CN208620663U - A kind of energy saving heat pump device with efficient waste heat recovery function - Google Patents
A kind of energy saving heat pump device with efficient waste heat recovery function Download PDFInfo
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- CN208620663U CN208620663U CN201821224734.8U CN201821224734U CN208620663U CN 208620663 U CN208620663 U CN 208620663U CN 201821224734 U CN201821224734 U CN 201821224734U CN 208620663 U CN208620663 U CN 208620663U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a kind of energy saving heat pump devices with efficient waste heat recovery function, it is characterized by comprising blower, air supply tube, backwind tube, heat exchanger and thermal circulation mechanisms, thermal circulation mechanism is the closed loop being connected in sequence by evaporator, condenser, compressor by pipeline, and closed loop is circulated for working fluid；Air supply tube is sequentially connected heat exchanger, condenser, blower according to the conveying direction of fresh air；Backwind tube is sequentially connected heat exchanger, evaporator according to the conveying direction of return air.This energy saving heat pump device can be improved the recovery efficiency of waste heat, and the energy consumption of heat supply needed for heat dries equipment is greatly lowered.
Description
Technical field
The utility model relates to a kind of heat pump assembly more particularly to a kind of energy saving heat pumps with efficient waste heat recovery function
Device.
Background technique
In the industries such as packaging, printing, coating, one of them necessary production link is to carry out hot baking to product, makes to produce
Ink, coating, colloid on product etc. are dry.The dry process of heat drying, which is generallyd use, conveys hot wind by blower, through air supply tube
Drying equipment is dried into corresponding heat, then will be discharged containing the hot wind of waste heat exhaust gas by air-exhausting duct.
Currently, used hot wind during heat drying is dry, is usually carried out outdoor fresh air by air-heater
Heating, and hot blast temperature needed for heat dries equipment is typically much higher than new air temperature, relatively common most low-heat dries desired heat
Air temperature is at least also required to reach 80 DEG C, and the outside air temperature of production environment is usually at 30 DEG C hereinafter, in this way due to hot wind
There are the biggish temperature difference between fresh air, and therefore, it is necessary to keep prolonged heating, pole to the fresh air continually entered in production
Big raising production energy consumption.
On the other hand, the exhaust gas for drying equipment discharge through overheat usually has certain waste heat, for certain middle-size and small-size productions
For enterprise, processing and utilization if waste heat direct emission will cause environmental pollution, but to waste heat are also required to spend certain
Production cost, and the processing approach of waste heat is few, treatment effeciency is not also high.
Summary of the invention
The problem to be solved by the utility model is to provide a kind of energy saving heat pump device with efficient waste heat recovery function,
This energy saving heat pump device can be improved the recovery efficiency of waste heat, and the energy consumption of heat supply needed for heat dries equipment is greatly lowered.Using
Technical solution it is as follows:
A kind of energy saving heat pump device with efficient waste heat recovery function, it is characterised in that: including blower, air supply tube, return
Air hose, heat exchanger and thermal circulation mechanism, thermal circulation mechanism are to be sequentially connected by evaporator, condenser, compressor by pipeline
Made of closed loop, closed loop circulates for working fluid；Air supply tube is sequentially connected heat according to the conveying direction of fresh air
Exchanger, condenser, blower；Backwind tube is sequentially connected heat exchanger, evaporator according to the conveying direction of return air.
The starting point of above-mentioned air supply tube is fresh air inlet, and the end of above-mentioned air supply tube is air outlet, air outlet with docked
Heat dry equipment air inlet be connected；The starting point of above-mentioned backwind tube is return air inlet, and return air inlet is dried with the heat docked
The air outlet of equipment is connected, and the end of above-mentioned backwind tube is the final discharge outlet of exhaust gas.
Above-mentioned heat exchanger, condenser and evaporator are equipped with first medium entrance, first medium exports, second medium enters
Mouth and second medium entrance；Fresh air is conveyed into heat exchange from the starting point of air supply tube according to the conveying direction of fresh air by air supply tube
Then the first medium entrance of device is separately connected the first medium entrance, cold of the first medium outlet and condenser of heat exchanger
Air outlet and the air inlet for docking hot baking equipment of the first medium outlet of condenser and the air inlet of blower, blower, make fresh air
It is ultimately delivered to docked heat and dries equipment；Backwind tube is separately connected according to the conveying direction of return air and docks going out for heat baking equipment
The first medium entrance of the second medium outlet and evaporator of the second medium entrance of air port and heat exchanger, heat exchanger, most
Return air is transported to the end of backwind tube from the outlet of the second medium of evaporator afterwards and then is discharged；The second medium entrance of condenser
It is connect with the media outlet of compressor, the second medium outlet of condenser is connect with the second medium entrance of evaporator, evaporator
Second medium outlet connect with the medium inlet of compressor, to form above-mentioned closed loop.
Above-mentioned thermal circulation mechanism is to be connected in sequence by evaporator, condenser and compressor for working fluid recycle stream
Dynamic closed loop, evaporator absorb outside heat, low-temp low-pressure working fluid heats are evaporated to the gas shape of high-temperature low-pressure
State, is then converted to the gaseous state of high temperature and pressure by compressor, and the working fluid of high temperature and pressure discharges when passing through condenser
Heat, while the liquid condition of low-temp low-pressure is converted to, it again flows into evaporator and carries out subsequent cycle.
Fresh air (temperature is usually ambient temperature) is sent into this energy conservation heat pump assembly from the external world and is conveyed along air supply tube, passes through
Heat exchanger absorbs return air partial heat and heats up, and further rises using the heat that absorptive condenser when condenser discharges
Temperature, the fresh air after heating are sent into heat by blower and dry equipment, and heat supply dries equipment and works；The return air that heat dries equipment discharge has
Waste heat when return air is through over-heat-exchanger, occurs heat exchange with the fresh air of subsequent feeding, passes through heat a part of return air institute band
Heat exchange passes to the fresh air of subsequent feeding, and complete return air another part heat after heat exchange then using when evaporator by
Evaporator is absorbed, so that the exhaust gas temperature being finally discharged is close to ambient temperature.
Since in the closed loop of thermal circulation mechanism, the heat that evaporator is absorbed is all from the waste heat of institute's band in return air,
It does not need to be additionally provided heat source to evaporator, and working fluid is compressed into high pressure by low pressure by compressor, passes through working fluid
Discharge amount of heat when crossing condenser, thus make fresh air it is heated be warming up to can heat supply dry the temperature that equipment uses.With fresh air
The continuous discharge with return air is constantly flowed into, one side fresh air and return air constantly carry out heat exchange, another party in a heat exchanger
Face thermal circulation mechanism constantly passes through condenser and discharges heat to fresh air, preheats to the fresh air of input, greatly reduces heat
The energy consumption of heat supply needed for drying equipment.On the one hand waste heat in return air passes through heat exchanger and exchanges to subsequent fresh air, on the other hand
As the heat source of evaporator in thermal circulation mechanism, the recovery efficiency of waste heat is also improved, keeps the utilization of waste heat more abundant.
Above-mentioned blower, heat exchanger, evaporator, condenser, compressor are existing usual means.
The heat exchanger core of above-mentioned heat exchanger can be used the stronger material of heat exchange performance and be made, such as aluminium foil etc..
In addition, the quantity of above-mentioned thermal circulation mechanism can be adjusted according to actual production, it is same that a plurality of closed loop can be used
When work, with meet it is different heat dry equipment heat use demands.
Also settable pressure regulator valve between above-mentioned condenser and evaporator reduces pressure when working fluid enters evaporator.
As a preferred embodiment of the present invention, it is additionally provided with and is used on the closed loop between the evaporator and compressor
The gas-liquid separator of gas-liquid separation is carried out to the working fluid.When passing through evaporator due to the working fluid of liquid, return air
Waste heat heat may not be enough to working fluid and be gasified totally, so that working fluid is in gas-liquid mixed after through evaporator
The state of body.Gas-liquid separator is added between evaporator and compressor, and working fluid is made to carry out gas before entering compressor
Liquid separation, the gaseous working fluid isolated is directly entered compressor, and the working fluid of liquid then rests on gas-liquid separator
The spontaneous vaporization of middle progress slowly.Gas-liquid separator is also existing usual means.
As the further preferred embodiment of the utility model, the working fluid circulated in the thermal circulation mechanism is low
The refrigerant of boiling point, strong compressibility.Use low boiling point, strong compressibility refrigerant as working fluid, on the one hand improve compression
The working efficiency of machine, on the other hand low-boiling working fluid gasifies in evaporator, and institute's calorific requirement is less, and return air is handed over through overheat
Remaining waste heat can meet the heat demand of its evaporation gasification after parallel operation.In addition, the refrigerant also can be used using the longevity
Long environmentally friendly refrigerant is ordered, such as by 50%R32(difluoromethane) and 50%R125(pentafluoroethane) mix refrigerant that forms
R410A, use cost is well below traditional electric heating or the cost heated with coal.
The utility model compared with prior art, has the advantages that
There is the utility model the energy saving heat pump device of efficient waste heat recovery function to use by evaporator, condenser and compression
Machine is in turn connected into the closed loop circulated for working fluid as thermal circulation mechanism, passes through the heat exchange of return air and fresh air
Carry out the preliminary recycling of the preliminary heating and return air waste heat of fresh air, then by the condenser in thermal circulation mechanism heat release to fresh air into
The row recycling again of heating, the heat absorption of evaporator to return air waste heat again, preheats the fresh air of input, on the one hand can be big
The big energy consumption for reducing heat supply needed for heat dries equipment, on the other hand can be improved the recovery efficiency of waste heat.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preferred embodiments of the present invention, wherein each mark are as follows:
A fresh air flow direction；B return air flow direction；C working fluid flow direction；1 air supply tube；2 backwind tubes；The pipeline of 3 closed loops；4 heat
Exchanger；5 blowers；6 condensers；7 evaporators；8 compressors；9 heat dry equipment；10 pressure regulator valves；11 gas-liquid separators；401 heat are handed over
The first medium entrance of parallel operation；The first medium of 402 heat exchangers exports；The second medium entrance of 403 heat exchangers；404 heat
The second medium of exchanger exports；501 fans entrances；502 fan outlets；The first medium entrance of 601 condensers；602 condensations
The first medium of device exports；The second medium entrance of 603 condensers；The second medium of 604 condensers exports；701 evaporators
First medium entrance；The first medium of 702 evaporators exports；The second medium entrance of 703 evaporators；The second of 704 evaporators
Media outlet；The medium inlet of 801 compressors；The media outlet of 802 compressors；901 heat dry the air inlet of equipment；902 heat are dried
The air outlet of equipment.
Specific embodiment
It is described further with reference to the accompanying drawing with preferred embodiments of the present invention.
As shown in Figure 1, a kind of energy saving heat pump device with efficient waste heat recovery function, including air supply tube 1, backwind tube 2,
Heat exchanger 4, blower 5 and thermal circulation mechanism, thermal circulation mechanism be by condenser 6, evaporator 7, compressor 8 by pipeline 3 according to
The secondary closed loop being formed by connecting, closed loop are circulated for working fluid, and working fluid is in pipeline 3 along conveying direction C
Flowing；The working fluid circulated in thermal circulation mechanism can be used low boiling point, strong compressibility refrigerant, it is preferable to use the service life
Long environmentally friendly refrigerant, such as by 50%R32(difluoromethane) and 50%R125(pentafluoroethane) the mix refrigerant R410A that forms；
Air supply tube 1 is sequentially connected heat exchanger 4, condenser 6, blower 5 and the heat docked according to the conveying direction A of fresh air
Equipment 9 is dried, the starting point of air supply tube 1 is fresh air inlet, and fresh air is conveyed into the of heat exchanger 4 from the starting point of air supply tube 1
Then one medium inlet 401 is separately connected first medium outlet 402 and the first medium entrance of condenser 6 of heat exchanger 4
601, the first medium outlet 602 of condenser 6 is set with the air outlet 502 of the air inlet 501 of blower 5, blower 5 with heat baking is docked
Standby 9 air inlet 901 makes fresh air be ultimately delivered to docked heat and dries equipment 9；
Backwind tube 2 is sequentially connected docked heat according to the conveying direction B of return air and dries equipment 9, heat exchanger 4, evaporator
7, specially it is separately connected second medium entrance 403, the heat exchange for docking the air outlet 902 and heat exchanger 4 of heat baking equipment 9
Second medium outlet 404 and the first medium entrance 701 of evaporator 7 of device 4, finally by return air from the second medium of evaporator 7
Outlet 702 is transported to the end of backwind tube 2 and then is discharged；
In the closed loop of thermal circulation mechanism, the second medium entrance 603 of condenser 6 and the media outlet of compressor 8
The second medium outlet 604 of 802 connections, condenser 6 is connect with the second medium entrance 703 of evaporator 7, and the second of evaporator 7
Media outlet 704 is connect with the medium inlet 801 of compressor 8；Closed loop between condenser 6 and evaporator 7, which is equipped with, to be used
The pressure regulator valve 10 of pressure when reducing working fluid and entering evaporator, sets on the closed loop between evaporator 7 and compressor 8
There is the gas-liquid separator 11 for carrying out gas-liquid separation to working fluid.
