CN203940718U - Heat pump dehydrating unit - Google Patents

Heat pump dehydrating unit Download PDF

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Publication number
CN203940718U
CN203940718U CN201420312420.9U CN201420312420U CN203940718U CN 203940718 U CN203940718 U CN 203940718U CN 201420312420 U CN201420312420 U CN 201420312420U CN 203940718 U CN203940718 U CN 203940718U
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China
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condenser
heat pump
evaporimeter
regenerator
compressor
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CN201420312420.9U
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Chinese (zh)
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石曾矿
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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Abstract

The utility model discloses a kind of heat pump dehydrating unit, comprises kind of refrigeration cycle, dehumidification module and circulated air module, and described kind of refrigeration cycle comprises the first condenser, evaporimeter, expansion valve and compressor; Described dehumidification module comprises regenerator, and described regenerator is from hot side air intake, and the hot side air-out mouth of described regenerator is connected the cold side outlet of described regenerator and connects wind pipe with the cold side import of regenerator through evaporimeter by pipeline; Circulated air module comprises circulating fan, and described circulating fan is installed on by the first condenser.The utility model has the following advantages: can improve wet-out property, increase condenser air quantity, reduce condensing pressure, improving dehumidifying heat pump composite wet-out property ratio reaches more than 20%, save greatly operating cost, increase and adopt identical cold-producing medium in drying course serviceability temperature scope, reduce unit mounting cost and save installing space.

