CN202786934U - Net-part wet vacuum dewatering system used on multi-cylinder long mesh paper machine - Google Patents
Net-part wet vacuum dewatering system used on multi-cylinder long mesh paper machine Download PDFInfo
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- CN202786934U CN202786934U CN 201220459932 CN201220459932U CN202786934U CN 202786934 U CN202786934 U CN 202786934U CN 201220459932 CN201220459932 CN 201220459932 CN 201220459932 U CN201220459932 U CN 201220459932U CN 202786934 U CN202786934 U CN 202786934U
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Abstract
The utility model discloses a net-part wet vacuum dewatering system used on a multi-cylinder long mesh paper machine, belonging to the field of equipment accessories of paper machines. The net-part wet vacuum dewatering system is formed by a wet vacuum box, wherein a dewatering plate is arranged on the wet vacuum box to be contacted with a net table, the middle of the wet vacuum box is the vacuum chamber of the wet vacuum box, and the length of the area of the net-part wet vacuum dewatering system is increased by 10-15% compared with the length of the conventional net-part wet vacuum dewatering system of a multi-cylinder long mesh paper machine with equal width and speed. The net-part wet vacuum dewatering system has the advantages of being long in paper pulp retaining time, high in dewatering degree, capable of promoting ordered arrangement of paper pulp fiber and filler and good in paper sheet forming effect, thereby solving the problem that the conventional net-part wet vacuum dewatering systems are not suitable for production of paper with high high-filler paper pulp.
Description
Technical field
The utility model discloses a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, belong to paper machine equipment accessory field, be suitable for being used on the paper machine of producing high filler paper, be particularly suitable for being used in on the paper machine of active calcium silicate as high filler papermaking.
Background technology
Paper-making industry is that China Today (also being the world) consumes also one of large industry of the large and actual demand amount of Environmental costs, although Internet technology is advanced by leaps and bounds, but be accompanied by the develop rapidly of China's economic and global economy continue advance, China and the world do not change the aggregate demand of paper product, also slightly increase, demand to paper product, mean the demand to paper making pulps, and the forest growth rate of preparation paper making pulps is far below the requirement consumes speed of paper making pulps, under the constant prerequisite of paper products total output, how reducing the paper making pulps consumption, and can produce high-quality paper, has been that one global problem pendulum is in face of the mankind.
Untie early this road difficult problem, significant to China.At present, the most of dependence on import of China's paper making pulps, the import pulp amount has leapt to the first in the world, from strategic angle, the papermaking of China " with slurry " is in fact the use of " limited ", if world's wood pulp supply chain shortage in a day is arranged, China will be in the face of fearful " with slurry " exhausted problem, it is stable directly to threaten national security, the forest reserves of China are very limited, be difficult to the own paper product of reply and supply with, the China that does not analyze first today here is one of paper product state in short supply of maximum in the world still.
Based on above-mentioned, people are studying always and are seeking high filler paper production technology and production equipment thereof, in the hope of untiing early an above-mentioned difficult problem.
Paper machine is the equipment of uniting of paper making, and traditional paper machine mainly contains three types: long mesh paper making machine, cylinder mould machine, foudrinier.Wherein long mesh paper making machine is a kind of widely used paper machine type, and most paper grades of can manufacturing paper with pulp is the mainstream model of paper machine.
The wet vacuum dewatering system of long mesh paper making machine wet end is an important component part in the paper machine equipment.
As shown in Figure 1, 2, traditional web part of paper machine vacuum dewatering system that wets is equipped with dewatering plate 3 on the wet vacuum tank 2 and contacts with forming table 1, and the middle part is the vacuum tank vacuum chamber 4 that wets; When selecting high filler paper pulp to produce, there are the following problems:
1, paper pulp is short in the wet vacuum dehydration zone time of staying of wet end, and dehydration is not enough, and simultaneously, wet web is shaped relatively poor;
2, the dewatering plate of the wet vacuum dewatering system of traditional wet end is fit to slowly dehydration and the shaping of common paper pulp, when using high filler paper pulp, in whole wet vacuum dewatering system zone, the arrangement in the deficiency of dewatering plate total number and dewatering plate gap hinders the dehydration of paper pulp, cause high filler paper pulp dewatering speed slow, do not have the effect of effective promotion paper pulp fiber and filler ordered arrangement, the paper sheet formation weak effect.
How to address the above problem, be one of people's important step of successfully developing high loaded sheet machine equipment.
Summary of the invention
The purpose of this utility model provides a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it have the paper pulp time of staying long, degree of dehydration is high, can effectively promote paper pulp fiber and filler ordered arrangement, the effective characteristics of paper sheet formation.
The purpose of this utility model is achieved in that a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, the wet vacuum dewatering system of wet end is comprised of wet vacuum tank, on the wet vacuum tank dewatering plate being installed contacts with forming table, the middle part is wet vacuum tank vacuum chamber, and the wet vacuum dewatering system zone length of traditional multi-cylinder long mesh paper machine wet end of the relatively equal fabric width of the wet vacuum dewatering system zone length of wet end and the speed of a motor vehicle increases 20%-100%;
The wet vacuum dewatering system zone length of traditional multi-cylinder long mesh paper machine wet end of the relatively equal fabric width of the wet vacuum dewatering system zone length of wet end and the speed of a motor vehicle increases 50%-100%;
The quantity of the wet vacuum tank of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width of the quantity of wet vacuum tank and the speed of a motor vehicle increases 20%-100%;
The quantity of the wet vacuum tank of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width of the quantity of wet vacuum tank and the speed of a motor vehicle increases 50%-100%;
The quantity of wet vacuum tank is the 2-6 cover;
Installation interval between the wet vacuum tank is 100 millimeters-150 millimeters;
The length of wet vacuum tank is 500 millimeters-700 millimeters;
4-10 bar dewatering plate is installed above the wet vacuum tank;
The width of dewatering plate is 50 millimeters-80 millimeters.
The utility model has the advantages that: because described in the utility model a kind of for the wet vacuum dewatering system overall region lengthening of the wet end on the multi-cylinder long mesh paper machine, wet vacuum tank quantity increases, so that wet vacuum tank zone dewatering plate total quantity increases, add preferred arrangement and the selection of structure, so that system described in the utility model is more suitable in shaping and the low vacuum dehydration of high filler paper pulp at wet end, strengthened the effect of wet end low vacuum dehydration, improve the forming effect that has improved the l Water Paper page or leaf, be very suitable for high filler (as: active calcium silicate) paper pulp in dehydration and the shaping of wet end.
Increase and the structure optimization change through above-mentioned quantity, the wet vacuum dewatering system of wet end described in the utility model has significantly increased water separation capability on the basis that does not affect high filler paper paper sheet formation, simultaneously wet vacuum dewatering system microturbulence and the pulse of paper sheet formation that under the condition of fast dewatering, can not exert an influence, kept arranging the l Water Paper page or leaf of shaping, strengthened combination between the fibrage time by even fast dewatering simultaneously, further consolidate and promoted the shaping of page, solved high filler paper in the wet vacuum area dehydration of conventional paper machines difficulty, the problem of the too high and forming net serious wear of power consumption;
Because the improvement of the wet vacuum dewatering system structure of wet end described in the utility model, greatly improved the performance that multi-cylinder long mesh paper machine is produced high filler (as: calcium silicates) paper pulp, part has solved conventional paper machines and has been not suitable for problem to high filler pulp production, improved high filler paper retention in process of production, reduce the filler loss, reduced cost;
Because the change of the wet vacuum dewatering system structure of wet end described in the utility model, compare with the wet vacuum dewatering system of traditional wet end, namely can be used on the production equipment of traditional culture paper using, can be used on again on the production equipment of high filler paper using, be particularly suitable for being used on the production equipment that adds all types of paper of having filled out the high filler of active calcium silicate, high filler Cultural Paper is that plant paper pulp fiber raw material take 40%-60% is as skeleton, take the active calcium silicate of 60%-40% as papermaking filler, fertile paper mold mainly includes but not limited to following paper kind: electro-photographic paper, offset printing paper, light paper, the cultural papers such as newsprint, the quantitative scope of producing paper is 30-120g/m
2Solve the wet vacuum dewatering system of traditional wet end and be unsuitable for problem for high filler pulp production.
Description of drawings
Fig. 1 is wet vacuum box structure schematic diagram;
Fig. 2 is that the wet vacuum dewatering system of the wet end on traditional multi-cylinder long mesh paper machine uses view;
Fig. 3 is described in the utility model for the wet vacuum dewatering system use of the wet end on multi-cylinder long mesh paper machine view;
Fig. 4 is described in the utility model for the another kind of view of using of the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine;
Among the figure: wet end 1, wet vacuum tank 2, dewatering plate 3, wet vacuum tank vacuum chamber 4;
A kind ofly be described in further details for the wet vacuum dewatering system structure of the wet end on the multi-cylinder long mesh paper machine described in the utility model in conjunction with the embodiments below by accompanying drawing.
The specific embodiment
A kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, as shown in Figure 3 (or as shown in Figure 4), wet vacuum dewatering system (with comparing as shown in Figure 2) the region growing 20%-100% of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width in the wet vacuum dewatering system zone of web part of paper machine described in the utility model and the speed of a motor vehicle;
So, the quantity of the wet vacuum tank 2 of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width of quantity of wet vacuum tank 2 and the speed of a motor vehicle increases 20%-100%;
The increase of the wet vacuum tank quantity of the wet relative conventional wet vacuum system of vacuum tank 2 quantity of wet vacuum dewatering system described in the utility model is so that the total quantity of dewatering plate 3 increases on the wet vacuum dewatering system described in the utility model;
The wet vacuum dewatering system of the described wet end of present embodiment is to be made of the wet vacuum tank 2 of 2-6 cover;
As: the quantity of the wet vacuum tank 2 of traditional fourdrinier wire wire multi-cylinder paper machine is 1 cover, and the quantity of the wet vacuum tank 2 of the utility model fourdrinier wire wire multi-cylinder paper machine of equal fabric width and the speed of a motor vehicle is 2 covers; The quantity of the wet vacuum tank 2 of tradition fourdrinier wire wire multi-cylinder paper machine is 3 covers, and the quantity of the wet vacuum tank 2 of the utility model fourdrinier wire wire multi-cylinder paper machine of equal fabric width and the speed of a motor vehicle is 5 covers or 6 covers;
Installation interval between the wet vacuum tank 2 can for 100 millimeters-150 millimeters, specifically can be: 100mm, 120mm, 140mm, 150mm;
As shown in Figure 1, on the wet vacuum tank 2 dewatering plate 3 is installed and contacts with forming table 1, the middle part is wet vacuum tank vacuum chamber 4;
The length of the wet vacuum tank 2 of one cover is 500 millimeters-700 millimeters, specifically can be: 500mm, 600mm, 700mm etc.;
The above can install 4-10 bar dewatering plate 3, and the width of every dewatering plate 3 can be 50mm-80mm, specifically can be: 50mm, 60mm, 70mm, 80mm;
Content described in the utility model is not limited in the described content of present embodiment.
Used specific case herein the utility model structure and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (17)
1. wet vacuum dewatering system of wet end that is used on the multi-cylinder long mesh paper machine, the wet vacuum dewatering system of wet end is made of wet vacuum tank (2), on the wet vacuum tank (2) dewatering plate (3) being installed contacts with forming table (1), the middle part is wet vacuum tank vacuum chamber (4), it is characterized in that: the wet vacuum dewatering system zone length of traditional multi-cylinder long mesh paper machine wet end of the relatively equal fabric width of the wet vacuum dewatering system zone length of wet end and the speed of a motor vehicle increases 20%-100%.
2. as claimed in claim 1 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the wet vacuum dewatering system zone length of traditional multi-cylinder long mesh paper machine wet end of the relatively equal fabric width of the wet vacuum dewatering system zone length of wet end and the speed of a motor vehicle increases 50%-100%.
3. as claimed in claim 1 or 2 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the quantity of the wet vacuum tank (2) of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width of the quantity of wet vacuum tank (2) and the speed of a motor vehicle increases 20%-100%.
4. as claimed in claim 3 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the quantity of the wet vacuum tank (2) of traditional fourdrinier wire wire multi-cylinder paper machine of the relatively equal fabric width of the quantity of wet vacuum tank (2) and the speed of a motor vehicle increases 50%-100%.
5. such as claim 1 or 2 or 4 described a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the quantity of wet vacuum tank (2) is the 2-6 cover.
6. as claimed in claim 3 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the quantity of wet vacuum tank (2) is the 2-6 cover.
7. as claimed in claim 5 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the installation interval between the wet vacuum tank (2) is 100 millimeters-150 millimeters.
8. as claimed in claim 6 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the installation interval between the wet vacuum tank (2) is 100 millimeters-150 millimeters.
9. such as claim 1 or 2 or 4 or 6 or 7 or 8 described a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the length of wet vacuum tank (2) is 500 millimeters-700 millimeters.
10. as claimed in claim 3 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the length of wet vacuum tank (2) is 500 millimeters-700 millimeters.
11. as claimed in claim 5 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the length of wet vacuum tank (2) is 500 millimeters-700 millimeters.
12. such as claim 1 or 2 or 4 or 6 or 7 or 8 or 10 or 11 described a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: above the wet vacuum tank (2) 4-10 bar dewatering plate (3) is installed.
13. as claimed in claim 3 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: above the wet vacuum tank (2) 4-10 bar dewatering plate (3) is installed.
14. as claimed in claim 5 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: above the wet vacuum tank (2) 4-10 bar dewatering plate (3) is installed.
15. as claimed in claim 9 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: above the wet vacuum tank (2) 4-10 bar dewatering plate (3) is installed.
16. as claimed in claim 12 a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the width of dewatering plate (3) lath is 50 millimeters-80 millimeters.
17. such as claim 13 or 14 or 15 described a kind of for the wet vacuum dewatering system of the wet end on the multi-cylinder long mesh paper machine, it is characterized in that: the width of dewatering plate (3) lath is 50 millimeters-80 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459932 CN202786934U (en) | 2012-09-10 | 2012-09-10 | Net-part wet vacuum dewatering system used on multi-cylinder long mesh paper machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220459932 CN202786934U (en) | 2012-09-10 | 2012-09-10 | Net-part wet vacuum dewatering system used on multi-cylinder long mesh paper machine |
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| Publication Number | Publication Date |
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| CN202786934U true CN202786934U (en) | 2013-03-13 |
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|---|---|---|---|
| CN 201220459932 Expired - Fee Related CN202786934U (en) | 2012-09-10 | 2012-09-10 | Net-part wet vacuum dewatering system used on multi-cylinder long mesh paper machine |
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| CN (1) | CN202786934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669083A (en) * | 2012-09-10 | 2014-03-26 | 国能纸业有限公司 | Mesh wet vacuum dehydration system used for multi-cylinder long mesh paper machine |
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2012
- 2012-09-10 CN CN 201220459932 patent/CN202786934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669083A (en) * | 2012-09-10 | 2014-03-26 | 国能纸业有限公司 | Mesh wet vacuum dehydration system used for multi-cylinder long mesh paper machine |
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