CN201364007Y - Air source high-temperature heat pump dryer - Google Patents

Air source high-temperature heat pump dryer Download PDF

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Publication number
CN201364007Y
CN201364007Y CNU2009200520072U CN200920052007U CN201364007Y CN 201364007 Y CN201364007 Y CN 201364007Y CN U2009200520072 U CNU2009200520072 U CN U2009200520072U CN 200920052007 U CN200920052007 U CN 200920052007U CN 201364007 Y CN201364007 Y CN 201364007Y
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CN
China
Prior art keywords
heat pump
temperature
temperature heat
fin
condenser
Prior art date
Application number
CNU2009200520072U
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Chinese (zh)
Inventor
张加振
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东莞市康源节能科技有限公司
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Priority to CNU2009200520072U priority Critical patent/CN201364007Y/en
Application granted granted Critical
Publication of CN201364007Y publication Critical patent/CN201364007Y/en

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Abstract

The utility model discloses an air source high-temperature heat pump dryer, which comprises a low-temperature heat pump system and a high-temperature heat pump system, wherein the low-temperature heat pump system comprises a low-temperature heat pump compressor, a first gas-liquid separator, a first finned evaporator, a first throttling device and a first finned condenser, which form a circulation loop; the high-temperature heat pump system comprises a high-temperature heat pump compressor, a second gas-liquid separator, a second finned evaporator, a second throttling device and a second finned condenser, which form a circulation loop; the second finned evaporator and the first finned evaporator form a gradually cooling system; the first finned condenser and the second finned condenser form a gradually heating system; wet hot gas from a drying chamber is discharged into the outside air after being gradually cooled through the second finned evaporator and the first finned evaporator; and the outside air enters the drying chamber after being gradually heated through the first finned condenser and the second finned condenser. The utility model can effectively reduce energy consumption and running cost of high-temperature drying.

Description

A kind of air source high-temperature heat pump dryer

Technical field

The utility model relates to a kind of air source high-temperature heat pump dryer.

Background technology

Far below removal moisture drying modes such as fuel heating, electrical heating, therefore in low temperature drying (required baking temperature is lower than 55 ℃ as material), often adopt the heat pump removal moisture drying with its energy consumption of heat pump removal moisture drying.But when material requires the baking temperature height when (as requiring 60~90 ℃ of baking temperatures), common heat pump drying can't be realized; High temperature heat pump often also can't be realized because of lacking high temperature heat source; Carbon dioxide heat-pump can be realized high temperature drying, but because of its cost height, applies difficulty at present; Therefore, in the place that needs the high temperature removal moisture drying, be generally the mode of highly energy-consumings such as fuel heating, electrical heating at present.

The utility model content

At the shortcoming of prior art, the purpose of this utility model provides a kind of air source high-temperature heat pump dryer that reduces the energy consumption and the operating cost of high temperature drying.

For achieving the above object, the technical solution of the utility model is: a kind of air source high-temperature heat pump dryer, it comprises hot pump in low temp system and high temperature heat pump system, this hot pump in low temp system comprises the hot pump in low temp compressor that constitutes a closed circuit, first gas-liquid separator, first evaporator fin, the first throttle device and first fin condenser, this high temperature heat pump system comprises the high temperature heat pump compressor that constitutes a closed circuit, second gas-liquid separator, second evaporator fin, second throttling arrangement and second fin condenser

This second evaporator fin and first evaporator fin constitute cooling system step by step, this first fin condenser and second fin condenser constitute heat temperature raising system step by step, hot and humid gas from hothouse is discharged in the external environment air after the cooling step by step of second evaporator fin and first evaporator fin, enters drying chamber behind the heat temperature raising step by step of external environment air through first fin condenser and second fin condenser.

This hot pump in low temp system also comprises first filter that is connected between the first throttle device and first fin condenser, and this high temperature heat pump system also comprises second filter that is connected between second throttling arrangement and second fin condenser.

This hot pump in low temp system also comprises first reservoir that is connected between first filter and first fin condenser, and this high temperature heat pump system also comprises second reservoir that is connected between second filter and second fin condenser.

In addition, the utility model also provides a kind of air source high-temperature heat pump dryer, and it comprises multistage temperature heat pump, and each grade temperature heat pump comprises heat pump, gas-liquid separator, evaporator fin, throttling arrangement and the fin condenser that constitutes closed circuit,

This evaporator fin constitutes cooling system step by step according to the temperature rank of heat pump, this fin condenser constitutes heat temperature raising system step by step according to the temperature rank of heat pump, after the cooling step by step of cooling system step by step, discharge drying chamber from the hot and humid gas of hothouse, enter hothouse behind the heat temperature raising step by step of external environment air through heat temperature raising system step by step.

Each grade temperature heat pump comprises filter and the reservoir that is connected between throttling arrangement and the fin condenser.

The utility model compared with prior art has following advantage and beneficial effect:

Realize hyperthermia drying with air source high-temperature heat pump, promptly avoided used heat to discharge the thermal pollution that causes, made full use of used heat again, simultaneously because the intrinsic high energy efficiency of heat pump compares characteristics, the hyperthermia drying energy consumption is reduced significantly, with respect to high temperature furnace drying methods such as general fuel heating, electrical heating, the oven dry energy consumption reduces amplitude and can reach more than 60%.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in detail.

Embodiment 1

As shown in Figure 1, a kind of air source high-temperature heat pump dryer, it comprises hot pump in low temp system and high temperature heat pump system, this hot pump in low temp system comprises the hot pump in low temp compressor 11 that constitutes a closed circuit, first gas-liquid separator 17, first evaporator fin 16, the first throttle device 15 and first fin condenser 12, this high temperature heat pump system comprises the high temperature heat pump compressor 21 that constitutes a closed circuit, second gas-liquid separator 27, second evaporator fin 26, second throttling arrangement 25 and second fin condenser 22

This second evaporator fin 26 and first evaporator fin 16 constitute dehumidifying and cooling system step by step, this first fin condenser 12 and second fin condenser 22 constitute heat temperature raising system step by step, hot and humid gas from hothouse is discharged in the external environment air behind the dehumidifying and cooling step by step of second evaporator fin 26 and first evaporator fin 16, enters drying chamber behind the heat temperature raising step by step of external environment air through first fin condenser 12 and second fin condenser 22.

The air source high-temperature heat pump dryer comprises two stage dehumidify cooling system and two-stage heat temperature raising system, and two-stage system adopts different cold-producing mediums to satisfy the corresponding work conditional request respectively.This hot pump in low temp system can adopt common cold-producing medium, and as R22, R407C etc., this high temperature heat pump system adopts high temperature refrigerant.

This hot pump in low temp system also comprises first filter 14 that is connected between the first throttle device 15 and first fin condenser 12, and this high temperature heat pump system also comprises second filter 24 that is connected between second throttling arrangement 25 and second fin condenser 22.

This hot pump in low temp system also comprises first reservoir 13 that is connected between first filter 14 and first fin condenser 12, and this high temperature heat pump system also comprises second reservoir 23 that is connected between second filter 24 and second fin condenser 22.

The condensation of refrigerant temperature of this hot pump in low temp system is 20 ℃~65 ℃, and the condensation of refrigerant temperature of this high temperature heat pump system is 40 ℃~110 ℃.

The method of operation of the utility model air source high-temperature heat pump dryer is as follows:

The external environment air as tentatively being heated through first fin condenser 12 behind 25 ℃ the air access arrangement, as is heated to 55 ℃; Passed through second fin condenser, 22 post bake then by the air after the preliminary heating, as be heated to 90 ℃; Entered drying chamber oven dry material by the high temperature drying air after the post bake.

Air themperature behind the oven dry material reduces, as is reduced to 70 ℃, and discharges drying chamber; The drying chamber exhaust is once lowered the temperature through second evaporator fin 26 earlier, as is reduced to 40 ℃, and then through first evaporator fin, 16 reducing temperature twices, as be reduced to 20 ℃, the drying chamber exhaust device for transferring behind the reducing temperature twice.

Embodiment 2

Present embodiment is to realize low temperature and high temperature two levels of thermal pumping system are expanded to multistage situation on the basis of embodiment 1.Be specially, a kind of air source high-temperature heat pump dryer, it comprises multistage temperature heat pump, each grade temperature heat pump comprises heat pump compressor, gas-liquid separator, evaporator fin, throttling arrangement and the fin condenser that constitutes closed circuit,

This evaporator fin constitutes cooling system step by step according to the temperature rank of heat pump, this fin condenser constitutes heat temperature raising system step by step according to the temperature rank of heat pump, after the cooling step by step of cooling system step by step, discharge drying chamber from the hot and humid gas of hothouse, enter hothouse behind the heat temperature raising step by step of external environment air through heat temperature raising system step by step.

Each grade temperature heat pump comprises filter and the reservoir that is connected between throttling arrangement and the fin condenser.

Claims (5)

1, a kind of air source high-temperature heat pump dryer, it is characterized in that comprising hot pump in low temp system and high temperature heat pump system, this hot pump in low temp system comprises hot pump in low temp compressor, first gas-liquid separator, first evaporator fin, first throttle device and first fin condenser that constitutes a closed circuit, this high temperature heat pump system comprises high temperature heat pump compressor, second gas-liquid separator, second evaporator fin, second throttling arrangement and second fin condenser that constitutes a closed circuit
This second evaporator fin and first evaporator fin constitute cooling system step by step, this first fin condenser and second fin condenser constitute heat temperature raising system step by step, hot and humid gas from hothouse is discharged in the external environment air after the cooling step by step of second evaporator fin and first evaporator fin, enters drying chamber behind the heat temperature raising step by step of external environment air through first fin condenser and second fin condenser.
2, air source high-temperature heat pump dryer according to claim 1, it is characterized in that: this hot pump in low temp system also comprises first filter that is connected between the first throttle device and first fin condenser, and this high temperature heat pump system also comprises second filter that is connected between second throttling arrangement and second fin condenser.
3, air source high-temperature heat pump dryer according to claim 2, it is characterized in that: this hot pump in low temp system also comprises first reservoir that is connected between first filter and first fin condenser, and this high temperature heat pump system also comprises second reservoir that is connected between second filter and second fin condenser.
4, a kind of air source high-temperature heat pump dryer is characterized in that comprising multistage temperature heat pump, and each grade temperature heat pump comprises heat pump compressor, gas-liquid separator, evaporator fin, throttling arrangement and the fin condenser that constitutes closed circuit,
This evaporator fin constitutes cooling system step by step according to the temperature rank of heat pump, this fin condenser constitutes heat temperature raising system step by step according to the temperature rank of heat pump, after the cooling step by step of cooling system step by step, discharge drying chamber from the hot and humid gas of hothouse, enter hothouse behind the heat temperature raising step by step of external environment air through heat temperature raising system step by step.
5, air source high-temperature heat pump dryer according to claim 4 is characterized in that: each grade temperature heat pump comprises filter and the reservoir that is connected between throttling arrangement and the fin condenser.
CNU2009200520072U 2009-03-02 2009-03-02 Air source high-temperature heat pump dryer CN201364007Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2009200520072U CN201364007Y (en) 2009-03-02 2009-03-02 Air source high-temperature heat pump dryer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2009200520072U CN201364007Y (en) 2009-03-02 2009-03-02 Air source high-temperature heat pump dryer

Publications (1)

Publication Number Publication Date
CN201364007Y true CN201364007Y (en) 2009-12-16

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519139A (en) * 2012-01-14 2012-06-27 湖南省浏阳市择明热工器材有限公司 Air source heat pump system for providing direct high temperature air
CN103017503A (en) * 2012-12-28 2013-04-03 广州德能热源设备有限公司 Split type heat pump drying machine set
CN103307866A (en) * 2013-06-05 2013-09-18 广州德能热源设备有限公司 High-temperature heat pump drying unit for heat recovery and automatic dehumidification
CN104236287A (en) * 2014-10-15 2014-12-24 广州德能热源设备有限公司 Special heat pump drying unit for northern area in China
CN105004149A (en) * 2015-06-24 2015-10-28 农业部规划设计研究院 Intermittent cooling heat pump drying device and method
CN105671904A (en) * 2014-12-08 2016-06-15 Lg电子株式会社 Condensing type clothes dryer and controling method for same
WO2017036280A1 (en) * 2015-08-31 2017-03-09 青岛海尔滚筒洗衣机有限公司 Vented heat pump dryer
CN107642925A (en) * 2016-12-27 2018-01-30 中国科学院理化技术研究所 A kind of multi-stage heat pump desiccant dehumidification system with bypass line
CN110068219A (en) * 2019-03-15 2019-07-30 南京航空航天大学 Analysis of Heat Pump Drying System and its working method with heat-storing device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102519139A (en) * 2012-01-14 2012-06-27 湖南省浏阳市择明热工器材有限公司 Air source heat pump system for providing direct high temperature air
CN102519139B (en) * 2012-01-14 2014-11-19 湖南省浏阳市择明热工器材有限公司 Air source heat pump system for providing direct high temperature air
CN103017503A (en) * 2012-12-28 2013-04-03 广州德能热源设备有限公司 Split type heat pump drying machine set
CN103307866A (en) * 2013-06-05 2013-09-18 广州德能热源设备有限公司 High-temperature heat pump drying unit for heat recovery and automatic dehumidification
CN104236287A (en) * 2014-10-15 2014-12-24 广州德能热源设备有限公司 Special heat pump drying unit for northern area in China
CN105671904A (en) * 2014-12-08 2016-06-15 Lg电子株式会社 Condensing type clothes dryer and controling method for same
CN105004149A (en) * 2015-06-24 2015-10-28 农业部规划设计研究院 Intermittent cooling heat pump drying device and method
WO2017036280A1 (en) * 2015-08-31 2017-03-09 青岛海尔滚筒洗衣机有限公司 Vented heat pump dryer
US10662573B2 (en) 2015-08-31 2020-05-26 Qingdao Haier Drum Washing Machine Co., Ltd. Vented heat pump dryer
CN107642925A (en) * 2016-12-27 2018-01-30 中国科学院理化技术研究所 A kind of multi-stage heat pump desiccant dehumidification system with bypass line
CN107642925B (en) * 2016-12-27 2019-12-17 中国科学院理化技术研究所 Multistage heat pump drying and dehumidifying system with bypass pipeline
CN110068219A (en) * 2019-03-15 2019-07-30 南京航空航天大学 Analysis of Heat Pump Drying System and its working method with heat-storing device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091216

Termination date: 20140302