CN208860100U - Heat pump grain drying tower - Google Patents

Heat pump grain drying tower Download PDF

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Publication number
CN208860100U
CN208860100U CN201821379221.4U CN201821379221U CN208860100U CN 208860100 U CN208860100 U CN 208860100U CN 201821379221 U CN201821379221 U CN 201821379221U CN 208860100 U CN208860100 U CN 208860100U
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drying tower
air
cooling
heat pump
chamber
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CN201821379221.4U
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Chinese (zh)
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苟秋平
牛书霞
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Zhengzhou Onaer Well-Being Technology Co Ltd
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Zhengzhou Onaer Well-Being Technology Co Ltd
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Abstract

The utility model provides a kind of heat pump grain drying tower, is related to eliminating the technical field of drying of liquid from solid material or product, solves the gas discharged from drying tower in the prior art and contain the technical issues of certain energy leads to energy loss.This kind of heat pump grain drying tower includes drying tower and is formed together the dehumidification device of airflow circulating with drying tower, dehumidification device includes dehumidifying heat pump and First Heat Exchanger, the heat pump that dehumidifies includes cooling body and heating mechanism again, First Heat Exchanger is set to the intersection of the air-out passage of drying tower and the air-supply passage of drying tower, and the air of air-out passage can transfer heat to the air of air-supply passage by First Heat Exchanger;Cooling body is set to the end of the air-out passage of drying tower, and cooling body is connected to the air-out passage of drying tower and the air-supply passage of drying tower.The heat discharged from drying tower is utilized in the utility model, the utilization rate of heat is improved, without extra hot air discharge.

Description

Heat pump grain drying tower
Technical field
The utility model relates to eliminate the technical field of drying of liquid from solid material or product, more particularly, to one Kind heat pump grain drying tower.
Background technique
With the raising of the total quality of grain variety, so that the current grain yield in China is not only able to meet China Storage can be dried there are also a large amount of grain in grain demand.China extremely payes attention to cereal drying technology, with current The steady growth of grain yield, country establishes many grain drying devices in each area all specific aims, in order to ensure grain Food can dry thoroughly, less loss amount, and the development of cereal drying technology is of crucial importance.In general, foodstuff drying device is adopted Drying means is divided into cross-current drying technology, concurrent drying technology and mixed flow drying technology.
Applicants have discovered that at least there is following technical problem in the prior art:
Thermal medium (hot-air or furnace gas) in these dry technologies is after drying tower entrance by the grain in drying tower It is directly discharged in air after drying, can inevitably carry some pernicious gases secretly other than moisture, cause a degree of environment Pollution, while the gas in air is discharged into certain heat, direct emission will also result in certain energy dissipation.
Utility model content
The purpose of this utility model is to provide a kind of heat pump grain drying towers, to solve in the prior art from drying tower The gas of release contains the technical issues of certain energy leads to energy loss.
To achieve the above object, the utility model provides following technical scheme:
A kind of heat pump grain drying tower provided by the utility model, for drying grain, including drying tower and with it is described Drying tower forms the dehumidification device of airflow circulating, and the dehumidification device includes dehumidifying heat pump and First Heat Exchanger, described except damp and hot Pump includes cooling body and heating mechanism again, in which:
The First Heat Exchanger is set to the intersection of the air-out passage of the drying tower and the air-supply passage of the drying tower Place, the air of the air-out passage can transfer heat to the air of the air-supply passage by the First Heat Exchanger;It is described Cooling body is set to the end of the air-out passage of the drying tower and the cooling body can be to coming out from the drying tower Air cooling-down, the cooling body are connected to the air-out passage of the drying tower and the air-supply passage of the drying tower;The heating Mechanism is set on the air supply duct of the drying tower and the heating mechanism can be fed into the air heating of the drying tower.
Preferably, it is additionally provided with condensed water output channel on the cooling body and condensed water output channel energy will be described The dehumidifying heat pump is discharged in the cooling water flow of cooling device.
Preferably, the cooling body is evaporator, and the heating mechanism is condenser, and the dehumidifying heat pump further includes pressure Contracting machine and expansion valve, the compressor are connected to and in communication with the condenser, and the condenser connect and connects with the expansion valve Logical, the expansion valve is connected to and in communication with the evaporator, and the evaporator is connected to and in communication with the compressor.
Preferably, the dehumidifying heat pump further includes the second heat exchanger, second heat exchanger be set to the condenser with Between the expansion valve and second heat exchanger is set between the evaporator and the compressor simultaneously, from described The refrigerant that the refrigerant of evaporator release can be discharged heat transfer from the condenser by second heat-exchanger rig.
Preferably, the dehumidification device further includes first chamber, second chamber, third chamber and the 4th chamber, described First chamber is connected to by the First Heat Exchanger with the second chamber and is located on the air-out passage of the drying tower, described Third chamber is connected to also by the First Heat Exchanger with the 4th chamber and is located on the air-supply passage of the drying tower, institute It states the cooling body connection second chamber and the third chamber, the heating mechanism is set to the 4th chamber.
Preferably, it is additionally provided with pressure fan on the air-supply passage of the drying tower and the air-supply function is by the dehumidification device In air delivery to the drying tower.
Preferably, at least it is arranged described in one between the air-out passage of the drying tower and the air-supply passage of the drying tower Dehumidification device.
Preferably, the drying tower is divided into reserves section, bringing-up section, delay section and cooling section, and the dehumidification device is to position It dehumidifies in the grain of the bringing-up section.
Preferably, cooling blower is set on the cooling section and the cooling blower can be to the grain drop after dehumidifying Temperature.
Preferably, the drying tower includes at least the bringing-up section and at least one described delay section.
A kind of heat pump grain drying tower provided by the utility model compared with the existing technology has following technical effect that
The heat pump grain drying tower is mainly made of drying tower and dehumidification device, is discharged from drying tower compared in technology The gas thermal losses that is directly discharged in atmosphere to cause gas to carry compare, the drying tower and dehumidification device of the utility model The circulatory system of airflow circulating is formed, air is exchanged heat after drying tower release by the First Heat Exchanger of dehumidification device, this Sample can make the air on the air-supply passage of drying tower using the heat on the air-out passage of drying tower, thus giving to drying tower Air heating on wind channel, makes it carry out next dehumidifying circulation, and this mode takes full advantage of the heat discharged from drying tower Amount, improves the utilization rate of heat, without extra hot air discharge, energy-saving effect is more preferable.
The technical effect that the preferred technical solution of the utility model generates:
Condensed water output channel is set in the heating mechanism of the utility model heat pump grain drying tower, and humid air is by drying When flowing to the air-supply passage of drying tower by cooling body after the air-out passage of dry tower, humid air is cold by cooling body But, part humid air forms condensed water, while some pernicious gases in moist ventilation can be cooled together, from condensed water Output channel outflow, avoids pernicious gas and is directly discharged into air.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of drying tower structural schematic diagram containing single dehumidification device of embodiment of the utility model;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is a kind of drying tower structural schematic diagram containing multiple dehumidification devices of embodiment of the utility model.
In figure: 100, drying tower;101, air-out passage;102, air-supply passage;103, cooling blower;200, dehumidification device; 201, First Heat Exchanger;211, heating mechanism;212, cooling body;213, condensed water output channel;214, compressor;215, swollen Swollen valve;216, the second heat exchanger;217, pressure fan;218, first chamber;219, second chamber;220, third chamber;221, Four chambers.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
In the description of the present invention, it should be understood that term " center ", " length ", " width ", " height ", The instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " side " Orientation or positional relationship is to be merely for convenience of description the utility model and letter based on attached orientation or positional relationship shown in FIG. 1 Change description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In the description of the present invention, unless otherwise indicated, " more It is a " it is meant that two or more.
Embodiment 1:
Fig. 1 is a kind of drying tower structural schematic diagram containing single dehumidification device of embodiment of the utility model,
Fig. 2 is the enlarged drawing in Fig. 1 at A, provided by the utility model containing single dehumidification device drying tower, such as Fig. 1 and Shown in Fig. 2, this kind of drying tower 100 is mainly used for the drying of grain, mainly include drying tower 100 and with drying tower 100 The dehumidification device 200 of airflow circulating is formed, the side of dehumidification device 200 is connected to the air-out passage 101 of drying tower 100 and outlet air is logical Road 101 extend into the inside of dehumidification device 200, the air-supply passage 102 of the other side connection drying tower 100 of dehumidification device 200 and Air-supply passage 102 also extend into the inside of dehumidification device 200, and dehumidifying heat pump and the first heat exchange are additionally provided with inside dehumidification device 200 Device 201, First Heat Exchanger 201 are set to the intersection of the air-out passage 101 of drying tower 100 and the air-supply passage 102 of drying tower 100 Place, the air of air-out passage 101 can transfer heat to the air of air-supply passage 102 by First Heat Exchanger 201, particularly It will slightly reduce by the air themperature before cooling body 212, while into the cold air preheating before heating mechanism 211, belong to Heat recycle process makes full use of system thermal.
Wherein dehumidifying heat pump includes cooling body 212 and heating mechanism 211 again, and cooling body 212 is set to drying tower 100 Air-out passage 101 end, and be connected to drying tower 100 air-out passage 101 and drying tower 100 air-supply passage 102, pass through The air of the air-out passage 101 of drying tower 100 is the big humid air of humidity, and air is by cool-down dehumidification, water in cooling body 212 Divide after condensing, becomes approximate saturated air, humidity ratio of moist air is extremely low at this time, while temperature also decreases;Heater Structure 211 is set on the air supply duct of drying tower 100, and cold dry air enters heating mechanism 211, cold in heating mechanism 211 Dry air is warmed again, is become the hot-air that temperature is high, moisture content is low and is entered air-supply passage 102, it is dry to be fed again into drying tower 100 Dry grain.
Specific implementation step are as follows:
(1) First Heat Exchanger 201 in the air-out passage 101 and dehumidification device 200 of air drying tower 100, temperature is slightly Drop, and heat is transferred to the air by air-supply passage 102, the air after cooling passes through cooling body 212;
(2) it after the cooling that air passes through cooling body 212, into air-supply passage 102, and is placed on air-supply passage 102 First Heat Exchanger 201, air absorbs the heat of air on air-out passage 101 at this time, and temperature slightly increases, and becomes dry heat Air, in the drying by heating mechanism 211 plus realization to grain;
(3) after drying grain, dry hot air temperature is reduced, and humidity increases, and is then returning to dehumidification device 200, Complete circulation.
Using the heat pump grain drying tower 100 being mainly made of drying tower 100 and dehumidification device 200, compared in technology The thermal losses that the gas discharged from drying tower 100 is directly discharged in atmosphere that gas is caused to carry is compared, the utility model Drying tower 100 and dehumidification device 200 be formed together the circulatory system of airflow circulating, air passes through after the release of drying tower 100 The First Heat Exchanger 201 of dehumidification device 200 exchanges heat, and can make the air benefit on the air-supply passage 102 of drying tower 100 in this way Made with the heat on the air-out passage 101 of drying tower 100 to be heated to the air on the air-supply passage 102 of drying tower 100 It carries out next dehumidifying circulation, and this mode takes full advantage of the heat discharged from drying tower 100, improves the utilization of heat Rate, it is more energy saving without extra hot air discharge.
As a kind of preferred embodiment of the present embodiment, it is additionally provided with condensed water output channel 213 on cooling body 212, condenses Dehumidifying heat pump can be discharged in the cooling water flow of cooling body 212 by water output channel 213, and humid air passes through the outlet air of drying tower 100 When flowing to the air-supply passage 102 of drying tower 100 by cooling body 212 behind channel 101, humid air passes through cooling body 212 Cooling, part humid air forms condensed water, while some pernicious gases in moist ventilation can be cooled together, from cold Condensate output channel 213 flows out, and avoids pernicious gas and is directly discharged into air.
As a kind of preferred embodiment of the present embodiment, cooling body 212 is evaporator, and heating mechanism 211 is condenser, is removed Damp and hot pump further includes compressor 214 and expansion valve 214, and compressor 214 is connected to and in communication with condenser, condenser and expansion valve 214 are connected to and in communication with, and expansion valve 214 is connected to and in communication with evaporator, and evaporator is connected to and in communication with compressor 214.
The specific flow direction of the refrigerant of dehumidifying heat pump is to become high temperature and pressure gas after refrigerant is pressurizeed by compressor 214 Body, into condenser, condensation liquefaction heat release becomes liquid, while the heat discharged heats the air on air-supply passage 102; Then the expanded decompression of valve 214 of refrigerant, into evaporator, evaporation gasification heat absorption becomes gas, while absorption flows through outlet air and leads to The heat of air on road 101, to achieve the purpose that reduce air themperature.
As a kind of preferred embodiment of the present embodiment, the heat pump that dehumidifies further includes the second heat exchanger 216, the second heat exchanger 216 It is set between condenser and expansion valve 214 and the second heat exchanger 216 while being set between evaporator and compressor 214, The refrigerant discharged from evaporator passes through the refrigerant that the second heat exchanger 216 can discharge heat transfer from condenser, function It is identical with the function of First Heat Exchanger 201.
As a kind of preferred embodiment of the present embodiment, specific dehumidification device 200 further includes first chamber 218, the second chamber Room 219, third chamber 220 and the 4th chamber 221, first chamber 218 and second chamber 219 are connected by First Heat Exchanger 201 On logical and air-out passage 101 positioned at drying tower 100, third chamber 220 and the 4th chamber 221 are also by First Heat Exchanger 201 It is connected to and is located on the air-supply passage 102 of drying tower 100, cooling body 212 is connected to second chamber 219 and third chamber 220, adds Heat engine structure 211 is set to the 4th chamber 221, is first chamber 218, the second chamber by the circulation sequence of this setup air Room 219, third chamber 220 and the 4th chamber 221,
As a kind of preferred embodiment of the present embodiment, in order to which the hot-air in dehumidification device 200 is transported to drying tower 100 In, pressure fan 217 is additionally provided on the air-supply passage 102 of drying tower 100.
Embodiment 2:
For the present embodiment on the basis of the heat pump grain drying tower 100 of embodiment 1, Fig. 3 is a kind of embodiment of the utility model The drying tower structural schematic diagram containing multiple dehumidification devices, as shown in figure 3, the air-out passage 101 and drying tower of drying tower 100 It include a dehumidification device 200 identical with 1 function and structure of embodiment between 100 air-supply passage 102, it in this way can be more preferable Dehumidify to the grain in drying tower 100, while can also include multiple dehumidification devices 200.
As a kind of preferred embodiment of the present embodiment, drying tower 100 divides for reserves section, bringing-up section, delay section and cooling Section, dehumidification device 200 give the grain positioned at bringing-up section to dehumidify.
As a kind of preferred embodiment of the present embodiment, cooling blower 103 is set on cooling section and cooling blower 103 can be to warp Grain cooling after crossing dehumidifying.
As a kind of preferred embodiment of the present embodiment, in order to make grain by multistage dehumidifying, drying tower 100 includes at least one A bringing-up section and at least one delay section.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of heat pump grain drying tower, for drying grain, which is characterized in that including drying tower (100) and with the baking Dry tower (100) forms the dehumidification device (200) of airflow circulating, and the dehumidification device (200) includes dehumidifying heat pump and the first heat exchange Device (201), the dehumidifying heat pump include cooling body (212) and heating mechanism (211) again, in which:
The First Heat Exchanger (201) is set to air-out passage (101) and the drying tower (100) of the drying tower (100) Air-supply passage (102) intersection, the air of the air-out passage (101) of the drying tower (100) is by first heat exchange Device (201) can transfer heat to the air of the air-supply passage (102) of the drying tower (100);The cooling body (212) sets Being placed in the end of the air-out passage (101) of the drying tower (100) and the cooling body (212) can be to from the drying tower (100) air cooling-down come out, the cooling body (212) are connected to the air-out passage (101) of the drying tower (100) and described The air-supply passage (102) of drying tower (100);The heating mechanism (211) is set on the air supply duct of the drying tower (100) And the heating mechanism (211) can be fed into the air heating of the drying tower (100).
2. a kind of heat pump grain drying tower according to claim 1, which is characterized in that on the cooling body (212) also Equipped with condensed water output channel (213) and water that the condensed water output channel (213) can be cooling by the cooling body (212) The dehumidifying heat pump is discharged in stream.
3. a kind of heat pump grain drying tower according to claim 1, which is characterized in that the cooling body (212) is to steam Device is sent out, the heating mechanism (211) is condenser, and the dehumidifying heat pump further includes compressor (214) and expansion valve (215), institute It states compressor (214) to be connected to and in communication with the condenser, the condenser is connected to and in communication with the expansion valve (215), institute It states expansion valve (215) to be connected to and in communication with the evaporator, the evaporator is connected to and in communication with the compressor (214).
4. a kind of heat pump grain drying tower according to claim 3, which is characterized in that the dehumidifying heat pump further includes second Heat exchanger (216), second heat exchanger (216) are set between the condenser and the expansion valve (215) and described Second heat exchanger (216) is set between the evaporator and the compressor (214) simultaneously, the system discharged from the evaporator The refrigerant that cryogen can be discharged heat transfer from the condenser by second heat exchanger (216).
5. a kind of heat pump grain drying tower according to claim 1, which is characterized in that the dehumidification device (200) is also wrapped Include first chamber (218), second chamber (219), third chamber (220) and the 4th chamber (221), the first chamber (218) it is connected to the second chamber (219) by the First Heat Exchanger (201) and is located at going out for the drying tower (100) On wind channel (101), the third chamber (220) and the 4th chamber (221) connect also by the First Heat Exchanger (201) On logical and air-supply passage (102) positioned at the drying tower (100), the cooling body (212) is connected to the second chamber (219) and the third chamber (220), the heating mechanism (211) are set to the 4th chamber (221).
6. a kind of heat pump grain drying tower according to claim 1, which is characterized in that the air-supply of the drying tower (100) It is additionally provided with pressure fan (217) on channel (102) and the pressure fan (217) can be defeated by the air in the dehumidification device (200) It is sent to the drying tower (100).
7. a kind of heat pump grain drying tower according to claim 1, which is characterized in that the outlet air of the drying tower (100) One dehumidification device (200) is at least set between channel (101) and the air-supply passage (102) of the drying tower (100).
8. a kind of heat pump grain drying tower according to claim 1, which is characterized in that the drying tower (100) is divided into storage Section, bringing-up section, delay section and cooling section are measured, the dehumidification device (200) gives the grain positioned at the bringing-up section to dehumidify.
9. a kind of heat pump grain drying tower according to claim 8, which is characterized in that cooling wind is arranged on the cooling section Machine (103) and the cooling blower (103) can give the grain cooling after dehumidifying.
10. according to a kind of any heat pump grain drying tower of claim 8~9, which is characterized in that the drying tower (100) bringing-up section and at least one described delay section are included at least.
CN201821379221.4U 2018-08-23 2018-08-23 Heat pump grain drying tower Active CN208860100U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821379221.4U CN208860100U (en) 2018-08-23 2018-08-23 Heat pump grain drying tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821379221.4U CN208860100U (en) 2018-08-23 2018-08-23 Heat pump grain drying tower

Publications (1)

Publication Number Publication Date
CN208860100U true CN208860100U (en) 2019-05-14

Family

ID=66415833

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821379221.4U Active CN208860100U (en) 2018-08-23 2018-08-23 Heat pump grain drying tower

Country Status (1)

Country Link
CN (1) CN208860100U (en)

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