CN203683993U - Ordinary-pressure superheated steam molded pulp drier - Google Patents
Ordinary-pressure superheated steam molded pulp drier Download PDFInfo
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- CN203683993U CN203683993U CN201420014859.3U CN201420014859U CN203683993U CN 203683993 U CN203683993 U CN 203683993U CN 201420014859 U CN201420014859 U CN 201420014859U CN 203683993 U CN203683993 U CN 203683993U
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- baking oven
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- 239000011105 molded pulp Substances 0.000 title abstract 2
- 238000001035 drying Methods 0.000 claims abstract description 46
- 229920001131 Pulp (paper) Polymers 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 20
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000004087 circulation Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 238000012546 transfer Methods 0.000 description 7
- 238000007605 air drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to an ordinary-pressure superheated steam molded pulp drier which comprises a closed machine shell, an airflow circulating device, a drying chamber device and an exhaust device, wherein the exhaust device comprises a waste heat utilizing pipe and a waste heat utilization automatic valve, the airflow circulating device comprises a lower air channel, an induced pipe, a circulating fan, an air inlet pipe and an upper air channel which are connected in sequence in the airflow circulating direction from bottom to top, the tail end of the lower air channel is closed, the tail end of the upper air channel is connected with the waste heat utilizing pipe, the drying chamber device comprises an oven, a heat exchanger and a conveying chain, the upper air channel and the lower air channel are arranged on the top of the oven and on the bottom of the oven respectively and are both communicated with air inside the oven, the upper air channel, the lower air channel and the oven are all arranged inside the machine shell, the heat exchanger is as wide as the upper air channel, the windward side of the heat exchanger faces upwards, an air outlet of the heat exchanger faces downwards, the heat exchanger serves as the bottom of the upper air channel and the top of the oven and is connected with a heat exchanger heat source, and the conveying chain is arranged in the oven and is distributed in a stacking and encircling mode from top to bottom. The drier is high in efficiency and environmentally friendly.
Description
Technical field
The utility model belongs to paper pulp model equipment field, relates to a kind of paper pulp moulding drying machine, relates in particular to a kind of normal pressure overheat steam paper pulp moulding drying machine.
Background technology
At present, existing paper pulp moulding drying machine has two large classes: a class is individual layer drying machine; Another kind of is multi-level dryer.Individual layer drying machine is quite backward, is substantially eliminated.Multi-level dryer is sent into burner hearth by the waste gas after dry products by circulating fan, and the burnt gas that produces and transport with combustor mixes, and sends into hothouse, in order to dry products after intensification again; Although the efficiency of this drying mode is higher, but still be a kind of air drying mode, the thermal efficiency can also further improve; And under this drying mode, the waste gas after burning directly contacts with layered product, affects the quality of product; Moreover, when the interior excess Temperature of hothouse, easily initiation fire; And what when dry products, consume is the energy of high-quality.In addition, existing drying machine, aspect control, generally adopt manual adjustments control temperature, and humidity is not controlled, thereby the water capacity of product can not guarantee.
For this reason, need to provide a kind of improved drying machine.
Utility model content
The purpose of this utility model is to provide a kind of normal pressure overheat steam paper pulp moulding drying machine, and it is energy-efficient, and manufacturing cost is cheaper, and dry product quality is better.
For achieving the above object, the utility model adopts following technical scheme:
Normal pressure overheat steam paper pulp moulding drying machine, comprises and the casing of sealing also comprises air current circulation, hothouse device, exhaust apparatus;
Wherein, described exhaust apparatus comprises UTILIZATION OF VESIDUAL HEAT IN pipe and controls the UTILIZATION OF VESIDUAL HEAT IN automatic valve that described UTILIZATION OF VESIDUAL HEAT IN pipe opens and closes; Described UTILIZATION OF VESIDUAL HEAT IN automatic valve can be controlled and automatic shutter;
Wherein, described air current circulation comprises the lower air duct, induced duct, circulating fan, blast pipe, the upper air duct that connect successively according to airflow circulating direction from the bottom to top; The endcapped not being connected with described induced duct of described lower air duct, the end not being connected with described blast pipe of described upper air duct connects described UTILIZATION OF VESIDUAL HEAT IN pipe;
Wherein, described hothouse device comprises baking oven, heat exchanger, chain; Described upper air duct and described lower air duct are arranged at respectively top and the bottom of described baking oven, and respectively with described oven interior airflow connection; Described upper air duct, described lower air duct and described baking oven are all arranged on described casing inside; Described heat exchanger and described upper air duct be with wide, the windward side of described heat exchanger upward, air outlet down, form the bottom surface of described upper air duct and the end face of described baking oven, thereby described upper air duct be communicated with described oven interior by described heat exchanger; Described chain is arranged in described baking oven and is layered laminate from top to bottom and detours.
Preferably, also comprise control set for adjusting; Described control set for adjusting calculates the air that should discharge, controls the switching of described UTILIZATION OF VESIDUAL HEAT IN automatic valve.
Preferably, in described oven interior and described upper air duct, described blast pipe, be provided with monitoring temperature point, described control set for adjusting, according to the temperature of the described monitoring temperature point recording, is controlled thermal source flow and the temperature of described heat exchanger.
Preferably, input and output material delivery port is arranged on described casing, the side-lower away from described circulating fan of described baking oven, and described input and output material delivery port is contour, concordant with described lower air duct.
Preferably, described oven interior is provided with the layering guide rail detouring for described chain, and a point aspect for described layering guide rail arranges dividing plate, thereby described baking oven is divided into multiple unit hothouse; Each described dividing plate is evenly laid some apertures, and air-flow is flowed by setting path.
Preferably, the bottom of the described unit hothouse of the bottom also separates with described dividing plate and described lower air duct, thereby described lower air duct is communicated with by described dividing plate with described oven interior.
Preferably, between described upper air duct and described heat exchanger, be provided with the dividing plate of the some apertures of even laying, make the air-flow of described upper air duct evenly enter described heat exchanger by described aperture.
Preferably, described upper air duct, described baking oven, described lower air duct are arranged in order formation rectangular structure from top to bottom, at the coated insulation material of outer surface of the described rectangular structure forming.
Preferably, on described chain, be provided with the automatic balance type pallet for placing article to be dried.
The beneficial effects of the utility model are: 1. the utility model normal pressure overheat steam paper pulp moulding drying machine adopts super-heated steam drying, drying medium is the steam that wet product self produces, superheated steam heat transfer coefficient is large, specific heat capacity is large, without heat transmission resistance, the thermal efficiency is high, and energy-saving effect significantly.Through many production line actual measurements, the thermal efficiency of this drying machine is up to 70-75%, and more current individual layer drying line improves nearly one times, improves 10-15% compared with fuel oil and combustion gas multi-level dryer.2. unnecessary steam can be recycled utilization, substantially accomplishes non-exhaust emission.3. the carbide producing without burning in baking oven, can also sterilize to product dry simultaneously, has realized low-carbon environment-friendly.4. filled up the blank in China's superheat steam drying field, made paper pulp moulding drying machine develop into possibility to efficient, upgrading transition of energy-saving and environmental protection direction.5. intelligentized control, allows operation become simpler, and management becomes lighter.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model normal pressure overheat steam paper pulp moulding drying machine.
The specific embodiment
Introduce in detail preferential embodiment of the present utility model below in conjunction with accompanying drawing.
The normal pressure overheat steam paper pulp moulding drying machine of the present embodiment, comprises and the casing 10 of sealing also comprises air current circulation 20, hothouse device 30, exhaust apparatus 40.
Exhaust apparatus 40 comprises UTILIZATION OF VESIDUAL HEAT IN pipe 41 and controls the UTILIZATION OF VESIDUAL HEAT IN automatic valve 42 that UTILIZATION OF VESIDUAL HEAT IN pipe 41 opens and closes; UTILIZATION OF VESIDUAL HEAT IN automatic valve 42 can be controlled and automatic shutter.
Air current circulation 20 comprises the lower air duct 21, induced duct 22, circulating fan 23, blast pipe 24, the upper air duct 25 that connect successively according to airflow circulating direction from the bottom to top; The end not being connected with induced duct 210 of lower air duct 21 seals, and 250 the end of not being connected with blast pipe of upper air duct 25 connects UTILIZATION OF VESIDUAL HEAT IN pipe 41.As an embodiment, wherein, lower air duct 21 is spliced for multistage rectangular tube; Induced duct 22 is old name for the Arabian countries in the Middle East's ground circle special pipe, and one end and the lower air duct 21 of side join, and one end and the circulating fan 23 of circle join; Upper air duct 25 is identical with the shape of lower air duct 21, and length and width are also identical.
Preferably, baking oven 31 inside are provided with the layering guide rail detouring for chain 33, and a point aspect for layering guide rail arranges dividing plate 311, thereby baking oven 31 is divided into multiple unit hothouse; Each dividing plate 311 is evenly laid some apertures, and air-flow is flowed by setting path.Every a layering guide rail, a dividing plate 311 is set in the present embodiment, certainly, also can looks the factor such as size of baking oven, each layering guide rail all arranges a dividing plate, or every two or several layering guide rails, a dividing plate is set.The effect of these dividing plates 311 is to organize vapor stream route motion in accordance with regulations, allows vapor stream flow through equably each product surface to be dried.
Preferably, the bottom of the unit hothouse of the bottom also separates with lower air duct 21 with dividing plate 312, on dividing plate 312, certainly also evenly lay some apertures, thereby lower air duct 21 is communicated with by dividing plate 312 with baking oven 31 inside, and the effect of dividing plate 312 is to make circulating fan 23 extract equably humid air along lower air duct 21 length directions.In addition, preferably, the top of baking oven 31, be in the wind 25 and heat exchanger 32 between be also provided with dividing plate 313, its effect is to make the air-flow of upper air duct 25 enter equably heat exchanger 32.
Preferably, upper air duct 25, baking oven 31, lower air duct 21 are arranged in order formation rectangular structure from top to bottom, at the coated insulation material of outer surface of the rectangular structure forming.
In this embodiment, input and output material delivery port 50 is arranged on casing 10, the side-lower away from circulating fan 23 of baking oven 31, and input and output material delivery port 50 is contour, concordant with lower air duct 21, in order to sealing by steam and the small difference in specific gravity of air.Input and output material delivery port 50 places are provided with feeding-discharging mechanism 51, send into the product that will wet, and dried blank is sent.
Preferably, the drying machine of the present embodiment also comprises control set for adjusting; Control set for adjusting can calculate the air that should discharge, controls the switching of UTILIZATION OF VESIDUAL HEAT IN automatic valve 42, thereby keeps suitable pressure in baking oven, also waste gas is discharged for reclaiming.
More preferably, be provided with monitoring temperature point 61,63 in oven interior, in upper air duct, be provided with monitoring temperature point 62, in air inlet duct, be provided with monitoring temperature point 64, control set for adjusting, according to the temperature of the monitoring temperature point recording, is controlled thermal source flow and the temperature of heat exchanger thermal source.Certainly, also can be in air current circulation other positions or other set temperature control points, position of baking oven.
Introduce this drying machine running flow process below.
This drying machine adopts the mode of continuous drying, as long as connect heat exchanger thermal source, starts circulating fan 23, just obtains the dry air that extreme temperatures, relative humidity are extremely low, drying capacity is extremely strong in baking oven 31.At this moment pay-off is by chain 33, pallet 331, and the product that will wet is continuously sent in baking oven 31, and in conveying, the wet product water capacity maximum of just having sent into, that temperature is minimum is near the outlet of heat exchanger 32; Along with the operation of chain 33, wet product detours in baking oven 31; To outlet, product is dried, and cutting agency is sent dried product continuously.
After having wet product to be dried, what circulating fan 23 extracted from lower air duct 21 is the humid air drying product, and these humid air are divided into two parts after being admitted to upper air duct 25: wherein most humid air, through heat exchanger 32 and dividing plate 311, enter baking oven 31; Another fraction goes out upper air duct 25 and enters air exhausting device 40.After blink, system enters steady running, and the dry air of baking oven 31 inside is substituted by water vapour completely; What now circulating fan 23 extracted from lower air duct 21 is no longer humid air, but the slightly low superheated steam of temperature; These superheated steams are admitted to after upper air duct 25, and the overwhelming majority enters baking oven 31 through becoming the higher superheated steam of temperature after heat exchanger 32, and this conversion is without any human intervention and manipulation; And another fraction enters air exhausting device 40, control and enter UTILIZATION OF VESIDUAL HEAT IN pipe 41 through UTILIZATION OF VESIDUAL HEAT IN automatic valve 42.Wet product is just dried in the hyperthermia and superheating steam in baking oven 31.
The capacity of above-mentioned exhaust apparatus 40 how much by intelligentized control set for adjusting according to the automatic calculative determination of baking oven internal pressure: the capacity of air exhausting device 40 equals the steam volume that wet product produces, and can accurately calculate steam volume according to output.According to calculating, in most of output situations, the capacity of exhaust apparatus 40 only can meet the needs of forming machine air bells cap, so the waste heat energy of this Vapojet dryer is all utilized.In addition, control set for adjusting can also regulate automatically according to the temperature in baking oven flow and the temperature of heat exchanger thermal source, thereby controls finished product moisture content and quality.Whole production process, without people's intervention, realizes full automation.
The tool intention part of this drying machine is that it is a kind of brand-new drying system of super-heated steam drying, is better than conventional air drying system.
From drying mechanism: air drying mode has one to conduct heat and mass transport process; That is: in hothouse, heat is passed to wet product by air, and after product is heated, water becomes steam and enters air, Air Flow and water vapour is taken away, and product is dried; But in dry run, product surface forms one deck steam blanket, in the time that heat is passed to product by air, must pass steam blanket, and steam enters into air event simultaneously, has mass-and heat-transfer resistance.Although and superheat steam drying also must arrive product surface by heat through steam blanket, because hothouse only has a kind of composition of water vapour, its heat transfer is the wet surperficial temperature difference of superheated steam and product; Mass transfer is the volume flow that vapor flow produces, and the resistance of heat transfer may diminish to ignores; Therefore heat transfer efficiency is high.
Drying mechanism also shows, air is dry is that air is taken away steam and self temperature reduces, and therefore needs ceaselessly to supplement fresh air and heats.And the superheated steam of drying machine of the present utility model is in the time taking away product water steam, although also can reduce temperature, also need to supplement:
1. water vapour is than air thermal capacitance large (steam 1.986KJ/Kg.K, air 1.006KJ/Kg.K), and the water vapour amount therefore needing is relatively less, and the contained moisture of wet product is just enough to supplement after evaporating;
2. the water vapour latent heat of vaporization large (water vapour 2200kJ/Kg, air is without becoming mutually 0), the latent heat of vaporization is used for heating products completely, and is used by systemic circulation, therefore needs supplementary little energy;
3. large (water vapour 200 ~ 500W/ the m of water vapour heat transfer coefficient
2k, air 20 ~ 50W/m
2k), the thermal efficiency that therefore conducts heat is high, obvious energy conservation.
More than analyze and shown that normal pressure overheat steam paper pulp moulding drying machine of the present utility model adopts each drier of air drying mode to have larger advantage, there is incomparable wide prospect.
Described above is only preferred embodiment of the present utility model, certainly can not limit protection domain of the present utility model with this.Any equivalents and replacement to technical solutions of the utility model, all in protection domain of the present utility model.
Claims (9)
1. normal pressure overheat steam paper pulp moulding drying machine, comprises and it is characterized in that the casing of sealing: also comprise air current circulation, hothouse device, exhaust apparatus;
Wherein, described exhaust apparatus comprises UTILIZATION OF VESIDUAL HEAT IN pipe and controls the UTILIZATION OF VESIDUAL HEAT IN automatic valve that described UTILIZATION OF VESIDUAL HEAT IN pipe opens and closes; Described UTILIZATION OF VESIDUAL HEAT IN automatic valve can be controlled and automatic shutter;
Wherein, described air current circulation comprises the lower air duct, induced duct, circulating fan, blast pipe, the upper air duct that connect successively according to airflow circulating direction from the bottom to top; The endcapped not being connected with described induced duct of described lower air duct, the end not being connected with described blast pipe of described upper air duct connects described UTILIZATION OF VESIDUAL HEAT IN pipe;
Wherein, described hothouse device comprises baking oven, heat exchanger, chain; Described upper air duct and described lower air duct are arranged at respectively top and the bottom of described baking oven, and respectively with described oven interior airflow connection; Described upper air duct, described lower air duct and described baking oven are all arranged on described casing inside; Described heat exchanger and described upper air duct be with wide, the windward side of described heat exchanger upward, air outlet down, form the bottom surface of described upper air duct and the end face of described baking oven, thereby described upper air duct be communicated with described oven interior by described heat exchanger; Described chain is arranged in described baking oven and is layered laminate from top to bottom and detours.
2. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 1, it is characterized in that: also comprise control set for adjusting; Described control set for adjusting calculates the air that should discharge, controls the switching of described UTILIZATION OF VESIDUAL HEAT IN automatic valve.
3. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 2, it is characterized in that:
In described oven interior and described upper air duct, described blast pipe, be provided with monitoring temperature point, described control set for adjusting, according to the temperature of the described monitoring temperature point recording, is controlled thermal source flow and the temperature of described heat exchanger.
4. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 1, it is characterized in that: input and output material delivery port is arranged on described casing, the side-lower away from described circulating fan of described baking oven, and described input and output material delivery port is contour, concordant with described lower air duct.
5. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 1, it is characterized in that: described oven interior is provided with the layering guide rail detouring for described chain, a point aspect for described layering guide rail arranges dividing plate, thereby described baking oven is divided into multiple unit hothouse; Each described dividing plate is evenly laid some apertures, and air-flow is flowed by setting path.
6. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 5, it is characterized in that: the bottom of the described unit hothouse of the bottom also separates with described dividing plate and described lower air duct, thereby described lower air duct is communicated with by described dividing plate with described oven interior.
7. according to the normal pressure overheat steam paper pulp moulding drying machine of any one in claim 1-6, it is characterized in that: between described upper air duct and described heat exchanger, be provided with the dividing plate of the some apertures of even laying, make the air-flow of described upper air duct evenly enter described heat exchanger by described aperture.
8. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 1, it is characterized in that: described upper air duct, described baking oven, described lower air duct are arranged in order formation rectangular structure from top to bottom, at the coated insulation material of outer surface of the described rectangular structure forming.
9. according to the normal pressure overheat steam paper pulp moulding drying machine of claim 1, it is characterized in that: on described chain, be provided with the automatic balance type pallet for placing article to be dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014859.3U CN203683993U (en) | 2014-01-10 | 2014-01-10 | Ordinary-pressure superheated steam molded pulp drier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014859.3U CN203683993U (en) | 2014-01-10 | 2014-01-10 | Ordinary-pressure superheated steam molded pulp drier |
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| CN203683993U true CN203683993U (en) | 2014-07-02 |
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| CN201420014859.3U Expired - Lifetime CN203683993U (en) | 2014-01-10 | 2014-01-10 | Ordinary-pressure superheated steam molded pulp drier |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774486A (en) * | 2014-01-10 | 2014-05-07 | 广州华工环源绿色包装技术有限公司 | Normal-pressure superheated steam pulp-molding drying machine |
| CN107815932A (en) * | 2017-05-19 | 2018-03-20 | 杭州百路纸品有限公司 | A kind of production method of paper products |
| CN107815931A (en) * | 2017-05-19 | 2018-03-20 | 杭州百路纸品有限公司 | Paper pulp model formation machine and drying all-in-one paper pulp molding forming device and method |
| CN110424121A (en) * | 2019-08-29 | 2019-11-08 | 浙江四通新材料科技股份有限公司 | A kind of novel carpet yarn manufacturing technique method and its forming machine for superheated steam |
-
2014
- 2014-01-10 CN CN201420014859.3U patent/CN203683993U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774486A (en) * | 2014-01-10 | 2014-05-07 | 广州华工环源绿色包装技术有限公司 | Normal-pressure superheated steam pulp-molding drying machine |
| CN107815932A (en) * | 2017-05-19 | 2018-03-20 | 杭州百路纸品有限公司 | A kind of production method of paper products |
| CN107815931A (en) * | 2017-05-19 | 2018-03-20 | 杭州百路纸品有限公司 | Paper pulp model formation machine and drying all-in-one paper pulp molding forming device and method |
| CN107815931B (en) * | 2017-05-19 | 2019-07-26 | 杭州百路纸品有限公司 | Paper pulp model formation machine and drying all-in-one paper pulp molding forming device and method |
| CN107815932B (en) * | 2017-05-19 | 2019-11-05 | 杭州百路纸品有限公司 | A kind of production method of paper products |
| CN110424121A (en) * | 2019-08-29 | 2019-11-08 | 浙江四通新材料科技股份有限公司 | A kind of novel carpet yarn manufacturing technique method and its forming machine for superheated steam |
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Address after: 510640 room 1101-2, No. four, No. 1, science street, science and technology, Guangzhou, Guangzhou high tech Industrial Development Zone, Guangdong, China Patentee after: Guangzhou Huanyuan environmentally friendly packaging technology Limited by Share Ltd Address before: 510640 room 1101-2, No. four, No. 1, science street, science and technology, Guangzhou, Guangzhou high tech Industrial Development Zone, Guangdong, China Patentee before: HGHY Molding Pack Co., Ltd. |