CN202298253U - Mechanical-vapor-recompression low-temperature clothes drying device - Google Patents
Mechanical-vapor-recompression low-temperature clothes drying device Download PDFInfo
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- CN202298253U CN202298253U CN2011204319412U CN201120431941U CN202298253U CN 202298253 U CN202298253 U CN 202298253U CN 2011204319412 U CN2011204319412 U CN 2011204319412U CN 201120431941 U CN201120431941 U CN 201120431941U CN 202298253 U CN202298253 U CN 202298253U
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- 238000001035 drying Methods 0.000 title claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 239000007791 liquid phase Substances 0.000 claims description 14
- 239000007792 gaseous phase Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract 3
- 238000004134 energy conservation Methods 0.000 abstract 2
- 239000012071 phase Substances 0.000 description 6
- 239000004615 ingredient Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000008542 thermal sensitivity Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A mechanical-vapor-recompression low-temperature clothes drying device belongs to the field of energy conservation. The mechanical-vapor-recompression low-temperature clothes drying device comprises a housing (2) and a drum (1) and further comprises a sealing jacket (3), a compressor (4), a water drain pump (5), an expansion engine (7) and a gas and liquid separator (8), wherein the drum (1) is installed inside the housing (2) through a rolling bearing (6); the sealing jacket (3) is installed on the heat-conducting wall surface of the drum (1); the outlet of the drum (1) is sequentially connected with the compressor (4), the sealing jacket (3), the expansion engine (7) and the gas and liquid separator (8); the gas and liquid separator (8) is provided with a gas outlet and a liquid outlet; the gas outlet of the gas and liquid separator (8) is connected with the inlet of the drum (1); the liquid outlet of the gas and liquid separator (8) is connected with the inlet of the water drain pump (5); and the outlet of the water drain pump (5) is connected with the outside. The mechanical-vapor-recompression low-temperature clothes drying device has the characteristics of low energy consumption, low water consumption, simple and compact process flow and wide clothes adapting range, and is particularly applicable to improvement on energy conservation and emission reduction of the conventional clothes drying process.
Description
Technical field
The utility model relates to a kind of machine mechanical vapour recompression low temperature clothing drying device, belongs to energy-saving field.
Background technology
Along with modern life rhythm is accelerated, laundry, dehydration and drying integrated car washing installation have more and more vast potential for future development.Special in the bigger occasion of some surrounding air relative humidity, the clothing oven dry seems particularly important.Present conventional clothing oven dry is main adopts electrically heated mode to add hot-air, utilizes blower fan that hot-air is sent into drying roller, accelerates water evaporates in the clothing.Utilize environment cold water through water-humid air heat exchanger then; Condensation is from the high temperature humid air of cylinder clothing evaporation; In the high temperature humid air part moisture in heat exchanger by the condensation of environment cold water; Utilize condensate pump to discharge drying system at last, uncooled low temperature humid air then gets into electric heater and begins oven dry circulation next time, realizes clothing is dried through above technology.
Can see above stoving process analysis; Adopt the mode of water-humid air heat exchange; The subject matter that exists is: under normal pressure, the normal temperature condition in the saturated moist air water vapour content low, in order to improve cooling effectiveness, often at present adopt electrical heating to improve the humid air temperature; Improve absolute moisture content in the humid air through moisture absorption then, and and then the method that reduces absolute moisture content through the nearly saturated moist air of high temperature is lowered the temperature realize oven dry.But this method electrisity consumption is big, and condensation high temperature humid air need consume a large amount of cooling waters in heat exchanger.In addition, the raising of bake out temperature is difficult to satisfy the requirement of a large amount of thermal sensitivity clothings, and this clothing scope that makes existing hyperthermia drying technology be suitable for is very narrow.This shows that existing clothing stoving process exists high energy consumption, high water consumption and the narrow problem of clothing accommodation.Be necessary to develop that energy consumption is low, the water consumption less, the low temperature clothing drying device and the method for technological process compact and clothing wide accommodation.
Summary of the invention
The purpose of the utility model is to propose that a kind of energy consumption is low, the water consumption less, the mechanical vapour recompression low temperature clothing drying device of technological process compact and clothing wide accommodation.
A kind of mechanical vapour recompression low temperature clothing drying device; It is characterized in that comprising: housing, be installed on the cylinder in the housing, also comprise the sealed jacket, compressor, decompressor, gas-liquid separator and the draining pump that are installed on the cylinder heat conduction wall through rolling bearing; Wherein drum outlet links to each other with compressor, sealed jacket, decompressor and gas-liquid separator successively; Gas-liquid separator has liquid phase outlet and gaseous phase outlet; The gas-liquid separator gaseous phase outlet links to each other with the cylinder inlet, and the liquid phase outlet links to each other with the draining pump inlet, and the draining pump outlet links to each other with external environment;
This MVR low temperature clothing drying device adopts the high heat conducting wall surface roller structure of band sealed jacket, owing to can prevent the infiltration of external environment air, the cylinder of this device can be worked under the negative-pressure operation condition, thereby can reduce the operating temperature of cylinder.Compare with conventional drying unit, this installs no electric heater, blower fan and heat exchanger, and need not consume cooling water, has the low and simple advantage of technological process of operating temperature.
Various ways such as that the compressor of this MVR low temperature drying technology can adopt is centrifugal, roots-type, screw, boundary-layer formula and axial-flow type.Compressor is mainly used in to sealed jacket and cylinder provide pressure reduction, and selects multi-form compressor type, mainly is to decide according to the composite request of the compact degree of system architecture, power consumption and cost.Step-up ratio is elected as: 1.1-3.5 mainly is to decide according to cylinder action required temperature requirement.The drum operations temperature is low more, requires the compressor pressure ratio high more.
The furnace drying method of this MVR low temperature clothing drying device comprises following process:
Start compressor and cylinder, cylinder is vacuumized on the one hand, and this mainly is used for the baking temperature of index drum clothing, and vacuum is high more, and it is low more that baking temperature can fall, and the reduction of drum operations temperature, but helps widening the lining scope of drying clothes.Clothing that constantly overturns in the swing roller on the other hand and air contact area increase when more static to some extent; Thereby make in the clothing water evaporates fully and evenly; And after the humid air in vapor evaporated and the cylinder mixed from clothing, the machine supercharging of being compressed was the high temperature humid air;
The high temperature humid air that comes out from compressor gets into sealed jacket.In the sealed jacket high temperature humid air through the high heat conduction wall of cylinder with the low temperature clothing in the heat transferred negative pressure cylinder, the clothing back water evaporates of being heated; Humid air is condensed into two-phase mixture in the sealed jacket simultaneously; Wherein the gas phase humid air gets into cylinder through the sealed jacket gaseous phase outlet; And liquid phase condensate water in rotary centrifugal force and natural gravity effect deposit in the sealed jacket bottom, enter environment through the draining pump that links to each other with the outlet of sealed jacket liquid phase at last.
High temperature humid air heated roller promotes the evaporation of moisture in the clothing in the sealed jacket, and self is condensed into two phase components.Wherein uncooled air (not utilizing heat energy) loops back cylinder again.This process is equivalent to work in coordination with has utilized the latent heat of clothing transpiring moisture and small amount of compression machine power consumption that clothing is heated.In the whole stoving process, except the condensed water of external discharging, other heats outwards do not scatter and disappear.Therefore have the characteristics of low energy consumption.
In the furnace drying method of this MVR low temperature clothing drying device, the wall that cylinder contacts with sealed jacket is the material with high thermal conduction characteristic.This helps strengthening the heat exchange of high temperature humid air in cylinder humid air and the sealed jacket, thereby can improve drying rate.In addition, these characteristics can also be used to reducing the heat transfer temperature difference of humid air in cylinder and the sealed jacket, and then reduce compressor pressure ratio and corresponding power consumption.
In the furnace drying method of this MVR low temperature clothing drying device, cylinder heat conduction wall can adopt the loose structure that makes cylinder cavity and the conducting of sealed jacket cavity; The function of this structure mainly contains two aspects: the one, strengthen the heat transmission of high temperature humid air in cylinder low temperature humid air and the sealed jacket; The 2nd, uncooled humid air directly gets into cylinder through aperture in the sealed jacket under differential pressure action, can avoid adopting gas-liquid separation equipment.
The pipe design of this MVR low temperature clothing drying device, cylinder is in the requirement of negative pressure operating mode when needing to satisfy oven dry.Because MVR low temperature clothing stoving process is worked under condition of negative pressure; Pipe design can not adopt existing soft rubber tube or plastic tube; Need to adopt the pressure pipe design of hard material, to prevent that under condition of negative pressure flexible pipe is stopped up flow channel by the ambient pressure compression.
The decompressor of this MVR low temperature clothing drying device and compressor coaxial arrangement.Adopt the benefit of decompressor that two aspects are arranged: humid air enthalpy drop in decompressor increases, and helps improving the liquid phase ingredient ratio of decompressor outlet humid air, thereby improves oven dry speed; And decompressor and the coaxial recyclable demi-inflation merit of compressor, thereby can reduce the power consumption of compressor, reduce the energy consumption of whole drying system.Decompressor outlet humid air pressure is a little more than drum pressure, and this pressure reduction mainly is to be used for overcoming the pipeline crushing that decompressor is exported to the cylinder inlet.
Description of drawings
Fig. 1 is existing water-humid air high temperature clothing stoving process;
Fig. 2 is the MVR low temperature clothing stoving process that proposes;
Label title among the figure: 1. cylinder, 2. housing, 3. sealed jacket, 4. compressor, 5. draining pump, 6. rolling bearing, 7. decompressor, 8. gas-liquid separator, 9. electric heater, 10. blower fan, 11. heat exchangers.
The specific embodiment
With reference to accompanying drawing, the utility model provides a kind of mechanical vapour recompression low temperature clothing drying device and method.It is characterized in that: comprise cylinder 1, be installed on sealed jacket 3 on the cylinder 1 heat conduction wall, be installed on the outer housing 2 of sealed jacket 3, also comprise compressor 4, draining pump 5, decompressor 7 and gas-liquid separator 8.Its intermediate roll 1 outlet links to each other with compressor 4 inlets, and compressor outlet 4 links to each other with sealed jacket 3, and sealed jacket 3 gaseous phase outlets link to each other with cylinder 1 inlet; Sealed jacket 3 outlets link to each other with decompressor 7 inlets; Decompressor 7 outlets link to each other with gas-liquid separator 8 inlets, and gas-liquid separator has liquid phase outlet and gaseous phase outlet, and gas-liquid separator 8 gaseous phase outlets link to each other with cylinder 1 inlet; The outlet of gas-liquid separator 8 liquid phases links to each other with draining pump 5 inlets, and draining pump 5 outlets link to each other with external environment;
With reference to the accompanying drawings 2, specify the MVR low temperature clothing drying course that the utility model provides.The course of work of this device is following: at first, start compressor 4 and cylinder 1, cylinder 1 is vacuumized on the one hand, and the humid air that from cylinder 1 low temperature clothing, evaporates on the other hand gets into compressor 4, is pressurized to heat to be the high temperature humid air; Then, the high temperature humid air gets into sealed jacket 3.In the sealed jacket 3 the high temperature humid air through high heat conduction wall with the low temperature clothing in the heat transferred negative pressure cylinder 1, be heated back water evaporates and get into compressor 4 of clothing, beginning circulates next time.The high temperature humid air is condensed into the solution-air two-phase mixture that contains a small amount of liquid phase ingredient in the sealed jacket 3 simultaneously; Get into the pressure and temperature that decompressor 7 further reduces humid air then; And the higher solution-air two-phase mixture of decompressor 7 outlet liquid phase ingredient content gets into gas-liquid separator 8 then; Gas-liquid separator 8 has liquid phase outlet and gaseous phase outlet, and its gas phase composition gets into cylinder 1, and liquid phase ingredient enters environment through draining pump 5.Can find out from these stoving process characteristics; This stoving process mainly carries out heating, drying to clothing after the humid air pressurization through the clothing evaporation again; This is equivalent to collaborative utilize the latent heat of clothing transpiring moisture and compressor 4 power consumptions that negative pressure cylinder 1 clothing is heated; And the entering cylinder that circulates again of the uncooled humid air in the sealed jacket 3, whole stoving process is except external discharging cooling water, and other energy outwards do not scatter and disappear.And compressor 4 a spot of power consumptions only are used to provide the pressure reduction of 1 on sealed jacket 3 and cylinder.In addition, this stoving process need not increase electric heater, not water consumption.This MVR low temperature clothing drying device adopts decompressor 7, and humid air enthalpy drop in decompressor 7 increases, and helps improving the liquid phase ingredient ratio of decompressor 7 outlet humid air, thereby improves oven dry speed; And decompressor 7 and compressor 4 coaxial recyclable demi-inflation merits, thereby can reduce the power consumption of compressor 4, reduce the energy consumption of whole drying system.In addition; The cylinder 1 of band sealed jacket 3 can be worked under the negative-pressure operation condition; Cylinder 1 wall adopts highly heat-conductive material can strengthen heat exchange between the high temperature humid air in cylinder 1 humid air and the sealed jacket 3, and then can effectively reduce cylinder 1 operating temperature, so this stoving process not only has low energy consumption, the fast and simple advantage of technological process of oven dry speed; And because cylinder 1 operating temperature can be adjusted according to operating pressure, the clothing scope of applicable oven dry is also wideer.
Claims (2)
1. a mechanical vapour recompresses the low temperature clothing drying device, it is characterized in that:
Comprise housing (2), be installed on the cylinder (1) in the housing (2), also comprise the sealed jacket (3), compressor (4), draining pump (5), decompressor (7) and the gas-liquid separator (8) that are installed on cylinder (1) the heat conduction wall through rolling bearing (6);
Its intermediate roll (1) outlet links to each other with compressor (4), sealed jacket (3), decompressor (7) and gas-liquid separator (8) successively; Gas-liquid separator (8) has gaseous phase outlet and liquid phase outlet; Gas-liquid separator (8) gaseous phase outlet links to each other with cylinder (1) inlet; The outlet of gas-liquid separator (8) liquid phase links to each other with draining pump (5) inlet, and draining pump (5) outlet links to each other with external environment.
2. mechanical vapour recompression low temperature clothing drying device according to claim 1, it is characterized in that: above-mentioned compressor (4) is centrifugal or roots-type or screw or boundary-layer formula or axial-flow type, and step-up ratio is: 1.1-3.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204319412U CN202298253U (en) | 2011-11-04 | 2011-11-04 | Mechanical-vapor-recompression low-temperature clothes drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204319412U CN202298253U (en) | 2011-11-04 | 2011-11-04 | Mechanical-vapor-recompression low-temperature clothes drying device |
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| Publication Number | Publication Date |
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| CN202298253U true CN202298253U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204319412U Expired - Lifetime CN202298253U (en) | 2011-11-04 | 2011-11-04 | Mechanical-vapor-recompression low-temperature clothes drying device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202298253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505435A (en) * | 2011-11-04 | 2012-06-20 | 南京航空航天大学 | Device and method for drying clothes at low temperature through mechanical vapor recompression (MVR) |
-
2011
- 2011-11-04 CN CN2011204319412U patent/CN202298253U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505435A (en) * | 2011-11-04 | 2012-06-20 | 南京航空航天大学 | Device and method for drying clothes at low temperature through mechanical vapor recompression (MVR) |
| CN102505435B (en) * | 2011-11-04 | 2013-05-15 | 南京航空航天大学 | Device and method for drying clothes at low temperature through mechanical vapor recompression (MVR) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20130515 |
|
| RGAV | Abandon patent right to avoid regrant |