CN107044773A - High efficiency drying oven power-saving technology - Google Patents
High efficiency drying oven power-saving technology Download PDFInfo
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- CN107044773A CN107044773A CN201610999236.XA CN201610999236A CN107044773A CN 107044773 A CN107044773 A CN 107044773A CN 201610999236 A CN201610999236 A CN 201610999236A CN 107044773 A CN107044773 A CN 107044773A
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- 238000001035 drying Methods 0.000 title claims abstract description 39
- 238000005516 engineering process Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000007774 longterm Effects 0.000 claims abstract description 6
- 238000002474 experimental method Methods 0.000 claims abstract description 3
- 239000003570 air Substances 0.000 claims description 48
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000002918 waste heat Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000000505 pernicious effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 claims description 3
- 239000012080 ambient air Substances 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000008358 core component Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000003345 natural gas Substances 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 description 19
- 238000003745 diagnosis Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Drying Of Solid Materials (AREA)
Abstract
Ke Benhagen technical staff, with being referred to based on Carnot cycle method, a set of efficient dry drying plant high efficiency baking oven has finally been researched and developed successfully by the long-term experiments that constantly explores based on the first law of thermodynamics, and its thermal efficiency is up to 70% 90%.The first law of thermodynamics, i.e. law of conservation of energy：Energy is measuring for the motion of matter, and when the energy of any form is transferred or is converted into another form of energy, the constant quality of quantity changes.It mainly estimates energy-saving potential with the height of the thermal efficiency with thermal efficiency baking oven, and the thermal efficiency is higher, and explanation energy-saving potential is bigger.The thermal efficiency of the drying box used now in society only has between 20% 40%.The high efficiency drying oven thermal efficiency 70% 90% that we innovate, can save energy expenditure 50% 70%.Existing special application national patent is to technical protection.
Description
First, technical field：
The field that drying oven is related to is extremely wide, in chemical industry, medicine, food, papermaking, timber, grain and agricultural byproducts
The fields such as processing, glass fibre bio-pharmaceuticals building materials, drying process usually turns into the main power consumption link of its production process.According to
Foreign statistic, the total energy consumption in agricultural product and food processing process is about 286 × 109MJ/, wherein drying nest be 35 ×
109MJ/, accounts for the 12% of its total energy consumption；Drying of wood total energy consumption is 4 × 109MJ/, accounts for the 21% of timber processing total energy consumption；
Energy consumption for drying in paper-making process is 137 × 109MJ/, accounts for the 33% of its processing total energy consumption；Energy consumption for drying in Chemical Engineering
For 23 × 109MJ/, the 5% of total energy consumption is accounted for.External every profession and trade energy consumption for drying summation constitutes about whole industrial system total energy consumption
8%.Because the energy consumption per unit of output value of China's dry products than advanced international standard has larger gap, the energy consumption for drying of China accounts for whole
The ratio of individual industrial energy consumption almost half higher than Britain, reaches 12%.And in wood working industry, energy consumption for drying accounts for whole processing
The ratio of energy consumption is even as high as 40~60%.Therefore, the energy-conservation for drying link has a significant impact for reducing whole industrial energy consumption.
2nd, background technology：
Chengdu government in 2015 carries out to carrying out diagnosis of energy saving with energy rich and influential family, and Chengdu has planned 168 with energy rich and influential family,
In by the end of October, 2015 diagnosis of energy saving finish, diagnosis of energy saving scheme passes through experts' evaluation, and diagnosis of energy saving scheme experts' evaluation is qualified
Only 68, my company's diagnosis of energy saving scheme evaluating is qualified 20.Wherein megalith group is the enterprise for producing glass fiber, power consumption
Quite big, several ten million yuan of the electricity charge in 1 year are measured, 22 table glass silk baking oven one day 24 hours must not rest for 365 days 1 year.Megalith group
It is required that we carry out reducing energy consumption to baking oven.Reducing energy consumption scheme waste heat recovery, Guangzhou a company waste heat recovering energy conserving technology
Field test, reducing energy consumption effect is very undesirable, and thus my company just innovates drying oven energy saving retrofit technology.
3rd, the content of the invention：
Ke Benhagen technical staff based on the first law of thermodynamics with being referred to based on Carnot cycle method, by long-term
Constantly explore experiments and finally researched and developed successfully a set of efficient dry drying plant-high efficiency baking oven, its thermal efficiency can
Up to 70%-90%.The first law of thermodynamics, i.e. law of conservation of energy：Energy is measuring for the motion of matter, when any form
Energy when being transferred or being converted into another form of energy, the constant quality of quantity changes.It is main for thermal efficiency baking oven
It is that energy-saving potential is estimated with the height of the thermal efficiency, the thermal efficiency is higher, and explanation energy-saving potential is bigger.What is used now in society is dry
The thermal efficiency of dry case only has between 20%-40%.The high efficiency drying oven that we innovate can save energy expenditure 50%-
70%.Existing special application national patent is to technical protection.
4th, illustrate：
This technology structural principle, directly can directly lift utilization by 20 degree of air themperature.By Carnot cycle principle
More than 15 degree of air is exchanged by heat absorption pressurization in high-pressure side formation high temperature by heat exchanger or directly utilized.The machine is changed
Hot device belongs to comprehensive heat exchanger comprising liquid qi leel from pernicious gas, water, separating treatment can not being polluted into sky with centrifugation
Gas.
This technology mainly uses the energy in air, can reclaim waste heat to greatest extent as waste heat recovery, waste heat temperature
Degree is more high more saves.
The machine technology is all higher than common compressor using its capacity of high temperature compressor and heatproof.It is simultaneously straight using heat pipe
The heat that the electromechanical machine of Commutative Contraction is produced is connect, machine heat is switched directly into air inlet improves intake air temperature, due to the high property of heat pipe
Motor long-term work can be made to protect motor to serve energy-conserving action again in relatively low temperature environment.
The upgrading energy-saving effect that this technology can be used for old equipment is more preferable.
Technical principle block diagram is as follows：
Fig. 1 is high efficiency drying oven structural representation
Structure nine is most of
Part I centralized control cabinet：
The major function of centralized control cabinet is to provide the main power supply of each several part device, and single-chip microcomputer gathers the sensing telecommunications of each several part
Number intelligent control is realized to work package, providing variable signal to frequency converter makes compressor always work in optimum state.Reach section
Can purpose.
Part II frequency converter：
The effect of frequency converter is the working frequency for controlling high temperature compressor, its power output is coordinated with system and reaches
Accurate modulation, and protect high temperature compressor system to be worked in the range of parameter restriction.Not only save but also extend making for compressor
Use the life-span.Part III fresh air comprehensive treatment device：
Fresh air comprehensive treatment device is designed for most of drying oven, and the requirement of some drying ovens has fresh air entrance,
In order to reach the purpose of energy-conservation, Fresh air handing device air intake is filtered the dust in air by air filtering core, enters back into heat
Exchanger makes new air temperature improve 80-100 degree, enters back into drying oven.
Part IV heat pipe：
The main function of heat pipe is that two ends are connected respectively to compressor electric motor and air-inlet cavity, by produced by compressor electric motor
Heat quickly exchanges to air-inlet cavity and brought into by fresh air in drying box, and the heat conduction amount of heat pipe exchanger is the 1000 of metal heat-conducting amount
Times.Because the high-performance heat conduction of heat pipe is reduction motor temperature raising electric efficiency and protects motor while make use of motor
Distribute heat.
Part V high temperature compressor：
High temperature compressor belongs to the core component of the machine, feature be 100 degrees Celsius of common general heatproofs of high temperature resistant with
Under, the machine can for a long time work in 200 degrees Celsius of environment.The machine coordinates specialty thermal conducting agent cop up to 12.Common 2.5-
6 or so.
Part VI casing：
The effect of drying box is exactly a space of dry matter needed for storage, and space size as needed is designed.
Meet professional standard, heat-proof quality requirement is good.
Part VII is vented comprehensive treatment device：
Being vented the principle of comprehensive treatment device is：Due to the difference of material in drying box, contained volatilizable steam phase not to the utmost
Together, what is had also carries out heat exchange recycling while will be useless containing pernicious gas this comprehensive treatment device of by the waste heat waste gas of discharge
Steam condensation in gas forms liquid qi leel from water can be passed through absorption resolution process using pernicious gas and reach section into 20 degree of water
Can environmental-protection function.Part VIII firing equipment：
Any drying box is required for thermal source, the heating of electrical heating heated by natural gas coals.This heating can be heated using air.With
Any one heating above is used as auxiliary heating, (the low cop of heat content when ambient air temperature is less than 15 degree in air
Decline) normal working temperature that ancillary heating equipment ensures drying box is opened this moment.
Part IX air evaporator：
Air evaporator is also the critical piece of the machine, and thermal conducting agent evaporates the heat energy in absorption air in air evaporator
Compress to form Carnot cycle heating air inlet or be directly entered drying box by high temperature compressor and utilize.
5th, embodiment：
20 degree of air themperature directly can directly be lifted utilization by this technology.By Carnot cycle principle by more than 15 degree
Air by heat absorption pressurization high-pressure side formation high temperature by heat exchanger exchange or directly utilization.
This technology is all higher than common compressor using its capacity of high temperature compressor and heatproof.It is simultaneously direct using heat pipe
The heat that Commutative Contraction electromechanics machine is produced, is switched directly to air inlet by machine heat and improves intake air temperature, due to the high-performance of heat pipe
Motor long-term work can be made to protect motor to serve energy-conserving action again in relatively low temperature environment.
This technology mainly uses the energy in air, can reclaim waste heat to greatest extent as waste heat recovery, waste heat temperature
Degree is more high more saves.
This technology waste heat recovery, delivery temperature is taken as 95 degree, 20 degree of fresh air EAT spring and autumn, 35 degree of summer, exhaust
11500 cubes of meters per hours are measured, fresh air is heated to 80 degree of -90 degree.
Claims (11)
1. Ke Benhagen technical staff is based on the first law of thermodynamics, with being referred to based on Carnot cycle method, by long-term
Experiment are constantly explored, finally a set of efficient dry drying plant-high efficiency baking oven have been researched and developed successfully, its thermal efficiency can
Up to 70%-90%.
2. the first law of thermodynamics, i.e. law of conservation of energy：Energy is measuring for the motion of matter, when the energy of any form
When being transferred or being converted into another form of energy, the constant quality of quantity changes, and its mainly use of thermal efficiency baking oven is hot
The height of efficiency estimates energy-saving potential, and the thermal efficiency is higher, and explanation energy-saving potential is bigger, the drying box used now in society
The thermal efficiency only has between 20%-40%, and the high efficiency drying oven that we innovate can save energy expenditure 50%-70%, existing
Spy's application national patent is to technical protection.
3. 20 degree of air themperature can directly be lifted utilization by this technology, by Carnot cycle principle by more than 15 degree of air
Exchange or directly utilize by heat exchanger in high-pressure side formation high temperature by heat absorption pressurization.
4. this technology heat exchanger belong to comprehensive heat exchanger comprising liquid qi leel from, can be by pernicious gas with centrifugation, water, separation
Air is not polluted in processing, and this technology mainly uses the energy in air, can reclaim waste heat to greatest extent as waste heat recovery,
Waste heat supply temperature is more high more saves.
5. this technology is all higher than common compressor using its capacity of high temperature compressor and heatproof, while directly being handed over using heat pipe
The heat of compressor electric motor generation is changed, machine heat is switched directly into air inlet improves intake air temperature, because the high-performance of heat pipe can
So that motor long-term work is that protection motor serves energy-conserving action in relatively low temperature environment again.
6. this technology fresh air comprehensive treatment device, is that, for most of drying oven design, the requirement of some drying ovens has fresh air
Into in order to reach the purpose of energy-conservation, Fresh air handing device air intake is filtered the dust in air by air filtering core, then is entered
Entering heat exchanger makes new air temperature improve 80-100 degree, enters back into drying oven.
7. the main function of this technology heat pipe, is that two ends are connected respectively to compressor electric motor and air-inlet cavity, by compressor electric motor institute
The heat of generation quickly exchanges to air-inlet cavity and brought into by fresh air in drying box, and the heat conduction amount of heat pipe exchanger is metal heat-conducting amount
1000 times, because the high-performance heat conduction of heat pipe is reduction motor temperature raising electric efficiency and protects motor while make use of
Motor distributes heat.
8. this technology high temperature compressor belongs to the core component of the machine, feature is high temperature resistant, and general heatproof 100 common is Celsius
Below degree, the machine can for a long time work in 200 degrees Celsius of environment, and this technology coordinates specialty thermal conducting agent cop up to 12., it is general
Logical 2.5-6 or so.
9. the principle of this technology exhaust comprehensive treatment device is：Due to the difference of material in drying box, contained volatilizable steam is not
Identical to the greatest extent, what is had also contains pernicious gas, and the waste heat waste gas of discharge is carried out heat exchange recycling by this comprehensive treatment device, together
When can be using pernicious gas by absorbing resolution process from, water into 20 degree of water formation liquid qi leel by the steam condensation in waste gas
Reach that energy-conserving and environment-protective are acted on.
10. any drying box is required for thermal source, electrical heating, heated by natural gas, coal heating, the machine heating can be added using air
Heat, any one heating more than is used as auxiliary heating, (heat content when ambient air temperature is less than 15 degree in air
Low cop declines) ancillary heating equipment is opened this moment, ensure the normal working temperature of drying box.
11. this technology air evaporator is also the critical piece of the machine, thermal conducting agent is evaporated in absorption air in air evaporator
Heat energy compressed by high temperature compressor to be formed Carnot cycle heating air inlet or be directly entered drying box utilization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999236.XA CN107044773A (en) | 2016-11-14 | 2016-11-14 | High efficiency drying oven power-saving technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610999236.XA CN107044773A (en) | 2016-11-14 | 2016-11-14 | High efficiency drying oven power-saving technology |
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| Publication Number | Publication Date |
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| CN107044773A true CN107044773A (en) | 2017-08-15 |
Family
ID=59543735
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|---|---|---|---|
| CN201610999236.XA Pending CN107044773A (en) | 2016-11-14 | 2016-11-14 | High efficiency drying oven power-saving technology |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2023167A1 (en) * | 1969-05-12 | 1970-11-19 | Termoelectronica Genia | Drying method for food |
| CN103256666A (en) * | 2013-05-15 | 2013-08-21 | 天津中德职业技术学院 | Independent primary air system provided with heat pipe exchanger and working method thereof |
| KR20130097402A (en) * | 2012-02-24 | 2013-09-03 | 엄태경 | Dryer of wet substance |
| CN103994638A (en) * | 2014-06-06 | 2014-08-20 | 江苏洽爱纳机械有限公司 | Alternating type heat pump vacuum drying device |
| CN105605910A (en) * | 2016-02-18 | 2016-05-25 | 郏松筠 | Operation modes and structure of heat-circulation heat pump drying unit |
| CN205425752U (en) * | 2015-12-24 | 2016-08-03 | 上海岱鼎工业设备有限公司 | Heat pump dryer |
| CN105835525A (en) * | 2016-05-25 | 2016-08-10 | 大连奥特马工业有限公司 | Waste heat recovery and hot air type energy-saving drying control system |
-
2016
- 2016-11-14 CN CN201610999236.XA patent/CN107044773A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2023167A1 (en) * | 1969-05-12 | 1970-11-19 | Termoelectronica Genia | Drying method for food |
| KR20130097402A (en) * | 2012-02-24 | 2013-09-03 | 엄태경 | Dryer of wet substance |
| CN103256666A (en) * | 2013-05-15 | 2013-08-21 | 天津中德职业技术学院 | Independent primary air system provided with heat pipe exchanger and working method thereof |
| CN103994638A (en) * | 2014-06-06 | 2014-08-20 | 江苏洽爱纳机械有限公司 | Alternating type heat pump vacuum drying device |
| CN205425752U (en) * | 2015-12-24 | 2016-08-03 | 上海岱鼎工业设备有限公司 | Heat pump dryer |
| CN105605910A (en) * | 2016-02-18 | 2016-05-25 | 郏松筠 | Operation modes and structure of heat-circulation heat pump drying unit |
| CN105835525A (en) * | 2016-05-25 | 2016-08-10 | 大连奥特马工业有限公司 | Waste heat recovery and hot air type energy-saving drying control system |
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Application publication date: 20170815 |
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