CN208328542U - A kind of mthod of white water from paper making recovery system - Google Patents
A kind of mthod of white water from paper making recovery system Download PDFInfo
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- CN208328542U CN208328542U CN201820796816.3U CN201820796816U CN208328542U CN 208328542 U CN208328542 U CN 208328542U CN 201820796816 U CN201820796816 U CN 201820796816U CN 208328542 U CN208328542 U CN 208328542U
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Abstract
The utility model discloses a kind of mthod of white water from paper making recovery systems, including plain boiled water water supply pump and the more disk filters of plain boiled water, including conical save-all, turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump, the plain boiled water water supply pump is connected to by liquid supply pipe with the more disk filters of plain boiled water with conical save-all, the more disk filters of plain boiled water are multistage filtering machine, and the turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump pass through connecting tube respectively and connect with the more disk filters of plain boiled water.Compared with prior art, the utility model realizes the cascade utilization of white water recycle, loss and the production cost for greatly reducing fiber, reduce discharge of wastewater, reduce environmental pollution, solve the problems, such as that paper machine spray water resource waste is deficient, in recycling slurry and chemicals consumption is reduced, reduces waste residue yield, sewage treatment plant is reduced and handles load, the degree of automation is improved, reducing the various aspects such as operator's quantity has remarkable result.
Description
Technical field
The utility model relates to a kind of Sewage treatment technology more particularly to a kind of mthod of white water from paper making recovery systems.
Background technique
Foreword: with development in recent years, country eliminates small paper machine, domestic equipment manufacturer's centering high-speed paper machine
Introduction, absorption, digestion, domestic high speed toilet paper machine is more and more mature, and price declines to a great extent compared to foreign paper machine, so defending
The paper machine of Sheng Zhi manufacturing enterprise is fast-developing to high speed paper machine.As country is increasingly stringenter water intaking, drainage index, force
Manufacturing enterprise must be handled the plain boiled water generated in production process, and a large amount of reuses, what mthod of white water from paper making recovery system used
Main equipment mainly uses air-flotation type plain boiled water time, gravity type precipitation apparatus.It is especially now new but since paper for daily use is quantitative low
Project almost all is built using high speed toilet paper machine, to the water quality requirement height of paper machine shower water.Gravity type precipitation apparatus
Seldom used in paper for daily use project.
The advantages of air-flotation type white water recycle equipment: equipment price is lower, and domestic equipment is highly developed.
The shortcomings that air-flotation type white water recycle equipment: occupation area of equipment is big;System complex;It needs to be added in equipment running process
Chemicals, operating cost are high;Contain chemicals in recycling slurry, toilet paper production line can not be back to;Contain in recycling slurry
A large amount of bubbles, which are back to other paper, is also not particularly preferred raw material;Treated, and plain boiled water only has a kind of filtrate, actual motion mistake
Clear filtrate concentration is not available in 60-70ppm or so, paper machine HP shower in journey, and flushing water, which uses, will also increase filtering
It could be used after device;Since portion cannot use clear filtrate, causes a large amount of clear filtrates to drain into sewage treatment plant, not only increase
The load of sewage treatment plant, and increase the loss of fiber.
Utility model content
The purpose of this utility model, which is that, provides a kind of mthod of white water from paper making recovery system for solving the above problem.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of mthod of white water from paper making recovery system, including
Plain boiled water water supply pump and the more disk filters of plain boiled water, including conical save-all, turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate slot
Tank, recovery pump, the plain boiled water water supply pump are connected to by liquid supply pipe with the more disk filters of plain boiled water with conical save-all, the plain boiled water
More disk filters are multistage filtering machine, and the turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump are led to respectively
It crosses connecting tube to connect with the more disk filters of plain boiled water, the turbid filtrate groove tank is connected to by recovery tube with liquid supply pipe, the clear filter
Liquid bath tank is connected to by recovery tube with paper machine rinse-system, and extra filtrate passes through the direct outlet of recovery tube, the super clear filtrate slot
Tank is connected to by recovery tube with paper machine spray system, and the recovery pump is connected to by recovery tube with stock mixing system.
Preferably, the more disk filters of plain boiled water are equipped with turbid filtrate (liquid, clear filtrate exports, super clear filtrate goes out
Mouth, the outlet of recycling slurry, the turbid filtrate groove tank are connect by connecting tube with turbid filtrate (liquid, and the clear filtrate groove tank passes through connection
Pipe is connected with clear filtrate outlet, and the super clear filtrate groove tank is connected by connecting tube and the outlet of super clear filtrate, and the recovery pump is logical
Cross connecting tube and the outlet connection of recycling slurry.
Preferably, the more disk filters of plain boiled water and turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, time
The connecting tube received between pump is equipped with check valve and vacuum meter.
Preferably, being equipped with suction pump on the recovery tube.
Preferably, the connection type of the liquid supply pipe, drainpipe and above equipment is all made of seamless welding.
Compared with the prior art, the advantages of the utility model are: the utility model realizes the step benefit of white water recycle
With, greatly reduce loss and the production cost of fiber, reduce discharge of wastewater, reduce environmental pollution, solve paper machine spray
The problem of water drenching wasting of resources scarcity, the more disk filters of plain boiled water need to use import equipment, although price is with respect to shallow air-floatation height
It is some, but in recycling slurry and chemicals consumption is reduced, waste residue yield is reduced, sewage treatment plant is reduced and handles load,
The degree of automation is improved, the various aspects such as operator's quantity is reduced and saves very high expense.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Specific embodiment
The utility model is described in further detail below.
Embodiment 1: referring to Fig. 1, a kind of mthod of white water from paper making recovery system, including plain boiled water water supply pump and the more disk filtrations of plain boiled water
Machine, it is characterised in that: described white including conical save-all, turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump
Water water supply pump is connected to by liquid supply pipe with the more disk filters of plain boiled water with conical save-all, and the more disk filters of plain boiled water are more
Grade filter, the turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump passes through connecting tube respectively and plain boiled water is more
Disk filter connection, the turbid filtrate groove tank are connected to by recovery tube with liquid supply pipe, and the clear filtrate groove tank passes through recovery tube
It is connected to paper machine rinse-system, extra filtrate passes through recovery tube and paper by the direct outlet of recovery tube, the super clear filtrate groove tank
The connection of machine spray system, the recovery pump are connected to by recovery tube with stock mixing system.
Multistage filtering is realized using the more disk filters of plain boiled water, and three kinds of filtrates can be divided into filtrate, super clear filtrate
Concentration can reach within 20ppm, fully meet the high-pressure spraying quality of water index request of high speed toilet paper machine, shallow gas
Floating clear filtrate is not to be able to satisfy high-pressure spraying water water quality indicator;Clear filtrate can be back to the Low-pressure spray punching of paper machine
It washes, sewage treatment plant is drained into outside extra clear filtrate;It is for re-filtering that turbid filtrate fully enters the more disks of plain boiled water, substantially reduces
The loss of fiber.The more disks of plain boiled water do not need that any chemicals is added during processing, therefore recycle and do not contain in slurry
Any chemicals, and it is attached to fiber surface without bubble, production cost can be substantially reduced with fully recovering in production line.
When not designing conical save-all, lead to want discharge unit when operating normally treated clear filtrate, the period of avoiding the peak hour is big
Amount discharge clear filtrate, leads to water consumption per ton production 20m3/ t paper, pulpboard 1.08t/t paper;Therefore plain boiled water tower is devised, plain boiled water tower is main
The dilute plain boiled water generated when avoiding the peak hour and be beaten for storing, while guaranteeing that the plain boiled water amount used for the more disk filters of plain boiled water is stablized not
Become;Ton paper water consumption has been reduced to 10.5m after the system puts into operation3/ t paper, ton paper consumption pulpboard are reduced to 1.06t/t paper or so, sewage
Treatment plant's sewage load and quantity of wastewater effluent reduce by 19.38 ten thousand m3/ a, waste sludge discharge amount are reduced: 2448t/a (15% mass dryness fraction
Meter), the expense quantity of slag obviously greatly reduces, and considerably increases the competitiveness of enterprise product.
When work, kowtow rear stock tank bed course slurry from plain boiled water tower mthod of white water from paper making, standby slurry system and turbid filtrate enter in proportion it is white
The more disk filter material feeding box of water, the super clear filtrate generated after the more disk filter processing of plain boiled water, turbid filtrate, return at clear filtrate
It receives slurry and enters corresponding groove tank, super clear filtrate is sprayed for paper machine, and clear filtrate is rinsed for paper machine, outside redundance overflow
Row, turbid filtrate reenter system, and recycling slurry goes standby slurry system mud pit for papermaking.
The height of vacuum degree and water leg that the more disks of plain boiled water generate has a close relationship, and water leg more condition of high vacuum degree more
Greatly, but designer is certain it is noted that the more disks of plain boiled water are not that the higher the better for vacuum degree, and too high to will cause plain boiled water mostly round
It is difficult to practise usury slurry;Such as using bamboo pulp as raw material production and living paper production line, the more disk water legs of the plain boiled water used are generally highly needed
Between 6.5-8.0m, 7.0m is best water leg height for control, and this requires want heel distance when the design more disk podium levels of plain boiled water
Water sealed tank page height and water leg, which highly combine, carrys out computing platform height.
The more disk filters of plain boiled water are equipped with turbid filtrate (liquid, clear filtrate outlet, the outlet of super clear filtrate, recycle and starch out
Mouthful, the turbid filtrate groove tank is connect by connecting tube with turbid filtrate (liquid, and the clear filtrate groove tank passes through connecting tube and clear filtrate
Outlet connection, the super clear filtrate groove tank by connecting tube and super clear filtrate outlet connect, the recovery pump by connecting tube with
The outlet connection of recycling slurry.
The vacuum of the more disk filters of plain boiled water is the vacuum for flowing through water leg by filtrate and generating, and the vacuum of no any auxiliary is set
It is standby, so the connection type of water leg pipeline is most important, even local pipe gas leakage can all make the vacuum degree of the more disks of plain boiled water
At influence, so that the concentration of filtrate is influenced, so the connection type of liquid supply pipe, drainpipe and above equipment is all made of seamless welding
Mode cannot use flanged joint.
The more disk filters of plain boiled water and turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, between recovery pump
Connecting tube is equipped with check valve and vacuum meter, and the anti-backflow of check valve influences vacuum degree in the more disk filters of plain boiled water, vacuum meter
Carry out vacuum degree measurement, it is ensured that environment stable operation in the more disk filters of plain boiled water.
It is equipped with suction pump on the recovery tube, liquid material is pumped to designated position.The addition of the more disk bed course slurries of plain boiled water
There are two types of modes for point, and one is the inlet pipeline that plain boiled water solution feed pump is added, another mode is added in plain boiled water solution feed pump
Outlet conduit;It is certain it is noted that plain boiled water confession must be taken into consideration in the lift selection of bed course stock pump when the inlet pipeline of plain boiled water solution feed pump is added
Liquid pump takes the static pressure generated when liquid plain boiled water tower highest liquid level;It is added in the outlet conduit of white liquor pump, it is certain it is noted that bed course starches pipeline
It to be accessed in the horizontal segment of white water piping along pipeline flow-direction direction oblique cutting, plain boiled water otherwise can occur and flow backward bed course slurry pipe, Wu Fajia
Enter bed course slurry.
The disadvantage is that, the domestic more disks of plain boiled water also prematurity, the manufacturing enterprises such as corrugated paper, boxboard, white board can be with
It uses, cannot be met the requirements in paper for daily use project, compared to foreign technology there are also to be hoisted, so cost opposite can mention
It is high.
Exhaustive presentation has been carried out to a kind of mthod of white water from paper making recovery system provided by the utility model above, it is used herein
Specific case is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help
Understand the method and its core concept of the utility model;At the same time, for those skilled in the art, according to the utility model
Thought, there will be changes in the specific implementation manner and application range, and the change and improvement to the utility model will be
It is possible, the conception and scope without exceeding accessory claim defined, in conclusion the content of the present specification should not be understood
For limitations of the present invention.
Claims (4)
1. a kind of mthod of white water from paper making recovery system, including plain boiled water water supply pump and the more disk filters of plain boiled water, it is characterised in that: including white
Conical settling tank, turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump, the plain boiled water water supply pump and conical save-all
It is connected to by liquid supply pipe with the more disk filters of plain boiled water, the more disk filters of plain boiled water are multistage filtering machine, the turbid filtrate
Groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump pass through connecting tube respectively and connect with the more disk filters of plain boiled water, described
Turbid filtrate groove tank is connected to by recovery tube with liquid supply pipe, and the clear filtrate groove tank is connected to by recovery tube with paper machine rinse-system,
By the direct outlet of recovery tube, the super clear filtrate groove tank is connected to by recovery tube with paper machine spray system extra filtrate, described
Recovery pump is connected to by recovery tube with stock mixing system.
2. a kind of mthod of white water from paper making recovery system according to claim 1, it is characterised in that: the more disk filters of plain boiled water
It is equipped with turbid filtrate (liquid, clear filtrate outlet, the outlet of super clear filtrate, the outlet of recycling slurry, the turbid filtrate groove tank passes through connecting tube
It is connect with turbid filtrate (liquid, the clear filtrate groove tank is connected by connecting tube and clear filtrate outlet, and the super clear filtrate groove tank is logical
It crosses connecting tube and the outlet of super clear filtrate connects, the recovery pump passes through connecting tube and the outlet connection of recycling slurry.
3. a kind of mthod of white water from paper making recovery system according to claim 1, it is characterised in that: the more disk filters of plain boiled water
Connecting tube between turbid filtrate groove tank, clear filtrate groove tank, super clear filtrate groove tank, recovery pump is equipped with check valve and vacuum meter.
4. a kind of mthod of white water from paper making recovery system according to claim 1, it is characterised in that: be equipped with pumping on the recovery tube
Water pump.
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CN201820796816.3U CN208328542U (en) | 2018-05-25 | 2018-05-25 | A kind of mthod of white water from paper making recovery system |
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CN201820796816.3U CN208328542U (en) | 2018-05-25 | 2018-05-25 | A kind of mthod of white water from paper making recovery system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110424175A (en) * | 2019-09-04 | 2019-11-08 | 牡丹江恒丰纸业股份有限公司 | A kind of system and method handling paper machine white water and clear water |
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2018
- 2018-05-25 CN CN201820796816.3U patent/CN208328542U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110424175A (en) * | 2019-09-04 | 2019-11-08 | 牡丹江恒丰纸业股份有限公司 | A kind of system and method handling paper machine white water and clear water |
CN110424175B (en) * | 2019-09-04 | 2024-04-30 | 牡丹江恒丰纸业股份有限公司 | System and method for treating white water and clean water of paper machine |
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