CN214502034U - Heat pump drying device - Google Patents
Heat pump drying device Download PDFInfo
- Publication number
- CN214502034U CN214502034U CN202120517685.2U CN202120517685U CN214502034U CN 214502034 U CN214502034 U CN 214502034U CN 202120517685 U CN202120517685 U CN 202120517685U CN 214502034 U CN214502034 U CN 214502034U
- Authority
- CN
- China
- Prior art keywords
- heat pump
- communicated
- drying chamber
- hot air
- air inlet
- 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
This novel drying device field that belongs to, concretely relates to heat pump drying device. The heat pump drying device comprises a drying chamber and a heat pump drying unit, wherein a hot air channel is arranged in the drying chamber, an inlet of the hot air channel is communicated with an air inlet of the drying chamber, and an outlet of the hot air channel is communicated with an air outlet of the drying chamber; the side wall or the top of the drying chamber is communicated with an exhaust fan, the exhaust fan is communicated with one end of an exhaust pipe, and the other end of the exhaust pipe is communicated with an evaporator of the heat pump drying unit. The drying device adopts a hot air channel form, so that the direct contact of air and the articles to be dried can be reduced, the secondary pollution of the articles to be dried is prevented, and the floating of the articles to be dried is avoided.
Description
Technical Field
This novel drying device field that belongs to, concretely relates to heat pump drying device.
Background
Conventional drying devices typically use direct electrical heating or fuel combustion to obtain the heat energy required for drying. The fuel energy or the electric energy input into the heater is set to be 100 parts, and the heat energy obtained by the hot air out of the heater is about 70-95 parts in consideration of the heat energy loss of the heater, so that the energy consumption is high.
The heat pump is a high-efficiency heating device, forces heat to flow from a low-temperature object to a high-temperature object in a reverse circulation mode, can obtain larger heat supply amount only by consuming a small amount of reverse circulation net work, and can effectively utilize low-grade heat energy which is difficult to apply to achieve the aim of saving energy. For example patent No. 201721163088.4 provides a waste water waste heat recovery formula heat pump drying system, has realized the multistage utilization of energy, but present heat pump is dried and is all adopted hot-blast and treat the mode that the stoving article directly blow of drying, is not suitable for to some food types and the lighter medicinal material powder type of quality, causes secondary pollution easily or causes the waste of stoving article.
Disclosure of Invention
To prior art's the aforesaid not enough, this novel heat pump drying device that provides, this drying device adopt hot air channel's form, can reduce the air and treat the direct contact of stoving article, prevent to treat the secondary pollution of stoving article, and avoid treating the unsteady of stoving article.
In order to achieve the purpose, the novel heat pump drying device comprises a drying chamber and a heat pump drying unit, wherein a hot air channel is arranged in the drying chamber, the hot air channel is a pipeline with two open ends and other closed areas, the hot air channel is of a vertical enclosing wall structure and is integrally distributed in a bow shape, an inlet of the hot air channel is communicated with an air inlet of the drying chamber, and an outlet of the hot air channel is communicated with an air outlet of the drying chamber; an air inlet machine is arranged at an air inlet of the drying chamber;
a feeding door is arranged on one side of the drying chamber opposite to the air inlet and the air outlet, and a through door is arranged on the wall of the hot air channel on one side of the feeding door;
the side wall or the top of the drying chamber is communicated with an exhaust fan, the exhaust fan is communicated with one end of an exhaust pipe, and the other end of the exhaust pipe is communicated with an evaporator of the heat pump drying unit.
This neotype further improvement forms the return air passageway between the air intake of drying chamber and the air outlet, and this return air passageway has fresh air inlet and with the valve of fresh air inlet mutual matching, and fresh air inlet is located air intake one side, and fresh air inlet has the filter screen. By adopting the technical scheme, fresh air in the drying chamber can be supplied.
This neotype further improvement, heat pump drying unit is including compressor, first condenser, liquid storage pot, electronic expansion valve, evaporimeter, the vapour and liquid separator that loops through the tube coupling, and first condenser is located the return air passageway. The hot air of the first condenser is blown by the air inlet machine to heat the drying chamber.
