CN103290718A

CN103290718A - Papermaking equipment

Info

Publication number: CN103290718A
Application number: CN2012100431145A
Authority: CN
Inventors: 胡正富; 周凤山
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-02-24
Filing date: 2012-02-24
Publication date: 2013-09-11
Anticipated expiration: 2032-02-24
Also published as: CN103290718B

Abstract

Papermaking equipment comprises a paper sheet mechanism which comprises a step diffuser, a holy roller, a pulp flowing box, a piece of screen cloth, screen cloth rollers, vacuum boxes and a hook-line couch roller, wherein the step diffuser is communicated with the pulp flowing box to convey the pulp to the pulp flowing box, and the holy roller is arranged in the pulp flowing box; the screen cloth forms a closed paper sheet forming band through the screen cloth rollers and the hook-line couch roller; the pulp flowing box is arranged on one side of the closed paper sheet forming band; a pulp outlet of the pulp flowing box is matched and contacted with a part of upper surface of the closed paper sheet forming band, so that the pulp can be sprayed on the upper surface of the closed paper sheet forming band to form a wet paper sheet; and the vacuum boxes are arranged below the lower surface of the closed paper sheet forming band and close to the pulp flowing boxes, and the wet paper sheet is subjected to dehydration through a strong dehydration manner. The papermaking equipment can reduce fiber flocculation and improve uniformity of the paper sheet.

Description

Paper making equipment

Technical field:

The present invention relates to the papermaking equipment field, particularly a kind of paper making equipment.

Background technology:

Existing toilet paper maker when producing page, behind the approach flow under the suspension state owing to bump and the poly-phenomenon of weave in generation fleeces between the fiber, and then form the fleeces polymers.Further, network speed is more big with the electric charge of the more big generation of slurry speed difference in process of production, cause the combinate form of also can further wadding a quilt with cotton in the slurry process that charged fleeces polymers dewaters under the suspension state to become the poly-group of fleeces on the net, and then cause the page uniformity poor.Want to guarantee the uniformity of page, then need to reduce by the speed of a motor vehicle of restriction toilet paper maker the generation of electric charge, so can reduce the output of toilet paper maker.

Summary of the invention:

In view of this, be necessary to provide a kind of paper making equipment that guarantees the page uniformity and page output.

A kind of paper making equipment, comprise sheet forming mechanism, sheet forming mechanism comprises stepped diffuser, doctor-roll, head box, screen cloth, screen cloth roller, vacuum tank, hook line couch roll, and stepped diffuser is communicated with head box, slurry is transported to head box, and doctor-roll is arranged in the head box; Screen cloth forms closed sheet forming band by screen cloth roller, hook line couch roll, head box is arranged on a side of closed sheet forming band, and the grout outlet of head box matches with the part upper surface of closed sheet forming band and contacts, form the l Water Paper page or leaf with the upper surface that slurry is sprayed at closed sheet forming band, vacuum tank is arranged on the below of the lower surface of closed sheet forming band, and vacuum tank is near head box, by strong dewatering type the l Water Paper page or leaf is dewatered.

Utilize above-mentioned paper making equipment, below the lower surface of closed sheet forming band and near head box grout outlet place, vacuum tank is set, utilize vacuum tank that the l Water Paper page or leaf that has just formed on the closed sheet forming band is carried out strong processed, so that the moisture content in the l Water Paper page or leaf reduces rapidly, so can reduce the free charge quantity in the slurry, and then it is poly-to reduce fleeces, has improved the page uniformity, and need not to make the speed of a motor vehicle that reduces paper equipment, thereby guaranteed the papermaking output of paper making equipment.

Description of drawings:

Accompanying drawing 1 is the structural representation of the paper making equipment of a preferred embodiments.

Accompanying drawing 2 is structural representations of the paper making equipment of another preferred embodiments.

Among the figure: paper making equipment 10, sheet forming mechanism 11, stepped diffuser 111, doctor-roll 112, head box 113, grout outlet 1131, screen cloth 114, screen cloth roller 115, vacuum tank 116, hook line couch roll 117, profiled sheeting 118, Wiper blade 119, drying cylinder mechanism 12, felt 121, felt roller 122, lift roller 123, big drying cylinder 124, vacuum tank 125, low pressure sparge pipe 126, hook line carrying roller 127, sticking paper bowl 128, closed sheet forming band 20, upper surface 21, lower surface 22, rake 23, ramp 231, lower inclined plane 232, ascending part 24, lower surface 241, descender 25, rotating speed adjustment part 26, paper making equipment 30, sheet forming mechanism 31, cylinder cylinder mould 310, stepped diffuser 311, doctor-roll 312, head box 313, screen cloth 314, screen cloth roller 315, vacuum tank 316, hook line couch roll 317, profiled sheeting 318, Wiper blade 319, drying cylinder mechanism 32, net-fault point 50

The specific embodiment:

As shown in Figure 1, paper making equipment 10 comprises sheet forming mechanism 11 and drying cylinder mechanism 12.Paper making equipment 10 can be short fourdrinier wire toilet paper machine, fourdrinier wire toilet paper machine, oblique net toilet paper machine.

Sheet forming mechanism 11 comprises stepped diffuser 111, doctor-roll 112, head box 113, screen cloth 114, screen cloth roller 115, vacuum tank 116, hook line couch roll 117, profiled sheeting 118, Wiper blade 119.Stepped diffuser 111 is communicated with head box 113, and slurry is transported to head box 113, and doctor-roll 112 is arranged in the head box 113.Screen cloth 114 forms closed sheet forming band 20 by screen cloth roller 115, hook line couch roll 117, head box 113 is arranged on a side of closed sheet forming band 20, and the grout outlet 1131 of head box 113 matches with the part upper surface 21 of closed sheet forming band 20 and contacts, form the l Water Paper page or leaf with the upper surface 21 that slurry is sprayed at closed sheet forming band 20, vacuum tank 116 is arranged on the below of the lower surface 22 of closed sheet forming band 20, and vacuum tank 116 is near head box 113, by strong dewatering type the l Water Paper page or leaf is dewatered.Profiled sheeting 118, Wiper blade 119 arrange near the grout outlet 1131 of head box 113 successively, and vacuum tank 116 is between profiled sheeting 118, Wiper blade 119.Another vacuum tank 116 yet is set between hook line couch roll 117 and the Wiper blade 119, utilizes the page after 116 pairs of this vacuum tanks dewater by force to dewater again.

In the present embodiment, closed sheet forming band 20 is divided into the ascending part that is parallel to each other 24, descender 25 of rake 23 and corresponding connection with rake 23 two ends and the corresponding rotating speed adjustment part 26 that is connected of the other end with ascending part 24, descender 25; Head box 113 is arranged on a side of the rake 23 of closed sheet forming band 20, and the grout outlet 1131 of head box 113 matches with the ramp 231 of rake 23 and contacts, vacuum tank 116, profiled sheeting 118 are arranged on the lower inclined plane 232 of rake 23, and profiled sheeting 118 is near the grout outlet 1131 of head box 113, and the tilt angle ranges value of the rake 23 of closed sheet forming 20 is 30 °～40 °; Wiper blade 119 is located at the lower surface 241 of the ascending part 24 of closed sheet forming band 20.The fixed form of doctor-roll 112, head box 113, screen cloth roller 115, vacuum tank 116, hook line couch roll 117, profiled sheeting 118, Wiper blade 119 is that metal frame is fixed.

In the present embodiment, drying cylinder mechanism 12 is arranged on sheet forming mechanism 11 upper left sides, and drying cylinder mechanism 12 comprises felt 121, felt roller 122, lifts roller 123, big drying cylinder 124, vacuum tank 125, low pressure sparge pipe 126, hook line carrying roller 127, sticking paper bowl 128.Felt 121 by felt roller 122, lift roller 123, hook line carrying roller 127, sticking paper bowl 128 forms the page drying belts.Wherein, sticking paper bowl 128 is positioned at directly over the hook line couch roll 117, lift roller 123,127 close big drying cylinders 124 settings of hook line carrying roller, the l Water Paper page or leaf after the felt 121 at so sticking paper bowl 128 places dewaters the process on the closed sheet forming band 20 by force draws to be delivered on the big drying cylinder 124.Vacuum tank 125 is arranged between hook line carrying roller 127, the sticking paper bowl 128 and is positioned at the lower surface of page drying belt, and low pressure sparge pipe 126 is used for cleaning felt 121, operated by rotary motion lift felt 121 between roller 123, the sticking paper bowl 128 above.

Please referring to Fig. 2, paper making equipment 30 is the structural representation of fourdrinier machine, and paper making equipment 30 comprises sheet forming mechanism 31 and drying cylinder mechanism 32.Sheet forming mechanism 31 comprises cylinder cylinder mould 310, stepped diffuser 311, doctor-roll 312, head box 313, screen cloth 314, screen cloth roller 315, vacuum tank 316, hook line couch roll 317, profiled sheeting 318, Wiper blade 319.Profiled sheeting 318, Wiper blade 319 arrange near the grout outlet 3131 of head box 313 successively, and vacuum tank 316 is between profiled sheeting 318, Wiper blade 319, vacuum tank 316 is 0.5～4m with the distance L of the net-fault point 50 of sheet forming mechanism 31, the diameter of cylinder cylinder mould 310 is 1.5m, hook line couch roll 317 yet arranges another vacuum tank 316 with Wiper blade 319, utilizes the page after 316 pairs of this vacuum tanks dewater by force to dewater again.The value of distance L is determined customization according to the quality requirement of page.Owing to after sheet forming, just adopt vacuum tank the last 316 to dewater immediately, need not adopt in the prior art to the slow dehydration that realizes page provides the screen cloth of growing, so can effectively reduce paper making equipment 30 length.

Utilize above-mentioned paper making equipment 10, below the lower surface 22 of closed sheet forming band 20 and near grout outlet 1131 places of head box 113, vacuum tank 116 is set, utilize the l Water Paper page or leaf that has just formed on 116 pairs of closed sheet forming bands 20 of vacuum tank to carry out strong processed, so that the moisture content in the l Water Paper page or leaf reduces rapidly, so can reduce the free charge quantity in the slurry, and then it is poly-to reduce fleeces, improved the page uniformity, and need not to make the speed of a motor vehicle that reduces paper equipment 10, thereby guaranteed the papermaking output of paper making equipment.Further, utilize above-mentioned paper making equipment 10 to realize the papermaking of low concentration slurries, and can guarantee the uniformity of page.

Claims

1. paper making equipment, comprise sheet forming mechanism, it is characterized in that: sheet forming mechanism comprises stepped diffuser, doctor-roll, head box, screen cloth, screen cloth roller, vacuum tank, hook line couch roll, stepped diffuser is communicated with head box, slurry is transported to head box, and doctor-roll is arranged in the head box; Screen cloth forms closed sheet forming band by screen cloth roller, hook line couch roll, head box is arranged on a side of closed sheet forming band, and the grout outlet of head box matches with the part upper surface of closed sheet forming band and contacts, form the l Water Paper page or leaf with the upper surface that slurry is sprayed at closed sheet forming band, vacuum tank is arranged on the below of the lower surface of closed sheet forming band, and vacuum tank is near head box, by strong dewatering type the l Water Paper page or leaf is dewatered.

2. paper making equipment according to claim 1, it is characterized in that: paper making equipment also comprises profiled sheeting, Wiper blade, closed sheet forming band has rake, head box is arranged on a side of the rake of closed sheet forming band, and the grout outlet of head box matches with the ramp of rake and contacts, vacuum tank, profiled sheeting are arranged on the lower inclined plane of rake, and profiled sheeting is near the grout outlet of head box.

3. paper making equipment according to claim 2, it is characterized in that: the tilt angle ranges value of the rake of closed sheet forming band is 10 °～40 °.

4. paper making equipment according to claim 1, it is characterized in that: the fixed form of doctor-roll, head box, screen cloth roller, vacuum tank, hook line couch roll, profiled sheeting, Wiper blade is that metal frame is fixed.

5. paper making equipment according to claim 1, it is characterized in that: drying cylinder mechanism is arranged on sheet forming mechanism upper left side, and drying cylinder mechanism comprises felt, felt roller, lifts roller, big drying cylinder, vacuum tank, low pressure sparge pipe, hook line carrying roller, sticking paper bowl; Felt by the felt roller, lift roller, hook line carrying roller, sticking paper bowl forms the page drying belt, wherein, sticking paper bowl is positioned at directly over the hook line couch roll, lifts roller, hook line carrying roller near big drying cylinder setting.

6. paper making equipment according to claim 1, it is characterized in that: paper making equipment also comprises profiled sheeting, Wiper blade, profiled sheeting, Wiper blade are successively near the grout outlet setting of head box, and vacuum tank is between profiled sheeting, Wiper blade.

7. paper making equipment according to claim 1, it is characterized in that: the distance L of the net-fault point of vacuum tank and sheet forming mechanism is 0.5～4m.

8. paper making equipment according to claim 1 is characterized in that: a vacuum tank also is set between hook line couch roll and the Wiper blade.