CN111765747A - Cloth drying device - Google Patents

Cloth drying device Download PDF

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Publication number
CN111765747A
CN111765747A CN202010649643.4A CN202010649643A CN111765747A CN 111765747 A CN111765747 A CN 111765747A CN 202010649643 A CN202010649643 A CN 202010649643A CN 111765747 A CN111765747 A CN 111765747A
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CN
China
Prior art keywords
box body
roller
plate
fixed
cloth
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.)
Pending
Application number
CN202010649643.4A
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Chinese (zh)
Inventor
李树昊
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010649643.4A priority Critical patent/CN111765747A/en
Publication of CN111765747A publication Critical patent/CN111765747A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/06Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a sinuous or zig-zag path
    • F26B13/08Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement with movement in a sinuous or zig-zag path using rollers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/12Controlling movement, tension or position of material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/18Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
    • F26B13/183Arrangements for heating, cooling, condensate removal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/10Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/02Applications of driving mechanisms, not covered by another subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention provides a cloth drying device, which comprises a box body, wherein a front door cover can be installed at the front end of the box body in an opening mode, a feed inlet for cloth to enter is formed in the left end of the box body, a discharge outlet for cloth to move out is formed in the right end of the box body, at least two heating rollers are installed on the rear wall in the box body at equal intervals, two guide pieces are correspondingly arranged on the upper side of each heating roller, the two guide pieces are installed on the rear wall in the box body in a sliding mode, a second guide roller is installed on the right lower side of the heating roller on the rightmost side, a first guide roller is installed on the left lower side of the heating roller on the leftmost side, and the second guide roller and the first guide roller are installed on the rear wall in the box body in a rotating mode.

Description

Cloth drying device
Technical Field
The invention discloses a cloth drying device, and belongs to the technical field of cloth drying.
Background
Present cloth drying device generally supports cloth through a plurality of stoving rollers, and heats the cloth of contact through the stoving roller and dries, though cloth coiling is on the stoving roller, but cloth and the actual area of contact of stoving roller is less, and the heat exchange efficiency between stoving roller and the cloth is lower, and it is long to dry required time, inefficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cloth drying device to solve the problems of low heat exchange efficiency between a drying roller and cloth, long drying time and low efficiency in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a cloth drying device, includes the box, the box front end can be opened formula installation front door closure, the box left end is equipped with the feed inlet that is used for cloth to get into, the box right-hand member is equipped with the discharge gate that is used for cloth to shift out, two at least warming mill, every are installed to inside back wall equidistance of box warming mill upside correspondence sets up two guides, two equal slidable mounting of guide is on the inside back wall of box, the rightmost side the side down side-mounting second guide roll of warming mill right side, the leftmost side the first guide roll of side-mounting under the warming mill left side, second guide roll and first guide roll all rotate and install on the inside back wall of box.
The guide piece comprises an L-shaped plate, the L-shaped plate comprises a horizontal plate and a vertical plate, the front end of the horizontal plate is close to the vertical plate fixed at the edge position, one side, far away from the vertical plate, of the front end of the horizontal plate rotates to install the circular roller, and a gap exists between the circular roller and the vertical plate.
The rear end of the L-shaped plate is fixed with a sliding block, the rear wall in the box body is provided with a sliding groove, and the sliding block is slidably arranged in the sliding groove.
Two electronic jars are fixed to the inside top bilateral symmetry of box, two a diaphragm is fixed jointly to electronic jar lower extreme, two at least connecting rods are fixed to the diaphragm lower extreme, the quantity that the connecting rod was established at warming mill upside and connecting rod is the same with the quantity of warming mill, all rotate the installation movable rod, two on the L shaped plate in two guides that the warming mill corresponds the movable rod upper end rotates jointly and connects a connecting plate, the connecting plate is fixed at the connecting rod lower extreme that corresponds.
The utility model discloses a heating roller, including box, heat medium inlet pipe, heat medium outlet pipe, at least two standing grooves, at least two first rotary joint, at least two fixed medium inlet pipe in heat medium outlet pipe upper end, the medium advances two fixed at least first rotary joint of pipe front end equidistance, two at least first standing grooves are seted up to box rear end equidistance, two at least first rotary joint establishes respectively inside first standing groove, two at least first rotary joint front end is connected with two at least warming mill respectively, two at least second rotary joint is all installed to the warming mill front end, two at least a medium outlet pipe is installed jointly to second rotary joint front end, the fixed perpendicular delivery tube of medium outlet pipe left end, perpendicular delivery tube is established inside the box and is extended from the box rear end.
Furthermore, a thread plate is arranged inside the heating roller, and a spiral flow channel is formed between the spiral plate and the inner wall of the heating roller.
Furthermore, an exhaust valve is fixed to the upper end of the box body and communicated with the interior of the box body.
Further, the inside back wall of box goes up the fixed support board, the backup pad is established at first guide roll downside on the right side, the backup pad up end is with the discharge gate parallel and level of box.
The invention has the beneficial effects that:
1. enter into the box with cloth from the feed inlet, and walk around two at least warming mill rollers and the guide that corresponds with two at least warming mill rollers in proper order with cloth from a left side to the right side, then walk around the right-hand member of second guide roll and the left end of first guide roll with cloth, and shift out from the discharge gate of box, lead to cloth through two guides that correspond with the warming mill roller, make cloth and the area of contact greatly increased of warming mill roller, thereby the heat exchange effect between warming mill roller and the cloth has been improved, drying effect and speed have been improved, and the heat that the warming mill roller produced is from warming mill outside dispersion, can go on further heating to the cloth of coiling on second guide roll and first guide roll, the heating effect is better.
2. The diaphragm is driven to move up and down through the work of the electric cylinder, so that at least two connecting rods are driven to move up and down, the guide pieces are driven to move left and right through the movable rods, the positions of the guide pieces are adjusted at one time, and the contact area between the cloth and the heating rollers is adjusted at one time.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front view of a piece goods drying apparatus of the present invention;
FIG. 2 is a schematic view of the interior of a piece goods drying apparatus according to the present invention;
FIG. 3 is a rear view of a piece goods drying apparatus of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 2;
FIG. 5 is a schematic view of a guide in a piece goods drying apparatus of the present invention;
in the figure: 1-box body, 2-electric cylinder, 3-transverse plate, 4-connecting rod, 5-movable rod, 6-guiding element, 7-heating roller, 8-front door cover, 9-first guiding roller, 10-second guiding roller, 11-exhaust valve, 12-medium outlet pipe, 13-medium inlet pipe, 14-delivery pump, 61-L-shaped plate, 62-round roller and 63-sliding block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a cloth drying device, the power distribution box comprises a box body 1, door closure 8 before 1 front end of box can open the formula installation, 1 left end of box is equipped with the feed inlet that is used for cloth to get into, 1 right-hand member of box is equipped with the discharge gate that is used for cloth to shift out, 1 inside back wall equidistance of box installs two at least warming mill 7, every warming mill 7 upside correspondence sets up two guides 6, two equal slidable mounting of guides 6 are on 1 inside back wall of box, 7 right downside installation second guide roll 10 of right side warming mill, 7 left downside installation first guide roll 9 of left side warming mill, second guide roll 10 and first guide roll 9 all rotate and install on 1 inside back wall of box.
