CN204346019U - Using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port - Google Patents
Using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port Download PDFInfo
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- CN204346019U CN204346019U CN201420751711.8U CN201420751711U CN204346019U CN 204346019 U CN204346019 U CN 204346019U CN 201420751711 U CN201420751711 U CN 201420751711U CN 204346019 U CN204346019 U CN 204346019U
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Abstract
The utility model discloses a kind of air source heat pump drying room using evaporimeter air inlet as drying room fresh wind port, comprise air source heat pump, drying room and air-to-air total heat exchanger, the casing of described air source heat pump is divided into the first inner chamber and the second inner chamber.Under condenser fan effect, the circulated air heating of relative close type ground is formed to drying room when self closing door is closed; When in drying room, material is warmed up to uniform temperature, when humidity increases, self closing door is opened using evaporimeter air inlet as drying room fresh wind port.The utility model arranges with overall system architecture and after evaporator heat exchange, cold wind is utilized as basis, with the opening and closing of self closing door for switch condition, has innovated the drying materials mode that dehumidifying, hydrofuge carry out simultaneously, has achieved the organic composite of multiple-working mode; Automatically, flexibly, easily can change entire system functional trend, meet the needs that the difference in drying materials each stage is even conflicting; The significantly raising of Energy Efficiency Ratio and drying materials speed can be taken into account simultaneously; Save equipment investment.
Description
Technical field
The utility model relates to a kind of air source heat pump drying room for drying materials.
Background technology
Drying materials is generally using air as heat medium, with higher than or heat energy apparently higher than temperature of charge material is heated, the air of heating and material surface contact, hot-air is lowered the temperature, material absorbs thermal temperature and raises, after heating material, by table to inner its moisture content heat absorption evaporation or vaporization, hydrone becomes damp-heat air together with heat medium, and wet-emitting blower is discharged outside drying room.
Air source heat pump, primarily of condenser, condenser fan, compressor, throttling arrangement, evaporimeter, evaporator fan composition, compressor, condenser, throttling arrangement, evaporimeter, sequentially to connect with working medium pipeline, forms a closed circuit.
Air source heat pump drying room widely uses in the activity in production of people, and mainly by wet-emitting blower hydrofuge type and evaporator condensation dehumidification type two class drying room, the deficiency of two class drying rooms is described below:
1, hydrofuge type air source heat pump drying room, circulated air is utilized to heat, its heating, drying mode is: the evaporimeter of air source heat pump is to the air heat absorption in environment, high temperature refrigerant after compressor compression is to condenser heat supply, condenser sends into hot blast by condenser fan to drying room, the top of drying room is provided with air-return duct and moisture exhausting port, and return air is sent into condenser by air-return duct again, forms circulated air heating.Arrange wet-emitting blower at drying room moisture exhausting port, when the air humidity in drying room increases to a certain degree, wet-emitting blower starts and carries out exhausting hydrofuge.Negative pressure is formed, the new wind of fresh wind port entered environment temperature during hydrofuge.Humidity reduces, and in drying room, temperature of charge does not generally decline, and air themperature is decline 1-2 DEG C generally.Humidity is reduced to certain limit, and wet-emitting blower quits work.Along with the carrying out of heating, hydrofuge, in drying room, temperature raises, and material moisture content reduces gradually, when material moisture in drying room is very low, namely reaches the object of drying material.
In order to improve its heat utilization rate, connect air-to-air total heat exchanger at moisture exhausting port and carry out recuperation of heat, the new wind of environment temperature is carried out heat exchange by air-to-air total heat exchanger and damp-heat air, new wind temperature after exchanging raises sends into condenser air intake place again, but the damp-heat air after heat exchange generally still will exceed ambient temperature air 10-40 DEG C, carry a large amount of heats and discharge outside drying room.Therefore, prior art adopts air-to-air total heat exchanger, only serves the new wind action of heating environment temperature.
