CN102658891A - Methane heating method for plastic heat shrinkable film packaging machine - Google Patents
Methane heating method for plastic heat shrinkable film packaging machine Download PDFInfo
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- CN102658891A CN102658891A CN2012101438688A CN201210143868A CN102658891A CN 102658891 A CN102658891 A CN 102658891A CN 2012101438688 A CN2012101438688 A CN 2012101438688A CN 201210143868 A CN201210143868 A CN 201210143868A CN 102658891 A CN102658891 A CN 102658891A
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Abstract
The invention discloses a methane heating method for a plastic heat shrinkable film packaging machine. The method comprises the following steps of: adding a methane hot-blast stove to the plastic heat shrinkable film packaging machine which is purely electrically heated, performing mixed combustion of excessive air with an air coefficient of 1.1 to 1.3 and the methane to form flue gas at specified temperature, and circularly heating the flue gas inside the plastic heat shrinkable film packaging machine through a hot air pipeline; arranging an automatic temperature control device to extract a circulating hot-air temperature signal from the plastic heat shrinkable film packaging machine so as to regulate an automatic regulating valve on a methane conveying pipeline, so that the methane flow is controlled; and setting the circulating hot-air temperature of the plastic heat shrinkable film packaging machine heated by the methane to be 10 to 20 DEG C lower than the specified temperature, wherein the temperature difference is supplemented by electrical heating. The methane produced by sewage treatment facilities of beer production enterprises serves as a main heat source of the plastic heat shrinkable film packaging machine for heating, and the problems of extremely high power consumption and extremely high electricity cost in the process of producing plastic heat shrinkable film packaging products are solved.
Description
(1) technical field:
The present invention relates to the plastic hot shrink packaging machine, be specially a kind of plastic hot shrink packaging machine and use the biogas method of heating.
(2) background technology:
Continuous adjustment along with domestic beer, beverage industry product structure; The beer and the beverage output of plastic hot shrink film packing are more and more; This structural adjustment has reduced the Packing Fee of traditional beer and beverage plastic box and carton, has great meaning to reducing the production and consumption cost.
The beer packed hotting mask machine with beverage of plastic hot shrink film reaches as thermal source heating hot blast with electric energy and keeps set point of temperature that film is shunk.Compare with the traditional beer packing; The aspect of its blemish in an otherwise perfect thing is to consume a large amount of electric energy (beer of the bottled or canned heat shrink film of every production 1KL packing need consume 4KWH～6KWH electric energy at the heat shrink films packaging process) more, and in China of power tense, energy-saving and emission-reduction are novel economizer development models that country advocates; Therefore be necessary to seek other thermal source of hotting mask machine; Reduce and use electric energy, reduce production costs, pollute thereby reduce indirectly.
(3) summary of the invention:
To the weak point of plastic hot shrink packaging machine with electrical heating method; The present invention proposes a kind of plastic hot shrink packaging machine and use the biogas method of heating, its objective is the problem that power consumption is too big in the production process that solves plastic hot shrink-film package product, electric cost is too high.
The plastic hot shrink packaging machine that can realize above-mentioned purpose uses the biogas method of heating; Institute's difference is to disposing the biogas hot-air stove with electrically heated plastic hot shrink packaging machine merely; The mixture gas of air and biogas is imported the biogas combustion engine internal combustion of said biogas hot-air stove fire door through the biogas transfer line; Said air is sucked by the control of biogas combustion engine; Burning back forms set point of temperature in the biogas hot-air stove flue gas is delivered to the circulating fan inlet scoop of plastic hot shrink packaging machine through hot-blast pipe line, and the flue gas that gets into from the circulating fan inlet scoop is to the heating that circulates of plastic hot shrink packaging machine inside.
Automatic temperature control is set guarantees that the change of plastic hot shrink packaging machine inner loop hot blast temperature is in allowed band, to adapt to the change of plastic hot shrink packaging machine operating load; This automatic temperature control is regulated the automatic regulating valve on the biogas transfer line from plastic hot shrink packaging machine internal extraction circulating air temperature signal, thereby control biogas flow comes the temperature of Control Circulation hot blast with this.
For guaranteeing plastic hot shrink packaging machine inner loop hot blast temperature do not exceed standard (the high-temperature flue gas thermal inertia of biogas hot-air stove is very big); Need circulating air temperature with the plastic hot shrink packaging machine be set at and be lower than with 10 ℃～20 ℃ of electrically heated set points of temperature, this part low temperature is additional by electro heat.
For reaching best burning usefulness, said excess air factor is 1.1～1.3.
For guaranteeing air and biogas mixture gas normal combustion in the biogas combustion engine, on the said biogas transfer line biogas booster fan is set.
For guaranteeing safe in operation, said biogas combustion engine configuration flame-out protection device, said biogas booster fan configuration overpressure protection apparatus.
Inner for making fume control also send to the plastic hot shrink packaging machine smoothly in the set point of temperature scope, need on the biogas hot-air stove, overfire air fan is set.
Advantage of the present invention:
After plastic hot shrink packaging machine of the present invention used the biogas method of heating to implement, plastic hot shrink packaging machine unit product power consumption can descend 70%～80%, and the inventive method is more suitable for that the beer of self-produced biogas, beverage production enterprise and other enterprise application are being arranged.
(4) description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Figure number sign: 1, plastic hot shrink packaging machine; 2, biogas hot-air stove; 3, hot-blast pipe line; 4, biogas combustion engine; 5, biogas booster fan; 6, overfire air fan; 7, circulating fan; 8, biogas transfer line; 9, automatic regulating valve; 10, manually actuated control valve; 11, temperature measuring mechanism.
(5) specific embodiment:
Below in conjunction with accompanying drawing technical scheme of the present invention is described further:
As shown in Figure 1; It is on the electrically heated plastic hot shrink packaging machine 1 of former simple usefulness, to transform that plastic hot shrink packaging machine of the present invention uses the biogas method of heating; The method of transforming is to set up a biogas hot-air stove 2; Biogas is imported biogas the combustion engine 4 interior and air-blending burnings of said biogas hot-air stove 2 fire doors through biogas transfer line 8; Excess air factor is that 1.1～1.3 air is sucked by biogas combustion engine 4 (configuration flame-out protection device) control; The flue gas that burning back forms set point of temperature exports circulating fan 7 inlet scoops of plastic hot shrink packaging machine 1 from biogas hot-air stove 2 to through hot-blast pipe line 3, is recycled the flue gas that blower fan 7 inlet scoops suck and gets into plastic hot shrink packaging machine 1 inside, to the goods heating that circulates.
Along throughput direction; Set gradually manually actuated control valve 10, biogas booster fan 5 (configuration overpressure protection apparatus) and automatic regulating valve 9 on the said biogas transfer line 8; Be provided with temperature measuring mechanism 11 in the said plastic hot shrink packaging machine 1; Said automatic regulating valve 9 and thermometric degree mechanism 11 connect and compose automatic temperature control through line related; Guarantee that the change of plastic hot shrink packaging machine 1 inner loop hot blast temperature is in allowed band, to adapt to the change of plastic hot shrink packaging machine 1 operating load; Said temperature measuring mechanism 11 is regulated the open amount of automatic regulating valve 9 from plastic hot shrink packaging machine 1 internal extraction circulating air temperature signal, cooperates jointly with manually actuated control valve 10 and controls the biogas flows, and is as shown in Figure 1.
Because the high-temperature flue gas thermal inertia of biogas hot-air stove 2 is very big; For guaranteeing not overtemperature of plastic hot shrink packaging machine 1 inner loop hot blast; Need the plastic hot shrink packaging machine 1 circulating air temperature of biogas heating be set than low 10 ℃～20 ℃ of set point of temperature, this part low temperature is replenished by electro heat.
For making gas fume after burning be controlled at set point of temperature and smooth delivery of power circulating fan 7 inlet scoops to plastic hot shrink packaging machine 1, need overfire air fan 6 is set on biogas hot-air stove 2, as shown in Figure 1.
For satisfying the requirement of environmental protection to sewage disposal; The all supporting sewage treatment facility that is provided with " anaerobism "+" aerobic " of (more than 100,000 KL/) beer producers of one-tenth scale; Can produce biogas (a kind of good recyclable fuel at anaerobic stages; Be that cost is minimum in the combustion gas such as natural fuels, coal gas), so the inventive method is adapted at brewery's use most
In Yanjing Beer (Guilin Liquan) Co., Ltd. of applying unit of the present invention the 6th beer packing line Success in Experiment, the practical implementation situation is following for the inventive method:
1, self-produced biogas parameter:
Biogas calorific value H
1=6000kcal/m
3, design value: 5500kcal/m
3
Density: ρ=0.77kg/m
3
The biogas temperature is normal temperature: t=20 ℃
Supply gas pressure: P=1000Pa～1500Pa
2, plastic hot shrink packaging machine 1 parameter:
Unit thermal load: Q=75680KJ/h=21KW
The specified biogas flow of unit: Q=3.3m
3/ h
Circulating air temperature: 200 ℃+-10 ℃
Platform number: 2
3, experimental program: a biogas hot-air stove 2 is set supplies two plastic hot shrink packaging machine 1 hot blasts, 500 ℃+-50 ℃ of biogas hot-air stove 2 exit gas temperatures
4, experimental result: every KL beer reduces electricity consumption 3KWH.
Claims (7)
1. the plastic hot shrink packaging machine uses the biogas method of heating; It is characterized in that: for disposing biogas hot-air stove (2) with electrically heated plastic hot shrink packaging machine (1) merely; Biogas is imported the interior and air-blending burning of biogas combustion engine (4) of said biogas hot-air stove (2) fire door through biogas transfer line (8); Said air is sucked by biogas combustion engine (4) control; Burning back forms set point of temperature biogas hot-air stove (2) in flue gas is delivered to circulating fan (7) inlet scoop of plastic hot shrink packaging machine (1) through hot-blast pipe line (3), and the flue gas of entering is to the heating that circulates of plastic hot shrink packaging machine (1) inside from circulating fan (7) inlet scoop.
2. plastic hot shrink packaging machine according to claim 1 uses the biogas method of heating; It is characterized in that: automatic temperature control is set guarantees that the change of plastic hot shrink packaging machine (1) inner loop hot blast temperature is in allowed band, to adapt to the change of plastic hot shrink packaging machine (1) operating load; Said temperature control apparatus is regulated the automatic regulating valve (9) on the biogas transfer line (8) from plastic hot shrink packaging machine (1) internal extraction circulating air temperature signal, thus control biogas flow.
3. plastic hot shrink packaging machine according to claim 2 uses the biogas method of heating; It is characterized in that: do not exceed standard for guaranteeing plastic hot shrink packaging machine (1) inner loop hot blast temperature; Need circulating air temperature with plastic hot shrink packaging machine (1) be set at and be lower than with 10 ℃～20 ℃ of electrically heated set points of temperature, this part low temperature is additional by electro heat.
4. use the biogas method of heating according to any described plastic hot shrink packaging machine in the claim 1～3, it is characterized in that: said excess air factor is 1.1～1.3.
5. use the biogas method of heating according to any described plastic hot shrink packaging machine in the claim 1～3; It is characterized in that:, biogas booster fan (5) is set on the said biogas transfer line (8) for guaranteeing air and biogas mixture gas normal combustion in biogas combustion engine (4).
6. plastic hot shrink packaging machine according to claim 5 uses the biogas method of heating, it is characterized in that: said biogas combustion engine (4) configuration flame-out protection device, said biogas booster fan (5) configuration overpressure protection apparatus.
7. use the biogas method of heating according to any described plastic hot shrink packaging machine in the claim 1～3; It is characterized in that: also send to plastic hot shrink packaging machine (1) inside smoothly for making fume control in the set point of temperature scope, overfire air fan (6) need be set on biogas hot-air stove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101438688A CN102658891A (en) | 2012-05-10 | 2012-05-10 | Methane heating method for plastic heat shrinkable film packaging machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101438688A CN102658891A (en) | 2012-05-10 | 2012-05-10 | Methane heating method for plastic heat shrinkable film packaging machine |
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| CN102658891A true CN102658891A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101438688A Pending CN102658891A (en) | 2012-05-10 | 2012-05-10 | Methane heating method for plastic heat shrinkable film packaging machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199942Y (en) * | 1994-05-26 | 1995-06-07 | 孙奎连 | Hot air shrinking bead covering machine |
| EP1247745A1 (en) * | 2001-04-03 | 2002-10-09 | Effe 3 Tl Srl | An oven for shrinking heat-shrinkable film packaging |
| CN2868857Y (en) * | 2005-05-18 | 2007-02-14 | 陈剑清 | Concentrated reat-supplying hot-air circulation structure of novel thermo-contraction packing machine |
| CN102009755A (en) * | 2010-09-17 | 2011-04-13 | 燕京啤酒(桂林漓泉)股份有限公司 | Gas heat film machine |
| CN102295085A (en) * | 2011-05-25 | 2011-12-28 | 燕京啤酒(桂林漓泉)股份有限公司 | Hot film methane hot wind utilization control system and operation control method thereof |
-
2012
- 2012-05-10 CN CN2012101438688A patent/CN102658891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2199942Y (en) * | 1994-05-26 | 1995-06-07 | 孙奎连 | Hot air shrinking bead covering machine |
| EP1247745A1 (en) * | 2001-04-03 | 2002-10-09 | Effe 3 Tl Srl | An oven for shrinking heat-shrinkable film packaging |
| CN2868857Y (en) * | 2005-05-18 | 2007-02-14 | 陈剑清 | Concentrated reat-supplying hot-air circulation structure of novel thermo-contraction packing machine |
| CN102009755A (en) * | 2010-09-17 | 2011-04-13 | 燕京啤酒(桂林漓泉)股份有限公司 | Gas heat film machine |
| CN102295085A (en) * | 2011-05-25 | 2011-12-28 | 燕京啤酒(桂林漓泉)股份有限公司 | Hot film methane hot wind utilization control system and operation control method thereof |
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Application publication date: 20120912 |