CN203011097U - A heat pump dehumidification drying device - Google Patents
A heat pump dehumidification drying device Download PDFInfo
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- CN203011097U CN203011097U CN201220448295.5U CN201220448295U CN203011097U CN 203011097 U CN203011097 U CN 203011097U CN 201220448295 U CN201220448295 U CN 201220448295U CN 203011097 U CN203011097 U CN 203011097U
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- heat pump
- heat pipe
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- drying device
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Abstract
The utility model discloses a heat pump dehumidification drying device comprising a heat pump system, a combination heat exchanger and an air and water separating chamber. The heat pump dehumidification drying device is characterized in that the inside of combination heat exchanger is divided into air inflow channels and air return channels, which are adjacent to each other, by a plurality of heat conducting sheets arranged in a spaced manner; a high temperature heat conducting pipe penetrating through the air inflow channels and the air return channels is disposed in the upper portions of the air inflow channels and the air return channels; a low temperature heat conducting pipe penetrating through the air inflow channels and the air return channels is disposed in the lower portions of the air inflow channels and the air return channels; and the high temperature heat conducting pipe and the low temperature heat conducting pipe are connected with the heat conducting sheets. On the premise of dehumidification and heating of the air, the heat pump dehumidification drying device reduces thermal load of an evaporator and a condenser greatly, guarantees that the heat pump system is in a proper temperature range, reduces rated power of a heat pump, realizes independent control of the temperature and the humidity of the air, is suitable for different drying techniques and external environment and realizes substantial reduction of energy consumption.
Description
Technical field
The utility model relates to the device of a kind of air dewetting and heating, be specifically related to a kind of heat pump dehumidification drying device that air closed cycle mode dehumidifies to air and heats that is applicable to, belong to technical field of drying.
Background technology
Heat pump generally is applied in dry field at present, the evaporimeter of heat pump and condenser can realize that dry run is to dehumidifying and the heating of air, the heat that the general employing of conventional heat pump drying device utilizes separately its condenser to produce carries out drying to material, the damp-heat air that produces externally discharges, this mode wasted heat.also having a kind of mode is hothouse, evaporimeter, condenser and circulating fan connect into closed circulation system by pipeline, waste heat can reuse, but there is following problem in this way, the damp-heat air that returns and the evaporimeter temperature difference are very large, the condensation meeting of the steam of high temperature consumes very large refrigeration acting, on the other hand, evaporimeter can be the transfer of heat of this part to condenser when the sensible heat that absorbs in a large number steam and latent heat, heat together with the generation of compressor mechanical energy, the excess Temperature that can cause condenser, affect the normal operation of heat pump, so can only take to waste the mode of heat energy, solve cooling by heat release or by the discharging indoor hot air, with the temperature range that ensures that heat pump is allowing.In addition, the insulation of too low or hothouse is not good at because of outside air temperature, may appear at the heat that has caused offsetting the back condenser after dehumidifying stage air themperature reduces, and causes the situation of baking temperature deficiency.Conclude above-mentioned, conventional art increases the power of heat pump and deals with dehumidification by condensation in order to satisfy the dehumidifying needs, but after strengthening, the refrigeration acting can cause again hot-side temperature too high, cause the higher problem that even affects the heat pump normal operation of drying equipment power consumption, simultaneously evaporimeter and condenser cold and heat also occurring offsets, can not satisfy dry needs in the situation that strengthen the cold and hot end acting of compressor because environmental factor causes its temperature, be " not only be afraid of cold but also To Be Protected from Heat ".
It is poor that the heat that before also has technology to exchange air inlet/outlet by increasing total-heat exchanger or gas-liquid cycle regenerator reduces the mistake wind-warm syndrome of evaporimeter and condenser, but because its heat exchanger effectiveness only has 50% left and right, though situation is improved, effect is very general, and complex structure.
The utility model content
Based on this, the utility model provides a kind of heat pump dehumidification drying device, this kind dehumidification drying device is under the prerequisite that satisfies the air dewetting heating, greatly reduce evaporimeter and Condenser duty, ensure that heat pump in suitable temperature range, has reduced the rated power of heat pump, can carry out temperature and humidity to air simultaneously and independently control, adapt to different dry drying process and external environment condition, and significantly reduce energy consumption.
