CN103316568A - Combined type compressed air cryogenic dehumidifier - Google Patents
Combined type compressed air cryogenic dehumidifier Download PDFInfo
- Publication number
- CN103316568A CN103316568A CN2013102406922A CN201310240692A CN103316568A CN 103316568 A CN103316568 A CN 103316568A CN 2013102406922 A CN2013102406922 A CN 2013102406922A CN 201310240692 A CN201310240692 A CN 201310240692A CN 103316568 A CN103316568 A CN 103316568A
- Authority
- CN
- China
- Prior art keywords
- compressed air
- frosting
- evaporimeter
- condenser
- deep cooling
- 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.)
- Granted
Links
Landscapes
- Drying Of Gases (AREA)
Abstract
The application relates to the technical field of compressed air dehumidifiers and in particular relates to a combined type compressed air cryogenic dehumidifier comprising not less than two evaporators, wherein a condenser is arranged between any two adjacent evaporators; an air output end of the last evaporator along the conveying direction of compressed air is connected with not less than two frosting devices in parallel. The compressed air firstly passes through the staggered evaporators and condensers sequentially, is cooled to 2-4 DEG C to be condensed to remove partial water vapor by the evaporator, is heated to the normal temperature by the condenser, then enters the next evaporator to be condensed and dehumidified, and so forth. The compressed air is cooled, condensed and dehumidified repeatedly and can not be frosted by low temperature, the compressed air enters the frosting devices after being cooled, condensed and dehumidified by the last evaporator, the water vapor in the compressed air is frosted to release, and therefore, a dew point of the compressed air is further reduced and cryogenic dehumidification is realized.
Description
Technical field
The application relates to compressed air dehumidifier technical field, particularly a kind of combined compressed air deep cooling dehumidifier.
Background technology
Compressed air in the industrial extensive use of pneumatic system contains a large amount of saturated liquid state and vaporous water usually.In order to prevent that these liquid state and vaporous water from working the mischief to the normal operation of pneumatic system, need to dehumidify and drying to compressed air.
The method that compressed air is dehumidified is generally compressed air lowered the temperature and makes liquid state in this compressed air and vaporous water produce condensation and be separated, thereby reaches effect on moisture extraction.For example the patent No. be CN1120154A Patent Application Publication a kind of cooled compressed air dehumidification system and device thereof, it is via refrigerant pipe and compressor, a heat exchanger of duplex configuration structure, decompressor and evaporimeter circulation connect and compose freeze cycle, this evaporimeter is configured in the secondary heat exchanger with air outlet slit and entrance, refrigerant pipe with is connected the outer tube of time heat exchanger and connects, form cold-producing medium in the mobile mode of the periphery of the inner tube of this heat exchanger, the inner tube of the air outlet slit of above-mentioned secondary heat exchanger and a heat exchanger communicates, from the blown periphery of a heat exchanger of the external air of Air Blast fan.But, above-mentioned technology has only just been carried out shallow cold dehumidifying to compressed gas source, compressed-air actuated dew point is reached about 2～4 ℃, do not carry out the deep-freezing dehumidifying, can not realize that low dew-point temperature steam removes to compressed air, make depoint depression to about-25 ℃, therefore above technology is difficult to applicable the requirement in the higher commercial Application.
Certainly, present stage also has adopts the technical method of frosting to realize the purpose that dehumidifies, it generally is compression stroke to be carried out being warming up to after condensation dehumidifies normal temperature carry out the frosting dehumidifying again, condensation dehumidifying and frosting dehumidifying are relatively independent, and there are following a plurality of problems in existing this technology: the dehumidifying of (1) condensation and the relatively independent efficiency that causes of frosting dehumidifying are low; (2) independently coolant circulating system is adopted respectively in condensation dehumidifying and frosting dehumidifying, need to configure respectively the equipment such as compressor, and cost is high, and efficiency is low; (3) the condensation dehumidifying stage fails effectively to remove liquid state and the vaporous water in the compressed air, and frosting degree is large when causing the frosting dehumidifying, because the coefficient of heat transfer is low in the frosting dehumidification process, therefore not only affect whole effect on moisture extraction, and efficiency is low; (4) because the automatic white-out of frost layer, so the operation that just need to defrost after every work a period of time, automaticity is low, inefficiency.
Therefore, for solving weak point of the prior art, provide the combined compressed air deep cooling dehumidifier that a kind of efficiency is high, energy consumption is low, cost is low, effect on moisture extraction is good and automaticity is high to seem particularly necessary.
Summary of the invention
The application's purpose is to avoid above-mentioned weak point of the prior art and the combined compressed air deep cooling that a kind of efficiency is high, energy consumption is low, cost is low, effect on moisture extraction is good and automaticity is high dehumidifier is provided.
The application's purpose is achieved through the following technical solutions:
A kind of combined compressed air deep cooling dehumidifier is provided, comprise and be no less than two evaporimeter, be provided with condenser between two evaporimeters of arbitrary neighborhood, air output along last evaporimeter of compressed air direction of transfer setting is parallel with the frosting device that is no less than two, described frosting device has at least one to be in the frosting state, remainder all is in defrost state, and flowing through wait the compressed air that dehumidifies is staggered evaporimeter and condenser flows to the frosting device that is in the frosting state to last evaporimeter;
Also comprise compressor and fluid reservoir, the output of described compressor is connected with the refrigerant entrance of described condenser, the refrigerant exit of condenser is connected with the input of described fluid reservoir, the output of described fluid reservoir is connected with the refrigerant entrance of evaporimeter through the first throttle valve on the one hand, be connected with the refrigerant entrance of frosting device through the second choke valve on the other hand, the refrigerant exit of described evaporimeter be connected the refrigerant exit of frosting device and be connected with the input of compressor respectively.
Wherein, each frosting device is provided with photoelectric detection switch, and described photoelectric detection switch detects frost thickness in the frosting device in real time, when frost thickness is closed the compressed air input of frosting device and opened the defrosting operation during greater than preset value.
Wherein, the operating temperature of described evaporimeter is 2 ℃～4 ℃, and the operating temperature of described frosting device is not less than-25 ℃.
Wherein, the below of described evaporimeter is provided with drips the dew collector, is provided with drain valve on the described dew collector.
Wherein, described evaporimeter is finned-tube evaporator, described condenser is fin tube condenser, and refrigerant works in the tube side of described finned-tube evaporator and fin tube condenser, and compressed air to be dehumidified is with horizontal finned-tube evaporator and the fin tube condenser of plunderring of the form of cross-flow.
Wherein, it is curved that the tube side of described finned-tube evaporator and fin tube condenser presents Curved Continuous, the fin of a plurality of screw-types of the outer setting of described finned-tube evaporator and fin tube condenser, zigzag, folding fan-shaped or show window shape.
Wherein, described frosting device quantity is two, and the output of described the second choke valve is connected with triple valve, and two outputs of described triple valve are connected with the refrigerant entrance of two frosting devices respectively.
Wherein, the refrigerant exit of described evaporimeter is connected with heat exchanger, and described heat exchanger is shell-and-tube heat exchanger, double pipe heat exchanger or plate type heat exchanger.
The application's beneficial effect: a kind of combined compressed air deep cooling dehumidifier is provided, compressed air is at first successively by staggered evaporimeter and condenser, be cooled to 2 ℃～4 ℃ condensation remove portion steam by evaporimeter, then be warmed to normal temperature by condenser, and then enter the dehumidifying of next evaporator condensation, so repeatedly, repeatedly lower the temperature condensation dehumidifying and don't cause frosting as for temperature is too low of compressed air, after compressed air is through last evaporimeter cooling condensation dehumidifying, compressed air enters the frosting device, the frosting device disengages the steam frosting in the compressed air, further reduces the compressed air dew point, realizes the deep cooling dehumidifying.Compared with prior art: the application has the following advantages: the dehumidifying of (1) condensation is in the same place with frosting dehumidifying organic unity, directly enter the frosting dehumidifying stage after the in the end evaporimeter cooling condensation dehumidifying, cut down the number of intermediate links, improved the whole efficiency of dehumidifier; (2) same coolant circulating system is adopted in condensation dehumidifying and frosting dehumidifying, only needs a compressor, has effectively saved cost, has reduced energy consumption; (3) because the repeatedly condensation dehumidifying of condensation dehumidifying stage employing multi-layer, (embodiment supplementary data) makes effective most of steam of removing in the compressed air of condensation dehumidifying stage reduce the frosting degree in frosting dehumidifying stage, namely reduce the defrosting workload, also improved the effect of dehumidifying; (4) a plurality of frosting device alternation; part is in the frosting state; part is in defrost state; then the former frosting device that is in defrost state is become the frosting state after reaching certain thickness Deng the frosting device frost layer of frosting state; thereby the assurance dehumidifier can work long hours continuously and need not to shut down defrosting; improve the automaticity of dehumidifier, further improved its operating efficiency.
Description of drawings
Utilize accompanying drawing that the application is described further, but the embodiment in the accompanying drawing does not consist of any restriction to the application, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is the structural representation of the embodiment of a kind of combined compressed air deep cooling of the application dehumidifier.
Fig. 2 is the structural representation of coolant circulating system of the embodiment of a kind of combined compressed air deep cooling of the application dehumidifier.
In Fig. 1 and Fig. 2, include:
1---evaporimeter, 2---condenser, 3---frosting device, 4---compressor, 5---fluid reservoir, 6---first throttle valve, 7---second choke valve, 8---triple valve.
Flow path hollow core arrow direction is the compressed air flow direction among Fig. 1, and the filled arrows direction is the refrigerant flow direction.
The specific embodiment
With the following Examples the application is further described.
The specific embodiment of a kind of combined compressed air deep cooling of the application dehumidifier, as depicted in figs. 1 and 2, comprise: only show three among a plurality of evaporimeter 1(figure, in fact can have more quantity, specifically can be according to the physical condition adjustment), be provided with condenser 2 between two evaporimeters 1 of arbitrary neighborhood, air output along last evaporimeter 1 of compressed air direction of transfer setting is parallel with two frosting device 3, described frosting device 3 has one to be in the frosting state, another is in defrost state, is in the frosting device 3 of frosting state to last evaporimeter 1 rear flow direction wait flow through staggered evaporimeter 1 and condenser 2 of the compressed air that dehumidifies; The operating temperature of described evaporimeter 1 is 2 ℃～4 ℃, and the operating temperature of described frosting device 3 is not less than-25 ℃.
This combined compressed air deep cooling dehumidifier also comprises compressor 4 and fluid reservoir 5, the output of described compressor 4 is connected with the refrigerant entrance of described condenser 2, the refrigerant exit of condenser 2 is connected with the input of described fluid reservoir 5, the output of described fluid reservoir 5 is connected with the refrigerant entrance of evaporimeter 1 through first throttle valve 6 on the one hand, on the other hand successively through the second choke valve 7, be connected with the refrigerant entrance of frosting device 3 behind the triple valve 8, two outputs of described triple valve 8 are connected with the refrigerant entrance of two frosting devices 3 respectively, the refrigerant exit of described evaporimeter 1 be connected the refrigerant exit of frosting device 3 and be connected with the input of compressor 4 respectively, form coolant circulating system with this.
In the dehumidifying work, compressed air is at first successively by staggered evaporimeter 1 and condenser 2, be cooled to 2～4 ℃ by evaporimeter 1, temperature is lower than the compressed air dew point, compressed air generation condensation remove portion steam, then leave chill surface and enter condenser 2, be warmed to normal temperature by condenser 2, and then enter the dehumidifying of next evaporimeter 1 condensation, so repeatedly, on the one hand be so that keep the higher coefficient of heat transfer between compressed air and the evaporimeter 1, improve heat exchange efficiency and efficiency, have and by sufficient cool-down dehumidification and don't can cause the compressed air frosting because excessively lower the temperature guaranteeing to reveal the dehumidifying stage on the other hand.Therefore through after the condensation dehumidifying, the steam of compressed air 95% is removed, and water content of compressed air is down to 0.563 g/kg from 20.356 g/kg.Dew point effectively is down to 3～4 ℃ by 25 ℃ of normal temperature.
After compressed air is through last evaporimeter 1 cooling condensation dehumidifying, compressed air directly enters frosting device 3,3 one of frosting devices are in the frosting state, and another is in defrost state, and compressed air enters the frosting device 3 that is in the frosting state, frosting device 3 makes compressed-air actuated temperature be down to-25 ℃, steam frosting in the compressed air disengages, and further reduces the compressed air dew point, makes its dew point arrive-25 ° of C, water content reaches 0.044g/kg, realizes the deep cooling dehumidifying.In addition, two frosting devices 3 are used alternatingly, one is in the frosting state, another one is in defrost state, when frosting device 3 frost thicknesses that are in the frosting state acquire a certain degree, then close this frosting device 3 and make it enter defrost state, open simultaneously another frosting device 3 and make it become the frosting state by defrost state.
In addition, in the coolant circulating system, compressor 4 is with the spirit medium boil down to high-pressure gaseous of evaporimeter 1 and 3 outputs of frosting device, and the refrigerant of this high-pressure gaseous is sent to condenser 2, release heat is condensed into the refrigerant of low temperature liquid and is stored in the fluid reservoir 5 in condenser 2, fluid reservoir 5 sends the refrigerant of low temperature liquid to evaporimeter 1 and frosting device 3 by choke valve, make refrigerant evaporation endothermic in evaporimeter 1 and frosting device 3, realize the cooling purpose, refrigerant is converted into the high-temperature low-pressure gaseous state, then be delivered in the compressor 4 and again compress, realize circulation.
Compared with prior art: the application has the following advantages: the dehumidifying of (1) condensation is in the same place with frosting dehumidifying organic unity, in the end directly enter the frosting dehumidifying stage after evaporimeter 1 a cooling condensation dehumidifying, cut down the number of intermediate links, improved the whole efficiency of dehumidifier; (2) same coolant circulating system is adopted in condensation dehumidifying and frosting dehumidifying, only needs a compressor 4, has effectively saved cost, has reduced energy consumption; (3) because the repeatedly condensation dehumidifying of condensation dehumidifying stage employing multi-layer, (embodiment supplementary data) makes effective most of steam of removing in the compressed air of condensation dehumidifying stage reduce the frosting degree in frosting dehumidifying stage, namely reduced the defrosting workload, also improved the effect of dehumidifying, and since during frosting the coefficient of heat transfer low, reducing frosting degree also can the Effective Raise system energy efficiency; (4) two frosting device 3 alternations; one is in the frosting state; another is in defrost state; then the former frosting device 3 that is in defrost state is become the frosting state after reaching certain thickness Deng frosting device 3 frost layers of frosting state; thereby the assurance dehumidifier can work long hours continuously and need not to shut down defrosting; improve the automaticity of dehumidifier, further improved its operating efficiency.
What need supplementary notes is, the quantity of frosting device 3 can be more than two in the present embodiment, and principal security has at least a part to be in the frosting state, and another part is in defrost state and gets final product; In addition, the operating temperature of frosting device 3 can adopt other to be lower than 0 ℃ temperature, specifically can require change according to required compressed-air actuated dew point, simultaneously owing to effectively removing most of steam in the condensation dehumidifying stage, therefore can be down to-40 ℃ in the operating temperature of the frosting device 3 of the application's technical scheme.
Each frosting device 3 is provided with photoelectric detection switch, and described photoelectric detection switch detects frosting device 3 interior frost thicknesses in real time, when frost thickness is closed the compressed air input of frosting device 3 during greater than preset value and opened the defrosting operation.Adopt photoelectric detection switch to rotate and detect frost thickness, thereby realize two frosting devices, 3 automatic switchover frosting/defrost state, further improved the automaticity of dehumidifier,
The below of described evaporimeter 1 is provided with drips the dew collector, is provided with drain valve on the described dew collector.Steam drops in the dew collector after evaporimeter 1 is received the generation condensation, drips a dew collector and regularly opens the drain valve draining, avoids the inner ponding of dehumidifier.
Described evaporimeter 1 is finned-tube evaporator 1, described condenser 2 is fin tube condenser 2, refrigerant works in the tube side of described finned-tube evaporator 1 and fin tube condenser 2, and compressed air to be dehumidified is with horizontal finned-tube evaporator 1 and the fin tube condenser 2 of plunderring of the form of cross-flow; It is curved that the tube side of described finned-tube evaporator 1 and fin tube condenser 2 presents Curved Continuous, the fin of a plurality of screw-types of the outer setting of described finned-tube evaporator and fin tube condenser, zigzag, folding fan-shaped or show window shape.With the heat exchange efficiency of this Effective Raise evaporimeter 1 and condenser 2, improve the whole efficiency of dehumidifier.
The refrigerant exit of described evaporimeter 1 is connected with heat exchanger, and described heat exchanger is shell-and-tube heat exchanger, double pipe heat exchanger or plate type heat exchanger, with the cold and hot amount of this balance coolant circulating system.
Should be noted that at last; above embodiment is only in order to illustrate the application's technical scheme; but not to the restriction of the application's protection domain; although with reference to preferred embodiment the application has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the application's technical scheme, and not break away from essence and the scope of present techniques scheme.
Claims (9)
1. combined compressed air deep cooling dehumidifier, it is characterized in that: comprise being no less than two evaporimeter, be provided with condenser between two evaporimeters of arbitrary neighborhood, air output along last evaporimeter of compressed air direction of transfer setting is parallel with the frosting device that is no less than two, described frosting device has at least one to be in the frosting state, remainder all is in defrost state, and flowing through wait the compressed air that dehumidifies is staggered evaporimeter and condenser flows to the frosting device that is in the frosting state to last evaporimeter;
Also comprise compressor and fluid reservoir, the output of described compressor is connected with the refrigerant entrance of described condenser, the refrigerant exit of condenser is connected with the input of described fluid reservoir, the output of described fluid reservoir is connected with the refrigerant entrance of evaporimeter through the first throttle valve on the one hand, be connected with the refrigerant entrance of frosting device through the second choke valve on the other hand, the refrigerant exit of described evaporimeter be connected the refrigerant exit of frosting device and be connected with the input of compressor respectively.
2. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1, it is characterized in that: each frosting device is provided with photoelectric detection switch, described photoelectric detection switch detects frost thickness in the frosting device in real time, when frost thickness is closed the compressed air input of frosting device and opened the defrosting operation during greater than preset value.
3. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1, it is characterized in that: the operating temperature of described evaporimeter is 2 ℃～4 ℃, the operating temperature of described frosting device is not less than-25 ℃.
4. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1 is characterized in that: the below of described evaporimeter is provided with drips a dew collector, is provided with drain valve on the described dew collector.
5. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1, it is characterized in that: described evaporimeter is finned-tube evaporator, described condenser is fin tube condenser, refrigerant works in the tube side of described finned-tube evaporator and fin tube condenser, and compressed air to be dehumidified is with horizontal finned-tube evaporator and the fin tube condenser of plunderring of the form of cross-flow.
6. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 5, it is characterized in that: it is curved that the tube side of described finned-tube evaporator and fin tube condenser presents Curved Continuous, the fin of a plurality of screw-types of the outer setting of described finned-tube evaporator and fin tube condenser, zigzag, folding fan-shaped or show window shape.
7. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1, it is characterized in that: described frosting device quantity is two, the output of described the second choke valve is connected with triple valve, and two outputs of described triple valve are connected with the refrigerant entrance of two frosting devices respectively.
8. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 1, it is characterized in that: the refrigerant exit of described evaporimeter is connected with heat exchanger.
9. a kind of combined compressed air deep cooling dehumidifier as claimed in claim 8, it is characterized in that: described heat exchanger is shell-and-tube heat exchanger, double pipe heat exchanger or plate type heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240692.2A CN103316568B (en) | 2013-06-18 | 2013-06-18 | Combined type compressed air cryogenic dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240692.2A CN103316568B (en) | 2013-06-18 | 2013-06-18 | Combined type compressed air cryogenic dehumidifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103316568A true CN103316568A (en) | 2013-09-25 |
| CN103316568B CN103316568B (en) | 2015-07-15 |
Family
ID=49185782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310240692.2A Active CN103316568B (en) | 2013-06-18 | 2013-06-18 | Combined type compressed air cryogenic dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103316568B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515342A (en) * | 2013-09-29 | 2015-04-15 | 无锡市零度冷暖设备安装有限公司 | All-fresh-air frostless low-temperature air cooler |
| CN105890242A (en) * | 2016-05-31 | 2016-08-24 | 合肥美菱股份有限公司 | Device and method for reducing evaporator frosting |
| CN107683068A (en) * | 2017-09-21 | 2018-02-09 | 珠海格力电器股份有限公司 | Radiator and frequency converter with same |
| CN108151169A (en) * | 2017-12-22 | 2018-06-12 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN110388695A (en) * | 2018-04-20 | 2019-10-29 | 蒋伟义 | Has the dehumidification device of temperature control |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5936525A (en) * | 1982-08-24 | 1984-02-28 | Eiichi Uratani | Dehumidifier for large volume compressed air for cold district |
| JP2001241693A (en) * | 2000-02-25 | 2001-09-07 | Daikin Ind Ltd | Air conditioner |
| CN2546788Y (en) * | 2002-04-09 | 2003-04-23 | 陈子钟 | Apparatus for raising dehumidifing efficiency |
| CN101199914A (en) * | 2006-12-13 | 2008-06-18 | 财团法人工业技术研究院 | Compound high pressure air cooling dehumidification system |
| EP1992883A2 (en) * | 2007-05-15 | 2008-11-19 | Ingersoll-Rand Company | Integrated absorption refrigeration and dehumidification system |
| CN201569229U (en) * | 2009-07-08 | 2010-09-01 | 刘新路 | Automatic defrosting refrigerating dehumidifier |
| CN203342632U (en) * | 2013-06-18 | 2013-12-18 | 东莞理工学院 | Combined compressed air cryogenic dehumidifier |
-
2013
- 2013-06-18 CN CN201310240692.2A patent/CN103316568B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5936525A (en) * | 1982-08-24 | 1984-02-28 | Eiichi Uratani | Dehumidifier for large volume compressed air for cold district |
| JP2001241693A (en) * | 2000-02-25 | 2001-09-07 | Daikin Ind Ltd | Air conditioner |
| CN2546788Y (en) * | 2002-04-09 | 2003-04-23 | 陈子钟 | Apparatus for raising dehumidifing efficiency |
| CN101199914A (en) * | 2006-12-13 | 2008-06-18 | 财团法人工业技术研究院 | Compound high pressure air cooling dehumidification system |
| EP1992883A2 (en) * | 2007-05-15 | 2008-11-19 | Ingersoll-Rand Company | Integrated absorption refrigeration and dehumidification system |
| CN201569229U (en) * | 2009-07-08 | 2010-09-01 | 刘新路 | Automatic defrosting refrigerating dehumidifier |
| CN203342632U (en) * | 2013-06-18 | 2013-12-18 | 东莞理工学院 | Combined compressed air cryogenic dehumidifier |
Non-Patent Citations (1)
| Title |
|---|
| 黄剑云等: "冷冻除湿机设计探讨", 《机电工程技术》, vol. 31, no. 7, 31 December 2002 (2002-12-31), pages 66 - 68 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515342A (en) * | 2013-09-29 | 2015-04-15 | 无锡市零度冷暖设备安装有限公司 | All-fresh-air frostless low-temperature air cooler |
| CN104515342B (en) * | 2013-09-29 | 2017-05-24 | 无锡市零度冷暖设备安装有限公司 | All-fresh-air frostless low-temperature air cooler |
| CN105890242A (en) * | 2016-05-31 | 2016-08-24 | 合肥美菱股份有限公司 | Device and method for reducing evaporator frosting |
| CN107683068A (en) * | 2017-09-21 | 2018-02-09 | 珠海格力电器股份有限公司 | Radiator and frequency converter with same |
| CN108151169A (en) * | 2017-12-22 | 2018-06-12 | 广东美的制冷设备有限公司 | Dehumidifier |
| CN110388695A (en) * | 2018-04-20 | 2019-10-29 | 蒋伟义 | Has the dehumidification device of temperature control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103316568B (en) | 2015-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018045697A1 (en) | High-efficient fresh air dehumidifier based on heat pump heat recovery and dual-evaporation temperature | |
| CN204665595U (en) | Tandem heat-recycling air treatment device | |
| CN109539762A (en) | A kind of composition open and close formula circulating heat pump drying system | |
| CN103316568B (en) | Combined type compressed air cryogenic dehumidifier | |
| US20210341171A1 (en) | Energy recovery system and method | |
| CN110486860A (en) | A kind of pre-cooler dehumidifier | |
| CN208595631U (en) | Fresh air dehumidification air conditioning system | |
| CN203342632U (en) | Combined compressed air cryogenic dehumidifier | |
| CN103759468B (en) | A kind of two temperature-heat-source heat pump | |
| CN101398234A (en) | Low-temperature air-cooling heat pump unit | |
| CN102853594A (en) | Refrigeration equipment for air conditioner | |
| CN105180527B (en) | Air conditioner, hot water system and control method | |
| US20040226686A1 (en) | Heat pump and dehumidifying air-conditioning apparatus | |
| CN206113408U (en) | Can change air source heat pump unit of frost | |
| CN107940788A (en) | A kind of dehumidifier suitable for hot environment | |
| US9435551B2 (en) | Dehumidifier dryer using ambient heat enhancement | |
| KR20150114232A (en) | low dew point cool wind dryer | |
| KR20110064870A (en) | Low dew point and low temperature dehumidifier | |
| CN201621785U (en) | Two-stage dehumidifier | |
| CN105928290A (en) | Adsorbing and frost restraining technology based refrigerating system of air-cooled refrigerator | |
| CN102997343A (en) | Solution type constant-temperature dehumidifier and control method thereof | |
| CN204214044U (en) | A kind of indoor apparatus of air conditioner and air-conditioning equipment | |
| CN112197517A (en) | Multi-level cold and hot sharing vacuum freeze-drying system | |
| CN106759656B (en) | kinds of vapor condensation trapping system | |
| KR101996408B1 (en) | Dehumidifier having evaporative cooling function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191225 Address after: 510000 room 801, 8th floor, office building, 116 Yuehua Road, Yuexiu District, Guangzhou City, Guangdong Province Patentee after: Guangdong Xing Xing Petrochemical Design Institute Co., Ltd. Address before: 523808 room 12J308, Dongguan University of Technology, Songshan University Road, 1, Guangdong, Dongguan Patentee before: Dongguan University of technology |
|
| TR01 | Transfer of patent right |