Description

Heat pump dehydrating unit
[technical field]
The utility model relates to art of heat pumps, specifically a kind of heat pump dehydrating unit.
[background technology]
Existing dehumidifying heat pump (heat pump dehumidification dryer) generally adopts the single cool-down dehumidification principle of evaporimeter, an evaporimeter refrigeration duty part is cooled to dew-point temperature for drying medium (air etc.), part refrigeration duty is for dehumidification process, particularly in the most of evaporimeter refrigeration duty of the later stage of drying, need only the cooling for drying medium, moisture removal is little, dehumidifying heat pump (heat pump dehumidification dryer) wet-out property in whole dry period only has 1~3kg water/kw.h than (S M ER), and humidity further reduces even evaporated condensation water.The air quantity of evaporimeter, condenser adopts same dehumidifying air quantity, and condenser air heat transfer process is sensible heat temperature-rise period, causes condensing pressure higher, and compressor compresses is larger, and dehumidifying heat pump wet-out property is than not enough.In dehumidifying heat pump practical application, need to increase the wind speed that air circulation increases drying system, install that comparatively complexity and cost of investment are high.
[utility model content]
The purpose of this utility model is to overcome the deficiency that the above prior art exists, and provides a kind of wet-out property significantly to promote, and saves operating cost, expansion refrigeration machine serviceability temperature scope, the heat pump dehydrating unit of saving installing space.
For achieving the above object, the technical solution of the utility model is: heat pump dehydrating unit, comprise kind of refrigeration cycle, dehumidification module and circulated air module, described kind of refrigeration cycle comprises the first condenser, evaporimeter, expansion valve and compressor, described compressor outlet is connected with the import of described the first condenser by pipeline, the outlet of described the first condenser is connected with the import of expansion valve by pipeline, the outlet of described expansion valve is connected with the import of evaporimeter, the outlet of described evaporimeter is connected with compressor by pipeline, forms kind of refrigeration cycle; Described dehumidification module comprises regenerator, and described regenerator is from hot side air intake, and the hot side air-out mouth of described regenerator is connected with the cold side import of regenerator through evaporimeter by pipeline, and the cold side outlet of described regenerator connects wind pipe; Circulated air module comprises circulating fan, and described circulating fan is installed on by the first condenser, with the first condenser heating air intake.
Preferably, also comprise the second condenser, the outlet of described compressor is connected with the import of described the second condenser by pipeline, the outlet of described the second condenser is connected with the import of expansion valve by pipeline, the outlet of described expansion valve is connected with the import of evaporimeter, the outlet of described evaporimeter is connected with compressor by pipeline, forms outdoor kind of refrigeration cycle.
Preferably, between described expansion valve and the first condenser and the second condenser, filter is set.
Preferably, between described evaporimeter and compressor, fluid reservoir is set, for splendid attire cold-producing medium.
Preferably, also comprise support and base, described support is fixed on base, and described support is outer to be encapsulated by shell, and described the first condenser, evaporimeter, expansion valve, compressor and fluid reservoir are installed in described support.
Preferably exist, in described evaporimeter bottom, drip tray is installed, for accepting the condensed water dripping, guarantee support inner drying, prevent that support from meeting aquatic rust etc.; Described drip tray is connected with condensate pipe, and the condensed water of accepting is discharged to outside.
Preferably, described regenerator is fixed on middle part in support by bracing frame.
Preferably, described the first condenser or the second condenser and described circulating fan are installed on one, form standalone module, and described the first condenser or the second condenser are connected with filter with described compressor by copper pipe respectively; Installation is more flexible like this, can no longer be subject to space and control, and structure is compacter, and heat exchanger effectiveness effectively improves.
Preferably, the circulating fan in described circulated air module is installed on a described top of the trellis, at circulating fan, between a top of the trellis, fixes the first condenser, and described circulating fan is fixed on described the first condenser, can effectively save space and installation cost like this.
Compared with prior art, the utility model has the following advantages:
(1) can improve wet-out property, than the wet-out property of existing common heat pump dehumidification dryer, than (SM ER), improve more than 40%;
(2) evaporimeter and condenser are taked respectively independent air-supply, increase condenser air quantity, reduce condensing pressure, improve dehumidifying heat pump composite wet-out property ratio and reach more than 20%, save greatly operating cost;
(3) increase and adopt identical cold-producing medium in drying course serviceability temperature scope, as former technology applied at elevated temperature scope is 63 ℃ while adopting R134a cold-producing medium, adopt condenser to blow separately, increase condensation air quantity, unit serviceability temperature can reach more than 70, expands environmental protection refrigerant drying course serviceability temperature scope;
(4) can meet dehumidifying air quantity (evaporimeter) simultaneously design with the integral type of air circulation (condenser), reduce unit mounting cost and save installing space;
(5) when humidity is high, itself has dehumidification function regenerator, at the early stage of drying, avoids too much opening into exhaust blower (air draft energy loss is large), and unit has economic benefits and social benefits effect on moisture extraction.
[accompanying drawing explanation]
Fig. 1 is the principle flow chart of the utility model heat pump dehydrating unit embodiment 1;
Fig. 2 is the principle flow chart of the utility model heat pump dehydrating unit embodiment 2;
Fig. 3 is the utility model heat pump dehydrating unit embodiment 1 structured flowchart;
Fig. 4 is the utility model heat pump dehydrating unit embodiment 1 internal structure schematic diagram;
Fig. 5 is the utility model heat pump dehydrating unit embodiment 1 left TV structure schematic diagram;
Fig. 6 is the utility model heat pump dehydrating unit embodiment 1 plan structure schematic diagram;
Fig. 7 is the utility model heat pump dehydrating unit embodiment 3 internal structure schematic diagrames;
Fig. 8 is the utility model heat pump dehydrating unit embodiment 3 left TV structure schematic diagrames.
[specific embodiment]
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
Heat pump dehydrating unit, as shown in Figure 1, comprise kind of refrigeration cycle, dehumidification module and circulated air module, described kind of refrigeration cycle comprises the first condenser 2, evaporimeter 6, expansion valve 9 and compressor 5, the outlet of described compressor 5 is connected with the import of described the first condenser 2 by copper pipe 15, the outlet of described the first condenser 2 is passed through filter 8 by copper pipe and is connected with the import of expansion valve 9, outlet at described expansion valve 9 is connected with the import of evaporimeter 6, the outlet of described evaporimeter 6 is connected with compressor 5 by copper pipe, forms kind of refrigeration cycle; Described dehumidification module comprises regenerator 3 and dehumidifying blower fan 4, the hot side of described regenerator 3 arranges air inlet G, the hot side air-out mouth of described regenerator 3 is connected with the cold side import of regenerator 3 through evaporimeter 6 by pipeline, the cold side outlet of described regenerator 3 is connected with dehumidifying blower fan 4 by pipeline, provide dry wind to be dried that (air enters from the hot side air inlet G of described regenerator 3, air outlet D output through the cold side import of evaporimeter 6 and regenerator 3 by dehumidifying blower fan 4, for being dried); Described circulated air module comprises circulating fan 1, and it is other that described circulating fan 1 is installed on the first condenser 2, with the first condenser 2, adds the wind that circulating fan 1 is introduced.Preferably, between described evaporimeter 6 and compressor 5, fluid reservoir 7 is set.Between evaporimeter 6 and compressor 5, be connected gas-liquid separator (or economize can device).Air is lowered the temperature to described the first condenser 2 through the air intake vent A of circulating fan 1, and air is heated by air outlet B and discharges, and hot blast is provided.Condenser is the setting of air-supply separately, increases the air quantity of condenser, reduces condensing pressure, can improve integral body and close wet-out property (with respect to being with the comprehensive wet-out property of plate-fin recuperator heat dehumidifying pump than more than 20%), saves operating cost; Can increase in addition and adopt identical cold-producing medium in drying course serviceability temperature scope, (former technology applied at elevated temperature scope is 63 ℃ when adopted R134a cold-producing medium, adopt condenser to blow separately, increase condensation air quantity, unit serviceability temperature can reach more than 70) expansion environmental protection refrigerant drying course serviceability temperature scope.
As shown in Fig. 3-6, heat pump dehydrating unit also comprises support 12, base 19 and drip tray 18, and described support 12 is fixed on base 19, and described support 12 is outer to be encapsulated by shell, forms obturator attractive in appearance.Wherein, described the first condenser 2, evaporimeter 6, expansion valve 9, compressor 5 and fluid reservoir 7 are installed in described support 12.In described the first evaporimeter 6 bottoms, drip trays 18 are installed, for accepting the condensed water dripping, are guaranteed support inner drying, prevent that support from meeting aquatic rust etc.; Described drip tray 18 is connected with condensate pipe 15, and the condensed water of accepting is discharged to outside.Preferably, described drip tray 18 is fixed on described evaporimeter 6 times by screw.Wherein, described regenerator 3 is fixed on the interior middle part of support 12 by bracing frame.Described compressor 5 and fluid reservoir 7 are fixed on base 19, and this spline structure is more stable, and can reduce the supported weight of support 12, can be effectively cost-saving.On described support 12, dividing plate 14 is set, for instrument and equipment such as setting pressure table 16 grade and other electrical equipments.Described Pressure gauge 16 can point-device supervisory control system running pressure, so that regulate in time, improves security.On described support 12, electronic box 13 can be set, hothouse control of temperature and humidity device is set described electronic box 13 and the control of outlet wind-warm syndrome arranges power supply indication, compressor operating, fan operation, accessory fan operation indication; Operation, stop button are set, and blower fan is manual, automatic button; Indicating fault and reset; Comprise the functions such as compressor, blower fan heavy-current control, dehumidifying, humidification, hydrofuge, intensification control.Circulating fan 1 in described circulated air module is installed on described support 12 tops and at circulating fan 1, between support 12 tops, fixes the first condenser 2, and described circulating fan is fixed on described the first condenser 2, can effectively save space and installation cost like this.
Embodiment 2
