CN104654480A - Low-grade afterheat recycling type energy-saving dehumidifying unit - Google Patents

Low-grade afterheat recycling type energy-saving dehumidifying unit Download PDF

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Publication number
CN104654480A
CN104654480A CN201510005727.3A CN201510005727A CN104654480A CN 104654480 A CN104654480 A CN 104654480A CN 201510005727 A CN201510005727 A CN 201510005727A CN 104654480 A CN104654480 A CN 104654480A
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China
Prior art keywords
regeneration
circulation passage
wind circulation
runner
blower fan
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Pending
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CN201510005727.3A
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Chinese (zh)
Inventor
巫尚文
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Ao Yu Power-Saving Technology Ltd Co Of Shenzhen
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Ao Yu Power-Saving Technology Ltd Co Of Shenzhen
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Priority to CN201510005727.3A priority Critical patent/CN104654480A/en
Publication of CN104654480A publication Critical patent/CN104654480A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F3/147Air-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 with both heat and humidity transfer between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00Devices or apparatus used for air treatment
    • F24F2203/10Rotary wheel
    • F24F2203/1084Rotary wheel comprising two flow rotor segments
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention provides a low-grade afterheat recycling type energy-saving dehumidifying unit which can be used in a high-temperature and high-humidity place. The low-grade afterheat recycling type energy-saving dehumidifying unit comprises a dehumidifying rotating wheel, a first driving mechanism for driving the dehumidifying rotating wheel to rotate, a treatment fan, a regeneration fan, a heat recycling rotating wheel, a second driving mechanism for driving the heat recycling rotating wheel to rotate, a surface air cooler arranged on a treatment air flowing channel, a cooling water tower connected to the surface air cooler and a regeneration heater arranged on a regenerated air flowing channel, wherein treatment air flows through a first treatment region of the dehumidifying rotating wheel, a second treatment region of the heat recycling rotating wheel and the surface air cooler in sequence under the driving of the treatment fan to form the treatment air flowing channel; regenerated air flows through a second regeneration region of the heat recycling rotating wheel, the regeneration heater and a first regeneration region of the dehumidifying rotating wheel in sequence under the driving of the regeneration fan to form the regenerated air flowing channel; dehumidifying rotating wheel regeneration is realized by using low-grade afterheat, so that the final air outlet temperature is reduced, and the energy-efficiency ratio of dehumidifying equipment is obviously increased.

Description

Low grade residual heat reclaiming type energy-saving dehumidifier group
Technical field
The invention belongs to direct evaporating-cooling industry field, particularly relate to one low grade residual heat reclaiming type energy-saving dehumidifier group.
Background technology
Direct evaporating-cooling technology is a kind of natural Refrigeration Technique, which utilizes evaporation of water heat absorption principle, and without the need to high energy consumption power-equipments such as compressors, is a kind of energy-efficient novelrefrigeration Technique.Evaporative cooling needs a large amount of dry cold wind, and due to the restriction of natural environment, this energy-conservation Refrigeration Technique is applied to Arid Area mostly, in order to better exist high temperature is highthis technology is promoted in Humid Area, and design one is more energy-conservation and can directly utilize high temperature is highhumid Area natural wind carries out transpiration-cooled airdryer and consists of necessity.
Rotary wheel dehumidifying is a kind of dehumanization method of stability and high efficiency.Fill a large amount of hygroscopic materials in desiccant wheel, driven by micro-machine, with slowly speed rotation.Runner is generally separated into two regions, and a region is treatment region, and when humid air is by this region, moisture is adsorbed by the hygroscopic material of runner, and humid air is treated to dry air, blows out from runner opposite side.Another region is then renewing zone, and lose wettability power after runner moisture absorption is saturated, need thermal regeneration, runner slowly turns to renewing zone, is subject to high temperature air heating, recovers moisture absorbing.Motor drives runner continuous rotation, to ensure that whole dehumidifying regeneration is a continuous circulation process.
Rotary wheel dehumidifying can provide dry air by continuous print, meet the requirement of evaporative cooling to dry air to a certain extent, but, because runner needs to carry out thermal regeneration, and discharge a large amount of heats of adsorption in hygroscopic material dehumidification process, result in the air themperature after dehumidification treatments to raise, be not suitable for being directly used in evaporative cooling.
Be 201020681584.0 in Chinese Patent Application No., name is called in the patent application of " a kind of heat recovery type dehumidifying machine ", refer to and regenerated heat treatment region is set, the runner after thermal regeneration is cooled by new wind, although this method can reclaim a part and be delivered to the regenerated heat processed in air, accurately cannot control to reclaim air quantity, the waste of dehumidifying effect may be caused, and cannot heat of adsorption in Processing for removing air, unsatisfactory to the cooling-down effect of process air.
Chinese Patent Application No. is 201120043164.4, name is called that the dehumidifying unit mentioned in the patent application of " a kind of heat recovery type dehumidifying machine group " is applicable to common air-conditioning system, and direct evaporating-cooling system can not be used for, recuperation of heat wherein refers to the recovery of regenerated heat in equipment, be provided with mixed wind section in the disclosure in this patent, and be not suitable for the direct evaporation system that requirement obtains dry wind as far as possible, the structure that its process blower fan is placed with regeneration blower fan homonymy also makes lower air duct pressure reduction strengthen, add the possibility of lower air duct string wind, and regenerate wind treatment channel the total installation of generating capacity that two Fans too increase equipment energy consumption is set, the design processed after blower fan is in surface cooler also increases the heat exchange between process wind and blower fan.
Summary of the invention
The object of the present invention is to provide one low grade residual heat reclaiming type energy-saving dehumidifier group, be applied to direct evaporating-cooling industry, be intended to the technical problem that the air themperature after solving the rotary wheel dehumidifying post processing that exists in the sector is higher, reduce follow-up refrigeration duty.
The present invention is achieved in that one low grade residual heat reclaiming type energy-saving dehumidifier group, can be used for high temperature is highhumid Area, described in low grade residual heat reclaiming type energy-saving dehumidifier groupthe first driving mechanism comprise desiccant wheel, driving described desiccant wheel to rotate, process blower fan and regeneration blower fan, hygroscopic material is filled with in described desiccant wheel, described desiccant wheel has the first treatment region and the first renewing zone, the described first treatment region common formation processing wind circulation passage of described process blower fan and described desiccant wheel, described first renewing zone of described regeneration blower fan and described desiccant wheel is jointly formed and regenerates wind circulation passage, described in low grade residual heat reclaiming type energy-saving dehumidifier groupalso comprise recuperation of heat runner, drive the second driving mechanism that described recuperation of heat runner rotates, be arranged at the surface cooler on described process wind circulation passage, be connected to the cooling tower on described surface cooler and be arranged at the regenerative heater on described regeneration wind circulation passage, described recuperation of heat runner has the second treatment region and the second renewing zone, process wind flows through described first treatment region of described desiccant wheel in turn under the drive of described process blower fan, described second treatment region of described recuperation of heat runner and described surface cooler and form described process wind circulation passage, regeneration wind flows through described second renewing zone of described recuperation of heat runner in turn under the drive of described regeneration blower fan, described first renewing zone of described regenerative heater and described desiccant wheel and form described regeneration wind circulation passage, the air-flow trend of described process wind circulation passage moves towards contrary with the air-flow of described regeneration wind circulation passage.
Further, described in low grade residual heat reclaiming type energy-saving dehumidifier groupalso comprise the first filter be arranged on described process wind circulation passage and the second filter be arranged on described regeneration wind circulation passage, described first filter bits is in the air intake head end of described process wind circulation passage, and described second filter bits is in the air intake head end of described regeneration wind circulation passage.
Further, described process blower fan and described regeneration blower fan are arranged at the air-flow inlet side of described process wind circulation passage and described regeneration wind circulation passage respectively.
Further, described process blower fan and described regeneration blower fan are arranged at the air-flow air side of described process wind circulation passage and described regeneration wind circulation passage respectively.
Further, described first driving mechanism comprises the first drive motors, is installed on first on the output shaft of described first drive motors and drives runner and be connected to described first and drive the first belt between runner and described desiccant wheel.
Further, described second driving mechanism comprises the second drive motors, is installed on second on the output shaft of described second drive motors and drives runner and be connected to described second and drive the second belt between runner and described recuperation of heat runner.
Further, described cooling tower is counter-flow cooling tower.
Further, described process blower fan is on described process wind circulation passage between described second treatment region of described recuperation of heat runner and described surface cooler, and described regeneration blower fan is positioned at the air-out end on described regeneration wind circulation passage.
Further, the wheel core material of described recuperation of heat runner is aluminium foil.
Further, described regenerative heater is afterheat recovery type coil heat exchanger.
Low grade residual heat is utilized to carry out desiccant wheel regeneration, regenerated heat recovery is carried out by arranging recuperation of heat runner between process wind air-out and regeneration wind air intake, first reduce process wind leaving air temp, and reclaiming heat, realize internal power source balance, adopt cooling tower as cooling low-temperature receiver, only need low-down dehumidifying energy consumption, can be directly used in evaporative cooling system and produce dry cold wind, meet direct evaporating-cooling technology and exist high temperature is highthe economy user demand of Humid Area, when not needing to provide extra refrigeration, reduces final leaving air temp, and has reclaimed the heat in process air, significantly improves the Energy Efficiency Ratio of dehumidification equipment.
Accompanying drawing explanation
figure1 is this invention is realexecute that example provides low grade residual heat reclaiming type energy-saving dehumidifier groupstructural representation figure.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with attached figureand embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to figure1, the embodiment of the present invention provides low grade residual heat reclaiming type energy-saving dehumidifier group100 can be used for high temperature is highhumid Area, equally also goes for Arid Area.Should low grade residual heat reclaiming type energy-saving dehumidifier group100 are exclusively used in DEC system (that is, direct evaporating-cooling system).
Described low grade residual heat reclaiming type energy-saving dehumidifier group100 the first driving mechanism 20, process blower fan 7 and the regeneration blower fans 1 comprising desiccant wheel 2, drive described desiccant wheel 2 to rotate, hygroscopic material is filled with in described desiccant wheel 2, described desiccant wheel 2 has the first treatment region 202 and the first renewing zone 201, described process blower fan 7 formation processing wind circulation passage 110 common with described first treatment region 202 of described desiccant wheel 2, described regeneration blower fan 1 is jointly formed with described first renewing zone 201 of described desiccant wheel 2 and regenerates wind circulation passage 120, described in low grade residual heat reclaiming type energy-saving dehumidifier group100 also comprise recuperation of heat runner 4, drive the second driving mechanism 30 that described recuperation of heat runner 4 rotates, be arranged at the surface cooler 12 on described process wind circulation passage 110, be connected to the cooling tower 13 on described surface cooler 12 and be arranged at the regenerative heater 3 on described regeneration wind circulation passage 120, described recuperation of heat runner 4 has the second treatment region 402 and the second renewing zone 401, process wind flows through described first treatment region 202 of described desiccant wheel 2 in turn under the drive of described process blower fan 7, described second treatment region 402 of described recuperation of heat runner 4 and described surface cooler 12 and form described process wind circulation passage 110, regeneration wind flows through described second renewing zone 401 of described recuperation of heat runner 4 in turn under the drive of described regeneration blower fan 1, described first renewing zone 201 of described regenerative heater 3 and described desiccant wheel 2 and form described regeneration wind circulation passage 120, the air-flow trend of described process wind circulation passage 110 moves towards contrary with the air-flow of described regeneration wind circulation passage 120.
First driving mechanism 20 and the second driving mechanism 30 drive desiccant wheel 2 and recuperation of heat runner 4 to continue to rotate respectively, process wind enters the first treatment region 202 of desiccant wheel 2 under the drive of process blower fan 7, the hygroscopic material of desiccant wheel 2 absorbs the moisture in process wind, process wind is become the dry gas stream after process, when this dry gas stream passes through the second treatment region 402 of recuperation of heat runner 4, heat in dry gas stream after process is absorbed, realize the preliminary cooling of the dry gas stream after to process, this dry gas stream is after surface cooler 12, obtain final cooling, what finally send is dry cold airflow, simultaneously, regeneration wind is under the drive of regeneration blower fan 1, behind the second renewing zone 401 of recuperation of heat runner 4, regeneration wind absorbs the heat of the second renewing zone 401, reach the preliminary preheating to regeneration wind, regeneration wind after preliminary preheating is again through the heating of regenerative heater 3, obtain further preheating, regeneration wind after further preheating is behind the first renewing zone 201 of desiccant wheel 2, by the moisture evaporation on it, regeneration wind after further preheating takes away the moisture on the hygroscopic material of the first renewing zone 201, heat is absorbed when the moisture evaporation of hygroscopic material, in desiccant wheel 2 rotation process, the heat that hygroscopic material absorbs can bring the first treatment region 202 into, process wind is when the first treatment region 202, hygroscopic material is while moisture absorption, also process wind is transferred heat to, then, process wind is tentatively lowered the temperature at the first treatment region 202 of recuperation of heat runner 4, final cooling process is done again by surface cooler 12, so, at desiccant wheel 2 with under the rotation of recuperation of heat runner 4, realize the dehumidifying of desiccant wheel 2 and the preheating of regeneration and recuperation of heat runner 4 and the cyclic process of cooling.
The heat that recuperation of heat runner 4 absorbs in process wind carries out preheating to regeneration wind, then by the moisture evaporation on hygroscopic material, the heat that evaporation absorbs is absorbed by recuperation of heat runner 4 again under the drive of process wind, and circulation like this does not stop, and reaches the effective utilization to low grade residual heat.
Desiccant wheel 2 regenerates only needs lower heating-up temperature, effectively can utilize low grade residual heat, mainly to effective utilization of industrial low grade residual heat.Described desiccant wheel 2 is provided with cavity, fills described hygroscopic material in described cavity.Low grade residual heat mentioned here refers to that grade is low, concentration is little, little energy, the used heat energy be not taken seriously.
Utilize low grade residual heat to carry out desiccant wheel 2 to regenerate, regenerated heat recovery is carried out by arranging recuperation of heat runner 4 between process wind air-out and regeneration wind air intake, first reduce process wind leaving air temp, and reclaiming heat, realize internal power source balance, adopt cooling tower as cooling low-temperature receiver, only need low-down dehumidifying energy consumption, can be directly used in evaporative cooling system and produce dry cold wind, meet direct evaporating-cooling technology and exist high temperature is highthe economy user demand of Humid Area.Of the present invention low grade residual heat reclaiming type energy-saving dehumidifier group100, when not needing to provide extra refrigeration, reduce final leaving air temp, and have reclaimed the heat in process air, significantly improve the Energy Efficiency Ratio of dehumidification equipment.
In the present embodiment, described desiccant wheel 2 is aluminium chassis structure, and core wheel hygroscopic material is cellulose, and desiccant wheel 2 utilizes encapsulant runner to be divided into the first renewing zone 201 and the first treatment region 202.Drive desiccant wheel 2 slowly to rotate by the first driving mechanism 20, complete continuous print dehumidifying and regenerative process.
Further, described in low grade residual heat reclaiming type energy-saving dehumidifier group100 also comprise the first filter 6 be arranged on described process wind circulation passage 110 and the second filter 5 be arranged on described regeneration wind circulation passage 120, described first filter 6 is positioned at the air intake head end of described process wind circulation passage 110, and described second filter 5 is positioned at the air intake head end of described regeneration wind circulation passage 120.After the filtration of the first filter 6 and the second filter 5, process wind is eolian with regeneration is comparatively clean air-flow, avoid polluting desiccant wheel 2 through during desiccant wheel 2 at process wind, also avoid polluting recuperation of heat runner 4 through during recuperation of heat runner 4 at regeneration wind.
In the present embodiment, described process blower fan 7 and described regeneration blower fan 1 are arranged at the air-flow air side of described process wind circulation passage 110 and described regeneration wind circulation passage 120 respectively, now, process blower fan 7 lays respectively at the two ends be staggered of whole gas channel with regeneration blower fan 1, and gas channel mentioned here refers to process wind circulation passage 110 and regeneration wind circulation passage 120.Setting like this, makes lower air duct pressure reduction reduce, the possibility of lower air duct string wind in reduction.
In other embodiments, described process blower fan 7 and described regeneration blower fan 1 are arranged at the air-flow inlet side of described process wind circulation passage 110 and described regeneration wind circulation passage 120 respectively, process blower fan 7 can be made equally to lay respectively at the two ends be staggered of whole gas channel with regeneration blower fan 1, and gas channel mentioned here refers to process wind circulation passage 110 and regeneration wind circulation passage 120.Setting like this, makes lower air duct pressure reduction reduce, the possibility of lower air duct string wind in reduction.
In the present embodiment, more specifically, described process blower fan 7 is on described process wind circulation passage 110 between described second treatment region 402 of described recuperation of heat runner 4 and described surface cooler 12, and described regeneration blower fan 1 is positioned at the air-out end on described regeneration wind circulation passage 120.
Further, described first driving mechanism 20 comprises the first drive motors 8, is installed on first on the output shaft of described first drive motors 8 and drives runner 21 and be connected to described first and drive the first belt 9 between runner 21 and described desiccant wheel 2.Desiccant wheel 2 drives slow rotation by the first drive motors 8 by the first belt 9, completes continuous print dehumidifying and regenerative process.
Further, described second driving mechanism 30 comprises the second drive motors 10, is installed on second on the output shaft of described second drive motors 10 and drives runner 31 and be connected to described second and drive the second belt 11 between runner 31 and described recuperation of heat runner 4.Described recuperation of heat runner 4 adopts aluminium foil heat exchanger, and the wheel core material of described recuperation of heat runner 4 is aluminium foil.Be divided into the second renewing zone 401, second treatment region 402 by encapsulant, drive rotation faster by the second belt 11 by the second drive motors 10.
Further, described regenerative heater 3 is afterheat recovery type coil heat exchanger, can be applicable to the low grade residual heat such as afterheat of hot water, steam waste heat simultaneously and reclaim.
Further, described cooling tower 13 is counter-flow cooling tower.
Understandably, in process wind circulation passage 110, between each components and parts connecting this passage is ventilation shaft, components and parts mentioned here refer to the first filter 6, desiccant wheel 2, recuperation of heat runner 4, process blower fan 7 and surface cooler 12, that is, the second treatment region 402 of the first filter 6, process blower fan 7, the first treatment region 202 of desiccant wheel 2, recuperation of heat runner 4, surface cooler 12 (connecting cooling tower 13) and the ventilation shaft formation processing wind circulation passage 110 between them; Similarly, in regeneration wind circulation passage 120, between each components and parts connecting this passage is also ventilation shaft, components and parts mentioned here refer to the second filter 5, recuperation of heat runner 4, regenerative heater 3, desiccant wheel 2 and regeneration blower fan 1, that is, the second filter 5, regeneration blower fan 1, regenerative heater 3, the first renewing zone 201 of desiccant wheel 2, the second renewing zone 401 of recuperation of heat runner 4 and the ventilation shaft between them form regeneration wind circulation passage 120.
Particularly, in the present embodiment, regeneration wind circulation passage 120 is divided into several sections of air channels, i.e. air channel A, air channel B, air channel C, air channel D and air channel E, second renewing zone 401 of described second filter 5, air channel E, recuperation of heat runner 4, air channel D, regenerative heater 3, air channel C, the first renewing zone 201 of desiccant wheel 2, air channel B, regeneration blower fan 11 air channel A are tightly connected successively, form regeneration wind circulation passage 120; First treatment region 202 of described first filter 6, air channel H, desiccant wheel 2, air channel I, the second treatment region 402 of recuperation of heat runner 4, air channel J, process blower fan 7, air channel K, surface cooler 12, air channel F is tightly connected successively, formation processing wind circulation passage 110;
In the present embodiment, natural wind humid air processing procedure is: outdoor air is admission passage H after the first filter 6 tentatively filters, when the first treatment region 202 by desiccant wheel 2, drier (i.e. hygroscopic material) absorption in the dehumidified runner 2 of moisture in air, simultaneously because the reasons such as desiccant wheel 2 is heated cause process air themperature to raise, high temperature dry air enters the second treatment region 402 of recuperation of heat runner 4 by passage I, heat exchange is carried out with regeneration wind, tentatively lower the temperature, then carry out final cooling processing by surface cooler 12.
Desiccant wheel 2 regenerative process is: regeneration wind enters unit by the second filter 5, flow through the second renewing zone 401 that passage E enters recuperation of heat runner 4, the heat in wind is recycled after carrying out heat exchange with high-temperature process wind, regeneration wind is tentatively heated, regenerative heater 3 is entered again by passage D, utilize low grade residual heat will regenerate wind heating, the adsorbent of heating and dehumidification runner 2 when high temperature air after heating flows through the first renewing zone 201 of desiccant wheel 2, desiccant wheel 2 completes desorption and regeneration, and regeneration wind discharges dehumidifying unit 100 by regenerating blower fan 1.
For the first treatment region 202 and the first renewing zone 201 that desiccant wheel 2 marks off, first treatment region 202 and the first renewing zone 201 are only regions, here, the corresponding region of the desiccant wheel 2 of every process wind process is the first treatment region 202, the corresponding region of the desiccant wheel 2 of regeneration wind process is the first renewing zone 201, first treatment region 202 and the first renewing zone 201 are not desiccant wheel 2 self intrinsic structure or physical division, but different owing to plaing a part when desiccant wheel 2 turns to the air channel of variety classes wind.Similarly, the second treatment region 402 and the second renewing zone 401 that recuperation of heat runner 4 marks off, second treatment region 402 and the second renewing zone 401 are only regions, here, the corresponding region of the recuperation of heat runner 4 of every process wind process is the second treatment region 402, the corresponding region of the recuperation of heat runner 4 of regeneration wind process is the second renewing zone 401, second treatment region 402 and the second renewing zone 401 are not recuperation of heat runner 4 self intrinsic structure or physical division, but different owing to plaing a part when recuperation of heat runner 4 turns to the air channel of variety classes wind.
The embodiment of the present invention provides low grade residual heat reclaiming type energy-saving dehumidifier group100 tools have the following advantages:
1) low grade residual heat produced in industrial production has been recycled;
2) reclaim the regenerated heat in process wind, reduce equipment cooling load;
3) reclaiming heat is to the preheating of regeneration wind, reduces desiccant wheel 2 regeneration energy consumption;
4) under not needing highly energy-consuming equipment to carry out the condition dehumidifying and lower the temperature, provide the dry wind being applicable to direct evaporating-cooling system, make direct evaporating-cooling technology can be high temperature is highhumid Area is promoted.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a low grade residual heat reclaiming type energy-saving dehumidifier group, can be used for hot and humid area, described low grade residual heat reclaiming type energy-saving dehumidifier group comprises desiccant wheel, drive the first driving mechanism that described desiccant wheel rotates, process blower fan and regeneration blower fan, hygroscopic material is filled with in described desiccant wheel, it is the first treatment region and the first renewing zone that described desiccant wheel has, the described first treatment region common formation processing wind circulation passage of described process blower fan and described desiccant wheel, described first renewing zone of described regeneration blower fan and described desiccant wheel is jointly formed and regenerates wind circulation passage, it is characterized in that: described low grade residual heat reclaiming type energy-saving dehumidifier group also comprises recuperation of heat runner, drive the second driving mechanism that described recuperation of heat runner rotates, be arranged at the surface cooler on described process wind circulation passage, be connected to the cooling tower on described surface cooler and be arranged at the regenerative heater on described regeneration wind circulation passage, described recuperation of heat runner has the second treatment region and the second renewing zone, process wind flows through described first treatment region of described desiccant wheel in turn under the drive of described process blower fan, described second treatment region of described recuperation of heat runner and described surface cooler and form described process wind circulation passage, regeneration wind flows through described second renewing zone of described recuperation of heat runner in turn under the drive of described regeneration blower fan, described first renewing zone of described regenerative heater and described desiccant wheel and form described regeneration wind circulation passage, the air-flow trend of described process wind circulation passage moves towards contrary with the air-flow of described regeneration wind circulation passage.
2. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, it is characterized in that: described low grade residual heat reclaiming type energy-saving dehumidifier group also comprises the first filter be arranged on described process wind circulation passage and the second filter be arranged on described regeneration wind circulation passage, described first filter bits is in the air intake head end of described process wind circulation passage, and described second filter bits is in the air intake head end of described regeneration wind circulation passage.
3. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, is characterized in that: described process blower fan and described regeneration blower fan are arranged at the air-flow inlet side of described process wind circulation passage and described regeneration wind circulation passage respectively.
4. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, is characterized in that: described process blower fan and described regeneration blower fan are arranged at the air-flow air side of described process wind circulation passage and described regeneration wind circulation passage respectively.
5. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, is characterized in that: the first belt that described first driving mechanism comprises the first drive motors, is installed on the first driving runner on the output shaft of described first drive motors and is connected between described first driving runner and described desiccant wheel.
6. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, is characterized in that: the second belt that described second driving mechanism comprises the second drive motors, is installed on the second driving runner on the output shaft of described second drive motors and is connected between described second driving runner and described recuperation of heat runner.
7. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, is characterized in that: described cooling tower is counter-flow cooling tower.
8. low grade residual heat reclaiming type energy-saving dehumidifier group as claimed in claim 1, it is characterized in that: described process blower fan is on described process wind circulation passage between described second treatment region of described recuperation of heat runner and described surface cooler, and described regeneration blower fan is positioned at the air-out end on described regeneration wind circulation passage.
9. the low grade residual heat reclaiming type energy-saving dehumidifier group as described in any one of claim 1-8, is characterized in that: the wheel core material of described recuperation of heat runner is aluminium foil.
10. the low grade residual heat reclaiming type energy-saving dehumidifier group as described in any one of claim 1-8, is characterized in that: described regenerative heater is afterheat recovery type coil heat exchanger.
CN201510005727.3A 2015-01-04 2015-01-04 Low-grade afterheat recycling type energy-saving dehumidifying unit Pending CN104654480A (en)

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CN105823153A (en) * 2016-04-07 2016-08-03 东南大学 Hybrid air conditioning system
CN106949576A (en) * 2017-04-28 2017-07-14 苍南县炎亭登科水产有限公司 A kind of reproducible dehumidification system for runner
CN109869734A (en) * 2017-12-04 2019-06-11 清华大学 A kind of fume afterheat depth recovery system
CN110398000A (en) * 2019-08-02 2019-11-01 深圳市睿达机器人科技有限公司 A kind of hot runner automatically processing device of Efficient intelligent and its working method

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Publication number Priority date Publication date Assignee Title
CN105823153A (en) * 2016-04-07 2016-08-03 东南大学 Hybrid air conditioning system
CN106949576A (en) * 2017-04-28 2017-07-14 苍南县炎亭登科水产有限公司 A kind of reproducible dehumidification system for runner
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CN110398000A (en) * 2019-08-02 2019-11-01 深圳市睿达机器人科技有限公司 A kind of hot runner automatically processing device of Efficient intelligent and its working method
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Application publication date: 20150527