CN103070656B - Dish washing machine based on heating and drying of heat pump - Google Patents

Dish washing machine based on heating and drying of heat pump Download PDF

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Publication number
CN103070656B
CN103070656B CN201310023857.0A CN201310023857A CN103070656B CN 103070656 B CN103070656 B CN 103070656B CN 201310023857 A CN201310023857 A CN 201310023857A CN 103070656 B CN103070656 B CN 103070656B
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China
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drying
heating
washing machine
entrance
heat pump
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CN201310023857.0A
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Chinese (zh)
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CN103070656A (en
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林贤华
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林贤华
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    • Y02B30/72

Abstract

The invention relates to a dish washing machine based on heating and drying of a heat pump. The dish washing machine is composed of a compressor, a condenser, a drying evaporator, a heating evaporator, a first-stage electronic expansion valve, a second-stage electronic expansion valve, a flash-evaporation electronic expansion valve, a steam-liquid separator, a flash-evaporation intercooler, a turbocharger, a drying fan, a heating fan, a defrosting electric valve, a drying filer mesh and a heating filter mesh. When the dish washing machine is used for washing dishes, a heating system of the heat pump is used to heat cleaning solution, a drying system of the heat pump is used for drying dishware during drying, and the dish washing machine based on the heating and drying of the heat pump can be started and operate normally and has good heating and drying effects under an ultrahigh-temperature work condition in summer and an ultralow-temperature work condition in winter. The dish washing machine based on the heating and drying of heat pump disclosed by the invention is low in equipment investment and environment pollution and reduced in energy consumption, and is favorable for improving the energy efficiency ratio of a system and reducing operation cost.

Description

Heat pump, oven dry dish-washing machine

One, technical field

The present invention relates to a kind of dish-washing machine particularly a kind of with the dish-washing machine of heat pump cleaning solution, heat pump drying tableware, belong to heat pump dish-washing machine field.

Two, background technology

At present, dish-washing machine heated scrub and tableware drying be electricity consumption heat pipes heat cleaning solution all, use electrothermal tube residual heat drying, consumed power is large, dries thorough, so it is few to need to develop a kind of equipment investment, reduce energy resource consumption, of low pollution environment, improves the Energy Efficiency Ratio of system, reduces operating cost heat pump, dries dish-washing machine.

Three, summary of the invention

The present invention is a kind of heat pump, dries dish-washing machine, has heat pump cleaning solution, heat pump drying tableware dish-washing machine.

The present invention is formed like this: a kind of heat pump, dry dish-washing machine, by compressor, condenser, drying evaporator, heating fumigators, one secondary electrons expansion valve, shwoot electric expansion valve, vapour liquid separator, shwoot charge air cooler, turbocharger, dry blower fan, heating blower, defrost motor-driven valve, dry screen pack, heated filter screen composition, it is characterized in that: outlet one tunnel of described compressor is connected with condenser inlet, condensator outlet is connected with the turbine room entrance of turbocharger, turbine room outlet is connected with shwoot charge air cooler entrance by one-level electric expansion valve, shwoot charge air cooler one is exported and is connected with drying evaporator entrance by secondary electrons expansion valve, drying evaporator outlet is connected with heating fumigators entrance, heating fumigators outlet is connected with blade wheel chamber's entrance of turbocharger, blade wheel chamber's outlet is connected with vapour liquid separator entrance, vapour liquid separator outlet is connected with the entrance of compressor, the outlet of compressor is separately leaded up to defrost motor-driven valve and is connected with drying evaporator entrance, and another outlet of shwoot charge air cooler is connected with the entrance of vapour liquid separator by shwoot electric expansion valve, described dish-washing machine air circulation duct dish-washing machine front panel position is provided with the heated filter screen of air-borne dust, and described dish-washing machine hot gas cycle passage dish-washing machine front panel position is provided with dust and dries screen pack.Described condenser is water, the dual-purpose condenser of air; Described dish-washing machine heat pump drying system, is made up of condenser, drying evaporator, heating fumigators, oven dry blower fan, heating blower, oven dry screen pack, heated filter screen.

Present device small investment, reduces energy resource consumption, of low pollution environment, improves the Energy Efficiency Ratio of system, reduces operating cost.

Four, accompanying drawing explanation

Fig. 1 is heat pump, dries dish-washing machine schematic diagram.

In above-mentioned figure, 1 compressor, 2 condensers (heater), 3 drying evaporators, 4 heating fumigators, 5A one-level electric expansion valve, 5B secondary electrons expansion valve, 5C shwoot electric expansion valve, 6 vapour liquid separators, 7 shwoot charge air coolers, 8 turbocharger, 8A turbine room, 8B blade wheel chamber, 9A dries blower fan, 9B heating blower, 10 defrost motor-driven valves, 11A dries screen pack, the heated filter screen of 11B.

Five, detailed description of the invention

As shown in Figure 1, a kind of heat pump, dry dish-washing machine, by compressor 1, condenser 2, drying evaporator 3, heating fumigators 4, one secondary electrons expansion valve 5A, 5B, shwoot electric expansion valve 5C, vapour liquid separator 6, shwoot charge air cooler 7, turbocharger 8, dry blower fan 9A, heating blower 9B, defrost motor-driven valve 10, dry screen pack 11A, heated filter screen 11B forms, it is characterized in that: outlet one tunnel of described compressor 1 is connected with condenser 2 entrance, condenser 2 exports and is connected with the turbine room 8A entrance of turbocharger 8, turbine room 8A outlet is connected with shwoot charge air cooler 7 entrance by one-level electric expansion valve 5A, shwoot charge air cooler 7 one outlet is connected with drying evaporator 3 entrance by secondary electrons expansion valve 5B, drying evaporator 3 exports and is connected with heating fumigators 4 entrance, heating fumigators 4 exports and is connected with blade wheel chamber's 8B entrance of turbocharger 8, blade wheel chamber 8B outlet is connected with vapour liquid separator 6 entrance, vapour liquid separator 6 exports and is connected with the entrance of compressor 1, the outlet of compressor 1 is separately leaded up to defrost motor-driven valve 10 and is connected with drying evaporator 3 entrance, another outlet of shwoot charge air cooler 7 is connected with the entrance of vapour liquid separator 6 by shwoot electric expansion valve 5C, described dish-washing machine air circulation duct dish-washing machine front panel position is provided with the heated filter screen 11B of air-borne dust, and described dish-washing machine hot gas cycle passage dish-washing machine front panel position is provided with dust and dries screen pack 11A.Described condenser 2 is water, the dual-purpose condenser 2 of air; Described dish-washing machine heat pump drying system, is made up of condenser 2, drying evaporator 3, heating fumigators 4, oven dry blower fan 9A, heating blower 9B, oven dry screen pack 11A, heated filter screen 11B.

1., during dish-washing machine heat pump heating system heating water, heat pump refrigerant circulation flow process divides two-way:

Compressor 1--condenser (water heater) 2--turbocharger 8 turbine room 8A (promotion turbine)--one-level electric expansion valve 5A--shwoot charge air cooler 7 (vaporized cold)--secondary electrons expansion valve 5B--drying evaporator 3 (drying blower fan 9A to close)--heating fumigators 4 (heating blower 9B opens)--turbocharger 8 blade wheel chamber 8B (impeller supercharging one stage of compression)--vapour liquid separator 6--compressor 1 (two-stage compression).

Compressor 1--condenser (water heater) 2--turbocharger 8 turbine room 8A (promotion turbine)--one-level electric expansion valve 5A--shwoot charge air cooler 7 (vaporized cold)--shwoot electric expansion valve 5C (adjustment)--vapour liquid separator 6--compressor 1 (two-stage compression).

2., when dish-washing machine heat pump drying system dries tableware, heat pump refrigerant circulation flow process divides two-way:

Compressor 1--condenser (air heater) 2--turbocharger 8 turbine room 8A (promotion turbine)--one-level electric expansion valve 5A--shwoot charge air cooler 7 (vaporized cold)--secondary electrons expansion valve 5B--drying evaporator (drying blower fan 9A to open)--heating fumigators 3 (heating blower 9B opens)--turbocharger 8 blade wheel chamber 8B (impeller supercharging, one stage of compression)--vapour liquid separator 6--compressor 1 (two-stage compression).

Compressor 1--condenser (air heater) 2--turbocharger 8 turbine room 8A (promotion turbine)--one-level electric expansion valve 5A--shwoot charge air cooler 7 (vaporized cold)--shwoot electric expansion valve 5C (adjustment)--vapour liquid separator 6--compressor 2 (two-stage compression).

When during oven dry, bake out temperature reaches control temperature, heating blower 9B closes, and heating fumigators 4 is deactivated.

3. water dries flow process:

----steam--dries blower fan 9A--drying evaporator 3 (condensed steam becomes water droplet)--dry air--condenser 2 (adding hot-air) to moisture in heating table ware to condenser 2 (adding hot-air).

1., when heat pump, oven dry use in dishwasher heat pump heating system heating water, compressor 1 sucks isolates medium temperature and medium pressure refrigerant vapour from vapour liquid separator 6.Refrigerant compression is become high temperature and high pressure gas, enter condenser (hot-water heater) 2, cold-producing medium passes through the outer water heat release of condenser 2, coolant-temperature gage is raised, condensating refrigerant becomes highly pressurised liquid, highly pressurised liquid enters in turbocharger 8 turbine room 8A, high pressure liquid refrigerant promotes turbine rotation, turbine is impeller again, from turbine room 8A cold-producing medium out enter one-level electric expansion valve 5A throttling become the liquid of pressure enter in shwoot charge air cooler 7, in this middle pressure shwoot charge air cooler 7, some liquid refrigerants are evaporated to refrigerant gas, gas through shwoot electric expansion valve 5C and from turbocharger 8 blade wheel chamber 8B impeller supercharging (one stage of compression) out in pressure steam be mixed into vapour liquid separator 6, in shwoot charge air cooler 7, remaining cold-producing medium is then cooled to the subcooled liquid of temperature in middle pressure, drying evaporator 3 (do not work and at this moment dry blower fan 9A closedown) is passed through again after the cooling of secondary electrons expansion valve 5B reducing pressure by regulating flow, enter heating fumigators 4, at this moment heating blower 9B opens, the heat of cold-producing medium absorption machine outer air in heating fumigators 4, cold-producing medium is made to flash to low-pressure low-temperature refrigerant vapour, enter the blade wheel chamber 8B of turbocharger 8, impeller drives by turbine and rotates supercharging (one stage of compression) refrigerant vapour, the suitably middle compression refrigerant gas and vapor permeation that in after namely carrying out one stage of compression, compression refrigerant gas and shwoot charge air cooler 7 are evaporated enters vapour liquid separator 6 and is then carried out two-stage compression by compressor 1 suction again, complete a heating water heat pump cycle like this.

2. heat pump, when drying use in dishwasher heat pump drying system oven dry tableware, compressor 1 sucks isolates medium temperature and medium pressure refrigerant vapour from vapour liquid separator 6, refrigerant compression is become high temperature and high pressure gas, enter condenser (air heater) 2, cold-producing medium makes air themperature raise by the heat release of condenser 2 outer air, under oven dry blower fan 9A effect, make steam evaporation on tableware, condensating refrigerant becomes highly pressurised liquid, highly pressurised liquid enters in turbocharger 8 turbine room 8A, high pressure liquid refrigerant promotes turbine rotation, turbine is impeller again, from turbine room 8A cold-producing medium out enter one-level electric expansion valve 5A throttling become the liquid of pressure enter in shwoot charge air cooler 7, in this middle pressure shwoot charge air cooler 7, some liquid refrigerants are evaporated to refrigerant gas, gas is through shwoot electric expansion valve 5C with from turbocharger 8 blade wheel chamber 8B, in impeller supercharging (one stage of compression) out, pressure steam is mixed into vapour liquid separator 6, in shwoot charge air cooler 7, remaining cold-producing medium is then cooled to the subcooled liquid of temperature in middle pressure, drying evaporator 3 is entered again after the cooling of secondary electrons expansion valve 5B reducing pressure by regulating flow, at this moment dry blower fan 9A to open, a small amount of cold-producing medium absorbs the heat of drying the steam that blower fan 9A sends here in drying evaporator 3, water vapor condensation is made to become the globule to drain, cold-producing medium enters heating fumigators 4 again, now, heating blower 9B opens, majority system cryogen absorbs from the heat outside machine in heating fumigators 4, flash to low-pressure low-temperature refrigerant vapour, enter the blade wheel chamber 8B of turbocharger 8, impeller drives by turbine and rotates supercharging (one stage of compression) refrigerant vapour, the suitably middle compression refrigerant gas and vapor permeation that in after namely carrying out one stage of compression, compression refrigerant gas and shwoot charge air cooler 7 are evaporated enters vapour liquid separator 6, then sucked by compressor 1 again and carry out two-stage compression, complete one like this and dry heat pump cycle.

Heat pump, when drying the heat pump drying tableware of dish-washing machine, air heat in dish-washing machine is become heated dry air by condenser (air heater) 2, tableware surface moisture in heated dry air heater, moisture is made to flash to damp-heat air, drying blower fan 9A blows on drying evaporator 3 by damp-heat air by pipeline, water vapor condensation Cheng Shui is discharged to outside machine by drying evaporator 3, damp-heat air becomes cold dry air, cold dry air is blown in machine by drying screen pack 11A bottom dish-washing machine, heated dry air is become again through condenser (air heater) 2 heating, circulating-heating like this dries tableware.

The present invention is provided with turbocharger and shwoot charge air cooler, when summer, superhigh temperature was at ultralow-temperature operation conditions in winter, the present invention is when heating or dry, from condenser high pressure out, warm refrigerant liquid enters turbocharger turbine room, turbocharger utilizes refrigerant pressure differential between condenser and drying evaporator or heating fumigators to promote the turbine in turbine room, turbine is impeller again, energy is recovered, impeller force feed (one stage of compression) becomes middle compression refrigerant steam feeding compressor from drying evaporator or heating fumigators low-temperature low-pressure refrigerant out and carries out two-stage compression, from turbocharger turbine room, refrigerant liquid out carries out preliminary throttling, some cold-producing mediums are vaporized evaporation, thus it is cold to make remaining refrigerant liquid be cooled, improve major cycle cold-producing medium degree of supercooling, turbocharger and shwoot charge air cooler is utilized to realize the two-stage compression of cold-producing medium, compressor air suction amount is increased, contribute to increasing refrigerant mass fluxes in major cycle, thus increase heating capacity, compressor carries out two-stage compression, compression refrigerant gas in suction, so compressor compresses is lower, the delivery temperature of compressor is also lower, compressor fault rate reduces, property safe and reliable to operation raises, heating efficiency rises, power consumption reduces, reach energy-conservation object.

Claims (1)

1. a heat pump, dry dish-washing machine, by compressor, condenser, drying evaporator, heating fumigators, one secondary electrons expansion valve, shwoot electric expansion valve, vapour liquid separator, shwoot charge air cooler, turbocharger, dry blower fan, heating blower, defrost motor-driven valve, dry screen pack, heated filter screen composition, it is characterized in that: outlet one tunnel of described compressor is connected with condenser inlet, condensator outlet is connected with the turbine room entrance of turbocharger, turbine room outlet is connected with shwoot charge air cooler entrance by one-level electric expansion valve, shwoot charge air cooler one is exported and is connected with drying evaporator entrance by secondary electrons expansion valve, drying evaporator outlet is connected with heating fumigators entrance, heating fumigators outlet is connected with blade wheel chamber's entrance of turbocharger, blade wheel chamber's outlet is connected with vapour liquid separator entrance, vapour liquid separator outlet is connected with the entrance of compressor, the outlet of compressor is separately leaded up to defrost motor-driven valve and is connected with drying evaporator entrance, and another outlet of shwoot charge air cooler is connected with the entrance of vapour liquid separator by shwoot electric expansion valve, described dish-washing machine air circulation duct dish-washing machine front panel position is provided with the heated filter screen of air-borne dust, and described dish-washing machine hot gas cycle passage dish-washing machine front panel position is provided with dust and dries screen pack, described condenser is water, the dual-purpose condenser of air, described dish-washing machine heat pump drying system, is made up of condenser, drying evaporator, heating fumigators, oven dry blower fan, heating blower, oven dry screen pack, heated filter screen.
CN201310023857.0A 2013-01-23 2013-01-23 Dish washing machine based on heating and drying of heat pump CN103070656B (en)

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Application Number Priority Date Filing Date Title
CN201310023857.0A CN103070656B (en) 2013-01-23 2013-01-23 Dish washing machine based on heating and drying of heat pump

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Application Number Priority Date Filing Date Title
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CN103070656B true CN103070656B (en) 2015-01-07

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3082554B1 (en) * 2013-12-19 2017-10-25 Electrolux Appliances Aktiebolag Dishwasher comprising heat pump system
US10544967B2 (en) 2014-06-02 2020-01-28 Electrolux Appliances Aktiebolaget Heat pump arrangement for domestic appliance
CN104840167A (en) * 2015-06-04 2015-08-19 广州铭圣环保科技有限公司 Drying equipment of dish washing machine
CN106580219A (en) * 2015-10-19 2017-04-26 杭州三花家电热管理系统有限公司 Dish washer
CN106923767A (en) * 2015-12-30 2017-07-07 杭州三花家电热管理系统有限公司 Dish-washing machine and its control method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2058427A1 (en) * 2007-11-06 2009-05-13 BSH Electrodomésticos España, S.A. Household appliance having a heat pump unit and means for cooling a component thereof
CN101482321B (en) * 2009-02-20 2011-05-04 林贤华 Ultra-low temperature heat pump water heater
CN102425825A (en) * 2011-11-28 2012-04-25 林贤华 Two-pipe ultra-high ultra-low temperature heat pump hot water triple-purpose central air conditioning system

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