CN103498380A - Drying device applied to producing high-breathability paper products in papermaking industry - Google Patents
Drying device applied to producing high-breathability paper products in papermaking industry Download PDFInfo
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- CN103498380A CN103498380A CN201310522256.4A CN201310522256A CN103498380A CN 103498380 A CN103498380 A CN 103498380A CN 201310522256 A CN201310522256 A CN 201310522256A CN 103498380 A CN103498380 A CN 103498380A
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- drying room
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Abstract
The invention discloses a drying device applied to producing high-breathability paper products in the papermaking industry. The drying device comprises a circulating fan, a heating device and a drying room which are sequentially connected through a circulating air channel, a cellular circular mesh rotation barrel is arranged inside the drying room, and an air outlet of the cellular circular mesh rotation barrel is connected with an air inlet of the circulating fan through an air sucking drum. A moisture removal air channel which is communicated with the outside and is provided with a control damper is arranged on the circulating air channel between the circulating fan and a combustor. The cellular circular mesh rotation barrel is arranged inside the drying room in the modes that the cellular circular mesh rotation barrel shares the same axis with the air sucking drum and is communicated with the inner cavity of the air sucking drum. The two ends of the cellular circular mesh rotation barrel are combined with a drying room front wallboard and a drying room rear wallboard respectively through connecting pieces. A transmission shaft of the cellular circular mesh rotation barrel is combined with a motor through a speed reducing mechanism. An air inlet of the drying room is formed in the side wall of the drying room which is parallel to the axis of the cellular circular mesh rotation barrel.
Description
Technical field
The present invention relates to a kind of baking apparatus that is applied to the higher paper product of production gas permeability in paper industry.
Background technology
Papermaking has a long history in China, and traditional l Water Paper drying is carried out at dryer surface.L Water Paper is attached to dryer surface, by drying cylinder, heat is passed to l Water Paper, by heating and evaporating moisture content, reaches dry purpose.L Water Paper contacts with drying cylinder and starts heating, and the moisture content in l Water Paper is evaporated gradually, and the moisture content of l Water Paper internal layer just diffuses to the surface.The speed of l Water Paper water evaporates, except being decided by that drying cylinder passes to the heat of l Water Paper, also relevant with temperature and the steam partial pressure of l Water Paper face surrounding air.And drying cylinder passes to the heat of l Water Paper and is subject to a customization limit, for example, the steam pressure that drying cylinder bears, the heat transfer coefficient of drying cylinder etc.Improve the temperature of wet paper surface air or reduce l Water Paper steam partial pressure on every side, just can accelerate the drying of l Water Paper.At present, the l Water Paper paper industries such as culture, packing and life low for air penetrability adopts the drying cylinder drying more, and said method is effective, and for air penetrability high l Water Papers such as air filtration, the efficiency of said method is relatively low, easily makes paper produce to harden, feel is poor, affects gas permeability.
Summary of the invention
Purpose of the present invention is just for paper product that in above-mentioned prior art, existing weak point is high for air penetrability and a kind of baking apparatus that is applied to the higher paper product of production gas permeability in paper industry is provided.
Purpose of the present invention can realize by following technique measures:
The baking apparatus that is applied to the higher paper product of production gas permeability in paper industry of the present invention comprises the drying room that is provided with cellular cylinder revolving drum by circulation air path connected circulating fan, heater, inside successively; The air outlet of described cellular cylinder revolving drum is connected with the air inlet of circulating fan by wind sucting tube; Be provided with the hydrofuge air channel that is in communication with the outside and is equipped with damper on the circulation air path between circulating fan and burner; Described cellular cylinder revolving drum is arranged in drying room in the mode with wind sucting tube coaxial line and intracavity inter-connection, the two ends of cellular cylinder revolving drum combine with wallboard before and after drying room respectively by connector, and the power transmission shaft of described cellular cylinder revolving drum combines with motor by reducing gear; The air inlet of described drying room is arranged on the sidewall of the drying room paralleled with cellular cylinder revolving drum axis, is provided with l Water Paper import and the dry paper delivery of the strip structure paralleled with cellular cylinder revolving drum axis in the bottom of drying room.
The Intranet of the cellular cylinder revolving drum described in the present invention is that air penetrability is greater than 90% cellular stainless steel web plate formation, and outer net is that stainless steel cloth forms; Described power transmission shaft is connected with variable-frequency motor by drive sprocket, decelerator; Adjust the variable-frequency motor frequency, the transfer velocity of capable of regulating paper product reaches the process speed of regulation, with the front and back device synchronization.
More specifically: air circulation system: by circulating fan, circulation air path, drying room and wind sucting tube, formed.Under the driving of circulating fan, air enters air channel and enters drying room through dehumidification system and heating system, penetrates l Water Paper, then gets back to circulating fan with wind sucting tube in cylinder, forms circulation.
Dehumidification system: formed by hydrofuge air channel and damper.Before being arranged on heating and temperature control system, before air is heated again, most of steam is discharged, improve the efficiency of heating surface, energy-saving and emission-reduction; Discharging the flow of humid air is controlled by the size of damper aperture.
Heating and temperature control system: by direct combustion neat gas burner, temperature control instrument, formed.The direct combustion neat gas burner adds hot-air, and temperature control instrument detects, calculates, compares the technique initialization temperature, adjusts the quantity combusted of direct combustion neat gas burner, maintains the drying room temperature in the scope of technique initialization.
Operation principle of the present invention is as follows:
L Water Paper enters in drying room by deflector roll, under the negative-pressure adsorption in cylinder, is close to outer stainless steel wire net surface; Along with the rotation of cylinder, l Water Paper is passed by the heated dry air of strong convection in drying room, and the moisture in it is heated to evaporate becomes steam, with air, is mixed into the damp-heat air that relative humidity is higher and is siphoned away by the negative pressure in cylinder in time; Circulating fan is delivered to air circulation system by humid air, first through dehumidification system, most of steam is discharged, again through the burner heating, humid air becomes the heated dry air that meets technological requirement again, then penetrating l Water Paper returns in cylinder, before l Water Paper is migrated out device by cylinder, after the heated dry air of circulation repeatedly passes, the l Water Paper moisture content reaches the numerical value of process stipulation.
Beneficial effect of the present invention is as follows:
Device of the present invention heats by employing the design concept that Forced Air Convection penetrates l Water Paper, make that overall structure is more reasonable, efficiency is high, good reliability, floor space are little, it is easy to maintenance, simple to operate to construct, cost of investment is low, thermal energy consumption is few, the effect of driving energy-saving and emission-reduction, and the intensity of dry paper and feel are improved.
The accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
Fig. 2 is contour structures stereogram of the present invention.
The rear side schematic diagram that Fig. 3 is Fig. 2.
Fig. 4 is cellular cylinder revolving drum stereogram of the present invention.
Sequence number in figure: 1 is circulation air path; 2 is wind sucting tube; 3 is circulating fan; 4 is drying room; 5 is the hydrofuge air channel; 6 is damper; 7 is heater (burner); 8 is temperature control instrument; 9 is cellular cylinder revolving drum; 10 is power transmission shaft; 11 is stainless steel cloth; 12 is cellular expanded metal lath.
The specific embodiment
The present invention is further described below in conjunction with embodiment (accompanying drawing):
As shown in Figure 1, 2, 3, the baking apparatus that is applied to the higher paper product of production gas permeability in paper industry of the present invention comprises the drying room 4 that is provided with cellular cylinder revolving drum 9 by circulation air path 1 connected circulating fan 3, heater 7, inside successively; The air outlet of described cellular cylinder revolving drum 9 is connected with the air inlet of circulating fan 3 by wind sucting tube 2; Be provided with the hydrofuge air channel 5 that is in communication with the outside and is equipped with damper 6 on the circulation air path between circulating fan 3 and burner 7; Described cellular cylinder revolving drum 9 is arranged in drying room 4 in the mode with wind sucting tube 2 coaxial lines and intracavity inter-connection, the two ends of cellular cylinder revolving drum 9 combine with drying room 4 front and back wallboards respectively by connector, and the power transmission shaft of described cellular cylinder revolving drum 9 combines with motor by reducing gear; The air inlet of described drying room 4 is arranged on the sidewall of the drying room 4 paralleled with cellular cylinder revolving drum axis, is provided with in the bottom of drying room 4 that the l Water Paper import of the strip structure paralleled with cellular cylinder revolving drum axis and dry paper delivery and paper are derived, guide-in roller.
As shown in Figure 4, the air penetrability of cellular cylinder revolving drum 9 directly affects product quality, if air penetrability is little, is heated inhomogeneous, and intensity does not reach technological requirement.The Intranet of the cellular cylinder revolving drum 9 described in the present invention is that air penetrability is greater than 90% cellular stainless steel web plate 12 formations, and outer net is that stainless steel cloth 11 forms; Described power transmission shaft is connected with variable-frequency motor 10 by drive sprocket, decelerator; Adjust the variable-frequency motor frequency, the transfer velocity of capable of regulating paper product reaches the process speed of regulation, with the front and back device synchronization.
Specific works mode of the present invention and principle are as follows:
The interior formation negative pressure of cellular cylinder revolving drum 9 under the effect of circulating fan 3, l Water Paper enters drying room 4 through deflector roll, be close to shown in outer stainless steel cloth 11(Fig. 4 of cellular cylinder revolving drum 9) surface, along with cellular cylinder revolving drum 9 rotates, l Water Paper is passed by the hot-air of strong convection in drying room, moisture in it is heated to evaporate becomes steam, with air, is mixed into the damp-heat air that relative humidity is higher and siphons away in cellular cylinder revolving drum 9 in time.When l Water Paper goes out drying room 4, moisture content reaches the requirement of regulation, and the intensity of dry paper and feel are improved.
In wind sucting tube 2, damp-heat air in cellular cylinder revolving drum 9 is sent to air channel 1 through circulating fan 3, in damp-heat air, most of moisture enters atmosphere by exhausting duct 5, the dry air that reduces temperature 1 enters drying room 4 along air channel after burner 7 heats up, with certain speed and pressure penetration l Water Paper, by the evaporation of the moisture in l Water Paper, again get back to circulating fan 3.Through repeatedly circulation, take full advantage of the heat of humid air, reached again energy-saving and emission-reduction, reduce the thermal pollution to environment.
The temperature of circulating air is by shown in the temperature control instrument 8(Fig. 2 that is arranged on drying room) changing condition of temperature is passed to the control module that burner 7 carries in time, through calculating with the numerical value of setting, compare, while being greater than or less than setting value, control module is sent instruction, adjust the ratio adjusting valve that burner 7 carries, automatically the temperature of controlled circulation air.
In damp-heat air the moisture discharge capacity the number control (shown in Fig. 1,3) according to technological requirement by exhaust damper 6.
Claims (2)
1. a baking apparatus that is applied to the higher paper product of production gas permeability in paper industry is characterized in that: it comprises the drying room that is provided with cellular cylinder revolving drum by circulation air path connected circulating fan, heater, inside successively; The air outlet of described cellular cylinder revolving drum is connected with the air inlet of circulating fan by wind sucting tube; Be provided with the hydrofuge air channel that is in communication with the outside and is equipped with damper on the circulation air path between circulating fan and burner; Described cellular cylinder revolving drum is arranged in drying room in the mode with wind sucting tube coaxial line and intracavity inter-connection, the two ends of cellular cylinder revolving drum combine with wallboard before and after drying room respectively by connector, and the power transmission shaft of described cellular cylinder revolving drum combines with motor by reducing gear; The air inlet of described drying room is arranged on the sidewall of the drying room paralleled with cellular cylinder revolving drum axis, is provided with in the bottom of drying room that the l Water Paper import of the strip structure paralleled with cellular cylinder revolving drum axis and dry paper delivery and paper are derived, guide-in roller.
2. the baking apparatus that is applied to the higher paper product of production gas permeability in paper industry according to claim 1, it is characterized in that: the Intranet of described cellular cylinder revolving drum is that air penetrability is greater than 90% cellular stainless steel web plate formation, and outer net is that stainless steel cloth forms; Described power transmission shaft is connected with variable-frequency motor by drive sprocket, decelerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522256.4A CN103498380A (en) | 2013-10-30 | 2013-10-30 | Drying device applied to producing high-breathability paper products in papermaking industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310522256.4A CN103498380A (en) | 2013-10-30 | 2013-10-30 | Drying device applied to producing high-breathability paper products in papermaking industry |
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| CN103498380A true CN103498380A (en) | 2014-01-08 |
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| CN201310522256.4A Pending CN103498380A (en) | 2013-10-30 | 2013-10-30 | Drying device applied to producing high-breathability paper products in papermaking industry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867141A (en) * | 2018-07-19 | 2018-11-23 | 湖南三匠人科技有限公司 | One kind penetrating drying cylinder |
| CN112254485A (en) * | 2020-11-03 | 2021-01-22 | 山东北方造纸机械有限公司 | High-efficient environmental protection drying device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3453712A (en) * | 1966-08-29 | 1969-07-08 | Procter & Gamble | Method of making a porous roll |
| US4328626A (en) * | 1978-02-03 | 1982-05-11 | H. Walli Gesellschaft M.B.H. Papier- Und Zellstoffwattefabrik | Apparatus for drying a fibrous web |
| CN1409786A (en) * | 1999-12-16 | 2003-04-09 | 梅特索·佩珀·卡尔斯塔德公司 | Seal arrangement for through-air drying paper-making machine |
| US20040128855A1 (en) * | 2002-10-14 | 2004-07-08 | Franz Haider | Device for continuous drying of a pulp sheet |
| US20050072543A1 (en) * | 2003-09-12 | 2005-04-07 | Hada Frank S. | System and process for throughdrying tissue products |
| US20050072023A1 (en) * | 2003-09-12 | 2005-04-07 | Kimberly-Clark Worldwide, Inc. | Apparatus for drying a tissue web |
| US6877246B1 (en) * | 2003-12-30 | 2005-04-12 | Kimberly-Clark Worldwide, Inc. | Through-air dryer assembly |
| US20060021249A1 (en) * | 2004-07-30 | 2006-02-02 | Hagen Stephen C | Cross-machine flow and profile control for through-air devices treating permeable webs |
| US7040038B1 (en) * | 1998-09-02 | 2006-05-09 | Metso Paper Usa, Inc. | Apparatus for processing permeable or semi-permeable webs |
| CN203613415U (en) * | 2013-10-30 | 2014-05-28 | 恒天重工股份有限公司 | Drying device for producing paper products with higher breathability applied to papermaking industry |
-
2013
- 2013-10-30 CN CN201310522256.4A patent/CN103498380A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3453712A (en) * | 1966-08-29 | 1969-07-08 | Procter & Gamble | Method of making a porous roll |
| US4328626A (en) * | 1978-02-03 | 1982-05-11 | H. Walli Gesellschaft M.B.H. Papier- Und Zellstoffwattefabrik | Apparatus for drying a fibrous web |
| US7040038B1 (en) * | 1998-09-02 | 2006-05-09 | Metso Paper Usa, Inc. | Apparatus for processing permeable or semi-permeable webs |
| CN1409786A (en) * | 1999-12-16 | 2003-04-09 | 梅特索·佩珀·卡尔斯塔德公司 | Seal arrangement for through-air drying paper-making machine |
| US20040128855A1 (en) * | 2002-10-14 | 2004-07-08 | Franz Haider | Device for continuous drying of a pulp sheet |
| US20050072543A1 (en) * | 2003-09-12 | 2005-04-07 | Hada Frank S. | System and process for throughdrying tissue products |
| US20050072023A1 (en) * | 2003-09-12 | 2005-04-07 | Kimberly-Clark Worldwide, Inc. | Apparatus for drying a tissue web |
| US6877246B1 (en) * | 2003-12-30 | 2005-04-12 | Kimberly-Clark Worldwide, Inc. | Through-air dryer assembly |
| US20060021249A1 (en) * | 2004-07-30 | 2006-02-02 | Hagen Stephen C | Cross-machine flow and profile control for through-air devices treating permeable webs |
| CN203613415U (en) * | 2013-10-30 | 2014-05-28 | 恒天重工股份有限公司 | Drying device for producing paper products with higher breathability applied to papermaking industry |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867141A (en) * | 2018-07-19 | 2018-11-23 | 湖南三匠人科技有限公司 | One kind penetrating drying cylinder |
| CN112254485A (en) * | 2020-11-03 | 2021-01-22 | 山东北方造纸机械有限公司 | High-efficient environmental protection drying device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140108 |