CN208022841U - A kind of decorating base paper plain boiled water device for cleansing and recycling - Google Patents
A kind of decorating base paper plain boiled water device for cleansing and recycling Download PDFInfo
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- CN208022841U CN208022841U CN201820252738.0U CN201820252738U CN208022841U CN 208022841 U CN208022841 U CN 208022841U CN 201820252738 U CN201820252738 U CN 201820252738U CN 208022841 U CN208022841 U CN 208022841U
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Abstract
A kind of decorating base paper plain boiled water device for cleansing and recycling is related to the technical field of the plain boiled water purification and reuse in paper-making process.The primary settling tank top of the utility model is equipped with feed inlet, and the supernatant overfall being connect with grade one filter is arranged in the side wall of primary settling tank, and the underflow outlet being connect with ultraviolet sterilization device is arranged in the bottom of primary settling tank；The top of settler connects between the side wall and grade of grade one filter, and the side wall of settler is connect with secondary filter between grade, and secondary filter is connected with each other with final stage settler, grade one filter, secondary filter and nanofiltration device and the cloth that runs in；Settler, final stage settler and ultraviolet sterilization device and the cloth that runs between grade.It realizes and improves decorating base paper plain boiled water purification efficiency, improve recycle-water quality and reclamation rate, reduce water discharge, effectively reduce plain boiled water processing cost.
Description
Technical field
The utility model is related to plain boiled water purification and the technical fields of reuse more particularly to decorating base paper in paper-making process
Plain boiled water purifies the technical field with reuse.
Background technology
Decorating base paper is process using high-quality wood pulp, titanium dioxide and kaolin as main raw material(s) by special process
Industrial special paper.Will produce a large amount of plain boiled water in its manufacturing process, the plain boiled water contain raw fibre, titanium dioxide, pigment and
Microorganism etc..
The solid suspensions such as main fiber, titanium dioxide recycled by the way of air supporting, sedimentation in plain boiled water at present, but this
A little methods are difficult to reach very high separating degree, main at present to detach air supporting or sedimentation effect by the way of adding flocculant to improve
Fruit not only increases reagent cost, and plain boiled water still contains a certain amount of solid suspension after processing, can only be used as primary recycle-water
It returns and the lower workshop section of water quality requirement is used.
And plain boiled water is during recycled, since the accumulation of microorganism causes recycle-water quickly smelly, to shadow
Paper quality and production environment are rung, mostly uses add the chemical disinfection mode of fungicide to solve the problems, such as this at present, fungicide is
Consumptive material, not only increases production cost and fungicide and its reaction product will continue to accumulate, to influence quality of reused water.
Furthermore plain boiled water raw water is mostly tap water or river water, and hardness is higher, during continuous recycled, due to water
Constantly evaporation causes hardness accumulation in device to generate fouling, and production is all made of supplement fresh water displacement plain boiled water and alleviates this problem, from
And to be greatly increased with water cost.
Invention content
The utility model provides decorating base paper plain boiled water device for cleansing and recycling and reuse method, it is therefore intended that it is former to improve decoration
Paper plain boiled water purification efficiency improves recycle-water quality and reclamation rate, reduces water discharge, effectively reduces plain boiled water processing cost.
A kind of decorating base paper plain boiled water device for cleansing and recycling, including settler, two between primary settling tank, grade one filter, grade
Grade filter, final stage settler, nanofiltration device, ultraviolet sterilization device, primary settling tank top are equipped with feed inlet, primary settling tank
Side wall the supernatant overfall that connect with grade one filter, the bottom setting of primary settling tank and ultraviolet sterilization device company are set
The underflow outlet connect；The top of settler connects between the side wall and grade of grade one filter, the side wall and two level of settler between grade
Filter connects, and secondary filter is connected with each other with final stage settler, and grade one filter, secondary filter and nanofiltration device simultaneously connect
Arrangement；Settler, final stage settler and ultraviolet sterilization device and the cloth that runs between grade.
The reuse method of decorating base paper plain boiled water device for cleansing and recycling based on the utility model, includes the following steps：
The first step：Not pretreated decorating base paper plain boiled water enters primary settling tank, the residence time in primary settling tank
0.5h~2h, top clear liquid enter grade one filter from supernatant overfall；
Second step：The supernatant of grade one filter is flowed into after concentration from primary settling tank, and concentrate, which enters between grade, to sink
Device drops；Wherein the operation temperature of grade one filter be 30~50 DEG C, 0.2~0.3MPa of filtration pressure difference, crossflow velocity be 3.0~
The recoil frequency of 4.5m/s, recoiling device are 5~10min, and recoil pressure difference is 0.1~0.2MPa；
Third walks：Concentrate after grade one filter concentrates residence time 0.5h~2h, top in settler between grade
Portion's clear liquid overflow enters secondary filter；
4th step：After above-mentioned top clear liquid concentrates in secondary filter, concentrate enters final stage settler；Wherein two level
The operation temperature of filter is 30~50 DEG C, 0.2~0.3MPa of filtration pressure difference, and crossflow velocity is 3.0~4.5m/s, recoiling device
Recoil frequency be 5~10min, kickback pressure be 0.1~0.2MPa；
5th step：Concentrate after secondary filter concentrates residence time 0.5h~2h in final stage settler, top
Portion's clear liquid returns to secondary filter from supernatant outlet overflow and filters again；
6th step：Settler, final stage settler bottom underflow are quantitatively discharged from outlet between primary settling tank, grade collect after
Into ultraviolet sterilization device, and residence time 0.1h~0.5h, it is then back to slurrying；
7th step：Grade one filter, secondary filter cleaner liquid collect rear portion directly as primary recycle-water, one
Part after nanofiltration device desalination be used as advanced recycle-water, 20~50 DEG C of the operation temperature of nanofiltration device, filtration pressure difference 0.6~
3.0MPa, pH=6~8.
Compared with prior art, the utility model has the beneficial effects that：SS rate of recovery > 99.9%, reuse plain boiled water in plain boiled water
SS content < 5ppm, reuse plain boiled water total hardness removal rate >=95%, the water rate of recovery 50%~95%, the further water rate of recovery exist
70%~90%.Solve the problems, such as that equipment scaling, reuse plain boiled water can need flexibly allotment for each according to water quality requirement and production
It is a to use water conservancy project section；Using physical sterilization mode, germicidal efficiency higher, non-consumptive material design reduces sterilization cost；Present apparatus water recycles
Rate is higher, fully reduces the wastewater discharge of enterprise, to effectively mitigate environmental burden；The device technique flow degree of coupling and from
Dynamicization degree is high, and device runs that stability is good, be suitable for existing decorating base paper white water treating equipment technological transformation and
Project management.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the utility model primary settling tank.
Specific implementation mode：
The preferred embodiment of the utility model is illustrated below, it should be understood that preferred embodiment described herein
It is only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1, a kind of decorating base paper plain boiled water device for cleansing and recycling, including primary settling tank 1, grade one filter 2, grade
Between settler 3, secondary filter 4, final stage settler 5, nanofiltration device 6, ultraviolet sterilization device 7, the top of primary settling tank 1 is equipped with
The supernatant overfall 11 being connect with grade one filter 2, the bottom of primary settling tank 1 is arranged in feed inlet, the side wall of primary settling tank 1
The underflow outlet 12 being connect with ultraviolet sterilization device 7 is arranged in portion；The top of settler 3 between the side wall and grade of grade one filter 2
It connecting, the side wall of settler 3 is connect with secondary filter 4 between grade, and secondary filter 4 is connected with each other with final stage settler 5, and one
Grade filter 2, secondary filter 4 and nanofiltration device 6 and the cloth that runs in；Settler 3, final stage settler 5 and ultraviolet-sterilization fill between grade
Set 7 and the cloth that runs in.
The primary settling tank 1 of the utility model includes supernatant overfall 11, underflow outlet 12, tank body 13, feed inlet
14,15, distributors 16 of quadratic distribution device；Feed inlet 14 is arranged in the top of tank body 13, and the feed inlet 14 is band horn mouth
Fall to plug in central tube, set gradually 15, distributors 16 of quadratic distribution device, the quadratic distribution from top to bottom inside tank body 13
Device 15 is flat porous plate, and a distributor 16 is conical porous plate；The side wall setting supernatant of tank body 13 overflows
Mouth 11, the lower part setting underflow outlet 12 of tank body 13.
The tank body of the primary settling tank 1 of the utility model is equipped with liquid level gauge.
The grade one filter 2, secondary filter 4 of the utility model are connected by settler between grade 3, grade one filter 2, two
It is equipped with automatic backflushing device in grade filter 4；Setting precision is 30~50nm's in grade one filter 2, secondary filter 4
The core filtering material of silicon carbide material.
SS content < 5ppm in cleaner liquid in the grade one filter 2 of the utility model, secondary filter 4.
The nanofiltration device 6 of the utility model use organic nanofiltration membrane, the organic nanofiltration membrane for divalent salt rejection rate >=
95%；Chemicals dosing plant is configured in nanofiltration device 6.
The ultraviolet sterilization device 7 of the utility model uses the ultraviolet Non-polarized lamp of immersion, the ultraviolet Non-polarized lamp of immersion
Ultraviolet wavelength is 185/254nm.
The ultraviolet sterilization device 7 of the utility model be tubular type, pot type, it is box in one kind.
The ultraviolet sterilization device 7 of the utility model is equipped with feed inlet, discharge port, is internally provided with agitating device and baffling
Plate.
The reuse method of decorating base paper plain boiled water device for cleansing and recycling based on the utility model, includes the following steps：
The first step：Not pretreated decorating base paper plain boiled water enters primary settling tank 1, when being stopped in primary settling tank 1
Between 0.5h~2h, top clear liquid from supernatant overfall 11 enter grade one filter 2；
Second step：From primary settling tank 1 flow into grade one filter 2 supernatant after concentration, concentrate enters between grade
Settler 3；Wherein the operation temperature of grade one filter 2 is 30~50 DEG C, 0.2~0.3MPa of filtration pressure difference, and crossflow velocity is
The recoil frequency of 3.0~4.5m/s, recoiling device are 5~10min, and recoil pressure difference is 0.1~0.2MPa；
Third walks：Concentrate after the concentration of grade one filter 2 residence time 0.5h~2h in settler 3 between grade,
Top clear liquid overflow enters secondary filter 4；
4th step：For above-mentioned top clear liquid in secondary filter 4 after concentration, concentrate enters final stage settler 5；Wherein two
The operation temperature of grade filter 4 is 30~50 DEG C, 0.2~0.3MPa of filtration pressure difference, and crossflow velocity is 3.0~4.5m/s, recoil
The recoil frequency of device is 5~10min, and recoil pressure difference is 0.1~0.2MPa；
5th step：By secondary filter 4 concentration after concentrate in final stage settler 5 residence time 0.5h~2h,
Top clear liquid returns to secondary filter 4 from supernatant outlet overflow and filters again；
6th step：Remittance is quantitatively discharged from outlet for settler 3,5 bottom underflow of final stage settler between primary settling tank 1, grade
Enter ultraviolet sterilization device 7, and residence time 0.1h~0.5h after collection, is then back to slurrying；
7th step：Grade one filter 2, secondary filter 4 cleaner liquid collect rear portion directly as primary recycle-water,
A part is used as advanced recycle-water, 20~50 DEG C of the operation temperature of nanofiltration device 6, filtration pressure difference 0.6 after 6 desalination of nanofiltration device
~3.0MPa, pH=6~8.
In process of production, the not pretreated decorating base paper plain boiled water SS contents of the utility model are 0.8%, are delivered to just
Grade settling tank 1, settles 1h in the primary settling tank 1, top clear liquid from 11 overflow of supernatant outlet enter grade one filter 2 into
Row filtering, operation temperature are 40 DEG C, filtration pressure difference 0.2MPa, crossflow velocity 4.0m/s, and the recoil frequency of recoiling device is
5min, recoil pressure difference are 0.1MPa, and 5 times of concentrations are completed in grade one filter 2, and concentrate enters settler 3 between grade, settles
0.5h, top clear liquid enter secondary filter 4 from supernatant outlet overflow, and the operation temperature of secondary filter 4 is 40 DEG C, filtering
The recoil frequency of pressure difference 0.2MPa, crossflow velocity 4.0m/s, recoiling device are 5min, and recoil pressure difference is 0.1MPa, in two level
Complete 5 times of concentrations in filter 4, concentrate enters final stage settler 5 and settles 0.5h, and top clear liquid is from supernatant outlet overflow
Secondary filter 4 is returned to filter again；Settler 3,5 bottom underflow of final stage settler are with SS contents 10 between primary settling tank 1, grade
~15% concentration is quantitatively discharged from outlet collect after enter ultraviolet sterilization device 7, the residence time in ultraviolet sterilization device 7
0.5h is then back to slurrying；The cleaner liquid SS content < 5ppm of grade one filter 2, secondary filter 4,50% directly after collecting
As primary recycle-water, 50% enter 6 desalination of nanofiltration device after be used as advanced recycle-water, 40 DEG C of the operation temperature of nanofiltration device 6,
Filtration pressure difference 1.0MPa, the 6 water rate of recovery 90% of nanofiltration device, reuse water hardness removal rate 96%.
Claims (9)
1. a kind of decorating base paper plain boiled water device for cleansing and recycling, it is characterised in that including primary settling tank (1), grade one filter (2),
Settler (3), secondary filter (4), final stage settler (5), nanofiltration device (6), ultraviolet sterilization device (7) between grade, primary are heavy
It drops and is equipped with feed inlet at the top of tank (1), the supernatant that the side wall setting of primary settling tank (1) is connect with grade one filter (2) overflows
The underflow outlet (12) being connect with ultraviolet sterilization device (7) is arranged in mouth (11), the bottom of primary settling tank (1)；By-pass filtration
The top of settler (3) connects between the side wall and grade of device (2), and the side wall of settler (3) is connect with secondary filter (4) between grade,
Secondary filter (4) is connected with each other with final stage settler (5), grade one filter (2), secondary filter (4) and nanofiltration device (6)
And the cloth that runs in；Settler (3), final stage settler (5) and ultraviolet sterilization device (7) and the cloth that runs between grade.
2. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned primary settling tank
(1) include supernatant overfall (11), underflow outlet (12), tank body (13), feed inlet (14), quadratic distribution device (15), one
Secondary distributor (16)；The top setting feed inlet (14) of tank body (13), the feed inlet (14) are to fall to insert center with bell-mouthed
Pipe, tank body (13) is internal to set gradually quadratic distribution device (15), a distributor (16), the quadratic distribution device from top to bottom
(15) it is flat porous plate, a distributor (16) is conical porous plate；Supernatant is arranged in the side wall of tank body (13)
Overfall (11), the lower part setting underflow outlet (12) of tank body (13).
3. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned primary settling tank
(1) tank body is equipped with liquid level gauge.
4. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned grade one filter
(2), secondary filter (4) is connected by settler between grade (3), is equipped in grade one filter (2), secondary filter (4)
Automatic backflushing device；The core for the silicon carbide material that setting precision is 30~50nm in grade one filter (2), secondary filter (4)
Heart filtering material.
5. decorating base paper plain boiled water device for cleansing and recycling according to claim 4, it is characterised in that：Above-mentioned grade one filter
(2), SS content < 5ppm in secondary filter (4) interior cleaner liquid.
6. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned nanofiltration device (6)
Using organic nanofiltration membrane, the organic nanofiltration membrane is for divalent salt rejection rate >=95%；Configuration dosing dress in nanofiltration device (6)
It sets.
7. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned ultraviolet sterilization device
(7) the ultraviolet Non-polarized lamp of immersion is used, the ultraviolet wavelength of the ultraviolet Non-polarized lamp of immersion is 185/254nm.
8. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned ultraviolet sterilization device
(7) be tubular type, pot type, it is box in one kind.
9. decorating base paper plain boiled water device for cleansing and recycling according to claim 1, it is characterised in that：Above-mentioned ultraviolet sterilization device
(7) it is equipped with feed inlet, discharge port, is internally provided with agitating device and baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252738.0U CN208022841U (en) | 2018-02-12 | 2018-02-12 | A kind of decorating base paper plain boiled water device for cleansing and recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252738.0U CN208022841U (en) | 2018-02-12 | 2018-02-12 | A kind of decorating base paper plain boiled water device for cleansing and recycling |
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| Publication Number | Publication Date |
|---|---|
| CN208022841U true CN208022841U (en) | 2018-10-30 |
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| CN201820252738.0U Active CN208022841U (en) | 2018-02-12 | 2018-02-12 | A kind of decorating base paper plain boiled water device for cleansing and recycling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298747A (en) * | 2018-02-12 | 2018-07-20 | 南京圣卡孚科技有限公司 | A kind of decorating base paper plain boiled water device for cleansing and recycling and reuse method |
-
2018
- 2018-02-12 CN CN201820252738.0U patent/CN208022841U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298747A (en) * | 2018-02-12 | 2018-07-20 | 南京圣卡孚科技有限公司 | A kind of decorating base paper plain boiled water device for cleansing and recycling and reuse method |
| CN108298747B (en) * | 2018-02-12 | 2023-09-29 | 南京圣卡孚科技有限公司 | Device and method for purifying and recycling white water of decorative base paper |
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