A kind of heat pump dehumidification drying device comprises heat pump, associating heat exchanger, aqueous vapor separation chamber; It is characterized in that, described associating heat exchanger its inside is provided with inlet channel adjacent one another are and the return gas channel that is separated by the spaced conducting strip of multi-disc; The top of inlet channel and return gas channel is provided with the high temperature heat pipe that runs through wherein, and the below of inlet channel and return gas channel is provided with the low temperature heat pipe that runs through wherein, and high temperature heat pipe and low temperature heat pipe are connected with conducting strip respectively;
Each corresponding being linked in the condensation segment closed circuit and evaporator section closed circuit of heat pump respectively of high temperature heat pipe and low temperature heat pipe; The air inlet outlet of inlet channel and the return-air entrance of return gas channel are by aqueous vapor separation chamber's connection; The heat pipe of secondary condenser and high temperature heat pipe also are connected in the condensation segment closed circuit of heat pump, perhaps, heat pipe and the low temperature heat pipe of secondary evaporimeter also is connected in the evaporator section closed circuit of heat pump, perhaps, the heat pipe of secondary condenser and high temperature heat pipe also are connected in the condensation segment closed circuit of heat pump, and heat pipe and the low temperature heat pipe of secondary evaporimeter of while also is connected in the evaporator section closed circuit of heat pump.
The utility model technical solution problem can also further be taked following corrective measure:
In heat pump, be connected in series with choke valve in the pipeline of connection high temperature heat pipe and low temperature heat pipe.
The heat pipe of secondary evaporimeter and the heat pipe of secondary condenser respectively are respectively equipped with by-pass valve control.
Its outside of secondary evaporimeter is provided with blower fan, and secondary condenser its outside is provided with blower fan.
Its inside, described aqueous vapor separation chamber is provided with water fender or the screen pack that prevents that air inlet outlet and return-air entrance directly are communicated with.
The top of described its inner inlet channel of associating heat exchanger and the top of return gas channel are provided with air inlet entrance and return-air outlet accordingly.
The air inlet entrance of each inlet channel is communicated with air intake cover, and the return-air outlet of each return gas channel is communicated with outlet housing.
The extreme lower position of aqueous vapor separation chamber is provided with discharge outlet.
Heat pump compressor wherein is frequency-changeable compressor or digital scroll compressor.
Described high temperature heat pipe and low temperature heat pipe are respectively many groups roundabout snake type copper pipes in parallel, and its straight line pipeline section passes conducting strip.
The utlity model has following technique effect:
1, the damp-heat air that enters from inlet channel of the utility model is by absorbing the cold of the cooled air of return gas channel, before the condenser zone below arriving associating heat exchanger, its temperature reduces, and has greatly reduced the refrigeration that dehumidification by condensation consumes and has done work.The air that returns away from return gas channel is by absorbing the heat of inlet channel high temperature air, and before the heating region above arriving associating heat exchanger, its temperature raises, and has greatly reduced condenser and has heated the acting that heats that consumes.The turnover air can reach more than ninety percent in the interior Exchange of apparent heat rate of associating heat exchanger, deduct latent heat power consumption part, its integrated power-saving surpasses more than fifty percent, in the situation that equal dry load, heat pump type selecting power reduces manufacturing cost and operating cost greatly less than half.
2, the utility model can be controlled the temperature value of low temperature heat pipe by controlling compressor or valve regulated cold medium flux, can regulate the humidity of air after processing; By regulating the external heat exchange amount of secondary condenser or secondary evaporimeter, can regulate the temperature of air after processing, can make air themperature and the humidity continous-stable after processing and can accurately control, adapt to the requirement of heat pump operating temperature and different dry drying process temperature, and adapt to different temperature environments.
3, use closed cycle drying device of the present utility model, the unnecessary discharging of damp-heat air to the dry run generation, can all enter the dehumidifying of this device and heating again, condensate moisture is that water is discharged separately, avoid draining together with heat when the discharging humid air, waste heat all utilizes, and is more energy-conservation.Owing to not needing external exhaust, can greatly reduce for the drying of food, agricultural product, Chinese medicine, tobacco the pollutant of bringing into because of new wind, also reduce the loss of its smell.
4, the utility model is simple in structure, making is easy, easy to operate, can realize the humiture Automatic Control by by-pass valve control.
Description of drawings
Fig. 1 is the schematic diagram of the utility model specific embodiment.
Fig. 2, Fig. 3 are the schematic diagrames of the different visual directions of associating heat exchanger.
Fig. 4 is the A-A direction cutaway view of Fig. 2.
Fig. 5 is the B-B direction cutaway view of Fig. 2.
The specific embodiment
To shown in Figure 5, embodiment: the heat pump dehumidification drying device comprises heat pump, associating heat exchanger 5, aqueous vapor separation chamber 8 as Fig. 1; Described associating heat exchanger 5 its inside are provided with inlet channel adjacent one another are 17 and the return gas channel 18 that is separated by the spaced conducting strip 16 of multi-disc; The top of inlet channel 17 and return gas channel 18 is provided with the high temperature heat pipe 6 that runs through wherein, and the below of inlet channel 17 and return gas channel 18 is provided with the low temperature heat pipe 7 that runs through wherein, and high temperature heat pipe 6 is connected with conducting strip 16 respectively with low temperature heat pipe 7.
Each corresponding being linked in the condensation segment closed circuit and evaporator section closed circuit of heat pump respectively of high temperature heat pipe 6 and low temperature heat pipe 7; The air inlet outlet 13 of inlet channel 17 and the return-air entrance 14 of return gas channel 18 are by aqueous vapor separation chamber's 8 connections; The heat pipe of secondary condenser 2 and high temperature heat pipe 6 also are connected in the condensation segment closed circuit of heat pump, and heat pipe and the low temperature heat pipe 7 of secondary evaporimeter 3 of while also is connected in the evaporator section closed circuit of heat pump.The condensation segment closed circuit of heat pump is exactly the place of dress condenser in conventional heat pump, and the evaporator section closed circuit of heat pump is exactly the place of dress evaporimeter in conventional heat pump.
In heat pump, be connected in series with choke valve 4 in the pipeline of connection high temperature heat pipe 6 and low temperature heat pipe 7.
The heat pipe of secondary evaporimeter 3 and the heat pipe of secondary condenser 2 respectively are respectively equipped with by-pass valve control.
Secondary evaporimeter 3 its outsides are provided with blower fan, and secondary condenser 2 its outsides are provided with blower fan.
8 its inside, described aqueous vapor separation chamber are provided with water fender 10 or the screen pack that prevents that air inlet outlet and return-air entrance directly are communicated with.Water fender is the plate body that routine was collected dew in wind.
The top of described its inner inlet channel 17 of associating heat exchanger and the top of return gas channel 18 are provided with air inlet entrance 11 and return-air outlet 12 accordingly.One end of the top of the top of inlet channel 17 and return gas channel 18 is provided with tamper 15 and clogs.
The air inlet entrance 11 of each inlet channel 17 is communicated with air intake cover 19, and the return-air outlet 12 of each return gas channel is communicated with outlet housing 20.
The extreme lower position of aqueous vapor separation chamber 8 is provided with discharge outlet 9.
Heat pump compressor 1 wherein is frequency-changeable compressor or digital scroll compressor.
Described high temperature heat pipe 6 and low temperature heat pipe 7 are respectively many groups roundabout snake type copper pipes in parallel, and its straight line pipeline section passes conducting strip 16.
Operation principle:
Heat pump forms two temperature ranges when work associating heat exchanger is inner, and top part is visual becomes the air heat zone as main condenser, and part is visual on the lower becomes the low temperature dehumidification zone as main evaporator.Air is ordered about by air intake cover by blower fan and enters inlet channel, from top to bottom flow through low temperature heat pipe and its peripheral conducting strip, pass water fender behind arrival aqueous vapor separation chamber and enter return gas channel, and flowed out by the return-air outlet after flow through out from the bottom to top high temperature heat pipe and its peripheral conducting strip, concentrate outflow by outlet housing at last.In the associating heat exchanger, the air of each inlet channel from top to bottom flows, at first produce heat exchange by conduit wall with the cooling air that flows out from the bottom to top by return gas channel, then the refrigerant that flows with the low temperature heat pipe produces heat exchange, makes the reduction gradually from top to bottom of associating heat exchanger Inside Air Temperature.When air stream through inlet channel when the low temperature heat pipe, absorbed the cold of most of air of turning back away after cooling in the return gas channel, fully precooling of air before the low temperature heat pipe of contact dehumidifying, its heat transfer temperature difference is less behind the low temperature heat pipe peripheral region of flowing through, reduced the cold that absorbs the low temperature refrigerant, air also can obtain lower condensation temperature improves the dewfall condition greatly, and dehumidifying usefulness significantly improves.Air is after below the associating heat exchanger, the water droplet of suspension adsorb in the aqueous vapor separation chamber by water fender, turn back from the bottom to top and enter each return gas channel, air can absorb by conduit wall when up flowing from return gas channel below that in inlet channel, the heat of air progressively recovers its temperature, has reduced the heat demand of follow-up high temperature heat pipe (the visual main condenser of doing).The heat exchange (or Cooling capacity exchanging) of air setting dehumidifying and backheat temperature-rise period is mainly that convection current heat absorption and release process realizes by passing in and out between air in opposite directions, the heat of this part and cold transmission do not need to realize by compressor work, so quite energy-conservation.
This device comes the condensation temperature of adjustments of gas by the temperature of controlling the low temperature heat pipe, in order to the humidity of air after control processing, during higher than design temperature, start secondary condenser and cooling fan when leaving air temp, leaving air temp be can reduce, otherwise secondary evaporimeter and blower fan thereof started.The humiture of air can realize automatic control.
The utility model can be widely used in the drying of the materials such as agricultural product, aquatic products, food, Chinese medicine, tobacco, timber, plastic grain, clothing.
The evaporimeter that the utility model adopts and condenser, the refrigeration working medium that the inner heat-conducting medium of its heat pipe both can adopt refrigeration, heat pump compressor is as heat exchange medium, also can use respectively the outside to provide the cooling and conductive fluid that heats as heat exchange medium.
Embodiment 2, and these routine characteristics are, the heat pipe of secondary condenser and high temperature heat pipe also are connected in the condensation segment closed circuit of heat pump, and this example does not arrange secondary evaporimeter and valve mechanism thereof, and all the other are with embodiment 1.
Embodiment 3, and these routine characteristics are, the heat pipe of secondary evaporimeter and low temperature heat pipe also are connected in the evaporator section closed circuit of heat pump, and this example does not arrange secondary condenser and valve mechanism thereof, and all the other are with embodiment 1.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. heat pump dehumidification drying device comprises heat pump, associating heat exchanger, aqueous vapor separation chamber; It is characterized in that, described associating heat exchanger its inside is provided with inlet channel adjacent one another are and the return gas channel that is separated by the spaced conducting strip of multi-disc; The top of inlet channel and return gas channel is provided with the high temperature heat pipe that runs through wherein, and the below of inlet channel and return gas channel is provided with the low temperature heat pipe that runs through wherein, and high temperature heat pipe and low temperature heat pipe are connected with conducting strip respectively;
Each corresponding being linked in the condensation segment closed circuit and evaporator section closed circuit of heat pump respectively of high temperature heat pipe and low temperature heat pipe; The air inlet outlet of inlet channel and the return-air entrance of return gas channel are by aqueous vapor separation chamber's connection; The heat pipe of secondary condenser and high temperature heat pipe also are connected in the condensation segment closed circuit of heat pump, perhaps, heat pipe and the low temperature heat pipe of secondary evaporimeter also is connected in the evaporator section closed circuit of heat pump, perhaps, the heat pipe of secondary condenser and high temperature heat pipe also are connected in the condensation segment closed circuit of heat pump, and heat pipe and the low temperature heat pipe of secondary evaporimeter of while also is connected in the evaporator section closed circuit of heat pump.
2. heat pump dehumidification drying device according to claim 1, is characterized in that, in heat pump, is connected in series with choke valve in the pipeline of connection high temperature heat pipe and low temperature heat pipe.
3. heat pump dehumidification drying device according to claim 1, is characterized in that, the heat pipe of secondary evaporimeter and the heat pipe of secondary condenser respectively are respectively equipped with by-pass valve control.
4. heat pump dehumidification drying device according to claim 1, is characterized in that, secondary evaporimeter its outside is provided with blower fan, and secondary condenser its outside is provided with blower fan.
5. heat pump dehumidification drying device according to claim 1, is characterized in that, its inside, described aqueous vapor separation chamber is provided with water fender or the screen pack that prevents that air inlet outlet and return-air entrance directly are communicated with.
6. heat pump dehumidification drying device according to claim 1, is characterized in that, the top of described its inner inlet channel of associating heat exchanger and the top of return gas channel are provided with air inlet entrance and return-air outlet accordingly.
7. heat pump dehumidification drying device according to claim 6, is characterized in that, the air inlet entrance of each inlet channel is communicated with air intake cover, and the return-air outlet of each return gas channel is communicated with outlet housing.
8. heat pump dehumidification drying device according to claim 1, is characterized in that, the extreme lower position of aqueous vapor separation chamber is provided with discharge outlet.
9. heat pump dehumidification drying device according to claim 1, is characterized in that, heat pump compressor wherein is frequency-changeable compressor or digital scroll compressor.
10. heat pump dehumidification drying device according to claim 1, is characterized in that, described high temperature heat pipe and low temperature heat pipe are respectively many groups roundabout snake type copper pipes in parallel, and its straight line pipeline section passes conducting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448295.5U CN203011097U (en) | 2012-09-04 | 2012-09-04 | A heat pump dehumidification drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220448295.5U CN203011097U (en) | 2012-09-04 | 2012-09-04 | A heat pump dehumidification drying device |
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| Publication Number | Publication Date |
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| CN203011097U true CN203011097U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220448295.5U Expired - Lifetime CN203011097U (en) | 2012-09-04 | 2012-09-04 | A heat pump dehumidification drying device |
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| CN (1) | CN203011097U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900399A (en) * | 2014-03-21 | 2014-07-02 | 广东芬尼克兹节能设备有限公司 | Multifunctional integrated heat exchanger |
| CN107966001A (en) * | 2017-11-14 | 2018-04-27 | 佛山杰致信息科技有限公司 | A kind of agricultural uses paddy air-drying device |
| CN110006243A (en) * | 2019-04-16 | 2019-07-12 | 广东技术师范大学 | A kind of evaporator and fruit and vegetable dryness system |
| CN110285652A (en) * | 2019-05-20 | 2019-09-27 | 铜陵中联铭浩制衣有限公司 | A kind of drying equipment for processing cloth early period |
| CN110763005A (en) * | 2019-11-20 | 2020-02-07 | 中南林业科技大学 | Heat pump type double-fluid dehumidification and temperature rise dryer and drying chamber |
-
2012
- 2012-09-04 CN CN201220448295.5U patent/CN203011097U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900399A (en) * | 2014-03-21 | 2014-07-02 | 广东芬尼克兹节能设备有限公司 | Multifunctional integrated heat exchanger |
| CN107966001A (en) * | 2017-11-14 | 2018-04-27 | 佛山杰致信息科技有限公司 | A kind of agricultural uses paddy air-drying device |
| CN110006243A (en) * | 2019-04-16 | 2019-07-12 | 广东技术师范大学 | A kind of evaporator and fruit and vegetable dryness system |
| CN110006243B (en) * | 2019-04-16 | 2024-04-02 | 广东技术师范大学 | Evaporator and fruit and vegetable drying system |
| CN110285652A (en) * | 2019-05-20 | 2019-09-27 | 铜陵中联铭浩制衣有限公司 | A kind of drying equipment for processing cloth early period |
| CN110763005A (en) * | 2019-11-20 | 2020-02-07 | 中南林业科技大学 | Heat pump type double-fluid dehumidification and temperature rise dryer and drying chamber |
| CN110763005B (en) * | 2019-11-20 | 2024-02-09 | 中南林业科技大学 | Heat pump type double-fluid dehumidification heating dryer and drying chamber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20130619 |