CN111059890A - Material drying system and method - Google Patents
Material drying system and method Download PDFInfo
- Publication number
- CN111059890A CN111059890A CN201911344296.8A CN201911344296A CN111059890A CN 111059890 A CN111059890 A CN 111059890A CN 201911344296 A CN201911344296 A CN 201911344296A CN 111059890 A CN111059890 A CN 111059890A
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- drying
- dehumidifying
- air
- circulating pump
- evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
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- 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
Abstract
The invention relates to a material drying system and a method, wherein the material drying system comprises a drying and dehumidifying regeneration unit, the drying and dehumidifying regeneration unit comprises a drying system for drying moisture-containing materials by using dry air, a dehumidifying system for dehumidifying the wet air by using working liquid and an MVR regeneration system for evaporating and concentrating the working liquid; the drying system is connected with the dehumidifying system through a pipeline, and the dehumidifying system is connected with the MVR regenerating system through a pipeline. The material drying method comprises a drying step of drying moisture-containing materials by using dry air, a dehumidifying step of dehumidifying the wet air by using working liquid and an MVR regenerating step of evaporating and concentrating the working liquid. According to the invention, dry air is used for drying moisture-containing materials, the wet air is dehumidified by the working solution, the MVR system is used for concentrating and regenerating the working solution, and the sensible heat of the drying materials is recovered by the heat recovery system, so that the material drying energy consumption is reduced, and the environmental pollution is reduced.
Description
Technical Field
The invention relates to a material drying system and a method, in particular to a material drying system and a method for MVR regeneration through solution dehumidification and drying, and belongs to the technical field of energy conservation and environmental protection.
Background
The material drying relates to a plurality of industries, the drying operation often becomes the main energy consumption link of the production process, and the pollution of the drying unit to the environment is often serious, so the energy conservation, consumption reduction and clean production also become the important targets of the drying industry technology. The existing drying process mainly adopts fossil energy to burn and provide external heat sources such as hot air, steam, flue gas and the like to heat and dry materials or adopts an inverse Carnot cycle heat pump to condense or an extension transformation technology to dehumidify and dry materials, so that the energy consumption and the operation cost are high, the remote monitoring and management are inconvenient, and simultaneously, the emission of waste gas or greenhouse gas which brings environmental problems is accompanied.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a material drying system and a material drying method which are low in energy consumption and operation cost, convenient for remote monitoring and management, and free of environmental pollution and greenhouse gas emission.
The material drying system comprises a drying and dehumidifying regeneration unit, wherein the drying and dehumidifying regeneration unit comprises a drying system for drying moisture-containing materials by using dry air, a dehumidifying system for dehumidifying the wet air by using working liquid and an MVR regeneration system for evaporating and concentrating the working liquid; the drying system is connected with the dehumidifying system through a pipeline, and the dehumidifying system is connected with the MVR regenerating system through a pipeline.
The drying system comprises a feed hopper, a feeding machine, a material distributor, a dryer, a discharge hopper, a circulating fan and an air inlet pipe; the feed hopper is connected with the material distributor through a feeding machine; the material distributor is connected with the dryer; the circulating fan is connected with the dryer through an air inlet pipe; the discharge hopper is connected with the dryer.
The dehumidification system comprises a return air pipe, a dehumidifier, a demister and a dehumidification circulating pump; a dryer of the drying system is connected with the dehumidifier through an air return pipe; the demister is connected with the dehumidifier; and the inlet and the outlet of the dehumidification circulating pump are connected with the dehumidifier through a pipeline.
The MVR regeneration system comprises a working liquid discharge pump, a heat exchanger, an MVR compressor, a separator, an evaporation demister, an evaporation circulating pump and a regenerated liquid return pipe; the inlet and the outlet of the working liquid discharge pump are respectively connected with a dehumidifier of a dehumidification system and an inlet of a heat exchanger through pipelines; the outlet of the heat exchanger is connected with the separator through a pipeline; the evaporation demister is connected with the separator; the inlet and the outlet of the MVR compressor are respectively connected with the gas outlet of the separator and the gas inlet of the heat exchanger through pipelines; the inlet and the outlet of the evaporation circulating pump are respectively connected with the discharge port of the separator and the inlet of the heat exchanger through pipelines; and the regeneration liquid return pipe is connected with an outlet of the evaporation circulating pump and an inlet of a dehumidification circulating pump of the dehumidification system.
The invention also comprises a heat recovery unit, wherein the heat recovery unit comprises a heat exchange circulating pump and a heat exchange pipe; and the material distributor of the drying system is connected with the discharge hopper of the drying system through a heat exchange pipe and a heat exchange circulating pump.
The invention also comprises an electric control unit which is an automatic control cabinet with a PLC program control and remote communication module.
The material drying method comprises a drying step of drying moisture-containing materials by using dry air, a dehumidifying step of dehumidifying the wet air by using working liquid and an MVR regenerating step of evaporating and concentrating the working liquid.
The drying step comprises the following specific steps:
step (a 1): uniformly distributing moisture-containing materials in the feed hopper on a dryer through a feeding machine and a material distributor;
step (a 2): dry hot air enters the dryer through the circulating fan through the air inlet pipe to exchange heat with wet materials for evaporation;
step (a 3): the dry materials are discharged out of the dryer through a discharge hopper.
The specific method of the dehumidification step comprises the following steps:
step (B1): wet air obtained after the drying material absorbs moisture enters a dehumidifier through a return air pipe;
step (B2): the dehumidifying circulating pump promotes the sprayed working solution to perform heat and mass exchange with the humid air;
step (B3): the dehumidified air enters the return air duct after being collected by the demister.
The specific method of the MVR regeneration step comprises the following steps:
step (C1): working liquid in a dehumidifier of the dehumidification system is mixed with regeneration liquid at the outlet of the evaporation circulating pump through a working liquid discharge pump and enters the heat exchanger for heat exchange;
step (C2): the mixed liquid heated by the heat exchanger enters a separator for evaporation and concentration;
step (C3): the secondary steam generated by evaporation enters an MVR compressor for compression and temperature rise after vapor-liquid separation of an evaporation demister;
step (C4): the compressed and heated steam enters a heat exchanger to exchange heat with working liquid and is condensed into liquid water to be discharged;
step (C5): the regenerated liquid in the separator is conveyed by an evaporation circulating pump to enter a heat exchanger for circulating heating, and part of the regenerated liquid enters a liquid inlet of a dehumidification circulating pump of the dehumidification system through a regenerated liquid return pipe to supplement the dehumidification working liquid.
The invention has the beneficial effects that: (1) the drying dehumidification regeneration process system and the method provided by the invention can reduce the regeneration energy consumption of the working solution in the prior art, recover the sensible heat of dry heat materials and further reduce the operation cost of the prior drying process; (2) the automatic control cabinet with the remote communication module provided by the system can solve the problem that the existing drying system is inconvenient to monitor and manage remotely; (3) the drying dehumidification and MVR regeneration process provided by the invention can solve the environmental problems caused by the emission of waste gas or greenhouse gas in the prior art.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. the material loading machine, 2, the material distributor, 3, the desiccator, 4, the return air duct, 5, the defroster, 6, the switch board, 7, the MVR compressor, 8, the condensation heat exchanger, 9, the evaporation defroster, 10, the feeder hopper, 11, the heat transfer circulating pump, 12, the heat exchange tube, 13, the air-supply line, 14, go out the hopper, 15, circulating fan, 16, the dehumidifier, 17, the dehumidification circulating pump, 18, the working solution discharge pump, 19, regeneration liquid feed back pipe, 20, the evaporation circulating pump, 21, the separator.
Detailed Description
In order to make the technical means, the characteristics, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments.
As shown in FIG. 1, the material drying system of the present invention comprises a drying, dehumidifying and regenerating unit, a heat recovery unit and an electrical control unit.
The drying, dehumidifying and regenerating unit comprises a drying system for drying moisture-containing materials by using dry air, a dehumidifying system for dehumidifying the wet air by using working liquid and an MVR regenerating system for evaporating and concentrating the working liquid; the drying system is connected with the dehumidifying system through a pipeline, and the dehumidifying system is connected with the MVR regenerating system through a pipeline.
The drying system comprises a feed hopper 10, a feeding machine 1, a material distributor 2, a drying machine 3, a discharge hopper 14, a circulating fan 15 and an air inlet pipe 13; the feed hopper 10 is connected with the material distributor 2 through the feeding machine 1; the material distributor 2 is connected with the dryer 3; the circulating fan 15 is connected with the dryer 3 through an air inlet pipe 13; the discharge hopper 14 is connected to the dryer 3.
The dehumidification system comprises a return air pipe 4, a dehumidifier 16, a demister 5 and a dehumidification circulating pump 17; a dryer 3 of the drying system is connected with a dehumidifier 16 through a return air duct 4; the demister 5 is connected with a dehumidifier 16; the inlet and outlet of the dehumidification circulating pump 17 are connected with the dehumidifier 16 through a pipeline.
The MVR regeneration system comprises a working solution discharge pump 18, a heat exchanger 8, an MVR compressor 7, a separator 21, an evaporation demister 9, an evaporation circulating pump 20 and a regeneration solution return pipe 19; an inlet and an outlet of the working liquid discharge pump 18 are respectively connected with a dehumidifier 16 of the dehumidification system and an inlet of the heat exchanger 8 through pipelines; the outlet of the heat exchanger 8 is connected with a separator 21 through a pipeline; the evaporation demister 9 is connected with the separator 21; an inlet and an outlet of the MVR compressor 7 are respectively connected with an air outlet of the separator 21 and an air inlet of the heat exchanger 8 through pipelines; the inlet and outlet of the evaporation circulating pump 20 are respectively connected with the discharge port of the separator 21 and the inlet of the heat exchanger 8 through pipelines; the regeneration liquid return pipe 19 is connected with the outlet of the evaporation circulating pump 20 and the inlet of the dehumidification circulating pump 17 of the dehumidification system.
The heat recovery unit comprises a heat exchange circulating pump 11 and a heat exchange pipe 12; the material distributor 2 of the drying system is connected with a discharge hopper 14 of the drying system through a heat exchange pipe 12 and a heat exchange circulating pump 11.
The electric control unit is an automatic control cabinet 6 with a PLC program control and remote communication module; the feeding machine 1, the material distributor 2, the drying machine 3, the heat exchange circulating pump 11, the circulating fan 15, the dehumidification circulating pump 17, the working solution discharging pump 18, the MVR compressor 7 and the evaporation circulating pump 20 are respectively electrically connected with the automatic control cabinet 6.
The implementation steps of the material drying system comprise a drying step of drying moisture-containing materials by using dry air, a dehumidifying step of dehumidifying the wet air by using working liquid and an MVR regenerating step of evaporating and concentrating the working liquid. The drying step specifically comprises:
step (a 1): moisture-containing materials in the feed hopper 10 are uniformly distributed on the dryer 3 through the feeding machine 1 and the material distributor 2;
step (a 2): dry hot air enters the drier 3 through the circulating fan 15 through the air inlet pipe 13 to exchange heat with wet materials for evaporation;
step (a 3): the dry material is discharged from the dryer 3 through the discharge hopper 14.
The dehumidifying step specifically comprises:
step (B1): the wet air after the moisture is absorbed by the drying material enters the dehumidifier 16 through the air return pipe 4;
step (B2): the dehumidifying circulating pump 17 promotes the sprayed working solution to perform heat and mass exchange with the humid air;
step (B3): the dehumidified air enters the return air duct 4 after water mist is collected by the demister 5.
The MVR regeneration step specifically comprises:
step (C1): working fluid in a dehumidifier 16 of the dehumidification system is mixed with regenerated fluid at an outlet of an evaporation circulating pump 20 through a working fluid discharge pump 18 and enters a heat exchanger 8 for heat exchange;
step (C2): the mixed liquid heated by the heat exchanger 8 enters a separator 21 for evaporation and concentration;
step (C3): the secondary steam generated by evaporation enters an MVR compressor 7 for compression and temperature rise after being subjected to vapor-liquid separation by an evaporation demister 9;
step (C4): the compressed and heated steam enters a heat exchanger 8 to exchange heat with working fluid and is condensed into liquid water to be discharged;
step (C5): the regenerated liquid in the separator 21 is conveyed to the heat exchanger 8 for circular heating through the evaporation circulating pump 20, and part of the regenerated liquid enters the liquid inlet of the dehumidification circulating pump 17 of the dehumidification system through the regenerated liquid return pipe 19 to supplement the dehumidification working liquid.
According to the invention, dry air is used for drying moisture-containing materials, the wet air is dehumidified by the working solution, the MVR system is used for concentrating and regenerating the working solution, and the sensible heat of the drying materials is recovered by the heat recovery system, so that the material drying energy consumption is reduced, and the environmental pollution is reduced.
The heat recovery implementation step of the material drying system of the invention; the dry heat materials in the discharge hopper 14 are circularly conveyed through the circulating water in the heat exchange pipe 12 by the heat exchange circulating pump 11 to exchange heat with the wet materials in the material distributor 2 so as to recover the sensible heat of the dry heat materials.
The automatic control and remote communication implementation steps of the material drying system of the invention are as follows: the feeding machine 1, the material distributor 2, the drying machine 3, the heat exchange circulating pump 11, the circulating fan 15, the dehumidification circulating pump 17, the working solution discharging pump 18, the MVR compressor 7 and the evaporation circulating pump 20 are respectively and electrically connected with the automatic control cabinet 6; the automatic control cabinet 6 supplies power to the feeding machine 1, the material distributor 2, the drying machine 3, the heat exchange circulating pump 11, the circulating fan 15, the dehumidification circulating pump 17, the working solution discharging pump 18, the MVR compressor 7 and the evaporation circulating pump 20, coordinates each device to work smoothly according to a set program, and simultaneously transmits signals such as system running states and faults outwards through a built-in functional module so as to facilitate remote monitoring and management.
The above description is only for the purpose of illustrating preferred embodiments of the present invention and is not intended to limit the scope of the present invention, so that the method steps and equivalent variations using the contents of the present specification and drawings are within the scope of the present invention.
Claims (10)
1. A material drying system which is characterized in that: the device comprises a drying and dehumidifying regeneration unit, wherein the drying and dehumidifying regeneration unit comprises a drying system for drying moisture-containing materials by using dry air, a dehumidifying system for dehumidifying the wet air by using working liquid and an MVR regeneration system for evaporating and concentrating the working liquid; the drying system is connected with the dehumidifying system through a pipeline, and the dehumidifying system is connected with the MVR regenerating system through a pipeline.
2. The material drying system of claim 1, wherein: the drying system comprises a feed hopper (10), a feeding machine (1), a material distributor (2), a drying machine (3), a discharge hopper (14), a circulating fan (15) and an air inlet pipe (13); the feed hopper (10) is connected with the material distributor (2) through the feeding machine (1); the material distributor (2) is connected with the dryer (3); the circulating fan (15) is connected with the dryer (3) through an air inlet pipe (13); the discharge hopper (14) is connected with the dryer (3).
3. The material drying system of claim 1, wherein: the dehumidification system comprises a return air pipe (4), a dehumidifier (16), a demister (5) and a dehumidification circulating pump (17); a dryer (3) of the drying system is connected with a dehumidifier (16) through an air return pipe (4); the demister (5) is connected with the dehumidifier (16); the inlet and outlet of the dehumidification circulating pump (17) are connected with the dehumidifier (16) through a pipeline.
4. The material drying system of claim 1, wherein: the MVR regeneration system comprises a working liquid discharge pump (18), a heat exchanger (8), an MVR compressor (7), a separator (21), an evaporation demister (9), an evaporation circulating pump (20) and a regeneration liquid return pipe (19); an inlet and an outlet of the working liquid discharge pump (18) are respectively connected with a dehumidifier (16) of a dehumidification system and an inlet of a heat exchanger (8) through pipelines; the outlet of the heat exchanger (8) is connected with the separator (21) through a pipeline; the evaporation demister (9) is connected with the separator (21); an inlet and an outlet of the MVR compressor (7) are respectively connected with an air outlet of the separator (21) and an air inlet of the heat exchanger (8) through pipelines; an inlet and an outlet of the evaporation circulating pump (20) are respectively connected with a discharge hole of the separator (21) and an inlet of the heat exchanger (8) through pipelines; and the regeneration liquid return pipe (19) is connected with an outlet of the evaporation circulating pump (20) and an inlet of a dehumidification circulating pump (17) of the dehumidification system.