Specifically, the openable connection of the front door cover 8 and the box body 1 may be configured such that the lower end of the front door cover 8 is connected to the box body 1 through a hinge, the upper end of the front door cover 8 is connected to the box body 1 through a locking member such as a flat nozzle buckle, the locking member of the box body 1 and the front door cover 8 is opened, the front door cover 8 is rotated and opened, then the cloth is fed into the box body 1 from a feed inlet as shown in fig. 2, and is sequentially passed around at least two heating rollers 7 and the guide members 6 corresponding to the at least two heating rollers 7 from left to right, and then the cloth is passed around the right end of the second guide roller 10 and the left end of the first guide roller 9 and is removed from a discharge outlet of the box body 1, in the design, the cloth is guided by the two guide members 6 corresponding to the heating rollers 7, so that the contact area between the cloth and the heating rollers 7 is greatly increased, thereby improving the heat exchange effect between the heating rollers, the drying effect and the drying speed are improved, heat generated by the heating roller 7 is dispersed outwards from the heating roller 7, cloth wound on the second guide roller 10 and the first guide roller 9 can be further heated, and the heating effect is better.
Guide 6 includes L shaped plate 61, and L shaped plate 61 includes horizontal plate and vertical board, and the horizontal plate front end is close to the fixed vertical board of marginal position, and the vertical board was kept away from to the horizontal plate front end one side rotate installation circle roller 62, has the clearance between circle roller 62 and the vertical board, and circle roller 62 is convenient for lead cloth, and cloth passes the clearance between circle roller 62 and the vertical board and removes.
A sliding block 63 is fixed at the rear end of the L-shaped plate 61, a sliding groove is formed in the rear wall of the interior of the box body 1, the sliding block 63 is slidably mounted in the sliding groove, and the guide piece 6 can move left and right relative to the heating roller 7 due to the design of the sliding block 63 and the sliding groove, so that the contact area of the cloth and the heating roller 7 is adjusted, and the cloth heating device is suitable for being used under various conditions.
Two electric cylinders 2 are symmetrically fixed at the left and right of the top end in the box body 1, a transverse plate 3 is fixed at the lower ends of the two electric cylinders 2 together, at least two connecting rods 4 are fixed at the lower end of the transverse plate 3, the connecting rods 4 are arranged at the upper side of a heating roller 7, the number of the connecting rods 4 is the same as that of the heating roller 7, movable rods 5 are rotatably arranged at the upper ends of L-shaped plates 61 in two guide pieces 6 corresponding to the heating roller 7, the upper ends of the two movable rods 5 are rotatably connected with a connecting plate together, the connecting plate is fixed at the lower end of the corresponding, and the switch is utilized to start the electric cylinder 2, the electric cylinder 2 works to drive the transverse plate 3 to move up and down, thereby driving the at least two connecting rods 4 to move up and down, and then the movable rod 5 drives the guide pieces 6 to move left and right, so that the positions of the guide pieces 6 can be adjusted at one time, namely the contact area between the cloth and the heating rollers 7 can be adjusted at one time.
A delivery pump 14 is fixed at the rear end of the box body 1, the input end of the delivery pump 14 is connected with a heat medium inlet pipe, the output end of the delivery pump 14 is connected with a heat medium outlet pipe, a medium inlet pipe 13 is fixed at the upper end of the heat medium outlet pipe, at least two first rotary joints are fixed at the front end of the medium inlet pipe 13 at equal intervals, at least two first placing grooves are arranged at the rear end of the box body 1 at equal intervals, at least two first rotary joints are respectively arranged in the first placing grooves, the front ends of the at least two first rotary joints are respectively connected with at least two heating rollers 7, second rotary joints are respectively arranged at the front ends of the at least two heating rollers 7, a medium outlet pipe 12 is jointly arranged at the front ends of the at least two second rotary joints, a vertical outlet pipe is fixed at the left end of the medium outlet pipe 12, the vertical outlet pipe is arranged in the box body 1 and extends out from the rear end of the box body 1, a heat medium, the heat medium is discharged through the medium outlet pipe 12, and when the heat medium flows through the heating roller 7, the heat medium heats the cloth wound around the outside of the heating roller 7, thereby drying the cloth.
The heating roller 7 is internally provided with a thread plate, and a spiral flow channel is formed between the spiral plate and the inner wall of the heating roller 7, so that the heat medium in the heating roller 7 can uniformly flow, and the heating roller 7 is uniformly heated.
The heat medium can be gas-liquid heating medium such as hot air, hot water or hot oil, and the heating pipe can be directly arranged in the heating roller 7 to realize the heating function.
Fixed discharge valve 11 in 1 upper end of box and discharge valve 11 and the inside intercommunication of box 1, when the inside atmospheric pressure of box 1 reached discharge valve 11's discharge pressure value, the inside hot-air of box 1 passed through discharge valve 11 and discharged, had guaranteed the security of equipment.
Fixed support plate on the inside back wall of box 1, the backup pad is established at first guide roll 9 right side downside, backup pad up end and box 1's discharge gate parallel and level, and the backup pad is convenient for carry out the auxiliary stay to the cloth that is about to the ejection of compact.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (4)

1. The utility model provides a cloth drying device which characterized in that: the heating device comprises a box body (1), wherein a front door cover (8) can be installed at the front end of the box body (1) in an opening mode, a feeding hole for cloth to enter is formed in the left end of the box body (1), a discharging hole for moving out the cloth is formed in the right end of the box body (1), at least two heating rollers (7) are installed on the rear wall inside the box body (1) at equal intervals, two guide pieces (6) are correspondingly arranged on the upper side of each heating roller (7), the two guide pieces (6) are installed on the rear wall inside the box body (1) in a sliding mode, a second guide roller (10) is installed on the lower right side of the heating roller (7) on the rightmost side, a first guide roller (9) is installed on the lower left side of the heating roller (7) on the leftmost side, and the second guide roller (10) and the first guide roller (;
the guide piece (6) comprises an L-shaped plate (61), the L-shaped plate (61) comprises a horizontal plate and a vertical plate, the front end of the horizontal plate is close to the edge position to fix the vertical plate, a round roller (62) is rotatably mounted on one side of the front end of the horizontal plate, which is far away from the vertical plate, and a gap exists between the round roller (62) and the vertical plate;
a sliding block (63) is fixed at the rear end of the L-shaped plate (61), a sliding groove is formed in the rear wall of the interior of the box body (1), and the sliding block (63) is slidably mounted in the sliding groove;
the heating roller is characterized in that two electric cylinders (2) are fixed at the top end inside the box body (1) in a bilateral symmetry mode, a transverse plate (3) is fixed at the lower ends of the two electric cylinders (2) together, at least two connecting rods (4) are fixed at the lower end of the transverse plate (3), the connecting rods (4) are arranged on the upper side of the heating roller (7), the number of the connecting rods (4) is the same as that of the heating roller (7), movable rods (5) are rotatably mounted at the upper ends of L-shaped plates (61) in two corresponding guide pieces (6) of the heating roller (7), the upper ends of the two movable rods (5) are rotatably connected with a connecting plate together, and the connecting plate is fixed;
a delivery pump (14) is fixed at the rear end of the box body (1), the input end of the delivery pump (14) is connected with a heat medium inlet pipe, the output end of the delivery pump (14) is connected with a heat medium outlet pipe, the upper end of the heat medium outlet pipe is fixed with a medium inlet pipe (13), at least two first rotating joints are fixed at the front end of the medium inlet pipe (13) at equal intervals, at least two first placing grooves are formed at the rear end of the box body (1) at equal intervals, at least two first rotating joints are respectively arranged in the first placing grooves, the front ends of at least two first rotating joints are respectively connected with at least two heating rollers (7), second rotating joints are respectively installed at the front ends of at least two heating rollers (7), a medium outlet pipe (12) is installed at the front ends of at least two second rotating joints, and a vertical delivery pipe is fixed at the left end of the medium delivery pipe (12), is arranged in the box body (1) and extends out of the rear end of the box body (1).
2. Cloth drying apparatus according to claim 1, wherein: a thread plate is arranged inside the heating roller (7), and a spiral flow channel is formed between the spiral plate and the inner wall of the heating roller (7).
3. Cloth drying apparatus according to claim 1, wherein: an exhaust valve (11) is fixed at the upper end of the box body (1), and the exhaust valve (11) is communicated with the interior of the box body (1).
4. Cloth drying apparatus according to claim 1, wherein: fixed support plate on the inside back wall of box (1), the downside on first guide roll (9) right side is established to the backup pad, the backup pad up end is parallel and level with the discharge gate of box (1).
CN202010649643.4A 2020-07-08 2020-07-08 Cloth drying device Pending CN111765747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010649643.4A CN111765747A (en) 2020-07-08 2020-07-08 Cloth drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010649643.4A CN111765747A (en) 2020-07-08 2020-07-08 Cloth drying device

Publications (1)

Publication Number Publication Date
CN111765747A true CN111765747A (en) 2020-10-13

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ID=72726525

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010649643.4A Pending CN111765747A (en) 2020-07-08 2020-07-08 Cloth drying device

Country Status (1)

Country Link
CN (1) CN111765747A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113289871A (en) * 2021-04-10 2021-08-24 重庆海通环保科技有限公司 Drying device for manufacturing reverse osmosis membrane

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1282797A (en) * 1960-10-25 1962-01-27 Paper drying system, apparatus and method
GB1029580A (en) * 1962-10-17 1966-05-18 Hupp Corp Heat treating apparatus and method
US4344236A (en) * 1980-12-17 1982-08-17 The B. F. Goodrich Company Web drying apparatus
CN104101195A (en) * 2014-07-20 2014-10-15 苏州塔可盛电子科技有限公司 Automatic cloth drying machine
CN105972965A (en) * 2016-07-06 2016-09-28 无锡市昂益达机械有限公司 Drying equipment for textile printing and dyeing
CN106288709A (en) * 2016-08-09 2017-01-04 浙江雅昌染织有限公司 A kind of novel fabric drying unit
CN107120940A (en) * 2016-02-25 2017-09-01 林敏� A kind of adjustable drying unit of non-woven fabrics
CN208671582U (en) * 2018-06-01 2019-03-29 潍坊市正泰防水材料有限公司 A kind of waterproofing membrane production tire base fabric drying unit
CN209263572U (en) * 2018-11-12 2019-08-16 湖北优布非织造布有限公司 Drying unit in nonwoven production process
CN110345739A (en) * 2019-07-22 2019-10-18 江苏众凯电气科技有限公司 A kind of drying box for the production of PE partition

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1282797A (en) * 1960-10-25 1962-01-27 Paper drying system, apparatus and method
GB1029580A (en) * 1962-10-17 1966-05-18 Hupp Corp Heat treating apparatus and method
US4344236A (en) * 1980-12-17 1982-08-17 The B. F. Goodrich Company Web drying apparatus
CN104101195A (en) * 2014-07-20 2014-10-15 苏州塔可盛电子科技有限公司 Automatic cloth drying machine
CN107120940A (en) * 2016-02-25 2017-09-01 林敏� A kind of adjustable drying unit of non-woven fabrics
CN105972965A (en) * 2016-07-06 2016-09-28 无锡市昂益达机械有限公司 Drying equipment for textile printing and dyeing
CN106288709A (en) * 2016-08-09 2017-01-04 浙江雅昌染织有限公司 A kind of novel fabric drying unit
CN208671582U (en) * 2018-06-01 2019-03-29 潍坊市正泰防水材料有限公司 A kind of waterproofing membrane production tire base fabric drying unit
CN209263572U (en) * 2018-11-12 2019-08-16 湖北优布非织造布有限公司 Drying unit in nonwoven production process
CN110345739A (en) * 2019-07-22 2019-10-18 江苏众凯电气科技有限公司 A kind of drying box for the production of PE partition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113289871A (en) * 2021-04-10 2021-08-24 重庆海通环保科技有限公司 Drying device for manufacturing reverse osmosis membrane

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Application publication date: 20201013

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