CN103727768B - A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system - Google Patents
A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system Download PDFInfo
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- CN103727768B CN103727768B CN201210392262.8A CN201210392262A CN103727768B CN 103727768 B CN103727768 B CN 103727768B CN 201210392262 A CN201210392262 A CN 201210392262A CN 103727768 B CN103727768 B CN 103727768B
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Abstract
The present invention relates to a kind of drying room, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system is specifically provided. Its structure comprises the drying room of heat insulating construction, drying room top is communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank, on described drying room sidewall, be provided with circulating fan, in the air channel that described circulating fan is communicated with, be provided with heat(ing) coil, connection fresh flue, described air channel. Compared with prior art, it has feature reasonable in design, simple in structure, energy-efficient, wide application.
Description
Technical field
The present invention relates to a kind of drying room, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room is specifically providedSystem.
Background technology
Current heat-pump-type heated-air drying drying room, adopts single working medium heating power system, is confined to condition rangeDrying process make. Again because the working medium in its regenerator can only be transported in certain specific volume and temperature rangeOK, make current heat pump drying room be difficult to meet the target temperature of stoving process, especially when clammy weather environmentMore outstanding. The above is the greatest weakness of current heat pump drying room, seriously restricts its widespread popularity.
Summary of the invention
The present invention be directed to above problem, provide a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room to beSystem, it uses heat accumulating type to cover the mechanism of overlapping heat pump operation, the Hot wet air heating of discharge is done to the dehydration of secondary backheat and followRing utilizes.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system, comprises the drying room of heat insulating construction, described inDrying room top is communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank, on described drying room sidewall, establishesBe equipped with circulating fan, in the air channel that described circulating fan is communicated with, be provided with heat(ing) coil, described air channel connects newAir channel.
Heat accumulating type overlapping heat pump mechanism comprises the middle temperature system evaporator that is arranged at drying room top, and described middle temperature isSystem evaporimeter inside arranges high-temperature systems evaporimeter B, described middle temperature system evaporator outer setting wet-emitting blower,During described middle temperature system evaporator connects by pipeline respectively in the warm water pot A of warm system compresses machine and insulationCompound type heat exchanger, the combined type heat that middle temperature system compresses machine connects in the warm water pot A of insulation by pipeline is handed overParallel operation; Described high-temperature systems evaporimeter B connects high-temperature systems compressor B by pipeline respectively and insulation is warmWater pot B, is provided with high-temperature systems condenser A and high-temperature systems condenser B in the warm water pot B of described insulation,Described high-temperature systems condenser B connects high-temperature systems compressor B by pipeline, and high-temperature systems condenser A is logicalCross pipeline and connect high-temperature systems compressor A, described in described high-temperature systems compressor A also connects by pipelineCompound type heat exchanger.
In fresh flue, be provided with miter gate, new wind Electric air valve and rodent-proof mesh.
Mixing air guide tank top arranges rodent-proof mesh, and bottom is provided with hydrofuge Electric air valve.
A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention, comprising: heat accumulating typeCover overlapping heat pump device and secondary backheat dehydration drying room. By its high temperature refrigerant heating power system and middle temperature working medium heating power systemDivide A, the B that other liquid, steam pipe connection heat accumulating type cover overlapping heat pump device to be incubated condenser and the secondary in water vatThe evaporator on backheat dehydration drying room top.
Heat accumulating type covers overlapping heat pump and comprises warm power system and two groups of high temperature heating power systems in one group.
In warm power be that tube-in-tube condenser is arranged in middle warm water cylinder, with the bundle of one group of high temperature heating power system whereinTubular evaparator installing is the laminating heat exchanger of immersion type.
The condenser of two groups of high temperature heating power systems is arranged in high temperature water vat B, installs as immersion type combination heat exchangeDevice.
In warm power system be arranged on secondary backheat dehydration drying room top, installing with the evaporimeter of one group of high temperature heating power systemFor the heat exchange dehydrating unit of secondary backheat dehydration.
Secondary backheat dehydration drying room, comprises adiabatic room body and two groups of finned heat exchangers, and two groups of automatic switchovers turnTo circulating fan and the automatic hydrofuge air grid with control valve and the new air grid assembly of auto-steering.
A water vat is provided with middle Warm water circulation water pump, during its delivery port connects warm power be tube-in-tube condenser inCore barrel entrance, its outlet is sprayed in A water vat.
Heat accumulating type covers overlapping heat pump secondary backheat dehydration drying room, and B water vat is provided with high-temperature water water circulating pump, and water pump goes outIt is tube-in-tube condenser central tube entrance that two groups of high temperature heating power are accessed at the mouth of a river, and outlet is sprayed in B water vat.
Described heat accumulating type covers overlapping heat pump secondary backheat dehydration drying room, between B water vat and drying room heat exchanger, establishesBe equipped with high temperature circulation water pump.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts heat accumulating type to cover folded heatExchange. Working medium in sleeve pipe interlayer flow, inside and outside it all with WATER AS FLOW MEDIUM heat exchange, effectively improved heat exchangeEfficiency.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts heat accumulating type to cover folded heatExchange, water pump is only done the WATER AS FLOW MEDIUM circulation in sleeve pipe and cylinder, than the conveying merit of current heat pump drying room significantlyDecline.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts medium and high temperature hot working fluidThe used heat heat exchange respectively that the evaporimeter of power system is discharged drying room, follows the full recuperation of heat of convection current of stoving process againRing utilizes.
The heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention adopts high temperature refrigerant heating powerBeing evaporimeter discharges Hot wet air heating and does first order dehydration drying, then is that evaporimeter does the by middle temperature working medium heating powerThe air loopback of secondary dehydration, to drying room, improves the dehumidifier ability of drying room.
The beneficial effect of the heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention is:
1, medium heat coolant-temperature gage is higher, can be up to 90 DEG C.
The convection heat classification of 2, drying is reclaimed, and device security is reliable.
The convection heat recycle and reuse of 3, drying, energy-conservation index is high.
4, drying room air intake is through secondary dehumidifier processing, and drying effect is good.
5, can utilize night paddy electricity price to prepare hot water, economic performance is good.
6, Whole Equipment is in plant produced, and quality control is easier to realize.
Compared with prior art, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room of the technology of the present invention isSystem, wherein the condenser of warm working medium heating power system and high temperature refrigerant heating power system and evaporimeter are respectively with the form of sleeve pipeBe immersed in A, B water vat and cover folded heat exchange operation, make medium hot water enter drying room up to 90 DEG C,To heating material processing time, the used heat humid air of discharge is done to dehydration and the recuperation of heat processing of secondary, heatReclaim through heat pump recirculation use, after dehydration, air loopback is used to drying room air intake, comparable current heat pump drying roomEnergy Efficiency Ratio improves approximately 40%.
Brief description of the drawings
Fig. 1 is a kind of structure principle chart of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system.
In figure: 1, middle temperature system 1 compressor; 2, high-temperature systems 2 compressors; 3, high-temperature systems 3 is pressedContracting machine; 4, combined type is changed interchanger; 5, high-temperature systems 2 condensers; 6, high-temperature systems 3 condensers; 7,High-temperature systems 2 expansion valves; 8, middle temperature system 1 expansion valve; 9, high-temperature systems 3 expansion valves; 10, warm waterCirculating pump; 11, hot water circulating pump A; 12, hot water circulating pump B; 13-1,13-2, middle temperature system 1 are steamedHair device; 14-1,14-2, high-temperature systems 3 evaporimeters; 15-1,15-2, wet-emitting blower; 16-1,16-2,Heat(ing) coil; 17-1,17-2, circulating fan; 18, heat insulating construction drying room; 19, the warm water pot A of insulation;20, the warm water pot B of insulation; 21-1,21-2, miter gate; 22, hydrofuge Electric air valve; 23-1,23-2,New wind Electric air valve; 24-1,24-2,24-3; Rodent-proof mesh; 25, mixing air guide tank.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of heat accumulating type overlapping heat pump secondary of the technology of the present invention is returnedHeat dehydration drying room system is further described.
As shown in Figure 1, a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system of the technology of the present invention,Comprise the drying room 18 of heat insulating construction, described drying room 18 tops are communicated with accumulation of heat by mixing air guide tank 25Formula overlapping heat pump mechanism, is provided with circulating fan 17-1 and 17-2, described circulation on described drying room 18 sidewallsIn the air channel that blower fan 16-1 and 16-2 are communicated with, be provided with heat(ing) coil 16-1 and 16-2, described air channel connectsFresh flue.
Heat accumulating type overlapping heat pump mechanism comprise be arranged at drying room 18 tops middle temperature system 1 evaporimeter (13-1,13-2) with high-temperature systems 3 evaporimeters (14-1,14-2), described middle temperature system 1 evaporimeter (13-1,13-2) high-temperature systems 3 evaporimeters (14-1,14-2) outer setting wet-emitting blowers (15-1,15-2),Described middle temperature system 1 is connected 1 heating power system and 3 heating power system by pipeline respectively with high-temperature systems 3 evaporimeters.The condenser of middle temperature 1 heating power system and the evaporimeter institute combination of high temperature 2 heating power systems are set in the warm water pot A of insulationCompound type heat exchanger, connects 1,2 heating power systems by pipeline respectively.
In fresh flue, be provided with miter gate (23-1,23-2), new wind Electric air valve (21-1 and 21-2) andRodent-proof mesh (24-1 and 24-2).
Mixing air guide tank 25 tops arrange rodent-proof mesh 24-3, and bottom is provided with hydrofuge Electric air valve 22.
As Fig. 1: a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system works mistake of the technology of the present inventionJourney is as follows:
Click " system operation " → warm start → compressor of water-circulating pump 10 1 starts, in the throwing of warm power systemEnter operation. The water temperature of the warm water pot A19 of insulation rises, when water temperature rises to 40 DEG C, and 11 of hot-water circulating pumpsMoving → compressor 2 starts, and covering folded heating power is to put into operation. The water temperature of the warm water pot B20 of insulation rises, and works as waterTemperature rise during to setting hot-water circulating pump 12 start, the heat(ing) coil 16-1 of drying room, 16-2 surface temperatureCirculating fan 17-1 while rising to setting, that 17-2 starting → drying room temperature rises to setting hydrofuge is electronicOpen → mixing air of air-valve 22 guide tank 25 air themperatures are during higher than 45 DEG C, and compressor 3 starts, heightWarm power is to put (otherwise stopping) → mixing air guide tank 25 air themperatures into operation lower than 45 DEG C of compressionsMachine 1 start the warm water pot A19 water temperature of (otherwise stopping) → insulation higher than 40 DEG C of compressors 2 start (otherwiseStop).
Two groups of circulating fans turn to once for every 30 minutes, and air skims over heat exchanger fin and heats up, then skims over thingMaterial has improved the temperature of material, and in material, moisture content is wet gradient and separates out the surface hot blast that is dried and take away, and heat is wet emptyAir mass amasss at drying room top, and under the pressure of drying room and the driving of wet-emitting blower 15, Hot wet air heating drains into mixedClosing and entering high temperature heating power after air conducting case 25 mixes with atmosphere is that evaporimeter 14-1,14-2 do once heat friendshipChange and processed, during the mixing air after single treatment enters, warm power is evaporimeter 13-1,13-2,Do secondary heat exchange and second dehydration processing. Air after second heat exchange and second dehydration enters new wind-powered electricity generationMoving valve is sent drying room back to, realizes the energy-saving run that recycles of the secondary recuperation of heat of hydrofuge air and secondary dehydration.
Above-described embodiment, the just more preferably one of detailed description of the invention of the technology of the present invention, abilityThe common variation that the technical staff in territory carries out within the scope of the technology of the present invention technical scheme and replacement all should compriseIn the protection domain of the technology of the present invention.
Claims (3)
1. a heat accumulating type overlapping heat pump secondary backheat dehydration drying room system, comprises the drying room of heat insulating construction,It is characterized in that, described drying room top is communicated with heat accumulating type overlapping heat pump mechanism by mixing air guide tank,On described drying room sidewall, be provided with circulating fan, in the air channel that described circulating fan is communicated with, be provided with heating platePipe, connection fresh flue, described air channel; Described heat accumulating type overlapping heat pump mechanism comprises and is arranged at drying room topMiddle temperature system evaporator, described middle temperature system evaporator inside arranges high-temperature systems evaporimeter B, described middle temperatureSystem evaporator outer setting wet-emitting blower, temperature during described middle temperature system evaporator connects by pipeline respectivelyCompound type heat exchanger in the warm water pot A of system compresses machine and insulation, middle temperature system compresses machine connects by pipelineConnect the compound type heat exchanger in the warm water pot A of insulation; Described high-temperature systems evaporimeter B passes through respectively pipelineConnect the warm water pot B of high-temperature systems compressor B and insulation, in the warm water pot B of described insulation, be provided with high-temperature systemsCondenser A and high-temperature systems condenser B, described high-temperature systems condenser B connects high-temperature systems by pipelineCompressor B, high-temperature systems condenser A connects high-temperature systems compressor A by pipeline, described high temperature systemSystem compressor A also connects described compound type heat exchanger by pipeline.
2. a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system according to claim 1,It is characterized in that, in described fresh flue, be provided with miter gate, new wind Electric air valve and rodent-proof mesh.
3. a kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system according to claim 1,It is characterized in that, described mixing air guide tank top arranges rodent-proof mesh, and bottom is provided with hydrofuge Electric air valve.
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| CN201210392262.8A CN103727768B (en) | 2012-10-16 | 2012-10-16 | A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system |
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| CN201210392262.8A CN103727768B (en) | 2012-10-16 | 2012-10-16 | A kind of heat accumulating type overlapping heat pump secondary backheat dehydration drying room system |
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| CN103727768A CN103727768A (en) | 2014-04-16 |
| CN103727768B true CN103727768B (en) | 2016-05-18 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105091532B (en) * | 2015-09-30 | 2017-07-25 | 湖南三德科技股份有限公司 | A kind of ATE drying box |
| CN106705590B (en) * | 2016-12-13 | 2022-12-02 | 河南佰衡节能科技股份有限公司 | Heat pump type water heating drying system |
| CN109827418A (en) * | 2019-01-24 | 2019-05-31 | 佛山市南海翔瀚制冷设备有限公司 | A kind of high temperature overlapping dryer |
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| US5901566A (en) * | 1997-11-20 | 1999-05-11 | Consolidated Technology Corp. | Heat pump |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101216245A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Heat pump drier |
| CN101796361A (en) * | 2007-07-17 | 2010-08-04 | 帕内·孔迪奇 | Energy system for drying moist products |
| CN202371981U (en) * | 2011-11-07 | 2012-08-08 | 胡立 | Drying and dewatering device employing air-source heat pump |
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2012
- 2012-10-16 CN CN201210392262.8A patent/CN103727768B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5901566A (en) * | 1997-11-20 | 1999-05-11 | Consolidated Technology Corp. | Heat pump |
| CN101796361A (en) * | 2007-07-17 | 2010-08-04 | 帕内·孔迪奇 | Energy system for drying moist products |
| CN101158507A (en) * | 2007-10-26 | 2008-04-09 | 华南理工大学 | Multiplex thermal storage type air source heat pump water heater |
| CN101216245A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Heat pump drier |
| CN202371981U (en) * | 2011-11-07 | 2012-08-08 | 胡立 | Drying and dewatering device employing air-source heat pump |
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