5. The material drying system of claim 1, wherein: the heat recovery device also comprises a heat recovery unit, wherein the heat recovery unit comprises a heat exchange circulating pump (11) and a heat exchange pipe (12); the material distributor (2) of the drying system is connected with a discharge hopper (14) of the drying system through a heat exchange pipe (12) and a heat exchange circulating pump (11).
6. The material drying system of claim 1, wherein: the automatic control system also comprises an electric control unit, wherein the electric control unit is an automatic control cabinet (6) with a PLC program control and remote communication module.
7. A material drying method is characterized in that: the method comprises a drying step of drying moisture-containing materials by using dry air, a dehumidifying step of dehumidifying the wet air by using working solution and an MVR regenerating step of evaporating and concentrating the working solution.
8. The material drying method according to claim 7, characterized in that: the drying step comprises the following specific steps:
step (a 1): uniformly distributing moisture-containing materials in a feed hopper (10) on a dryer (3) through a feeding machine (1) and a material distributor (2);
step (a 2): dry hot air enters the dryer (3) through the circulating fan (15) through the air inlet pipe (13) to exchange heat with wet materials for evaporation;
step (a 3): the dry material is discharged out of the dryer (3) through a discharge hopper (14).
9. The material drying method according to claim 7, characterized in that: the specific method of the dehumidification step comprises the following steps:
step (B1): wet air after the drying materials absorb moisture enters a dehumidifier (16) through a return air pipe (4);
step (B2): the dehumidifying circulating pump (17) promotes the sprayed working solution to carry out heat-mass exchange with the humid air;
step (B3): the dehumidified air enters the return air duct (4) after water mist is collected by the demister (5).
10. The material drying method according to claim 7, characterized in that: the specific method of the MVR regeneration step is as follows:
step (C1): working liquid in a dehumidifier (16) of the dehumidification system is mixed with regenerated liquid at an outlet of an evaporation circulating pump (20) through a working liquid discharge pump (18) and enters a heat exchanger (8) for heat exchange;
step (C2): the mixed solution heated by the heat exchanger (8) enters a separator (21) for evaporation and concentration;
step (C3): the secondary steam generated by evaporation enters an MVR compressor (7) for compression and temperature rise after being subjected to vapor-liquid separation by an evaporation demister (9);
step (C4): the compressed and heated steam enters a heat exchanger (8) to exchange heat with working fluid and is condensed into liquid water to be discharged;
step (C5): the regenerated liquid in the separator (21) is conveyed to enter the heat exchanger (8) for circular heating through the evaporation circulating pump (20), and part of the regenerated liquid enters a liquid inlet of a dehumidification circulating pump (17) of the dehumidification system through a regenerated liquid return pipe (19) to supplement the dehumidification working liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344296.8A CN111059890A (en) | 2019-12-24 | 2019-12-24 | Material drying system and method |
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| CN201911344296.8A CN111059890A (en) | 2019-12-24 | 2019-12-24 | Material drying system and method |
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| CN111059890A true CN111059890A (en) | 2020-04-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748981A (en) * | 2020-06-16 | 2020-10-09 | 广东天美洗涤有限公司 | Through type drying equipment |
| CN113091310A (en) * | 2021-04-06 | 2021-07-09 | 江苏华源建筑设计研究院股份有限公司 | Water source heat pump drying system |
| CN113834316A (en) * | 2020-06-24 | 2021-12-24 | 中国科学院理化技术研究所 | Waste heat recovery system for drying process |
-
2019
- 2019-12-24 CN CN201911344296.8A patent/CN111059890A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111748981A (en) * | 2020-06-16 | 2020-10-09 | 广东天美洗涤有限公司 | Through type drying equipment |
| CN113834316A (en) * | 2020-06-24 | 2021-12-24 | 中国科学院理化技术研究所 | Waste heat recovery system for drying process |
| CN113091310A (en) * | 2021-04-06 | 2021-07-09 | 江苏华源建筑设计研究院股份有限公司 | Water source heat pump drying system |
| CN113091310B (en) * | 2021-04-06 | 2022-07-05 | 江苏华源建筑设计研究院股份有限公司 | Water source heat pump drying system |
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