Hydrofuge type is compared with following dehumidification type, though its Energy Efficiency Ratio improves a lot, but its weak point is: 1) during hydrofuge exhausting, even if through Waste Heat Recovery, can only about 35% be reclaimed, still have a large amount of heats to discharge outside drying room, cause a large amount of energy wastes; 2) in the whole drying course of material, the effect of drying (rate of drying) of hydrofuge type is more far short of what is expected than the effect of drying (rate of drying) of dehumidification type; 3) the new wind that hydrofuge supplements is from the air in environment, does not carry out dehumidification treatments; Above-mentioned three shortcomings reduce the rate of drying of material.
2, dehumidification type air source heat pump drying room, its evaporimeter not to the air heat absorption in environment, absorption be heat in drying room in damp-heat air, damp-heat air is through evaporator absorbing and cooling temperature, and moisture content condensation wherein forms droplet and flows out from conduit.In evaporimeter, the working medium of heat absorption is compressed into pressure high temperature hot gas through compressor, utilizes condenser heat rejection, heats material in drying chamber, after heating material, air humidity in drying chamber increases, and damp-heat air through evaporator cools dehumidifying, goes round and begins again and utilizes circulated air to heat again.
The deficiency of this technical scheme is: 1) in drying room during material initial heating, and evaporator cools dehumidifying is nonsensical because in drying room air themperature and the environment temperature temperature difference less, air in drying room can not be made to reach dew point and dewater.On the contrary, due to evaporator cools, obviously extended the time of material initial heating in drying room.2) air-source heat-pump air heater is in the environment of a sealing or opposing seal and runs, can not absorb heat from external environment condition, the energy that heat pump heats has been offseted a big chunk by evaporator condensation dehumidifying, Energy Efficiency Ratio only has about 1.0, Energy Efficiency Ratio is too low, and heating material programming rate is slow, and only the drying room drying effect of ratio resistance type is a little better, do not play the advantage that air source heat pump efficiently heats, dry materials speed is not as hydrofuge type air source heat pump drying room.
Summary of the invention
In order to overcome the deficiencies in the prior art, technical problem to be solved in the utility model expands air source heat pump drying room drying capacity and energy-saving potential, a kind of air source heat pump drying room simultaneously possessing stronger dry materials ability and higher Energy Efficiency Ratio is provided, in order to solve the technical problem, the technical solution adopted in the utility model is
Using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port, comprise air source heat pump, drying room and air-to-air total heat exchanger, it is characterized in that, the casing of described air source heat pump is divided into the first inner chamber and the second inner chamber:
X chamber and Y chamber is divided into by evaporimeter, the air outlet that Y chamber arranges air inlet, X chamber is provided with device evaporator fan in first inner chamber;
Air-inlet cavity and air-out chamber is divided into by condenser in second inner chamber; Air-out chamber device condenser fan is also communicated with drying room air inlet; Air-inlet cavity is communicated with the return air inlet of drying room;
Air-to-air total heat exchanger is installed between the first inner chamber and the second inner chamber, and the A channel air inlet of air-to-air total heat exchanger is placed in the air-inlet cavity of the second inner chamber and is provided with air door, and A channel air outlet is placed in the Y chamber of the first inner chamber and is provided with heat exchanger blower fan; The channel B air inlet of air-to-air total heat exchanger is positioned at the X chamber of the first inner chamber, and channel B air outlet is placed in described air-inlet cavity; Described condenser fan total head is greater than evaporator fan total head, and in the air quantity that condenser fan receives, the air quantity from the channel B air outlet of air-to-air total heat exchanger is 3 ~ 30% of evaporator fan total blast volume.
Adopt technique scheme:
1, under condenser fan effect, the circulated air heating of relative close type ground is formed to drying room when self closing door is closed: described relative closure refers to, when self closing door is closed, A channel is closed, the air of the air-inlet cavity in the second inner chamber is not shunted, and is difficult to form negative pressure; The channel B of air-to-air total heat exchanger has larger windage simultaneously, although condenser fan total head is greater than evaporator fan, still be not enough to make the air in the first inner chamber X chamber enter the second inner chamber by channel B, or inlet is less, negligible for overall air quantity.
When in drying room, material is warmed up to uniform temperature, when humidity increases, self closing door is opened, and condenser fan sucks cold wind after evaporator heat exchange and supplements as new wind, makes to form malleation in drying room, and the hot and humid gas in drying room is under the effect of malleation outside discharge chamber.As long as drying room arranges weep hole, no longer need device wet-emitting blower.
2, the utility model is in order to effectively utilize the heat in drying room, air-to-air total heat exchanger is adopted to carry out recuperation of heat, condenser fan sucks the new wind (i.e. cold wind after evaporator heat exchange) of channel B and the damp and hot return air of A channel, the new wind of channel B after air-to-air total heat exchanger heat exchange, temperature higher than or apparently higher than the new wind of environment temperature; The return air of A channel is after air-to-air total heat exchanger heat exchange, and temperature obviously reduces and reaches air dew point temperature, and the water-collecting tray below condensed water instillation air-to-air total heat exchanger, moisture content flows out along the mozzle of water-collecting tray.
Multiple action has been mixed: 1. to make use of in prior art cold wind after the evaporator heat exchange of directly outer row, this cold wind reality in evaporator cools process has carried out once dehumidifying in said process; Further, after adopting evaporator heat exchange, dry cold wind is as new wind regime, and temperature is lower, through the damp and hot return air of air-to-air total heat exchanger condensation, is better than the dehumidifying effect of the new wind of environment temperature, and condensation water quantity increases, and effect on moisture extraction strengthens; 2) during water vapor condensation, latent heat is released, and latent heat is fully utilized rate, and return air wind-warm syndrome significantly improves.But the heat energy of this part latent heat is just because cannot utilize and be wasted in the prior art.3) this cold wind is through air-to-air total heat exchanger heat temperature raising, apparently higher than the new wind of environment temperature, close to the wind-warm syndrome of return air, takes full advantage of the used heat of hydrofuge; 4) this cold wind reaches and enters drying room through air-to-air total heat exchanger heating close to return air temperature dry fresh air simultaneously, under the effect of malleation, carry out hydrofuge.
3, our company in dry field through exploring for many years, " syllogic " that summarize drying materials process is theoretical, first paragraph process is heating material process, material surface contacts with by the heat medium heated, material surface temperature improves, the moisture content heat absorption evaporation on material surface, material subsurface also absorbs heat intensification.The heating medium temperature of first paragraph heating process is generally in arrival 34 DEG C of scopes.
Second segment is that material enters the quick dehydration process of oven dry, and the moisture content of material surface and subsurface becomes damp-heat air and discharges through drying room moisture exhausting port or discharge through dehumidifying, and this one-phase material dehydrating speed is very fast.In this process, the moisture content of internal batch is to material diffusion into the surface (now require relatively high temperature action be just conducive to moisture content spread from inside to outside), and the hydrone of diffusion enters in heat medium.In this process, the very few unfavorable dry materials of hydrofuge air quantity, too much hydrofuge air quantity can make the temperature of charge in drying room reduce, and is unfavorable for that the moisture content of internal batch oozes out to surface.
3rd section of dry run, the moisture content of internal batch is less, have larger driving internal batch moisture content to the ability of external diffusion, the damp-heat air now needing the new wind of higher bake out temperature and more low relative humidity to supplement hydrofuge to take away.
The utility model for instructing, can meet the actual needs of different material baking stage with above-mentioned " syllogic " theory:
At the drying materials initial stage, self closing door closes, and makes heating material speed, eliminates the negative influence of cold wind to the drying materials initial stage;
Material heated through a period of time, and when the scope of relative humidity arrival setting in drying room or temperature bring up to the scope of setting, self closing door is opened automatically, and the cold wind after evaporator condensation dehumidifying enters drying room as new wind through air-to-air total heat exchanger heating.This new wind be conducive to dry materials speed accelerate and energy-conservation:
Enter the second stage of drying materials, especially mid-term (during as 36 DEG C) of second stage or later stage (during as 46 DEG C), material surface is substantially identical with core temperature, has a narrow range of temperature.Moisture now in material departs from material in the form of water vapour and enters heat medium, and heat medium humidity increases, and now the top priority of dry materials takes away the moisture content of heat medium in drying room in the most efficient manner.Found to only have the mode breaking through traditional hydrofuge or dehumidifying could improve the dry materials speed of this one-phase by a large amount of experiments.
The utility model adopts the new wind regime of cold wind as hydrofuge of evaporator heat exchange in this stage, and relative humidity, generally will lower than environment temperature about 4 DEG C lower than ambient temperature air relative humidity about 6%.Traditional view thinks unfavorable to dry materials lower than the cold air of environment temperature, utility model people find through many experiments, in prior art, the new wind of air-to-air total heat exchanger heating environment temperature is utilized to have two deficiencies: 1) heat new wind through air-to-air total heat exchanger, the efficiency that condensation return air dewaters is not high.2) at this one-phase, in drying room, the used heat heat of hydrofuge process has a large amount of more than needed, is not fully utilized.Adopt the new wind regime of cold wind as hydrofuge of evaporator heat exchange, its consumption is 3 ~ 30% of evaporimeter cold wind, significantly improves air-to-air total heat exchanger to return air water rem oval.Meanwhile, evaporator heat exchange cold wind is after air-to-air total heat exchanger heating, and its temperature rise effect reaches or higher than the new wind of air-to-air total heat exchanger heating environment temperature.And the return air heated by condenser and new wind, relative humidity will reduce about 10%, creates condition drying time for shortening material second stage.
Dry materials enters the phase III, and temperature of charge is higher, and as more than 50 DEG C, the relative humidity of heat medium is mostly below 60%, and the surperficial moisture content of material is few.For plant material, its subsurface, the moisture content of core are diffused to the surface by pore, form diffusion gradient.Now reduced the amount of new wind input drying room by self closing door, be conducive to the temperature improving heat medium, aggravation core moisture content is to external diffusion; Evaporator heat exchange cold wind new wind relative humidity is low, walks the moisture content of thing with material surface contact zones.When temperature of charge reaches more than 60 DEG C or 60 DEG C, material enters drying regime.
As from the foregoing, the automatical and efficient switching that achieved in heating and dehumidifying, hydrofuge pattern by the mode of disconnected, the logical action of new wind of the utility model.Be conducive to the dehumidifying of material, hydrofuge and drying.
4, heat pump evaporimeter heat absorption of the present utility model is that the Energy Efficiency Ratio of system is high, and when environment temperature 30 DEG C of drying room temperature 55 DEG C are dried material, Energy Efficiency Ratio reaches more than 4.1 to ambient temperature air heat absorption.
In sum, the beneficial effects of the utility model are, are utilized as basis, with the opening and closing of self closing door for switch condition with cold wind after overall system architecture setting and evaporator heat exchange, innovate the drying materials mode that dehumidifying, hydrofuge carry out simultaneously, achieve the organic composite of multiple-working mode; Automatically, flexibly, easily can change entire system functional trend, meet the needs that the difference in drying materials each stage is even conflicting; The significantly raising of Energy Efficiency Ratio and drying materials speed can be taken into account simultaneously; Save equipment investment.
On the basis of the above, utility model people is found by a large amount of tests, material is in second stage dehydration drying course, material table area, material moisture, material useful load, temperature of charge and heat medium relative humidity etc. factor all have an impact to dehydration process, optimize drying materials dehydration process, can key be the dynamic equilibrium point that find above-mentioned factor, and automatically effectively control system is agreed with in the running status in this stage and this equalization point.
In order to realize this purpose, as a kind of preferred embodiment of the present utility model, described self closing door arranges two-parameter control mode: when drying room temperature reaches the lower limit of setting, and self closing door starts the action that turns down or close the door; When drying room humidity reaches the higher limit of setting, self closing door starts opens large or standard-sized sheet action.
The simulation of numerous influence factor is reduced to the controllable parameter of convenient operation by aforesaid way, and the amount making new wind be transported to drying room just in time or slightly little, can keep efficient hydrofuge, except wet condition, does not make again the heating of equipment have too much more than needed.This design of utility model people achieves following beneficial effect; 1), in the oven dry dehydration stage, obtain maximum hydrofuges, dehumidifying air quantity, material moisture content is removed and is achieved maximization.2), the heat that heats of equipment is fully utilized, and avoids heat energy to greatest extent a large amount of more than needed and waste in drying room.3) the dry needs of different material, can be met in dry run: as, the high plant material of sugar part can realize " vexed water " (i.e. drying room batch (-type) hydrofuge or not hydrofuge) in the first to phase III, heat medium programming rate is accelerated, material core also obtains and relatively comparatively fast heats up, moisture content diffuses to the surface, and is conducive to drying; Or the phase III can blow to drying room in the mode of little ventilation, drying room temperature is raised gradually, avoid because be rapidly heated and affect material appearance luster, or be rapidly heated and make material appearance " crust ", cause the ill effect of core not easily drying.
Preferably, the air outlet of described A channel and the distance of evaporimeter are referred to as the first distance, and the described air inlet in Y chamber and the distance of evaporimeter are referred to as second distance, and described first distance is less than second distance.The hot blast of A channel is made preferentially to enter evaporimeter and evaporator fan relative to new wind.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Accompanying drawing is the utility model System's composition principle schematic.
Detailed description of the invention
See accompanying drawing, reflect a kind of concrete structure of the present utility model, the described air source heat pump drying room using evaporimeter air inlet as drying room fresh wind port, comprises air source heat pump, drying room 1 and air-to-air total heat exchanger 6, and the casing of described air source heat pump is divided into the first separate inner chamber and the second inner chamber:
X chamber 8 and chamber, Y chamber 12, Y 12 arranges air inlet 10, X chamber 8 is provided with device evaporator fan 7 air outlet is divided in first inner chamber by evaporimeter 9;
Air-inlet cavity 4 and air-out chamber 13 is divided into by condenser 14 in second inner chamber; Air-out chamber 13 device condenser fan 15 is also communicated with drying room air inlet 16; Air-inlet cavity 4 is communicated with the return air inlet 3 of drying room 1; As long as drying room 1 arranges weep hole 2, no longer need device wet-emitting blower.
Air-to-air total heat exchanger 6 is installed between the first inner chamber and the second inner chamber, and the A channel air inlet of air-to-air total heat exchanger 6 is placed in the air-inlet cavity 4 of the second inner chamber, and is provided with self closing door 5.A channel air outlet is placed in the Y chamber 12 of the first inner chamber and is provided with heat exchanger blower fan 11; The channel B air inlet of air-to-air total heat exchanger 6 is positioned at the X chamber 8 of the first inner chamber, and channel B air outlet is placed in described air-inlet cavity 4; Described condenser fan 15 total head is greater than evaporator fan 7 total head, and in the air quantity that condenser fan 15 receives, the air quantity from the channel B air outlet of air-to-air total heat exchanger 6 is 3 ~ 30% of the total blast volume of evaporator fan 7.
In order to absolutely prove the beneficial effects of the utility model, compare with hydrofuge type drying room, dehumidification type drying room under equivalent environment temperature, identical heat pump power, identical drying room, identical weight material and identical operating mode, detailed description of the invention is respectively described below:
1. adopt the drying room of the utility model structure:
Use three air source heat pump heating, in drying room, material is honeysuckle, fresh flower weight 202 kilograms, drying room size; High 2.17 meters, long 3.56 meters, wide 1.95 meters.The technical program is adopted to dry material, the environment temperature 22-29 DEG C during oven dry.Stoving process; Start shooting 3 hours, close cold wind air door.Baking room temperature rises to 32 DEG C, relative humidity 74%.
