CN108800723A - A kind of energy-saving dehumidification system for runner for low temperature and low humidity library - Google Patents
A kind of energy-saving dehumidification system for runner for low temperature and low humidity library Download PDFInfo
- Publication number
- CN108800723A CN108800723A CN201810742625.3A CN201810742625A CN108800723A CN 108800723 A CN108800723 A CN 108800723A CN 201810742625 A CN201810742625 A CN 201810742625A CN 108800723 A CN108800723 A CN 108800723A
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- Prior art keywords
- dehumidifier
- regeneration
- freezing room
- pretreatment
- air
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- 238000007791 dehumidification Methods 0.000 title claims abstract description 16
- 230000008929 regeneration Effects 0.000 claims abstract description 56
- 238000011069 regeneration method Methods 0.000 claims abstract description 56
- 230000008014 freezing Effects 0.000 claims abstract description 48
- 238000007710 freezing Methods 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 4
- 230000008520 organization Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010336 energy treatment Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
-
- 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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Gases (AREA)
Abstract
The present invention discloses a kind of energy-saving dehumidification system for runner for low temperature and low humidity library, including regeneration pretreatment dehumidifier, the main dehumidifier of Freezing room and secondary heat exchanger, air is discharged from the outlet side of Freezing room all the way, successively through secondary heat exchanger, the main dehumidifier of Freezing room treatment region and secondary heat exchanger after, enter from the inlet end of Freezing room, forms Freezing room circulation air circuit;Another way air is introduced from the external world, successively after the treatment region depth of secondary heat exchanger cool-down dehumidification, regeneration pretreatment dehumidifier dehumidifies, main dehumidifier regeneration is realized into the renewing zone of the main dehumidifier of Freezing room, after high temperature air after regeneration enters the renewing zone of regeneration pretreatment dehumidifier, it is discharged after being regenerated to regeneration pretreatment dehumidifier outdoor.Pretreatment is dried to the main dehumidifier regeneration air of Freezing room by increasing energy saving heat exchange and regeneration pretreatment zero regeneration energy consumption mode of dehumidifier in the present invention, solves single rotary dehumidifier frosting or ice formation issues present in low temperature and low humidity application.
Description
Technical field
The present invention relates to air-treatment field, especially a kind of energy-saving dehumidification system for runner for low temperature and low humidity library,
It is particularly suitable for the environment that temperature is less than 0 degree of low humidity requirement below.
Background technology
In daily production, single dehumidifier handles air in Freezing room, and regeneration air directly uses outdoor ring
Border air, the conventional treatment mode have the disadvantage that:
(1) heat exchanger is not used, Cryogenic air is directly entered dehumidifier processing, leads to dehumidify box body cold condensate even
It freezes.
(2) when directly handling Cryogenic air, due to heat transfer, the regeneration air in regeneration air duct can be caused serious
Condensation, frosting or icing, influence normal use.
(3) due to regeneration air use ambient outdoor air, outdoor high temperature, high humidity operating mode when, since regeneration air contains
Water is larger, poor so as to cause dehumidifier effect on moisture extraction, i.e., wet difference is smaller before and after the processing for runner, so to reach same dehumidifying
When effect (or moisture removal), processing air quantity needs to increase, and regeneration energy consumption is caused to increase.
Invention content
To solve the problems, such as that effect on moisture extraction difference present in single rotary dehumidifier low temperature and low humidity application and energy consumption are higher, this
Invention provides a kind of energy-saving dehumidification system for runner for low temperature and low humidity library, is removed by increasing energy saving heat exchange and regeneration pretreatment
Pretreatment is dried to Freezing room dehumidifier regeneration air in the mode of zero regeneration energy consumption of wet machine.
To achieve the above object, the present invention uses following technical proposals:
A kind of energy-saving dehumidification system for runner for low temperature and low humidity library, it includes regeneration pretreatment dehumidifier, Freezing room
Main dehumidifier and secondary heat exchanger, air is from the discharge of the outlet side of Freezing room all the way, successively by secondary heat exchanger, Freezing room master
After the treatment region and secondary heat exchanger of dehumidifier, enter from the inlet end of Freezing room, forms Freezing room circulation air circuit;It is another
Road air is introduced from the external world, passes through the treatment region depth dehumidifying of secondary heat exchanger cool-down dehumidification, regeneration pretreatment dehumidifier successively
Afterwards, main dehumidifier regeneration is realized into the renewing zone of the main dehumidifier of Freezing room, it is pre- that the high temperature air after regeneration is directly entered regeneration
Behind the renewing zone for handling dehumidifier, regeneration pretreatment dehumidifier is regenerated, discharge is outdoor later.
Using above-mentioned technical proposal, Freezing room return air uses heat exchanger with air-supply, both solves dehumidifying babinet and bears water or even tie
Ice, and reduce the energy consumption of low temperature refrigeration equipment;The regeneration air of low temperature and low humidity library dehumidifier is pre-processed, and prevents regeneration empty
Depressed frost or icing.
Further, the runner of regeneration pretreatment dehumidifier uses 1:1 energy saving partitioned organization.
Using above-mentioned technical proposal, realize that regeneration air pre-processes zero regeneration energy consumption and treatment effect is more thorough.
Advantageous effect:
1. the present invention is efficiently solved there is the even icing of babinet cold condensate for the dehumidifier of Freezing room, can not be normal
The problem of operation, and system energy consumption does not increase.
2. the dehumidifier high temperature dry air that the present invention efficiently solves Freezing room (can go out in rotary dehumidifier dehumidification process
Existing warming phenomenon) it is sent directly into Freezing room, to caused by the problem of the increasing of refrigeration equipment energy consumption.
Description of the drawings
Fig. 1 is the structural schematic diagram of the energy-saving dehumidification system for runner for low temperature and low humidity library of one embodiment of the invention;
In figure:1- regeneration pretreatments dehumidifier, the main dehumidifier of 2- Freezing rooms, 3- secondary heat exchangers, 4- Freezing rooms.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
The present embodiment proposes a kind of energy-saving dehumidification system for runner for low temperature and low humidity library, as shown in Figure 1, it includes
Regeneration pre-processes dehumidifier 1, the main dehumidifier 2 of Freezing room and secondary heat exchanger 3, and air is discharged from the outlet side of Freezing room 4 all the way,
Successively after the treatment region of the main dehumidifier of secondary heat exchanger 3, Freezing room 2 and secondary heat exchanger 3, from the inlet end of Freezing room 4
Into formation Freezing room circulation air circuit;Another way air from the external world introduce, successively pass through 3 cool-down dehumidification of secondary heat exchanger,
After the treatment region depth dehumidifying of regeneration pretreatment dehumidifier 1, main dehumidifier is realized again into the renewing zone of the main dehumidifier of Freezing room 2
It is raw, after the high temperature air after regeneration is directly entered the renewing zone of regeneration pretreatment dehumidifier 1, to regeneration pretreatment dehumidifier 1 into
Row regeneration, discharge is outdoor later.
In this system, the main dehumidifier 2 of Freezing room is used as main dehumidifier, and dry air is provided for Freezing room 4.It is secondary to change
Hot device 3 and regeneration pretreatment dehumidifier 1 help out to the main dehumidifier of Freezing room 2.
This system totally two road air, Freezing room circulation air, another way outer gas are used for main 2 He of dehumidifier of Freezing room all the way
The regeneration of regeneration pretreatment dehumidifier 1.Wherein, the main 2 processed high temperature dry air of dehumidifier of Freezing room and entrance dehumidifying
Cryogenic air in Freezing room 4 enters the main dehumidifier of Freezing room 2 by carrying out heat exchange when secondary heat exchanger 3 first, increasing
Air themperature solves the regeneration air condensation problem caused by heat transfer;Second is that reducing the high temperature dry air for being sent into Freezing room 4
Temperature, reducing refrigeration equipment energy consumption in Freezing room 4, (with -12 degree, for 500 cubes of compressor experiment library, this can be reduced
15kw refrigerating capacitys convert into electricity about 8kw or more).Another way outer gas first passes around secondary heat exchanger 3, is removed with into Freezing room master
The Cryogenic air of wet machine 2 carries out heat exchange, its water content is reduced by way of condensation;And then it is removed by regeneration pretreatment
The processing of wet machine 1, the renewing zone of the main dehumidifier of treated high temperature dry air enters Freezing room 2, high temperature dry air is as again
Raw air can effectively promote the dehumidifying effect of the main dehumidifier of Freezing room 2, simultaneously because its drying temperature is higher (empty higher than environment
Temperature degree), and can have the function that the regeneration heating power for reducing the main dehumidifier of Freezing room 2.In addition, through regeneration pretreatment dehumidifying
After machine 1 is dried, dew point is relatively low, and it can be effectively prevent to generate condensation in normal work.The main regeneration of dehumidifier 2 discharge of Freezing room
High temperature dry air be directly used in regeneration pretreatment dehumidifier 1 regeneration, therefore, regeneration pretreatment dehumidifier 1 Regenerated energy
Consumption is zero.In addition, the runner of regeneration pretreatment dehumidifier 1 uses 1:1 energy saving partitioned organization (treatment region:Renewing zone=1:1),
Farthest improve regeneration pretreatment dehumidifier 1 dehumidification efficiency (with -12 degree, for 500 cubes of compressor experiment library,
Main 2 air quantity of dehumidifier of Freezing room is 3000CMH, and regeneration pretreatment 1 air quantity of dehumidifier is 1000CMH, and 2 dehumidifiers can reduce altogether
About 13kw electricity consumptions).
Limiting the scope of the invention, those skilled in the art should understand that, in technical scheme of the present invention
On the basis of, the various modifications or variations that can be made by those skilled in the art with little creative work still the present invention's
Within protection domain.
Claims (2)
1. a kind of energy-saving dehumidification system for runner for low temperature and low humidity library, it is characterised in that:It includes regeneration pretreatment dehumidifying
Machine (1), the main dehumidifier of Freezing room (2) and secondary heat exchanger (3), all the way air from the outlet side of Freezing room (4) be discharged, pass through successively
After crossing the secondary heat exchanger (3), the treatment region of the main dehumidifier of the Freezing room (2) and the secondary heat exchanger (3), from low temperature
The inlet end in library (4) enters, and forms Freezing room circulation air circuit;Another way air is introduced from the external world, passes through described two successively
After secondary heat exchanger (3) cool-down dehumidification, the regeneration pre-process the treatment region depth dehumidifying of dehumidifier (1), into the Freezing room
Realize that main dehumidifier regeneration, the high temperature air after regeneration are directly entered the regeneration pretreatment and remove in the renewing zone of main dehumidifier (2)
Behind the renewing zone of wet machine (1), regeneration pretreatment dehumidifier (1) is regenerated, discharge is outdoor later.
2. the energy-saving dehumidification system for runner according to claim 1 for low temperature and low humidity library, it is characterised in that:It is described again
The runner of raw pretreatment dehumidifier (1) uses 1:1 energy saving partitioned organization.
Priority Applications (1)
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CN201810742625.3A CN108800723A (en) | 2018-07-09 | 2018-07-09 | A kind of energy-saving dehumidification system for runner for low temperature and low humidity library |
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CN201810742625.3A CN108800723A (en) | 2018-07-09 | 2018-07-09 | A kind of energy-saving dehumidification system for runner for low temperature and low humidity library |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110186122A (en) * | 2019-05-16 | 2019-08-30 | 中国科学院广州能源研究所 | Cross flow constant temperature dehumidification apparatus |
CN112013625A (en) * | 2019-05-30 | 2020-12-01 | 青岛海尔电冰箱有限公司 | Control method and device of refrigerator |
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JP2001179036A (en) * | 1999-12-27 | 2001-07-03 | Seibu Giken Co Ltd | Dehumidifier system |
JP2002166124A (en) * | 2000-11-30 | 2002-06-11 | Seibu Giken Co Ltd | Adsorption type dehumidifier |
CN101879438A (en) * | 2009-05-04 | 2010-11-10 | 财团法人工业技术研究院 | Low energy consumption desorption device and dehumidifying device thereof |
CN102777983A (en) * | 2012-08-22 | 2012-11-14 | 马军 | Dehumidification device of freezing and runner absorbing coupled operation |
CN202778223U (en) * | 2012-07-25 | 2013-03-13 | 上海安悦节能技术有限公司 | Composite dehumidifier |
JP2015155081A (en) * | 2014-02-20 | 2015-08-27 | 株式会社西部技研 | Low dew point dehumidifying device for freezing warehouse |
CN106338113A (en) * | 2015-07-06 | 2017-01-18 | 中南大学 | Hybrid refrigeration-turning wheel dehumidification device |
CN206362068U (en) * | 2016-12-09 | 2017-07-28 | 上海湿腾电器有限公司 | Freezer rotary dehumidifier |
CN208567261U (en) * | 2018-07-09 | 2019-03-01 | 上海云懋空气处理设备有限公司 | A kind of energy-saving dehumidification system for runner for low temperature and low humidity library |
-
2018
- 2018-07-09 CN CN201810742625.3A patent/CN108800723A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2001179036A (en) * | 1999-12-27 | 2001-07-03 | Seibu Giken Co Ltd | Dehumidifier system |
JP2002166124A (en) * | 2000-11-30 | 2002-06-11 | Seibu Giken Co Ltd | Adsorption type dehumidifier |
CN101879438A (en) * | 2009-05-04 | 2010-11-10 | 财团法人工业技术研究院 | Low energy consumption desorption device and dehumidifying device thereof |
CN202778223U (en) * | 2012-07-25 | 2013-03-13 | 上海安悦节能技术有限公司 | Composite dehumidifier |
CN102777983A (en) * | 2012-08-22 | 2012-11-14 | 马军 | Dehumidification device of freezing and runner absorbing coupled operation |
JP2015155081A (en) * | 2014-02-20 | 2015-08-27 | 株式会社西部技研 | Low dew point dehumidifying device for freezing warehouse |
CN106338113A (en) * | 2015-07-06 | 2017-01-18 | 中南大学 | Hybrid refrigeration-turning wheel dehumidification device |
CN206362068U (en) * | 2016-12-09 | 2017-07-28 | 上海湿腾电器有限公司 | Freezer rotary dehumidifier |
CN208567261U (en) * | 2018-07-09 | 2019-03-01 | 上海云懋空气处理设备有限公司 | A kind of energy-saving dehumidification system for runner for low temperature and low humidity library |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110186122A (en) * | 2019-05-16 | 2019-08-30 | 中国科学院广州能源研究所 | Cross flow constant temperature dehumidification apparatus |
CN112013625A (en) * | 2019-05-30 | 2020-12-01 | 青岛海尔电冰箱有限公司 | Control method and device of refrigerator |
CN112013625B (en) * | 2019-05-30 | 2022-03-25 | 青岛海尔电冰箱有限公司 | Control method and device of refrigerator |
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