CN202705151U - Papermaking sewage zero emission system - Google Patents
Papermaking sewage zero emission system Download PDFInfo
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- CN202705151U CN202705151U CN 201220440819 CN201220440819U CN202705151U CN 202705151 U CN202705151 U CN 202705151U CN 201220440819 CN201220440819 CN 201220440819 CN 201220440819 U CN201220440819 U CN 201220440819U CN 202705151 U CN202705151 U CN 202705151U
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Abstract
The utility model discloses a papermaking sewage zero emission system which is characterized by good waste water treating effect and capabilities of completely recycling the waste water for producing, realizing external zero emission, reducing pollution and saving paper production cost. The papermaking sewage zero emission system comprises a distance grating machine, a waste water collecting pond, an inclined net fishing slurry pond, a muddy waster recycling pond and a water return pond, wherein an outlet of the distance grating machine is connected with an inlet of the waste water collecting pond; the outlet of the waste water collecting pond is connected with the inclined net fishing slurry pond; the papermaking sewage zero emission system further comprises a precipitating tower, a supper-efficient shallow air floating machine, a filter press and a sludge recycling pond; a flocculating agent is added to the precipitating tower; the outlet of the inclined net fishing slurry pond is connected with a water inlet of the precipitating tower; a sludge outlet of the precipitating tower is connected with the inlet of the muddy waster recycling pond; a water outlet of the precipitating tower is connected with the water inlet of the supper-efficient shallow air floating machine; the water outlet of the supper-efficient shallow air floating machine is connected with the inlet of the water return pond; a slag hole of the supper-efficient shallow air floating machine is connected with the inlet of the muddy waster recycling pond; the outlet of the muddy waster recycling pond is connected with the inlet of the filter press; and a mud discharging port of the filter press is connected with the sludge recycling pond.
Description
Technical field
The utility model relates to a kind of Sewage treatment systems, especially relates to a kind of papermaking wastewater Zero discharging system.
Background technology
For a long time, paper waste is one of fast-developing problem of restriction paper industry always, and how Processing Paper Wastewater also is everybody problems of concern.So, strengthen waste water control, make it not only qualified discharge, and in a large number reuse, be very necessary thing.
The subject matter that Sewage will solve is fiber fines and mineral filler and the formed SS of impurity and the COD that removes in the water, main materialization processing mode treatment S S and the COD of adopting in the prior art paper waste system, existing apparatus for physical Chemical treating comprises the spacing grid maker, the wastewater collection pond, tiltedly net drags for stock tank, settling tank, mud pond for recovering and back pool, the outlet of spacing grid maker connects the entrance in wastewater collection pond, the outlet in wastewater collection pond connects oblique net and drags for stock tank, tiltedly net drags for the outlet connection settling tank entrance of stock tank, the mud discharging mouth of described settling tank connects the entrance of mud pond for recovering, the water outlet of described settling tank connects back pool, during processing, the bulk suspension of waste water or floating dirt enter oblique net and drag for stock tank after the interception of spacing grid maker, tiltedly net drags for and is provided with the oblique net of 70 purposes in the stock tank in order to the fiber fines in the filtered water, impurity, dragging for the waste water that flows out in the stock tank from oblique net enters settling tank and carries out precipitation process, waste water after settling tank is processed flows into the back pool reuse, and the mud in the settling tank then enters the muddy water pond for recovering by mud discharging mouth.This processing materialization treatment system, treatment step is simple, but the waste water quality after processing is bad, can only remove SS and the COD of small portion in the waste water, this mode process and reuse water, easily worsen smelly, long-term cyclically utilizing, and can't qualified discharge, water pollution is impacted.
The utility model content
Therefore, for above-mentioned problem, the utility model provides a kind of good waste water treatment effect, can all be recovered in production, realizes external zero release, reduces and pollutes, the papermaking wastewater Zero discharging system of joint paper production cost.
For achieving the above object, the utility model is achieved through the following technical solutions: a kind of papermaking wastewater Zero discharging system, comprise the spacing grid maker, the wastewater collection pond, tiltedly net drags for stock tank, muddy water pond for recovering and back pool, the outlet of described spacing grid maker connects the entrance in wastewater collection pond, the outlet in wastewater collection pond connects the entrance that oblique net drags for stock tank, comprise that also inside adds the settling tower of flocculation agent, the super efficiency shallow air flotation machine, pressure filter and mud pond for recovering, the outlet that described oblique net drags for stock tank connects the settling tower water inlet, the mud discharging mouth of described settling tower connects the entrance of muddy water pond for recovering, the water outlet of described settling tower connects the water inlet of super efficiency shallow air flotation machine, the water outlet of described super efficiency shallow air flotation machine connects the entrance of back pool, the slag-drip opening of described super efficiency shallow air flotation machine connects the entrance of muddy water pond for recovering, the outlet of described muddy water pond for recovering connects the entrance of pressure filter, and the mud discharging mouth of pressure filter connects the mud pond for recovering.
Further improvedly be: described settling tower comprises that tower body, described tower body top are provided with water outlet, described tower body bottom is provided with dirt collecting bucket, described dirt collecting bucket bottom is provided with mud discharging mouth, allow rapid precipitation device and the filler filtering layer of solid particulate rapid precipitation by lower from upper being provided with successively in the described tower body, be positioned at rapid precipitation device bottom on the described tower body and be provided with water inlet.
Further improvedly be: described rapid precipitation device comprises the outside cylinder cylindrical shell that is arranged on precipitation tower body inboard and the inner cylindrical tube body of being located at outside cylinder cylindrical shell inboard, radially tiltingly between described outside cylinder cylindrical shell and the inner cylinder body is evenly equipped with a plurality of buffering precipitation inclined plates.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: the utility model papermaking wastewater Zero discharging system, waste water enters in the settling tower body to diffusion all around after tiltedly net drags for the stock tank processing, then flow to cat head stably, sewage is in uphill process, density is greater than suspended solid such as the papermaking filler of water, fiber fines, the inorganic particles such as mud yarn constantly sink and by the rapid precipitation device, accelerate precipitation, per two block buffering precipitation inclined plates of buffering settler are equivalent to a very little settling tank, the solids precipitation time is shortened dramatically, utilize perpendicular stream principle, reach the purpose of rapid precipitation, being added in advance flocculation agent (polymerize aluminum chloride and polyacrylamide) in the precipitation tower body can make the fiber fines wadding in the water poly-agglomerating, simultaneously under the assist process of flocculation agent, can make SS in the water and silt etc. be settled down to faster at the bottom of the tower, water outlet from tower body top after packing layer further filters after filtration from the sewage that flows through of buffering settler flows into the super efficiency shallow air flotation machine, the super efficiency shallow air flotation machine utilizes the micropore gas distribution, produce micro-bubble as carrier, small suspended substance in the waste water is attached on the bubble, form the flotation body, utilize the buoyance lift effect of bubble to be suspended in the water surface, enter the muddy water pond for recovering by pipeline, backwater water quality after this Novel sewage Zero discharging system is processed is good, but so that after treatment recirculation utilization of paper waste, fully recovering is in production, the external zero release of basic realization, not only can the sewage effluent contaminate environment but also can save a large amount of production costs, reduced the wasting of resources, can effectively recycle paper waste, drop to minimum to the pollution of environment.
Description of drawings
Fig. 1 is the schematic flow sheet of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment:
With reference to figure 1, the present embodiment discloses a kind of papermaking wastewater Zero discharging system, comprise spacing grid maker 1, wastewater collection pond 2, tiltedly net drags for stock tank 3, muddy water pond for recovering 4, back pool 5, settling tower 6, super efficiency shallow air flotation machine 7, pressure filter 8 and mud pond for recovering 9, the outlet of described spacing grid maker 1 connects the entrance in wastewater collection pond 2, the outlet in wastewater collection pond 2 connects the entrance that oblique net drags for stock tank 3, the outlet that described oblique net drags for stock tank 3 connects settling tower 6 water inlets, the mud discharging mouth of described settling tower 6 connects the entrance of muddy water pond for recovering 4, the water outlet of described settling tower 6 connects the water inlet of super efficiency shallow air flotation machine 7, the water outlet of described super efficiency shallow air flotation machine 7 connects the entrance of back pool 5, the slag-drip opening of described super efficiency shallow air flotation machine 7 connects the entrance of muddy water pond for recovering 4, the outlet of described muddy water pond for recovering 4 connects the entrance of pressure filter 8, and the mud discharging mouth of pressure filter 8 connects mud pond for recovering 9.
Described settling tower comprises tower body 61, described tower body 61 tops are provided with water outlet 611, described tower body 61 bottoms are provided with dirt collecting bucket 612, described dirt collecting bucket 612 bottoms are provided with mud discharging mouth, allow rapid precipitation device and the filler filtering layer 63 of solid particulate rapid precipitation by lower from upper being provided with successively in the described tower body 61, be positioned at rapid precipitation device bottom on the described tower body 61 and be provided with water inlet 613, described rapid precipitation device comprises the outside cylinder cylindrical shell 621 that is arranged on settling tower 61 body inboards and the inner cylindrical tube body 622 of being located at outside cylinder cylindrical shell inboard, radially tiltingly between described outside cylinder cylindrical shell 621 and the inner cylinder body 622 is evenly equipped with a plurality of buffering precipitation inclined plates 623.
During processing, bulk suspension in the waste water or floating dirt enter oblique net and drag for stock tank after the interception of spacing grid maker, tiltedly net drags for and is provided with the oblique net of 100 purposes in the stock tank in order to the fiber fines in the filtered water, impurity, these fiber fines are drawn back the workshop by pump and are processed rear fully recovering, dragging for the waste water that flows out in the stock tank from oblique net enters settling tower and carries out sedimentation and filtration and process, add in the described settling tank and can remove effectively that the main component of SS and COD is the flocculation agent of polymerize aluminum chloride and polyacrylamide in the water, waste water enters in the settling tower body to diffusion all around after tiltedly net drags for the stock tank processing, then flow to cat head stably, sewage is in uphill process, density is greater than suspended solid such as the papermaking filler of water, fiber fines, the inorganic particles such as mud yarn constantly sink and by the rapid precipitation device, accelerate precipitation, per two block buffering precipitation inclined plates of buffering settler are equivalent to a very little settling tank, the solids precipitation time is shortened dramatically, utilize perpendicular stream principle, reach the purpose of rapid precipitation, water outlet from tower body top after packing layer further filters after filtration from the sewage that flows through of buffering settler flows into the super efficiency shallow air flotation machine, the super efficiency shallow air flotation machine utilizes the micropore gas distribution, produce micro-bubble as carrier, small suspended substance in the waste water is attached on the bubble, form the flotation body, utilize the buoyance lift effect of bubble to be suspended in the water surface, enter the muddy water pond for recovering by pipeline, clean waste water after the super efficiency shallow air flotation machine is processed then enters the pond for recovering fully recovering in production, and the muddy water in the muddy water pond for recovering enters the mud pond for recovering after pressure filter dehydration concentration.Backwater water quality after this Novel sewage Zero discharging system is processed is good, but so that after treatment recirculation utilization of paper waste, fully recovering is in production, the external zero release of basic realization, not only can the sewage effluent contaminate environment but also can save a large amount of production costs, reduced the wasting of resources, can effectively recycle paper waste, dropped to minimum to the pollution of environment.
The above record, only for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do all belong to the claim that this creation is advocated, and are not limited to those disclosed embodiments.
Claims (3)
1. papermaking wastewater Zero discharging system, comprise the spacing grid maker, the wastewater collection pond, tiltedly net drags for stock tank, muddy water pond for recovering and back pool, the outlet of described spacing grid maker connects the entrance in wastewater collection pond, the outlet in wastewater collection pond connects the entrance that oblique net drags for stock tank, it is characterized in that: comprise that also inside adds the settling tower of flocculation agent, the super efficiency shallow air flotation machine, pressure filter and mud pond for recovering, the outlet that described oblique net drags for stock tank connects the settling tower water inlet, the mud discharging mouth of described settling tower connects the entrance of muddy water pond for recovering, the water outlet of described settling tower connects the water inlet of super efficiency shallow air flotation machine, the water outlet of described super efficiency shallow air flotation machine connects the entrance of back pool, the slag-drip opening of described super efficiency shallow air flotation machine connects the entrance of muddy water pond for recovering, the outlet of described muddy water pond for recovering connects the entrance of pressure filter, and the mud discharging mouth of pressure filter connects the mud pond for recovering.
2. papermaking wastewater Zero discharging system according to claim 1, it is characterized in that: described settling tower comprises that tower body, described tower body top are provided with water outlet, described tower body bottom is provided with dirt collecting bucket, described dirt collecting bucket bottom is provided with mud discharging mouth, allow rapid precipitation device and the filler filtering layer of solid particulate rapid precipitation by lower from upper being provided with successively in the described tower body, be positioned at rapid precipitation device bottom on the described tower body and be provided with water inlet.
3. papermaking wastewater Zero discharging system according to claim 2, it is characterized in that: described rapid precipitation device comprises the outside cylinder cylindrical shell that is arranged on precipitation tower body inboard and the inner cylindrical tube body of being located at outside cylinder cylindrical shell inboard, radially tiltingly between described outside cylinder cylindrical shell and the inner cylinder body is evenly equipped with a plurality of buffering precipitation inclined plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440819 CN202705151U (en) | 2012-08-31 | 2012-08-31 | Papermaking sewage zero emission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220440819 CN202705151U (en) | 2012-08-31 | 2012-08-31 | Papermaking sewage zero emission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202705151U true CN202705151U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220440819 Expired - Fee Related CN202705151U (en) | 2012-08-31 | 2012-08-31 | Papermaking sewage zero emission system |
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| CN (1) | CN202705151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675543A (en) * | 2017-11-17 | 2018-02-09 | 河南鑫饰板业有限公司 | Fiber recovery system |
-
2012
- 2012-08-31 CN CN 201220440819 patent/CN202705151U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107675543A (en) * | 2017-11-17 | 2018-02-09 | 河南鑫饰板业有限公司 | Fiber recovery system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING XINDAYU ENVIRONMENTAL PROTECTION ENGINEERI Free format text: FORMER OWNER: GAN MULIN Effective date: 20140805 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 362200 QUANZHOU, FUJIAN PROVINCE TO: 101300 SHUNYI, BEIJING |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140805 Address after: 101300 Beijing city Shunyi District Shunping Line No. 188 Patentee after: BEIJING XINDAYU ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. Address before: 362200 Quanzhou City, Jinjiang City, west shore town community road, Acacia Road, No. 1 Patentee before: Gan Mulin |
|
| CP03 | Change of name, title or address |
Address after: 101309 Beijing City, Shunyi District Yang Zhen Fu Qian Jie North 110 meters Patentee after: Beijing Shunxin Green Environmental Engineering Co., Ltd. Address before: 101300 Beijing city Shunyi District Shunping Line No. 188 Patentee before: BEIJING XINDAYU ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |