CN210321071U - Totally-enclosed powder flow heat pump dryer - Google Patents
Totally-enclosed powder flow heat pump dryer Download PDFInfo
- Publication number
- CN210321071U CN210321071U CN201921304714.6U CN201921304714U CN210321071U CN 210321071 U CN210321071 U CN 210321071U CN 201921304714 U CN201921304714 U CN 201921304714U CN 210321071 U CN210321071 U CN 210321071U
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- cooler
- heater
- exchange plate
- dryer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a totally enclosed powder flows heat pump desiccator, including desicator, cooler and heater, and the three all has well cavity, and the cavity of three connects gradually and forms complete return circuit, is in simultaneously add the air-blower between cooler and the heater, the air-blower can make wind circulate and flow between desicator, cooler and heater, simultaneously cooler and heater enable in cavity wind in separately cool off or heat, add heat pump set in cavity simultaneously, cavity is connected with heat pump set's pipeline promptly, and heat pump set heats the material in the desicator, cools off the material in the cooler, realizes dry cooling integration, and the energy-conserving of equipment is effectual, and the circulation of air-blower reduces the dust and discharges, and dust zero release reaches energy saving and emission reduction's environmental protection requirement even.
Description
Technical Field
The utility model relates to a drying equipment field especially relates to a compound, wide totally-enclosed powder stream heat pump desiccator of usage, but wide application agricultural, chemical industry, food pharmacy and bioengineering field are particularly useful for the drying in agricultural fields such as cereal, maize, rape seed.
Background
As is well known, drying technologies are widely applied in the fields of agriculture, chemical industry, food, pharmacy, bioengineering and the like, such as drying of rapeseed, corn, grains and the like in the agricultural field, drying of raw materials in the chemical industry, drying of additives in the food field and the like, wherein the drying technologies are applied to drying of powdery solid materials, and common drying equipment comprises equipment such as a fluidized bed, a roller and the like, but the fluidized bed and the roller have large energy consumption, large dust emission, more equipment used in cooperation, large difficulty in installation and maintenance and do not meet the current requirements of environmental protection and energy conservation.
Therefore the patent inventor aims at inventing a totally-enclosed powder flow heat pump dryer aiming at the problem that the common drying equipment is not in accordance with the requirements of energy conservation and environmental protection and hopefully meeting the requirements of energy conservation and emission reduction on environmental protection.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a totally-enclosed powder flow heat pump dryer.
In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a totally enclosed powder flows heat pump desiccator, includes desicator, cooler and heater, and the three all has well plenum chamber, and the well plenum chamber of three connects gradually and forms complete return circuit, simultaneously add the air-blower between cooler and the heater, the air-blower can make wind circulate and flow between desicator, cooler and heater, simultaneously cooler and heater can make the wind in cavity respectively cool off or heat.
Preferably, a first heat exchange plate group is arranged in a hollow cavity in the dryer, a second heat exchange plate group is respectively arranged in the hollow cavity of the cooler and the hollow cavity of the heater, one end of the first heat exchange plate group is connected with one end of the second heat exchange plate group in the cooler through a compressor, the other end of the second heat exchange plate group in the cooler is connected with one end of the second heat exchange plate group in the heater through an expansion valve, the other end of the second heat exchange plate group in the heater is connected with the other end of the first heat exchange plate group to form a complete refrigeration cycle, and a refrigerant flows in the heater. Along with the condensation of the refrigerant in the heat exchange plate of the dryer and the release of the materials outside the heating plate, the waste gas outside the heat absorption cooling plate is evaporated in the cooler, and then the high-efficiency drying is realized.
Preferably, two first heat exchange plate groups are arranged in the dryer, and are respectively connected in series in the hollow cavity chamber of the dryer, and are arranged one above the other, the upper end of the dryer is further provided with a feed inlet, the lower end of the dryer is provided with a discharge outlet, and the position connected with the cooler is arranged above the first heat exchange plate groups. The design of two sets of first heat exchange plate group has guaranteed dry efficiency, and the gas that will have the moisture is discharged from the top of first heat exchange plate group, has guaranteed that the moisture can not influence the material that finishes to drying.
Preferably, the first heat exchange plate group is formed by vertically arranging a plurality of first heat exchange plates at uniform intervals, the second heat exchange plate group is formed by vertically arranging a plurality of second heat exchange plates at uniform intervals, the first heat exchange plates and the second heat exchange plates are pillow-shaped plate type heat exchange plates, the pillow-shaped plate type heat exchange plates are formed by superposing two stainless steel plates together and are welded together through laser penetration, then an internal channel is formed by expanding high-pressure fluid between the plates, and the positions of welding spots of the first heat exchange plates are round holes. The arrangement of the circular holes ensures that moisture is discharged from the plates, and the internal channels between the plates ensure the flow of the refrigerant.
Preferably, a pipeline is arranged at the position of the dryer connected with the heater, an airflow purging cavity is arranged at the lower end of each first heat exchange plate, a plurality of purging ports are arranged on the side wall of the airflow purging cavity, and the airflow purging cavities of the first heat exchange plate groups are communicated through the pipeline. Realize sweeping of material between the boards, prevent to have remaining material between the first heat transfer board.
Preferably, the air outlet end of the cooler is further connected with a condensed water collecting port, and the condensed water collecting port can collect condensed water in the cooler. When the air flows from the dryer to the cooler, the humidity of the air is high, when the air flows into the cooler, water vapor is condensed to form liquid water due to low temperature, the liquid water enters the condensed water collecting port, and the air with the reduced humidity continues to flow to the blower.
The utility model relates to a totally enclosed powder flows heat pump desiccator's beneficial effect is, the air-blower can make wind at the desicator, circulation flow between cooler and the heater, cooler and heater enable the wind in cavity respectively and cool off or heat simultaneously, add heat pump set in cavity simultaneously, cavity is connected with heat pump set's pipeline promptly, heat pump set heats the material in the desicator, at the internal cooling material of cooler, realize dry cooling integration, the energy-conserving effectual of equipment, the circulation of air-blower, reduce the dust emission, dust zero release even, reach energy saving and emission reduction's environmental protection requirement.
Drawings
Fig. 1 is a schematic structural diagram of a fully-closed powder flow heat pump dryer.
Fig. 2 is a schematic flow structure diagram of the circulation of the internal wind.
Fig. 3 is a schematic view showing a flow structure of an internal refrigerant cycle.
Fig. 4 is a schematic diagram of the operation of the first heat exchange plate group with material.
Fig. 5 is a partially enlarged view of fig. 4.
Fig. 6 is a schematic structural view of a second heat exchange plate group.
Fig. 7 is an axial view of the first heat exchanger plate.
Fig. 8 is an axial view of a second heat exchanger plate.
In the figure:
1-a dryer; 2-a cooler; 3-a heater; 4-a blower; 5-a first heat exchange plate group; 6-a second heat exchange plate group; 7-a compressor; 8-an expansion valve; 9-a pipeline;
11-a feed inlet; 12-a discharge hole;
21-a condensate water collection port;
51-a first heat exchanger plate; 52-circular hole; 53-gas flow purge chamber; 54-a purge port;
61-second heat exchanger plates.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1-8, the fully-enclosed powder flow heat pump dryer in this embodiment includes a dryer 1, a cooler 2, and a heater 3, all of which have a hollow chamber, meanwhile, the three hollow chambers mainly realize two circulations, namely the circulation of wind and the circulation of a refrigerant (mainly for heat transfer and selecting liquid with larger specific heat capacity), the circulation of the wind mainly enables materials to be quickly dried, the circulation of the refrigerant mainly heats wet materials in the dryer to discharge moisture of the wet materials, meanwhile, the waste gas flowing through the heater is heated, so that the temperature of the waste gas is further improved, the bad effect caused by the fact that the waste gas enters the dryer due to too low temperature is avoided, the hot waste gas flowing through the cooler is cooled, the temperature of the hot waste gas is reduced, condensation is achieved, moisture in the dried waste gas is condensed and discharged, and the circulation of the refrigerant is mainly realized by a heat pump system.
Referring to fig. 2, the wind is circulated: the hollow cavities of the three are sequentially connected to form a complete loop, a blower 4 is added between the cooler 2 and the heater 3, the blower 4 enables air to circularly flow among the dryer 1, the cooler 2 and the heater 3, and the cooler 2 and the heater 3 enable the air in the respective hollow cavities to be cooled or heated. The air outlet end of the cooler 2 is also connected with a condensed water collecting port 21, and the condensed water collecting port 21 can collect the condensed water in the cooler 2. When the wind flows from the dryer 1 to the cooler 2, the humidity of the wind is high, and in the cooler 2, the water vapor is condensed to form liquid water due to low temperature, the liquid water enters the condensed water collecting port 21, and the wind with the lowered humidity continues to flow to the blower 4.
In fig. 1 and 2, the condensed water collecting port 21 is only indicated by an arrow, which is mainly because the second heat exchange plate 61 is arranged in the cooler 2, the temperature of the liquid in the second heat exchange plate group 6 is extremely low, so that the hot air with high humidity in the dryer 1 is rapidly liquefied on the plate surface of the second heat exchange plate 61, and is easily remained in the cooler 2, at this time, the condensed water can be drained only by arranging one opening on the cooler 2, and the drainage can be implemented or performed periodically, so that the detailed display is not necessary.
Referring to fig. 3, the refrigerant cycle has different states at different stages within the refrigeration cycle. A first heat exchange plate group 5 is arranged in a hollow cavity in the dryer 1, second heat exchange plate groups 6 are respectively arranged in hollow cavities of the cooler 2 and the heater 3, one end of the first heat exchange plate group 5 is connected with one end of the second heat exchange plate group 6 in the cooler 2 through a compressor 7, the other end of the second heat exchange plate group 6 in the cooler 2 is connected with one end of the second heat exchange plate group 6 in the heater 3 through an expansion valve 8, the other end of the second heat exchange plate group 6 in the heater 3 is connected with the other end of the first heat exchange plate group 5 to form a complete refrigeration cycle, and a refrigerant flows in the heater to form a complete heat pump system. With the rising and falling of refrigerant temperature and then realize the purpose of drying and cooling, increase heat exchange plate group in three chambeies mainly in order to improve the speed of temperature variation, and then realize efficient drying.
The circulation of the refrigerant is mainly realized by a compressor 7, which has the function of compressing the refrigerant with lower pressure into vapor with higher pressure, so that the volume of the vapor is reduced and the pressure is increased. The compressor 7 sucks the working medium steam with lower pressure from the cooler 2, the working medium steam with lower pressure is sent into the dryer 1 after the pressure is increased, the working medium steam is condensed into liquid with higher pressure in the dryer 1, the liquid with higher pressure is throttled by the throttle valve and then is sent into the cooler 2, the liquid with lower pressure absorbs heat in the cooler 2 and is evaporated into steam with lower pressure, and then the steam is sent into the inlet of the compressor 7, so that the refrigeration cycle is completed.
The first heat exchange plate groups 5 in the dryer 1 are arranged in two groups, are respectively connected in series in the hollow cavity of the dryer 1 and are arranged one above the other, the upper end of the dryer 1 is also provided with a feed inlet 11, the lower end of the dryer is provided with a discharge outlet 12, and the position of the dryer connected with the cooler 2 is arranged above the first heat exchange plate groups 5. The design of two sets of first heat exchange plate group 5 has guaranteed dry efficiency, and the gas that will have the moisture is discharged from the top of first heat exchange plate group 5, has guaranteed that the moisture can not influence the material that finishes to dry.
The first heat exchange plate group 5 is formed by vertically arranging a plurality of first heat exchange plates 51 at uniform intervals, the second heat exchange plate group 6 is formed by vertically arranging a plurality of second heat exchange plates 61 at uniform intervals, the first heat exchange plates 51 and the second heat exchange plates 61 are pillow-shaped plate type heat exchange plates, the pillow-shaped plate type heat exchange plates are stacked together through two stainless steel plate sheets and are welded together through laser penetration, then an inner channel is formed by expanding through high-pressure fluid between the plate sheets, and the positions of welding spots of the first heat exchange plates 51 are round holes 52. The provision of the circular holes 52 ensures that moisture is removed from the plates, and in particular, schematically shown in figure 4, the internal passages between the plates ensure the flow of refrigerant.
Referring to fig. 1 and 4, the intersection between the circulation of wind and the circulation of liquid: the position of the dryer 1 connected with the heater 3 is provided with a pipeline 9, the lower end of each first heat exchange plate 51 is provided with an airflow purging cavity 53, the side wall of the airflow purging cavity 53 is provided with a plurality of purging ports 54, and the airflow purging cavities 53 of the first heat exchange plate group 5 are communicated through the pipeline 9. The purging of the materials between the plates is realized, and the residual materials between the first heat exchange plates 51 are prevented.
The overall working principle is as follows: when the device works, a material with higher moisture content to be dried enters the powder flow dryer 1, slowly flows between heat exchange plates of the powder flow dryer 1, exchanges heat with a high-temperature high-pressure gaseous refrigerant in the plates, the temperature of the material with higher moisture content rises after heat exchange, moisture is evaporated, evaporated moisture is mixed with waste gas brought by the air blower 4, enters the cooler 2, flows through the outer surface of the heat exchange plates of the cooler 2, exchanges heat with refrigerant liquid in the plates, the refrigerant liquid in the plates absorbs heat and is evaporated into low-temperature low-pressure gaseous state to return to the compressor 7, the waste gas outside the plates is cooled and condensed, condensed water is discharged from a water outlet at the bottom of the cooler 2, the cooled low-temperature waste gas enters the heater 3 through the air blower 4 and exchanges heat with the heat exchange plates in the heater 3, and the gaseous refrigerant further condenses waste gas outside the heat release heating plates in the heat, the heated exhaust gas rises in temperature and enters the dryer 1, and the exhaust gas is circulated in sequence.
The fully-closed heat pump dryer has the advantages that the air blower 4 can enable air to flow among the dryer 1, the cooler 2 and the heater 3 in a circulating mode, meanwhile, the cooler 2 and the heater 3 can enable the air in the hollow cavities of the cooler and the heater to be cooled or heated, meanwhile, the heat pump unit is added into the hollow cavities to achieve drying and cooling integration, the energy-saving effect of equipment is good, the air blower 4 is circulated, dust emission is reduced, even zero dust emission is achieved, and the environment-friendly requirement of energy conservation and emission reduction is met.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (6)
1. The utility model provides a totally enclosed powder flows heat pump desiccator which characterized in that: including desicator (1), cooler (2) and heater (3), and the three all has well plenum chamber, and the well plenum chamber of three connects gradually and forms complete return circuit, is in simultaneously add air-blower (4) between cooler (2) and heater (3), air-blower (4) enable wind at circulation flow between desicator (1), cooler (2) and heater (3), simultaneously cooler (2) and heater (3) can make the wind in well plenum chamber separately cool off or heat.
2. The fully-enclosed powder flow heat pump dryer of claim 1, wherein: the dryer is characterized in that a first heat exchange plate group (5) is arranged in a hollow cavity in the dryer (1), a second heat exchange plate group (6) is arranged in hollow cavities of the cooler (2) and the heater (3) respectively, one end of the first heat exchange plate group (5) is connected with one end of the second heat exchange plate group (6) in the cooler (2) through a compressor (7), the other end of the second heat exchange plate group (6) in the cooler (2) is connected with one end of the second heat exchange plate group (6) in the heater (3) through an expansion valve (8), the other end of the second heat exchange plate group (6) in the heater (3) is connected with the other end of the first heat exchange plate group (5) to form a complete refrigeration cycle, and a refrigerant flows in the heater.
3. The fully-enclosed powder flow heat pump dryer according to claim 2, wherein: the dryer is characterized in that two groups of first heat exchange plate groups (5) are arranged in the dryer (1), the first heat exchange plate groups are respectively connected in series in a hollow cavity of the dryer (1) and are arranged one above the other, a feed inlet (11) is further formed in the upper end of the dryer (1), a discharge outlet (12) is formed in the lower end of the dryer, and the position where the cooler (2) is connected is arranged above the first heat exchange plate groups (5).
4. The fully-enclosed powder flow heat pump dryer according to claim 2, wherein: the heat exchanger is characterized in that the first heat exchange plate group (5) is formed by vertically arranging a plurality of first heat exchange plates (51) at uniform intervals, the second heat exchange plate group (6) is formed by vertically arranging a plurality of second heat exchange plates (61) at uniform intervals, the first heat exchange plates (51) and the second heat exchange plates (61) are pillow-shaped plate type heat exchange plates, the pillow-shaped plate type heat exchange plates are formed by superposing two stainless steel plates together and are welded together through laser penetration, then the plates are expanded through high-pressure fluid to form an internal channel, and the positions of welding spots of the first heat exchange plates (51) are round holes (52).
5. The fully-enclosed powder flow heat pump dryer according to claim 2, wherein: the position of the dryer (1) connected with the heater (3) is provided with a pipeline (9), the lower end of each first heat exchange plate (51) is provided with an airflow purging cavity (53), the side wall of the airflow purging cavity (53) is provided with a plurality of purging ports (54), and the airflow purging cavities (53) of the first heat exchange plate groups (5) are communicated through the pipeline (9).
6. The fully-enclosed powder flow heat pump dryer of claim 1, wherein: the air outlet end of the cooler (2) is also connected with a condensed water collecting port (21), and the condensed water collecting port (21) can collect the condensed water in the cooler (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921304714.6U CN210321071U (en) | 2019-08-13 | 2019-08-13 | Totally-enclosed powder flow heat pump dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921304714.6U CN210321071U (en) | 2019-08-13 | 2019-08-13 | Totally-enclosed powder flow heat pump dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210321071U true CN210321071U (en) | 2020-04-14 |
Family
ID=70129671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921304714.6U Active CN210321071U (en) | 2019-08-13 | 2019-08-13 | Totally-enclosed powder flow heat pump dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210321071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360830A (en) * | 2019-08-13 | 2019-10-22 | 瀚能(苏州)节能科技有限公司 | A kind of totally-enclosed powder flow heat pump drier |
-
2019
- 2019-08-13 CN CN201921304714.6U patent/CN210321071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360830A (en) * | 2019-08-13 | 2019-10-22 | 瀚能(苏州)节能科技有限公司 | A kind of totally-enclosed powder flow heat pump drier |
| CN110360830B (en) * | 2019-08-13 | 2024-05-17 | 瀚能(苏州)节能科技有限公司 | Totally-enclosed powder flow heat pump dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106855353B (en) | Heat pump drying equipment with dehumidification type and dehumidification type switching function and drying method | |
| CN202209858U (en) | Energy-saving and environment-friendly drying box | |
| CN203940723U (en) | Dual system agricultural product drying dehumidifying two effect devices | |
| CN105029655A (en) | Energy-saving type garden staff heat pump drying device | |
| CN201393534Y (en) | Environmental protection energy-saving fruit and vegetable drying machine | |
| CN205536673U (en) | Dry heat pump system of constant temperature | |
| CN204881113U (en) | Solar energy and heat pump be multi -functional drying system of integration jointly | |
| CN103610214A (en) | Energy saving device for circularly drying aquatic product at normal temperature | |
| CN210321071U (en) | Totally-enclosed powder flow heat pump dryer | |
| CN110776239A (en) | Two-stage deep heat pump sludge drying system | |
| CN110876272A (en) | Compressor, heat pump system, water heater and clothes dryer | |
| CN107621129B (en) | Drying device with external hot start and deep dehumidification | |
| CN211476637U (en) | Energy recovery type high-temperature heat pump dryer | |
| CN108224915A (en) | A kind of superhigh temperature single system dual temperature area heat pump dryer system and application method | |
| CN210107891U (en) | Heat pump type drying device for aquatic products | |
| CN210292562U (en) | Air-source heat pump closed-loop dehumidification drying unit | |
| CN208595796U (en) | A kind of energy-saving air energy heat pump drying device | |
| CN110360830B (en) | Totally-enclosed powder flow heat pump dryer | |
| CN216049027U (en) | Integrated heat pump with heat recovery and dehumidification functions and drying device applied to integrated heat pump | |
| CN212081980U (en) | Straight-flow heat pump dryer with heat recovery | |
| CN212157914U (en) | Air source heat pump dryer | |
| CN210486442U (en) | Load-variable dehumidification heat pump drying system | |
| CN210220564U (en) | Tunnel type drying system | |
| CN209431815U (en) | A kind of coelenteron type heat pump drying equipment | |
| CN209279529U (en) | A kind of full environment-friendly type saving energy at normal temperature drying shed of photovoltaic energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |