CN105060652A - Papermaking waste water treatment system - Google Patents
Papermaking waste water treatment system Download PDFInfo
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- CN105060652A CN105060652A CN201510533613.6A CN201510533613A CN105060652A CN 105060652 A CN105060652 A CN 105060652A CN 201510533613 A CN201510533613 A CN 201510533613A CN 105060652 A CN105060652 A CN 105060652A
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Abstract
The invention discloses a papermaking waste water treatment system. The papermaking waste water treatment system comprises a buffer pool, an oblique filter screen, a grit chamber, a high-speed filtering pool, a broken ice condensation pool, a rotary absorption pool, an aeration basin, a regulating pool, a biochemical reaction pool, a secondary sedimentation pool, a detention pool, an artificial fish pond, a water storage pool, a mud sump, a belt filter press and the like. The temperature in the broken ice condensation pool is subzero 5-15 DEG C. The removal rate of chemical oxygen demand of papermaking waste water treated by the system is up to 97.9%, the total nitrogen removal rate is up to 96.3%, the removal rate of the five-day chemical oxygen demand is up to 95.9%, the removal rate of suspended matter is up to 98.6%, the chroma removing rate is 98.1%, and the turbidity removal rate is up to 99.8%.
Description
Technical field
This practicality invention relates to a kind for the treatment of system of paper waste, belongs to the water treatment field in environment protection.
Background technology
At present, in China's paper-making industrial waste water discharge, COD quantity discharged all occupies the first place of all types of industries quantity discharged, paper industry is the most serious to the pollution of water surrounding, and the matter of utmost importance of its not still China's industrial pollution caused by paper manufacturing control, Ye Shi China trade effluent carries out the matter of utmost importance of process up to standard.According to statistics, the above papermaking in county of China and county and paper products industry wastewater discharge account for 18.6% of national industrial total release, wherein process emission compliance amount and account for 49.3% of papermaking enterprise waste water total release, in waste discharge, COD accounts for 44.0% of national industrial COD total release.In recent years through unremitting effort in many ways, paper industry water prevention and cure of pollution have achieved certain achievement, although paper and paperboard production increase year by year, the COD clearance in waste discharge reduces year by year.Find out thus, the target that paper industry tentatively achieves " output increasing and pollution minimizing ", but the waste water that paper industry accounts for total emission volumn 50% not yet carries out process up to standard, wastewater pollution prevention task is also very heavy.
Paper industry, in pulping process, only utilizes the pars fibrosa in raw material, and all the other are about half left and right raw material organism and are dissolved into waste liquid and drain, and cause environmental pollution and the wasting of resources.1/6, COD and SS that China's papermaking wastewater quantity discharged accounts for trade effluent all account for 1/4, imperative to pulping wastewater treatment.
Pulp and paper industry uses water rich and influential family, is also discharge of wastewater rich and influential family.The waste water of different material, system, workshop section has very big difference, and certain treatment process is also difficult to qualified discharge after wastewater treatment or reuse separately, so how find optimum handling system according to the characteristic of waste water and combination seems particularly important.In addition, the comprehensive utilization of water-saving technology and waste water is also more popular solution paper making water and method of wastewater treatment.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind for the treatment of system of paper waste, system comprises Buffer Pool, tiltedly filter screen, settling pit, high-speed filter, trash ice condensation pond, Rotary adsorption pond, aeration tank, equalizing tank, biochemical reaction tank, second pond, stop pond, artificial fish pond, tank, storage basin, belt filter press, paper mill factory effluent enters the water inlet of Buffer Pool by pipeline, the water outlet of Buffer Pool connects the water inlet of oblique filter screen by pipeline, the water outlet of oblique filter screen connects the water inlet of settling pit by pipeline, the water outlet of settling pit connects the water inlet of high-speed filter by pipeline, the water outlet of high-speed filter connects the water inlet in trash ice condensation pond by pipeline, the water outlet in trash ice condensation pond connects the water inlet in Rotary adsorption pond by pipeline, the water outlet in Rotary adsorption pond connects the water inlet of aeration tank by pipeline, the water outlet of aeration tank connects the water inlet of equalizing tank by pipeline, the water outlet of equalizing tank connects the water inlet of biochemical reaction tank by pipeline, the water outlet of biochemical reaction tank connects the water inlet of second pond by pipeline, the water outlet of second pond connects the water inlet stopping pond by pipeline, the water outlet stopping pond connects the water inlet in artificial fish pond by pipeline, the water outlet in artificial fish pond connects the water inlet of tank by pipeline, first water outlet of tank returns paper system by pipeline, tank second water outlet connects discharge tube, the mud discharging mouth of aeration tank connects the first mud inlet of storage basin by pipeline, the mud discharging mouth of second pond connects the second mud inlet of storage basin by pipeline, the mud discharging mouth of storage basin connects the mud inlet of belt filter press by travelling belt, wherein, the global design of artificial fish pond is skeleton construction, aeration opening is left in bottom, aeration opening is connected with pool wall by pvc pipe, and pvc pipe mouth diameter is 4cm, establishes 8 aeration opening altogether, river bottom mud 40cm is covered bottom artificial fish pond, plant pasture and water in bed mud, the depth of water 3 meters, in water, drop into loach and goldfish fry, adopt macrofiber filtrate assembly in high-speed filter, assembly one end is fixed on pool wall, and freely, the long 1m of fiber, diameter is 35 μm, porosity 97%, specific surface area 8000m in one end
2/ m
3, establish 4 groups altogether, often group is made up of 1000 fibers, is provided with back flushing inlet mouth and back flushing water-in outside pool wall, be provided with 4 spiral stirrers in Rotary adsorption pond, the flabellum of spiral stirrer is provided with electrode, flabellum access 220v power supply, and on flabellum, voltage control is between 10v-15v, the external refrigerator in trash ice condensation pond and ice crusher, adding 1t clear water in ice crusher, can to obtain volume be 0.5cm
3-1cm
3trash ice, trash ice enters trash ice condensation pond by travelling belt, and be provided with two whipping apptss bottom trash ice condensation pond, centre is provided with ice wall, and trash ice condensation pond internal thermometer, under meter, pressure warning unit, level indicator, the temperature in trash ice condensation pool equipment is subzero 5-15 DEG C.
Wherein, the backwash mode adopting aqueous vapor to combine in high-speed filter.
Wherein, Rotary adsorption pond pool wall is cement structures, and is brushed with insulation compound.
Wherein, trash ice condensation pool equipment outer wall parcel heat-insulating heat-preserving material.
The invention has the advantages that:
(1) advanced technology, maturation, adaptable to change of water quality, stable, can ensure that effluent quality reaches the requirement that factory uses standard and national wastewater discharge standard.Reduce initial cost and working cost, save floor space and reduce energy consumption.Easy handling, flexible operation and be convenient to management.Be easy to realize automatic control, improve operational administrative level.At utmost reduce the detrimentally affect (smell, noise, aerosol etc.) to surrounding environment.
(2), in the paper waste by native system process, the clearance of chemical oxygen demand (COD) reaches 97.9%; The clearance of total nitrogen reaches 96.3%, and the clearance of five-day BOD reaches 95.9%, and the clearance of suspended substance reaches 98.6%, chroma removal rate 98.1%, turbidity removal rate 99.8%.
(3) high-speed filter adopts macrofiber to eliminate the component of extruding and restriction fiber relative position, and scetion utilization is improved, device structure simplifies greatly, more convenient to operate, assembly processing is more convenient, operating troubles subtracts.
(4) native system adopts low-energy-consumptienvironment-friendlyhigh-precision environment-friendlyhigh-precision trash ice condensation pool equipment, it appears in papermaking wastewater treatment system and serves innovation effect, the organism that difficulty exclusive in paper waste is removed and the removal effect of small solid suspended substance obvious, and equipment investment cost is little, and structure is simple, add without chemical reagent, inside water can be recycled, without the need to process, easy to operate, practical rate is high, fully automated process.
Accompanying drawing explanation
Fig. 1 is the treatment system schematic diagram of paper waste
The oblique filter screen of 1-Buffer Pool, 2-, 3-settling pit, 4-high-speed filter, 5-trash ice condensation pond, 6-Rotary adsorption pond, 7-aeration tank, 8-equalizing tank, 9-biochemical reaction tank, 10-second pond, 11-stop pond, the artificial fish pond of 12-, 13-tank, 14-storage basin, 15-belt filter press.
Fig. 2 is the schematic diagram in trash ice condensation pond
51-ice crusher, 52-refrigerator, 53-whipping appts, 54-under meter, 55-pressure warning unit, 56-level indicator, 57-thermometer, 58-ice wall.
Fig. 3 is the schematic diagram of high-speed filter
41-back flushing inlet mouth, 42-back flushing water-in, 45-macrofiber filtrate.
Embodiment
As shown in Figure 1, a treatment system for paper waste, this system comprises Buffer Pool 1, tiltedly filter screen 2, settling pit 3, high-speed filter 4, trash ice condensation pond 5, Rotary adsorption pond 6, aeration tank 7, equalizing tank 8, biochemical reaction tank 9, second pond 10, stops pond 11, artificial fish pond 2, tank 13, storage basin 14, belt filter press 15.Paper mill factory effluent enters the water inlet of Buffer Pool 1 by pipeline, the water outlet of Buffer Pool 1 connects the water inlet of oblique filter screen 2 by pipeline, the water outlet of oblique filter screen 2 connects the water inlet of settling pit 3 by pipeline, the water outlet of settling pit 3 connects the water inlet of high-speed filter 4 by pipeline, the water outlet of high-speed filter 4 connects the water inlet in trash ice condensation pond 5 by pipeline, the water outlet in trash ice condensation pond 5 connects the water inlet in Rotary adsorption pond 6 by pipeline, the water outlet in Rotary adsorption pond 6 connects the water inlet of aeration tank 7 by pipeline, the water outlet of aeration tank 7 connects the water inlet of equalizing tank 8 by pipeline, the water outlet of equalizing tank 8 connects the water inlet of biochemical reaction tank 9 by pipeline, the water outlet of biochemical reaction tank 9 connects the water inlet of second pond 10 by pipeline, the water outlet of second pond 10 connects the water inlet stopping pond 11 by pipeline, the water outlet stopping pond 11 connects the water inlet in artificial fish pond 12 by pipeline, the water outlet in artificial fish pond 12 connects the water inlet of tank 13 by pipeline, the first water outlet that recirculation stores 13 ponds connects paper manufacturing systems system, tank second water outlet connects discharge tube, the mud discharging mouth of aeration tank 7 connects the first mud inlet of storage basin 14 by pipeline, the mud discharging mouth of second pond 10 connects second mud inlet in storage mud 14 pond by pipeline, the mud discharging mouth of storage basin 14 connects the mud inlet of belt filter press 15 by travelling belt.Wherein, artificial fish pond 12 global design is skeleton construction, aeration opening is left in bottom, aeration opening is connected with pool wall by pvc pipe, and pvc pipe mouth diameter is 4cm, establishes 8 aeration opening altogether, imitated river bottom mud 40cm is covered bottom artificial fish pond 12, plant pasture and water in bed mud, the depth of water 3 meters, in water, drop into loach and goldfish fry.Macrofiber filtrate 45 assembly is adopted in high-speed filter 4, assembly one end is fixed on pool wall, one end freely, the long 1m of fiber, diameter is 35 μm, porosity 97%, specific surface area 8000m2/m3, establish 4 groups altogether, often group is made up of 1000 fibers, is provided with backwash gas import 41 and backwashing water import 42 outside pool wall.In Rotary adsorption pond, 6 are provided with 4 spiral stirrers, and the flabellum of spiral stirrer is provided with electrode, and flabellum access 220v power supply, on flabellum, voltage control is between 10v-15v.The external refrigerator 52 of trash ice condensation pond 5 equipment and ice crusher 51, add 1t clear water in ice crusher 51 and directly can obtain trash ice, trash ice volume is 0.5cm3-1cm3, trash ice enters trash ice condensation pond 5 by travelling belt, whipping appts 53 two is provided with bottom trash ice condensation pond 5, centre is provided with ice wall 58, ice wall 58 center is provided with rotational power plant, and trash ice condensation pond 5 equipment internal thermometer 57, under meter 54, pressure warning unit 55, level indicator 56, the temperature in the equipment of trash ice condensation pond 5 is subzero 5-15 DEG C.
Paper mill factory effluent flows into Buffer Pool 1, arranges oblique filter screen 2 in Buffer Pool 1, and with size of damming at the several millimeters of trickle suspending sundries to tens of milliseconds, flow into settling pit 3 afterwards, horizontal-flow grit chamber selected by settling pit 3, filters out the impurity such as the silt in waste water, waste water flows into high-speed filter 4 by pipeline after settling pit 3 flows out, and the suspended particulate in pond, along with fluid flowing transport, adheres to macrofiber filtrate 45 surface and removes from water, filtering after terminating, carry out the back flushing of air water association type, in trash ice condensation pond 5, freezed by refrigerator 52, the instant water in the ice wall 58 in trash ice condensation pond 5 is made to become ice, and keep the homo(io)thermism in pond at subzero 5-15 DEG C, in external ice crusher 51, clear water is added by Long-distance Control, clear water in ice crusher 51 inside by Automatic-cooling, form ice cube, and by the ice crushing function of ice crusher 51, ice cube is manufactured trash ice, the travelling belt that trash ice is connected by ice crusher 51 is sent in pond, whipping appts 53 starts to stir, in this process, trash ice fully mixes with waste water, some organism can freeze with trash ice, wheelwork and the whipping appts 53 at Bing Qiang 58 center start simultaneously, wheelwork makes ice wall 58 rotate, in rotary course, ice wall 58 contacts under the effect of buoyancy with gravity with trash ice, trash ice is frozen on ice wall 58, by ice wall 58, trash ice is reclaimed, the difficult suspended substance removed and the low organism of freezing point can be removed by this method, by the electrostatic that electrode produces in Rotary adsorption pond 6, be difficult in planar water remove fiber, the materials such as hemicellulose, make its by electrostatic interaction adsorb by flabellum, Rotary adsorption pond 6 pool wall is cement structures, and is brushed with insulation compound, waste water is after Rotary adsorption pond 6 processes, and with pump, waste water is squeezed into aeration tank 7, waste water is aeration decomposing organic matter in pond, waste water, behind aeration tank 7, flows into equalizing tank 8, the larger molecular organics of difficult degradation is decomposed into the small organic molecule or CO that are easy to degrade
2and H
2o, improves the biodegradability of sewage greatly, waste water flows into biochemical reaction tank 9, and the organism in waste water, under aerobic conditions, is decomposed into CO by aerobic bacteria
2and H
2o, thus removing organism, waste water is after biochemical treatment, and gravity flow enters second pond 10, and the microbial film that the biochemical treatment stage comes off carries out precipitate and separate at this, and supernatant is discharged, and base sludge enters storage basin 14, and partial sludge is back to equalizing tank 8, further advanced treatment is carried out for waste water in artificial fish pond 12, carries out oxygenolysis by operations such as plant absorption effect and biological degradations to pollutents such as the organism in waste water and P contained compounds, excess sludge pump in aeration tank 7 and second pond 10 is squeezed into belt filter press 15 and is dewatered, to reduce sludge treatment volume.
Claims (4)
1. the treatment system of a paper waste, it is characterized in that, this system comprises Buffer Pool, tiltedly filter screen, settling pit, high-speed filter, trash ice condensation pond, Rotary adsorption pond, aeration tank, equalizing tank, biochemical reaction tank, second pond, stop pond, artificial fish pond, tank, storage basin, belt filter press etc., paper mill factory effluent is by the water inlet of pipeline Connection Pool, the water outlet of Buffer Pool connects the water inlet of oblique filter screen by pipeline, the water outlet of oblique filter screen connects the water inlet of settling pit by pipeline, the water outlet of settling pit connects the water inlet of high-speed filter by pipeline, the water outlet of high-speed filter connects the water inlet in trash ice condensation pond by pipeline, the water outlet in trash ice condensation pond connects the water inlet in Rotary adsorption pond by pipeline, the water outlet in Rotary adsorption pond connects the water inlet of aeration tank by pipeline, the water outlet of aeration tank connects the water inlet of equalizing tank by pipeline, the water outlet of equalizing tank connects the water inlet of biochemical reaction tank by pipeline, the water outlet of biochemical reaction tank connects the water inlet of second pond by pipeline, the water outlet of second pond connects the water inlet stopping pond by pipeline, the water outlet stopping pond connects the water inlet in artificial fish pond by pipeline, the water outlet in artificial fish pond connects the water inlet of tank by pipeline, first water outlet of tank returns paper system by pipeline, tank second water outlet connects discharge tube, the mud discharging mouth of aeration tank connects the first mud inlet of storage basin by pipeline, the mud discharging mouth of second pond connects the second mud inlet of storage basin by pipeline, the mud discharging mouth of storage basin connects the mud inlet of belt filter press by travelling belt, wherein, the global design of artificial fish pond is skeleton construction, aeration opening is left in bottom, aeration opening is connected with pool wall by pvc pipe, and pvc pipe mouth diameter is 4cm, establishes 8 aeration opening altogether, river bottom mud 40cm is covered bottom artificial fish pond, plant pasture and water in bed mud, the depth of water 3 meters, in water, drop into loach and goldfish fry, adopt macrofiber filtrate assembly in high-speed filter, assembly one end is fixed on pool wall, and freely, the long 1m of fiber, diameter is 35 μm, porosity 97%, specific surface area 8000m in one end
2/ m
3, establish 4 groups altogether, often group is made up of 1000 fibers, is provided with back flushing inlet mouth and back flushing water-in outside pool wall, be provided with 4 spiral stirrers in Rotary adsorption pond, the flabellum of spiral stirrer is provided with electrode, flabellum access 220v power supply, and on flabellum, voltage control is between 10v-15v, the external refrigerator in trash ice condensation pond and ice crusher, adding 1t clear water in ice crusher, can to obtain volume be 0.5cm
3-1cm
3trash ice, trash ice enters trash ice condensation pond by travelling belt, and be provided with two whipping apptss bottom trash ice condensation pond, centre is provided with ice wall, and trash ice condensation pond internal thermometer, under meter, pressure warning unit, level indicator, the temperature in trash ice condensation pool equipment is subzero 5-15 DEG C.
2. the treatment system of paper waste according to claim 1, is characterized in that, adopts the backwash mode that aqueous vapor combines in high-speed filter.
3. the treatment system of paper waste according to claim 1, is characterized in that, Rotary adsorption pond pool wall is cement structures, and is brushed with insulation compound.
4. the treatment system of paper waste according to claim 1, is characterized in that, trash ice condensation pool equipment outer wall parcel heat-insulating heat-preserving material.
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|---|---|---|---|
| CN201510533613.6A CN105060652B (en) | 2015-08-27 | 2015-08-27 | A kind of processing system of paper waste |
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|---|---|---|---|
| CN201510533613.6A CN105060652B (en) | 2015-08-27 | 2015-08-27 | A kind of processing system of paper waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314802A (en) * | 2015-12-07 | 2016-02-10 | 杭州富阳伟文环保科技有限公司 | Livestock and poultry breeding wastewater treatment system |
| CN105366891A (en) * | 2015-12-07 | 2016-03-02 | 杭州富阳伟文环保科技有限公司 | Treatment method of livestock culture wastewater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4031800B2 (en) * | 2005-05-16 | 2008-01-09 | 三菱重工業株式会社 | Freeze-concentrated wastewater treatment equipment for reused water recovery |
| CN102040313A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Process for treating high-concentration printing and dying waste water |
-
2015
- 2015-08-27 CN CN201510533613.6A patent/CN105060652B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4031800B2 (en) * | 2005-05-16 | 2008-01-09 | 三菱重工業株式会社 | Freeze-concentrated wastewater treatment equipment for reused water recovery |
| CN102040313A (en) * | 2010-09-27 | 2011-05-04 | 常熟市福亿印花炼染有限公司 | Process for treating high-concentration printing and dying waste water |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314802A (en) * | 2015-12-07 | 2016-02-10 | 杭州富阳伟文环保科技有限公司 | Livestock and poultry breeding wastewater treatment system |
| CN105366891A (en) * | 2015-12-07 | 2016-03-02 | 杭州富阳伟文环保科技有限公司 | Treatment method of livestock culture wastewater |
| CN105314802B (en) * | 2015-12-07 | 2018-02-09 | 杭州富阳伟文环保科技有限公司 | A kind of processing system of livestock breeding wastewater |
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| CN105060652B (en) | 2017-06-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Jianwen Inventor before: Ye Cheng |
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| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170602 Address after: 523000 Guangdong city of Dongguan Province Huang Chung Chudo town village Applicant after: DONGGUAN JINZHOU PAPER INDUSTRY Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170602 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: Ma Shi Jie, Shangcheng District in Hangzhou city Zhejiang province 310012 155 unit 2, Room 401 Applicant before: HANGZHOU QICHENG SCIENCE & TECHNOLOGY Co.,Ltd. |
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