CN109405423A - A kind of vacuum environment heat pump drying system - Google Patents
A kind of vacuum environment heat pump drying system Download PDFInfo
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- CN109405423A CN109405423A CN201811459099.6A CN201811459099A CN109405423A CN 109405423 A CN109405423 A CN 109405423A CN 201811459099 A CN201811459099 A CN 201811459099A CN 109405423 A CN109405423 A CN 109405423A
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- Prior art keywords
- pipeline
- vacuum environment
- heat pump
- drying system
- heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
A kind of vacuum environment heat pump drying system, including vacuum environment dryer (9), it is characterised in that: a kind of vacuum environment heat pump drying system further includes hot water circulating pipeline, vacuum suction pipeline, medium circulation pipeline, circulating chilled water pipeline.Baking needed heat and cooling capacity are provided using heat pump circulating system, it is different from conventional heat pump system and heat is only provided, cooling capacity is provided separately by cooling tower or cooling-water machine, system provides hot water and cold water simultaneously, for the matching for keeping cooling capacity and heat, increase finned heat exchanger in condensation side, increases electric control valve on refrigerant pipeline, can be adjusted according to material state.In circulating chilled water pipeline, increase water side electric control valve, motor and double-tube heat exchanger flow proportional can be distributed according to material state.Vacuum environment dryer is vacuumized using vacuum pump, reduces moisture evaporation temperature, reduces evaporation institute's calorific requirement, reduces drying energy consumption.Overall process closure, without externally discharge, no pollution to the environment.
Description
Technical field
The present invention relates to the drying fields and heating and field of heat exchange in industry manufacture, more specifically to one
Kind vacuum environment heat pump drying system.
Background technique
With economic development, in order to improve the speed of production of material, facilitate material transportation, improve material save it is reliable
Property, drying technology gradually applies in the daily production of all trades and professions.The drying technology mainly used at present includes: coal-burning boiler
Drying, gas fired-boiler drying, steam drying, electric heating drying, and in order to reduce environmental pollution, energy utilization rate is improved, drop
Low routine use expense guarantees that system run all right surname, safety, heat pump techniques are just more and more used in drying industry.
Existing heat pump drying technology is carried out in normal pressure drying environment, and moisture evaporation side heat source quality in material
Higher, evaporation rate is faster, therefore needs heat pump high-grade heat source, is just able to satisfy the progress of drying course.Meanwhile for heat pump system
System, in order to meet higher supply air temperature, need to improve system condensing temperature, in the case, system heating efficiency is lower.
Summary of the invention
To solve the above problems, the present invention provides a kind of vacuum environment heat pump drying system, it is empty to drying using vacuum pump
Between carry out vacuuming action, keep drying space certain vacuum degree, to reduce water boiling temperature, improve water evaporation speed.This
Outside, since water boiling temperature reduces, heat pump system institute heat supply air temperature is reduced, and reduces heat pump system condensation temperature, improves system
Heating efficiency reduces unit and runs power consumption, reaches energy conservation and consumption reduction effects.Technical solution is as follows.
A kind of vacuum environment heat pump drying system, including vacuum environment dryer 9, it is characterised in that: a kind of vacuum
Environmental heat pump drying system further includes hot water circulating pipeline, and the hot water circulating pipeline includes sequentially connected true with conduit ring-shaped
Altitude dryer 9, condensation side heat exchanger 2, hot water circulating pump 8.
Hot water heated material in vacuum environment dryer as a result, is heated in condensation side heat exchanger, completes hot water and follows
Ring.
A kind of vacuum environment heat pump drying system further includes vacuum suction pipeline, the vacuum suction pipeline include with
The sequentially connected vacuum environment dryer 1 of pipeline, vacuum pump 10, the set heat exchange of heat pipe 14, Condensed water collection driven with motor 28
Tank 16.
Vacuum environment can be manufactured in vacuum environment dryer as a result, be received after the vapor extraction that drying is formed is condensed
Collect to Condensed water collection tank.
A kind of vacuum environment heat pump drying system further includes medium circulation pipeline, the medium circulation pipeline include with
The sequentially connected gas-liquid separator 6 of conduit ring-shaped, compressor 1, condensation side heat exchanger 2, fluid reservoir 3, electric expansion valve 4, evaporation
Side heat exchanger 5.
Refrigerant can be pressurized within the compressor in the gaseous state as a result, and heat release is condensed in heat exchanger and is carried out to drying with water
Heating, the evaporation endothermic in evaporation side heat exchanger, completes refrigerant circulation in the liquid state.
A kind of vacuum environment heat pump drying system further includes circulating chilled water pipeline, the circulating chilled water pipeline include with
The sequentially connected evaporation side heat exchanger 5 of conduit ring-shaped, cold water circulation pump 12, set heat exchange of heat pipe 14.
As a result, cold water can set heat exchange of heat pipe in cooling vapor, cooled down in evaporation side heat exchanger, complete cold water
Circulation.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the medium circulation pipeline
In, the finned cooler 26 connected with pipeline, condensation side are provided between the medium side inlet and outlet of the condensation side heat exchanger 2
Medium side electric control valve 25 is provided on pipeline between the refrigerant side-entrance and the finned cooler of heat exchanger 2.
As a result, can a part of refrigerant of water conservancy diversion to finned cooler, according to the type and drying degree pair for being oven-dried material
Heat exchange amount in condensation side heat exchanger is adjusted.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the finned cooler
26 sides are provided with condensation fan 27.
It can be cooled down as a result, with condensation fan to finned cooler.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the circulating chilled water pipeline
In, it covers and is respectively arranged with No.1 triple valve 13 and No. two triple valves 15, the No.1 three on the pipeline of 14 2 side of heat exchange of heat pipe
It is provided with the motor cooling line for being connected to motor 28 between No. two triple valves 15 of port valve 13, is set on the motor cooling line
It is equipped with water side electric control valve 29.
The cold water in circulating chilled water can be used to cool down vaccum pump motor as a result, and according to the kind for being oven-dried material
Class dries degree and adjusts distribution motor and double-tube heat exchanger flow proportional, guarantees that vacuum pump condition is good.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the hot water circulating pump 8
No.1 Y-filter 7 is provided with before water inlet.
It may filter that the impurity in pipeline as a result,.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the cold water circulation pump 12
Water inlet before be provided with No. two Y-filters 11.
It may filter that the impurity in pipeline as a result,.
A kind of vacuum environment heat pump drying system according to the present invention, it is characterised in that: the vacuum pump 10 is sieve
Thatch pump.
A kind of vacuum environment heat pump drying system provided according to the present invention provides baking needed using heat pump circulating system
Heat and cooling capacity are different from conventional heat pump system and only provide heat, and cooling capacity is provided separately by cooling tower or cooling-water machine, and system is same
When hot water and cold water are provided, for the matching for keeping cooling capacity and heat, increase finned heat exchanger in condensation side, increase on refrigerant pipeline
Add electric control valve, it can be according to different material, different drying courses, dynamic regulation.In circulating chilled water pipeline, it is electronic to increase water side
Regulating valve distributes motor and double-tube heat exchanger flow proportional according to drying stage difference, guarantees that vacuum pump condition is good.Using
Vacuum pump vacuumizes vacuum environment dryer, reduces moisture evaporation temperature, reduces evaporation institute's calorific requirement, reduces drying energy consumption；
Meanwhile the reduction of evaporating temperature, evaporation rate is improved, while heat pump provides hot water, guarantees that drying environment temperature is stablized.System
Overall process closure, without externally discharge, no pollution to the environment.
Detailed description of the invention
Fig. 1 is a kind of vacuum environment heat pump drying system structural schematic diagram of the present invention.
Wherein 1 is compressor, and 2 be condensation side heat exchanger, and 3 be fluid reservoir, and 4 be electric expansion valve, and 5 exchange heat for evaporation side
Device, 6 be gas-liquid separator, and 7 be No.1 y-type filter, and 8 be hot water circulating pump, and 9 be vacuum environment dryer, and 10 be vacuum pump,
11 be No. two y-type filters, and 12 be cold water circulation pump, and 13 be No.1 triple valve, and 14 be double-tube heat exchanger, and 15 be No. two threeways
Valve, 16 be Condensed water collection tank, and 25 be medium side electric control valve, and 26 be finned cooler, and 27 be condensation fan, and 28 be vacuum
Pump motor, 29 be water side electric control valve.
Specific embodiment
A kind of vacuum environment heat pump drying system, including hot water circulating pipeline, vacuum suction pipeline, medium circulation pipeline,
Circulating chilled water pipeline
Hot water circulating pipeline includes with the sequentially connected vacuum environment dryer 9 of conduit ring-shaped, condensation side heat exchanger 2, Y shape
Filter 7, hot water circulating pump 8.
Vacuum suction pipeline includes with the sequentially connected vacuum environment dryer 1 of pipeline, the vacuum pump driven with motor 28
10, heat exchange of heat pipe 14, Condensed water collection tank 16 are covered.
Medium circulation pipeline includes with the sequentially connected gas-liquid separator 6 of conduit ring-shaped, compressor 1, condensation side heat exchanger
2, fluid reservoir 3, electric expansion valve 4, evaporation side heat exchanger 5, condensation side heat exchanger 2 medium side inlet and outlet between be provided with pipe
The finned cooler 26 of road connection, the pipeline between the refrigerant side-entrance and the finned cooler of condensation side heat exchanger 2
On be provided with medium side electric control valve 25.26 side of finned cooler is provided with condensation fan 27.
Circulating chilled water pipeline includes with conduit ring-shaped 5, No. two 13 cold water of Y-filter of sequentially connected evaporation side heat exchanger
Circulating pump 12, set heat exchange of heat pipe 14.It covers and is respectively arranged with No.1 triple valve 13 and two on the pipeline of 14 2 side of heat exchange of heat pipe
Number triple valve 15 is provided with the motor cooling line for being connected to motor 28 between No. two triple valves 15 of No.1 triple valve 13, electricity
Water side electric control valve 29 is provided on machine cooling line.
A kind of vacuum environment heat pump drying system provided according to the present invention provides baking needed using heat pump circulating system
Heat and cooling capacity are different from conventional heat pump system and only provide heat, and cooling capacity is provided separately by cooling tower or cooling-water machine, and system is same
When hot water and cold water are provided, for the matching for keeping cooling capacity and heat, increase finned heat exchanger in condensation side, increase on refrigerant pipeline
Add electric control valve, it can be according to different material, different drying courses, dynamic regulation.In circulating chilled water pipeline, increase water side electricity
Dynamic regulating valve distributes motor and double-tube heat exchanger flow proportional according to drying stage difference, guarantees that vacuum pump condition is good.It adopts
Vacuum environment dryer is vacuumized with vacuum pump, reduces moisture evaporation temperature, reduces evaporation institute's calorific requirement, reduces drying energy
Consumption；Meanwhile the reduction of evaporating temperature, evaporation rate is improved, while heat pump provides hot water, guarantees that drying environment temperature is stablized.
System overall process closure, without externally discharge, no pollution to the environment.
Claims (7)
1. a kind of vacuum environment heat pump drying system, including vacuum environment dryer (9), it is characterised in that: a kind of vacuum
Environmental heat pump drying system further includes hot water circulating pipeline, and the hot water circulating pipeline includes sequentially connected true with conduit ring-shaped
Altitude dryer (9), condensation side heat exchanger (2), hot water circulating pump 8；A kind of vacuum environment heat pump drying system also wraps
Vacuum suction pipeline is included, the vacuum suction pipeline includes with the sequentially connected vacuum environment dryer (1) of pipeline, with motor 28
Vacuum pump 10, the set heat exchange of heat pipe 14, Condensed water collection tank 16 of driving；A kind of vacuum environment heat pump drying system further includes
Medium circulation pipeline, the medium circulation pipeline include with the sequentially connected gas-liquid separator of conduit ring-shaped (6), compressor (1),
Condensation side heat exchanger (2), fluid reservoir (3), electric expansion valve (4), evaporation side heat exchanger (5)；A kind of vacuum environment heat pump
Drying system further includes circulating chilled water pipeline, and the circulating chilled water pipeline includes with the sequentially connected evaporation side heat exchange of conduit ring-shaped
Device (5), cold water circulation pump (12), set heat exchange of heat pipe (14).
2. a kind of vacuum environment heat pump drying system as described in claim 1, it is characterised in that: the medium circulation pipeline
In, it is provided with the finned cooler (26) connected with pipeline between the medium side inlet and outlet of the condensation side heat exchanger (2), it is cold
Medium side electric control valve is provided on pipeline between the refrigerant side-entrance and the finned cooler of solidifying side heat exchanger (2)
(25)。
3. a kind of vacuum environment heat pump drying system as claimed in claim 2, it is characterised in that: the finned cooler (26)
Side is provided with condensation fan (27).
4. a kind of vacuum environment heat pump drying system as described in claim 1, it is characterised in that: the circulating chilled water pipeline
In, it covers and is respectively arranged with No.1 triple valve (13) and No. two triple valves (15) on the pipeline of (14) two side of heat exchange of heat pipe, it is described
The motor cooling line for being connected to motor (28), the motor are provided between No. two triple valves (15) of No.1 triple valve (13)
Water side electric control valve (29) is provided on cooling line.
5. a kind of vacuum environment heat pump drying system as described in claim 1, it is characterised in that: the hot water circulating pump (8)
Water inlet before be provided with No.1 Y-filter (7).
6. a kind of vacuum environment heat pump drying system as described in claim 1, it is characterised in that: the cold water circulation pump (12)
Water inlet before be provided with No. two Y-filters (11).
7. a kind of vacuum environment heat pump drying system as described in claim 1, it is characterised in that: the vacuum pump (10) is sieve
Thatch pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459099.6A CN109405423A (en) | 2018-11-30 | 2018-11-30 | A kind of vacuum environment heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459099.6A CN109405423A (en) | 2018-11-30 | 2018-11-30 | A kind of vacuum environment heat pump drying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109405423A true CN109405423A (en) | 2019-03-01 |
Family
ID=65456934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811459099.6A Pending CN109405423A (en) | 2018-11-30 | 2018-11-30 | A kind of vacuum environment heat pump drying system |
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| Country | Link |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1529097A (en) * | 2003-10-16 | 2004-09-15 | 大连冰山集团有限公司 | Heating-air conditioning-hot-water system |
| CN203132310U (en) * | 2013-01-30 | 2013-08-14 | 陕西科技大学 | Vacuum box type drying device |
| CN207123157U (en) * | 2017-08-21 | 2018-03-20 | 烟台明辉热泵节能科技有限公司 | Vacuum heat pump drying system |
| CN209639365U (en) * | 2018-11-30 | 2019-11-15 | 江苏天舒电器有限公司 | A kind of vacuum environment heat pump drying system |
-
2018
- 2018-11-30 CN CN201811459099.6A patent/CN109405423A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1529097A (en) * | 2003-10-16 | 2004-09-15 | 大连冰山集团有限公司 | Heating-air conditioning-hot-water system |
| CN203132310U (en) * | 2013-01-30 | 2013-08-14 | 陕西科技大学 | Vacuum box type drying device |
| CN207123157U (en) * | 2017-08-21 | 2018-03-20 | 烟台明辉热泵节能科技有限公司 | Vacuum heat pump drying system |
| CN209639365U (en) * | 2018-11-30 | 2019-11-15 | 江苏天舒电器有限公司 | A kind of vacuum environment heat pump drying system |
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