CN212860817U - Dryer heating device and vertical blade type dryer - Google Patents

Dryer heating device and vertical blade type dryer Download PDF

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Publication number
CN212860817U
CN212860817U CN202021276162.5U CN202021276162U CN212860817U CN 212860817 U CN212860817 U CN 212860817U CN 202021276162 U CN202021276162 U CN 202021276162U CN 212860817 U CN212860817 U CN 212860817U
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paper
drying
dryer
chain
stained
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彭明安
彭念知
李志勇
王成
彭鹊林
金建君
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Changsha Yinfan Machinery Equipment Manufacturing Co ltd
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Changsha Yinfan Machinery Equipment Manufacturing Co ltd
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Abstract

The utility model discloses a desiccator heating device and perpendicular page formula desiccator. A drying channel is formed in a hearth of a drying box of the dryer heating device; the two side walls and the bottom plate of the drying box are respectively provided with a sheet heating element arranged towards the drying channel, and the sheet heating elements on the two side walls and the bottom plate form a U shape when viewed from the section perpendicular to the length direction of the drying channel. The utility model discloses heating device is through designing the U-shaped heating methods, is showing and is improving the thermal efficiency, and then has reduced power consumption.

Description

Dryer heating device and vertical blade type dryer
Technical Field
The utility model relates to a desiccator heating device and perpendicular page formula desiccator belongs to the drying equipment field, mainly is applicable to the drying of stained paper.
Background
The stained paper is a craft paper with patterns printed on the surface of base paper, and is divided into ceramic stained paper (polyvinyl butyral film paper), underglaze stained paper, water transfer stained paper and the like in a large market according to the paper properties. Stained paper is in moist state when screen printing, needs carry out drying process, and current stained paper drying device's simple structure, drying efficiency is lower, hardly satisfies the production demand.
On the basis of summarizing the similar screen printing drying machines at home and abroad, the applicant further perfects the screen printing oil drying equipment which is specially used for matching films with the screen printing main machine produced by manufacturing companies such as Japan cherry well, Shanghai Sanyin and the like. The screen printing dryer is mainly suitable for printing industries such as porcelain, glass applique, films, pictures, lottery tickets, packaging and the like.
Common screen printing desiccator in the market at present is page turning type desiccator, the stained paper of screen printing machine printing is sent into page turning type desiccator through the gap bridge belt, get into flow on next step after drying in the drying cabinet, in order to avoid the floral surface and the paper holder contact of stained paper in the drying cabinet, the floral surface can keep inclining ascending gesture, but the stained paper need carry out about 180 degrees upsets at the tail of desiccator, this will lead to stained paper floral surface can experience the floral surface up to the downward upset process of floral surface, in order to prevent the relative paper frame landing of stained paper simultaneously, must install the paper holder on the horizontal pole of paper frame. For some stained paper with the flower surface being dried not reaching the standard, the flower surface is directly contacted with a paper frame due to overturning, so that waste products are generated, the cost of a single piece of stained paper is different from several yuan to tens of yuan, and from the current statistical data, the waste products are continuously produced for half a year, and even a new dryer can be bought.
The delivery unit of the present page turning type dryer faces the direction of the screen printing machine, namely is positioned below the gap bridge device, and the occupied area is large.
In addition, the heating mode in the drying cabinet of the page turning type drying machine popular in the market is top heating, the heating element adopts a traditional stainless steel tilted heating body, the space in the drying cabinet is occupied greatly, meanwhile, the heating efficiency is not high due to the fact that heat flows upwards, the power consumption of a single page turning type drying machine reaches 37.5KW, and the requirement of energy conservation and environmental protection is not met.
The current paper clip is because need the upset of centre gripping stained paper, consequently need adorn a spring clamp scraps of paper in the horizontal pole position of the paper clip of upset, and the stained paper of screen printing machine printing needs the manual work to press from both sides stained paper centre gripping on the paper, and the stained paper that finishes of drying also needs the manual work to take off, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a desiccator heating device and erect page or leaf formula desiccator, this heating device can show the increasing the heat efficiency through designing the U-shaped heating methods, and then reduces power consumption power.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
a heating device of a drying machine is disclosed, wherein the drying machine comprises a drying box which is longitudinally arranged integrally and is provided with two open ends, and a hearth of the drying box forms a drying channel; the structure is characterized in that:
the two side walls and the bottom plate of the drying box are respectively provided with a sheet heating element arranged towards the drying channel, and the sheet heating elements on the two side walls and the bottom plate form a U shape when viewed from the section perpendicular to the length direction of the drying channel.