This neotype further improvement, hot air channel's top has a plurality of branch road hot-blast main, and this branch road hot-blast main one end is located the air intake one end that is close to the drying chamber, and this branch road hot-blast main other end is located the air outlet one end that is close to the drying chamber. By adopting the technical scheme, the contact area of hot air in the drying chamber can be increased, and when the drying chamber is used, a corresponding electromagnetic valve can be arranged to realize heat regulation and control; meanwhile, the lengths of the two ends of the branch hot air ducts can be prolonged according to the size and the layout of the drying chamber.
The novel further improvement is that the exhaust pipe is divided into two branches, one branch is communicated with the evaporator of the heat pump drying unit, and the other branch is communicated with a flow passage of the second condenser; one end of the other flow passage of the second condenser is communicated with the fresh air inlet, and the other end of the flow passage of the second condenser is communicated with the air inlet. By adopting the technical scheme, the multi-stage utilization of the energy of the hot air of the exhaust pipe can be realized, and the valve can be arranged to facilitate the regulation and control of the flow rate during use.
This novel further improvement, there is the condensate water storage tank evaporator bottom. By adopting the technical scheme, the condensate water can be recycled after being treated.
The beneficial effects of the utility model reside in that:
(1) the drying device adopts a hot air channel, hot air is radiated through a hot air channel wall to realize the drying of the articles to be dried, the direct contact of air and the articles to be dried can be reduced, the secondary pollution of the articles to be dried is prevented, meanwhile, the Chinese character 'gong' shape can also prolong the hot air circulation time, and the drying effect is ensured.
(2) Because hot-blast do not have with waiting to dry article direct contact, consequently can not appear floating problem when article dry to the later stage quality lighten back, avoid waiting to dry the waste of article and the damage to equipment.
(3) The hot air of the device circularly flows through the air return channel, so that the energy can be recycled for many times, and the temperature rising speed of the drying chamber is higher.
(4) The device leads hot air exhausted by the exhaust fan to the evaporator, so that the generator is convenient to heat up quickly, the heat is recycled, and the energy consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of the novel device.
Fig. 2 is a schematic structural diagram of the novel drying chamber. (the direction of the arrow is the direction of the wind flow)
Fig. 3 is a schematic structural view of a drying chamber according to embodiment 3 of the present invention.
Fig. 4 is a schematic view of the overall structure of the present novel embodiment 4.
In the figure, the device comprises a drying chamber 1, a hot air channel 2, a through door 3, a feed door 4, a feed door 5, an air inlet fan 6, a first condenser 7, a compressor 8, a gas-liquid separator 9, a liquid storage tank 10, an electronic expansion valve 11, an evaporator 12, an exhaust pipe 13, a fresh air inlet 14, a return air channel 15, a branch hot air channel 16 and a second condenser.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
A heat pump drying device comprises a drying chamber 1 and a heat pump drying unit, wherein a hot air channel 2 is arranged in the drying chamber 1, the hot air channel 2 is a pipeline with two open ends and other closed areas, the hot air channel 2 is of a vertical wall structure and is integrally distributed in a bow shape, an inlet of the hot air channel 2 is communicated with an air inlet of the drying chamber 1, and an outlet of the hot air channel 2 is communicated with an air outlet of the drying chamber 1; an air inlet 5 is arranged at an air inlet of the drying chamber;
a feeding door 4 is arranged on one side of the drying chamber 1 opposite to the air inlet and the air outlet, and a through door 3 is arranged on the wall of a hot air channel on one side of the feeding door 4;
the side wall or the top of the drying chamber is communicated with an exhaust fan, the exhaust fan is communicated with one end of an exhaust pipe 12, and the other end of the exhaust pipe is communicated with an evaporator 11 of the heat pump drying unit.
Example 2
On the basis of embodiment 1, as shown in fig. 1-2, a return air channel 14 is formed between an air inlet and an air outlet of the drying chamber 1, the return air channel 14 is provided with a fresh air inlet 13 and a valve matched with the fresh air inlet, the fresh air inlet is positioned at one side of the air inlet, and the fresh air inlet is provided with a filter screen.
The heat pump drying unit comprises a compressor 7, a first condenser 6, a liquid storage tank 9, an electronic expansion valve 10, an evaporator 11 and a gas-liquid separator 8 which are sequentially connected through pipelines, wherein the first condenser 6 is positioned in an air return channel.
The bottom of the evaporator 11 is provided with a condensed water storage tank.
When the drying rack is used specifically, articles to be dried are placed on the drying rack and pushed through the feeding door 4 and the through door 3, a refrigerant is compressed into high-temperature high-pressure gas through the compressor 7 and then enters the first condenser 6 to be condensed and release heat, hot air is blown into the drying chamber 1 through the air inlet machine 5, the hot air enters the hot air channel 2 of the drying chamber 1 through the air inlet of the drying chamber 1, then the hot air channel 2 dissipates heat in the drying chamber to dry the articles to be dried, the hot air is blown out through the air outlet of the drying chamber 1, and the hot air enters the drying chamber after continuously exchanging heat with the first condenser 6 through the suction of the air inlet machine 5 in the air return channel 14; the refrigerant forms high-pressure liquid after being released heat through the first condenser 6, enters the electronic expansion valve 10 through the liquid storage tank 9 to be throttled to form low-temperature low-pressure liquid, is evaporated in the evaporator 11, absorbs heat from outdoor air, then returns to the compressor 1 through the gas-liquid separator 8 to complete circulation, and the like.
When the humidity in the drying chamber is high, the exhaust fan is started to extract the humid air in the drying chamber 1, the humid air exchanges heat with the evaporator 11, the refrigerant in the evaporator is quickly heated, the heat of the humid air is recycled, and the condensation of the humid air is realized.
Example 3
The difference from example 2 is that: the top of the hot air channel is provided with a plurality of branch hot air ducts 15, one end of each branch hot air duct is positioned at one end close to the air inlet of the drying chamber, and the other end of each branch hot air duct is positioned at one end close to the air outlet of the drying chamber, as shown in the attached figure 3.
Example 4
The difference from example 2 is that: the exhaust duct 12 is divided into two branches, one branch is communicated with the evaporator 11 of the heat pump drying unit, and the other branch is communicated with a flow channel of the second condenser; one end of the other flow passage of the second condenser is communicated with the fresh air inlet, and the other end is communicated with the air inlet, as shown in figure 4.
When fresh air is needed, the fresh air inlet 13 is opened, the part of fresh air and the residual heat of the humid air exchange heat in the second condenser 16, so that the part of fresh air is preheated, and the residual heat of the humid air is utilized.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a heat pump drying device, includes drying chamber (1) and heat pump drying unit, its characterized in that: a hot air channel (2) is arranged in the drying chamber (1), the hot air channel (2) is a pipeline with two open ends and other closed areas, the hot air channel (2) is of a vertical enclosing wall structure and is integrally distributed in a bow shape, an inlet of the hot air channel (2) is communicated with an air inlet of the drying chamber (1), and an outlet of the hot air channel (2) is communicated with an air outlet of the drying chamber (1); an air inlet machine (5) is arranged at an air inlet of the drying chamber;
a feeding door (4) is arranged on one side of the drying chamber (1) opposite to the air inlet and the air outlet, and a through door (3) is arranged on the wall of a hot air channel on one side of the feeding door (4);
the side wall or the top of the drying chamber is communicated with an exhaust fan, the exhaust fan is communicated with one end of an exhaust pipe (12), and the other end of the exhaust pipe is communicated with an evaporator (11) of the heat pump drying unit.
2. The heat pump drying device according to claim 1, wherein: form return air passageway (14) between the air intake of drying chamber (1) and the air outlet, this return air passageway (14) have fresh air inlet (13) and with the valve that fresh air inlet matches each other, fresh air inlet is located air intake one side, and fresh air inlet has the filter screen.
3. The heat pump drying device according to claim 2, wherein: the heat pump drying unit comprises a compressor (7), a first condenser (6), a liquid storage tank (9), an electronic expansion valve (10), an evaporator (11) and a gas-liquid separator (8) which are connected in sequence through pipelines, wherein the first condenser (6) is positioned in a return air channel (14).
4. The heat pump drying device according to claim 1, wherein: the top of the hot air channel is provided with a plurality of branch hot air ducts (15), one end of each branch hot air duct is positioned at one end close to the air inlet of the drying chamber, and the other end of each branch hot air duct is positioned at one end close to the air outlet of the drying chamber.
5. The heat pump drying device according to claim 2, wherein: the exhaust duct (12) is divided into two branches, one branch is communicated with an evaporator (11) of the heat pump drying unit, and the other branch is communicated with a flow channel of a second condenser (16); one end of the other flow passage of the second condenser is communicated with the fresh air inlet, and the other end of the flow passage of the second condenser is communicated with the air inlet.
6. The heat pump drying device according to claim 2, wherein: and a condensed water storage tank is arranged at the bottom of the evaporator (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517685.2U CN214502034U (en) | 2021-03-11 | 2021-03-11 | Heat pump drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120517685.2U CN214502034U (en) | 2021-03-11 | 2021-03-11 | Heat pump drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214502034U true CN214502034U (en) | 2021-10-26 |
Family
ID=78198254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120517685.2U Active CN214502034U (en) | 2021-03-11 | 2021-03-11 | Heat pump drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214502034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399098A (en) * | 2023-04-13 | 2023-07-07 | 广东华天成新能源科技股份有限公司 | Air source heat pump dryer |
-
2021
- 2021-03-11 CN CN202120517685.2U patent/CN214502034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399098A (en) * | 2023-04-13 | 2023-07-07 | 广东华天成新能源科技股份有限公司 | Air source heat pump dryer |
| CN116399098B (en) * | 2023-04-13 | 2023-11-17 | 广东华天成新能源科技股份有限公司 | Air source heat pump dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206469594U (en) | Heat pump dryer | |
| CN102445066B (en) | Natural air dehydrating and preheating drying oven system adopting condensate water waste heat for two-effect flash evaporation | |
| CN206397550U (en) | Low pressure cylinder cooling system after steam turbine optical axis heat supply transformation | |
| CN206146123U (en) | Heat pump drying system that hydrofuge heat energy secondary was retrieved | |
| CN206207901U (en) | A kind of high efficient heat recovery heat pump dryer | |
| CN205536673U (en) | Dry heat pump system of constant temperature | |
| CN106382667A (en) | Heat-supply energy-saving system and method for power plant | |
| CN102506564A (en) | Condensation water residual heat first-effect flash evaporation natural air dehumidifying, preheating and drying baking oven system | |
| CN109553270A (en) | A kind of pump type heat enclosed sludge drying system and its control method | |
| US11248824B2 (en) | Control system and control method for frostless, multivariable coupling, and heat pump-based hot blast stove | |
| CN108413637A (en) | A kind of industrial smoke waste heat recovery and dehumidification system | |
| CN214502034U (en) | Heat pump drying device | |
| CN204830556U (en) | Solar energy sprays overlapping cooling cycle system | |
| CN110028219A (en) | A kind of pump type heat enclosed sludge drying system | |
| CN202048760U (en) | Novel drying device | |
| CN207163198U (en) | Air source heat pump drying baker | |
| CN210070102U (en) | Ground pipe laying water source dehumidification humidification fresh air unit | |
| CN103743196B (en) | A kind of hot blast closed circulation highly effective drying energy saving technique and system | |
| CN209178226U (en) | A kind of pump type heat enclosed sludge drying system structure | |
| CN208000031U (en) | A kind of heat pump hot-blast stove structure | |
| CN106524717A (en) | Heat pump type vermicelli drying equipment and method for vermicelli drying | |
| CN1924303A (en) | Heat pump condensing type steam power recirculation | |
| CN202485343U (en) | Primary-effective flash natural air dehydrating, preheating and drying oven device by using condensate water waste heat | |
| CN216049027U (en) | Integrated heat pump with heat recovery and dehumidification functions and drying device applied to integrated heat pump | |
| CN209801956U (en) | energy-saving drying equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |