A kind of quick-dehydration device in paper technology
Technical field
The utility model relates to paper making equipment technical fields, and in particular to the quick-dehydration device in a kind of paper technology.
Background technique
Papermaking process mainly includes pulping section, copy paper section, coating section, processing sections, and copy paper section is in paper-making process
The paper pulp modulated that pulping section generates mainly equably is interweaved and is dehydrated by a most important process, copy paper section,
Drying, press polish, roll paper, cutting and packaging process, eventually form paper.It is to pass through papermaking that paper pulp, which equably interweave,
The first procedure that wet end is realized and sheet forming is shaped, the fiber in paper pulp forms after equably interweaving containing big
The paper web of moisture is measured, paper web takes off most moisture using dehydration procedure, and drying process is finely taken off later
Water, therefore the dehydration quality of paper web directly influences the progress of next process, if paper web goes back band after by dehydration procedure
There is large quantity of moisture, then just needing to consume a large amount of energy progress in drying process, repeatedly dry ability is up to standard.In the prior art
A kind of quick-dehydration device with papermaking is provided with suction roll above pressure roller, and suction roll outer layer is equipped with water absorption layer, inhales
It is equipped in damping roller and receives water cavity, received water cavity and be connected by receiving water hole with water absorption layer, receive water cavity and absorbed water by negative pressure.However pass through net
The paper web water content that portion is formed is very big, therefore water absorption layer water absorption is very big, if it is too small to receive water hole at this time, cannot in time by
Water in water absorption layer siphons away, and the effect of paper web will be deteriorated;If receiving, water hole is excessive, can have to by the paper web of suction roll
There is larger suction, can also largely effect on the quality of paper web, therefore how to exhaust the water of water absorption layer is to be dehydrated work in paper-making process
One of skill technical problem urgently to be solved.
Utility model content
For the deficiency in the presence of the prior art, the utility model provides the fast dewatering dress in a kind of paper technology
It sets, quickly the moisture in the water absorption layer of suction roll outer layer quickly can be excluded, improve the effect of dehydration.
To achieve the above object, the utility model uses the following technical solution:
A kind of quick-dehydration device in paper technology, including mutually matched pressure roller and intermediate calender rolls, pressure roller are located at
The top of intermediate calender rolls is simultaneously reserved with the gap passed through for paper to be drained off between, further includes the water sucting belt of lower roll and annular,
Lower roll is located at below intermediate calender rolls, and lower roll is connected with intermediate calender rolls by the water sucting belt of annular, and use is additionally provided between lower roll and intermediate calender rolls
Make the pressurizing unit of water sucting belt moisture discharge in squeezing water sucting belt
Compared with the prior art, paper web is first passed through pressure roller and intermediate calender rolls by the utility model, and the moisture in paper web is pressed
The water sucting belt that roll-in enters intermediate calender rolls appearance is squeezed, then by the way that pressurizing unit is arranged at the both ends of water sucting belt, by the water sucting belt of saturation
Interior moisture squeezes out, and to continue to absorb the moisture by the paper web between pressure roller and intermediate calender rolls, both will not influence
The quality of paper web, also can fast dewatering, effectively improve the dehydrating effect in paper-making process, it is relatively simple for structure, reduce
Cost operates also more convenient.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the partial structural diagram of water sucting belt in the utility model.
Fig. 3 is the structural schematic diagram of the second compression roller 8 in the utility model.
In figure: paper web 1, pressure roller 2, intermediate calender rolls 3, lower roll 4, water sucting belt 5, boss 5-1, the first compression roller 6, support plate
7, the second compression roller 8, extruding groove 8-1, draining pressing plate 9, body cradle 10, spring 11.
Specific embodiment
The utility model is described in further detail below in conjunction with Figure of description, and provides specific embodiment.
As shown in Figure 1-3, the quick-dehydration device in a kind of paper technology, including pressure roller 2, intermediate calender rolls 3,4 and of lower roll
The water sucting belt 5 of annular, pressure roller 2 are located at the top of intermediate calender rolls 3 and are reserved with the gap passed through for paper to be drained off between,
Lower roll 4 is located at 3 lower section of intermediate calender rolls, and lower roll 4 is connected with intermediate calender rolls 3 by the water sucting belt 5 of annular, between lower roll 4 and intermediate calender rolls 3 also
Equipped with the pressurizing unit that 5 moisture of water sucting belt is discharged for squeezing water sucting belt 5.Paper web 1 is from pressure roller 2 and intermediate calender rolls 3 when use
Between pass through, pressure roller 2 to paper web 1 have the function of squeeze be extruded into the large quantity of moisture in paper web 1 in water sucting belt 5.Pressure
Squeezing roller 2, intermediate calender rolls 3 are fixed on the rack by shaft respectively, and intermediate calender rolls 3 are also connected with power source.The lower roll 4 and intermediate calender rolls
Be additionally provided with support plate 7 between 3, the both ends of support plate 7 also it is fixed on the rack, support plate 7 be located in the water sucting belt 5 of annular but with
Water sucting belt 5 is contactless, and the bottom end of support plate 7 is arranged in by shaft for lower roll 4.Power source drives intermediate calender rolls 3 to rotate when use, in
Between roller 3 drive lower roll 4 to rotate by the water sucting belt 5 of annular, and then enable to enter paper web 1 between pressure roller 2 and intermediate calender rolls 3
It is exported from cooperation place of pressure roller 2 and intermediate calender rolls 3.
As shown in Figure 1, 2, the water sucting belt 5 is respectively equipped with boss 5-1, the pressure in its zone face two sides along its length
The width for squeezing roller 2 is less than or equal to distance of the water sucting belt 5 between the boss 5-1 of its zone face two sides.Paper web 1 enters pressure roller 2
When between intermediate calender rolls 3, paper web 1 is squeezed the area between the two boss 5-1 on 5 surface layer of water sucting belt that roller 2 is pressed in 3 appearance of intermediate calender rolls
Domain, at this time due to the extruding of pressure roller 2, the moisture content of 1 middle section of paper web can be extruded into water sucting belt 5 below, and paper
The moisture at 1 both ends can also be squeezed roller 2 and be squeezed into the boss 5-1 at 5 both ends of water sucting belt, further be dehydrated to paper web 1,
Improve the effect of dehydration.
As shown in Figure 1, the pressurizing unit includes mutually matched first compression roller 6 and the second compression roller 8, first is squeezed
The side that water sucting belt 5 deviates from boss 5-1 is arranged in roller 6, and the second compression roller 8 is located at the side that water sucting belt 5 has boss 5-1, the
The gap passed through for water sucting belt is reserved between one compression roller 6 and the second compression roller 8.First compression roller 6 and the second compression roller 8
Shaft is equipped at geometric center, the both ends of shaft pass through support frame respectively and are fixed in support plate 7.
As shown in figure 3, the both ends of second compression roller 8 are respectively provided in the boss 5-1 for squeezing 5 both ends of water sucting belt
The extruding groove 8-1 of moisture, the width for squeezing groove 8-1 are less than the width of 5 boss 5-1 of water sucting belt.First in pressurizing unit
The length of compression roller 6 is greater than the length of the second compression roller 8, when water sucting belt 5 enters between the first compression roller 6 and the second compression roller 8
When, the moisture in the surface of water sucting belt and the boss of two sides can effectively be squeezed out water sucting belt, and water sucting belt is allow to continue to inhale
Moisture in collection width.
As shown in Figure 1, the lower section of second compression roller 8 is equipped with draining pressing plate 9, the top of the draining pressing plate 9 is pressed in
On the water sucting belt 5 and both ends of draining pressing plate 9 are connected to the both ends of support plate 7 by spring 11, and the lower part both ends of draining pressing plate 9 are logical
It crosses interconnecting piece to be each passed through water sucting belt 5 and be hinged on the lower part two sides of support plate 7, the interconnecting piece is body cradle 10, the hinge
Connecing frame 10 includes two symmetrical L-type interconnecting pieces, and described two L-type interconnecting pieces one end is respectively symmetrically fixed in draining pressing plate 9
On side wall, the L-type interconnecting piece other end is hinged on the lower part two sides of support plate 7.Drain pressing plate 9 under the action of spring 11 its
Top is pressed on the outer surface of water sucting belt 5, therefore not only can squeeze discharge one step ahead to the moisture in water sucting belt, can also be incited somebody to action
The moisture squeezed out in water sucting belt between first compression roller 6 and the second compression roller 8 exports the present apparatus, and moisture will not be along water sucting belt
It is absorbed again by water sucting belt to flowing down, further improves the effect of dehydration.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.