alstom Technology Ltd | Heat exchanging and liquid separation apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1460570A1 (en) * | 1987-06-01 | 1989-02-23 | Московский Институт Химического Машиностроения | Evaporator/condenser for ammonia synthesis cycle |
| CN202630717U (en) * | 2012-06-21 | 2012-12-26 | 山西阳煤丰喜肥业(集团)有限责任公司 | Steam condenser |
-
2014
- 2014-02-14 EP EP14155144.0A patent/EP2908081A1/en not_active Withdrawn
- 2014-12-02 AU AU2014271242A patent/AU2014271242A1/en not_active Abandoned
- 2014-12-12 CA CA2874601A patent/CA2874601A1/en not_active Abandoned
-
2015
- 2015-02-11 US US14/619,598 patent/US20150233587A1/en not_active Abandoned
- 2015-02-13 CN CN201510077534.9A patent/CN104848727A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63178759U (en) * | 1987-05-08 | 1988-11-18 | ||
| US5327957A (en) * | 1992-08-10 | 1994-07-12 | Enfab, Inc. | Integral heat exchanger |
| CN1894018A (en) * | 2003-02-21 | 2007-01-10 | 国际壳牌研究有限公司 | Separation tray |
| CN101907375A (en) * | 2008-01-11 | 2010-12-08 | 江森自控科技公司 | Heat exchanger |
| EP2241848A2 (en) * | 2009-04-15 | 2010-10-20 | TLV Co., Ltd. | Heat exchanger |
| TW201144736A (en) * | 2010-03-03 | 2011-12-16 | Alstom Technology Ltd | Heat exchanging and liquid separation apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2908081A1 (en) | 2015-08-19 |
| CA2874601A1 (en) | 2015-08-14 |
| US20150233587A1 (en) | 2015-08-20 |
| AU2014271242A1 (en) | 2015-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: Baden, Switzerland Applicant after: ALSTOM TECHNOLOGY LTD Address before: Baden, Switzerland Applicant before: Alstom Technology Ltd. |
|
| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |