CN101816881B - Novel ventilation energy-saving heat pump rotary dehumidifier - Google Patents

Novel ventilation energy-saving heat pump rotary dehumidifier Download PDF

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Publication number
CN101816881B
CN101816881B CN2010101692497A CN201010169249A CN101816881B CN 101816881 B CN101816881 B CN 101816881B CN 2010101692497 A CN2010101692497 A CN 2010101692497A CN 201010169249 A CN201010169249 A CN 201010169249A CN 101816881 B CN101816881 B CN 101816881B
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Prior art keywords
desiccant wheel
rotary dehumidifier
regeneration
wind
treatment region
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CN101816881A (en
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张润香
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GUANGZHOU JETEX-LLOYD'S MACHINERY Ltd
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GUANGZHOU JETEX-LLOYD'S MACHINERY Ltd
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Abstract

The invention discloses a novel ventilation energy-saving heat pump rotary dehumidifier which comprises a dehumidifying runner, wherein an adsorbent is arranged on the dehumidifying runner; the dehumidifying runner is alternately provided with treating regions and regeneration regions; an evaporation cooler comprises a primary water evaporation component and a secondary evaporator; the water evaporation component is a wet film; and the wet film is connected with a water feeder. The invention effectively reduces the energy consumption required by regenerative heating and improves the dehumidifying effect of the treating wind.

Description

Novel ventilation energy-saving heat pump rotary dehumidifier
Technical field
The present invention relates to a kind of dehumidification system that is used to produce dry air, relate in particular to a kind of new wind dehumidification system for runner.
Background technology
Runner air dewetting system mainly relies on runner to realize the dehumidifying purpose.Sealing device is divided into fan-shaped treatment region and renewing zone with runner.The humid air of need handling (processing air) is sent into the runner treatment region by handling blower fan, and airborne moisture is by the adsorbents adsorb in the runner, thereby has obtained the extremely low dry gas stream of relative humidity, and then reaches the purpose of dehumidifying.The regeneration air process heats reverse renewing zone through runner, back simultaneously, thereby the water decomposition in the adsorbent is sucked out and takes away, and then recovers the wettability power of adsorbent, makes adsorbent carry out drying to the humid air of coming in once more.Reductor drive runner with 5~50 change/hour rotating speed slowly rotate, the whole circulation process be dehumidifying repeatedly and the periodic process of regenerating, thereby has guaranteed continuous effect on moisture extraction, obtains in stable condition dry gas stream.
Yet not enough below existing in the prior art: 1, the renewing zone of runner need be heated to the effect that higher temperature just can reach regeneration, and it is higher that this just will certainly cause regeneration to add heat, thereby cause energy-output ratio big, and this is a big shortcoming of traditional desiccant wheel; 2, the rotary wheel dehumidifying of traditional approach adopts refrigerating coil to carry out behind cool-down dehumidification carrying out dehumidifying work through the fan-shaped treatment region that is divided into 270 ° again; And electrical heating or steam-heated 90 ° fan-shaped renewing zone are adopted in regeneration; Regenerating temperature required is that energy consumption is higher about 120 ℃; 3, the condensed water after the evaporimeter cooling directly discharges, and does not recycle; 4, the required air quantity of regenerative system is littler than the condensation air quantity of refrigeration system, does not but carry out bypass, but a large amount of wind regenerates, and has strengthened the resistance of system.
Summary of the invention
The objective of the invention is to, overcome the deficiency that exists in the prior art, propose a kind of novel ventilation energy-saving heat pump rotary dehumidifier.
The technical scheme that the present invention adopts is following: novel ventilation energy-saving heat pump rotary dehumidifier, comprise desiccant wheel, and desiccant wheel is provided with adsorbent, divides on the desiccant wheel to be separated with treatment region and renewing zone, and desiccant wheel is connected with the drive unit that drives its rotation; , handle to be sequentially provided with in the wind air channel and handle wind intake line, evaporative cooling device, desiccant wheel treatment region, processing wind breeze fan for handling the wind air channel in treatment region one side; One side is regeneration wind air channel in the renewing zone, is sequentially provided with regeneration wind intake line, condenser, desiccant wheel renewing zone, regeneration wind air draft blower fan in the regeneration wind air channel; Said evaporative cooling device comprises first water evaporation component and revaporizer, and the water evaporation component is a wet film, and wet film is connected with waterworks.
Preferably, also comprise a compressor, compressor is connected with revaporizer, condenser, forms the heat-exchange working medium closed circuit.
Preferably, said revaporizer is connected with a condensed water water container, and said condensed water water container is connected with the wet film waterworks.
Preferably, 180 ° fan-shaped processing region is respectively occupied in treatment region and renewing zone on desiccant wheel.
Preferably, the adsorbent on the desiccant wheel is a low-temp recovery type hygroscopic agent.
Preferably, desiccant wheel is provided with by-passing valve.
The present invention is with respect to prior art, and its beneficial effect is: 1, the runner subregion is that 50% regeneration and 50% is handled, and adopts low-temp recovery type hygroscopic agent, and regeneration temperature only needs 65 degree, greatly reduces energy consumption; Regenerated heat is from condensation heat., need not alternate manners such as electrical heating; 2, the first required water of the water evaporation component condensate of coming flash-pot, water temperature is lower, and outdoor new wind is owing to be hot and humid air; After pouring has the wet film of water at low temperature to contact; Can reach the effect of cool-down dehumidification, not only can save energy consumption, also can purify new wind through these parts; 3, compressor is connected with evaporimeter, condenser, forms the heat-exchange working medium closed circuit, makes the energy reusable edible; 4, can carry out bypass through the by-passing valve of runner for unnecessary condensating wind, discharged by the regeneration blower fan then, the stability for system increases like this, and the regeneration pressure that has reduced desiccant wheel falls.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention
The specific embodiment
Novel ventilation energy-saving heat pump rotary dehumidifier, its structure comprise desiccant wheel 1 referring to Fig. 1, and desiccant wheel 1 is provided with adsorbent, and this adsorbent is preferably low-temp recovery type hygroscopic agent, also are provided with by-passing valve on the desiccant wheel 1; Divide on the desiccant wheel 1 to be separated with treatment region 11 and renewing zone 12,180 ° fan-shaped processing region is respectively occupied in treatment region and renewing zone, adopts sealing device to separate, and desiccant wheel 1 is connected with the runner drive motors 2 that drives its rotation; , be sequentially provided with processing wind intake line, first water evaporation component 3, revaporizer 4, desiccant wheel treatment region 11 in the processing wind air channel, handle wind breeze fan 5 for handling the wind air channel in treatment region one side; 12 1 sides are regeneration wind air channel in the renewing zone, are sequentially provided with regeneration wind intake line, condenser 6, desiccant wheel renewing zone 12, regeneration wind air draft blower fan 7 in the regeneration wind air channel; Water evaporation component 3 is made up of with the feedwater spray pipe the wet film material that is contained in the stainless steel framework.Rotary dehumidifier also comprises a compressor 8, and compressor 8 is connected with evaporimeter 4, condenser 6, forms the heat-exchange working medium closed circuit.Evaporimeter 4 is connected with condensed water water container 9, and condensed water water container 9 is connected with wet film feedwater spray pipe, and the condensate water temperature of evaporimeter is lower, drenches wet film through waterworks through spray pipe.
During work; The humid air (processing air) that needs to handle is sent into the runner treatment region by handling the wind intake line; Through first water evaporation component and revaporizer, outdoor new wind is owing to being hot and humid air, after first water evaporation component pouring has the wet film of water at low temperature to contact; Can reach the effect of preliminary cool-down dehumidification, again through the further cool-down dehumidification of evaporimeter.Air is when the runner treatment region, and airborne moisture is by the adsorbents adsorb in the runner, thereby has obtained the extremely low dry gas stream of relative humidity, and then reaches the purpose of dehumidifying.The regeneration air process heats reverse renewing zone through runner, back simultaneously, thereby the water decomposition in the adsorbent is sucked out and takes away, and then recovers the wettability power of adsorbent, makes adsorbent carry out drying to the humid air of coming in once more.In addition, reductor drive runner with 5~50 change/hour rotating speed slowly rotate, the whole circulation process be dehumidifying repeatedly and the periodic process of regenerating, thereby has guaranteed continuous effect on moisture extraction, obtains in stable condition dry gas stream.
Because the required air quantity of conventional regeneration system is littler than the condensation air quantity of refrigeration system, adopt the system of condensation heat for routine, do not carry out bypass; But a large amount of wind regenerates, and strengthened the resistance of system, and the power consumption of regeneration blower fan; And this patent can be carried out bypass through the by-passing valve of runner for unnecessary condensating wind; Discharged by the regeneration blower fan then, the stability for system increases like this, and the regeneration pressure that has reduced desiccant wheel falls.
The refrigeration system of this machine is compared with traditional refrigeration system; Owing to will effectively utilize condensation heat; Adopted the design that improves condensation temperature and delivery temperature, temperature of outgoing air has been higher than 65 degree, to reach regeneration purpose to rotary wheel dehumidifying; Traditional temperature of outgoing air majority can't reach the regeneration requirement about 45 degree.
System provided by the invention can be integrated in the unit, thereby has formed fabricated structure.For example, unit can be box composition mode, and it can comprise fillter section, one-level water for cooling section, secondary evaporimeter temperature descending section, rotary wheel dehumidifying section, and the breeze fan section, whole set structure is compact.In addition; In one-level water for cooling section; After utilizing condensed water, can also utilize other water at low temperature (like reservoir water, underground water, chilled water, process water) that air is carried out cooling and dehumidifying one time, to reduce the load of desiccant wheel; Improve the low temperature dehumidification usefulness of desiccant wheel simultaneously, reach purpose of energy saving.
Synthetically say, the invention has the advantages that: reduce the needed energy consumption of heating effectively, improved processing wind effect on moisture extraction.
The above disclosed the preferred embodiments of the present invention that are merely can not limit the present invention's interest field certainly with this, so according to the equivalent variations that claim of the present invention is done, still belong to the scope that the present invention is contained.

Claims (6)

1. novel ventilation energy-saving heat pump rotary dehumidifier comprises desiccant wheel, and desiccant wheel is provided with adsorbent, divides on the desiccant wheel to be separated with treatment region and renewing zone, and desiccant wheel is connected with the drive unit that drives its rotation; , handle to be sequentially provided with in the wind air channel and handle wind intake line, evaporative cooling device, desiccant wheel treatment region, processing wind breeze fan for handling the wind air channel in treatment region one side; One side is regeneration wind air channel in the renewing zone, is sequentially provided with regeneration wind intake line, condenser, desiccant wheel renewing zone, regeneration wind air draft blower fan in the regeneration wind air channel; It is characterized in that said evaporative cooling device comprises first water evaporation component and revaporizer, the water evaporation component is a wet film, and wet film is connected with waterworks.
2. rotary dehumidifier as claimed in claim 1 is characterized in that, also comprises a compressor, and compressor is connected with revaporizer, condenser, forms the heat-exchange working medium closed circuit.
3. according to claim 1 or claim 2 rotary dehumidifier is characterized in that said revaporizer is connected with a condensed water water container, and said condensed water water container is connected with the wet film waterworks.
4. rotary dehumidifier as claimed in claim 1 is characterized in that, 180 ° fan-shaped processing region is respectively occupied in treatment region and renewing zone on desiccant wheel.
5. rotary dehumidifier as claimed in claim 1 is characterized in that, the adsorbent on the desiccant wheel is a low-temp recovery type hygroscopic agent.
6. rotary dehumidifier as claimed in claim 1 is characterized in that desiccant wheel is provided with by-passing valve.
CN2010101692497A 2010-04-30 2010-04-30 Novel ventilation energy-saving heat pump rotary dehumidifier Active CN101816881B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607121A (en) * 2012-03-29 2012-07-25 吕智 Heat pump type low-temperature regenerative dehumidifying fresh air treatment device with rotary wheel
CN102716644A (en) * 2012-06-20 2012-10-10 马军 Vapor compression type heat pump and rotary wheel adsorptive dehumidification coupled operation dryer
WO2016051529A1 (en) * 2014-09-30 2016-04-07 三菱電機株式会社 Dehumidifying device
CN105258248B (en) * 2015-10-13 2017-12-01 无锡普爱德环保科技有限公司 A kind of dehumidification system for runner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2971843B2 (en) * 1997-10-09 1999-11-08 株式会社荏原製作所 Dehumidifying air conditioner
CN100483041C (en) * 2004-09-29 2009-04-29 上海交通大学 Over critical CO2 refrigeration and rotary wheel dehumidifying combined air conditioning system
CN2744971Y (en) * 2004-11-15 2005-12-07 华南理工大学 Film-based composite dehumidification apparatus
CN100494793C (en) * 2007-09-13 2009-06-03 上海交通大学 Two-stage rotating wheel dehumidification air conditioner device capable of using low-grade heat source
CN101318097A (en) * 2008-07-14 2008-12-10 广州捷达莱堡通用设备有限公司 Dehumidification system for runner
CN201706611U (en) * 2010-04-30 2011-01-12 广州捷达莱堡通用设备有限公司 New wind energy-saving heat pump rotating wheel dehumidifier

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