On embodiment 1 mechanism basis, the utility model heat pump dehydrating unit, also comprise the second condenser 10, the outlet of described compressor 5 is connected with the import of described the second condenser 10 by pipeline, the outlet of described the second condenser 10 is passed through filter 8 by pipeline and is connected with the import of expansion valve 9, the outlet of described expansion valve 9 is connected with the import of evaporimeter 6, and the outlet of described evaporimeter 6 is connected with compressor 5 by pipeline, forms outdoor kind of refrigeration cycle.In the other second circulated air module that arranges of described the second condenser 10.Described the second circulated air module comprises the second circulating fan 11, and it is other that described the second circulating fan 11 is installed on described the second condenser 10.With entrance E, through the second condenser 10, the air outlet F by the second circulating fan 11 exports air, and the second condenser 10 is lowered the temperature described in air, and air is heated by air outlet F and discharges, and hot blast is provided.Described the second condenser 10 and the second circulated air module, for outside installation room, match with above-mentioned the first indoor condenser 2 and circulation envelope module, and condenser is the setting of air-supply separately, increase the air quantity of condenser, reduce condensing pressure, can improve integral body and close wet-out property, save operating cost; Can increase in addition and adopt identical cold-producing medium at drying course serviceability temperature model.
Embodiment 3
As shown in Figure 7 and Figure 8, wherein, described the first condenser 2 or the second condenser 10 are installed on one with described circulating fan or the second circulating fan 11, form standalone module.Described the first condenser 2 or the second condenser 10 are connected with filter 8 with described compressor 5 by copper pipe 15 respectively; Installation is more flexible like this, can no longer be subject to space and control, and structure is compacter, and heat exchanger effectiveness effectively improves, and reduces unit mounting cost simultaneously and saves installing space.
Wherein, described support 12 adopts structural section, sheet metal processing or aluminium alloy type material to make, firm in structure and cost-saving.Described shell adopts the composite insulation boards that possesses heat-insulating property, and it is not less than 25mm, and composite plate inner plating is hot-dip galvanizing sheet steel, aluminium sheet or corrosion resistant plate that Corrosion Protection is good.Described dehumidifying blower fan 4 can adopt centrifugal blower or axial flow blower.Described circulating fan (1,11) can adopt centrifugal blower, axial flow blower or external rotor axial-flow fan.Described the first condenser 2 or the preferred Fin-tube Condenser of the second condenser 10, described Fin-tube Condenser is comprised of base tube and fin, and described fin is fixed on described base tube outer surface; Described base tube can adopt bronzing pipe or inner screw thread copper pipe, and described fin is aluminium, copper product, and described fin can be that corrugated plate, sun-roof or ripple are sun-roof etc., and this structure can effectively improve heat transfer effect.Described condenser can be also water condenser (cooling), brazing plate type heat exchanger, double pipe heat exchanger, shell-and-tube heat exchanger, Fin-tube Condenser.At heat exchanger water inlet, water flow regulating device should be set.Described base can adopt section bar or metal sheet to make, firm in structure, and cost is low.Described evaporimeter 6 can be finned tube evaporator, and it is comprised of base tube and fin, and described fin is fixed on described base tube surface; Described base tube can adopt bronzing pipe or inner screw thread copper pipe; Described fin is aluminium, copper product, and fin can be that corrugated plate, sun-roof or ripple are sun-roof etc.Described drip tray 18 and and drip pipe 15 can adopt corrosion-resistant aluminium sheet, immortal steel plate to make, preferably adopt hot galvanized steel pipe or stainless steel tube, should have trap setting, so that draining.The preferred plate-fin recuperator of described regenerator, described fin type heat exchanger is comprised of dividing plate, fin, strip of paper used for sealing and flow deflector, fin is set between adjacent separator, described dividing plate and flow deflector are fixed and are formed interlayer by strip of paper used for sealing, to press from both sides described layer stacked, soldering becomes the plate bundle of whole group, is equipped with necessary end socket sealing two ends, or fittable slackening device.The form of described fin can be plain fin, saw tooth fin, perforated fin or corrugated fin; Its Air Flow pattern has the forms such as distributary, adverse current.Described compressor can be selected vortex compressor, piston compressor or screw compressor.For small unit, preferentially adopt scroll compressor.Described dividing plate is preferably made of galvanized sheet, the aluminium sheet of good corrosion resistance.Air inlet wherein can be to make or aluminium alloy making of sheet metal, and filter is set.Described reservoir preferably adopts high-pressure reservoir.The preferred heating power of described expansion valve or electric expansion valve; Generally should be according to different cold-producing medium type selectings, such as high temperature mix refrigerant should preferentially adopt electric expansion valve.The preferred liquid of described filter cold-producing medium private filter.Gas-liquid separator is wherein used for preventing that compressor from entering gas carrying liquid, causes liquid hammer.Described cold-producing medium is selected dissimilar cold-producing medium according to temperature requirements, when temperature is lower than 45 ℃, preferentially selects R22/R407C cold-producing medium; When temperature is lower than 63 ℃, select R134a; When temperature is higher than 65 ℃, select high temperature mix refrigerant/R142b; The preferred high-quality copper tube of cold-producing medium copper pipe.
Operation principle of the present utility model is as follows:
(1) cold-producing medium flow process (inorganic compound, the pure working medium of fluoride, hydrocarbon or mix refrigerant)
A, without air-cooled or water-cooling apparatus
B, be with air-cooled or water-cooling apparatus
(2) drying medium (air etc.) flow process
A, dehumidifying wind
B, circulated air
As described above, it is only preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, the simple equivalence of generally doing according to the utility model claim and utility model description changes and modifies, and all still belongs in the scope that the utility model patent contains.

Claims (9)

1. heat pump dehydrating unit, it is characterized in that, comprise kind of refrigeration cycle, dehumidification module and circulated air module, described kind of refrigeration cycle comprises the first condenser, evaporimeter, expansion valve and compressor, described compressor outlet is connected with the import of described the first condenser by pipeline, and the outlet of described the first condenser is connected with the import of expansion valve by pipeline, and the outlet of described expansion valve is connected with the import of evaporimeter, the outlet of described evaporimeter is connected with compressor by pipeline, forms kind of refrigeration cycle; Described dehumidification module comprises regenerator, and described regenerator is from hot side air intake, and the hot side air-out mouth of described regenerator is connected with the cold side import of regenerator through evaporimeter by pipeline, and the cold side outlet of described regenerator connects wind pipe; Circulated air module comprises circulating fan, and described circulating fan is installed on by the first condenser.
2. heat pump dehydrating unit according to claim 1, it is characterized in that, also comprise the second condenser, the outlet of described compressor is connected with the import of described the second condenser by pipeline, the outlet of described the second condenser is connected with the import of expansion valve by pipeline, the outlet of described expansion valve is connected with the import of evaporimeter, and the outlet of described evaporimeter is connected with compressor by pipeline, forms outdoor kind of refrigeration cycle.
3. according to the heat pump dehydrating unit described in claim 1 or 2, it is characterized in that, between described expansion valve and the first condenser and the second condenser, filter is set.
4. heat pump dehydrating unit according to claim 3, is characterized in that, between described evaporimeter and compressor, fluid reservoir is set.
5. heat pump dehydrating unit according to claim 4, it is characterized in that, also comprise support and base, described support is fixed on base, described support is outer to be encapsulated by shell, and described the first condenser, evaporimeter, expansion valve, compressor and fluid reservoir are installed in described support.
6. heat pump dehydrating unit according to claim 5, is characterized in that, drip tray is installed in described evaporimeter bottom; Described drip tray is connected with condensate pipe.
7. heat pump dehydrating unit according to claim 6, is characterized in that, described regenerator is fixed on middle part in support by bracing frame.
8. heat pump dehydrating unit according to claim 5, it is characterized in that, described the first condenser or the second condenser and described circulating fan are installed on one, form standalone module, and described the first condenser or the second condenser are connected with filter with described compressor by copper pipe respectively.
9. heat pump dehydrating unit according to claim 8, it is characterized in that, circulating fan in described circulated air module is installed on a described top of the trellis, at circulating fan, between a top of the trellis, fixes the first condenser, and described circulating fan is fixed on described the first condenser.
CN201420312420.9U 2014-06-12 2014-06-12 Heat pump dehydrating unit Expired - Lifetime CN203940718U (en)

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Application Number Priority Date Filing Date Title
CN201420312420.9U CN203940718U (en) 2014-06-12 2014-06-12 Heat pump dehydrating unit

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Application Number Priority Date Filing Date Title
CN201420312420.9U CN203940718U (en) 2014-06-12 2014-06-12 Heat pump dehydrating unit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034145A (en) * 2014-06-12 2014-09-10 石曾矿 Dehumidifying device of heat pump
CN110285652A (en) * 2019-05-20 2019-09-27 铜陵中联铭浩制衣有限公司 A kind of drying equipment for processing cloth early period

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104034145A (en) * 2014-06-12 2014-09-10 石曾矿 Dehumidifying device of heat pump
CN104034145B (en) * 2014-06-12 2016-08-24 石曾矿 Heat-pump dehumidification device
CN110285652A (en) * 2019-05-20 2019-09-27 铜陵中联铭浩制衣有限公司 A kind of drying equipment for processing cloth early period

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GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20141112