CN204824539U - Paper mill waste water's processing system - Google Patents
Paper mill waste water's processing system Download PDFInfo
- Publication number
- CN204824539U CN204824539U CN201520573385.0U CN201520573385U CN204824539U CN 204824539 U CN204824539 U CN 204824539U CN 201520573385 U CN201520573385 U CN 201520573385U CN 204824539 U CN204824539 U CN 204824539U
- Authority
- CN
- China
- Prior art keywords
- connects
- pond
- pipeline
- water outlet
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a paper mill waste water's processing system, adsorb pond, air supporting pond, acidizing pond, contact oxidation tank, two heavy ponds, refluxing treatment pond, artificial wetland treatment system, recycling storage pool, store up mud sump, belt filter press including preliminary treatment catch basin, grid, grit chamber, physics filtering ponds, ice bars, electromagnetism. Temperature in the ice bars equipment is 2 -10 below zero DEG C. This system adopts low energy consumption environment -friendly ice bars equipment, and it is used and still belongs to the first time to papermaking wastewater treatment process in, the organic matter got rid of difficulty exclusive in the papermaking waste water and small -size solid -state suspended solid to get rid of the effect obvious, the interpolation of no chemical reagent. In the papermaking waste water through the processing of this system, chemical oxygen demand's clearance reaches 98.1%, the clearance that the clearance of total nitrogen reaches biochemical oxygen demand on the 97.2%, five reaches 95.1%, and the clearance of suspended solid reaches 96.1%, chroma removal rate 90.1%, and the turbidity clearance 98.8%.
Description
Technical field
The utility model relates to the treatment system of a kind of paper mill factory effluent, belongs to the water treatment field in environment protection.
Background technology
Along with the development of economy, improving constantly of standard of living, the protection of people to environment is more and more paid attention to, and according to pertinent data display, the annual quantity of wastewater effluent of China is about 3.9t, and with 1% increasing rate.China is papermaking rich and influential family, and paper waste quantity discharged is large.At present, there is large, medium and small paper mill sum more than 10000 family in China, and year, waste discharge amount was up to more than 40 hundred million m
3, account for 1/6th of national waste water total release, the BOD annual emissions in paper waste more than 200 ten thousand tons, account for national waste water always discharge in BOD 25%.
Paper industry is that energy consumption, material consumption are high, one of industry that environmental pollution is serious, and its polluting property is that wastewater discharge is large, and wherein COD, suspended substance (SS) content are high, and colourity is serious.The large-scale papermaking enterprise of current most domestic has waste water disposal facility, but the not treated direct discharge had or below standard discharge, some small-sized paper mills just do not have waste water disposal facility at all, and waste water directly enters periphery river, cause have a strong impact on to surrounding enviroment.Thus to realize the Sustainable development of paper industry, the pollution problem of paper industry must be solved comprehensively.The treatment system of paper waste is a lot, is summed up the combination mainly containing physical treatment process, method of chemical treatment, biological treatment and these 3 kinds of systems.In view of the harm of current paper waste is comparatively large and difficulty of governance is larger, therefore the comprehensive regulation of paper waste has become one of current problem needing solution badly.
Utility model content
For the deficiencies in the prior art, the utility model provides the treatment system of a kind of paper mill factory effluent, and this system comprises pre-treatment water collecting basin, grid, settling pit, physical filtering pond, ice foot, electromagnetic adsorption pond, air flotation pool, acidification pool, contact-oxidation pool, second pond, reflow treatment pond, artificial wet land treating system, recirculation storage pool, storage basin, belt filter press, paper mill factory effluent row mouth connects the water inlet of pre-treatment water collecting basin by pipeline, the water outlet of pre-treatment water collecting basin connects the water inlet of grid by pipeline, the water outlet of grid connects the water inlet of settling pit by pipeline, the water outlet of settling pit connects the water inlet of physics filtering basin by pipeline, the water outlet in physical filtering pond connects the water inlet in electromagnetic adsorption pond by pipeline, the water outlet in electromagnetic adsorption pond connects the water inlet of ice foot equipment by pipeline, the water outlet of ice foot equipment connects the water inlet of air flotation pool by pipeline, the water outlet of air flotation pool connects the water inlet of acidification pool by pipeline, the water outlet of acidification pool connects the water inlet of contact-oxidation pool by pipeline, the water outlet of contact-oxidation pool connects the water inlet of second pond by pipeline, the water outlet of second pond connects the water inlet in reflow treatment pond by pipeline, the water outlet in reflow treatment pond connects the water inlet of artificial wet land treating system by pipeline, the water outlet of artificial wet land treating system connects the water inlet of recirculation storage pool by pipeline, first water outlet of recirculation storage pool connects paper system, recirculation storage pool second water outlet connects discharge tube, the mud discharging mouth of air flotation pool 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, electromagnetic adsorption pond is divided into three parts, low-voltage region, middle voltage regime and high-voltage region, the external refrigerator of ice foot equipment, on ice foot equipment two side, some wedge shape ice foot bars are fixed at interval, and wedge shape pitch angle is 15 degree, and face of slope is provided with eyelet, eye diameter 0.3cm, each perforated interval 1cm, can be filled with the water of 1t in every root ice foot bar.
Ice foot equipment internal thermometer, under meter, pressure warning unit, level indicator.
The wedge shape ice foot bar quantity that on ice foot equipment two side, interval is fixing is 4-10 root.
The utility model has the advantage of:
(1) present treatment system adopts low-energy-consumptienvironment-friendlyhigh-precision environment-friendlyhigh-precision ice foot equipment, it is applied in paper-making effluent treating process and still belongs to the first time, 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, structure is simple, and add without chemical reagent, inner water can be recycled, without the need to process, easy to operate, practical rate is high, fully automated process.
(2), in the paper waste by native system process, the clearance of chemical oxygen demand (COD) reaches 98.1%; The clearance of total nitrogen reaches 97.2%, and the clearance of five-day BOD reaches 95.1%, and the clearance of suspended substance reaches 96.1%, chroma removal rate 90.1%, turbidity removal rate 98.8%.
(3) volume load is high, and the treatment time is short, saves floor occupying area; Biological activity is high, and has higher microorganism concn; Sludge yield is low, does not need sludge reflux; Effluent quality is good and stablize; Power consumption is low; There is not sludge bulking problem.
(4) mud decreases 4/5, significantly reduces enterprise's sludge treatment burden, substantially avoided the secondary pollution problem that mud brings.In addition, the output investment ratio conventional activated sludge process of this technology saves 20%, takes up an area saving 30%, and working cost saves 10%, and thus centering small paper mill is more with practical value.
(5) 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.
Accompanying drawing explanation
Fig. 1 is the treatment system schematic diagram of paper mill factory effluent.
1-pre-treatment water collecting basin, 2-grid, 3-settling pit, 4-physical filtering pond, 5-electromagnetic adsorption pond, 6-ice foot equipment, 7-air flotation pool, 8-acidification pool, 9-contact-oxidation pool, 10-second pond, 11-reflow treatment pond, 12-artificial wet land treating system, 13-recirculation storage pool, 14-storage basin, 15-belt filter press.
Fig. 2 is the schematic diagram of ice foot equipment.
52-refrigerator, 53-ice foot bar, 54-under meter, 55-pressure warning unit, 56-level indicator, 57-thermometer.
Embodiment
A treatment system for paper mill factory effluent as shown in Figure 1, this system comprises pre-treatment water collecting basin 1, grid 2, settling pit 3, physical filtering pond 4, electromagnetic adsorption pond 5, ice foot equipment 6, air flotation pool 7, acidification pool 8, contact-oxidation pool 9, second pond 10, reflow treatment pond 11, artificial wet land treating system 2, recirculation storage pool 13, storage basin 14, belt filter press 15.Paper mill factory effluent row mouth connects the water inlet of pre-treatment water collecting basin 1 by pipeline, the water outlet of pre-treatment water collecting basin 1 connects the water inlet of grid 2 by pipeline, the water outlet of grid 2 connects the water inlet of settling pit 3 by pipeline, the water outlet of settling pit 3 connects the water inlet of physics filtering basin 4 by pipeline, the water outlet in physical filtering pond 4 connects the water inlet in electromagnetic adsorption pond 5 by pipeline, the water outlet in electromagnetic adsorption pond 5 connects the water inlet of ice foot equipment 6 by pipeline, the water outlet of ice foot equipment 6 connects the water inlet of air flotation pool 7 by pipeline, the water outlet of air flotation pool 7 connects the water inlet of acidification pool 8 by pipeline, the water outlet of acidification pool 8 connects the water inlet of contact-oxidation pool 9 by pipeline, the water outlet of contact-oxidation pool 9 connects the water inlet of second pond 10 by pipeline, the water outlet of second pond 10 connects the water inlet in reflow treatment pond 11 by pipeline, the water outlet in reflow treatment pond 11 connects the water inlet of artificial wet land treating system 12 by pipeline, the water outlet of artificial wet land treating system 12 connects the water inlet of recirculation storage pool 13 by pipeline, the first water outlet that recirculation stores 13 ponds connects paper manufacturing systems, recirculation storage pool second water outlet connects discharge tube, the mud discharging mouth of air flotation pool 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, water outlet is left bottom artificial wet land treating system 12, high 40cm, water outlet connects outlet conduit by pvc pipe, pvc pipe mouth diameter is respectively 30cm and 40cm, artificial wet land treating system matrix is followed successively by metalling 6cm, river layer of sand 6cm, pedosphere 12cm from the bottom up, separates, soil layer is transplanted the Four Plants such as napier grass, Medulla Junci, cyperus alternifolius, Scirpus tabernaemontani between two-layer wherein with non-woven fabrics.In physical filtering pond 4, filtrate adopts Folium Pterocaryae and useless tealeaves, and the two mass ratio is 3:2, and the filtrate of every 5cm height is wrapped by gauze, filtrate height 120cm.Electromagnetic adsorption pond 6 is divided into three parts, low-voltage region, middle voltage regime, high-voltage region, each region is provided with valve, waste water flows into electromagnetic adsorption pond 6 from low-voltage region, flow out electromagnetic adsorption pond 6 from high-voltage region, access 220v power supply in voltage adsorption tank 6, built-in stainless steel electrode, electrode is furnished with resistance, interval 20cm between electrode.The external refrigerator 52 of ice foot equipment 5, on ice foot equipment two side, some wedge shape ice foot bars 53 are fixed at interval, wedge shape pitch angle is 15 degree, face of slope is provided with eyelet, eye diameter 0.3cm, each perforated interval 5cm, can be filled with the water of 1t in every root ice foot bar, and ice foot equipment internal thermometer 57, under meter 54, pressure warning unit 55, level indicator 56, the temperature in ice foot equipment is subzero 2-10 DEG C.Plant effluent from flowing into pre-treatment water collecting basin 1, arranges grid 2, with the thick suspended substance that dams through open drain in open drain; Aerated grit chamber selected by settling pit 3, filters out the suspended substances such as the silt in waste water; Waste water flows into physics filtering basin 4 by pipeline after settling pit 3 flows out, and through the media filtration of Folium Pterocaryae and useless tealeaves, removes the suspended substance such as pectin, micelle tiny in water; Ice foot equipment 5 is freezed by refrigerator 52, temperature in ice foot 5 equipment will be subzero 2-10 DEG C, the instant water in ice foot bar is made to become ice, ice is separated out by the eyelet on inclined-plane, form icicle, the waste water flowed down is filtered through row, at low temperatures, some organism can freeze with icicle, can be removed suspended substance and the organic pollutant of difficult removal by icicle; In electromagnetic adsorption pond 6, low-voltage region electrode voltage is set to 5v, middle voltage regime electrode voltage is set to 20v, high-voltage region electrode voltage is set to 50v, electromagnetic adsorption pond pool wall is cement structures, and be brushed with insulation compound, the electrostatic produced by electrode, be difficult to the fiber removed in planar water, the materials such as hemicellulose, make its by electrostatic interaction adsorb by electrode; With pump, waste water is squeezed into air flotation pool 7, waste water is aeration decomposing organic matter in pond; Waste water, after air flotation pool 7, flows into acidification pool 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 contact-oxidation pool 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 acidification pool 8; Artificial wet land treating system 12 carries out further advanced treatment for waste water, carries out oxygenolysis by operations such as plant absorption effect and naturally osmotic sedimentations to pollutents such as the organism in waste water and P contained compounds; Excess sludge pump in air flotation pool 7 and second pond 10 is squeezed into belt filter press 15 and is dewatered, to reduce sludge treatment volume.
Claims (3)
1. the treatment system of a paper mill factory effluent, it is characterized in that, this system comprises pre-treatment water collecting basin, grid, settling pit, physical filtering pond, ice foot equipment, electromagnetic adsorption pond, air flotation pool, acidification pool, contact-oxidation pool, second pond, reflow treatment pond, artificial wet land treating system, recirculation storage pool, storage basin, belt filter press, paper mill factory effluent row mouth connects the water inlet of pre-treatment water collecting basin by pipeline, the water outlet of pre-treatment water collecting basin connects the water inlet of grid by pipeline, the water outlet of grid equipment connects the water inlet of settling pit by pipeline, the water outlet of settling pit connects the water inlet of physics filtering basin by pipeline, the water outlet in physical filtering pond connects the water inlet in electromagnetic adsorption pond by pipeline, the water outlet in electromagnetic adsorption pond connects the water inlet of ice foot equipment by pipeline, the water outlet of ice foot equipment connects the water inlet of air flotation pool by pipeline, the water outlet of air flotation pool connects the water inlet of acidification pool by pipeline, the water outlet of acidification pool connects the water inlet of contact-oxidation pool by pipeline, the water outlet of contact-oxidation pool connects the water inlet of second pond by pipeline, the water outlet of second pond connects the water inlet in reflow treatment pond by pipeline, the water outlet in reflow treatment pond connects the water inlet of artificial wet land treating system by pipeline, the water outlet of artificial wet land treating system connects the water inlet of recirculation storage pool by pipeline, first water outlet of recirculation storage pool connects paper system, recirculation storage pool second water outlet connects discharge tube, the mud discharging mouth of air flotation pool 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, electromagnetic adsorption pond is divided into low-voltage region, middle voltage regime and high-voltage region three parts, the external refrigerator of ice foot equipment, on ice foot equipment two side, some wedge shape ice foot bars are fixed at interval, and wedge shape pitch angle is 15 degree, and face of slope is provided with eyelet, eye diameter 0.3cm, each perforated interval 1cm, can be filled with the water of 1t in every root ice foot bar.
2. the treatment system of a kind of paper mill according to claim 1 factory effluent, is characterized in that, ice foot equipment internal thermometer, under meter, pressure warning unit, level indicator.
3. the treatment system of a kind of paper mill according to claim 1 factory effluent, is characterized in that, the wedge shape ice foot bar quantity that on ice foot equipment two side, interval is fixing is 4-10 root.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520573385.0U CN204824539U (en) | 2015-08-03 | 2015-08-03 | Paper mill waste water's processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520573385.0U CN204824539U (en) | 2015-08-03 | 2015-08-03 | Paper mill waste water's processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204824539U true CN204824539U (en) | 2015-12-02 |
Family
ID=54682160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520573385.0U Expired - Fee Related CN204824539U (en) | 2015-08-03 | 2015-08-03 | Paper mill waste water's processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204824539U (en) |
-
2015
- 2015-08-03 CN CN201520573385.0U patent/CN204824539U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101863587B (en) | Process for purifying and recycling biomass organic wastewater | |
| CN101481194B (en) | town domestic sewage treatment process | |
| Assayed et al. | Assessing the efficiency of an innovative method for onsite greywater treatment: Drawer compacted sand filter–A case study in Jordan | |
| Ji et al. | Integrated ABR and UASB system for dairy wastewater treatment: Engineering design and practice | |
| CN108178438A (en) | A kind of rural domestic sewage treatment system and purification method | |
| Nada et al. | Full-scale municipal wastewater treatment by up-flow anaerobic sludge blanket (UASB) in Egypt | |
| CN105036819A (en) | Facility for producing earthworm breeding loam by utilizing aquaculture sewage and method | |
| CN205892991U (en) | Biological ecology water treatment facilities | |
| CN104986924A (en) | Industrial waste-water treating system for paper making factory | |
| CN105060626A (en) | Paper mill production wastewater treatment method | |
| CN104671408A (en) | Scattered small integrated sewage processing device for rural areas | |
| CN106517699A (en) | Efficient household garbage sewage system and technology thereof | |
| CN204824539U (en) | Paper mill waste water's processing system | |
| CN211644985U (en) | Brewing production wastewater purification ecological system | |
| CN205473253U (en) | Pharmacy sewage treatment plant | |
| CN211644786U (en) | Biochemical wetland ecological purification system for new rural domestic sewage | |
| CN104478161A (en) | Integrated biochemical wetland purification sewage treatment system | |
| CN203392982U (en) | High-concentration organic wastewater treatment device | |
| CN204824512U (en) | Physics formula pretreatment systems of waste water of paper mill | |
| CN209065691U (en) | A kind of chemical fiber waste water depth recycling processing system | |
| CN202144473U (en) | Composite biological filter tank treating domestic sewage | |
| CN206447726U (en) | A kind of Production of Livestock and Poultry wastewater treatment equipment | |
| CN206318833U (en) | A kind of house refuse sewage disposal system | |
| CN204918318U (en) | Processing system of papermaking waste water | |
| CN105016559A (en) | Paper mill wastewater pretreatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20170803 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |