CN105066665A - Heat recovery heat pump device of drying room - Google Patents
Heat recovery heat pump device of drying room Download PDFInfo
- Publication number
- CN105066665A CN105066665A CN201510433283.3A CN201510433283A CN105066665A CN 105066665 A CN105066665 A CN 105066665A CN 201510433283 A CN201510433283 A CN 201510433283A CN 105066665 A CN105066665 A CN 105066665A
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- air
- drying room
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- heat recovery
- heat
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat 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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- 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 invention relates to a heat recovery heat pump device of a drying room. The heat recovery heat pump device comprises the drying room, a drying room circulation air flue, an air return flue communicated with the drying room circulation air flue, an air exhaust flue communicated with the air return flue, an air return draught fan in the air return flue, an air exhaust draught fan in the air exhaust flue, an air heat recovery device arranged at the intersection of the air return flue and the air exhaust flue, and at least one heat pump unit. Each heat pump unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected in series through pipes. The condensers are arranged in the air return flue and the evaporators are arranged in the air exhaust flue. The air heat recovery device comprises an air return runner and a fresh air runner. Because sensible heat and latent heat contained in high-humidity air exhausted out of the drying room are recovered to the maximum extent, full energy conservation of a drying device is achieved.
Description
Technical field
The present invention relates to a kind of heat pump assembly, be specifically related to a kind of heat pump assembly with heat recovery function.
Background technology
Dry (oven dry) operation is the indispensable basic production link of large quantities of industrial and agricultural products, also be big power consumer simultaneously, the drying operation energy used accounts for about 12% of my national economy total energy consumption according to statistics, and the pollution simultaneously adopting primary energy to provide the dry run of drying energy to cause is again the important sources of environmental pollution.At present, most dry run adopts the mode etc. such as coal, oil, natural gas, water vapour, electrical heating to provide required heat energy, and apply although heat pump mode obtains in dry industry gradually as the product of energy-conserving and environment-protective, application percentage is also little; Especially traditional drying device is mainly simply by the wet and dehumidifying with the control realizing drying room in air of the humid air after discharging heating (many barns mainly rely on skylight, the valve of wind-tunnel carry out regulating and controlling humidity), wasting (heat exhaustion in drying course is in fact mostly for evaporation, the vaporization of material moisture) along with a large amount of heat energy in hydrofuge process, therefore existing drying device also also exists the huge energy saving space in drying course.
Summary of the invention
The technical problem to be solved in the present invention is: the deficiency utilizing aspect for existing dry industry energy regenerating, a kind of Heat Pump retracting device is provided, maximized recovery is carried out in conjunction with to sensible heat contained in the highly humid air of discharging in drying room and latent heat, fully to reduce the primary energy supply of dry run, thus realize the fully energy-conservation of drying device.
The present invention designs and adopts following scheme for this reason:
A kind of drying room heat recovery heat pump device, comprise drying room and drying room circulation air path, also comprise the return airway be communicated with described drying room circulation air path, the wind output channel be communicated with return airway, be arranged at the return air fan in return airway, be arranged at the exhaust fan in wind output channel, be arranged at the air heat recovery device of the intersection of return airway and wind output channel, and at least a set of source pump; Source pump described arbitrarily comprises compressor, condenser, expansion valve, the evaporimeter of being connected by pipeline successively; Described condenser is placed in return airway, and evaporimeter is placed in wind output channel; Described air heat recovery device comprises return air runner and new distinguished and admirable road, and the import of described return air runner is communicated with return airway, and the outlet of return air runner is communicated with wind output channel; The import in described new distinguished and admirable road is communicated with air, and the outlet in new distinguished and admirable road is communicated with return airway.
Preferably, described source pump be two covers above time, the condenser in each cover source pump is along return air flow direction order arrangement in return airway, and evaporimeter reverses along air draft flow direction in wind output channel.
Preferably, the air port, upstream that the import of described return airway and drying room circulation air path air flow move direction is adjacent, and the air port, downstream that the outlet of return airway and drying room circulation air path air flow move direction is adjacent.
Preferably, described air heat recovery device is heat recovering device.
Preferably, described heat recovering device is plate type heat exchanger, heat-pipe heat exchanger.
Beneficial effect of the present invention is:
The present invention has set up source pump outside existing drying room circulation air path, the heat recovery heat pump device that ducting system and air heat recovery device are combined to form, utilize air heat recovery device to discharge High Temperature Moist Air to drying room and mainly carry out the new wind air of Exposure degree preheating simultaneously to reduce energy resource consumption, and be recovered the air of sensible heat close to saturated air state, now through heat pump refrigeration system evaporimeter, wherein contained latent heat is recycled again again, effectively reduce the energy (coal of usual drying processes, oil, natural gas, water vapour, electrical heating etc.) consume, energy-saving effect is remarkable.
Because nearly all existing oven dry occasion all needs to change wind damping process, and heat pump assembly of the present invention can be implemented in original drying system do very little change (add air duct joint, hydrofuge, ventilation blower fan change in heat pump assembly) when directly added application, repacking is simple, input cost is lower, have and promote applicability preferably, can energy-conserving action be given full play to.
Accompanying drawing explanation
Be described further with regard to the specific embodiment of the present invention below in conjunction with accompanying drawing, wherein:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
With reference to a kind of drying room heat recovery heat pump device shown in Fig. 1, comprise drying room 12 and drying room circulation air path 13, be provided with drying room thermal circulation fan 10 in drying room circulation air path 13 and be provided with drying room heater 11 in contiguous location of air supply inlet.
Also comprise the return airway 26 be communicated with drying room circulation air path 13, the wind output channel 25 be communicated with return airway 26, be arranged at the air heat recovery device 4 of the intersection of return airway 26 and wind output channel 25, and source pump.
Source pump comprises compressor 1, condenser 2, device for drying and filtering 6, expansion valve 5, evaporimeter 3, the gas-liquid separator 7 of being connected by pipeline successively; Condenser 2 is placed in the outlet 22 of contiguous return airway 26 in return airway 26, and export 22 places and be also provided with return air fan 2a, evaporimeter 3 is placed in wind output channel 25, with evaporimeter 3 adjacent position, exhaust fan 3a is also housed in wind output channel 25.
Source pump in the present embodiment is a set of, also the parallel connection of many cover source pump can be adopted to use, because the heat in drying room air draft is mainly present in steam wherein, temperature of outgoing air is high, high humidity, then contained heat is many, in order to fully reclaim heat, need employing two to overlap if desired or two cover above source pump parallel connection mode; In order to safe operation and guaranteed efficiency, when using the two above source pump of cover, the condenser of each cover source pump is along return air flow direction order arrangement in return airway, and evaporimeter reverses along air draft flow direction in wind output channel.
Shown in the wind direction arrow in Fig. 1, the air port, upstream that import 21 and drying room circulation air path 13 air flow of return airway 26 move direction is disposed adjacent, and the air port, downstream that outlet 22 and drying room circulation air path 13 air flow of return airway 26 move direction is disposed adjacent.
Air heat recovery device 4 is as the exchange hinge of return airway 26 with the new wind of wind output channel 25 and outdoor, air heat recovery device 4 comprises return air runner and new distinguished and admirable road, the import of return air runner is communicated with return airway 26, and the outlet of return air runner is communicated with wind output channel 25; The import in described new distinguished and admirable road is communicated with air by fresh inlet 24, and the outlet in new distinguished and admirable road is communicated with return airway 26.
Air heat recovery device 4 is heat recovering device, can be plate type heat exchanger, heat-pipe heat exchanger or and other form.
This device course of work is as follows:
Whether opened by the exhaust fan 3a in control system monitoring wind output channel 25, and the humiture state of the air draft when opening, exhaust fan 3a controls by baking room temperature humidity index, and drying room humidity does not exceed standard not have unlatching to show, does not need hydrofuge.Once exhaust fan 3a opens, and drying room heater 11 is in heated condition, shows that now heat recovery heat pump device is devoted oneself to work and just had energy-saving significance.
Now open heat recovery heat pump device, cold-producing medium is compressed into after high temperature and high pressure gas through compressor 1 and enters condensation heat release in condenser 2, liberated heat aspirates the return air of drying room circulation air path 13 by return air fan 2a, to its heating, the return air of heat returns drying room circulation air path 13, drying room 12 is sent in heating again through drying room heater 11, thus the corresponding heat that adds that can reduce heater 11 (the unlatching size of heater 11 controls by drying room space temperature or wind pushing temperature height, high by the air themperature heated, required heating power just corresponding reduction in theory), or accelerate the process of drying.
Cold-producing medium in condenser 2 formed after heat release highly pressurised liquid successively by device for drying and filtering 6 enter expansion valve 5 throttling formed Low temperature low pressure liquid enter evaporimeter 3, cold-producing medium absorbs heat evaporation from wind output channel 25, then gets back to compressor 1 through gas-liquid separator 7 and completes circulation.As long as the Temperature and Humidity value of the outlet 23 of wind output channel 25 is higher than setting humiture, heat recycle process can proceed.
At the air heat recovery device 4 of return airway 26 and wind output channel 25 intersection, directly reclaim the part sensible heat that drying room 12 is vented, alleviated the recovery burden of evaporimeter 3, improve total yield.
General drying room 12 is in the course of the work except into and out of except air port, and other all can be in sealing state by opening device, drying room hydrofuge air port, enters fresh wind port and concentrates and be open on drying room circulation air path 13.And in the present embodiment, the hydrofuge air port of corresponding function, enter that fresh wind port is all equivalent to be arranged on heat recovery heat pump device; The hydrofuge wind of drying room directly takes out the import 21 from return airway 26, absorbs sensible heat by air heat recovery device 4; New wind from fresh inlet 24 suck after, heated after and hydrofuge wind merge in return airway 26, enter drying room circulation air path 13 by the outlet 22 of return airway 26 together, finally enter in drying room 12; Air pressure due to drying room 12 is substantially constant at an atm higher (or slightly larger than an atmospheric pressure), and moisture discharge rate also can equal new wind magnitude of recruitment substantially, does not need to arrange new blower fan specially, as long as the air quantity of return air fan 2a, pressure parameter are applicable to.
Because the Energy Efficiency Ratio of heat pump is high, reclaim heat effective, serve the effect of energy-saving and emission-reduction; Refrigeration system (source pump), circulating refrigerant by drying room air circulating temperature level height, should select circulating pressure and the suitable cold-producing medium of performance, to give full play to the heating performance of heat pump and to improve safety in operation.
The above; be only the better detailed description of the invention of the present invention, but scope is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore scope is as the criterion with the protection domain of claims.
Claims (4)
1. a drying room heat recovery heat pump device, comprise drying room and drying room circulation air path, it is characterized in that, also comprise the return airway be communicated with described drying room circulation air path, the wind output channel be communicated with return airway, is arranged at the return air fan in return airway, is arranged at the exhaust fan in wind output channel, be arranged at the air heat recovery device of the intersection of return airway and wind output channel, and at least a set of source pump; Source pump described arbitrarily comprises compressor, condenser, expansion valve, the evaporimeter of being connected by pipeline successively; Described condenser is placed in return airway, and evaporimeter is placed in wind output channel; Described air heat recovery device comprises return air runner and new distinguished and admirable road, and the import of described return air runner is communicated with return airway, and the outlet of return air runner is communicated with wind output channel; The import in described new distinguished and admirable road is communicated with air, and the outlet in new distinguished and admirable road is communicated with return airway.
2. a kind of drying room heat recovery heat pump device according to claim 1, it is characterized in that, described source pump be two covers above time, the condenser in each cover source pump is along return air flow direction order arrangement in return airway, and evaporimeter reverses along air draft flow direction in wind output channel.
3. a kind of drying room heat recovery heat pump device according to claim 1, it is characterized in that, the air port, upstream that the import of described return airway and drying room circulation air path air flow move direction is adjacent, and the air port, downstream that the outlet of return airway and drying room circulation air path air flow move direction is adjacent.
4. a kind of drying room heat recovery heat pump device according to claim 1, is characterized in that, described air heat recovery device is heat recovering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433283.3A CN105066665A (en) | 2015-07-22 | 2015-07-22 | Heat recovery heat pump device of drying room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433283.3A CN105066665A (en) | 2015-07-22 | 2015-07-22 | Heat recovery heat pump device of drying room |
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| Publication Number | Publication Date |
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| CN105066665A true CN105066665A (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510433283.3A Pending CN105066665A (en) | 2015-07-22 | 2015-07-22 | Heat recovery heat pump device of drying room |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352671A (en) * | 2016-08-26 | 2017-01-25 | 安徽尧龙竹木制品有限公司 | Energy-saving heated air circulation drying room |
| CN106369959A (en) * | 2016-11-09 | 2017-02-01 | 湘潭大学 | Air energy heat pump agricultural product drying device |
| CN106766730A (en) * | 2017-01-24 | 2017-05-31 | 王峰云 | A kind of Two-way Cycle effective driers with hydrofuge function |
| CN107036403A (en) * | 2017-05-24 | 2017-08-11 | 广东澳德绅电器科技有限公司 | A kind of air can circulate baking room |
| CN108759330A (en) * | 2018-03-09 | 2018-11-06 | 广州市集木蓄能技术开发有限公司 | A kind of air source drying equipment |
| CN108895808A (en) * | 2018-07-12 | 2018-11-27 | 河南佰衡节能科技股份有限公司 | Heat pump air centralized processing type vermicelli drying device |
| CN109553270A (en) * | 2018-12-06 | 2019-04-02 | 江苏天舒电器有限公司 | A kind of pump type heat enclosed sludge drying system and its control method |
| CN109827421A (en) * | 2019-03-18 | 2019-05-31 | 青岛创客机械设备制造有限公司 | A kind of superhigh temperature industrial heat pump drying unit |
| CN109870020A (en) * | 2019-03-28 | 2019-06-11 | 云南农业大学 | A kind of dry total heat recovery equipment of coffee bean |
| CN110849104A (en) * | 2019-11-20 | 2020-02-28 | 攀枝花钢城集团瑞通制冷设备有限公司 | Mineral powder drying device |
| CN111219955A (en) * | 2019-12-13 | 2020-06-02 | 上海伯涵热能科技有限公司 | Outer-discharging-type double-effect drying heat pump unit |
| CN113899188A (en) * | 2021-11-11 | 2022-01-07 | 广东海悟科技有限公司 | Drying production line and control method thereof |
| CN113945086A (en) * | 2021-10-15 | 2022-01-18 | 青岛海尔空调电子有限公司 | Method and device for controlling heat pump dryer, electronic equipment and storage medium |
-
2015
- 2015-07-22 CN CN201510433283.3A patent/CN105066665A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352671A (en) * | 2016-08-26 | 2017-01-25 | 安徽尧龙竹木制品有限公司 | Energy-saving heated air circulation drying room |
| CN106352671B (en) * | 2016-08-26 | 2019-04-09 | 安徽尧龙竹木制品有限公司 | The energy-saving drying chamber of hot air circulation |
| CN106369959A (en) * | 2016-11-09 | 2017-02-01 | 湘潭大学 | Air energy heat pump agricultural product drying device |
| CN106766730A (en) * | 2017-01-24 | 2017-05-31 | 王峰云 | A kind of Two-way Cycle effective driers with hydrofuge function |
| CN107036403A (en) * | 2017-05-24 | 2017-08-11 | 广东澳德绅电器科技有限公司 | A kind of air can circulate baking room |
| CN107036403B (en) * | 2017-05-24 | 2023-08-18 | 广东澳德绅电器科技有限公司 | Air can circulate stoving room |
| CN108759330A (en) * | 2018-03-09 | 2018-11-06 | 广州市集木蓄能技术开发有限公司 | A kind of air source drying equipment |
| CN108895808A (en) * | 2018-07-12 | 2018-11-27 | 河南佰衡节能科技股份有限公司 | Heat pump air centralized processing type vermicelli drying device |
| CN109553270B (en) * | 2018-12-06 | 2021-11-26 | 江苏天舒电器有限公司 | Heat pump type closed sludge drying system and control method thereof |
| CN109553270A (en) * | 2018-12-06 | 2019-04-02 | 江苏天舒电器有限公司 | A kind of pump type heat enclosed sludge drying system and its control method |
| CN109827421A (en) * | 2019-03-18 | 2019-05-31 | 青岛创客机械设备制造有限公司 | A kind of superhigh temperature industrial heat pump drying unit |
| CN109827421B (en) * | 2019-03-18 | 2023-11-24 | 青岛创客机械设备制造有限公司 | Superhigh temperature industry heat pump drying device |
| CN109870020A (en) * | 2019-03-28 | 2019-06-11 | 云南农业大学 | A kind of dry total heat recovery equipment of coffee bean |
| CN110849104A (en) * | 2019-11-20 | 2020-02-28 | 攀枝花钢城集团瑞通制冷设备有限公司 | Mineral powder drying device |
| CN111219955A (en) * | 2019-12-13 | 2020-06-02 | 上海伯涵热能科技有限公司 | Outer-discharging-type double-effect drying heat pump unit |
| CN113945086A (en) * | 2021-10-15 | 2022-01-18 | 青岛海尔空调电子有限公司 | Method and device for controlling heat pump dryer, electronic equipment and storage medium |
| CN113899188A (en) * | 2021-11-11 | 2022-01-07 | 广东海悟科技有限公司 | Drying production line and control method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |