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 PDF

Info

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
Authority
CN
China
Prior art keywords
dehumidifier
regeneration
freezing room
pretreatment
air
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
Application number
CN201810742625.3A
Other languages
Chinese (zh)
Inventor
古元春
薛以礼
古俊钰
王铭楷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI D&S AIR-HANDLING EQUIPMENT Co Ltd
Original Assignee
SHANGHAI D&S AIR-HANDLING EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI D&S AIR-HANDLING EQUIPMENT Co Ltd filed Critical SHANGHAI D&S AIR-HANDLING EQUIPMENT Co Ltd
Priority to CN201810742625.3A priority Critical patent/CN108800723A/en
Publication of CN108800723A publication Critical patent/CN108800723A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042Air treating means within refrigerated spaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details 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
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/041Treating air flowing to refrigeration compartments by purification
    • F25D2317/0411Treating 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

A kind of energy-saving dehumidification system for runner for low temperature and low humidity library
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.
CN201810742625.3A 2018-07-09 2018-07-09 A kind of energy-saving dehumidification system for runner for low temperature and low humidity library Pending CN108800723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
CN108800723A true CN108800723A (en) 2018-11-13

Family

ID=64075693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810742625.3A Pending CN108800723A (en) 2018-07-09 2018-07-09 A kind of energy-saving dehumidification system for runner for low temperature and low humidity library

Country Status (1)

Country Link
CN (1) CN108800723A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN106196346B (en) Energy-saving low-dew-point rotary dehumidifier
CN102261701B (en) Multilevel heat recovery composite dehumidifying fresh air treatment machine
CN205678834U (en) A kind of efficient residual heat regenerating air-conditioning device
CN201503090U (en) Heat recovering energy-saving dehumidifying system for air hot pipe
CN105757836B (en) Dehumidification regeneration system heat pump system based on dehumidification heat exchange and its operation method
CN204063414U (en) A kind of heat pump drives pre-cold mould solution humidifying Fresh air handling units
CN206234930U (en) A kind of warm and humid sub-control Fresh air handling units based on high temperature chilled water
CN108758807A (en) The multi-staged air deep dehumidification apparatus of ultra-low dew point environment
CN106322583A (en) Twin-stage heat recovery large enthalpy difference dehumidification fresh air conditioner and control method thereof
CN205261799U (en) Two -way energy -saving full fresh air conditioning unit
CN103471374B (en) Solar-assisted heat pump drying system
CN202303704U (en) Rotary wheel dehumidifier unit
CN102872686B (en) Boundary layer control and mainstream perturbation coordinated integrated enhanced heat transfer method and system
CN110173776A (en) A kind of Fresh air handing device of pre-cooling type runner humidifying
CN201906552U (en) Heat recovery type running wheel dehumidifier
CN206861755U (en) Air conditioner fresh air dehumidifying unit
CN108800723A (en) A kind of energy-saving dehumidification system for runner for low temperature and low humidity library
CN207849600U (en) A kind of energy-efficient data center module Cooling Air-conditioning System
CN106871277A (en) A kind of function of mechanical steam recompression formula dehumidifier/air-conditioning system
CN113446673A (en) Direct-expansion type runner composite deep dehumidification fresh air system
CN208567261U (en) A kind of energy-saving dehumidification system for runner for low temperature and low humidity library
CN202470241U (en) Heat recovering type combined type swimming pool dehumidification air-conditioner
CN205980700U (en) Responsibility is dodged all to heat of high -efficient heat recovery
CN202119021U (en) Multistage heat-recovery compound-dehumidifying new air processor
CN102607150B (en) Air conditioning unit with cold and heat circulating and recycling function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination