CN201106983Y

CN201106983Y - Circumfluence type steam drying drum

Info

Publication number: CN201106983Y
Application number: CNU2007200907762U
Authority: CN
Inventors: 于治杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-20
Filing date: 2007-06-20
Publication date: 2008-08-27
Anticipated expiration: 2017-06-20

Abstract

The utility model provides a circumfluent steam drying drum and has the technical proposal that an axial draft-tube is hanged in the drum, an exhaust pipe passes through the front end of the draft-tube and provides supporting, and the exhaust pipe passing through the draft-tube comes out from the rear part thereof; the rear end of the draft-tube is provided with an axial supporting shaft, the inner wall center at the rear end of the drum is provided with an axial supporting sleeve, the supporting shaft passes through an opening at the front end of the supporting sleeve, so as to be movably embedded in the supporting sleeve; wherein, the gravity center of the draft-tube is relatively lower than the center of the drum, and stays still. The steam enters in from the front end of the drum 1, and evenly disperses to the surrounding along the front end surface of the draft-tube 12, and then processes towards the rear end along the clearance between the outer wall of the draft-tube and the inner wall of the drum; when processing to the rear end in the drum, the steam is led to the inlet of the exhaust pipe at the rear part of the draft-tube, so as to be discharged out through the exhaust pipe, thus, the steam consumption is saved due to the use of the draft-tube, and the walking route of the steam after entering into the drum is long, furthermore, the steam dispersion is uniform, and the heat energy utilization is high.

Description

A kind of circulation type steam drying cylinder

Technical field

The utility model relates to the steam drying equipment technical field, relates in particular to the steam drying cylinder.

Background technology

The employed steam drying cylinder of all now industries, generally be that steam directly advances the mode that directly goes out, steam drying cylinder as shown in Figure 1, on the front end face of cylinder 1, be provided with the pore that penetrates for air inlet pipe 2, air inlet pipe 2 is cylindric, and open rearward end stretches in the cylinder, and the front end face pore inwall of air inlet pipe 2 outer walls and cylinder 1 is slidingly matched, during the stressed rotation of cylinder, air inlet pipe is motionless; Have the air inlet 5 that feeds steam on the air inlet tube wall outside the cylinder 1, blast pipe 4 passes from air inlet pipe 2, it is (limited because of there not being bracing force to enter cylinder 1 one segment distances, this segment distance can not be oversize), downward 90 ° of bendings make into the cylinder inner tube wall of gas tube orifice near the below, the principle lighter according to hot gas in the steam, the steam that the bottom is cooled off enters from the air intake 6 of blast pipe 4, thereby discharges outside the cylinder 1; Air inlet pipe 2 is away from providing support with the sealed packing sealing and for blast pipe 4 between end inwall of cylinder 1 and blast pipe 4 outer walls, and air inlet pipe 2 is provided with a spring bearing 3 outward, supports the front end of cylinder; The rear end of cylinder 1 is provided with bracing or strutting arrangement and power set, does not draw among the figure, and when cylinder 1 stressed rotation, air inlet pipe 2, blast pipe 4 are motionless.

By drying drum shown in Figure 1, after steam is sent in the cylinder 1 by air inlet pipe 2, some steam directly runs off from blast pipe 4, and steam diverse location velocity of liquid assets in cylinder 1 differs greatly, easily form the phenomenon of heating dead angle and the idle backflow of steam, it is inhomogeneous to cause the cylinder outer wall heating surface to be heated, and causes on the cylinder outer wall that dry mass of medium inequality, production efficiency are low, the phenomenon of steam serious waste.

The utility model content

The circulation type steam drying cylinder that the purpose of this utility model provides a kind of efficient energy-saving, the cylinder outer wall heating surface is heated evenly.

A kind of circulation type steam drying cylinder comprises the cylinder that is installed on the bracing frame, wherein: be hung with guide shell in the cylinder; Blast pipe penetrates and passes from its rear portion from the guide shell front end; The guide shell rear end is provided with axial back shaft, is rotatably assorted with the axial support sleeve that is provided with on the inwall of cylinder rear end; Wherein, the central shaft of the relative cylinder of center of gravity of guide shell on the lower side.

Described circulation type steam drying cylinder, wherein: described guide shell is axially horizontally disposed cylindric, and at the bottom of the two ends envelope had tin, blast pipe a bit penetrated guide shell outside the central point at the bottom of the front end tube, the other end passes from tube bottom, rear end downwards, and air intake is located at rear end lower in the cylinder cavity; Be filled with the insulation filler in the described guide shell cavity.

Described circulation type steam drying cylinder, wherein: described back shaft is cylindric, is provided with a circle locating slot along outer wall; Described support set barrel is provided with the radial location bolt that cooperates with locating slot.

Described circulation type steam drying cylinder, wherein: described air inlet pipe is arranged with a hollow shaft outward, and hollow shaft is arranged with spring bearing outward; Admittedly overlap a ring flange on the outer wall of described hollow shaft rear end, ring flange and drum front end face sealing and fixing; The inwall of hollow shaft tightens intrinsic sealed packing cylindraceous, and sealed packing inwall and air inlet pipe outer wall are slidingly matched; Described air inlet pipe is provided with Closed End away from an end of cylinder, has the pore that passes for blast pipe on the end face.

Described circulation type steam drying cylinder, wherein: the anterior outer wall of described blast pipe is provided with only swing arm; The front portion of described blast pipe also is provided with drain valve.

A kind of circulation type steam drying cylinder comprises cylinder, and wherein: be hung with guide shell in the cylinder, the central shaft of the relative cylinder of center of gravity of guide shell on the lower side; The guide shell front and back end is equipped with axial stop sleeve, axial hollow shaft, power transmission shaft correspondence respectively penetrate the forward and backward tube of cylinder back-up roller at the end, and be rotatably assorted in the corresponding stop sleeve that embeds on the guide shell front and rear end and support guide shell, the hollow shaft front end connects air inlet pipe, blast pipe passes in air inlet pipe and hollow shaft, penetrates and passes from its rear portion from the guide shell front end.

Described circulation type steam drying cylinder, wherein: the forward and backward tube end of described cylinder, all be set to the sphere end socket of indent; All be arranged with spring bearing and support set on the outer wall of cylinder hollow outer shaft, power transmission shaft, described support set periphery is connected with two at least and supports spoke, and the outer end of supporting spoke is supported on the cylinder.

Described circulation type steam drying cylinder, wherein: described air inlet pipe is connected on the swivel joint, and the swivel joint rear portion is affixed by adpting flange and hollow shaft.

Described circulation type steam drying cylinder, wherein: all be arranged with axial ring-type graphite cannula in the stop sleeve of guide shell front and back ends, the inwall of graphite cannula with correspondingly be embedded hollow shaft within it, the link outer wall of power transmission shaft is rotatably assorted.

Described circulation type steam drying cylinder, wherein: be filled with the insulation filler in the described guide shell; The front end outer wall of described blast pipe is provided with only swing arm, and the front portion of blast pipe also is provided with drain valve.

The utility model will reach following technique effect after adopting technique scheme:

Circulation type steam drying cylinder of the present utility model, different with existing steam drying cylinder is: axially be hung with an airtight guide shell in cylinder, the central axis of the relative cylinder of guide shell center of gravity is eccentric downwards, and guide shell is motionless during the stressed rotation of cylinder; Fill the insulation filler in the guide shell, blast pipe passes in guide shell from front to back, and the air intake of blast pipe is located at the rear end lower in the cylinder cavity; After steam enters in the cylinder chamber from air inlet pipe, along the guide shell front end face evenly to around disperse, advance to far-end along the space between guide shell outer wall and the inner wall of rotary drum again, in walking to cylinder behind the other end, be folded to basifacial blast pipe porch behind the guide shell again, discharge through blast pipe.Therefore, the use of guide shell in the circulation type steam drying cylinder of the present utility model, walking route is long after making steam enter cylinder, heat energy utilization rate height, the real space of steam operation dwindles greatly in the cylinder, saves the steam use amount, and steam is uniformly dispersed, does not have dead angle, no low-temperature steam retention areas, cylinder outer wall and is heated evenly, therefore on the outer wall dry medium also with regard to quality evenly, stable, the output height.

Description of drawings

Fig. 1 is the structure cutaway view of steam drying cylinder in the prior art;

Fig. 2 is the structure cutaway view of a kind of embodiment of circulation type steam drying cylinder;

Fig. 3 is the structural representation of guide shell among Fig. 2;

Fig. 4 is the structural representation of guide shell shown in Figure 3 rear end back shaft;

Fig. 5 is the structural representation of air inlet pipe bracing frame among Fig. 2;

Fig. 6 is the structure cutaway view of the another kind of embodiment of circulation type steam drying cylinder;

Fig. 7 is the Facad structure schematic diagram that spoke is supported at Fig. 6 intermediate roll two;

The structural representation of the swivel joint that Fig. 8 is connected for cylinder shown in Figure 6 front portion.

The specific embodiment

Embodiment 1:

A kind of circulation type steam drying cylinder, as shown in Figure 2, axially be hung with a guide shell 12 cylindraceous in cylinder 1 cavity of cylindric, axis horizontally set, stop sleeve 14 movable interlockings at the bottom of back shaft 13 on the guide shell 12 rear end face outer walls and cylinder 1 back tin on the inwall provide support and are rotatably assorted; Guide shell 12 front ends penetrate by blast pipe 4 and provide support.

Air inlet pipe 2 cylindraceous center at the bottom of the front end tube of cylinder 1 penetrates, air inlet pipe 2 is supported on the bracing frame 9, the structure of support frame as described above 9 as shown in Figure 5, be fixed with a horizontally disposed cylindric air inlet pipe stationary magazine creel 25 on the bracing frame base 24, be equipped with four fixed stations 26 along the inwall circumferencial direction in the stationary magazine creel 25, radial gap in the fixed station 26 between the contact-making surface and air inlet pipe 2 external diameters coupling, and for firm air inlet pipe, the interior contact-making surface of fixed station 26 all is designed to the cancave cambered surface that matches with air inlet pipe 2 external diameter radians.

The outer air inlet pipe outer wall top of cylinder is provided with air inlet 5.The front end of blast pipe 4 passes from air inlet pipe 2, and the rear end is located in the cylinder 1; Air inlet pipe 2 is provided with the end face of sealing away from an end of cylinder 1, has the pore that passes for blast pipe on the end face of sealing, seals between pore inwall and the exhaust tube wall, prevents that steam is excessive; Steam feeds from the air inlet 5 of air inlet pipe 2, sends in the cylinder along the space between air inlet pipe inwall and the exhaust tube wall.In addition, the air inlet pipe 2 outer hollow shafts 10 that also are arranged with a cylindrical section shape, hollow shaft 10 rear end outer walls are fixedly sleeved on the inwall of a circular ring flange 11, and ring flange 11 is fixedlyed connected with the outer wall of cylinder 1 front end face, also are arranged with spring bearing 3 on hollow shaft 10 outer walls; Be provided with sealed packing 8 between ring flange 11 and the drum front end face outer wall, the inwall of hollow shaft 10 tightens intrinsic sealed packing cylindraceous 7, and sealed packing 7 inwalls and air inlet pipe outer wall are slidingly matched; Hollow shaft 10, bearing 3, ring flange 11 are used for air inlet pipe 2 and cylinder 1 fixing, and simultaneously for cylinder 1 provides preceding support, sealed packing 7,8 mainly is excessive from the slit in order to prevent steam.

The outer wall center is installed with an axial installation shaft 17 at the bottom of the tube of cylinder rear end, installation shaft 17 segment design, be disposed with and support spoke construction section, spring bearing construction section and belt pulley construction section, be separately installed with and support spoke 18, spring bearing 19 and belt pulley 20, the other end that supports spoke 18 is fixed on the excircle at the bottom of the tube of cylinder rear end; Belt pulley 20 connects power set, for cylinder provides rotary power.

Axially be hung with a guide shell 12 cylindraceous in the cylinder 1, a sealing at the bottom of guide shell 12 two ends are respectively equipped with tin, be filled with the insulation filler in the guide shell 12, blast pipe 4 a bit penetrates (the off-centre setting here outside the center of circle at the bottom of the guide shell placket, make guide shell be subjected to being difficult for rotating behind the rotation torque that back shaft transmits), simultaneously for the front end of guide shell 12 provides support, blast pipe passes the junction of the tube end and bottom barrel behind the guide shell, and air intake 6 is located at inferior horn place, cylinder rear end; Axial symmetric position with blast pipe point of entrance at the bottom of the placket at the bottom of guide shell 12 back tin is provided with axial cylindric back shaft 13, back shaft 13 is provided with a circle longitudinal cross-section along its outer wall one circumference and is circular-arc locating slot 15, the structural representation of back shaft as shown in Figure 4; Simultaneously, have radially a bolt hole on the wall of cylinder upper support sleeve 14, a nail point penetrates described bolt hole for the bolt 16 of ballhead, inserts and locatees guide shells 12 in the locating slot 15, prevents that it from endwisely slipping.

Steam enters in the chamber from the front end of cylinder 1, along guide shell 12 front end faces evenly to around disperse, advance to the back-end along the space between guide shell outer wall and the inner wall of rotary drum again, in walking to cylinder behind the rear end, be folded to basifacial blast pipe porch behind the guide shell again, discharge through blast pipe, as seen because the use of guide shell, walking route is long after making steam enter cylinder, and steam is uniformly dispersed, no dead angle, no low-temperature steam retention areas, cylinder outer wall is heated evenly, heat energy utilization rate height, therefore on the outer wall dry medium also even with regard to quality, stable, the output height; The real space of steam operation dwindles greatly in the cylinder, has saved the use amount of steam greatly.

In addition, described blast pipe 4 connects lengthening in air inlet pipe 2 external application articulations 21, and the outer wall of lengthening section blast pipe is provided with only swing arm 22, prevents to reclaim the rotation torque that the back shaft 13 that wraps the rear end is subjected to that cylinder support sleeve 14 transmits and rotate when cylinder rotate.The front portion of described blast pipe also is provided with drain valve 23.

Embodiment 2:

A kind of circulation type steam drying cylinder, structure cutaway view as shown in Figure 6, the cylinder 31 that is installed on the bracing frame is the cylindric of axial horizontally set, the tube end of rear and front end, be respectively the sphere end socket 33 of indent, 33 ', be hung with axial cylindric guide shell 32 in the cylinder 31, before the guide shell 32, a position (off-centre) is respectively equipped with axial stop sleeve 35 outside the center of circle of rear end face, 35 ', in one axial hollow shaft 37 penetrates at the bottom of the drum front end tube, and in the stop sleeve 35 on the embedding guide shell front end face, also be sheathed with a graphite cannula 36 between the inwall of the outer wall of hollow shaft 37 and stop sleeve 35, hollow shaft 37 rotates on the inwall of graphite cannula 36, and graphite cannula 36 also plays lubricated when supporting hollow shaft, the effect that reduces friction; At the cylinder rear portion, in a power transmission shaft 44 penetrates at the bottom of the tube of cylinder rear end, and in the stop sleeve 35 ' on the embedding guide shell rear end face, be sheathed with a graphite cannula 36 ' between the outer wall of power transmission shaft 44 and the inwall of stop sleeve 35 '.

Be arranged with the annular flange dish 47,47 ' that an inner side end is the arc that cooperates with sphere end socket radian respectively on hollow shaft 37 outside the end socket of cylinder two, power transmission shaft 44 outer walls, ring flange 47,47 ' is provided with a plurality of axial bolts hole, correspondence is provided with bolt hole on the sphere end socket at cylinder two, fix by bolt-through, can avoid the insufficient strength of sphere end socket to produce distortion by ring flange 47,47 ' back-up roller.In addition, be arranged with a support set 45,45 ' on the outer wall of cylinder hollow outer shaft 37, power transmission shaft 44 respectively, each support set periphery all is provided with the six roots of sensation support spoke 34 of back-up roller end face outer and the six roots of sensation of back-up roller sphere end socket outer wall supports spoke 46, also be used for back-up roller, support spoke structural representation as shown in Figure 7.

The outside of hollow shaft 37, power transmission shaft 44 outer wall upper supports cover is arranged with the bearing 38,38 ' that supports hollow shaft, power transmission shaft respectively.The rear portion of power transmission shaft 44 also is equipped with belt pulley 43, is used to connect power set, drives cylinder 31 and rotates.

The front end of hollow shaft and an adpting flange 39 are fixing, and adpting flange 39 is annular, and periphery is provided with fixed bolt hole, is installed with axial stop sleeve on the rear side end face, and the front end of hollow shaft is fixed on the stop sleeve outer wall; Adpting flange 39 is affixed by the swivel joint 40 in bolt hole and the place ahead.

Fig. 8 is the structural representation of swivel joint 40, and it comprises three parts, and the front portion is provided with the front head 51 of L shaped through hole in being, the upper opening of L shaped through hole is communicated with air inlet pipe; The front end of front head 51 also has an exhaust duct aperture 52, with the bottom axial hole perforation of L shaped through hole, passes through for blast pipe, sets firmly adpting flange on the rear end outer wall of front head, is used for being connected and fixed with the housing 53 at its rear.Swivel joint 40 middle parts are housings 53, set firmly adpting flange on the front end outer wall circumference of housing, and are affixed by cooperating with the adpting flange of the rear end of front head 51; Cavity design anterior in the housing 53 becomes axial circular cylindrical cavity, and the middle part is designed to the vertex of a cone axial cone-shaped cavity backwards, and cone-shaped cavity front end bottom surface diameter is less than the circular cylindrical cavity of front portion; Housing rear portion cavity is designed to the circular cylindrical cavity of diameter less than the cone-shaped cavity point diameter; The cavity of preceding posterior segment connects in the housing, and with the anterior front head 51 of swivel joint in the axial hole of L shaped through hole connect; One spring 56 that axially is provided with is installed in the anterior cavity of housing, one conical surface seal head 54 is equipped with in the cone-shaped cavity in housing 53, the tube connector of conical surface seal head 54 rear ends passes the circular cylindrical cavity at housing rear portion, on the rear end outer wall of tube connector adpting flange 57 is set, be used for being connected and fixed with the adpting flange 39 of fixation hollow axle, in the conical surface seal head 54 and be provided with the through hole of axial perforation in the through tube at rear portion, be used for air inlet and blast pipe is installed; Spring 56 is used for compressing backward conical surface seal head 54, in addition, also is provided with the graphite cannula 55 of a ring-type between spring 56 and the conical surface seal head 54, is used for when 54 rotations of conical surface seal head the friction between minimizing and housing 53, the spring 56.

Blast pipe 41 passes in rotation end socket 4 and hollow shaft 37, penetrates and passes from its rear portion from guide shell 32 front ends, and the return-air mouth is arranged on lower end, rear portion in the cylinder 31; Be filled with the insulation filler in the guide shell 32; The front end outer wall of described blast pipe 40 is provided with only swing arm, and the front portion of blast pipe also is provided with drain valve.

Steam enters by the air inlet on the swivel joint, the gas outlet that is arranged on the rear portion outer wall in the cylinder through hollow shaft 37 comes in the cylinder 31, follow along guide shell 32 front end faces evenly to disperseing all around, advance to the back-end along the space between guide shell outer wall and the inner wall of rotary drum again, in walking to cylinder behind the rear end, be folded to basifacial blast pipe return-air mouth place behind the guide shell again, discharge through blast pipe, the tube end at present embodiment intermediate roll two ends, be made as the sphere of indent, when strengthening bearing the ability of steam pressure, further saved steam consumption, improved production efficiency.

Claims

1. a circulation type steam drying cylinder comprises the cylinder that is installed on the bracing frame, it is characterized in that: be hung with guide shell in the cylinder; Blast pipe penetrates and passes from its rear portion from the guide shell front end; The guide shell rear end is provided with axial back shaft, is rotatably assorted with the axial support sleeve that is provided with on the inwall of cylinder rear end; Wherein, the central shaft of the relative cylinder of center of gravity of guide shell on the lower side.

2. circulation type steam drying cylinder as claimed in claim 1, it is characterized in that: described guide shell is for axially horizontally disposed cylindric, at the bottom of two ends envelopes has tin, blast pipe a bit penetrates guide shell outside the central point at the bottom of the front end tube, the other end passes from tube bottom, rear end downwards, and air intake is located at rear end lower in the cylinder cavity; Be filled with the insulation filler in the described guide shell cavity.

3. circulation type steam drying cylinder as claimed in claim 1 or 2 is characterized in that: described back shaft is cylindric, is provided with a circle locating slot along outer wall; Described support set barrel is provided with the radial location bolt that cooperates with locating slot.

4. circulation type steam drying cylinder as claimed in claim 3, it is characterized in that: described air inlet pipe is arranged with a hollow shaft outward, and hollow shaft is arranged with spring bearing outward; Admittedly overlap a ring flange on the outer wall of described hollow shaft rear end, ring flange and drum front end face sealing and fixing; The inwall of hollow shaft tightens intrinsic sealed packing cylindraceous, and sealed packing inwall and air inlet pipe outer wall are slidingly matched; Described air inlet pipe is provided with Closed End away from an end of cylinder, has the pore that passes for blast pipe on the end face.

5. circulation type steam drying cylinder as claimed in claim 4 is characterized in that: the anterior outer wall of described blast pipe is provided with only swing arm; The front portion of described blast pipe also is provided with drain valve.

6. a circulation type steam drying cylinder comprises cylinder, it is characterized in that: be hung with guide shell in the cylinder, the central shaft of the relative cylinder of center of gravity of guide shell on the lower side; The guide shell front and back end is equipped with axial stop sleeve, axial hollow shaft, power transmission shaft correspondence respectively penetrate the forward and backward tube of cylinder back-up roller at the end, and be rotatably assorted in the corresponding stop sleeve that embeds on the guide shell front and rear end and support guide shell, the hollow shaft front end connects air inlet pipe, blast pipe passes in air inlet pipe and hollow shaft, penetrates and passes from its rear portion from the guide shell front end.

7. circulation type steam drying cylinder as claimed in claim 6 is characterized in that: the forward and backward tube end of described cylinder, all be set to the sphere end socket of indent; All be arranged with spring bearing and support set on the outer wall of cylinder hollow outer shaft, power transmission shaft, described support set periphery is connected with two at least and supports spoke, and the outer end of supporting spoke is supported on the cylinder.

8. as claim 6 or 7 described circulation type steam drying cylinders, it is characterized in that: described air inlet pipe is connected on the swivel joint, and the swivel joint rear portion is affixed by adpting flange and hollow shaft.

9. circulation type steam drying cylinder as claimed in claim 8, it is characterized in that: all be arranged with axial ring-type graphite cannula in the stop sleeve of guide shell front and back ends, the inwall of graphite cannula with correspondingly be embedded hollow shaft within it, the link outer wall of power transmission shaft is rotatably assorted.

10. circulation type steam drying cylinder as claimed in claim 9 is characterized in that: be filled with the insulation filler in the described guide shell; The front end outer wall of described blast pipe is provided with only swing arm, and the front portion of blast pipe also is provided with drain valve.