CN205119755U - Heat pump drying system wet and waste heat utilization is taken out in area - Google Patents

Heat pump drying system wet and waste heat utilization is taken out in area Download PDF

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Publication number
CN205119755U
CN205119755U CN201520868907.XU CN201520868907U CN205119755U CN 205119755 U CN205119755 U CN 205119755U CN 201520868907 U CN201520868907 U CN 201520868907U CN 205119755 U CN205119755 U CN 205119755U
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China
Prior art keywords
heat
air inlet
heat exchanger
evaporimeter
air channel
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CN201520868907.XU
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Chinese (zh)
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平武臣
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JIANGMEN DANENG ENVIRONMENTAL PROTECTION ENERGY SAVING TECHNOLOGY Co Ltd
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JIANGMEN DANENG ENVIRONMENTAL PROTECTION ENERGY SAVING TECHNOLOGY Co Ltd
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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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

Abstract

The utility model discloses a heat pump drying system wet and waste heat utilization is taken out in area, including compressor, condenser, throttling element, evaporimeter to and the heat exchanger of wet effect and backheat effect is taken out in the reinforcing, compressor, condenser, throttling element and evaporimeter pass through refrigerant pipe interconnect, and the condenser is installed in a baking house, the evaporimeter with the heat exchanger is installed in the controllable wind channel, and the wind channel is provided with controllable air inlet and gas outlet, the first heat transfer end air inlet of heat exchanger pass through the wind channel controllable with the baking house intercommunication, the second heat transfer end air inlet of heat exchanger passes through the air inlet in controllable connection baking house in wind channel or wind channel, the second heat transfer end gas outlet of heat exchanger is connected with the air inlet of condenser, the air inlet of evaporimeter passes through the air inlet in the controllable connection wind channel in wind channel or the gas outlet that the first heat transfer of heat exchanger was held. The drying system structure is greatly simplified by this system, reduces the input of equipment, and the recycle who has still improved heat energy is effectively rateed, has strengthened greatly and has taken out wet effect.

Description

A kind of heat pump drying system with dehumidifier and Waste Heat Reuse
Technical field
The utility model relates to a kind of heat pump drying system with dehumidifier and Waste Heat Reuse.
Background technology
The operation principle of tradition dryer is by changing into high temperature air after heating devices heat by outside air, then high temperature air is fed in the space comparatively closed and object is dried, complete with post-drying and drain by hot and humid air, this mode efficiency is very low, therefore current drying plant adopts heat pump to carry out heat supply oven dry mostly, thus reduce energy loss.But, still a large amount of moisture can be produced in drying environment, so also need directly discharge or use dehumidifying equipment to carry out moisture row to take out simultaneously, therefore can the waste heat in air is related together discharge, and these can be mingled with impurity or pernicious gas in the air of heating, need periodic exhaustion to keep indoor air environment safety clean, but directly pump drainage can waste a large amount of waste heat, heat utilization rate is low, needs to improve.The drying unit of recyclable waste heat while of more existing dehumidifiers, it increases an Inner eycle dehumidifier evaporimeter in heat pump circulating system, by switching coolant path during dehumidifier, air evaporator is out of service, dehumidifier evaporimeter and condenser, forms refrigerant circulation with compressor, choke valve, this structure needs to be completed by the coolant circulating system of complexity and control system, device therefor is more, has high input, and dehumidifier and waste heat recovery effect are also desirable not to the utmost.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of heat pump drying system with dehumidifier and Waste Heat Reuse, and its equipment investment is few, and structure is simplified, and the impact of performance is good.
The utility model solves the technical scheme that its technical problem adopts:
A kind of heat pump drying system with dehumidifier and Waste Heat Reuse, comprise compressor, condenser, restricting element, evaporimeter, and strengthen the heat exchanger of dehumidifier effect and backheat effect, described compressor, condenser, restricting element and evaporimeter are interconnected by refrigerant pipe, condenser is arranged in a drying room, evaporimeter and described heat exchanger are arranged in controllable air channel, air channel is provided with controlled air inlet and gas outlet, first heat-exchange end air inlet of heat exchanger is communicated with drying room by air channel is controlled, second heat-exchange end air inlet of heat exchanger passes through the air inlet in the controlled connection drying room in air channel or air channel, second heat-exchange end gas outlet of heat exchanger is connected with the air inlet of condenser, the air inlet of evaporimeter is by the air inlet in controlled connection air channel, air channel or the gas outlet of heat exchanger first heat-exchange end.
As the improvement of technique scheme, the air inlet in described air channel is provided with switch gate, the gas outlet in air channel is provided with valve A, described valve A is provided with the A1 position being communicated with described evaporimeter and gas outlet, air channel, and the A2 position of gas outlet, shutoff air channel, valve B and valve D is provided with in air channel, described valve B is provided with the B1 position be communicated with evaporator air inlet by air channel air inlet, and by B2 position that air channel air inlet is communicated with the first heat-exchange end air inlet of heat exchanger, described valve is provided with the D1 position be communicated with drying room by the first heat-exchange end air inlet of heat exchanger, and by D2 position that the second heat-exchange end air inlet of heat exchanger is communicated with drying room.
As the further improvement of technique scheme, each valve described is all connected by PLC with compressor with evaporimeter, condenser.
Further, described evaporimeter is provided with the blower fan driving air-flow to flow from evaporator air inlet to gas outlet.
Further, the air channel in described drying room extends to the indoor side away from condenser.
Further, described evaporimeter is provided with the water trap for discharging condensate water.
The beneficial effects of the utility model are: native system only uses a set of heat pump, by switching the mode of current path, thus change the airflow circulating flow direction, thus easily realizing heating, dehumidifier and waste heat recovery Three models, it can greatly simplify drying system structure, the input of minimizing equipment, and be engaged in the heat exchanger of the heat exchange in advance of setting up between air evaporator and condenser, also effectively improve the recovery utilization rate of heat energy, greatly enhance dehumidifier effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is a kind of embodiment mounting structure schematic diagram of the present utility model;
Fig. 2 is the heating mode valve location schematic diagram of the utility model embodiment;
Fig. 3 is the waste heat recovery mode valve position view of the utility model embodiment;
Fig. 4 is the dehumidifier mode valve position view of the utility model embodiment.
Detailed description of the invention
With reference to Fig. 1, a kind of heat pump drying system with dehumidifier and Waste Heat Reuse of the present utility model, and changeable air channel, comprise compressor 1, condenser 4, evaporimeter 3, restricting element 2, and strengthen the heat exchanger 5 of dehumidifier effect and backheat effect, it is indoor that described condenser 4 is arranged on drying room 6, described compressor 1, restricting element 2 and evaporimeter 3 partition wall are arranged on outdoor or other position and are interconnected with refrigerant pipe and condenser 4, evaporimeter 3 and described heat exchanger 5 are arranged in controllable air channel 7, heat exchanger 5 is positioned at the hub location in air channel 7, air channel 7 is provided with at least two controlled air inlet/outlets, first heat-exchange end air inlet 51 of heat exchanger 5 is communicated with drying room 6 by air channel 7 is controlled, second heat-exchange end air inlet 53 of heat exchanger 5 is by the controlled air inlet connecting drying room 6 or air channel 7 respectively in air channel 7, second heat-exchange end gas outlet 54 of heat exchanger 5 is connected with the air inlet of condenser 4, the air inlet of evaporimeter 3 is by the controlled gas outlet 52 connecting the air inlet in air channel 7 or the first heat-exchange end of heat exchanger 5 respectively, air channel 7, drying room 6 indoor can form heated air stream circulation, then the heat that condenser 4 sends can be back to condenser 4 or heat exchanger 5 with air-flow through scattering and disappearing from drying room 6,
As a kind of preferred embodiment of above-mentioned embodiment, the air inlet in described air channel 7 is provided with switch gate C, the gas outlet in air channel 7 is provided with valve A, described valve A is provided with the A1 position being communicated with described evaporimeter 3 and gas outlet, air channel 7, and the A2 position of gas outlet, shutoff air channel 7, valve B and valve D is provided with in air channel 7, described valve B is provided with the B1 position be communicated with evaporimeter 3 air inlet by air channel 7 air inlet, and by B2 position that air channel 7 air inlet is communicated with the first heat-exchange end air inlet 51 of heat exchanger 5, described valve D is provided with the D1 position be communicated with drying room 6 by the first heat-exchange end air inlet 51 of heat exchanger 5, and by D2 position that the second heat-exchange end air inlet 53 of heat exchanger 5 is communicated with drying room 6, described evaporimeter 3 is provided with the blower fan driving air-flow to flow from evaporimeter 3 air inlet to gas outlet, and the air channel 7 in described drying room 6 extends to the indoor side away from condenser 4, and evaporimeter 3 lower end is provided with the water trap for discharging condensate water.In addition, each valve described is all connected by PLC with compressor 1 with evaporimeter 3, condenser 4, utilizes default programming or sensor sensing relevant parameter to realize automatic mode and controls, can improve efficiency and the effect of drying system better.
As shown in Figure 2, it is that tradition dries heating mode, and valve C opens, and valve A is positioned at A2 position, and valve B is positioned at B2 position, and valve D is positioned at D2 position, outdoor heat absorption: air enters from valve C, after evaporimeter 3 release heat, drains in air through valve A; Indoor circulation heats: gas absorbs after heat heats up further through condenser 4, flows through heating object release portion heat, then enters condenser 4 and absorb heat, and forms internal heating cycle; Refrigerant circulation: refrigerant, under compressor 1 acts on, flows through the heat release of indoor condenser 4, then through restricting element 2, absorbs heat, is then inhaled into compressor 1, form heat pump cycle in outdoor air evaporimeter 3.Thus by heat pump, absorb the heat of extraneous air, transfer in the air in drying room 6, now heat exchanger 5 does not play heat exchange effect in advance.
As shown in Figure 3, it is waste heat recovery pattern, and valve C opens, valve A is positioned at A2 position, and valve B is positioned at B1 position, and valve D is positioned at D1 position, when air is taken a breath in needs discharge drying room 6, efflux gas used heat is fully absorbed, and reenters heating indoor internal gas.Now, the heat exchanger 5 of heat exchange in advance plays the effect of strengthening recuperation of heat.Waste heat recovery circulates: a) air enters from valve C, flows through heat exchanger 5 and first carries out heat exchange with waste gas, and the laggard inner condenser 4 of entering the room of heat absorption intensification heats up further; B) after indoor high-temperature gas release portion heat, first carry out heat exchange via heat exchanger 5 and the air entered, then enter outdoor evaporator 3 heat release further, be finally discharged in air.
As shown in Figure 4, it is inner loop dehumidifier pattern, valve C closes, and valve A is positioned at A1 position, and valve B is positioned at B1 position, valve D is positioned at D1 position, by the switching of valve, the gas passed through first is lowered the temperature and heats up, cooling object water is condensed separate out, and discharge through runner, now heat exchanger 5 plays the effect of strengthening dehumidifier.Dehumidifier circulates: a) elutriation goes out, and first gas enter heat exchanger 5, and the gas after this and evaporative cooling carries out heat exchange, then enters evaporimeter 3 and lowers the temperature further, now has a large amount of condensate water and separates out; B) temperature is replied, separate out the cryogenic gas of water flow through heat exchanger 5 after identically with heating mode through condenser 4 first with absorb before the heat of moisture, the laggard inner condenser 4 of entering the room of heat absorption intensification heats up further, then enters in drying room 6.
As figure shows, in present embodiment, air channel 7 is the indoor structure arranging passage, it realizes the switching in air channel 7 with each valve of controlled transposition, above-mentioned dehumidifier pattern and waste heat recovery pattern in the form realization keeping other by being connected with gas outlet by the air inlet in air channel 7, thus omit the A1 position of valve C and valve A; By distortion, air channel 7 is set to duct type, can replace each valve above-mentioned by arranging corresponding reversal valve, and the air channel 7 in drying room 6 can be arbitrarily extended and without the need to changing doors structure.
The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within protection domain of the present utility model.

Claims (6)

1. the heat pump drying system with dehumidifier and Waste Heat Reuse, it is characterized in that: comprise compressor, condenser, restricting element, evaporimeter, and strengthen the heat exchanger of dehumidifier effect and backheat effect, described compressor, condenser, restricting element and evaporimeter are interconnected by refrigerant pipe, condenser is arranged in a drying room, evaporimeter and described heat exchanger are arranged in controllable air channel, air channel is provided with controlled air inlet and gas outlet, first heat-exchange end air inlet of heat exchanger is communicated with drying room by air channel is controlled, second heat-exchange end air inlet of heat exchanger passes through the air inlet in the controlled connection drying room in air channel or air channel, second heat-exchange end gas outlet of heat exchanger is connected with the air inlet of condenser, the air inlet of evaporimeter is by the air inlet in controlled connection air channel, air channel or the gas outlet of heat exchanger first heat-exchange end.
2. a kind of heat pump drying system with dehumidifier and Waste Heat Reuse according to claim 1, it is characterized in that: the air inlet in described air channel is provided with switch gate, the gas outlet in air channel is provided with valve A, described valve A is provided with the A1 position being communicated with described evaporimeter and gas outlet, air channel, and the A2 position of gas outlet, shutoff air channel, valve B and valve D is provided with in air channel, described valve B is provided with the B1 position be communicated with evaporator air inlet by air channel air inlet, and by B2 position that air channel air inlet is communicated with the first heat-exchange end air inlet of heat exchanger, described valve is provided with the D1 position be communicated with drying room by the first heat-exchange end air inlet of heat exchanger, and by D2 position that the second heat-exchange end air inlet of heat exchanger is communicated with drying room.
3. a kind of heat pump drying system with dehumidifier and Waste Heat Reuse according to claim 2, is characterized in that: each valve described is all connected by PLC with compressor with evaporimeter, condenser.
4. a kind of heat pump drying system with dehumidifier and Waste Heat Reuse according to claim 1, is characterized in that: described evaporimeter is provided with the blower fan driving air-flow to flow from evaporator air inlet to gas outlet.
5. a kind of heat pump drying system with dehumidifier and Waste Heat Reuse according to claim 1, is characterized in that: the air channel in described drying room extends to the indoor side away from condenser.
6. a kind of heat pump drying system with dehumidifier and Waste Heat Reuse according to claim 1, is characterized in that: described evaporimeter is provided with the water trap for discharging condensate water.
CN201520868907.XU 2015-10-30 2015-10-30 Heat pump drying system wet and waste heat utilization is taken out in area Active CN205119755U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520868907.XU CN205119755U (en) 2015-10-30 2015-10-30 Heat pump drying system wet and waste heat utilization is taken out in area

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Application Number Priority Date Filing Date Title
CN201520868907.XU CN205119755U (en) 2015-10-30 2015-10-30 Heat pump drying system wet and waste heat utilization is taken out in area

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222566A (en) * 2015-10-30 2016-01-06 江门市达能环保节能科技有限公司 A kind of heat pump drying system with dehumidifier and Waste Heat Reuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105222566A (en) * 2015-10-30 2016-01-06 江门市达能环保节能科技有限公司 A kind of heat pump drying system with dehumidifier and Waste Heat Reuse

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