CN106403516A - Energy-saving uniform-temperature-heating plastic drier and energy saving method - Google Patents
Energy-saving uniform-temperature-heating plastic drier and energy saving method Download PDFInfo
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- CN106403516A CN106403516A CN201610321407.3A CN201610321407A CN106403516A CN 106403516 A CN106403516 A CN 106403516A CN 201610321407 A CN201610321407 A CN 201610321407A CN 106403516 A CN106403516 A CN 106403516A
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- heating
- temperature
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- dried
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses an energy-saving uniform-temperature-heating plastic drier and an energy saving method. The drier comprises a fan, an air guide pipe, a finned heater, a temperature sensor, a rectifier, a drying box main body, a heat insulating layer, a filter, an air vent, a discharging hole and a control cabinet. By virtue of the finned heater and the rectifier, the energy-saving uniform-temperature-heating plastic drier disclosed by the invention is capable of solving the problem that a traditional electric heating tube is non-uniform in air temperature and heating of the section due to lack of heat exchange surfaces, improving the temperature uniformity and effectiveness of heating, reducing the temperature of a heating tube, reducing ineffective heating of a section part, improving the heating efficiency and the heat exchange efficiency and reducing heat loss of a heat exchange tube; by adopting a temperature sensor and a relay switch device, the temperature of air entering the drying box is fed back to the control cabinet, and a heating circuit in the control cabinet is intelligently adjusted to realize an energy saving effect.
Description
Technical field
The invention belongs to drying machine energy-saving field and in particular to a kind of energy-saving samming heating of plastic drying machine and
Power-economizing method.
Background technology
Drying and dehydrating is one of critical process flow process of plastic processing, for plastics-production quality have important
Impact.In order to realize the dry run of material, the general drying system of tradition is conveyed by electrothermal tube heating blower
Air reach baking temperature and subsequently enter drying box and be dried.However, the general drying system of tradition exists
Subject matter be that energy consumption is too high, under normal circumstances capacity usage ratio be only 50% about, even lower,
There is the huge energy saving space.For high energy consumption problem, Chinese patent CN 201410747026.2 and China are special
Sharp CN 201520396233.8 individually discloses a kind of energy-efficient drying system of utilization drying box afterbody waste heat,
Improve the capacity usage ratio of system.The method belongs to by realizing energy-conservation to drying system cascaded utilization of energy
Purpose, but fundamentally do not solve the energy that the traditional drying system electrothermal tube efficiency of heating surface lowly leads to
The low essential problem of utilization rate.
Heat the low problem of heat exchange efficiency for electrothermal tube, Chinese patent CN 03121880.6 has abandoned tradition
Electrothermal tube heating, a kind of electromagnetic heating method is proposed realizing material is heated and then improve heating
The purpose of efficiency.Chinese patent CN 201010106224.2 proposes a kind of superconducting heater to improve heating heat exchange
Efficiency.However, Electromagnetic Heating and superconductive heating, compared with the heating of traditional electrothermal tube, exist relatively costly etc.
Problem.
Therefore, traditional electric heating tube heat exchange efficiency and heat transfer effect how are improved, from the heat exchange improving bringing-up section
Efficiency reduces this essence of radiation loss and gets on to improve the capacity usage ratio of plastics drying system, is also that plastics are done
The important directions of drying system reducing energy consumption.
Content of the invention
It is an object of the invention to overcoming above-mentioned deficiency, proposing a kind of energy-saving quick samming heated type plastics and doing
Dry machine and power-economizing method.
For achieving the above object, the present invention employs the following technical solutions：
Energy-saving samming heating of plastic drying machine include blower fan, guide duct, fin heats device, temperature sensor,
Rectifier, box main body, heat-insulation layer, filter, exhaust outlet, discharging opening and control cabinet are dried；Blower fan passes through
Guide duct and box main body hot-wind inlet is dried is sequentially connected with；The entrance of guide duct is equipped with fin heats device, wing
Piece heater is coaxially connected with guide duct；The stage casing pipe of guide duct is built with rectifier, guide duct terminus inner
It is disposed with temperature sensor, blower fan, fin heats device, temperature sensor are connected with control cabinet respectively；It is dried
Box main body top is provided with exhaust outlet, and bottom is provided with discharging opening, arranges filter in exhaust outlet；Guide duct, dry
All it is laid with heat-insulation layer outside dry box main body.
Fin heats device includes installing hole, heating tube and finned tube, wherein heating tube and finned tube in installing hole
Place is formed by expanded joint.Finned tube includes fin tube body, outer fin and inner fin structure, fin tube body
External rings are provided with several cavitys around being laid with a plurality of outer fin, finned tube body interior, around cloth in cavity
It is provided with a plurality of inner fin, the space of the gap between outer fin and guide duct and inner fin clamping formation is equal
Constitute runner.
Described control cabinet includes connected master board and relay switch.
The equivalent diameter of described fin heats device and guide duct compares D1/D2=0.6～0.95.
Another object of the present invention is to providing a kind of section using described energy-saving samming heating of plastic drying machine
Energy method, step is as follows：The Cryogenic air that blower fan introduces is heated to after design temperature through fin heats device to be passed through
Guide duct and rectifier inflow are dried box main body and are dried；Strengthening due to the finned tube of fin heats device is changed
Thermal effect, so that the mutually synthermal required temperature difference that is heated to air of heating tube reduces, reduces heating
Power is it is achieved that first step energy-conservation purpose；Finned tube improves the uniform temperature of heating, more whole by rectifier
Stream mixing, it is to avoid the invalid heating that local edge intensification not leads to, improves plus heat availability, real
Show second step energy-conservation purpose；The temperature of box main body be dried reach the design temperature upper limit when temperature sensor records,
In control panel, master board disconnects heater circuit by relay switch, stops fin heats device and continues the heating that heats up,
The waste heat only leaning on fin heats device itself maintains heat-exchange temperature, when the temperature that box main body is dried reaches design temperature
When reaching lower limit, reopen heater circuit heating, on the one hand avoid temperature too high to be dried box main body dry
The destruction of material, on the other hand decreases the power consumption penalty continuing that heating brings, has reached the 3rd step energy-conservation
Purpose；Guide duct, the heat-insulation layer being dried outside box main body stop the radiation loss of high-temperature part it is achieved that the 4th
The purpose of step energy-conservation.
The present invention compared with prior art, has the advantages that：
(1) present invention solves traditional electrothermal tube by fin heats device and leads to because heat-transfer surface is not enough section empty
The uneven problem of temperature degree heating, while improve uniform temperature, reduces the temperature of heating tube, decreases
The invalid heating of section, improves heating heat exchange efficiency and the radiation loss reducing heat exchanger tube.
(2) pass through using a series of device such as temperature sensor, relay switch, drying box air themperature will be entered
Feed back to control cabinet, Intelligent adjustment is carried out to heater circuit in control cabinet, thus reaching energy-saving effect.
(3) present invention pass through in bringing-up section outlet adopt fairing it is achieved that hot fluid temperature uniform
Mixing is it is achieved that enter the uniform temperature of drying box air, and provides more accurately for the collection of sensor temperature
Signal, reaches energy-saving effect.
Brief description
Fig. 1 is energy-saving quick samming heated type plastic dryer overall structure diagram；
Fig. 2 is bringing-up section axial sectional diagrammatical view illustration；
Fig. 3 is bringing-up section Section A-A radial section schematic diagram；
Fig. 4 is the power-economizing method schematic diagram of energy-saving quick samming heated type plastic dryer；
In figure：Blower fan 1, guide duct 2, fin heats device 3, temperature sensor 4, rectifier 5, drying box
Main body 6, heat-insulation layer 7, filter 8, exhaust outlet 9, discharging opening 10, control cabinet 11, installing hole 12, plus
Heat pipe 13, finned tube 14, fin tube body 15, outer fin 16 and inner fin 17, runner 18, control panel
19 and relay switch 20.
Specific embodiment
As Figure 1-4, a kind of energy-saving samming heating of plastic drying machine, including blower fan 1, guide duct 2,
Fin heats device 3, temperature sensor 4, rectifier 5, be dried box main body 6, heat-insulation layer 7, filter 8,
Exhaust outlet 9, discharging opening 10, control cabinet 11；Blower fan 1 and guide duct 2 and box main body 6 hot-wind inlet is dried
It is sequentially connected with；, equipped with fin heats device 3, fin heats device 3 is coaxial with guide duct 2 for the entrance of guide duct 2
It is connected；The stage casing of guide duct 2 is disposed with temperature sensor 4 equipped with rectifier 5, guide duct 2 terminus inner,
Blower fan 1, fin heats device 3, temperature sensor 4 are connected with control cabinet 11 respectively；It is dried on box main body 6
Portion is provided with exhaust outlet 9, and bottom is provided with discharging opening 10, arranges filter 8 in exhaust outlet 9；Guide duct 2, dry
Dry box main body 6 is outer to be all laid with heat-insulation layer 7.
Fin heats device 3 includes installing hole 12, heating tube 13 and finned tube 14, wherein heating tube 13 and wing
Piece pipe 14 is formed by expanded joint at installing hole 12.Finned tube 14 includes fin tube body 15, outer fin
16 and inner fin 17 structure, fin tube body 15 external rings are around being laid with a plurality of outer fin 16, basic cincture
Full body surrounding.It (is 2 in the present embodiment that body interior is provided with several cavitys connecting up and down with body exterior
Individual), cavity inside diameter is laid with a plurality of inner fin 17 to cincture.Gap between outer fin 16 and guide duct 2,
And the space that inner fin clamping is formed all constitutes the runner 18 that blower fan introduces wind.
Control cabinet 11 includes connected master board 19 and relay switch 20, and relay is passed through in master board 19
Switch 17 disconnection heater circuit.
The equivalent diameter of described fin heats device 3 and guide duct 2 is than D1/D2=0.6～0.95.
A kind of power-economizing method using described energy-saving samming heating of plastic drying machine, step is as follows：Blower fan 1
The Cryogenic air introducing is heated to through fin heats device 3 and is flowed by guide duct 2 and rectifier 5 after design temperature
Enter to be dried box main body 6 to be dried；Due to the enhanced heat exchange effect of the finned tube 14 of fin heats device 3, make
The mutually synthermal required temperature difference that is heated to air obtaining heating tube 13 reduces, and reduces heating power, real
Show first step energy-conservation purpose；Additionally, the introducing of finned tube 14 improves the uniform temperature of heating, by whole
Stream device 5 rectification mixing, it is to avoid the invalid heating that local edge intensification not leads to, improve heating have
Effect property is it is achieved that second step energy-conservation purpose；The temperature of box main body 6 is dried reaches when temperature sensor 4 records
The design temperature upper limit, master board 19 in control panel 11 disconnects heater circuit by relay switch 17, stops
Fin heats device 3 continues the heating that heats up, and only leans on the waste heat of fin heats device 3 itself to maintain heat-exchange temperature, when
When the temperature of box main body 6 is dried reaching design temperature and reach lower limit, reopen heater circuit heating, a side
Face avoid temperature too high to the destruction that box main body 6 baking material is dried, on the other hand decrease continuation heating tape
The power consumption penalty come, has reached the purpose of the 3rd step energy-conservation；Guide duct 2, the heat-insulation layer being dried outside box main body 6
The radiation losses of 7 prevention high-temperature part are it is achieved that the purpose of the 4th step energy-conservation.
The specific work process of the present invention is as follows：
After blower fan is opened, open control cabinet breaker in middle and finned heat exchanger is started working.The sky of certain flow
Gas enters fin heats device through blower fan, passes through to install finned heat exchanger, improve heat exchanger in fin heats device
With the contact area of air, thus reached enhanced heat exchange, improve the efficiency of heating surface effect.Air is heated
Fairing is set in guide duct afterwards it is therefore an objective to be filled air uneven for heating-up temperature in heater
Divide rectification mixing, so that the hot-air entering in drying box mixes, reach quick-drying purpose.
In heating process, if the temperature of hot-air has reached highest after the rectification of temperature sensor measurement
Temperature or assigned temperature, then feed back to control panel by temperature sensor by signal, after control panel receipt signal,
By the heater circuit in relay switch cutting-off controlling case, stop the heating to air, only lean on fin heats device
The waste heat of itself maintains heat-exchange temperature, when the temperature that box main body is dried reaches design temperature and reaches lower limit, weight
New heater circuit of opening heats.
By the enforcement of invention, can fundamentally improve the heating heat exchange efficiency of heater, through on-the-spot test
Show, under the same conditions, the efficiency of heating surface of the method applied in the present invention can improve more than 45%, has
Energy-saving benefit well.
Simultaneously, the present invention, by carrying out further Insulation to high-temperature part, can carry further
High heat exchange efficiency, reduces heating power, improves the energy-saving efficiency of system.
Claims (4)
1. a kind of energy-saving samming heating of plastic drying machine it is characterised in that include blower fan (1), guide duct (2),
Fin heats device (3), temperature sensor (4), rectifier (5), be dried box main body (6), heat-insulation layer (7),
Filter (8), exhaust outlet (9), discharging opening (10) and control cabinet (11)；Blower fan (1) passes through wind-guiding
Pipe (2) and box main body (6) hot-wind inlet is dried is sequentially connected with；The entrance of guide duct (2) is equipped with fin
Heater (3), fin heats device (3) is coaxially connected with guide duct (2)；The stage casing pipe of guide duct (2)
Built with rectifier (5), guide duct (2) terminus inner is disposed with temperature sensor (4), blower fan (1),
Fin heats device (3), temperature sensor (4) are connected with control cabinet (11) respectively；Box main body (6) is dried
Top is provided with exhaust outlet (9), and bottom is provided with discharging opening (10), setting filter (8) in exhaust outlet (9)；
Guide duct (2), box main body (6) is dried all it is laid with outward heat-insulation layer (7)；
Fin heats device (3) includes installing hole (12), heating tube (13) and finned tube (14), wherein plus
Heat pipe (13) and finned tube (14) are formed by expanded joint at installing hole (12) place；Finned tube (14) wraps
Include fin tube body (15), outer fin (16) and inner fin (17) structure, fin tube body (15) is outward
Around being laid with a plurality of outer fin (16), fin tube body (15) is internal to be provided with several cavitys, cavity in portion
Interior cincture is laid with a plurality of inner fin (17), gap between outer fin (16) and guide duct (2), with
And the space that inner fin clamping is formed all constitutes runner (18).
2. the energy-saving quick samming heated type plastic dryer of one kind according to claim 1, its feature
It is that described control cabinet (11) includes master board (19) and relay switch (20).
3. the energy-saving quick samming heated type plastic dryer of one kind according to claim 1, its feature
It is that described fin heats device (3) and the equivalent diameter of guide duct (2) compare D1/D2=0.6～0.95.
4. a kind of usage right requires the power-economizing method of energy-saving samming heating of plastic drying machine described in 2, and it is special
Levy and be that step is as follows：The Cryogenic air that blower fan (1) introduces is heated to setting temperature through fin heats device (3)
Pass through guide duct (2) after degree and rectifier (5) inflow is dried box main body (6) and is dried；Due to fin
The enhanced heat exchange effect of finned tube (14) of heater (3) is so that heating air of heating tube (13)
Reduce to the mutually synthermal required temperature difference, reduce heating power, realize first step energy-conservation purpose；Fin
Pipe (14) improves the uniform temperature of heating, then mixed by rectifier (5) rectification, it is to avoid local edge
Heat up the invalid heating not leading to, and improves plus heat availability, realizes second step energy-conservation purpose；Work as temperature
Degree sensor (4) records and the temperature of box main body (6) is dried reaches the design temperature upper limit, control panel (11)
Interior master board (19) disconnects heater circuit by relay switch (17), stops fin heats device (3) and continues
Temperature of continuing rising heating, only leans on the waste heat of fin heats device (3) itself to maintain heat-exchange temperature, when box main body (6) is dried
Temperature when reaching design temperature and reaching lower limit, reopen heater circuit heating, on the one hand avoid temperature
Too high to the destruction that box main body (6) baking material is dried, on the other hand decrease and continue the power consumption that heating brings and damage
Lose, realize the purpose of the 3rd step energy-conservation；Guide duct (2), box main body (6) heat-insulation layer (7) outward is dried
Stop the radiation loss of high-temperature part, realize the purpose of the 4th step energy-conservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321407.3A CN106403516A (en) | 2016-05-16 | 2016-05-16 | Energy-saving uniform-temperature-heating plastic drier and energy saving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321407.3A CN106403516A (en) | 2016-05-16 | 2016-05-16 | Energy-saving uniform-temperature-heating plastic drier and energy saving method |
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| Publication Number | Publication Date |
|---|---|
| CN106403516A true CN106403516A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610321407.3A Pending CN106403516A (en) | 2016-05-16 | 2016-05-16 | Energy-saving uniform-temperature-heating plastic drier and energy saving method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56133597A (en) * | 1980-03-25 | 1981-10-19 | Nippon Radiator Co Ltd | Heat transfer pipe |
| CN201941103U (en) * | 2010-12-18 | 2011-08-24 | 李瑞勇 | Energy-saving plastic dryer |
| CN202344707U (en) * | 2011-10-20 | 2012-07-25 | 东莞市凌宇环保科技有限公司 | Energy-saving heat drying device and injection molding machine using the same |
| CN204748998U (en) * | 2015-07-12 | 2015-11-11 | 柴俊沙 | High efficiency environmental protection type plastics desiccator |
| CN205097400U (en) * | 2015-11-18 | 2016-03-23 | 南通开普乐工程塑料有限公司 | New and effective plastic drying equipment based on mass production |
| CN105571295A (en) * | 2015-12-26 | 2016-05-11 | 东莞市和津塑料机械有限公司 | Plastic drying dehumidification system |
| CN205843225U (en) * | 2016-05-16 | 2016-12-28 | 戴章寅 | A kind of energy-saving samming heating of plastic drying machine |
-
2016
- 2016-05-16 CN CN201610321407.3A patent/CN106403516A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56133597A (en) * | 1980-03-25 | 1981-10-19 | Nippon Radiator Co Ltd | Heat transfer pipe |
| CN201941103U (en) * | 2010-12-18 | 2011-08-24 | 李瑞勇 | Energy-saving plastic dryer |
| CN202344707U (en) * | 2011-10-20 | 2012-07-25 | 东莞市凌宇环保科技有限公司 | Energy-saving heat drying device and injection molding machine using the same |
| CN204748998U (en) * | 2015-07-12 | 2015-11-11 | 柴俊沙 | High efficiency environmental protection type plastics desiccator |
| CN205097400U (en) * | 2015-11-18 | 2016-03-23 | 南通开普乐工程塑料有限公司 | New and effective plastic drying equipment based on mass production |
| CN105571295A (en) * | 2015-12-26 | 2016-05-11 | 东莞市和津塑料机械有限公司 | Plastic drying dehumidification system |
| CN205843225U (en) * | 2016-05-16 | 2016-12-28 | 戴章寅 | A kind of energy-saving samming heating of plastic drying machine |
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Application publication date: 20170215 |
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