CN106958881A - A kind of non-axis transmission rotary dehumidifier - Google Patents

A kind of non-axis transmission rotary dehumidifier Download PDF

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Publication number
CN106958881A
CN106958881A CN201710258958.4A CN201710258958A CN106958881A CN 106958881 A CN106958881 A CN 106958881A CN 201710258958 A CN201710258958 A CN 201710258958A CN 106958881 A CN106958881 A CN 106958881A
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CN
China
Prior art keywords
desiccant wheel
fixing axle
fixed mount
fixed
wheel
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
CN201710258958.4A
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Chinese (zh)
Inventor
刘新路
朱志鹏
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.)
Hangzhou Fodi Bosworth Electric Co Ltd
Original Assignee
Hangzhou Fodi Bosworth Electric 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 Hangzhou Fodi Bosworth Electric Co Ltd filed Critical Hangzhou Fodi Bosworth Electric Co Ltd
Priority to CN201710258958.4A priority Critical patent/CN106958881A/en
Publication of CN106958881A publication Critical patent/CN106958881A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F24F2003/144Air-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 by dehumidification only

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Gases (AREA)

Abstract

The present invention relates to a kind of non-axis transmission rotary dehumidifier, belong to air-treatment technical field.It includes frame, control device, dehydrating unit, processing unit and regenerating unit, machine frame inside includes mutually isolated treatment region and renewing zone, dehydrating unit includes desiccant wheel, dehydrating unit also includes runner fixed mount and some fixing axles with expansion tightening wheel, fixing axle is removably secured on fixed mount, desiccant wheel is removably secured on fixed mount by fixing axle, and the outer circumference surface of the periphery of expansion tightening wheel respectively with desiccant wheel is tangent.Fixed mount of the present invention and fixing axle are engaged fixed desiccant wheel, directly breach the fixed form of conventional dehumidification runner so that the autorotation stability of desiccant wheel is high, and maintenance changes convenient, while not influenceing the effective dehumidification area of desiccant wheel, dehumidification rate is high;The temperature conditions of regeneration wind and the overall operation situation of dehumidifier can be detected in real time, and degree of safety and reliability are high;It is simple in construction, it is easy to control.

Description

A kind of non-axis transmission rotary dehumidifier
Technical field
The present invention relates to a kind of non-axis transmission rotary dehumidifier, belong to air-treatment technical field.
Background technology
Generally, dehumidifier can be divided into the dehumidifier using kind of refrigeration cycle and the dehumidifying using drying wheel according to working method Machine.
Under the occasion using the dehumidifier of kind of refrigeration cycle, dehumidifier must possess compressor, but produced by compressor Noise and also fail to be solved effectively the problem of take up space brought, therefore, using the dehumidifier of drying wheel by wide Large user's likes.
Drying wheel has the property of the moisture in absorption air, can be and sharp to being dehumidified by its room air The drying element of adsorbed moisture is regenerated with high temperature air.Recycle, dry in order that element must be dried and be regenerated Wheel must generally have to keep the state of a rotation.It is typically that can revolve drying wheel by central shaft in existing technology It is fixed in the frame of dehumidifier with turning, makes it can be with rotation.
Such as the patent that China Patent Publication No. is " CN202366610U ", " a kind of rotary dehumidifier " is disclosed, " including except Wet runner, regeneration heater box, regenerative heater, casing, processing blower fan, regeneration blower fan and control system, regenerative heater are installed In regeneration heater box, desiccant wheel, regeneration heater box, processing blower fan, regeneration blower fan, control system are installed in casing, Regeneration air inlet, regenerative exhaust air mouthful, processing air inlet, processing exhaust outlet are provided with casing, it is characterized in that:Desiccant wheel is divided into Renewing zone, treatment region, renewing zone, treatment region are mutually isolated, regeneration air inlet, regeneration heater box, the renewing zone of desiccant wheel, again Raw blower fan, regenerative exhaust air mouth UNICOM successively, processing air inlet, processing blower fan, the treatment region of desiccant wheel, processing exhaust outlet are successively UNICOM, control system is all connected with desiccant wheel, regenerative heater, processing blower fan, regeneration blower fan;The desiccant wheel center One internal thread central shaft is installed, by two pieces of hex bolts location and installation desiccant wheels ".
However, by way of central shaft installs desiccant wheel, when desiccant wheel occur any problem such as quality need into , it is necessary to dismantle many parts successively when row maintenance or replacing, desiccant wheel can be disassembled, it is very not square Just.Meanwhile, moment of torsion produced when centre bearing is rotated by desiccant wheel is depended merely on, is very easy to make it that desiccant wheel rotates shakiness It is fixed, influence the effect on moisture extraction and service life of whole machine.
The content of the invention
It is an object of the invention to overcome above shortcomings in the prior art, and provide a kind of can both turn to dehumidifying Regeneration is dried in wheel, while the high non-axis transmission rotary dehumidifier of convenient disassembly, stability.
The present invention the used technical scheme that solves the above problems is:A kind of non-axis transmission rotary dehumidifier, including frame With the control device in frame, dehydrating unit, processing unit and regenerating unit, the machine frame inside includes two mutually The treatment region of isolation and renewing zone, the dehydrating unit include the desiccant wheel containing dehumidification portion and reproducing unit, the dehumidifying dress The runner fixed mount and some fixing axles with expansion tightening wheel for also including being fixed in frame are put, the fixing axle is rotatably solid It is scheduled on fixed mount, the desiccant wheel is removably secured on fixed mount by fixing axle, the periphery of the expansion tightening wheel Outer circumference surface respectively with desiccant wheel is tangent.
Some fixing axles are removably secured on fixed mount, and expansion tightening wheel is provided with centre bore, and fixing axle turns over centre bore Expansion tightening wheel is through in fixing axle.Fixing axle is with expansion tightening wheel with the periphery side tangent with the outer circumference surface of desiccant wheel respectively Formula, desiccant wheel is clipped between fixing axle.Fixing axle under desiccant wheel center, to divide equally desiccant wheel itself Gravity, erects desiccant wheel, is allowed to hanging;Fixing axle on desiccant wheel center, coordinates with the fixing axle of lower section, right The position of desiccant wheel is further positioned.Desiccant wheel drives each fixing axle to distinguish rotation when rotated, directly, from And allow desiccant wheel to favorably accomplish rotation;Meanwhile, the moment of torsion produced during its rotation is disperseed by each fixing axle, directly Improve stability during desiccant wheel rotation.And when needing to overhaul desiccant wheel or changed, only need to be by top Fixing axle is pulled down, you can take out desiccant wheel, simple and convenient in the extreme.
Secondly, desiccant wheel itself has certain weight, therefore, using it is original fixed by central shaft by the way of When erect desiccant wheel it is necessary to have the central shaft of certain diameter, otherwise, center axis intensity will not enough cause central shaft Buckling phenomenon, directly affects the rotation of desiccant wheel, influence dehumidification rate and service life.And fixed by some fixing axles Mode, the deadweight of desiccant wheel is dispersed in the fixing axle of desiccant wheel central lower, reduces strong to fixing axle The requirement of degree.Meanwhile, original central shaft is due to the factor of diameter so that the internal diameter of desiccant wheel centre bore needs cooperation center The external diameter of axle is set so that effective dehumidification area of desiccant wheel reduces.And use the mode of fixing axle fixation desiccant wheel, then There is no any influence to effective dehumidification area of desiccant wheel, directly enhance dehumidification rate.
Further, the fixed plate includes being separately positioned on the fixed mount one and fixed mount two of desiccant wheel both sides, institute State fixing axle, fixing axle two and fixing axle three that fixing axle includes being distributed in equilateral triangle summit.
The two ends of fixing axle are respectively rotatably fixed on fixed mount one and fixed mount two, wherein fixing axle and fixation The second-class highland of axle is arranged on the lower section at desiccant wheel center, the axle periphery of fixing axle three and the highest of desiccant wheel outer circumference surface Point is tangent.The deadweight of desiccant wheel is decomposed respectively by fixing axle and fixing axle two, and moment of torsion during rotation then by fixing axle, Fixing axle two and fixing axle three are divided equally, and desiccant wheel autorotation is stable.
Further, the regenerating unit also includes the temperature monitor being connected with control device, is arranged on regeneration blower fan Exit, the temperature of wind can be regenerated with automatic detection, and testing result control device is fed back into, facilitates control device to carry out Real-time measure and control and making correspondingly reacts, and improves the security of dehumidifier.
Further, the reducing motor and reducing motor that the dehydrating unit also includes being connected with control device fix company The travelling gear connect, the belt for connecting desiccant wheel and travelling gear;The desiccant wheel is fixed on machine by fixed mount In frame, the reducing motor is fixed on fixed mount;Some buckles, the belt are additionally provided with the periphery of the desiccant wheel Inner face be provided with pawl.
Control device control reducing motor work, can be delivered to rotating on travelling gear, travelling gear drives belt to turn Dynamic, belt drives desiccant wheel to rotate again so that the drying reproduction operation of desiccant wheel is able to smoothly implement.Meanwhile, in belt Clamping is formed between buckle on the pawl and desiccant wheel periphery in face, rubbing between belt and desiccant wheel is directly increased Power is wiped, the generation of skidding is reduced, improves the job stability of dehumidifier.
Further, the dehydrating unit also includes springing stroke switch and some rotary stopper parts;The springing stroke Switch is fixed on fixed mount, and is connected with control device;The rotary stopper part is fixed on the periphery of desiccant wheel.
When desiccant wheel is rotated, the rotary stopper part being fixed on desiccant wheel periphery follows desiccant wheel to rotate, When the position where turning to springing stroke switch, springing stroke switch will be touched, signal is received by springing stroke switch, and Control device is fed back information to, in real time the working order of monitoring desiccant wheel.
The present invention compared with prior art, with advantages below and effect:The present invention is matched using fixed mount and fixing axle The mode of conjunction fixes desiccant wheel, directly breaches the fixed form of conventional dehumidification runner, not only cause desiccant wheel from Turn state stability high, install, maintenance, change convenient, while do not influence effective dehumidification area of desiccant wheel, dehumidification rate and Dry regeneration efficiency high;The temperature conditions of regeneration wind and the overall operation situation of dehumidifier, degree of safety and can be detected in real time It is high by property;It is simple in construction, it is easy to control.
Brief description of the drawings
Fig. 1 is whole interior structural representation of the invention.
Fig. 2 is Fig. 1 forward sight structural representation.
Fig. 3 is A-A cross-sectional views in Fig. 2.
Fig. 4 is Fig. 1 overlooking the structure diagram.
Fig. 5 is B-B cross-sectional views in Fig. 4.
In accompanying drawing:1 is frame, and 2 be processing blower fan, and 3 be desiccant wheel, and 4 be reducing motor, and 5 be travelling gear, and 6 be skin Band, 7 be expansion tightening wheel, and 8 be regeneration blower fan, and 9 be regeneration heater box, and 10 be ptc heater, and 11 be temperature monitor, and 12 be rotation Locating part, 13 be fixed mount one, and 14 be fixed mount two, and 15 be fixing axle, and 16 be fixing axle two, and 17 be fixing axle three, and 18 are Wind inlet is handled, 19 be the outlet of processing wind, and 20 be screen pack one, and 21 be fan fixed mount, and 22 be regeneration wind inlet, and 23 be regeneration Wind is exported, and 24 be screen pack two, and 25 be fixed case, and 26 be seal box one, and 27 be seal box two, and 28 be buckle, and 29 be elastic row Cheng Kaiguan.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described in further detail by embodiment, following examples are to this hair Bright explanation and the invention is not limited in following examples.
Referring to Fig. 1-Fig. 5, the present embodiment includes frame 1 and control device in frame 1, processing unit, dehumidifying Device and regenerating unit.The operation of control device control process device, dehydrating unit and regenerating unit.
The inside of frame 1 includes two mutually isolated treatment regions and renewing zone.Processing unit includes processing blower fan 2.Dehumidifying Device includes desiccant wheel 3, reducing motor 4, travelling gear 5, belt 6, expansion tightening wheel 7 and fixed mechanism.Regenerating unit is included again Raw blower fan 8, regeneration heater box 9, ptc heater 10 and temperature monitor 11.
Desiccant wheel 3 is fixed in frame 1 by fixed mechanism, is divided into dehumidification portion and reproducing unit.Wherein fixed mechanism bag Include fixed mount 1, fixed mount 2 14, fixing axle 15, fixing axle 2 16 and fixing axle 3 17.Fixing axle 15, fixing axle two 16 and fixing axle 3 17 was last is provided with an expansion tightening wheel 7, two ends are respectively rotatably fixed on fixed mount 1 and fixed mount two On 14.
Fixed mount 1 and fixed mount 2 14 are separately positioned on the both sides of desiccant wheel 3, fixing axle 15 and fixing axle two 16 grades highland is arranged on the lower section at the center of desiccant wheel 1, and the axle periphery and desiccant wheel outer circumference surface of fixing axle 3 17 are most High point is tangent, the fixing point of fixing axle 15, fixing axle 2 16 and fixing axle 3 17 on fixed mount 1 and fixed mount 2 14 Form the summit state of equilateral triangle.The deadweight of desiccant wheel is decomposed by fixing axle 15 and fixing axle 2 16 divides equally, and from Moment of torsion when turning then is divided equally by fixing axle 15, fixing axle 2 16 and fixing axle 3 17, and the autorotation of desiccant wheel 3 is stable.
Being respectively arranged at two ends with processing wind inlet 18 and handling wind for the treatment region of frame 1 exports 19, handles the He of wind inlet 18 Processing wind outlet 19 is all provided with indoors.Processing wind inlet 18 is fixedly connected with handling the air inlet of blower fan 2, and in processing wind inlet Screen pack 1 is additionally provided between 18 and the air inlet of processing blower fan 2.Processing blower fan 2 is fixed on frame by fan fixed mount 21 In 1, its air outlet is towards the dehumidification portion on desiccant wheel 3.
Renewing zone is respectively arranged at two ends with regeneration wind inlet 22 and regeneration wind outlet 23, regeneration wind inlet 22 be located at it is indoor or It is outdoor, and outdoor can be connected to by pipeline by regenerating wind outlet 23.Regeneration wind inlet 22 is fixed with regenerating the air inlet of blower fan 8 Connection, and it is additionally provided with screen pack 2 24 between the air inlet of regeneration wind inlet 22 and regeneration blower fan 8.Blower fan 8 is regenerated to pass through admittedly Determine case 25 to be fixed in frame 1, its air outlet is arranged in fixed case 25, ptc heater 10 is then fixed by regenerating heater box 9 At the air outlet of regeneration blower fan 8.Ptc heater 10 is connected with control device.
The air outlet of fixed case 25 is tightly connected by the reproducing unit of seal box 1 and desiccant wheel 3, and in seal box One 26 provided with the temperature monitor 11 being connected with control device, and the test side of temperature monitor 11 is extend into seal box 1 Portion, the temperature of regeneration wind can be detected in real time, and feeds back information to control device.
The opposite side of the reproducing unit of desiccant wheel 3 passes through the pass-out dehumidifier of seal box 2 27.
Reducing motor 4 and expansion tightening wheel 7 are each attached on runner fixed mount 12, and the power of travelling gear 5 and reducing motor 4 is defeated Go out end to be fixedly connected.Control device controls the running of reducing motor 4, and belt 6 is respectively fitted on travelling gear 5 and desiccant wheel 3, The kinetic energy of travelling gear 5 is passed into desiccant wheel 3, drives desiccant wheel 3 to rotate.The inner face of belt 6, which is provided with, removes pawl, and wet Some buckles 28 are additionally provided with the periphery of runner.Clamping is formed between pawl and buckle 28, belt 6 and dehumidifying is directly increased Frictional force between runner 3, reduces the generation of skidding.
Springing stroke switch 29, and springing stroke switch 29 and control device are further fixed on runner fixed mount 12 Connection.Some rotary stopper parts 30 are additionally provided with the periphery of desiccant wheel 3.When desiccant wheel 3 is rotated, dehumidifying is fixed on Rotary stopper part 30 on the periphery of runner 3 follows desiccant wheel 3 to rotate, the position where springing stroke switch 29 is turned to When, springing stroke switch 29 will be touched, signal is received by springing stroke switch 29, and control device is fed back information to, in real time Monitor the working order of desiccant wheel 3.
Although the present invention is disclosed as above with embodiment, it is not limited to protection scope of the present invention, any ripe The technical staff of this technology is known, in the change and retouching made without departing from the spirit and scope of the invention, this all should be belonged to The protection domain of invention.

Claims (5)

1. a kind of non-axis transmission rotary dehumidifier, including frame and control device in frame, dehydrating unit, processing dress Put and regenerating unit, the machine frame inside includes two mutually isolated treatment regions and renewing zone, the dehydrating unit includes containing There is the desiccant wheel of dehumidification portion and reproducing unit, the dehydrating unit also includes the runner fixed mount and some bands being fixed in frame There is the fixing axle of expansion tightening wheel, the fixing axle is removably secured on fixed mount, and the desiccant wheel can revolve by fixing axle It is fixed on fixed mount with turning, the outer circumference surface of the periphery of the expansion tightening wheel respectively with desiccant wheel is tangent.
2. non-axis transmission rotary dehumidifier according to claim 1, it is characterised in that:The fixed plate includes setting respectively Fixed mount one and fixed mount two in desiccant wheel both sides, the fixing axle include the fixing axle being distributed in equilateral triangle summit First, fixing axle two and fixing axle three.
3. non-axis transmission rotary dehumidifier according to claim 1, it is characterised in that:The regenerating unit also includes and control The temperature monitor of device connection processed.
4. the non-axis transmission rotary dehumidifier according to Claims 2 or 3, it is characterised in that:The dehydrating unit also includes The reducing motor that is connected with control device, the travelling gear being fixedly connected with reducing motor, for being connected desiccant wheel and transmission The belt of gear;The reducing motor is fixed on fixed mount;Some buckles, institute are additionally provided with the periphery of the desiccant wheel The inner face for stating belt is provided with pawl.
5. non-axis transmission rotary dehumidifier according to claim 4, it is characterised in that:The dehydrating unit also includes elasticity Travel switch and some rotary stopper parts;The springing stroke switch is fixed on fixed mount, and is connected with control device;It is described Rotary stopper part is fixed on the periphery of desiccant wheel.
CN201710258958.4A 2017-04-19 2017-04-19 A kind of non-axis transmission rotary dehumidifier Pending CN106958881A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560018A (en) * 2017-09-28 2018-01-09 欧伏电气股份有限公司 Compound dehumidifying/recuperation of heat runner and dehumidifying/heat recovery machine

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230125A (en) * 1997-02-20 1998-09-02 Matsushita Electric Ind Co Ltd Rotor for dehumidifier
FR2826877A1 (en) * 2001-07-09 2003-01-10 Pfeiffer Adsorbing molecules carried in ambient air involves passing air through drum with adsorbant in its walls, while rotating drum through treatment and regeneration zones
CN101101188A (en) * 2006-07-04 2008-01-09 财团法人工业技术研究院 Rotating wheel type dehumidifying machine dehumidifying wheel replacing device
CN202366610U (en) * 2011-11-28 2012-08-08 杭州捷瑞空气处理设备有限公司 Rotary dehumidifier
CN104633793A (en) * 2015-02-12 2015-05-20 广州捷达莱堡通用设备有限公司 Rotary dehumidifier
CN204592180U (en) * 2015-02-06 2015-08-26 杭州捷瑞空气处理设备有限公司 The dead-weight tension structure of dehumidifier runner
CN105546065A (en) * 2016-02-01 2016-05-04 江苏苏净集团有限公司 Rotary wheel driving device and rotary wheel dehumidifier
CN205815423U (en) * 2016-06-28 2016-12-21 迪思特空气处理设备(常熟)有限公司 A kind of rotary dehumidifier rotary wheel frame
CN206709269U (en) * 2017-04-19 2017-12-05 杭州弗迪沃斯电气有限公司 Non-axis transmission rotary dehumidifier

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230125A (en) * 1997-02-20 1998-09-02 Matsushita Electric Ind Co Ltd Rotor for dehumidifier
FR2826877A1 (en) * 2001-07-09 2003-01-10 Pfeiffer Adsorbing molecules carried in ambient air involves passing air through drum with adsorbant in its walls, while rotating drum through treatment and regeneration zones
CN101101188A (en) * 2006-07-04 2008-01-09 财团法人工业技术研究院 Rotating wheel type dehumidifying machine dehumidifying wheel replacing device
CN202366610U (en) * 2011-11-28 2012-08-08 杭州捷瑞空气处理设备有限公司 Rotary dehumidifier
CN204592180U (en) * 2015-02-06 2015-08-26 杭州捷瑞空气处理设备有限公司 The dead-weight tension structure of dehumidifier runner
CN104633793A (en) * 2015-02-12 2015-05-20 广州捷达莱堡通用设备有限公司 Rotary dehumidifier
CN105546065A (en) * 2016-02-01 2016-05-04 江苏苏净集团有限公司 Rotary wheel driving device and rotary wheel dehumidifier
CN205815423U (en) * 2016-06-28 2016-12-21 迪思特空气处理设备(常熟)有限公司 A kind of rotary dehumidifier rotary wheel frame
CN206709269U (en) * 2017-04-19 2017-12-05 杭州弗迪沃斯电气有限公司 Non-axis transmission rotary dehumidifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107560018A (en) * 2017-09-28 2018-01-09 欧伏电气股份有限公司 Compound dehumidifying/recuperation of heat runner and dehumidifying/heat recovery machine

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