CN111102826A - Dust removal type heat pump air source grain drying-machine - Google Patents
Dust removal type heat pump air source grain drying-machine Download PDFInfo
- Publication number
- CN111102826A CN111102826A CN201911095036.1A CN201911095036A CN111102826A CN 111102826 A CN111102826 A CN 111102826A CN 201911095036 A CN201911095036 A CN 201911095036A CN 111102826 A CN111102826 A CN 111102826A
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- Prior art keywords
- heat pump
- valve
- type heat
- air source
- dust
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- 239000000428 dust Substances 0.000 title claims abstract description 25
- 238000001035 drying Methods 0.000 claims abstract description 33
- 239000007788 liquid Substances 0.000 claims description 41
- 238000005057 refrigeration Methods 0.000 claims description 17
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 12
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
Images
Classifications
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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
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/06—Air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
-
- 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
- F26B21/003—Supply-air or gas filters
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
- F26B2200/06—Grains, e.g. cereals, wheat, rice, corn
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a dust-removing type heat pump air source grain dryer which comprises an indoor unit, an outdoor unit, a drying conveyor, a cyclone dust collector and a room body air filter, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor through pipelines, the cyclone dust collector is arranged on an air channel of the drying conveyor, and the room body air filter is arranged in the room. The invention has the beneficial effects that: the dust-removing type heat pump air source grain dryer is designed to continuously provide high-quality high-temperature hot air. Four systems are adopted, so that constant high-temperature air outlet can be generated due to seasonal changes and load changes; the cyclone dust collector is added on the air duct, and the room body air filter is added on the room body, so that the air supply quality is improved, high-quality hot air is recycled, the energy is saved, the environment is protected, and the normal operation of the unit is ensured.
Description
Technical Field
The invention relates to the field of dryers, in particular to a dust removal type heat pump air source grain dryer.
Background
At present, domestic grain drying adopts heat pump units or electric heating equipment: the electric heating equipment consumes energy seriously, a whole set of process flow is obtained, and the earned profits are consumed in the electricity cost; the heat pump type air source dryer can achieve the expected effect by adopting little electricity charge, but after the air source dryer operates for a period of time, as sundries in grains are too much, sundries similar to starch are attached to a filter screen, an air duct is seriously blocked, the unit effect is worse and worse, and finally the air source dryer stops operating; the existing unit can not continuously supply high-temperature hot air along with the change of seasons.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides a dust-removing type heat pump air source grain dryer.
The purpose of the invention is realized by the following technical scheme.
A dust removal type heat pump air source grain dryer comprises an indoor unit, an outdoor unit, a drying conveyor, a cyclone dust collector and a room body air filter, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor through pipelines, the cyclone dust collector is arranged on an air channel of the drying conveyor, and the room body air filter is arranged in the room;
the indoor set with the outdoor unit constitutes heat pump system, and this drying-machine includes four heat pump system of establishing ties, this every group heat pump system respectively including install in the finned evaporator of indoor set and install in totally closed compressor, four-way reversing valve, finned condenser, reservoir, drier-filter, solenoid valve, expansion valve and vapour and liquid separator in the outdoor unit, the one end of finned evaporator through the refrigeration pipeline with the finned condenser is connected, the other end of finned evaporator connects vapour and liquid separator through the return air pipeline, reservoir, drier-filter, solenoid valve and expansion valve establish ties in proper order on the refrigeration pipeline, totally closed compressor's discharge valve passes through the four-way reversing valve with the finned condenser is linked together, totally closed compressor's admission valve with vapour and liquid separator is linked together.
Furthermore, the expansion valve is arranged on a connecting pipeline between the finned condenser and the electromagnetic valve.
Furthermore, two ends of the expansion valve on the refrigeration pipeline are provided with one-way valves.
Furthermore, a one-way valve is arranged on a connecting pipeline between the liquid storage device and the expansion valve.
Furthermore, four groups of fin evaporators of the indoor unit are sequentially connected in series.
Further, a unit air filter is arranged at the finned evaporator.
Further, the centrifugal blower is arranged at an air outlet of the indoor unit.
Further, an axial flow fan is arranged on one side of the finned condenser.
Further, a low-pressure meter is arranged between the totally-enclosed compressor and the gas-liquid separator and is connected with a low-pressure controller.
Further, a through valve and a safety valve are sequentially arranged on a pipeline between the totally-enclosed compressor and the four-way reversing valve, a high-pressure gauge is arranged between the totally-enclosed compressor and the through valve, and the high-pressure gauge is connected with a high-pressure controller.
The invention has the beneficial effects that:
the dust-removing type heat pump air source grain dryer is designed to continuously provide high-quality high-temperature hot air. Four systems are adopted, so that constant high-temperature air outlet can be generated due to seasonal changes and load changes; the cyclone dust collector is added on the air duct, and the room body air filter is added on the room body, so that the air supply quality is improved, high-quality hot air is recycled, the energy is saved, the environment is protected, and the normal operation of the unit is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure:
1. a reservoir; 2. a gas-liquid separator; 3. a compressor; 4. a straight-through valve; 5. a safety valve; 6. a four-way reversing valve;
7. a high pressure gauge; 8. a high voltage controller; 9. a low-voltage controller; 10. a low pressure gauge; 11. drying the filter;
12. a condenser; 13. an axial flow fan; 14. an expansion valve; 15. an electromagnetic valve; 16. a sight glass;
17. a unit air filter; 18. an evaporator; 19. a blower; 20. a house air filter;
21. a cyclone dust collector; 22. and (4) drying the conveyor.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
A dust removal type heat pump air source grain dryer comprises an indoor unit, an outdoor unit, a drying conveyor 22, a cyclone dust collector 21 and a room body air filter 20, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor 22 through pipelines, the cyclone dust collector 21 is arranged on an air duct of the drying conveyor 22, and the room body air filter 20 is arranged in the room;
the indoor machine and the outdoor machine form a heat pump system, the dryer comprises four heat pump systems connected in series, each group of heat pump systems respectively comprises a finned evaporator 18 arranged in an indoor unit, a totally-enclosed compressor 3 arranged in an outdoor unit, a four-way reversing valve 6, a finned condenser 12, a liquid storage device 1, a drying filter 11, an electromagnetic valve 15, an expansion valve 14 and a gas-liquid separator 2, one end of the finned evaporator 18 is connected with the finned condenser 12 through a refrigeration pipeline, the other end of the finned evaporator 18 is connected with the gas-liquid separator 2 through a gas return pipeline, the refrigerating pipeline is sequentially connected with the liquid storage device 1, the drying filter 11, the electromagnetic valve 15 and the expansion valve 14 in series, an exhaust valve of the totally-enclosed compressor 3 is communicated with the finned condenser 12 through the four-way reversing valve 6, and an intake valve of the totally-enclosed compressor 3 is communicated with the gas-liquid separator 2.
Example 2
A dust removal type heat pump air source grain dryer comprises an indoor unit, an outdoor unit, a drying conveyor 22, a cyclone dust collector 21 and a room body air filter 20, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor 22 through pipelines, the cyclone dust collector 21 is arranged on an air duct of the drying conveyor 22, and the room body air filter 20 is arranged in the room;
the indoor unit and the outdoor unit form a heat pump system, the dryer comprises four heat pump systems which are connected in series, each heat pump system comprises a finned evaporator 18 which is arranged in the indoor unit, and a totally-enclosed compressor 3, a four-way reversing valve 6, a finned condenser 12, a liquid storage device 1, a drying filter 11, an electromagnetic valve 15, an expansion valve 14 and a gas-liquid separator 2 which are arranged in the outdoor unit, the four groups of finned evaporators 18 of the indoor unit are sequentially connected in series, one end of the finned evaporator 18 is connected with the finned condenser 12 through a refrigeration pipeline, the other end of the finned evaporator 18 is connected with the gas-liquid separator 2 through a gas return pipeline, the liquid storage device 1, the drying filter 11, the electromagnetic valve 15 and the expansion valve 14 are sequentially connected in series on the refrigeration pipeline, the totally-enclosed compressor 3 is communicated with the finned condenser 12 through the, an air inlet valve of the totally-enclosed compressor 3 is communicated with the gas-liquid separator 2.
An expansion valve 14 is arranged on a connecting pipeline between the finned condenser 12 and the electromagnetic valve 15, one-way valves are arranged at two ends of the expansion valve 14 on the refrigeration pipeline, and one-way valves are arranged on a connecting pipeline between the liquid storage device 1 and the expansion valve 14.
Example 3
A dust removal type heat pump air source grain dryer comprises an indoor unit, an outdoor unit, a drying conveyor 22, a cyclone dust collector 21 and a room body air filter 20, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor 22 through pipelines, the cyclone dust collector 21 is arranged on an air duct of the drying conveyor 22, and the room body air filter 20 is arranged in the room;
the indoor unit and the outdoor unit form a heat pump system, the dryer comprises four heat pump systems which are connected in series, each heat pump system comprises a finned evaporator 18 which is arranged in the indoor unit, and a totally-enclosed compressor 3, a four-way reversing valve 6, a finned condenser 12, a liquid storage device 1, a drying filter 11, an electromagnetic valve 15, an expansion valve 14 and a gas-liquid separator 2 which are arranged in the outdoor unit, the four groups of finned evaporators 18 of the indoor unit are sequentially connected in series, one end of the finned evaporator 18 is connected with the finned condenser 12 through a refrigeration pipeline, the other end of the finned evaporator 18 is connected with the gas-liquid separator 2 through a gas return pipeline, the liquid storage device 1, the drying filter 11, the electromagnetic valve 15 and the expansion valve 14 are sequentially connected in series on the refrigeration pipeline, the totally-enclosed compressor 3 is communicated with the finned condenser 12 through the, an air inlet valve of the totally-enclosed compressor 3 is communicated with the gas-liquid separator 2.
An expansion valve 14 is arranged on a connecting pipeline between the finned condenser 12 and the electromagnetic valve 15, one-way valves are arranged at two ends of the expansion valve 14 on the refrigeration pipeline, and one-way valves are arranged on a connecting pipeline between the liquid storage device 1 and the expansion valve 14.
The finned evaporator 18 is provided with a unit air filter 17, the centrifugal blower 18 is arranged at an air outlet of the indoor unit, and one side of the finned condenser 12 is provided with an axial flow fan 13.
Example 4
A dust removal type heat pump air source grain dryer comprises an indoor unit, an outdoor unit, a drying conveyor 22, a cyclone dust collector 21 and a room body air filter 20, wherein the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor 22 through pipelines, the cyclone dust collector 21 is arranged on an air duct of the drying conveyor 22, and the room body air filter 20 is arranged in the room;
the indoor unit and the outdoor unit form a heat pump system, the dryer comprises four heat pump systems which are connected in series, each heat pump system comprises a fin evaporator 18 arranged in the indoor unit, a totally-enclosed compressor 3 arranged in the outdoor unit, a four-way reversing valve 6, a fin condenser 12, a liquid storage device 1, a drying filter 11, an electromagnetic valve 15, an expansion valve 14 and a gas-liquid separator 2, the four fin evaporators 18 of the indoor unit are sequentially connected in series, one end of the fin evaporator 18 is connected with the fin condenser 12 through a refrigeration pipeline, the other end of the fin evaporator 18 is connected with the gas-liquid separator 2 through a gas return pipeline, the liquid storage device 1, the drying filter 11, the electromagnetic valve 15 and the expansion valve 14 are sequentially connected in series on the refrigeration pipeline, a sight glass 16 is arranged between the drying filter 11 and the electromagnetic valve 15, and an exhaust valve of the totally-enclosed compressor 3 is communicated with the fin condenser 12, an air inlet valve of the totally-enclosed compressor 3 is communicated with the gas-liquid separator 2.
An expansion valve 14 is arranged on a connecting pipeline between the finned condenser 12 and the electromagnetic valve 15, one-way valves are arranged at two ends of the expansion valve 14 on the refrigeration pipeline, and one-way valves are arranged on a connecting pipeline between the liquid storage device 1 and the expansion valve 14.
The finned evaporator 18 is provided with a unit air filter 17, the centrifugal blower 18 is arranged at an air outlet of the indoor unit, and one side of the finned condenser 12 is provided with an axial flow fan 13.
A low pressure meter 10 is arranged between an air inlet valve of the totally-enclosed compressor 3 and the gas-liquid separator 2, and the low pressure meter 10 is connected with a low pressure controller 9.
A straight-through valve 4 and a safety valve 5 are sequentially arranged on a pipeline between the totally-enclosed compressor 3 and the four-way reversing valve 6; a high pressure gauge 7 is arranged between the totally-enclosed compressor 3 and the straight-through valve 4, and the high pressure gauge 7 is connected with a high pressure controller 8.
The working process is as follows: the compressor 3 compresses the refrigerant into high-temperature and high-pressure refrigerant steam, the high-temperature and high-pressure refrigerant steam enters the condenser 12 through the four-way reversing valve 6, the high-temperature and high-pressure refrigerant steam further exchanges heat with outdoor air in the condenser 12, the high-temperature and high-pressure refrigerant steam exchanges heat into high-temperature and high-pressure refrigerant liquid, and sequentially passes through the liquid storage device 1, the drying filter 11, the electromagnetic valve 15 and the expansion valve 14 to form low-temperature and low-pressure refrigerant liquid, the low-temperature and low-pressure refrigerant liquid further exchanges heat with the indoor air entering the evaporator 18, the indoor air exchanges heat to form low-temperature gas, the low-temperature and low-pressure refrigerant liquid exchanges heat to form low-temperature and low-pressure refrigerant steam, and the refrigerant is sequentially conveyed to a compressor 3 through a four-way reversing valve 6 and a gas-liquid separator 2 to be continuously compressed into high-temperature and high-pressure refrigerant steam to form a refrigeration cycle, and the heat pump is implemented by reversing through the four-way reversing valve 6 during operation, so that heat is obtained in a room.
The four embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a dust type heat pump air source grain drying-machine which characterized in that: the indoor unit is arranged in a room, the indoor unit is respectively connected with the outdoor unit and the drying conveyor through pipelines, the cyclone dust collector is arranged on an air duct of the drying conveyor, and the room air filter is arranged in the room;
the indoor set with the outdoor unit constitutes heat pump system, and this drying-machine includes four heat pump system of establishing ties, this every group heat pump system respectively including install in the finned evaporator of indoor set and install in totally closed compressor, four-way reversing valve, finned condenser, reservoir, drier-filter, solenoid valve, expansion valve and vapour and liquid separator in the outdoor unit, the one end of finned evaporator through the refrigeration pipeline with the finned condenser is connected, the other end of finned evaporator connects vapour and liquid separator through the return air pipeline, reservoir, drier-filter, solenoid valve and expansion valve establish ties in proper order on the refrigeration pipeline, totally closed compressor's discharge valve passes through the four-way reversing valve with the finned condenser is linked together, totally closed compressor's admission valve with vapour and liquid separator is linked together.
2. The dust-removing type heat pump air source grain dryer of claim 1, wherein: and the expansion valve is arranged on a connecting pipeline between the finned condenser and the electromagnetic valve.
3. The dust-removing type heat pump air source grain dryer of claim 2, wherein: and one-way valves are arranged at two ends of the expansion valve on the refrigeration pipeline.
4. The dust-removing type heat pump air source grain dryer of claim 3, wherein: and a one-way valve is arranged on a connecting pipeline between the liquid storage device and the expansion valve.
5. The dust-removing type heat pump air source grain dryer of any one of claims 1 to 4, characterized in that: the four groups of fin evaporators of the indoor unit are sequentially connected in series.
6. The dust-removing type heat pump air source grain dryer of claim 5, wherein: and a unit air filter is arranged at the fin type evaporator.
7. The dust-removing type heat pump air source grain dryer of claim 6, wherein: the centrifugal blower is arranged at the air outlet of the indoor unit.
8. The dust-removing type heat pump air source grain dryer of claim 7, wherein: and an axial flow fan is arranged on one side of the finned condenser.
9. The dust-removing type heat pump air source grain dryer of claim 7, wherein: and a low-pressure meter is arranged between the totally-enclosed compressor and the gas-liquid separator and is connected with a low-pressure controller.
10. The dust-removing type heat pump air source grain dryer of claim 9, wherein: a through valve and a safety valve are sequentially arranged on a pipeline between the totally-enclosed compressor and the four-way reversing valve, a high-pressure gauge is arranged between the totally-enclosed compressor and the through valve, and the high-pressure gauge is connected with a high-pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095036.1A CN111102826A (en) | 2019-11-11 | 2019-11-11 | Dust removal type heat pump air source grain drying-machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911095036.1A CN111102826A (en) | 2019-11-11 | 2019-11-11 | Dust removal type heat pump air source grain drying-machine |
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| Publication Number | Publication Date |
|---|---|
| CN111102826A true CN111102826A (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911095036.1A Pending CN111102826A (en) | 2019-11-11 | 2019-11-11 | Dust removal type heat pump air source grain drying-machine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204535335U (en) * | 2015-01-23 | 2015-08-05 | 迈安德集团有限公司 | A kind of heating material dehumidification system |
| CN106594907A (en) * | 2016-08-31 | 2017-04-26 | 江苏永昇空调有限公司 | Special intelligent air conditioning unit of grain storehouse |
| CN109661909A (en) * | 2019-01-28 | 2019-04-23 | 四川吉鑫源科技有限公司 | A kind of dedicated cooling system of energy saving integral silo |
| CN211782630U (en) * | 2019-11-11 | 2020-10-27 | 江苏永昇空调有限公司 | Dust removal type heat pump air source grain drying-machine |
-
2019
- 2019-11-11 CN CN201911095036.1A patent/CN111102826A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204535335U (en) * | 2015-01-23 | 2015-08-05 | 迈安德集团有限公司 | A kind of heating material dehumidification system |
| CN106594907A (en) * | 2016-08-31 | 2017-04-26 | 江苏永昇空调有限公司 | Special intelligent air conditioning unit of grain storehouse |
| CN109661909A (en) * | 2019-01-28 | 2019-04-23 | 四川吉鑫源科技有限公司 | A kind of dedicated cooling system of energy saving integral silo |
| CN211782630U (en) * | 2019-11-11 | 2020-10-27 | 江苏永昇空调有限公司 | Dust removal type heat pump air source grain drying-machine |
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