CN109028832A - Three-cylinder drier - Google Patents

Three-cylinder drier Download PDF

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Publication number
CN109028832A
CN109028832A CN201810597500.6A CN201810597500A CN109028832A CN 109028832 A CN109028832 A CN 109028832A CN 201810597500 A CN201810597500 A CN 201810597500A CN 109028832 A CN109028832 A CN 109028832A
Authority
CN
China
Prior art keywords
cylinder
fixed
conical shell
groove
support
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
CN201810597500.6A
Other languages
Chinese (zh)
Inventor
斐仪成
仇庆东
刘旭东
仇庆林
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.)
Yancheng Chengda Environmental Protection Engineering Co Ltd
Original Assignee
Yancheng Chengda Environmental Protection Engineering 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 Yancheng Chengda Environmental Protection Engineering Co Ltd filed Critical Yancheng Chengda Environmental Protection Engineering Co Ltd
Priority to CN201810597500.6A priority Critical patent/CN109028832A/en
Publication of CN109028832A publication Critical patent/CN109028832A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0404Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
    • F26B11/0477Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
    • F26B11/0486Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements being held stationary, e.g. internal scraper blades
    • 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
    • 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
    • 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
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/16Chambers, containers, receptacles of simple construction mainly closed, e.g. drum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The present invention provides three-cylinder drier, it can solve taper guide connector and the technical issues of relative position can not adjust taken in discharging.Three-cylinder drier, three-cylinder drier includes the inner cylinder that from-inner-to-outer is successively socketed, middle cylinder and outer cylinder, outer cylinder is open at one end to be fixed with feed end cover board, the other end is fixed with discharge end cover board, feed end cover board is connected with charging adapter tube, charging adapter tube connection inner cylinder, discharge end cover board is connected with discharging adapter tube, open at one end adjacent with discharge end cover board of middle cylinder is fixed with taper guide connector, it is characterized by: discharge end cover board outer is fixed with ring set, ring set is sheathed on outer cylinder end, the medial surface of ring set is fixed with guide holder, screw rod is threaded on guide rod guide holder, slidably connect guide rod, support is fixed at guide rod both ends, screw both end rotational support is in support, guide holder and support are ring-type, support is fixed on the lateral surface of outer cylinder, the medial surface of ring set is equipped with the sealing strip cooperated with the lateral surface of support.

Description

Three-cylinder drier
Technical field
The present invention relates to drying equipments, and in particular to three-cylinder drier.
Background technique
Existing three-cylinder drier, the inner cylinder set gradually including from-inner-to-outer, middle cylinder and outer cylinder, inner cylinder are equipped with charging Mouthful, outer cylinder is equipped with discharge port, and middle cylinder end is equipped with and the taper guide connector of discharge port cooperation.Spiral shell of the material from inner cylinder feed inlet It revolves guide plate to enter, and under the gyroscopic action of cylinder, is constantly lifted and travelled longitudinally by the lifting blade of inner cylinder, realize fair current Drying, material in cylinder, vertically move in the other end of inner cylinder is fallen by the effect being self-possessed under the lifting blade effect of middle cylinder To the other end of middle cylinder, realize that adverse current is dried, material is fallen into outer cylinder in the other end of middle cylinder by the effect being self-possessed, in outer cylinder Lifting blade effect under longitudinally move to the other end of outer cylinder, and under the action of taper guide connector and its stock guide, export To discharge port.Existing taper guide connector with discharging adapter tube be it is relatively-stationary, relative position can not adjust, can not be effective It is exported for the material of variable grain size, is easy to appear blocking phenomenon.
Summary of the invention
In view of the above-mentioned problems, can solve taper guide connector and discharging adapter tube phase the present invention provides three-cylinder drier The technical issues of position can not be adjusted.
Its technical solution is such, three-cylinder drier, the three-cylinder drier include from-inner-to-outer be successively socketed it is interior Cylinder, middle cylinder and outer cylinder, the outer cylinder is open at one end to be fixed with feed end cover board, the other end is fixed with discharge end cover board, it is described into Material end casing is connected with charging adapter tube, and the charging adapter tube is connected to the inner cylinder, and the discharge end cover board is connected with discharging adapter tube, Open at one end adjacent with the discharge end cover board of the middle cylinder is fixed with taper guide connector, it is characterised in that:
Discharge end cover board outer is fixed with ring set, and the ring set is sheathed on the outer cylinder end, the medial surface of the ring set It is fixed with guide holder, screw rod is threaded on guide holder described in guide rod, slidably connects guide rod, the guide rod both ends are fixed on Support, the screw both end rotational support is in the support, and the guide holder and the support are ring-type, and the support is fixed In the lateral surface of the outer cylinder, the medial surface of the ring set is equipped with the sealing strip cooperated with the lateral surface of the support;
The taper guide connector include the first conical shell, the second conical shell being set to outside the first conical shell and The angle adjusting mechanism being set between the first conical shell and the second conical shell, first conical shell and the second taper Cylinder includes 12 or more connecting plates, and interval is arranged between each connecting plate and interval passes through elastic rubber and is tightly connected To form conical shell structure, first conical shell and the open at one end of the second conical shell pass through elastic rubber slab It is tightly connected, the circular opening that the other end is formed passes through elastic rubber interconnecting piece and the sealed connection open at one end of middle cylinder, the bullet Property rubber interconnecting piece connects the open at one end of the middle pipe, each connecting plate one of first conical shell and the second conical shell One is corresponding, and the angle adjusting mechanism includes bracket, coil spring and driving mechanism, first conical shell and the second conically shaped The one-to-one connecting plate of body passes through a bracket respectively and is connected and fixed, and the bracket is equipped with spring wears groove, the coil spring one One of bracket is fixed at end, the other end connects the driving mechanism after sequentially passing through the spring wears groove of remaining bracket, described Driving mechanism is by driving the coil spring winding or expanding so that first conical shell, the opening of the second conical shell are same Step reduces or expands.
Further, the medial surface of the ring set is equipped with first groove, and the lateral surface of the ring set is equipped with around described the The second groove of one groove setting, the briquetting of arc shape is slidably connected in the first groove, and the briquetting is equipped with 3 or more And be distributed along the circumferencial direction of the first groove, a briquetting side end face opposite with the support is equipped with sealing strip, Each briquetting is correspondingly provided with 2-3 hold-down mechanism, and the hold-down mechanism includes bolt, pressing sleeve and pressure spring, the bolt and first Wall body between groove, second groove is threadedly coupled and protrudes into the first groove, and the pressing sleeve is sheathed on the bolt and stretches Enter on the position in the first groove, the compression spring sleeve is set on the pressing sleeve and both ends bear against the briquetting, institute State the flange of pressing sleeve end.
Further, the driving mechanism includes motor, take-up pulley and wirerope, and the motor is fixed on connecting plate, The output axis connection take-up pulley of the motor, the take-up pulley connect the wirerope, and the wirerope connects the coil spring The other end.
Further, the bracket includes the rack body of H-shaped, is connected with above the lateral position of the rack body Roller, to form the spring wears groove, the roller is equipped with cricoid flange, the cricoid flange and the coil spring width The cooperation of direction outer position.
Further, the roller includes a pair of spaced roller, is equipped with tensioning wheel among a pair of of roller, and described Bearing up pulley is independently rotated relative to the roller, meets the another of the coil spring with described after tensioning wheel described in the steel wire penetrating End.
Further, the coil spring is formed by bending by steel spring plate.
Three-cylinder drier of the invention keeps guide holder mobile to adjust ring set connected to it, discharging by rotary screw The relative position of end casing, and then the distance between discharging adapter tube and taper guide connector can be conveniently adjusted;Sealing strip Setting, it can be ensured that sealing effect prevents material to be dried from running out of;Each connecting plate of first conical shell, the second conical shell Between interval setting and interval be tightly connected by elastic rubber to form conical shell structure, the first conical shell and the The circular opening open at one end formed by elastic rubber slab sealed connection, the other end of two conical shells passes through elastic rubber and connects Socket part and the sealed connection open at one end of middle cylinder, enable conical shell structure under the effect of external force elastic dilatation to adjust angle Degree;The coil spring of angle adjusting mechanism makes the first conical shell and the opening expansion of the second conical shell by own resilient, with Adjust the frustoconical bevel angle of the first conical shell and the second conical shell;Pass through distance between discharging adapter tube and taper guide connector The adjusting of the frustoconical bevel angle of adjusting and taper guide connector angle, and then the object of variable grain size is adapted in a certain range Material is exported, and blocking phenomenon is prevented.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is partially enlarged structural schematic diagram at A in Fig. 1.
Fig. 3 is the structural schematic diagram of support and ring set sealing cooperation of the invention.
Fig. 4 is the structural schematic diagram of taper guide connector of the invention.
Fig. 5 is partially enlarged structural schematic diagram at B in Fig. 4.
Fig. 6 is the schematic diagram of conical shell structure of the invention.
Fig. 7 is the structural schematic diagram of angle adjusting mechanism of the invention, and wherein bracket is not shown.
Specific embodiment
As shown in Fig. 1 ~ Fig. 7, three-cylinder drier, three-cylinder drier includes inner cylinder 1, the middle cylinder 2 that from-inner-to-outer is successively socketed With outer cylinder 3, outer cylinder 3 is open at one end to be fixed with feed end cover board 8, the other end is fixed with discharge end and changes 6, and feed end cover board 8 connects It is connected to charging adapter tube 9, charging adapter tube 9 is connected to inner cylinder 1, and discharge end changes 6 and is connected with discharging adapter tube 7, and middle cylinder 2 changes with discharge end 6 it is adjacent it is open at one end be fixed with taper guide connector 4, the inside and outside side of taper guide connector is equipped with to be extended along generatrix direction Stock guide 5;
Discharge end changes 6 outers and is fixed with ring set 10, and ring set 10 is sheathed on 3 end of outer cylinder, and the medial surface of ring set 10, which is fixed with, leads To seat 13, it is threaded with screw rod 12 on guide rod guide holder 13, slidably connects guide rod, support 11, silk are fixed in guide rod both ends 12 both ends rotational support of bar is in support 11, and guide holder 13 and support 11 are ring-type, and support 11 is fixed on the lateral surface of outer cylinder 3, The medial surface of ring set 10 is equipped with the sealing strip 15 cooperated with the lateral surface of support 11;
Taper guide connector 4 include the first conical shell 22, be set to outside the first conical shell 22 the second conical shell 23, with And it is set to the angle adjusting mechanism between the first conical shell 22 and the second conical shell 23, the first conical shell 22 and second Conical shell 23 includes 12 or more connecting plates 32, and interval setting and interval pass through elastic rubber between each connecting plate 32 Glue 33 is tightly connected to form conical shell structure, and the first conical shell 22 and the second the open at one end of conical shell 23 pass through bullet Property rubber slab 24 is tightly connected, the other end is formed circular opening pass through elastic rubber interconnecting piece 25 sealings open at one end companies It connects, open at one end, each connecting plate of the first conical shell 22 and the second conical shell 23 of pipe in the connection of elastic rubber interconnecting piece 32 correspond, and angle adjusting mechanism includes bracket 26, coil spring 27 and driving mechanism, the first conical shell 22 and the second taper The one-to-one connecting plate 32 of cylinder 23 is connected and fixed by a bracket 26 respectively, and bracket 26 is equipped with spring wears groove 29, rolls up bullet Spring 27 is formed by bending by steel spring plate, and coil spring, which is in, shrinks compressive state in other words, has the trend for flexing outward, expanding, One of bracket 26 is fixed in one end 34 of coil spring, the other end 35 connects after sequentially passing through the spring wears groove 29 of remaining bracket 26 Driving mechanism is connect, driving mechanism is by the winding of driving coil spring 27 or expands so that the first conical shell 22, the second conical shell 23 opening is synchronous to be reduced or expands.
The medial surface of ring set 10 is equipped with first groove 20, and the lateral surface of ring set 10 is equipped with the be arranged around first groove 20 Two grooves 21, the briquetting 14 of arc shape is slidably connected in first groove 20, and briquetting 14 is equipped with 3 or more and along first groove 20 Circumferencial direction distribution, the side end face opposite with support 11 of briquetting 14 be equipped with sealing strip 15, and each briquetting 14 is correspondingly provided with 2-3 hold-down mechanism, hold-down mechanism include bolt 18, pressing sleeve 16 and pressure spring 17, bolt 18 and first groove 20, second groove 21 Between wall body 19 be threadedly coupled and protrude into first groove 20, pressing sleeve 16 is sheathed on the portion that bolt 18 protrudes into first groove 20 On position, pressure spring 17 bears against the flange of briquetting 14,16 end of pressing sleeve on pressing sleeve 16 and both ends.Pass through briquetting, the first ditch The setting of slot, second groove and hold-down mechanism, so that sealing strip can compensate automatically under the action of hold-down mechanism upon wear, And then ensure preferable sealing effect.
Driving mechanism includes motor, take-up pulley 36 and wirerope 37, and motor is fixed on connecting plate 32, the output shaft of motor Take-up pulley 36,36 connecting steel wire ropes 37 of take-up pulley are connected, wirerope 37 connects the other end 35 of coil spring, passes through the receipts of wirerope It puts and realizes the winding of coil spring 10 and expansion.
Bracket 26 includes 26 main body of bracket of H-shaped, and the top at the lateral position 28 of 26 main body of bracket is connected with roller 30, with Spring wears groove 29 is formed, roller 30 is equipped with cricoid flange, and cricoid flange and 27 width direction outer position of coil spring cooperate, The setting of roller can reduce the abrasion of coil spring, the setting of flange, convenient for being oriented to and being limited to coil spring;Roller 30 Including a pair of spaced roller 30, tensioning wheel 31 is equipped among a pair of of roller 30, tensioning wheel 31 is independent relative to roller 30 Rotation, after steel wire penetrating tensioning wheel 31 with the other end that connects coil spring 27.

Claims (6)

1. three-cylinder drier, the three-cylinder drier includes inner cylinder, middle cylinder and the outer cylinder that from-inner-to-outer is successively socketed, the outer cylinder It is open at one end be fixed with feed end cover board, the other end is fixed with discharge end cover board, the feed end cover board be connected with charging adapter tube, The charging adapter tube is connected to the inner cylinder, and the discharge end cover board is connected with discharging adapter tube, the middle cylinder and the crusher discharge end cover Adjacent open at one end of plate is fixed with taper guide connector, it is characterised in that:
Discharge end cover board outer is fixed with ring set, and the ring set is sheathed on the outer cylinder end, the medial surface of the ring set It is fixed with guide holder, screw rod is threaded on guide holder described in guide rod, slidably connects guide rod, the guide rod both ends are fixed on Support, the screw both end rotational support is in the support, and the guide holder and the support are ring-type, and the support is fixed In the lateral surface of the outer cylinder, the medial surface of the ring set is equipped with the sealing strip cooperated with the lateral surface of the support;
The taper guide connector include the first conical shell, the second conical shell being set to outside the first conical shell and The angle adjusting mechanism being set between the first conical shell and the second conical shell, first conical shell and the second taper Cylinder includes 12 or more connecting plates, and interval is arranged between each connecting plate and interval passes through elastic rubber and is tightly connected To form conical shell structure, first conical shell and the open at one end of the second conical shell pass through elastic rubber slab It is tightly connected, the circular opening that the other end is formed passes through elastic rubber interconnecting piece and the sealed connection open at one end of middle cylinder, the bullet Property rubber interconnecting piece connects the open at one end of the middle pipe, each connecting plate one of first conical shell and the second conical shell One is corresponding, and the angle adjusting mechanism includes bracket, coil spring and driving mechanism, first conical shell and the second conically shaped The one-to-one connecting plate of body passes through a bracket respectively and is connected and fixed, and the bracket is equipped with spring wears groove, the coil spring one One of bracket is fixed at end, the other end connects the driving mechanism after sequentially passing through the spring wears groove of remaining bracket, described Driving mechanism is by driving the coil spring winding or expanding so that first conical shell, the opening of the second conical shell are same Step reduces or expands.
2. three-cylinder drier according to claim 1, it is characterised in that: the medial surface of the ring set is equipped with first groove, The lateral surface of the ring set is equipped with the second groove around first groove setting, slidably connects arc in the first groove The briquetting of shape, the briquetting are equipped with 3 or more and are distributed along the circumferencial direction of the first groove, the briquetting and the branch The opposite side end face of seat is equipped with sealing strip, and each briquetting is correspondingly provided with 2-3 hold-down mechanism, and the hold-down mechanism includes spiral shell Bolt, pressing sleeve and pressure spring, the bolt are threadedly coupled with the wall body between first groove, second groove and protrude into the first groove Interior, the pressing sleeve is sheathed on the bolt and protrudes on the position in the first groove, and the compression spring sleeve is set on the pressing sleeve And both ends bear against the flange of the briquetting, the pressing sleeve end.
3. three-cylinder drier according to claim 1, it is characterised in that: the driving mechanism include motor, take-up pulley and Wirerope, the motor are fixed on connecting plate, the output axis connection take-up pulley of the motor, and the take-up pulley connects the steel Cord, the wirerope connect the other end of the coil spring.
4. three-cylinder drier according to claim 3, it is characterised in that: the bracket includes the rack body of H-shaped, described It is connected with roller above the lateral position of rack body, to form the spring wears groove, the roller is equipped with cricoid flange, The cricoid flange and coil spring width direction outer position cooperate.
5. three-cylinder drier according to claim 4, it is characterised in that: the roller includes a pair of spaced roller Son, a pair of of roller centre are equipped with tensioning wheel, and the tensioning wheel is independently rotated relative to the roller, described in the steel wire penetrating After tensioning wheel with the other end for connecing the coil spring.
6. three-cylinder drier according to claim 1, it is characterised in that: the coil spring is formed by bending by steel spring plate.
CN201810597500.6A 2018-06-12 2018-06-12 Three-cylinder drier Pending CN109028832A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810597500.6A CN109028832A (en) 2018-06-12 2018-06-12 Three-cylinder drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810597500.6A CN109028832A (en) 2018-06-12 2018-06-12 Three-cylinder drier

Publications (1)

Publication Number Publication Date
CN109028832A true CN109028832A (en) 2018-12-18

Family

ID=64612730

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810597500.6A Pending CN109028832A (en) 2018-06-12 2018-06-12 Three-cylinder drier

Country Status (1)

Country Link
CN (1) CN109028832A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010075776A (en) * 2008-09-24 2010-04-08 Panasonic Corp Apparatus for drying kitchen garbage
CN105443786A (en) * 2016-02-01 2016-03-30 无锡智能自控工程股份有限公司 Elastic compensation sealing inner part structure of telescopic valve
CN205997312U (en) * 2016-08-11 2017-03-08 江苏领瑞新材料科技有限公司 A kind of plastic granulating extruder feeding device
CN106871602A (en) * 2016-12-30 2017-06-20 东莞市圣荣自动化科技有限公司 A kind of three backhaul whizzers of each rotating cylinder axial direction position-adjustable
CN206485954U (en) * 2017-01-21 2017-09-12 天津市武清区建筑工程总公司 A kind of sandstone conveying device
CN206930132U (en) * 2017-05-27 2018-01-26 张海娟 Conductive drying formula vacuum dryer
CN208952593U (en) * 2018-06-12 2019-06-07 盐城诚达环保工程有限公司 A kind of three-cylinder drier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010075776A (en) * 2008-09-24 2010-04-08 Panasonic Corp Apparatus for drying kitchen garbage
CN105443786A (en) * 2016-02-01 2016-03-30 无锡智能自控工程股份有限公司 Elastic compensation sealing inner part structure of telescopic valve
CN205997312U (en) * 2016-08-11 2017-03-08 江苏领瑞新材料科技有限公司 A kind of plastic granulating extruder feeding device
CN106871602A (en) * 2016-12-30 2017-06-20 东莞市圣荣自动化科技有限公司 A kind of three backhaul whizzers of each rotating cylinder axial direction position-adjustable
CN206485954U (en) * 2017-01-21 2017-09-12 天津市武清区建筑工程总公司 A kind of sandstone conveying device
CN206930132U (en) * 2017-05-27 2018-01-26 张海娟 Conductive drying formula vacuum dryer
CN208952593U (en) * 2018-06-12 2019-06-07 盐城诚达环保工程有限公司 A kind of three-cylinder drier

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Application publication date: 20181218