It should be noted that the U-shape of the present invention does not mean that the sheet-like heating elements of the side walls are necessarily connected to the sheet-like heating elements of the bottom plate, but rather, the U-shape is generally seen, in other words, a gap is necessarily provided between the sheet-like heating elements of the side walls and the sheet-like heating elements of the bottom plate, as required.
Because the utility model discloses a heating element encloses into the U-shaped, and the heat is upwards walked moreover, consequently the utility model discloses a desiccator's thermal efficiency is higher, has greatly reduced start power, has reduced the power consumption requirement, has practiced thrift the energy.
In order to further improve the heating efficiency and reduce the power consumption, the heating element is a graphene carbon heating film or plate.
In one preferred embodiment, the top of the drying box is provided with an exhaust outlet communicated with the drying channel, and an exhaust fan is arranged at the outlet of the exhaust outlet.
In one preferred embodiment, at least one side wall of the drying box is provided with a door, and the door is communicated with the drying channel.
Based on the same invention concept, the utility model also provides a vertical page type dryer, which comprises a drying box with openings at two ends, a drying channel formed by the hearth of the drying box, a chain row system capable of circularly moving and a plurality of paper supporting frames fixedly arranged on the chain row system;
one end of the drying box is a machine head end, the other end of the drying box is a machine tail end, a paper supporting frame at the machine head end is turned upwards along with the chain arrangement system, and a paper supporting frame at the machine tail end is turned downwards along with the chain arrangement system; the method is characterized in that: the heating device is arranged in the drying box.
In order to abandon the drying mode that the flower face of the stained paper of the traditional page turning type dryer faces downwards when the stained paper is turned to the lower part of the chain system for a long time, the page turning type dryer is creatively designed, wherein the flower face of the stained paper can be always kept upwards, so that the paper supporting frame is prevented from being stained with the pigment which is not dried completely on the stained paper, and the rejection rate can be greatly reduced. The end of the paper support frame of the vertical page type dryer, which is fixed on the chain system, is a fixed end, the other end of the paper support frame is a free end, and the paper support frame is a non-paper clip type paper support frame; the fixed ends of the paper supporting frames are arranged on chain links of the chain row system, and a stained paper accommodating gap is formed between every two adjacent paper supporting frames;
when the paper supporting frame runs above the chain arrangement system, the free end of the paper supporting frame inclines towards the head end of the dryer, when the paper supporting frame runs below the chain arrangement system, the free end of the paper supporting frame inclines towards the tail end of the dryer, when two adjacent paper supporting frames overturn at the tail end, stained paper on the paper supporting frame on the upstream side slides onto the second paper supporting frame on the downstream side without overturning, and the flower surface of the stained paper is kept upward all the time in the drying process.
The tail end of the dryer is provided with a support, the support is provided with a plurality of paper blocking strips, and when the stained paper on the paper supporting frame on the upstream side slides onto the second paper supporting frame on the downstream side without turning over, the paper blocking strips prevent the stained paper from sliding off from the second paper supporting frame on the downstream side. In general, the direction of the paper supporting hook of the paper supporting frame is opposite to the running direction of the chain wheel, which is not different from the prior paper supporting frame. Preferably, the paper blocking strip is tangent to an arc line drawn by the paper bracket when the tail end of the machine is turned.
Preferably, the paper supporting frame comprises a cross rod, two ends of the cross rod are fixed on corresponding chain links of the chain row system through fasteners, a plurality of paper supporting rods are arranged on the cross rod, and the outer end parts of the paper supporting rods are bent to form paper supporting hooks.
Non-paper clip formula support paper frame mean to be equipped with the paper clip on the used paper clip of page turning dryer on holding in the palm the paper frame, in other words, the utility model discloses a stained paper is not fixed on holding in the palm the paper frame, can hold in the palm the paper frame relatively when holding in the palm the paper frame upset and the landing is held in the palm to another on holding in the palm the paper frame, promptly in chain system top, the stained paper holds in the palm puts on first support paper frame, holds in the palm in chain system below stained paper and puts on second support paper frame, wherein second support the paper frame and be located the downstream side of first support paper frame.
The paper supporting frame is characterized in that fixed blocks are fixed at two ends of the cross rod, a fixed hole used for fixing the paper supporting frame on a corresponding chain link of the chain system through a fastener is formed in each fixed block, and an included angle formed between the central axis of each fixed hole and the length direction of the paper supporting rod is an acute angle. The lower surface of the fixing block is used as a positioning surface, so that the paper supporting frame can be installed quickly, and meanwhile, the inclined state is kept.
In one preferred embodiment, a paper supporting strip is arranged in the drying channel along the longitudinal direction, penetrates through the cross bars of the paper supporting frames and is used for supporting the lower end face of the stained paper in the stained paper accommodating gap.
The utility model discloses a perpendicular page formula desiccator's nuclear core point lies in the operational mode of during operation stained paper in tail department, the stained paper is held in the palm when the tail by a certain support paper frame, because the inclination that holds in the palm the paper frame in the upset in-process can be bigger and bigger, thereby can keep original gesture landing from this support paper frame to the steady transition of preceding support paper frame on realizing not turning over page formula at tail end head flower paper, and the face of a flower slope that keeps the stained paper all the time up, and guarantee the face of a flower and all not contact with support paper frame in which stage, thereby avoid holding in the palm the paper frame and be infected with the pigment that does not dry thoroughly on the stained paper, the rejection rate has greatly been reduced.
The utility model discloses the flower surface of stained paper all flow in drying process do not have and hold in the palm the contact of paper frame to the rejection rate has been reduced.
In one preferred embodiment, a delivery is provided below the nose end, the delivery having a delivery belt with an upper surface inclined toward the tail end. Because the direction of collection is opposite with the direction of collection of page turning dryer, so can set up the collection device in the below of aircraft nose end, like this, only need lift the folding of bridge device, can form a pedestrian's passageway between the aircraft nose end of desiccator and screen printing machine, make things convenient for operating personnel to pass.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a desiccator is energy-conserving effectual, under the prerequisite that drying effect matches, is revised as the U-shaped heating methods of bottom and lateral wall heating for by current top heating to form the thermal convection, drying effect is good, and single hour power is reduced to 15KW by 37.5 KW.
2. The utility model discloses a perpendicular page or leaf formula desiccator does not all contact with holding in the palm paper frame in the face of a flower drying overall flow of stained paper, has greatly reduced the rejection rate.
3. The utility model discloses a hold in the palm the paper holder and cancelled the paper clip of conventional paper holder, reduced the manufacturing cost who holds in the palm the paper holder, generally speaking, the support paper holder that a desiccator needs reaches thousands of quantity.
Drawings
Fig. 1 is a schematic view of an overall structure of a dryer according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the other side of FIG. 1;
FIG. 3 is a diagrammatic illustration of the head of the dryer of FIG. 1;
FIG. 4 is a diagrammatic view of the dryer tail of FIG. 1;
FIG. 5 is a schematic view of a cross-section of FIG. 1;
FIG. 6 is a pictorial view of the pallet of FIG. 1;
fig. 7 is another side view of fig. 6.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
As shown in fig. 1, the vertical blade dryer of the present embodiment includes a drying box 1 which is longitudinally arranged as a whole and is open at both ends, and a drying tunnel 2 is formed by a hearth of the drying box 1 supported by a plurality of vertical pillars 12. The dryer mainly adopts a chain system 4 to drive the paper supporting frames 3 to horizontally move along the extension direction of the track, all the paper supporting frames 3 enter the drying channel 2 from the head end, then are turned over to the lower part of the drying channel 2 after coming out from the tail, and then are recycled to the head end to realize circular rotation.
The nuclear core point of this embodiment lies in the operation mode of stained paper 5 in tail department, stained paper 5 by a certain support paper frame 3 when holding in the palm to the tail, because hold in the palm the inclination of paper frame 3, thereby can keep original gesture from this support paper frame landing to the preceding support paper frame 3 on to tail end head stained paper 5 realizes the smooth transition of page turning over formula, the face of a flower slope that keeps stained paper 5 all the time faces up, and guarantee that the face of a flower of stained paper 5 no matter in which stage all with support paper frame 3 contact, thereby avoid holding in the palm the pigment that paper frame 3 is infected with on stained paper 5 not dry, greatly reduced the rejection rate.
Two adjacent paper supporting frames 3 form a containing space for the stained paper 5, and the transferred stained paper 5 is dried in the drying channel. The chain system 4 runs with its upper part inside the drying tunnel 2 and with its lower part below the drying tunnel 2. The running direction of the chain system 4 in the drying tunnel 2 coincides with the length direction of the drying tunnel 2. The chain row systems 4 are divided into a left group and a right group, and the corresponding chain links 41 of the left group and the right group of the chain row systems 4 are fixed with a paper supporting frame 3. The chain bar system 4 includes a sprocket (not shown) and a chain wound around the sprocket, and the sprocket is rotated by a driving motor 43.
As shown in fig. 1 and 2, two side walls of the drying box 1 are provided with doors 11 communicated with the drying channel 2, and when the doors 11 are opened, stained paper between two adjacent paper supporting frames 3 in the drying channel can be taken out at any time according to needs. Generally, 3 doors 11 can be opened on one side, and the doors can also be used as access holes.
As shown in fig. 3, a delivery 9 is provided below the head, and the delivery 9 of the present embodiment is directed toward the tail of the dryer, as compared with the delivery of the commercially available page-turning dryer directed toward the screen printing machine, which greatly saves the floor space of the dryer. In addition, because the delivery unit 9 is positioned below the nose, the gap bridge unit 6 can be folded in a rotating way when the machine is stopped, and the position of the gap bridge unit becomes a pedestrian path. Due to the arrangement position of the delivery device 9, even if the gap bridge device 6 is rotated and folded, the flap dryer is inconvenient for operators to pass through.
As shown in fig. 6 and 7, the paper supporting frame 3 includes a cross bar 31, two ends of the cross bar 31 are respectively welded with a fixing block 32, the fixing block 32 is provided with a positioning fixing hole 33, and the paper supporting frame 3 is fixed on the link 41 by a fastener penetrating through the positioning fixing hole 33 during installation. A plurality of paper support bars 34 are fixed to the cross bar 31, and the end portions of the paper support bars 34 are bent to form paper support hooks 35. In the actual production process, generally, 4 paper supporting rods 34 are fixed on one cross rod 31, and each paper supporting rod 34 is formed by bending and winding a steel wire. As shown in fig. 6, the mounting surface of the fixing block 32 is disposed at an angle to the paper supporting rod 34, and the paper supporting rod 34 is disposed to be inclined with respect to a cross section perpendicular to the length direction of the drying tunnel 2 after being mounted.
In the embodiment, a support is arranged at the position of the tail, a plurality of paper blocking strips 7 are arranged on the support, for example, 2 paper blocking strips 7 are arranged on the support, and the paper blocking strips 7 are generally tangent to the arc line which is drawn by the paper supporting frame 3 when the tail is turned, so that the stained paper 5 is prevented from sliding out of the paper supporting hook 35 when sliding from the upper side of the chain system 4 to the lower side of the chain system 4. Of course, during the process of turning the paper holder 3 downward, a part of the paper blocking strip 7 may be located in the gap between the two paper holding rods 34 of the paper holder 3 at a certain time.
The method for drying the stained paper by using the vertical page type dryer comprises the following steps:
and S1, transferring the stained paper 5 printed by the screen printing machine to the head end of the dryer through the bridging device 6.
And S2, the paper support frame 3 which is turned upwards along with the chain system 4 at the head end supports the stained paper 5 and moves continuously along with the chain system 4, the flower surface of the stained paper 5 inclines upwards, and the non-flower surface of the stained paper 5 is attached to and supported on the paper support frame 3.
And S3, the stained paper 5 which is not supported on the paper support 3 by the non-flower surface enters the drying channel 2 along with the chain system 4 for drying.
S4, when the stained paper 5 with the non-flower surface supported on the paper support frame 3 moves to the tail end along with the chain arrangement system 4, the gradient of the paper support frame 3 becomes steeper and steeper along the process that the chain arrangement system 4 overturns downwards until the stained paper 5 slides to the second paper support frame on the downstream side along the paper support frame 3, in the sliding process, the non-flower surface of the stained paper 5 always faces the paper support frame, and the flower surface of the stained paper 5 always faces upwards.
And S5, moving the stained paper 5 along with the second paper support frame on the downstream side continuously in the chain system 4 until the second paper support frame runs below the head end, and sliding the stained paper 5 to a paper collecting device along the second paper support frame when the second paper support frame is turned upwards.
In the actual drying process, the paper supporting hook 35 of one paper supporting frame 3 abuts against the end part of the paper supporting rod 34 of the other paper supporting frame, so that a gap for accommodating the stained paper 5 is formed between the paper supporting frames 3 arranged on two adjacent chain links 41. Furthermore, at least two paper dragging strips, for example 4 strips, are arranged on the chain system, and the paper dragging strips are preferably paper supporting steel strips 42, the paper supporting steel strips 42 penetrate through the drying channel 2 and extend from the head end to the tail end of the dryer, and the paper supporting steel strips 42 mainly prevent the stained paper 5 from falling from the gap between the two adjacent paper supporting frames 3.
The drying channel 2 at the upper part of the dryer mainly comprises a heat-insulating interlayer and an electric control heating system. In order to achieve differentiated drying, the drying tunnel may be divided into three sections, and the temperature of each section may be set separately as required. And an air exhaust device is arranged above two ends of the drying channel, and waste gas in the drying channel can be exhausted out of the dryer through the air exhaust device. The lower part of the dryer is a fan natural cooling drying part.
The power transmission device is provided with an external (hanging) chain wheel, the dryer runs by itself or is linked with the screen printer (synchronously) through a chain, and the stained paper 5 printed by the screen printer is conveyed to the head end of the dryer through the gap bridge device 6.
Heating elements 81,82 and 83 are arranged in the left side wall and the right side wall of the drying box 1 and on the bottom plate, the heating elements 81,82 and 83 are preferably graphene carbon heating films or plates, and the thickness of the graphene carbon heating films or plates is only several millimeters, so that the space of a drying channel is greatly increased. In other words, the width and height dimensions of the box dryer can be reduced with the same heating efficiency. Compared with the commercially popular page turning type drying machine mentioned in the background art, the commercially popular page turning type drying machine has the heating element only designed above the drying channel, namely only arranged at the top of the drying box 1, so that the heat is relatively difficult to move from top to bottom, and the heating efficiency is not high.
In order to improve the heat circulation effect and achieve the purpose of uniform heating, an air return duct is additionally arranged in the drying channel 2, hot air generated by the graphene carbon heating film (plate) is promoted to self-circulate from the bottom and the left and right ends of the stained paper 5 through a fan, the drying effect is obviously improved by utilizing the principle that heat is upward, the technical indexes such as temperature rise and energy consumption are obviously superior to those of a page turning type drying machine popular in the market, and the power consumption of the drying machine on the same scale is reduced from 37.5KW (page turning type drying machine) to 17KW (vertical page type drying machine). During heating, hot air flows through the side part and the bottom part of the paper support frame 3 and then is heated (circularly) again through the air return channel, thereby improving the drying and electricity-saving effects. The top of the vertical leaf type dryer of the embodiment is not provided with the heating plate, and the vertical leaf type dryer can be used as a fresh air supplement adjusting door to improve the humidity and oxygen content of internal hot air flow, so that the optimal requirement of the paper redox drying process is ensured. The dried exhaust gas is discharged through the exhaust port 84 by the exhaust fan 13.
The transmission system of the vertical page type dryer of the embodiment adopts a traction-free active transmission mode, is mainly suitable for being matched with a printer head without an output shaft and inconvenient connection, mainly comprises a frequency converter, an electromagnetic clutch worm gear speed reducer, a photoelectric sensor and an electric cabinet, and has the working principle that: frequency converter → motor → electromagnetic clutch worm gear reducer → secondary reducer → output, wherein the photoelectric induction controller controls the electromagnetic clutch worm gear reducer to act. In the actual use process, the secondary speed reducer determines the accepting or rejecting according to the condition of the dryer.
Preferably, a transmission system consisting of an electromagnetic worm gear speed reducer, a frequency converter, an ohmic tap electric switch and the like is adopted, the noise is reduced, the structure and the transmission are simpler and more stable, and the paper receiving speed can be adjusted at will after printing is stopped.
Compared with the traditional chain transmission type, the transmission mode of the vertical blade type dryer of the embodiment has the following characteristics:
1. the paper receiving mechanism is arranged (user-defined), a transfer (gap bridge) device is not required to be additionally arranged, and the occupied area of the dryer is reduced, so that the effective operation space is increased.
2. Because no main machine chain is involved, other auxiliary production equipment can be inserted between the printing machine head and the dryer at will (the point is particularly suitable for packaging and printing, such as placing a UV dryer), and the operation of staff is convenient due to no obstruction.
The cold air and hot air in the drying box hearth of the dryer are sealed in an automatic circulation mode, the temperature can be 100 ℃, the humidity required by the product can be reduced, and the PVC printed sheets can be received in a photoelectric automatic synchronization mode.
According to the technical requirements of customers, the outer surface of the dryer does not generate heat, no dust is in the hearth, the hearth is made of stainless steel, a PVC product bracket is molded and welded under high pressure, the upper temperature and the lower temperature in the self-circulation temperature hearth have a tolerance of +/-3 ℃, the hearth is heated, a centrifugal fan is used for discharging waste gas, and cold and hot air is uniform and sufficient in air volume, so that the drying requirements of various film products can be met.
When the dryer of the embodiment is used for normal printing and drying, the rotating operation mode of the dryer is divided into two modes, wherein one mode is chain transmission and is driven by an external chain of a host; the other is a photoelectric transmission, and the transmission is controlled by photoelectric reception.
The paper receiving device (gap bridge) of the dryer of the present embodiment is a paper transfer interface device provided between the screen printer and the dryer.
The external dimension (mm) of the dryer of the embodiment is 18000 × 1730 × 2350 (length × width × height), the external dimension (mm) of the print dry film product is 120002200 (length × height), the number of paper supporting frames is 1340, the transfer speed is adjustable from 0 to 60 sheets/min, the temperature rise (DEG C) of the drying temperature is 60, the overall installed power is 22KW (wherein the heating power is 17 KW), and the total weight is about 5 tons.
The use of the vertical blade dryer of the present embodiment is noted:
1. the vertical leaf dryer should be installed by a skilled technician.
2. Checking before the newly installed equipment is started:
2.1, checking whether the electric circuit is connected correctly and whether the machine shell is grounded (zero connection). Whether the rotation directions of motors such as air draft and a fan are correct or not.
And 2.2, checking whether the speed reducing mechanism and the gear rotating part are filled with oil or not.
And 2.3, checking whether foreign matters exist in the rotating (transmission) part of the machine.
3. When the machine is in operation, the paper support frame cannot be pulled to forcibly release the paper so as to avoid damaging the paper support frame.
4. When the electric heating is started, the corresponding fan switch is turned on, and when the electric heating is stopped, the fan can be stopped after the fan continues to operate for three minutes.
5. If the paper holder is found to be abnormal, such as deformation, desoldering and the like, the paper holder should be repaired or replaced in time so as not to damage the stained paper or other paper holders.
6. The front and rear main shaft bearing seats, chain guide rails and other transmission (rotation) parts should be regularly checked and filled with lubricating oil.
7. After the main chain row operates for a long time and is worn and extended normally, the adjusting bolt of the tail chain row of the machine should be adjusted to be proper in time.
The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims (10)

1. A heating device of a drying machine is disclosed, wherein the drying machine comprises a drying box (1) which is longitudinally arranged integrally and is opened at two ends, and a drying channel (2) is formed in a hearth of the drying box (1); the method is characterized in that:
the two side walls and the bottom plate of the drying box (1) are respectively provided with a sheet heating element arranged towards the drying channel (2), and the sheet heating elements on the two side walls and the bottom plate form a U shape when viewed from the section perpendicular to the length direction of the drying channel (2).
2. The dryer heating apparatus of claim 1, wherein said heating element is a graphene carbon heat-generating film or plate.
3. Drier heating device according to claim 1, characterized in that the top of the drying box (1) is provided with an air outlet (84) communicating with the drying tunnel (2), the outlet of the air outlet (84) being equipped with an exhaust fan (13).
4. Drier heating device according to any of the claims 1 to 3, characterized in that at least one side wall of the drying box (1) is provided with a door (11), which door (11) communicates with the drying channel (2).
5. A vertical leaf type dryer comprises a drying box (1) with two open ends, a drying channel (2) formed by a hearth of the drying box (1), a chain row system (4) capable of moving circularly and a plurality of paper supporting frames (3) fixedly arranged on the chain row system (4);
one end of the drying box (1) is a head end, the other end of the drying box is a tail end, a paper supporting frame at the head end is turned upwards along with the chain arrangement system (4), and a paper supporting frame at the tail end is turned downwards along with the chain arrangement system (4); the method is characterized in that: the drying box (1) is provided with a heating device according to any one of claims 1-4.
6. The vertical leaf dryer according to claim 5, characterized in that the end of the paper support frame (3) fixed on the chain system (4) is a fixed end, the other end is a free end, and the paper support frame (3) is a non-paper-clip type paper support frame (3); the fixed ends of the paper supporting frames (3) are arranged on chain links (41) of the chain row system (4), and a stained paper accommodating gap is formed between every two adjacent paper supporting frames (3);
when the paper support frame (3) runs above the chain arrangement system (4), the free end of the paper support frame (3) inclines towards the head end of the dryer, when the paper support frame (3) runs below the chain arrangement system (4), the free end of the paper support frame (3) inclines towards the tail end of the dryer, when two adjacent paper support frames (3) overturn at the tail end, stained paper on the paper support frame on the upstream side slides onto the second paper support frame on the downstream side without overturning, and the flower surface of the stained paper (5) is kept upward all the time in the drying process.
7. The vertical page type dryer according to claim 6, wherein a support is installed at the tail end of the dryer, a plurality of paper blocking strips (7) are installed on the support, and when the stained paper on the upstream paper support slides to the downstream second paper support without turning over, the paper blocking strips (7) prevent the stained paper from sliding from the downstream second paper support.
8. Vertical leaf dryer according to any of claims 5-7, characterized in that the carrier (3) comprises a cross bar (31), the cross bar (31) being fastened at both ends to corresponding links (41) of the chain bar system (4) by means of fasteners, the cross bar (31) being provided with a plurality of carrier bars (34), the outer ends of the carrier bars (34) being bent to form carrier hooks (35).
9. The vertical page type dryer according to claim 8, wherein fixing blocks (32) are fixed at two ends of the cross rod (31), each fixing block (32) is provided with a fixing hole (33) for fixing the paper supporting frame (3) on a corresponding chain link (41) of the chain bar system (4) through a fastener, and an included angle between a central axis of the fixing hole (33) and the length direction of the paper supporting rod (34) is an acute angle.
10. Vertical leaf dryer according to any of claims 5-7, characterized in that the drying tunnel (2) is provided with a paper strip arranged in the longitudinal direction, which paper strip is arranged above the cross bar of each paper holder (3) in a penetrating manner and is used for supporting the lower end face of the stained paper (5) in the stained paper accommodating gap.
CN202021276162.5U 2020-07-03 2020-07-03 Dryer heating device and vertical blade type dryer Active CN212860817U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021276162.5U CN212860817U (en) 2020-07-03 2020-07-03 Dryer heating device and vertical blade type dryer

Applications Claiming Priority (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111806082A (en) * 2020-07-03 2020-10-23 长沙银繁机械设备制造有限公司 Vertical page type dryer and stained paper drying method
CN115320244A (en) * 2022-08-09 2022-11-11 湘潭市嘉鸿包装有限公司 Drying equipment for paper products

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111806082A (en) * 2020-07-03 2020-10-23 长沙银繁机械设备制造有限公司 Vertical page type dryer and stained paper drying method
CN111806082B (en) * 2020-07-03 2021-11-05 长沙银繁机械设备制造有限公司 Vertical page type dryer and stained paper drying method
CN115320244A (en) * 2022-08-09 2022-11-11 湘潭市嘉鸿包装有限公司 Drying equipment for paper products

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