CN209726659U - A kind of sludge drying heat pump system with temperature incubation function - Google Patents

A kind of sludge drying heat pump system with temperature incubation function Download PDF

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Publication number
CN209726659U
CN209726659U CN201920251569.3U CN201920251569U CN209726659U CN 209726659 U CN209726659 U CN 209726659U CN 201920251569 U CN201920251569 U CN 201920251569U CN 209726659 U CN209726659 U CN 209726659U
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indoor
air channel
outdoor
forecooler
return air
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CN201920251569.3U
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卢盛昌
李相宏
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Guangdong Peiwo New Energy Technology Co Ltd
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Guangdong Peiwo New Energy Technology Co Ltd
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Abstract

The utility model provides a kind of sludge drying heat pump system with temperature incubation function, including closed bakery, it is characterized in that being equipped with condensation return air channel and evaporation return air channel in bakery, it is successively arranged forecooler, indoor heat exchanging core and indoor condenser, indoor condenser on the return air channel and is equipped with high low speed circulating fan;Forecooler, indoor heat exchanging core and indoor evaporator are successively arranged on the evaporation return air channel, condensation return air channel and evaporation return air channel share forecooler and indoor heat exchanging core.By the way that forecooler is arranged, the effective temperature for balancing drying chamber prevents drying room temperature fluctuated, and regenerator and forecooler improve the efficiency of dehumidifying jointly.

Description

A kind of sludge drying heat pump system with temperature incubation function
Technical field
The utility model relates to heating plant field, dries heat pump more specifically to a kind of sludge with temperature incubation function System.
Background technique
In existing sludge drying heat pump system, the mesh of drying is realized by the heating of condenser and the dehumidifying of evaporator , have the characteristics that energy-efficient.Currently, sludge drying heat pump has the disadvantage in that
It heats up 1. system increases electric heating tube, underuses the heat-production functions of heat pump, reduce whole efficiency.
2. extraction cycle recycling thermal energy and forecooler is not configured in system, dehumidifying efficiency is poor, and SMER is lower than 2kg, H2O/ kw·h。
3. in sludge drying course, since condenser duty is greater than the load of evaporator, drying room temperature can be higher and higher, need It designs additional cooling system and carrys out equilibrium temperature, increase the cost and failure rate of unit.
Utility model content
Technical problem to be solved in the utility model be to waste heat without adequately recycle and utilize, whole efficiency compared with It is low, and additional cooling system equilibrium temperature is needed to configure, therefore total system is more huge, system is increasingly complex.
The utility model provides a kind of sludge drying heat pump system with temperature incubation function, packet in order to solve problem above Include closed bakery, it is characterised in that including compressor, outdoor heat exchanger, indoor condenser and indoor evaporator, compressor It is connected with indoor condenser, the first heating dehumidifying electric expansion valve, room is connected between outdoor heat exchanger and indoor condenser External heat exchanger is connected with liquid storage device and heating solenoid valve respectively, and liquid storage device passes through swollen with the second constant temperature dehumidification electronics after filter Swollen valve is connected, and the second constant temperature dehumidification electric expansion valve is connected by liquid-dividing head with indoor evaporator, and indoor evaporator passes through gas-liquid It is connected after separator with compressor;It is equipped with condensation return air channel in bakery and evaporates return air channel, on the return air channel It is successively arranged forecooler, indoor heat exchanging core and indoor condenser, indoor condenser and is equipped with high low speed circulating fan;It is described It is successively arranged forecooler, indoor heat exchanging core and indoor evaporator on evaporation return air channel, condenses return air channel and evaporates back Wind channel shares forecooler and indoor heat exchanging core;The interior heat exchanging core includes two channels, and respectively hot wind is logical Road and cold air duct;The cold air duct is connected with the air outlet of forecooler;The hot-air channel enters with indoor condenser Air port is connected.
The sludge with temperature incubation function dries heat pump system, it is characterised in that the outdoor heat exchanger is outdoor wing Plate heat interchanger, indoor condenser are indoor finned cooler, and indoor evaporator is indoor finned evaporator.
The sludge with temperature incubation function dries heat pump system, it is characterised in that in the outdoor finned heat exchanger Setting on the outside, is additionally provided with outdoor frequency conversion fan on the outdoor finned heat exchanger;Pass through frequency conversion fan outside variable frequency adjustment room Air volume carrys out the thermic load ratio that the outer finned heat exchanger of regulation room undertakes.
Implement the utility model has the following beneficial effects: heat pump system drying course in the environment being completely closed into Row, empty calory loss, sludge are not influenced by outside ambient air, ensure that the efficiency of drying.The cold of heat pump is utilized when drying Condenser radiating principle heats up, and heating while can also be dehumidified using the evaporator dehumidification principle of heat pump, sufficiently sends out The function of having waved heat pump improves the efficiency of unit without configuring electric heater.Drying chamber air blow and return circulation air path is provided with backheat Device has effectively recycled thermal energy, is also provided with forecooler, and the effective temperature for balancing drying chamber prevents drying room temperature fluctuated, Regenerator and forecooler improve the efficiency of dehumidifying jointly, and SMER is greater than 4kg, H2O/kwh, and energy-saving effect is higher than other classes The product of type.Particularly, which also has constant-temperature dehumidifying function, the condenser of indoor and outdoor two of connecting, shared Exchange heat load, when the temperature of drying chamber needs steady temperature, by the air quantity of frequency conversion fan outside controller regulation room, indirectly adjusts The heat exchange load proportion that outdoor finned heat exchanger undertakes achievees the purpose that the temperature and humidity of accurate constant drying chamber, realizes The automation of sludge drying, precision, energy-efficientization.
Detailed description of the invention
Fig. 1 is the schematic illustration of heating mode;
Fig. 2 is the schematic illustration of heating dehumidification mode;
Fig. 3 is the schematic illustration of constant temperature dehumidification mode;
Fig. 4 is the schematic illustration of drying chamber air blow and return circulation;
Fig. 5 is the schematic illustration of indoor heat exchanging core.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of sludge drying heat pump system.Sludge It dries heat pump system and is configured with 4 heat exchangers, there is heating mode first, heating is realized by the heating heating of heat pump, Solve the problems, such as that system increases electric heating tube and heats up.Secondly, the heat of drying heat pump return air blowing system configuration recycling thermal energy is handed over Core is changed, a forecooler is also configured with before heat exchanging core, pre-cooling can be carried out to air and improves dehumidifying Energy Efficiency Ratio.Most Afterwards, drying heat pump system has constant temperature dehumidification mode, under the mode, moisture that indoor finned evaporator is persistently precipitated sludge It dehumidifies, indoor finned cooler persistently heats drying sludge, outdoor finned heat exchanger and indoor finned cooler It is together in series and plays the condenser function of system jointly, shared heat exchange load when the temperature of drying chamber needs steady temperature, leads to Cross the air quantity of the outer frequency conversion fan of controller regulation room, the heat exchange load proportion that the outer finned heat exchanger of indirect regulation room undertakes, Achieve the purpose that the temperature and humidity of accurate constant drying chamber.The heat pump drying system valve member is few, and control is simple, solves sludge and dries During dry, since condenser duty is greater than the load of evaporator, drying room temperature can be higher and higher, needs additional designs cooling system It unites to stablize the temperature of drying chamber, increases the cost and failure rate of system, and stability is poor, temperature and humidity influence of fluctuations sludge The efficiency and quality of drying.
Its specific works mainly includes heating mode, heating dehumidification mode, constant temperature dehumidification mode and drying chamber air blow and return circulation.
Fig. 1 is the schematic illustration of heating mode;System includes: closed sludge drying chamber 1, forecooler 2, indoor heat exchange Core 3, compressor 4, gas-liquid separator 5, the second constant temperature dehumidification electric expansion valve 6, indoor finned evaporator 7, liquid-dividing head 8, Heat up solenoid valve 9, liquid storage device 10, filter 11, outdoor finned heat exchanger 12, outdoor frequency conversion fan 13, the first constant temperature dehumidification Electric expansion valve 14, indoor finned cooler 15 and indoor high low speed circulating fan 16.
Fig. 5 is the schematic illustration of indoor heat exchanging core, including indoor heat exchanging core includes two channels, respectively Hot-air channel A and cold air duct B;Cold air duct is connected with the air outlet of forecooler;Hot-air channel enters with indoor condenser Air port is connected.
Compressor sucks the gaseous refrigerant of low-temp low-pressure, and the gaseous refrigerant of low-temp low-pressure is compressed by the compressor rear shape State becomes the gaseous state of high temperature and pressure, enters the room finned cooler and heats the air of drying chamber, is condensed into high temperature and pressure Liquid, by the first heating dehumidify electric expansion valve reducing pressure by regulating flow after become low-temp low-pressure gas-liquid mixed state cold-producing medium after enter Outdoor finned heat exchanger exchanges heat with outdoor normal temperature air, is evaporated into the gaseous state of low-temp low-pressure, by the electromagnetism that heats up Compressor, which is returned to, after valve and gas-liquid separator enters subsequent cycle.
Fig. 2 is the schematic illustration of heating dehumidification mode;Compressor sucks the gaseous refrigerant of low-temp low-pressure, and low temperature is low The gaseous refrigerant of pressure is compressed by the compressor the gaseous state that rear state becomes high temperature and pressure, enters the room finned cooler for drying chamber Air heating, be condensed into the liquid of high temperature and pressure, by the first heating dehumidify electric expansion valve after enter back into outdoor wing Plate heat interchanger becomes low-temp low-pressure gas-liquid mixed state refrigeration after the second heating dehumidifying electric expansion valve by liquid storage device The laggard inner fin type evaporator of entering the room of agent, exchanges heat with indoor high temperature and humidity air, removes the water of indoor highly humid air Point, it is evaporated into the gaseous state of low-temp low-pressure, compressor is returned to after gas-liquid separator and enters subsequent cycle.
Fig. 3 is the schematic illustration of constant temperature dehumidification mode;Compressor sucks the gaseous refrigerant of low-temp low-pressure, and low temperature is low The gaseous refrigerant of pressure is compressed by the compressor the gaseous state that rear state becomes high temperature and pressure, enters the room finned cooler for drying chamber Air heating, be condensed into the liquid of high temperature and pressure, by the first heating dehumidify electric expansion valve after enter back into outdoor wing Plate heat interchanger becomes low-temp low-pressure gas-liquid mixed state refrigeration after the second heating dehumidifying electric expansion valve by liquid storage device The laggard inner fin type evaporator of entering the room of agent, exchanges heat with indoor high temperature and humidity air, removes the water of indoor highly humid air Point, it is evaporated into the gaseous state of low-temp low-pressure, compressor is returned to after gas-liquid separator and enters subsequent cycle.At the same time, room Outer frequency conversion fan starting, the condenser function of outdoor finned heat exchanger is enabled, the heat of indoor finned cooler is undertaken Load, the thermic load ratio undertaken by the size of air quantity of variable-frequency fan outside variable frequency adjustment room come finned heat exchanger outside regulation room Example, and outdoor is distributed heat to, the heating load to drying chamber air of indirect regulation room inner fin type condenser is realized permanent Determine the purpose of drying room temperature.
Fig. 4 is the schematic illustration for being drying chamber air blow and return circulation: the high temperature and humidity air of sludge drying chamber circulated air indoors Entering forecooler under the suction of machine, high temperature and humidity air is reduced by the circulating water of forecooler, temperature, and relative humidity increases, Subsequently into indoor heat exchanging core, exchanges heat, cooled down with the low temperature and low humidity air come out from indoor finned evaporator Laggard inner fin type evaporator of entering the room, the stage by cool-down dehumidification, subsequently enter the height of indoor heat exchanging core Yu drying chamber return air Warm highly humid air exchanges heat, and finned cooler is entered the room under the suction of circulating fan indoors after being heated, by again Sludge drying chamber drying sludge is returned to after heating.
The drying course of the heat pump system carries out in the environment being completely closed, and empty calory loss, sludge is not by extraneous ring The influence of border air ensure that the efficiency of drying.Heated up when drying using the condenser radiating principle of heat pump, heating it is same When can also be dehumidified using the evaporator dehumidification principle of heat pump, the function of heat pump has been given full play to, without configuring electric heating Device improves the efficiency of unit.Drying chamber air blow and return circulation air path is provided with regenerator, has effectively recycled thermal energy, has been also provided with Forecooler, the effective temperature for balancing drying chamber, prevents drying room temperature fluctuated, regenerator and forecooler improve dehumidifying jointly Efficiency, SMER be greater than 4kg, H2O/kwh, energy-saving effect be higher than other kinds of product.Particularly, the heat pump system is also With constant-temperature dehumidifying function, the condenser of indoor and outdoor two of connecting, shared exchanges heat load, and the temperature of drying chamber needs constant temperature When spending, by the air quantity of frequency conversion fan outside controller regulation room, the heat exchange that the outer finned heat exchanger of indirect regulation room undertakes is negative Lotus ratio achievees the purpose that the temperature and humidity of accurate constant drying chamber, realizes automation, the precision, energy conservation of sludge drying It is efficient.
Above disclosed is only a kind of the utility model embodiment, cannot limit the utility model certainly with this Interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to this reality The equivalent variations made by novel claim, still falls within the scope of the utility model.

Claims (3)

1. a kind of sludge with temperature incubation function dries heat pump system, including closed bakery, it is characterised in that including compression Machine, outdoor heat exchanger, indoor condenser and indoor evaporator, compressor are connected with indoor condenser, outdoor heat exchanger and room Be connected between inner condenser the first heating dehumidifying electric expansion valve, outdoor heat exchanger respectively with liquid storage device and heat up solenoid valve phase Connection, liquid storage device are connected after passing through filter with the second constant temperature dehumidification electric expansion valve, and the second constant temperature dehumidification electric expansion valve is logical It crosses liquid-dividing head to be connected with indoor evaporator, indoor evaporator after gas-liquid separator with compressor by being connected;It is set in bakery There are condensation return air channel and evaporation return air channel, forecooler, indoor heat exchanging core and room are successively arranged on the return air channel Inner condenser, indoor condenser are equipped with high low speed circulating fan;Forecooler, interior are successively arranged on the evaporation return air channel Heat exchanging core and indoor evaporator, condensation return air channel and evaporation return air channel share forecooler and indoor heat exchanging core; The interior heat exchanging core includes two channels, respectively hot-air channel and cold air duct;The cold air duct and forecooler Air outlet be connected;The hot-air channel is connected with the air intake vent of indoor condenser.
2. the sludge according to claim 1 with temperature incubation function dries heat pump system, it is characterised in that the outdoor is changed Hot device is outdoor finned heat exchanger, and indoor condenser is indoor finned cooler, and indoor evaporator is indoor finned steaming Send out device.
3. the sludge according to claim 2 with temperature incubation function dries heat pump system, it is characterised in that in the outdoor Finned heat exchanger is arranged on the outside, is additionally provided with outdoor frequency conversion fan on the outdoor finned heat exchanger;Pass through variable frequency adjustment The size of outdoor air quantity of variable-frequency fan carrys out the thermic load ratio that the outer finned heat exchanger of regulation room undertakes.
CN201920251569.3U 2019-02-28 2019-02-28 A kind of sludge drying heat pump system with temperature incubation function Active CN209726659U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920251569.3U CN209726659U (en) 2019-02-28 2019-02-28 A kind of sludge drying heat pump system with temperature incubation function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920251569.3U CN209726659U (en) 2019-02-28 2019-02-28 A kind of sludge drying heat pump system with temperature incubation function

Publications (1)

Publication Number Publication Date
CN209726659U true CN209726659U (en) 2019-12-03

Family

ID=68684324

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920251569.3U Active CN209726659U (en) 2019-02-28 2019-02-28 A kind of sludge drying heat pump system with temperature incubation function

Country Status (1)

Country Link
CN (1) CN209726659U (en)

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