Elaborate for drying room (material) temperature 32 DEG C of processes rising to 34 DEG C in this section, to illustrate two-parameter control mode described in the utility model: drying room temperature upper limit is set to 34 DEG C, and lower limit is set to 32 DEG C.Drying room temperature 32 DEG C, open cold wind self closing door and start dehumidifying, self closing door is with 120m per hour
3cold wind is blown to drying room through air-to-air total heat exchanger, and drying room temperature raises, and relative humidity brings up to 78%, and when drying room temperature rises to higher limit 34 DEG C, self closing door is with 600m per hour
3cold wind is blown to drying room through air-to-air total heat exchanger, and drying room temperature declines, and relative humidity reduces, and when drying room temperature declines 32 DEG C, relative humidity is down to 68%.(this period, average 420m per hour
3cold wind is blown to drying room through air-to-air total heat exchanger, lower with) from mozzle flow out about 3.8 kilograms per hour of dehumidifying condensed water, the long-time hydrofuge of drying room weep hole, through air-to-air total heat exchanger dehumidifying to 5 hours after, baking room temperature rises to 34 DEG C, relative humidity 72%.
(be not described further below) after baking room temperature rises to 34 DEG C with average 500m per hour
3cold wind is blown to drying room, from about 4 kilograms per hour of the dehumidifying condensed water that mozzle flows out.Dehumidify after 10 hours, baking room temperature rises to 39 DEG C, and relative humidity about 74% fluctuates, from about 4.5 kilograms per hour of the dehumidifying condensed water that mozzle flows out.Dehumidify after 16 hours, baking room temperature rises to 47 DEG C, and relative humidity is down to about 64% fluctuation, from about 3.9 kilograms per hour of the dehumidifying condensed water that mozzle flows out.Dehumidify after 20 hours, baking room temperature rises to 52 DEG C, with average 360m per hour
3cold wind is blown to drying room, and relative humidity is down to about 50 and is fluctuated %, from about 3.2 kilograms per hour of the dehumidifying condensed water that mozzle flows out.Dehumidifying was to 22 hours, and baking room temperature rises to 54 DEG C, with average 280m per hour
3cold wind is blown to drying room, and relative humidity is down to about 41% fluctuation, from 1.1 kilograms per hour of the dehumidifying condensed water that mozzle flows out, through heating in 26 hours, dehumidify to 23 hours dry honeysuckles, relative humidity was down to 37%, reach dry requirement, dry honeysuckle 46 kilograms.Power consumption 99 degree.
2. hydrofuge type drying room:
3 hours baking room temperatures of starting shooting rise to 32 DEG C, relative humidity 74%, and two 60 watts of wet-emitting blowers carry out hydrofuge, hydrofuge is arranged: from beginning hydrofuge 15 hours, and heat 5 minutes hydrofuges two minutes, 15 is little of 22 hours, heat 8 minutes hydrofuges two minutes, heating later in 22 hours 8 minutes hydrofuges 1 minute.This air-to-air total heat exchanger is mounted in moisture exhausting port, only has the function Waste Heat Reuse rate just having during hydrofuge and reclaim used heat about 50%, 210 kilograms of honeysuckles were through heating in 32 hours, 29 hours dry, drying room temperature 51 DEG C, relative humidity 38%, reaches dry requirement, dry honeysuckle 46.3 kilograms.Power consumption 122 degree.
3. dehumidification type drying room:
Material heats and dehumidifies by 22 DEG C, and heating-up temperature slowly rises, and after 38 hours heating and dehumidifications, drying room temperature arrives 46 DEG C, relative humidity 34%, and material reaches dry requirement, dry honeysuckle 45.8 kilograms, power consumption 140 degree.
The above-mentioned implementation that the utility model describes is only to clearly the technical solution of the utility model is described, and can not be interpreted as and make any restriction to the utility model.The utility model has known multiple alternative or distortion in the art, under the prerequisite not departing from the utility model essential meaning, all falls into protection domain of the present utility model.
Claims (3)
1. using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port, comprise air source heat pump, drying room and air-to-air total heat exchanger, it is characterized in that, the casing of described air source heat pump is divided into the first inner chamber and the second inner chamber:
X chamber and Y chamber is divided into by evaporimeter, the air outlet that Y chamber arranges air inlet, X chamber is provided with device evaporator fan in first inner chamber;
Air-inlet cavity and air-out chamber is divided into by condenser in second inner chamber; Air-out chamber device condenser fan is also communicated with drying room air inlet; Air-inlet cavity is communicated with the return air inlet of drying room;
Air-to-air total heat exchanger is installed between the first inner chamber and the second inner chamber, and the A channel air inlet of air-to-air total heat exchanger is placed in the air-inlet cavity of the second inner chamber and is provided with air door, and A channel air outlet is placed in the Y chamber of the first inner chamber and is provided with heat exchanger blower fan; The channel B air inlet of air-to-air total heat exchanger is positioned at the X chamber of the first inner chamber, and channel B air outlet is placed in described air-inlet cavity; Described condenser fan total head is greater than evaporator fan total head, and in the air quantity that condenser fan receives, the air quantity from the channel B air outlet of air-to-air total heat exchanger is 3 ~ 30% of evaporator fan total blast volume.
2. as claimed in claim 1 using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port, it is characterized in that, described air door adopts self closing door, self closing door arranges two-parameter control mode: when drying room temperature reaches the lower limit of setting, and self closing door starts the action that turns down or close the door; When drying room humidity reaches the higher limit of setting, self closing door starts opens large or standard-sized sheet action.
3. as claimed in claim 1 or 2 using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port, it is characterized in that, the air outlet of described A channel and the distance of evaporimeter are referred to as the first distance, the described air inlet in Y chamber and the distance of evaporimeter are referred to as second distance, and described first distance is less than second distance.
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| CN201420751711.8U CN204346019U (en) | 2014-12-03 | 2014-12-03 | Using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port |
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| CN201420751711.8U CN204346019U (en) | 2014-12-03 | 2014-12-03 | Using evaporimeter air inlet as the air source heat pump drying room of drying room fresh wind port |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359290A (en) * | 2014-12-03 | 2015-02-18 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump drying house with air inlet of evaporator as fresh air inlet of drying house |
| CN106895698A (en) * | 2017-04-01 | 2017-06-27 | 苏州末尘节能科技有限公司 | Efficient closed loop dehumidification drying machine |
| CN114322475A (en) * | 2022-02-10 | 2022-04-12 | 上海衡元高分子材料股份有限公司 | Drying apparatus |
| CN116045618A (en) * | 2022-12-26 | 2023-05-02 | 河南天杰冷链设备科技有限公司 | Dryer and drying room |
-
2014
- 2014-12-03 CN CN201420751711.8U patent/CN204346019U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359290A (en) * | 2014-12-03 | 2015-02-18 | 湖南省浏阳市择明热工器材有限公司 | Air source heat pump drying house with air inlet of evaporator as fresh air inlet of drying house |
| CN106895698A (en) * | 2017-04-01 | 2017-06-27 | 苏州末尘节能科技有限公司 | Efficient closed loop dehumidification drying machine |
| CN114322475A (en) * | 2022-02-10 | 2022-04-12 | 上海衡元高分子材料股份有限公司 | Drying apparatus |
| CN116045618A (en) * | 2022-12-26 | 2023-05-02 | 河南天杰冷链设备科技有限公司 | Dryer and drying room |
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Address after: Hunan province Changsha Jianmin road 410300, Liuyang economic and Technological Development Zone, west of State Road 319 South Patentee after: Hunan Liuyang Zeming Thermodynamic Equipment Co., Ltd. Address before: 410300 room 1, unit 1, 501 industrial products market, Changsha, Hunan, Liuyang Patentee before: Hunan Liuyang Zeming Thermodynamic Equipment Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20181203 |