CN103908874B - Steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification - Google Patents
Steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification Download PDFInfo
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- CN103908874B CN103908874B CN201310007436.9A CN201310007436A CN103908874B CN 103908874 B CN103908874 B CN 103908874B CN 201310007436 A CN201310007436 A CN 201310007436A CN 103908874 B CN103908874 B CN 103908874B
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Abstract
The present invention relates to steam compression heat pump and couple operation drying machine with rotary adsorptive dehumidification, its structure includes a refrigeration system being connected by pipeline and an adsorption and dehumidification runner system, refrigeration system by refrigeration compressor, gas-gas heat exchanger, phase-change heat-exchanger, cross cold heat exchanger, closed-loop path that refrigeration expansion valve and refrigerating evaporator form, dehumidification system for runner includes having renewing zone and the runner for the treatment of region, process blower fan, regeneration blower fan and the motor driving runner to rotate.Condenser in inventive refrigeration system is divided into three parts, it is respectively gas-gas heat exchanger, phase-change heat-exchanger and crosses cold heat exchanger, the present invention is supercool is dependent on big air cooling, owing to atmospheric temperature is lower than the temperature of outlet of rotary wheel air, so, after refrigerant condenser is become three parts, it is effective that cold-producing medium cools down.During rotary wheel regeneration, temperature is the highest, and regeneration effect is the best, after regeneration air advanced with cold heat exchanger preheating, regeneration air can be made to obtain the temperature more increased.
Description
Technical field
The present invention relates to air dry-set, specifically steam compression heat pump couples with rotary adsorptive dehumidification to run and is dried
Machine.
Background technology
Steam compression heat pump is frequently utilized for being dried of material, and such as, steam compression heat pump drying machine the most extensively should
It is dried for the drying of wood, food drying and paper, and common direct drying mode compares, steam compression heat pump
The advantage that drying machine possesses energy-conservation more than 50%.
The operation principle of steam compression heat pump drying machine is, the air being dried space is flow through steam compression heat pump
Vaporizer, make the condensate moisture in air, the condenser that then dewatered air flows through steam compression heat pump make
Send back to after air is heated and deposit the space needing dried material.
Steam compression heat pump drying machine is to make air cool down except the principle of water, and evaporating temperature is the lowest, processes through heat pump
After air in water content the lowest, thus, the energy resource consumption of heat pump is the highest.
Summary of the invention
Present invention aims to the problem and shortage of above-mentioned existence, it is provided that a kind of refrigeration system and adsorption and dehumidification turn
Wheel system combination operation, the energy that adsorption and dehumidification rotary wheel regeneration needs obtains from the condenser of refrigeration system, and can obtain low
The steam compression heat pump of the dry air of dew point couples operation drying machine with rotary adsorptive dehumidification.
The above-mentioned purpose of the present invention is to be achieved by the following technical programs:
Steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification, including the refrigeration connected by pipeline
System and an adsorption and dehumidification runner system.
Refrigeration system be by refrigeration compressor, gas-to-gas heat exchanger, phase-change heat-exchanger, cross cold heat exchanger, refrigeration expansion valve and
The closed-loop path of refrigerating evaporator composition, first passes through gas-to-gas heat exchanger from refrigeration compressor cold-producing medium out, then passes through phase transformation
Heat exchanger, then by crossing cold heat exchanger, refrigeration expansion valve, refrigerating evaporator, finally flows back to refrigeration compressor, gas-gas heat exchange
Device is responsible for that from superheat state, cold-producing medium is cooled to cold-producing medium saturation, phase-change heat-exchanger is responsible for cold for the cold-producing medium gaseous state
Cold-producing medium, cold heat exchanger excessively under liquid of congealing into are responsible for being cooled to the cold-producing medium of saturation the cold-producing medium of supercooled state.
Dehumidification system for runner includes having renewing zone and the runner for the treatment of region, process blower fan, regeneration blower fan and drive runner
The motor rotated, the air a being in dried material space is sequentially lowered the temperature through refrigerating evaporator by pipeline, again passes through at runner
Reason district, then passes through phase-change heat-exchanger and processes blower fan, finally flowing back to dried material space, and air c is sequentially passed through by pipeline
Cold heat exchanger, gas-to-gas heat exchanger, rotary wheel regeneration district and regeneration blower fan, arrange again to air.
Further, refrigeration system is two sets, and A level refrigeration system is by A level refrigeration compressor, A level gas-to-gas heat exchanger, A
Level phase-change heat-exchanger, A level cross cold heat exchanger, A level refrigeration expansion valve and A level refrigerating evaporator composition, and B level refrigeration system is by B
Level refrigeration compressor, the preposition refrigerant condenser of B level, the rearmounted refrigerant condenser of B level, B level refrigeration expansion valve and refrigerating evaporator group
Becoming, the condenser in A level refrigeration system includes three parts, respectively A level gas-to-gas heat exchanger, A level phase-change heat-exchanger, A level mistake
Cold heat exchanger；Condenser in B level refrigeration system includes two parts, the preposition refrigerant condenser of respectively B level, the rearmounted refrigeration of B level
Condenser.
It is cooled to the saturation of gaseous state from the superheat state of gaseous state by the cold-producing medium of the preposition refrigerant condenser of B level, with
Time, there is also the situation that cold-producing medium condenses in the saturated condition, by the cold-producing medium of the rearmounted refrigerant condenser of B level in saturation
, there is liquid refrigerant simultaneously and be cooled to the situation of supercooled state from saturation in lower condensation.A level refrigeration system is freezed with B level
System can independently realize start and shutdown when complete equipment runs, and the cold-producing medium model of two refrigeration systems is identical or not
With.
The air a being in dried material space passes through pipeline sequentially through A level refrigerating evaporator, B level refrigerating evaporator, turns
Wheel treatment region, the rearmounted refrigerant condenser of B level, A level phase-change heat-exchanger and process blower fan, then flow back to dried material space, air c leads to
Piping sequentially crosses cold heat exchanger, A level gas-to-gas heat exchanger, the preposition refrigerant condenser of B level, rotary wheel regeneration district and regeneration wind through A level
Machine, arranges again to air.
Inventive refrigeration system and adsorption and dehumidification runner system combination operation, adsorption and dehumidification rotary wheel regeneration need the energy from
Obtaining in the condenser of refrigeration system, and common steam compression heat pump drying machine compares, the present invention can obtain low dew point
The dry air of temperature；Condenser in inventive refrigeration system is divided into three parts, respectively gas-to-gas heat exchanger, phase-change heat-exchange
Device and cold heat exchanger excessively, from the angle of efficiency of refrigerator with refrigerating capacity, in condenser, the temperature after cold-producing medium cooling is the lowest
Refrigerating capacity is the biggest, and originally in flow process, cold-producing medium relies on from runner air cooling out, supercool in the present invention is dependent on air
Cooling, owing to atmospheric temperature is typically low than the temperature of outlet of rotary wheel air, so, after refrigerant condenser is become three parts, system
It is effective that cryogen cools down.During rotary wheel regeneration, temperature is the highest, and regeneration effect is the best, during refrigeration system work, in condensation heat
Cold-producing medium just temperature height from refrigeration compressor is discharged when, cold-producing medium discharged when superheat state is cooled to saturation
Heat belongs to heat of high temperature, but the proportion that this partial heat is in total condensation heat only has about 15%.In the present invention, regeneration sky
After gas advanced with cold heat exchanger preheating, regeneration air can be made to obtain the temperature more increased.
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is the another kind of structural representation of the present invention.
[primary clustering symbol description]
1-processes blower fan, 2-A level gas-to-gas heat exchanger, 3-A level phase-change heat-exchanger,
4-A level crosses cold heat exchanger, 5-A level refrigeration compressor, 6-A level refrigeration expansion valve,
7-A level refrigerating evaporator, 9-rotary wheel regeneration district, 10-runner treatment region,
11-motor, 12-regenerates blower fan, the preposition refrigerant condenser of 13-B level,
The rearmounted refrigerant condenser of 14-B level, 15-B level refrigeration compressor, 16-B level refrigerating evaporator
17-B level refrigeration expansion valve.
Detailed description of the invention
Operation drying machine is coupled with rotary adsorptive dehumidification, including passing through as it is shown in figure 1, the present invention is steam compression heat pump
One refrigeration system of pipeline connection and an adsorption and dehumidification runner system.
Refrigeration system is by refrigeration compressor 5, gas-to-gas heat exchanger 2, phase-change heat-exchanger 3, crosses cold heat exchanger 4, refrigerant-expansion
Valve 6 and the closed-loop path of refrigerating evaporator 7 composition, first pass through gas-to-gas heat exchanger 2 from refrigeration compressor 5 cold-producing medium out, then
By phase-change heat-exchanger 3, then by crossing cold heat exchanger 4, refrigeration expansion valve 6, refrigerating evaporator 7, finally flow back to refrigerant compression
Machine 5, gas-to-gas heat exchanger 2 is responsible for that from superheat state, cold-producing medium is cooled to cold-producing medium saturation, phase-change heat-exchanger 3 is responsible for will
Cold-producing medium under gaseous state is condensed into the cold-producing medium under liquid, excessively cold heat exchanger 4 to be responsible for being cooled to the cold-producing medium of saturation
The cold-producing medium of cold state.
Dehumidification system for runner includes having renewing zone 9 and the runner for the treatment of region 10, process blower fan 1, regeneration blower fan 12 and band
The motor 11 that dynamic runner rotates, the air a being in dried material space is sequentially lowered the temperature through refrigerating evaporator 7 by pipeline, then
Flow through runner treatment region 10, then pass through phase-change heat-exchanger 3, process blower fan 1, flow back to dried material space finally by b point, greatly
Gas c by pipeline sequentially through cold heat exchanger 4, gas-to-gas heat exchanger 2, rotary wheel regeneration district 9 and regeneration blower fan 12, by d point arrange to
Air.
As in figure 2 it is shown, refrigeration system is two sets, A level refrigeration system is by A level refrigeration compressor 5, A level gas-to-gas heat exchanger
2, A level phase-change heat-exchanger 3, A level crosses cold heat exchanger 4, A level refrigeration expansion valve 6 and A level refrigerating evaporator 7 forms, B level refrigeration system
System is by B level refrigeration compressor 15, the preposition refrigerant condenser of B level 13, the rearmounted refrigerant condenser of B level 14, B level refrigeration expansion valve 17
Form with refrigerating evaporator 16, be cooled to gaseous state by the cold-producing medium of the preposition refrigerant condenser of B level 13 from the superheat state of gaseous state
Saturation, meanwhile, there is also the situation that cold-producing medium condenses in the saturated condition, by the rearmounted refrigerant condenser of B level 14
Cold-producing medium condenses in the saturated condition, there is liquid refrigerant simultaneously and is cooled to the situation of supercooled state from saturation.
The air a being in dried material space passes through pipeline sequentially through A level refrigerating evaporator 7, B level refrigerating evaporator
16, runner treatment region 10, the rearmounted refrigerant condenser of B level 14, A level phase-change heat-exchanger 3 and process blower fan 1, flow back to finally by b point
Dried material space, air c sequentially crosses cold heat exchanger 4 through A level by pipeline, and A level gas-to-gas heat exchanger 2, the preposition refrigeration of B level is cold
Condenser 13, rotary wheel regeneration district 9 and regeneration blower fan 12, arranged to air by d point.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not by above-described embodiment
Limit, the change made under other any spirit without departing from the present invention and principle, modify, substitute, combine, simplify,
All should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (3)
1. steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification, it is characterised in that: include being connected by pipeline
An A level refrigeration system and an adsorption and dehumidification runner system, described A level refrigeration system is by A level refrigeration compressor (5), A
Level gas-to-gas heat exchanger (2), A level phase-change heat-exchanger (3), A level cross cold heat exchanger (4), A level refrigeration expansion valve (6) and A level refrigeration
The closed-loop path that vaporizer (7) forms, first passes through A level gas-to-gas heat exchanger from A level refrigeration compressor (5) cold-producing medium out
(2), then by A level phase-change heat-exchanger (3), then cold heat exchanger (4), A level refrigeration expansion valve (6), A level refrigeration are crossed by A level
Vaporizer (7), finally flows back to A level refrigeration compressor (5), A level gas-to-gas heat exchanger (2) and is responsible for cold-producing medium is cold from superheat state
But arrive cold-producing medium saturation, A level phase-change heat-exchanger (3) is responsible for the cold-producing medium under gaseous state is condensed into the cold-producing medium under liquid, A
Level is crossed cold heat exchanger (4) and is responsible for being cooled to the cold-producing medium of saturation the cold-producing medium of supercooled state, and dehumidification system for runner includes
There is renewing zone (9) and the runner for the treatment of region (10), process blower fan (1), regeneration blower fan (12) and the motor driving runner to rotate
(11), the air a being in dried material space is sequentially lowered the temperature through refrigerating evaporator (7) by pipeline, again passes through runner and processes
District (10), then passes through A level phase-change heat-exchanger (3) and processes blower fan (1), finally flowing back to dried material space, and air c is by pipe
Road sequentially through A level cold heat exchanger (4), A level gas-to-gas heat exchanger (2), rotary wheel regeneration district (9) and regeneration blower fan (12), is arranged again
To air.
Drying machine the most according to claim 1, it is characterised in that: also include that B level refrigeration system, B level refrigeration system are
By B level refrigeration compressor (15), the preposition refrigerant condenser of B level (13), the rearmounted refrigerant condenser of B level (14), B level refrigeration expansion valve
(17) form with refrigerating evaporator (16), cold from the superheat state of gaseous state by the cold-producing medium of the preposition refrigerant condenser of B level (13)
But arrive the saturation of gaseous state, meanwhile, there is also the situation that cold-producing medium condenses in the saturated condition, cold by the rearmounted refrigeration of B level
The cold-producing medium of condenser (14) condenses in the saturated condition, there is liquid refrigerant simultaneously and is cooled to supercooled state from saturation
Situation, be in the air a in dried material space further also by pipeline sequentially through A level refrigerating evaporator (7), B level is freezed
Vaporizer (16), runner treatment region (10), the rearmounted refrigerant condenser of B level (14), A level phase-change heat-exchanger (3) and process blower fan
(1), then flowing back to dried material space, air c sequentially crosses cold heat exchanger (4) through A level also by pipeline further, and A level gas-gas is changed
Hot device (2), the preposition refrigerant condenser of B level (13), rotary wheel regeneration district (9) and regeneration blower fan (12), arrange again to air.
Drying machine the most according to claim 2, it is characterised in that: described A level refrigeration system is independent with B level refrigeration system
Operation or together operation, the cold-producing medium model of two refrigeration systems is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007436.9A CN103908874B (en) | 2013-01-09 | 2013-01-09 | Steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007436.9A CN103908874B (en) | 2013-01-09 | 2013-01-09 | Steam compression heat pump couples operation drying machine with rotary adsorptive dehumidification |
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| Publication Number | Publication Date |
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| CN103908874A CN103908874A (en) | 2014-07-09 |
| CN103908874B true CN103908874B (en) | 2016-08-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110925902B (en) * | 2019-11-22 | 2021-02-19 | 珠海格力电器股份有限公司 | Low dew point composite dehumidifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102716644A (en) * | 2012-06-20 | 2012-10-10 | 马军 | Vapor compression type heat pump and rotary wheel adsorptive dehumidification coupled operation dryer |
| CN203196515U (en) * | 2013-01-09 | 2013-09-18 | 马军 | Steam compression type heat pump and runner adsorption and dehumidification coupled drying machine |
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