CN212320233U - Direct heat recovery heat pump drying system - Google Patents
Direct heat recovery heat pump drying system Download PDFInfo
- Publication number
- CN212320233U CN212320233U CN202021387456.5U CN202021387456U CN212320233U CN 212320233 U CN212320233 U CN 212320233U CN 202021387456 U CN202021387456 U CN 202021387456U CN 212320233 U CN212320233 U CN 212320233U
- Authority
- CN
- China
- Prior art keywords
- air channel
- fresh air
- hot
- heat pump
- damp
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 78
- 238000011084 recovery Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 43
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 7
- 239000002918 waste heat Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101710172072 Kexin Proteins 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a direct heat recovery heat pump drying system, which comprises a drying chamber, wherein the drying chamber is divided into a material drying area, a fresh air channel and a damp and hot air channel by a partition wall body, wherein, the front end port of the fresh air channel and the front end port of the damp and hot air channel are both corresponding to the end of the material drying area, the end of the material drying area is provided with a heat exchanger, so that the damp and hot air discharged from the end of the material drying area enters the damp and hot air channel after passing through the heat exchanger, and outdoor fresh air enters the fresh air channel after passing through the heat exchanger, the fresh air channel rotates and extends, so that the end of the fresh air channel is communicated with the front end of the material drying area, the damp and hot air channel rotates and extends, so that the end of the damp and hot air channel corresponds to the end of the fresh air channel, the positions of the fresh air channel and the damp and hot air channel are provided with a heat, the evaporator part is arranged in the wet hot air channel.
Description
Technical Field
The utility model relates to a heat pump drying system, in particular to direct heat recovery heat pump drying system.
Background
In the heat pump drying system, dry high-temperature fresh air heated by a condenser of a heat pump dryer passes through a drying room to heat materials, volatilizes moisture of the materials, becomes high-temperature wet hot air, and is finally discharged from the drying room. The large amount of wet hot air discharged through the drying room has a large amount of waste heat; however, the heat pump drying system does not recycle the heat in the hot and humid air well. The invention patent 'an air source integrated drying and dehumidifying machine and system' disclosed in 2017-06-12 of the applicant, Dongguan city Kexin new energy equipment Co., Ltd, application number: 201710437006.9, publication No.: CN 107101471A; although the single-machine heat pump drying system or the double-machine heat pump drying system is provided with the fresh air channel and the moisture removal channel respectively corresponding to the evaporator, the positions of the fresh air channel and the moisture removal channel at the fresh air inlet and the moisture outlet are provided with energy recovery machines (similar to heat exchangers), so that the heat of moisture heats the fresh air; however, for the whole heat pump drying system, the fresh air inlet, the moisture outlet and the energy recovery machine are arranged on the side part for supplementary ventilation, only a part of fresh air is exchanged with damp and hot air, the waste heat in a large amount of damp and hot air exhausted from the drying room cannot be effectively utilized, and a large amount of damp and hot air is directly exhausted out of the drying room, so that a large amount of waste heat energy is wasted. Therefore, the conventional heat pump drying system still has many unreasonable places and needs to be improved.
SUMMERY OF THE UTILITY MODEL
To the above, an object of the utility model is to provide a direct heat recovery heat pump drying system, improve and optimize its structure and layout mode for flow direction between new trend and the damp and hot wind is scientific and reasonable more, realizes the heat exchange between new trend and the damp and hot wind on the main entrance, utilizes the damp and hot wind's waste heat to preheat the new trend into warm wind, improves the utilization ratio of energy, more high-efficient and energy-concerving and environment-protective.
The utility model adopts the technical proposal that: a direct heat recovery heat pump drying system comprises a drying chamber, wherein the drying chamber is divided into a material drying area, a fresh air channel and a damp and hot air channel through a partition wall, the front end of the fresh air channel and the front end of the damp and hot air channel correspond to the tail end of the material drying area, the tail end of the material drying area is provided with a heat exchanger, damp and hot air discharged from the tail end of the material drying area enters the damp and hot air channel after passing through the heat exchanger, outdoor fresh air enters the fresh air channel after passing through the heat exchanger, the fresh air channel rotates and extends, the tail end of the fresh air channel is communicated with the front end of the material drying area, the damp and hot air channel rotates and extends, the tail end of the damp and hot air channel corresponds to the tail end of the fresh air channel, the tail end of the fresh air channel and the damp and hot air channel are provided with a heat pump dryer, and a condenser part of the heat pump dryer is arranged in the, the evaporator part is arranged in the wet hot air channel.
Further, the heat exchanger is a grid type heat exchanger.
Further, the heat pump dryer comprises a condenser part, a throttle valve, an evaporator part and a compressor which are connected in sequence.
Furthermore, the condenser part is arranged at the tail section of the fresh air channel and comprises a condenser and a condensing fan, and the condensing fan corresponds to the front end of the material drying area; the evaporator part is arranged at the tail end of the wet hot air channel and comprises an evaporator and an evaporation fan, and the evaporation fan corresponds to the outside of the drying chamber.
Furthermore, the material drying area, the fresh air channel and the hot and humid air channel are arranged in parallel from left to right.
The utility model has the advantages of it is following: the drying chamber is divided into a material drying area, a fresh air channel and a damp and hot air channel through a dividing wall body, and a heat exchanger is arranged among the material drying area, the fresh air channel and the damp and hot air channel, so that the heat exchanger is positioned in a main channel in butt joint of the fresh air channel, the damp and hot air channel and the material drying area, and all fresh air entering and all damp and hot air discharging can exchange heat. Through improving its structure of optimization and layout mode for flow direction between new trend and the damp and hot wind is scientific and reasonable more, realizes the heat exchange between new trend and the damp and hot wind on the main entrance, utilizes the hot and humid air's waste heat to preheat the new trend and become warm wind, and the utilization ratio of increase energy, more high-efficient and energy-concerving and environment-protective.
The present invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a direct heat recovery heat pump drying system;
FIG. 2 is a schematic view of the heat exchanger;
in the figure: a drying chamber 1; a partition wall body 2; a material drying zone 3; a fresh air channel 4; a hot and humid air passage 5; a heat exchanger 6; a throttle valve 7; a compressor 8; a condenser 9; a condensing fan 10; an evaporator 11; an evaporation fan 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 belong to the protection scope of the present invention.
It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 2, the direct heat recovery heat pump drying system provided in this embodiment includes a drying chamber 1 (or called a drying room, etc.), the drying chamber 1 is divided into a material drying area 3, a fresh air channel 4 and a hot and humid air channel 5 by a partition wall 2 (or called a partition plate, etc.), wherein the material drying area 3, the fresh air channel 4 and the hot and humid air channel 5 are arranged in parallel from left to right.
The drying chamber 1 is divided into a material drying area 3, a fresh air channel 4 and a hot and humid air channel 5 by a partition wall 2 (or called partition plate, etc.), wherein a front port of the fresh air channel 4 and a front port of the hot and humid air channel 5 are both corresponding to the tail end of the material drying area 3, a heat exchanger 6 is arranged at the tail end of the material drying area 3, so that hot and humid air discharged from the tail end of the material drying area 3 enters the hot and humid air channel 5 after passing through the heat exchanger 6, outdoor fresh air enters the fresh air channel 4 after passing through the heat exchanger 6, the fresh air channel 4 rotates and extends, so that the tail end of the fresh air channel 4 is communicated with the front end of the material drying area 3, the hot and humid air channel 5 rotates and extends, so that the tail end of the hot and humid air channel 5 corresponds to the tail end of the fresh air channel 4 (which is convenient for installation of a heat pump dryer), and the tail end positions of the, be provided with heat pump drying-machine, heat pump drying-machine's condenser part sets up at new trend passageway 4, and the evaporimeter part sets up at damp and hot wind passageway 5 for the new trend that gets into by new trend passageway is after condenser part heating, form dry high temperature new trend and get into the material drying area again, heat the stoving to the material, volatilize material moisture content back, become high temperature damp and hot wind, it is exothermic through the terminal heat exchanger in material drying area immediately, thereby carry out the heat exchange with the new trend that gets into new trend passageway through heat exchanger, become medium temperature damp and hot wind after the high temperature damp and hot wind cooling after the heat exchange, become the cold air after evaporator part cooling by damp and hot wind passageway, it is outdoor to discharge.
It should be noted that the above-mentioned high-temperature humid hot air and medium-temperature humid hot air are corresponding high temperature and medium temperature, and since the humid hot air is inevitably reduced in temperature after being subjected to heat release by the heat exchanger and heat exchange with the fresh air, for the sake of distinction in description, the high-temperature humid hot air after heat exchange is reduced in temperature and then becomes medium-temperature humid hot air.
In particular, the heat exchanger 6 is a grid heat exchanger. It should be noted that the heat exchanger is mainly used for recovering heat; the structure is various, and is of a grid channel type, a cross straight-through type, and the like. Its purpose, outdoor new trend flows through the space through heat exchanger's new trend and gets into the new trend passageway (become the new trend after the heat recovery), and the hot and humid wind that material drying zone exhaust flows through heat exchanger's hot and humid wind and flows through the space and get into hot and humid wind passageway (become the hot and humid wind after the heat recovery), and both can not mix, but can pass through energy exchange separator (the material that thermal conductivity is good such as aluminium, copper between the two again for hot and humid wind heats the new trend. Referring to fig. 2, the working principle and the installation connection of a heat exchanger are shown. The heat exchanger comprises a box body, a left upper air inlet, a right upper air inlet, a left lower air inlet and a right lower air inlet, a heat exchange chip, a fan and a drain pipe, wherein the left upper air inlet is connected with an outdoor fresh air inlet, and the right lower air inlet is provided with the fan and is connected with a fresh air channel in parallel; the upper right air port is connected with the tail end of the material drying area, the lower left air port is provided with a fan and connected with a damp and hot air channel, and damp and hot air can condense part of water after heat exchange, so a drain pipe needs to be arranged. The high-efficiency heat exchange chip (or called energy exchange separator) is heated, the high-temperature heat in the wet hot air is fully recovered, the heat exchange efficiency is up to 80%, and the comprehensive energy conservation is over 50%. The fixing structure has high stability, no transmission mechanism and moving part, high reliability and long service life. The heat exchange chip adopts anticorrosive aluminium foil, accomplishes to keep apart sealedly than the hot passageway, prevents that the new trend from airing exhaust and mixing, and the inside heat preservation of box is handled.
Specifically, the heat pump dryer includes a condenser part, a throttle valve 7, an evaporator part, and a compressor 8, which are connected in sequence. The condenser part is arranged at the tail section of the fresh air channel 4 and comprises a condenser 9 and a condensing fan 10, and the condensing fan 10 corresponds to the front end of the material drying area 3; the evaporator part is arranged at the tail end of the wet hot air channel 5 and comprises an evaporator 11 and an evaporation fan 12, and the evaporation fan 12 corresponds to the outside of the drying chamber 1. It should be noted that, in terms of the layout of the fresh air channel and the hot and humid air channel, the condenser part and the evaporator part of the heat pump dryer are separated, and the fresh air channel and the hot and humid air channel have distinct sizes and greatly improved efficiency.
Overall, the principle and the characteristics of the direct heat recovery heat pump drying system provided by this embodiment are: heat exchanger is gone into to natural full new trend, absorb the heat that the baking house discharged damp and hot wind through heat exchanger, promote the new trend temperature and heat through the condenser again, promote the new trend temperature once more, it is regional to form the material stoving that dry high temperature new trend goes into the baking house, to the material heating, volatilize material moisture content, become high temperature damp and hot wind, then heat recovery is carried out through heat exchanger is exothermic, after carrying out the heat exchange with natural new trend, high temperature damp and hot wind becomes the damp and hot wind of moderate temperature, send to the evaporimeter at last and absorb the heat, the cold air of discharging. The circulation process is completed in the main channels of the fresh air channel and the hot and humid air channel, the energy utilization rate is high, the efficiency is high, the energy is saved, and the environment is protected.
The utility model discloses be not limited to above-mentioned embodiment, adopt and the utility model discloses the same or similar technical feature of above-mentioned embodiment, and other direct heat recovery heat pump drying system who obtains is all within the protection scope of the utility model.
Claims (5)
1. A direct heat recovery heat pump drying system comprises a drying chamber, and is characterized in that the drying chamber is divided into a material drying area, a fresh air channel and a hot and humid air channel through a partition wall body, wherein a front port of the fresh air channel and a front port of the hot and humid air channel are corresponding to the tail end of the material drying area, a heat exchanger is arranged at the tail end of the material drying area, hot and humid air discharged from the tail end of the material drying area enters the hot and humid air channel after passing through the heat exchanger, outdoor fresh air enters the fresh air channel after passing through the heat exchanger, the fresh air channel rotates and extends, the tail end of the fresh air channel is communicated with the front end of the material drying area, the hot and humid air channel rotates and extends, the tail end of the hot and humid air channel corresponds to the tail end of the fresh air channel, and a heat pump dryer is arranged at the tail end of the fresh air channel and the hot and humid, the condenser part of the heat pump dryer is arranged in a fresh air channel, and the evaporator part of the heat pump dryer is arranged in a damp and hot air channel.
2. The direct heat recovery heat pump drying system of claim 1, wherein the heat exchanger is a grid heat exchanger.
3. The direct heat recovery heat pump drying system of claim 1, wherein the heat pump dryer comprises a condenser section, a throttle valve, an evaporator section and a compressor connected in series.
4. The direct heat recovery heat pump drying system of claim 1, wherein the condenser part is arranged at the end of the fresh air channel and comprises a condenser and a condensing fan, and the condensing fan corresponds to the front end of the material drying area; the evaporator part is arranged at the tail end of the wet hot air channel and comprises an evaporator and an evaporation fan, and the evaporation fan corresponds to the outside of the drying chamber.
5. The direct heat recovery heat pump drying system of claim 1, wherein the material drying zone, the fresh air channel and the hot and humid air channel are arranged side by side from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387456.5U CN212320233U (en) | 2020-07-15 | 2020-07-15 | Direct heat recovery heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387456.5U CN212320233U (en) | 2020-07-15 | 2020-07-15 | Direct heat recovery heat pump drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212320233U true CN212320233U (en) | 2021-01-08 |
Family
ID=74028948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021387456.5U Active CN212320233U (en) | 2020-07-15 | 2020-07-15 | Direct heat recovery heat pump drying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212320233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780506A (en) * | 2020-07-15 | 2020-10-16 | 东莞市科信新能源设备有限公司 | A direct heat recovery heat pump drying system |
-
2020
- 2020-07-15 CN CN202021387456.5U patent/CN212320233U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780506A (en) * | 2020-07-15 | 2020-10-16 | 东莞市科信新能源设备有限公司 | A direct heat recovery heat pump drying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018121488A1 (en) | Temperature-adjustable four-effect dehumidifying and drying system | |
| CN106705590A (en) | Heat pump type water heating drying system | |
| CN210179936U (en) | Open type drying heat pump with waste heat recovery device | |
| CN103968473A (en) | Dehumidifier | |
| CN212320233U (en) | Direct heat recovery heat pump drying system | |
| CN107555756A (en) | Sludge drying system | |
| CN206339064U (en) | Pump type heat vermicelli drying equipment | |
| CN209840562U (en) | A high-performance air source drying and dehumidification integrated machine and system | |
| CN210292562U (en) | Air-source heat pump closed-loop dehumidification drying unit | |
| CN107990699A (en) | A kind of monoblock type, reverse circulation air source heat pump Drying unit | |
| CN206339031U (en) | Pump type heat hot-water heating drying system | |
| CN210220226U (en) | Embedded drying-machine and supporting stoving room | |
| CN100498107C (en) | Combustion type water heater smoke exhausting heat recovery device | |
| CN111780506A (en) | A direct heat recovery heat pump drying system | |
| CN212108832U (en) | A multi-stage evaporative cooling air-conditioning unit combining plate-tube indirect and separate heat pipes | |
| CN216049027U (en) | Integrated heat pump with heat recovery and dehumidification functions and drying device applied to integrated heat pump | |
| CN212157904U (en) | Forced air formula heat pump drying system | |
| CN213687357U (en) | Dehumidifying, cooling, heating and drying air conditioner using sleeve type heat exchanger to recover heat | |
| CN210425998U (en) | High-temperature heat pump unit for drying sludge | |
| CN210035725U (en) | A dehumidifier and evaporator | |
| CN207831811U (en) | It is a kind of can block combiner recovery type heat dehumidifying heat pump | |
| CN218764277U (en) | Integrated solar heat pump drying system | |
| CN210036199U (en) | Energy-saving heat pump drying system | |
| CN111256254A (en) | A multi-stage evaporative cooling compound air-conditioning unit | |
| CN207991117U (en) | A kind of drying equipment that Multifunctional controlling is wet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |