CN206989667U - Multifunctional heat pump drying unit - Google Patents
Multifunctional heat pump drying unit Download PDFInfo
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- CN206989667U CN206989667U CN201720820178.XU CN201720820178U CN206989667U CN 206989667 U CN206989667 U CN 206989667U CN 201720820178 U CN201720820178 U CN 201720820178U CN 206989667 U CN206989667 U CN 206989667U
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Abstract
Multifunctional heat pump drying unit,Including drying chamber and heat pump assembly,Drying chamber offers fresh air inlet,Heat pump assembly includes compressor,Condenser and evaporator,Baking zone and return zone are provided with drying chamber,The air intake of condenser is disposed adjacent with fresh air inlet,The outlet air end of condenser is connected by circulate in the wind machine with baking zone,Including sensible heat exchanger,Include the first air inlet and the first gas outlet in sensible heat exchanger,Second air inlet and the second gas outlet,The hot blast that the outlet air end of condenser comes out successively is connected by baking zone and return zone and the first air inlet,The air inlet of first gas outlet and evaporator is connected,The air outlet of evaporator and the second air inlet are connected,The drying chamber of the air outlet side of evaporator opens the row's of being provided with air-cooler,The air intake of second gas outlet and condenser is connected,The drying chamber of return zone side is provided with heat extraction air door,Realization automatically selects most suitable mode of operation under different operating modes,Product operation is simple.
Description
Technical field
It the utility model is related to heat pump drying apparatus field, specifically multifunctional heat pump drying unit.
Background technology
Heat pump has the energy-saving effect efficiently heated, while has the characteristic of association cold while heating, therefore heat
Pump has been widely used in drying and dehumidifying field, and current heat pump drying equipment is functionally broadly divided into the independent of waste heat recovery
Hot blast function and hot blast two kinds of dehumidification function of band, the former has the advantages of simple in construction, heat efficiency is high, but the technology is in humidity
It is bad that low temperature drying effect is handled during larger environment, is made mainly in the case of low temperature and high relative humidity because the relative humidity of air is higher
It is low into drying efficiency, and the latter has the advantage for exporting relatively low dew point hot blast, it is possible to achieve at a lower temperature using relative
The relatively low air flash baking material of humidity, and the technology is disadvantageous in that when material water ratio is relatively low, dehumidifying table is cold
The sensible heat energy consumption that device is consumed substantially exceeds dehumidifying energy consumption, especially under the operating mode of high temperature low humidity, the too high energy of dehumidification by condensation
Consumption cost is not obviously calculated.According to above-mentioned analysis, independent hot blast technique and hot blast band dehumidifying technology has respective merits and demerits,
Each has something to recommend him under different operating modes, the former is applied to high temperature low humidity operating mode, and the latter is applied to low temperature and high relative humidity operating mode, so two kinds
The adaptability of technology is all defective, to applied to the miscellaneous agricultural product drying of Various Seasonal, showing without extensive adaptability
So deficiency, moreover, single kind of product is just only dried in some season at last, its operating mode is also that continuous produce becomes in drying course
Change, it is necessary to which optimum efficiency could be realized using corresponding technology according to different drying operating modes.
Further, individually hot blast and the heat pump drying equipment of hot blast band dehumidifying differ greatly in structure and in control, if
Both functions are taken into account in design, can be more complicated in structure, and also it is more complicated in function switch, applied to agriculture
When product is dried, its user is largely not by the vast farmerses friend of special training, and the operation difficulty based on equipment can cause
The application of the technology is difficult to popularize.
Utility model content
The purpose of this utility model is to solve the problems, such as above-mentioned existing, there is provided multifunctional heat pump simple and reasonable for structure
Drying unit.
Technical scheme is used by the utility model solves its technical problem：
Multifunctional heat pump drying unit, including drying chamber and heat pump assembly, drying chamber offer fresh air inlet, heat pump assembly
Be provided with baking zone and return zone including compressor, condenser and evaporator, in the drying chamber, the air intake of condenser with newly
Wind entrance is disposed adjacent, and the outlet air end of condenser is connected by circulate in the wind machine with baking zone, condenser and circulate in the wind machine it
Between electric heater is installed；
The effect of electric heater is to provide auxiliary heat supplying in cold-start phase to accelerate temperature rise, belongs to standby heat source, especially suitable
For being used in the environment of extremely low temperature.
Also include sensible heat exchanger, the first pipeline and second pipe being staggered, the first pipe are included in sensible heat exchanger
Road both ends respectively constitute the first air inlet and the first gas outlet, and second pipe both ends respectively constitute the second air inlet and the second outlet
Mouthful, the hot blast that the outlet air end of condenser comes out successively is connected by baking zone and return zone and the first air inlet, the first gas outlet
Connected with the air inlet of evaporator, the air outlet of evaporator and the second gas outlet are connected, the drying of the air outlet side of evaporator
Open the row's of being provided with air-cooler in room（Illustrate writing, connected with the external world）, the air intake connection of the second gas outlet and condenser, return zone
The drying chamber of side is provided with heat extraction air door.
The effect of sensible heat exchanger is to carry out the Cryogenic air after completion dehumidification by condensation with preparing the damp-heat air of dehumidifying
Heat exchange, waste cold can both be utilized to reduce the cold load of damp-heat air dehumidification by condensation, while also remove UTILIZATION OF VESIDUAL HEAT IN to reduce
The heat load of wet rear cooling air recycling heating, the use of sensible heat exchanger can mitigate the workload of heat pump assembly.
According to actual condition adjust automatically working method, realize and most suitable Working mould is automatically selected under different operating modes
Formula, and repertoire switching, using automatically controlling without human hand operation, product operation is simple, suitable for not by special training
Librarian use, realize with the preferential full dehumidification function of the preferential efficient heat-production functions of heat pump heating and dehumidifying, and between two
Part circulated air dehumidifying and part hydrofuge function between person, are adapted to extensive operating mode, cyclelog can be sentenced automatically
Surely optimum working mode is taken.
Operation principle is as follows：
Mode of operation one：Fresh air air-valve is opened, and row's air-cooler is started, and from closing is closed, outdoor air passes through heat extraction air door
Circulate in the wind machine drives carries out air heating by condenser and electric heater successively, then into baking zone and return zone, adds
Hot-air enters evaporator by the first pipeline, and the cooling hot-air after dehumidifying is by arranging air-cooler by the cold sky in drying chamber
Gas is discharged to outdoor, and hot-air enters the second pipe of sensible heat exchanger after cooling afterwards, when entering second pipe, the first pipeline
The interior hot-air hot-air relatively low to second pipe relative temperature carries out heat transfer heating, is finally back to the air intake of condenser
End continues cycling through flowing.
Mode of operation one uses heating preferentially to play the heating performance of heat pump assembly to greatest extent, is placed in terms of dehumidifying secondary
Position is wanted, so, starting row's air-cooler of vaporizer side can lift cold discharge the heating efficiency of heat pump assembly, mode of operation
Fresh air air-valve is opened for the moment, row's air-cooler is started, because the air draft for arranging air-cooler can make in drying chamber into tiny structure, heat extraction
Air door can not kept, from closed mode is closed, in the early stage of drying materials, providing by the malleation blowing effect from inside
Substantial amounts of heat helps material heating, and sensible heat energy consumption is larger, hardly important in terms of dehumidifying on the contrary, so mode of operation one is applied to
The preliminary stage of drying materials.
Mode of operation two：The closing of fresh air air-valve, row's air-cooler are closed, and row's cold-air flap closes pass certainly from closing, heat extraction air door is closed
Close, hot-air circulates according to the flow direction of mode of operation one, uses dehumidifying preferentially to reduce circulation air to greatest extent
Moisture content help material fast dewatering, because in a basic balance with external pressure in drying chamber, heat extraction air door is not by from interior
The malleation blowing effect in portion is also kept from closed mode is closed, and mode of operation two is the full dehumidification mode using closed cycle, works as work
After operation mode one runs a period of time, the temperature of material is had been increased to a certain degree, and sensible heat demand is begun to decline, and its heat energy disappears
Consumption mostlys come from the latent demand of moisture evaporation, and mode of operation two, which makes to volatilize a large amount of vapor inside material, flows through evaporation
Device, the cold surface of evaporator will carry out dehumidification by condensation to air, and the vapor of high enthalpy provides corresponding with material moisture evaporation
Heat give evaporator to absorb, the heating needs of condenser are met, so mode of operation two is applied to the mid-term of drying materials
Stage.
Mode of operation three：Fresh air air-valve is opened, and row's air-cooler is closed, row's cold-air flap is from closing is closed, and heat extraction air door is by just
Pressure is blown open, because fresh air air-valve air intake is located proximate to the air intake of condenser, the region by circulate in the wind machine suction compared with
Big be in negative pressure, fresh air therefore can from the fresh air inlet entrance of opening, and the air flow path between return zone and circulate in the wind machine compared with
Long resistance is larger, and the suction of fresh air can make return zone be in malleation by the effect of circulate in the wind machine, heat extraction air door the region by
Malleation, which is blown open, realizes hydrofuge, and after mode of operation two runs a period of time, the temperature of material has been stablized, and sensible heat energy consumption is not needing
Will, because mode of operation two takes closed cycle working method, the latent heat and dehumidification by condensation of material volatilization vapor consumption
The cold of consumption just balances, and because in heat pump assembly, heat caused by condenser is more than cold caused by evaporator（Definitely
Value）, its reason is that heating end is accumulated heat caused by compressor operating mechanical energy, so, closed cycle can cause entirely
The temperature of internal system progressively accumulates rising, causes compressor superpressure to be shut down, to solve this problem can be changed to by closed cycle
External hydrofuge（That is heat extraction）, so as to solve the problems, such as the pressure balance inside heat pump assembly, further, what drying later stage material was volatilized
Moisture gradually decreases, and circulation air is in high temperature low humidified state, and the consumed sensible heat energy consumption of evaporator dehumidifying substantially exceeds dehumidifying energy
Consumption, it is more to one's profit using part hydrofuge in this stage, so the hydrofuge function of mode of operation three had not only protected heat pump but also reduced
It is unfavorable for high energy consumption caused by dehumidification by condensation operating mode, suitable for the later stage of drying materials.
The continuous work period of the switching point Primary Reference heat pump compressor of mode of operation.When compressor continuously work it is very long
For a period of time（Such as more than 5 minutes）When being also not reaching to set temperature value, represent that oven interior material moisture is relatively low compared with multi-temperature,
At this moment cyclelog can judge the preliminary stage for belonging to drying, and system can send instruction and perform work by mode of operation one, when
Compressor is continuously operated in defined time range（Such as 2-5 minutes）Just reach design temperature, represent the temperature of material in baking oven
Degree can judge the mid-term stage for belonging to drying already close to setting value, at this moment cyclelog, and system can send instruction by work
Pattern two performs work, when compressor is continuously operated in less than in defined time range（Such as it is less than 2 minutes）Just reach setting
Temperature, represent that the temperature of material in baking oven has been stablized, at this moment control system can judge the later stage for belonging to drying, system meeting
Send instruction and perform work by mode of operation three.
Drip tray is installed below the evaporator, after the condensation water collection that evaporator and sensible heat exchanger are separated out
Outside discharger.
The heat extraction air door is from conjunction air door, and folding is flipped over by the blast control in drying chamber.
The row's of being provided with cold-air flap on row's air-cooler, folding is controlled by blast in drying chamber.
Fresh air air-valve is installed, control outdoor air is entered in drying chamber, the temperature in control room in the fresh air inlet
Degree.
The compressor, row's air-cooler and fresh air air-valve are controlled by cyclelog, make repertoire switching using certainly
Dynamic control operates without human hand.
The beneficial effects of the utility model are：
The utility model multifunctional heat pump drying unit, it is simple and reasonable for structure, according to actual condition adjust automatically work side
Formula, realize and most suitable mode of operation automatically selected under different operating modes, and repertoire switching using automatically controlling and
Operated without human hand, product operation is simple, suitable for by the librarian use of special training, not realizing and preferential height being heated with heat pump
The full dehumidification function of heat-production functions and dehumidifying preferentially is imitated, and the part circulated air dehumidifying to fall between and part hydrofuge work(
Can, extensive operating mode is adapted to, cyclelog can judge to take optimum working mode automatically.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the airflow route schematic diagram of mode of operation one of the present utility model.
Fig. 3 is the airflow route schematic diagram of mode of operation two of the present utility model.
Fig. 4 is the airflow route schematic diagram of mode of operation three of the present utility model.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, multifunctional heat pump drying unit, including drying chamber 1 and heat pump assembly 2, drying chamber 1 offer fresh air
Entrance 3, heat pump assembly 2 include compressor 4, condenser 5 and evaporator 6, baking zone 7 and return air are provided with the drying chamber 1
Area 8, the air intake 501 of condenser 5 are disposed adjacent with fresh air inlet 3, the outlet air end 502 of condenser 5 by circulate in the wind machine 9 with
Baking zone 7 is connected, and electric heater 10 is provided between condenser 5 and circulate in the wind machine 9；
The effect of electric heater is to provide auxiliary heat supplying in cold-start phase to accelerate temperature rise, belongs to standby heat source, especially suitable
For being used in the environment of extremely low temperature.
Also include sensible heat exchanger 11, the first pipeline 12 and second pipe being staggered are included in sensible heat exchanger 11
13, the both ends of the first pipeline 12 respectively constitute the first air inlet 1201 and the first gas outlet 1202, the both ends of second pipe 13 difference structure
Into the second air inlet 1301 and the second gas outlet 1302, the hot blast that the outlet air end 502 of condenser 5 comes out successively passes through baking zone 7
Connected with return zone 8 and the first air inlet 1201, the first gas outlet 1202 and the air inlet 601 of evaporator 6 are connected, evaporator 6
Air outlet 602 connected with the second air inlet 1301, the drying chamber 1 of the side of air outlet 602 of evaporator 6 opens the row's of being provided with cold wind
Machine 14, the second gas outlet 1302 and the air intake 501 of condenser 5 are connected, and the drying chamber 1 of the side of return zone 8 is provided with thermal wind exhausting
Door 15.
The effect of sensible heat exchanger 11 is to enter the Cryogenic air after completion dehumidification by condensation and the damp-heat air for preparing to dehumidify
Row heat exchange, waste cold can both be utilized to reduce the cold load of damp-heat air dehumidification by condensation, while also by UTILIZATION OF VESIDUAL HEAT IN to reduce
The heat load that cool air recirculation heats after dehumidifying, the use of sensible heat exchanger 11 can mitigate the workload of heat pump assembly 2.
According to actual condition adjust automatically working method, realize and most suitable Working mould is automatically selected under different operating modes
Formula, and repertoire switching, using automatically controlling without human hand operation, product operation is simple, suitable for not by special training
Librarian use, realize with the preferential full dehumidification function of the preferential efficient heat-production functions of heat pump heating and dehumidifying, and between two
Part circulated air dehumidifying and part hydrofuge function between person, are adapted to extensive operating mode, cyclelog can be sentenced automatically
Surely optimum working mode is taken.
Operation principle is as follows：
Mode of operation one is as shown in Figure 2：Fresh air air-valve 18 is opened, and row's air-cooler 14 is started, heat extraction air door 15 closes from conjunction
Closing, outdoor air is driven by circulate in the wind machine 9 and carries out air heating by condenser 5 and electric heater 10 successively, subsequently into
To baking zone 7 and return zone 8, heating air enters evaporator 6 by the first pipeline 12, and the cooling hot-air after dehumidifying passes through
Cold air in drying chamber 1 is discharged to outdoor by row's air-cooler 14, and hot-air enters the second of sensible heat exchanger 11 after cooling afterwards
Pipeline 13, when entering second pipe 13, hot-air in the first pipeline 12 heat relatively low to the relative temperature of second pipe 13 is empty
Gas carries out heat transfer heating, and the air intake 501 for being finally back to condenser 5 continues cycling through flowing.
Mode of operation one uses heating preferentially to play the heating performance of heat pump assembly 2 to greatest extent, is placed in terms of dehumidifying
Backseat, so, starting row's air-cooler 14 of the side of evaporator 6 can lift cold discharge the heating efficiency of heat pump assembly 2, work
Operation mode for the moment opens fresh air air-valve 18, and row's air-cooler 14 is moved, the air draft due to arranging air-cooler 14 can make in drying chamber 1 into
Tiny structure, heat extraction air door 15 can not be kept from closed mode is closed, in drying materials by the malleation blowing effect from inside
Early stage, substantial amounts of heat to be provided and helps material heating, sensible heat energy consumption is larger, hardly important in terms of dehumidifying on the contrary, so work
Operation mode one is applied to the preliminary stage of drying materials.
Mode of operation two is as shown in Figure 3：Fresh air air-valve 18 is closed, and row's air-cooler 14 is closed, and row's cold-air flap 17 is closed from conjunction,
Heat extraction air door 15 circulates from closing, hot-air is closed according to the flow direction of mode of operation one, uses dehumidifying preferentially with maximum
Limit reduce circulation air moisture content help material fast dewatering, because in drying chamber 1 with external pressure in a basic balance, thermal wind exhausting
Door 15 is not also kept from closed mode is closed by the malleation blowing effect from inside, and mode of operation two is to use closed cycle
Full dehumidification mode, when mode of operation one run a period of time after, the temperature of material has been increased to a certain degree, sensible heat demand
Begin to decline, its thermal energy consumption mostlys come from the latent demand of moisture evaporation, and mode of operation two makes to volatilize inside material greatly
Amount vapor flows through evaporator, and the cold surface of evaporator will carry out dehumidification by condensation to air, and the vapor of high enthalpy provides and thing
The corresponding heat of material moisture evaporation absorbs to evaporator 6, meets the heating needs of condenser 5, so mode of operation two is suitable
Mid-term stage for drying materials.
Mode of operation three is as shown in Figure 4：Fresh air air-valve 18 is opened, and row's air-cooler 14 is closed, row's cold-air flap 17 closes from conjunction
Close, heat extraction air door 15 is blown open by malleation, because the air intake of fresh air air-valve 18 is located proximate to the air intake 501 of condenser 5, the region by
The larger suction of circulate in the wind machine 9 is in negative pressure, therefore fresh air can enter from the fresh air inlet 3 of opening, and return zone 8 with it is interior
The longer resistance of air flow path between circulating fan 9 is larger, and the suction of fresh air can make return zone by the effect of circulate in the wind machine 9
8 be in malleation, and heat extraction air door 15 is blown open by malleation in the region and realizes hydrofuge, after mode of operation two runs a period of time, material
Temperature stablized, sensible heat energy consumption is not needing, because mode of operation two takes closed cycle working method, material volatilization water
The cold that the latent heat of steam consumption consumes with dehumidification by condensation just balances, and because in heat pump assembly 2, condenser 5 produces
Heat be more than cold caused by evaporator 6（Absolute value）, its reason be heating end be accumulated compressor 3 run mechanical energy produced
Raw heat, so, closed cycle can cause the temperature inside whole system progressively to accumulate rising, cause the superpressure of compressor 3 to be stopped
Machine, to solve this problem can be changed to external hydrofuge by closed cycle（That is heat extraction）, so as to solve the pressure inside heat pump assembly 2
Equilibrium problem, further, the moisture that is volatilized of drying later stage material gradually decreases, circulation air is in high temperature low humidified state, evaporator 6
The consumed sensible heat energy consumption of dehumidifying substantially exceeds dehumidifying energy consumption, more to one's profit using part hydrofuge in this stage, so Working mould
The hydrofuge function of formula three, which had not only protected heat pump but also reduced, is unfavorable for high energy consumption caused by dehumidification by condensation operating mode, suitable for material
The later stage of drying.
The continuous work period of the switching point Primary Reference heat pump compressor of mode of operation.When compressor 3 continuously works very
Long a period of time（Such as more than 5 minutes）When being also not reaching to set temperature value, represent oven interior material moisture compared with multi-temperature compared with
Low, at this moment cyclelog 19 can judge the preliminary stage for belonging to drying, and system can send instruction and perform work by mode of operation one
Make, when compressor 3 is continuously operated in defined time range（Such as 2-5 minutes）Just reach design temperature, represent thing in baking oven
The temperature of material can judge the mid-term stage for belonging to drying already close to setting value, at this moment cyclelog 19, and system can send finger
Order performs work by mode of operation two, when compressor is continuously operated in less than in defined time range（Such as it is less than 2 minutes）Just
Reach design temperature, represent that the temperature of material in baking oven has been stablized, at this moment control system can judge the later stage rank for belonging to drying
Section, system can send instruction and perform work by mode of operation three.
The lower section of the evaporator 6 is provided with drip tray 16, the condensed water that evaporator 6 and sensible heat exchanger 11 are separated out
After collection outside discharger.
The heat extraction air door 15 is from conjunction air door, and folding is flipped over by the blast control in drying chamber 1.
The row's of being provided with cold-air flap 17 on row's air-cooler 14, folding is controlled by blast in drying chamber 1.
Fresh air air-valve 18 is installed, control outdoor air is entered in drying chamber 1, in control room in the fresh air inlet 3
Temperature.
The compressor 4, row's air-cooler 14 and fresh air air-valve 18 are controlled by cyclelog 19, switch repertoire
Operated using automatically controlling without human hand.
It should be noted that preferably implementation of the present utility model is given in specification of the present utility model and its accompanying drawing
Example, still, the utility model can be realized by many different forms, however it is not limited to the implementation described by this specification
Example, these embodiments are not as the extra limitation to the utility model content, there is provided the purpose of these embodiments is made to this reality
With the understanding more thorough and comprehensive of new disclosure.Also, above-mentioned each technical characteristic continues to be mutually combined, formed not upper
The various embodiments that face is enumerated, it is accordingly to be regarded as the scope of the utility model specification record；Further, to ordinary skill
For personnel, it can according to the above description be improved or be converted, and all these modifications and variations should all belong to this practicality newly
The protection domain of type appended claims.
Claims (6)
1. multifunctional heat pump drying unit, including drying chamber（1）And heat pump assembly（2）, drying chamber（1）Offer fresh air inlet
（3）, heat pump assembly（2）Including compressor（4）, condenser（5）And evaporator（6）, it is characterized in that, the drying chamber（1）It is interior
Provided with baking zone（7）And return zone（8）, condenser（5）Air intake（501）With fresh air inlet（3）It is disposed adjacent, condenser
（5）Outlet air end（502）Pass through circulate in the wind machine（9）With baking zone（7）Connection, condenser（5）With circulate in the wind machine（9）Between
Electric heater is installed（10）；
Also include sensible heat exchanger（11）, sensible heat exchanger（11）Interior the first pipeline including being staggered（12）And second pipe
（13）, the first pipeline（12）Both ends respectively constitute the first air inlet（1201）With the first gas outlet（1202）, second pipe（13）
Both ends respectively constitute the second air inlet（1301）With the second gas outlet（1302）, condenser（5）Outlet air end（502）Heat out
Wind successively passes through baking zone（7）And return zone（8）With the first air inlet（1201）Connect, the first gas outlet（1202）With evaporator
（6）Air inlet（601）Connect, evaporator（6）Air outlet（602）With the second air inlet（1301）Connect, evaporator（6）'s
Air outlet（602）The drying chamber of side（1）Open the row's of being provided with air-cooler（14）, the second gas outlet（1302）With condenser（5）'s
Air intake（501）Connect, return zone（8）The drying chamber of side（1）It is provided with heat extraction air door（15）.
2. multifunctional heat pump drying unit according to claim 1, it is characterised in that：The evaporator（6）Lower section installation
There is drip tray（16）.
3. multifunctional heat pump drying unit according to claim 1, it is characterised in that：The heat extraction air door（15）To close wind certainly
Door, passes through drying chamber（1）Interior blast control flips over folding.
4. multifunctional heat pump drying unit according to claim 1, it is characterised in that：Row's air-cooler（14）On be provided with
Arrange cold-air flap（17）, pass through drying chamber（1）Interior blast controls folding.
5. multifunctional heat pump drying unit according to claim 1, it is characterised in that：The fresh air inlet（3）On be provided with
Fresh air air-valve（18）.
6. multifunctional heat pump drying unit according to claim 5, it is characterised in that：The compressor（4）, row air-cooler
（14）With fresh air air-valve（18）Pass through cyclelog（19）Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820178.XU CN206989667U (en) | 2017-07-07 | 2017-07-07 | Multifunctional heat pump drying unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820178.XU CN206989667U (en) | 2017-07-07 | 2017-07-07 | Multifunctional heat pump drying unit |
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| CN206989667U true CN206989667U (en) | 2018-02-09 |
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ID=61404411
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255411A (en) * | 2017-07-07 | 2017-10-17 | 广东华天成新能源科技股份有限公司 | A kind of multifunctional heat pump drying unit |
-
2017
- 2017-07-07 CN CN201720820178.XU patent/CN206989667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107255411A (en) * | 2017-07-07 | 2017-10-17 | 广东华天成新能源科技股份有限公司 | A kind of multifunctional heat pump drying unit |
| CN107255411B (en) * | 2017-07-07 | 2024-02-20 | 广东华天成新能源科技股份有限公司 | Multifunctional heat pump drying device |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 528308 Guangdong Province, Foshan city Shunde District Lunjiao Street office Yongfeng village two Industrial Zone No. 34 south of Patentee after: GUANGDONG HUATIANCHENG NEW ENERGY TECHNOLOGY CO., LTD. Address before: 528300 Guangdong province Foshan city Shunde District Daliang Street Chang Road No. 11 Patentee before: GUANGDONG HUATIANCHENG NEW ENERGY TECHNOLOGY CO., LTD. |