Air extraction cylinder mould for paper machine and use method thereof
Technical Field
The invention relates to the technical field of papermaking equipment, in particular to an air extraction cylinder mould for a papermaking machine and a using method thereof.
Background
The paper machine is a general name of a complete set of equipment which enables paper pulp to form paper webs in a linkage mode, and comprises a main machine such as a head box, a net part, a pressing part, a drying part, a calender, a paper winder and a transmission part and auxiliary systems such as steam, water, vacuum, lubrication, heat recovery and the like.
The cylinder mould paper machine is a kind of paper machine, it is a paper machine using cylinder mould as former, the cylinder mould is called for short for the net part of cylinder mould paper machine, it is mainly composed of cylinder mould, cylinder groove and couch roll. The cylinder mould is the main part on which the paper web is formed in the cylinder mould paper machine, is mainly used for filtering water in paper pulp, and when the traditional cylinder mould is used for water permeation, a water film is left between gaps of the cylinder mould, so that the permeation of subsequent water is influenced, and the dehydration speed and the dehydration rate of the paper pulp are influenced.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an air extraction cylinder mould for a paper machine and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air-extracting cylinder mould for a paper machine comprises a mould body, wherein a support is arranged at the lower side of the mould body, bearing seats are fixedly connected at two ends of the support, a rotating shaft is connected between the two bearing seats, a wheel rim is fixedly connected on the outer wall of the rotating shaft, the mould body is fixed on the outer wall of the wheel rim, sealing plates are arranged at two ends of the mould body, the sealing plates are fixedly connected with the inner wall of the support through connecting plates, an air extracting pump and a water suction pump are installed on the outer wall of the support, an air outlet and a water outlet which are communicated with the outside are arranged on the sealing plates, the input end of the air extracting pump is fixedly connected with the inner wall of the air outlet, the output end of the water suction pump is fixedly connected with the inner wall of the water outlet, a cleaning plate is arranged on the outer wall of the lower side of the mould body, a hollow plate is arranged at one side of the cleaning plate close to the, the utility model discloses a wash-down pump, including suction pump and hollow board, be connected through the trachea between suction pump and the hollow board, tracheal one end fixedly connected with fixed plate is kept away from to hollow board, the lower lateral wall integrated into one piece of fixed plate has the baffle, fixedly connected with expanding spring between the outer wall of baffle and support, the flabellum is installed in the outside of support, the output of suction pump is connected with the wash pipe towards the flabellum setting, the incomplete gear of fixedly connected with on the outer wall of flabellum, the lower lateral wall fixedly connected with and the incomplete gear engaged with pinion rack of fixed plate.
Preferably, a reinforcing plate arranged in a man shape is arranged at the joint of the rim and the inner wall of the cage body.
Preferably, the inner wall of the reinforcing plate is provided with a plurality of curved and continuous guide grooves, and the number of the guide grooves is more than one.
Preferably, the end part of the reinforcing plate far away from the center of the rim extends outwards to be fixedly connected with the inner wall of the cage body, and the reinforcing plate is made of one of a cast steel plate, a cast iron plate, galvanized steel and carbon steel.
Preferably, the number of the flow guide grooves on each reinforcing plate is two, the end portions of the flow guide grooves are arranged in an open mode, conical surfaces are arranged at the two ends of each flow guide groove, the distance between the inner walls of the conical surfaces is gradually reduced from outside to inside, and the conical surfaces are arranged in an arc shape.
Preferably, the fan blade is a turbine fan blade, the turbine fan blade is made of high-temperature alloy through forging, and the surface of the fan blade is subjected to galvanizing treatment.
Preferably, the wash pipe is the setting of buckling, and the tip of wash pipe sets up towards the flabellum perpendicularly downwards, the wash pipe is close to the centre of a circle setting of the deviating flabellum of one end of flabellum, the department of buckling of wash pipe is provided with the transition cambered surface, the transition cambered surface distributes at the interior roof and the interior diapire of wash pipe.
Preferably, the air pipe is connected with the output end of the air suction pump.
Preferably, the air pipe is connected with an input end of the air suction pump.
A use method of an air-extracting cylinder mould for a paper machine comprises the following steps:
s1, spraying paper pulp onto the cage body, and removing water in the paper pulp through extrusion;
s2, pumping out gas and water in the cage body through the work of an air pump and a water pump;
s3, the pumped water body is guided out through the flushing pipe to be in contact with the fan blades, the fan blades are impacted to further drive the fan blades to rotate, the incomplete gear is driven to rotate through rotation of the fan blades, the toothed plate and the fixed plate are further driven to move, the hollow plate is further driven to move, the position of the air outlet head in contact with the cage body is changed, and then the water film at the position corresponding to the air outlet head on the cage body is removed.
Compared with the prior art, the air extraction cylinder mould for the paper machine and the use method thereof have the advantages that:
1. the water pump, the fan blades, the incomplete gear and the toothed plate are arranged, water in the cage body is pumped out through the water pump and is pumped out through the flushing pipe to be in contact with the fan blades, the fan blades are driven to rotate, the incomplete gear is driven to rotate, the hollow plate moves back and forth through the intermittent meshing of the incomplete gear and the toothed plate, and the water film on the surface of the cage body is thoroughly removed;
2. the air suction pump and the air pipe are arranged, air flow in the air pipe is sucked out or guided into the air pipe through the work of the air suction pump, the water film on the surface of the cage body is blown through negative pressure and air flow impact, and the influence of the subsequent water film on the permeation rate of extruded water is avoided;
3. the reinforcing plate is arranged, so that the supporting effect of the wheel rim on the cage body is enhanced on one hand through the reinforcing plate, the overall strength is increased, the triangular-like arrangement support in the human-shaped arrangement is more stable, meanwhile, the cambered surface of the reinforcing plate has a flow guiding effect, water accumulation is avoided, the flowing water is quickly guided out through the flow guiding grooves, and the phenomenon that the outflow efficiency of the water is influenced by the concentrated accumulation of the water is avoided;
in conclusion, the air and water flow led out from the cage body are utilized to realize the movement of the hollow plate and the work of the air suction pump to blow out air flow or form negative pressure on the air pipe, so that the water film formed on the surface of the cage body is removed, and the subsequent water film is prevented from influencing the permeation rate of extruded water.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of an air-extracting cylinder mould for a paper machine and a method for using the same according to the present invention;
FIG. 2 is a side view of an air extraction cylinder mould for a paper machine and a method of using the same according to the present invention;
FIG. 3 is an enlarged view of the structure of portion A of FIG. 1;
FIG. 4 is a schematic structural view of an air-extracting cylinder mould for a paper machine and a method for using the same according to the present invention;
FIG. 5 is a top view of a connection between a scavenging web and a hollow panel in a papermaking machine and a method of using the same according to the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the air-extracting cylinder mould for a paper machine and a use method thereof according to the present invention.
In the figure: the device comprises a cage body 1, a support 2, a bearing seat 3, a rotating shaft 4, a rim 5, a sealing plate 6, an air pump 7, a water pump 8, an air pipe 9, a scavenging plate 10, fan blades 11, an incomplete gear 12, a toothed plate 13, a fixed plate 14, a baffle plate 15, a telescopic spring 16, a flushing pipe 17, a hollow plate 18, an air outlet head 19 and a diversion trench 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-5, an air-extracting cylinder mould for a paper machine, including the cage body 1, the downside of the cage body 1 is provided with the support 2, the equal fixedly connected with bearing frame 3 in both ends of support 2, be connected with pivot 4 between two bearing frames 3 jointly, fixedly connected with wheel rim 5 on the outer wall of pivot 4, the cage body 1 is fixed on the outer wall of wheel rim 5, the junction of wheel rim 5 and the inner wall of the cage body 1 is provided with the reinforcing plate that is "people" type setting, the tip that the center of wheel rim 5 was kept away from to the reinforcing plate extends towards the outside and is connected with the inner wall fixed connection of the cage body 1, the reinforcing plate adopts one of cast steel board, cast iron plate, galvanized steel, carbon steel, the reinforcing plate that "people" type set up has the water conservancy diversion.
Set up guiding gutter 20 that crooked and continuous multistage set up on the inner wall of reinforcing plate, the quantity of guiding gutter 20 is greater than one, the quantity of guiding gutter 20 that is located on every reinforcing plate is two, and the tip of every guiding gutter 20 all is open setting, the both ends of every guiding gutter 20 set up the conical surface, and the distance outside-in between the conical surface inner wall reduces gradually, the arc setting is personally submitted to the toper, the guiding gutter 20 that the multistage is crooked to be set up is with water down water conservancy diversion when the water that paper pulp was extruded gets into to the cage body 1, the outflow efficiency of influence water has been avoided piling up in the concentration of water.
The both ends of the cage body 1 all are provided with the closing plate 6, closing plate 6 is through the inner wall fixed connection of even board and support 2, the cage body 1 rotates between closing plate 6, closing plate 6 seals the both ends of the cage body 1, install aspiration pump 7 and suction pump 8 on the outer wall of support 2, be provided with gas outlet and the delivery port with outside intercommunication on the closing plate 6, the input of aspiration pump 7 and the inner wall fixed connection of gas outlet, the output of suction pump 8 and the inner wall fixed connection of delivery port, take out the gas in the cage body 1 through aspiration pump 7, form the negative pressure in the cage body 1, be convenient for water entering to the cage body 1 in, the water in the cage body 1 is taken out to the work of rethread suction pump 8, accelerate the log raft that the paper pulp extrusion was derived to the speed in the cage body 1 through the negative pressure environment in the cage body 1.
The cleaning device comprises a cage body 1, a cleaning plate 10 is arranged on the outer wall of the lower side of the cage body 1, a hollow plate 18 is arranged on one side, close to the cage body 1, of the cleaning plate 10 in a sliding mode, a plurality of air outlets 19 which are arranged towards the cage body 1 in a conical mode are arranged on the outer wall of the hollow plate 18, an air suction pump 7 is connected with the hollow plate 18 through an air pipe 9, a fixing plate 14 is fixedly connected to one end, away from the air pipe 9, of the hollow plate 18, a baffle plate 15 is integrally formed on the lower side wall of the fixing plate 14, a telescopic spring 16 is fixedly connected between the baffle plate 15 and the outer wall of a support 2, when the telescopic spring 16 is completely unfolded, one side, close to a fan blade 11, a fan blade 11 is installed on the outer side of the support 2, the fan blade 11 is a turbine fan blade, the turbine fan blade is forged by high-temperature alloy, the, the end part of the flushing pipe 17 is vertically downwards arranged towards the fan blade 11, one end of the flushing pipe 17 close to the fan blade 11 is arranged to deviate from the center of the fan blade 11, a transition arc surface is arranged at the bending part of the flushing pipe 17 and distributed on the inner top wall and the inner bottom wall of the flushing pipe 17, an incomplete gear 12 is fixedly connected to the outer wall of the fan blade 11, a toothed plate 13 meshed with the incomplete gear 12 is fixedly connected to the lower side wall of the fixing plate 14, water in the cage body 1 is pumped out by a water pump 8 and is pumped out through the flushing pipe 17, the fan blade 11 is driven to rotate by the contact of pumped water flow and the fan blade 11, the incomplete gear 12 is further driven to rotate, the fixing plate 14 and the hollow plate 18 are driven to move towards one side far away from the fan blade 11 by the meshing of the incomplete gear 12 and the toothed plate 13, when the incomplete gear 12 is not meshed with the toothed plate 13, the fixing plate 14 and the, the position of the hollow plate 18 is changed by the rotation of the incomplete gear 12, and the water film on the cage body 1 is completely removed through the gas outlet head 19.
Trachea 9 is connected with aspiration pump 7's output, and the air in the air pump 7 during operation cage body 1 is taken out to derive gas to hollow plate 18 in through trachea 9, and spout to the contact with the cage body 1 through gas outlet head 19, blow the water film on the surface of the cage body 1 open, avoid follow-up water film to influence the permeation rate of the water of extruding out.
Example two
Referring to fig. 6, the difference from the first embodiment is that:
trachea 9 is connected with aspiration pump 7's input, and aspiration pump 7 during operation takes out the gas in hollow plate 18 through trachea 9, forms the negative pressure in the 19 departments of giving vent to anger, will be close to the water film absorption on the cage 1 outer wall of 19 departments of giving vent to anger through the negative pressure and pull out, avoids the existence of water film to influence follow-up water and gets into to the cage 1 in.
A use method of an air-extracting cylinder mould for a paper machine comprises the following steps:
s1, spraying paper pulp onto the cage body, and removing water in the paper pulp through extrusion;
s2, pumping out gas and water in the cage body through the work of an air pump and a water pump;
s3, the pumped water body is guided out through the flushing pipe to be in contact with the fan blades, the fan blades are impacted to further drive the fan blades to rotate, the incomplete gear is driven to rotate through rotation of the fan blades, the toothed plate and the fixed plate are further driven to move, the hollow plate is further driven to move, the position of the air outlet head in contact with the cage body is changed, and then the water film at the position corresponding to the air outlet head on the cage body is removed.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.