Above-mentioned heat exchanger 4, blower 5, condenser 6, evaporator 7, compressor 8, pressure regulator valve 10, gas-liquid separator 11 are adopted
With existing usual means；The heat exchanger core of heat exchanger 4 can be used the stronger material of heat exchange performance and be made, such as aluminium foil
Deng；The quantity of thermal circulation mechanism can be adjusted according to actual production, and a plurality of closed loop can be used and work at the same time, to meet not
The heat use demand of equipment is dried with heat.
In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not
Together, all equivalent or simple changes done according to structure, feature and principle described in the concept of the patent of the utility model are included in this
In the protection scope of utility model patent.Those skilled in the art of the present invention can be to described specific reality
Example is applied to do various modifications or additions or be substituted in a similar manner, structure without departing from the utility model or
Beyond the scope defined by this claim, it all should belong to the protection range of the utility model.
Claims (2)
1. a kind of energy saving heat pump device with efficient waste heat recovery function, it is characterised in that: including blower, air supply tube, return air
Pipe, heat exchanger and thermal circulation mechanism, thermal circulation mechanism are to be sequentially connected by evaporator, condenser, compressor by pipeline
At closed loop, closed loop circulates for working fluid；Air supply tube is sequentially connected hot friendship according to the conveying direction of fresh air
Parallel operation, condenser, blower；Backwind tube is sequentially connected heat exchanger, evaporator according to the conveying direction of return air.
2. energy saving heat pump device described in accordance with the claim 1, it is characterised in that: the closed loop between the evaporator and compressor
The gas-liquid separator for carrying out gas-liquid separation to the working fluid is additionally provided on circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224734.8U CN208620663U (en) | 2018-08-01 | 2018-08-01 | A kind of energy saving heat pump device with efficient waste heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821224734.8U CN208620663U (en) | 2018-08-01 | 2018-08-01 | A kind of energy saving heat pump device with efficient waste heat recovery function |
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| Publication Number | Publication Date |
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| CN208620663U true CN208620663U (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821224734.8U Active CN208620663U (en) | 2018-08-01 | 2018-08-01 | A kind of energy saving heat pump device with efficient waste heat recovery function |
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| CN (1) | CN208620663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577272A (en) * | 2021-01-07 | 2021-03-30 | 钟学能 | Air energy heat pump drying system with dehumidification and drying functions |
| CN113758226A (en) * | 2021-09-13 | 2021-12-07 | 南昌航空大学 | Dryer tail gas waste heat recovery device, dryer and waste heat recovery method |
-
2018
- 2018-08-01 CN CN201821224734.8U patent/CN208620663U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112577272A (en) * | 2021-01-07 | 2021-03-30 | 钟学能 | Air energy heat pump drying system with dehumidification and drying functions |
| CN113758226A (en) * | 2021-09-13 | 2021-12-07 | 南昌航空大学 | Dryer tail gas waste heat recovery device, dryer and waste heat recovery method |
| CN113758226B (en) * | 2021-09-13 | 2022-09-27 | 南昌航空大学 | Dryer tail gas waste heat recovery device, dryer and waste heat recovery method |
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