EP1079011A2 - Heisslufttrockner für Schlichtanlage - Google Patents

Heisslufttrockner für Schlichtanlage Download PDF

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Publication number
EP1079011A2
EP1079011A2 EP00303660A EP00303660A EP1079011A2 EP 1079011 A2 EP1079011 A2 EP 1079011A2 EP 00303660 A EP00303660 A EP 00303660A EP 00303660 A EP00303660 A EP 00303660A EP 1079011 A2 EP1079011 A2 EP 1079011A2
Authority
EP
European Patent Office
Prior art keywords
hot air
warp
drying chamber
air
exhausting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00303660A
Other languages
English (en)
French (fr)
Other versions
EP1079011B1 (de
EP1079011A3 (de
Inventor
Hironobu Nagata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsudakoma Corp
Original Assignee
Tsudakoma Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsudakoma Industrial Co Ltd filed Critical Tsudakoma Industrial Co Ltd
Publication of EP1079011A2 publication Critical patent/EP1079011A2/de
Publication of EP1079011A3 publication Critical patent/EP1079011A3/de
Application granted granted Critical
Publication of EP1079011B1 publication Critical patent/EP1079011B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03J—AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES
    • D03J1/00—Auxiliary apparatus combined with or associated with looms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10—Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials

Definitions

  • the present invention relates to a hot air dryer for a warp sizer for drying the warp by hot air after the warp have been sized.
  • the drying chamber is supplied with a flow of hot air passing through therein in the direction opposite to the running direction of the warp, with a relative speed of the hot air to the warp made increased, and along with this, with a temperature of the hot air elevated to be the highest possible.
  • the hot air with an elevated temperature is required to have the smallest possible thermal influence on physical properties of the warp.
  • a hot air dryer generally has two hot air circulating and exhausting systems each comprising a drying chamber and a hot air blower unit for circulating the hot air through a path in the air drying chamber and the hot air blower with a part of the hot air exhausted out of the system.
  • the two systems are the one on an upstream side in which runs the warp so wet that the temperature of the hot air is allowed to be set high, and the one on a downstream side in which run the warp so dried to some extent that the temperature is not allowed to be set so high.
  • Such a hot air dryer for warp sizer with the above constitution, an attempt is made to supply an exhausted air from the downstream side hot air circulating and exhausting system to the hot air blower unit on the upstream side to re-use the exhausted air for increasing energy efficiency.
  • a hot air dryer comprises, for example, as shown in Fig. 1, two hot air circulating and exhausting systems 1a and 1b on an upstream and downstream sides, respectively, each individually provided with a hot air blower unit 2a or 2b, and a drying chamber 4a or 4b through which runs warp 3.
  • Each of the hot air blower units 2a and 2b is formed with a steam heater 6, an electric heater 5, a blower 7, and a duct 8 through which the hot air is carried.
  • an exhausting duct 8a for exhausting a part of the hot air in the hot air circulating and exhausting system 1a through an exhausting fan 9a, and an exhausted air recovering duct 8b that sends exhausted air from an exhausting outlet 18 of the hot air circulating and exhausting system 1b to the steam heater 6 in the system 1a through the exhausting fan 9b.
  • the air recovering duct 8b the exhausted air from the hot air circulating and exhausting system 1b, with a lower moisture content and lower relative humidity than the hot air in the system 1a, is introduced into the hot air circulating and exhausting system 1a.
  • the exhausted air introduced into the hot air circulating and exhausting system 1a on the upstream side from the system 1b on the downstream side increases the volume of air flow in the hot air blower unit 2a on the upstream side.
  • the increased air velocity induced negative pressure near warp exit 12 of the drying chamber 4a to cause a phenomenon of allowing external air to flow into the drying chamber 4a. This further caused loss in thermal energy and a nonuniform temperature distribution in the drying chamber 4a that results in a nonuniformly dried the warp 3.
  • the increased air velocity caused a strong turbulent flow near warp entrance 11 on the upstream side of the drying chamber 4a to cause large amounts of hot air to flow out of the drying chamber 4a.
  • the hot air dryer for warp sizer comprises two hot air circulating and exhausting systems disposed on an upstream side and a downstream side along a running path of warp, respectively, each system comprising a drying chamber and a hot air blower unit for circulating a hot air between the drying chamber and the hot air blower so that the hot air flows in the direction opposite to the running direction of the warp in the drying chamber with a part of the hot air being exhausted outside the system, and an exhausted air recovering duct connecting the hot air circulating and exhausting system on the downstream side to the hot air blower unit in the system on the upstream side for sending exhausted air from the system on the downstream side to the hot air blower unit in the system on the upstream side.
  • Both of the drying chambers in the systems on the upstream and downstream sides are connected with each other so that the warp is allowed to run through a connected portion with the connected portion of the chambers being isolated from external air, and an air flow resister for reducing a cross sectional area of the passing hot air flow is provided in a hot air path between a hot air outlet opening and a hot air inlet opening in the drying chamber in the system on the upstream side.
  • the hot air blower unit may include a heater for heating the hot air and a blower for sending the hot air heated by the heater to the drying chamber, and the heater in the hot air blower unit in the system on the upstream side is provided with a hot air intake to which the exhausted air recovering duct is connected.
  • the air flow resister may be provided near the hot air inlet opening, and the air flow resister may be provided so that the cross sectional area of the passing hot air flow is made freely adjustable.
  • the exhausted air from the hot air circulating and exhausting system on the downstream side is recovered in the hot air blower unit in the system on the upstream side, mixed with the hot air circulating in the system on the upstream side, and blown out in the drying chamber on the upstream side as the hot air flowing in the drying chamber in the direction opposite to the running direction of the warp.
  • the flow of the hot air is throttled down to reduce the cross section thereof by the flow resister to receive an increased resistance to the hot air flow. This reduces the flow of the hot air passing through the drying chamber with an accompanied pressure increase in the downstream portion of the air flow resistor in the running direction of the warp.
  • both of the drying chambers on the upstream and downstream sides are connected with the connected portion being isolated from the external air, a part of the hot air blown out in the drying chamber on the upstream side flows toward the drying chamber on the downstream side under a pressure lower than that of the drying chamber on the upstream side to circulate in the hot air circulating and exhausting system on the downstream side or to be recovered from the exhaust air recovering duct into the hot air blower unit on the upstream side.
  • the reduction of the flow of the hot air passing through the drying chamber also reduces the turbulence near the warp entrance to reduce both of the hot air flowing out of the warp entrance and the external air flowing therein, which further reduces heat loss.
  • the air exhausted from the hot air circulating and exhausting system on the downstream side is sent to the hot air inlet of the heaters of the hot air blower unit on the upstream side for being recovered.
  • the recovered exhausted air is heated to be the hot air and blown out in the drying chamber in the hot air circulating and exhausting system on the upstream side.
  • the hot air is disturbed to cause turbulence after passing through the air flow resistor.
  • the influence of the turbulence on the warp that disturbs the running thereof is made the slightest possible.
  • the air flow resister By allowing the air flow resister to provide a cross sectional area for passing the hot air flow made freely adjustable, resistance to an air flow passing through the air flow resistor is adjusted to vary the volume of the hot air flow passing through the drying chamber. This further changes the pressure in the drying chamber downstream the air flow resistor in the running direction of the warp to allow the volume of the hot air, which flows into the drying chamber on the downstream side, to be adjusted.
  • FIG. 2 is a view showing an embodiment of a hot air dryer for warp sizer in which two hot air circulating and exhausting systems 1a and 1b are connected along the running direction of warp 3.
  • the hot air circulating and exhausting systems 1a and 1b are provided with hot air blower units 2a and 2b, and drying chambers 4a and 4b through which a number of threads of sized warp 3 are made to pass in a form of a sheet, respectively.
  • both of the drying chambers 4a and 4b are connected with each other in a portion drawn by a chain double-dashed line shown in the middle of the figure with the connected portion being isolated from the external air.
  • Each of the hot air blower units 2a and 2b comprises a steam heater 6, an electric heater 5, a blower 7, and a duct 8 for carrying the hot air.
  • Each duct 8 is provided in the downstream portion of each of the drying chambers 4a and 4b and connected to the downstream portion of each blower 7 that sends the hot air from the steam heater 6 and the electric heater 5.
  • a top of each duct 8 is opened as a hot air outlet opening 13 in the downstream portion of each of the drying chambers 4a and 4b toward the upstream portion in the running direction of the warp 3.
  • a hot air inlet opening 14 of each of the hot air blower units 2a and 2b In the upstream portion of each of the drying chambers 4a and 4b, there is positioned a hot air inlet opening 14 of each of the hot air blower units 2a and 2b.
  • the hot air circulating and exhausting system 1a positioned on the upstream side to the running direction of the warp 3, there is provided near the hot air inlet opening 14 an exhausting outlet 18 of the exhausting duct 8a that exhausts a part of the hot air through an exhausting fan 9a.
  • an exhausted air recovering duct 8b at an exhausting outlet 18 provided near the hot air inlet opening 14.
  • the exhausted air recovering duct 8b has a supplied air outlet 19 at the downstream end thereof, which connects, through an exhausting fan 9b, the exhausted air recovering duct 8b to a hot air intake 20 of the steam heater 6 in the hot air circulating and exhausting system 1a positioned on the upstream side.
  • the exhaust air is sent in the exhaust air recovering duct 8b through an exhausting fan 9b from the exhausting outlet 18 to the steam heater 6 in the hot air circulating and exhausting system 1a and made circulated therein.
  • Each of the drying chambers 4a and 4b are formed in a hollow rectangular solid. At an upstream end of the drying chamber 4a and at a downstream end of the drying chamber 4b, warp entrance 11 and warp exit 12 are formed, respectively. In the embodiment, a whole downstream end of the system 1a on the upstream side is connected to a whole upstream end of the system 1b on the downstream side. However, it may be possible to connect only a downstream end of the drying chamber 4a and an upstream end of the drying chamber 4b.
  • the hot air dryer for warp sizer is provided with an air flow resister 15 in a hot air path between the hot air inlet opening 14 and the hot air outlet opening 13 in the drying chamber 4a on the upstream side.
  • the air flow resister 15 locally reduces the cross sectional area of the passing hot air flow to increase a resistance to the passing hot air flow.
  • the air flow resister 15 is constituted by two resister plates 16 provided on upper and lower walls near the hot air inlet opening 14 in the drying chamber 4a. The width of each of the two resister plates 16 is approximately equal to an inner width of the drying chamber 4a.
  • a number of threads of the warp 3 arranged in a sheet-like form are sized in an unillustrated warp sizing device. Thereafter, the sized warp 3 is introduced from the warp entrance 11 into the drying chamber 4a to pass through between the upper and lower resister plates 16 while running inside the drying chamber 4a. The warp 3 further runs through inside the chambers 4a and 4b and finally goes out from the warp exit 12 in dried state.
  • the hot air heated by the steam heater 6 and the electric heater 5 of the hot air blower unit 2a is blown out by the blower 7 into the drying chamber 4a from the hot air outlet opening 13, flows in the drying chamber 4a in the direction opposite to the running direction of the sheet-like warp 3, passes through between the upper and lower resister plates 16 of the air flow resister 15, and returns to the hot air blower unit 2a through the hot air inlet opening 14.
  • the exhausted air from the hot air circulating and exhausting system 1b flowed through the hot air recovering duct 8b is mixed with the hot air returned from the hot air inlet opening 14.
  • the mixed hot air is then heated by the heaters 5 and 6 before being blown out into the drying chamber 4a by the blower 7 to circulate along a hot air flowing path in the hot air circulating and exhausting system 1a.
  • the hot air heated by the steam heater 6 and the electric heater 5 is blown out by the blower 7 inside the drying chamber 4b from the hot air outlet opening 13 through the duct 8, flows in the drying chamber 4b in the direction opposite to the running direction of the sheet-like warp 3, and returns to the hot air blower unit 2b again through the hot air inlet opening 14.
  • a part of the hot air circulating in the hot air circulating and exhausting system 1b is exhausted from the exhausting outlet 18 provided near the hot air inlet opening 14 of the hot air blower unit 2b, but returned to the hot air circulating and exhausting system 1a through the exhaust air recovering duct 8b.
  • the warp 3 in the hot air circulating and exhausting system 1a is so sufficiently wet as to be little affected by heat, the temperature of the hot air at the hot air outlet opening 13 in the system 1a on the upstream side is set higher than that at the hot air outlet opening 13 in the system 1b on the downstream side.
  • the air flow resister 15 in the downstream vicinity of the hot air inlet opening 14 in the drying chamber 4a, there are provided two resister plates 16 as the air flow resister 15. This throttles down the hot air flow in the drying chamber 4a to reduce the cross section thereof, which increases pressure in the drying chamber 4a in the downstream portion in the running direction of the warp 3 to the air flow resister 15.
  • the volume of the hot air flow passing through and flowing out of the drying chamber 4a is reduced to further reduce the velocity of the hot air flow, which calms down the turbulent state of the hot air near the warp entrance 11 to reduce both of hot air flowing out of the warp entrance 11 and external air entering into there. This allows the hot air to conserve more heat and to be recovered with the conserved heat from the hot air inlet opening 14 for circulating in the hot air circulating and exhausting system 1a on the upstream side, resulting in realization of significantly high thermal efficiency.
  • a part of the hot air flowing in the drying chamber 4a is exhausted from the exhausting outlet 18 provided between the warp entrance 11 and the hot air inlet opening 14, by which the air circulating in the hot air dryer for warp sizer is gradually changed to exhaust moisture in the warp 3 after being sized.
  • the downstream end of the drying chamber 4a and the upstream end of the drying chamber 4b are connected with external air being isolated, by which no external air is allowed to flow into the downstream end of the drying chamber 4a to cause no loss in heat quantity.
  • the air flow resister 15 provided near the hot air inlet opening 14 in the hot air flow path between the hot air inlet opening 14 and the hot air outlet opening 13 in the drying chamber 4a increases the hot air pressure in the downstream portion of the air flow resister 15 in the drying chamber 4a to allow a part of the hot air blown out from the hot air outlet opening 13 to flow into the drying chamber 4b.
  • the downstream end of the drying chamber 4a can be prevented from causing nonuniform temperature distribution therein that causes the warp to be nonuniformely dried, by which the warp can be prevented from being provided with a deteriorated quality.
  • the air flow resister 15 causes turbulence of the hot air flow.
  • the turbulence due to the air flow resister 15, however, has little influence on the warp 3 because the air flow resister 15 is provided near the hot air inlet opening 14 where the hot air flow is naturally in turbulent state.
  • the part of the hot air blown out of the hot air outlet opening 13 in the hot air circulating and exhausting system 1a on the upstream side and flowing into the drying chamber 4b is returned to the hot air circulating and exhausting system 1b on the downstream side. A part of this is further returned to the system 1a on the upstream side again by the exhaust air recovering duct 8b. In this way, the exhausted air from the system 1b on the downstream side is recovered without any loss to result in realization of significantly high thermal efficiency.
  • the resister plates 16 are for reducing a cross sectional area of the passing hot air flow. For achieving this purpose, one of them may be provided only on either the upper or the lower wall of the drying chamber 4a. Further, it may not be necessary to provide it over the whole width of the drying chamber 4a. In addition, for the resister plates 16 provided both on the upper and lower walls of the drying chamber 4a, the resister plates 16 may not necessarily be provided with the same height.
  • the resister plates 16 of the air flow resister 15 may be provided with the height thereof further made variable as shown in Fig. 3, by which the resistance to the air flow can be made adjustable.
  • the air flow resister 15 comprises, for example, a pair of the resister plates 16 each attached to a bracket 20.
  • the resister plate 16 is provided with a vertical slot 21 so that the resister plate 16, secured to the bracket 20 with a bolt and nut 22, is allowed to be adjustable in the direction of height.
  • the resistance to the hot air flow can be adjusted to prepare the pressure and hot air flow in the drying chamber in optimum conditions.
  • the exhausted air from the hot air circulating and exhausting system on the downstream side is recovered in the hot air circulating and exhausting system on the upstream side, and both of the drying chambers on the upstream and downstream sides are connected with each other with external air being isolated for preventing the external air from flowing into the drying chambers to improve thermal efficiency.
  • the air flow resister is provided in the drying chamber on the upstream side to reduce the amount of the hot air passing through the drying chamber on the upstream side, calm down turbulence in the flow near the warp entrance for preventing the external air from entering into the warp entrance, and further improve thermal efficiency.
  • the air flow resister thus provided further brings about a pressure increase in the drying chamber on the upstream side, which prevents the hot air in the drying chamber on the downstream side, with a temperature not so high, from entering into the drying chamber on the upstream side and causing nonuniform temperature distribution in the drying chamber. This can prevent the warp from being ununiformely dried due to the nonuniform temperature distribution in the drying chamber.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)
  • Warping, Beaming, Or Leasing (AREA)
EP00303660A 1999-05-06 2000-05-02 Heisslufttrockner für Schlichtanlage Expired - Lifetime EP1079011B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12552299A JP3449536B2 (ja) 1999-05-06 1999-05-06 経糸糊付け機の熱風乾燥装置
JP12552299 1999-05-06

Publications (3)

Publication Number Publication Date
EP1079011A2 true EP1079011A2 (de) 2001-02-28
EP1079011A3 EP1079011A3 (de) 2004-01-07
EP1079011B1 EP1079011B1 (de) 2007-03-14

Family

ID=14912254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00303660A Expired - Lifetime EP1079011B1 (de) 1999-05-06 2000-05-02 Heisslufttrockner für Schlichtanlage

Country Status (5)

Country Link
EP (1) EP1079011B1 (de)
JP (1) JP3449536B2 (de)
KR (1) KR100540634B1 (de)
DE (1) DE60033893T2 (de)
TW (1) TW464703B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100540634B1 (ko) * 1999-05-06 2006-01-10 츠다코마 고교 가부시키가이샤 날실 풀칠기의 열풍건조장치
CN111334953A (zh) * 2020-03-21 2020-06-26 新昌县衣锦纺织机械有限公司 一种喷涂均匀的纺织纱线均匀上浆定型设备
CN114318731A (zh) * 2021-12-29 2022-04-12 吴江超翔织造有限公司 一种织物上浆热处理装置及方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101985797B (zh) * 2010-08-30 2013-05-01 无锡市德赛数码科技有限公司 数码上浆机
CN104631016A (zh) * 2015-03-10 2015-05-20 蔡文沾 一种纱线拉经上浆一体机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026036A (en) * 1975-06-06 1977-05-31 Tsudakoma Kogyo Kabushiki Kaisha Apparatus for controlling temperature on a drying machine for running yarn sheets
JPH02191762A (ja) * 1989-01-19 1990-07-27 Tsudakoma Corp 糊付機における経糸の熱風乾燥方法
JPH06299459A (ja) * 1993-04-13 1994-10-25 Kawamoto Seiki Kk 経糸糊付機の乾燥装置における湿度制御方法
JP2000192364A (ja) * 1998-12-21 2000-07-11 Tsudakoma Corp 経糸糊付け機の熱風乾燥装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06347167A (ja) * 1993-06-07 1994-12-20 Shinsei Kogyo Kk 布はくの熱風乾燥機
JPH087025A (ja) * 1994-06-23 1996-01-12 Fujitsu Kiden Ltd ガンスキャナ及び着脱式照準スティック
JP3258886B2 (ja) * 1996-01-31 2002-02-18 津田駒工業株式会社 糊付機等の熱風乾燥装置
JP3449536B2 (ja) * 1999-05-06 2003-09-22 津田駒工業株式会社 経糸糊付け機の熱風乾燥装置
KR100464703B1 (ko) * 2001-12-28 2005-01-05 김병일 붕규산유리조성물 및 이를 이용한 발포유리제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026036A (en) * 1975-06-06 1977-05-31 Tsudakoma Kogyo Kabushiki Kaisha Apparatus for controlling temperature on a drying machine for running yarn sheets
JPH02191762A (ja) * 1989-01-19 1990-07-27 Tsudakoma Corp 糊付機における経糸の熱風乾燥方法
JPH06299459A (ja) * 1993-04-13 1994-10-25 Kawamoto Seiki Kk 経糸糊付機の乾燥装置における湿度制御方法
JP2000192364A (ja) * 1998-12-21 2000-07-11 Tsudakoma Corp 経糸糊付け機の熱風乾燥装置

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 470 (C-0769), 15 October 1990 (1990-10-15) -& JP 02 191762 A (TSUDAKOMA CORP), 27 July 1990 (1990-07-27) *
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 01, 28 February 1995 (1995-02-28) -& JP 06 299459 A (KAWAMOTO SEIKI KK), 25 October 1994 (1994-10-25) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 10, 17 November 2000 (2000-11-17) -& JP 2000 192364 A (TSUDAKOMA CORP), 11 July 2000 (2000-07-11) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100540634B1 (ko) * 1999-05-06 2006-01-10 츠다코마 고교 가부시키가이샤 날실 풀칠기의 열풍건조장치
CN111334953A (zh) * 2020-03-21 2020-06-26 新昌县衣锦纺织机械有限公司 一种喷涂均匀的纺织纱线均匀上浆定型设备
CN111334953B (zh) * 2020-03-21 2021-11-23 重庆华智天下科技有限公司 一种喷涂均匀的纺织纱线均匀上浆定型设备
CN114318731A (zh) * 2021-12-29 2022-04-12 吴江超翔织造有限公司 一种织物上浆热处理装置及方法
CN114318731B (zh) * 2021-12-29 2022-11-01 吴江超翔织造有限公司 一种织物上浆热处理装置及方法

Also Published As

Publication number Publication date
JP2000314070A (ja) 2000-11-14
DE60033893D1 (de) 2007-04-26
EP1079011B1 (de) 2007-03-14
EP1079011A3 (de) 2004-01-07
TW464703B (en) 2001-11-21
KR20010049334A (ko) 2001-06-15
JP3449536B2 (ja) 2003-09-22
DE60033893T2 (de) 2007-09-20
KR100540634B1 (ko) 2006-01-10

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