CN201495451U - Paper-making medium wastewater processing device - Google Patents

Paper-making medium wastewater processing device Download PDF

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Publication number
CN201495451U
CN201495451U CN2009201825487U CN200920182548U CN201495451U CN 201495451 U CN201495451 U CN 201495451U CN 2009201825487 U CN2009201825487 U CN 2009201825487U CN 200920182548 U CN200920182548 U CN 200920182548U CN 201495451 U CN201495451 U CN 201495451U
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CN
China
Prior art keywords
water
white water
enters
white
wastewater
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Expired - Fee Related
Application number
CN2009201825487U
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Chinese (zh)
Inventor
甘木林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JINJIANG YOULANFA PAPER INDUSTRY Co Ltd
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JINJIANG YOULANFA PAPER INDUSTRY Co Ltd
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Priority to CN2009201825487U priority Critical patent/CN201495451U/en
Application granted granted Critical
Publication of CN201495451U publication Critical patent/CN201495451U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a paper-making medium wastewater processing device, which comprises a medium wastewter groove, a weak white water pool, a strong white water pool, a white water recoverer and a press filter, wherein a buffering pool is arranged on the white water recoverer, and a bell jar is arranged in the buffering pool; the weak white water in the buffering pool enters a water distribution box in a bell jar pulse manner, the upper clear water of the water distribution box enters a filtering basin through pipelines, the sludge at the bottom part of the water distribution box is pumped to a radical sedimentation basin after entering a sludge groove, and the clean liquid in the radical sedimentation basin enters the filtering basin; the water outlet of the filtering basin is connected to a production water flume, a slag hole is connected with the press filter, and the filter residue is made into filter cake. The paper-making medium wastewater processing device provided by the utility model subsides the wastewater of a papermaking machine after being recovered in a stratified manner through the white water recover, thereby separating the clear water used as production water effectively, and utilizing the water resource circularly. The utility model has good processing effect and small investment, and is suitable for the small and medium-sized papermaking wastewater processing device.

Description

The treating apparatus of papermaking stage casing sewage
Technical field
The utility model provides the treating apparatus of a kind of papermaking stage casing sewage, relates to papermaking recovery and utilization technology field.
Background technology
The pollution of paper waste is one of primary pollution source of environmental protection always, in the paper process, mainly be slurrying and copy two production processes of paper and produce a large amount of paper wastes, wherein pollutant levels are very high, contain a large amount of fibers, inorganic salts, pigment and VFA etc., common frowziness, contaminative is very strong.Discharge waste water during pulp washing and be pitchy, be called Heisui River, pollutant levels are very high in the Heisui River, contain a large amount of fibers, inorganic salts and pigment.The paper waste that paper machine is discharged is called plain boiled water, the filler and the sizing material that wherein contain a large amount of fibers and add in process of production.In addition, contain a large amount of paper pulp fibers in the paper waste,, will have a large amount of paper pulp to enter in the Waste Water Treatment, not only have a strong impact on the treatment effect of Waste Water Treatment, cause the paper pulp waste simultaneously if paper pulp fiber is not reclaimed.Concentration at its physical property of paper waste and organic pollution has nothing in common with each other, and currently is used for the processing method that main method that paper-making industrial waste water handles has processing method such as precipitation, air supporting, absorption, film separation, aerobe, anaerobic organism and several technology combinations.
In the present domestic paper mill, what adopt usually is the waste water two stage treatment, and earlier in the workshop inner loop, unnecessary water advances the workshop storage cistern, uses pump suction coagulative precipitation tank then, the dosing precipitation process.About 15 cubic metres of paper water consumption per ton, operating cost is relatively low, but still has part waste water regularly to discharge.Abroad successful is the high-temperature process wastewater processing technology that finish jointly in German water treatment company and two tame paper mills, the core is that high temperature anaerobic is handled, and effect is better, at present the about 5-6 cubic meter of the paper grade (stock) water yield, but the cost of investment height only is applicable to the enterprise that papermaking is larger.
The utility model content
The purpose of this utility model is to provide a kind for the treatment of apparatus of papermaking midcourse wastewater, thereby the waste water that paper machine produces is recycled the realization zero-emission, and treatment effect is good, investment is little, is suitable for the papermaking wastewater treatment device of middle-size and small-size scale.
The technical scheme that the utility model adopted is:
A kind for the treatment of apparatus of papermaking midcourse wastewater comprises middle-stage wastewater groove, rare white water chest, enriched water pond, white water recycle device and filter press, wherein
The middle-stage wastewater groove, be positioned over the rear end of paper machine, be used to hold the plain boiled water that leaches by paper machine, middle part at the cell body of middle-stage wastewater groove is provided with overflow pipe, and the bottom is provided with grout outlet, makes rare, enriched water separate, the water that flows out from overflow pipe is rare plain boiled water, enter rare white water chest, the water that flows out from grout outlet is enriched water, enters the enriched water pond;
Rare white water chest joins with the white water recycle device, by variable frequency pump rare plain boiled water is extracted to the white water recycle device;
The enriched water pond joins with fiberizer, by pump enriched water is extracted and is recycled to fiberizer;
The white water recycle device, which is provided with Buffer Pool, rare plain boiled water evenly mixes with medicine in Buffer Pool, one bell jar is arranged in the Buffer Pool, make the interior rare plain boiled water of Buffer Pool enter distribution reservoir in the mode of bell jar pulse, the upper strata clear water of distribution reservoir enters in the filtering ponds by pipeline, the bottom mud of distribution reservoir enters in the sump and by pump and extracts to radical sedimentation basin, the clear liquid of radical sedimentation basin enters in the filtering ponds, make plain boiled water quicken precipitation and layering, the delivery port of described filtering ponds is connected to the industrial water tank, and slag notch and filter press join;
Filter press is connected to the white water recycle device mutually, and filter residue is made filter cake, can continue to use as the production of packing stationery.
Further, the distribution reservoir of described white water recycle device is a column construction, is evenly distributed with some outlet pipes in its side, and apopore is all arranged on all outlet pipes, and such structure can be stablized flow velocity, thus the precipitation of acceleration.The water inlet of described radical sedimentation basin is located at the bottom, and makes sewage enter radical sedimentation basin from central upper by pipeline, equably to diffusion all around, delivery port is located at the top, clear liquid enters in the filtering ponds from delivery port, and slag notch is located on the bottom cone, and the slag slurry is connected to the enriched water pond.
Further, the Buffer Pool of described white water recycle device joins by a central tube and distribution reservoir, and bell jar is covered in the central tube periphery, when water level arrives the central tube height, forms negative pressure in the bell jar, by siphonage the water in the Buffer Pool is flowed in the distribution reservoir.
Further, described filter press is a belt filter press.
The treating apparatus of a kind of papermaking midcourse wastewater that the utility model provides, carry out layering and precipitating after adopting of the waste water recovery of white water recycle device with paper machine, effectively isolate clear water as industrial water, the recycle water resource, and treatment effect is good, investment is little, is suitable for the papermaking wastewater treatment device of middle-size and small-size scale.
Description of drawings
Fig. 1 is the schematic diagram of the treating apparatus of the utility model papermaking midcourse wastewater;
Fig. 2 is the schematic diagram of the utility model white water recycle device;
Fig. 3 is the structural representation of the utility model radical sedimentation basin.
The specific embodiment
The existing accompanying drawings and the specific embodiment further specify the utility model.
As shown in Figure 1, the treating apparatus of a kind of papermaking midcourse wastewater that the utility model provides comprises middle-stage wastewater groove 1, rare white water chest 2, enriched water pond 5, white water recycle device 3 and filter press 4, wherein
Middle-stage wastewater groove 1, be positioned over the rear end of paper machine, be used to hold the plain boiled water that leaches by paper machine, middle part at the cell body of middle-stage wastewater groove 1 is provided with overflow pipe 11, and the bottom is provided with grout outlet 12, makes rare, enriched water separate, the water that flows out from overflow pipe 11 is rare plain boiled water, enter rare white water chest 2, the water that flows out from grout outlet is enriched water, enters enriched water pond 5;
Rare white water chest 2 joins with white water recycle device 3, by variable frequency pump rare plain boiled water is extracted to white water recycle device 3;
Enriched water pond 5 joins with fiberizer 6, by pump enriched water is extracted and is recycled to fiberizer 6;
White water recycle device 3, as shown in Figure 2, which is provided with Buffer Pool 31, rare plain boiled water evenly mixes with medicine in Buffer Pool 31, in this Buffer Pool 31 bell jar is arranged, make the rare plain boiled water in the Buffer Pool 31 enter distribution reservoir 32 in the mode of bell jar pulse, the upper strata clear water of distribution reservoir 32 enters in the filtering ponds 35 by pipeline, the bottom mud of distribution reservoir 32 enters in the sump 33 and by pump and extracts to radical sedimentation basin 34, the clear liquid of radical sedimentation basin 34 enters in the filtering ponds 35, make plain boiled water quicken precipitation and layering, the delivery port of described filtering ponds 35 is connected to industrial water tank 7, and the slag notch of filtering ponds 35 and filter press 4 join;
Filter press 4 is connected to white water recycle device 3 mutually, and filter residue is made filter cake, can continue to use as the production of packing stationery.
Further, the distribution reservoir 32 of described white water recycle device 3 is a column construction, is evenly distributed with some outlet pipes in its side, and apopore is all arranged on all outlet pipes, and such structure can be stablized flow velocity, thus the precipitation of acceleration.
As shown in Figure 3, the water inlet 341 of radical sedimentation basin 34 is located at the bottom, and make sewage enter radical sedimentation basin 34 from central upper by pipeline, equably to diffusion all around, delivery port 342 is located at the top, clear liquid enters in the filtering ponds 35 from delivery port 342, and slag notch 343 is located on the bottom cone, and the slag slurry is connected to enriched water pond 5.
Further, the Buffer Pool 31 of described white water recycle device 3 joins by a central tube and distribution reservoir 32, and bell jar is covered in the central tube periphery, when water level arrives the central tube height, form negative pressure in the bell jar, the water in the Buffer Pool 31 is flowed in the distribution reservoir 32 by siphonage.
Further, described filter press 4 is belt filter presses.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.

Claims (4)

1. the treating apparatus of a papermaking midcourse wastewater comprises middle-stage wastewater groove, rare white water chest, enriched water pond, white water recycle device and filter press, it is characterized in that:
The middle-stage wastewater groove is positioned over the rear end of paper machine, is provided with overflow pipe at the middle part of its cell body, and the bottom is provided with grout outlet, and the water that flows out from overflow pipe enters rare white water chest, and the water that flows out from grout outlet enters the enriched water pond;
Rare white water chest joins with the white water recycle device, by variable frequency pump rare plain boiled water is extracted to the white water recycle device; The enriched water pond joins with fiberizer, by pump enriched water is extracted and is recycled to fiberizer;
The white water recycle device, which is provided with Buffer Pool, one bell jar is arranged in this Buffer Pool, rare plain boiled water in the Buffer Pool enters distribution reservoir in the mode of bell jar pulse, the upper strata clear water of distribution reservoir enters in the filtering ponds by pipeline, and the bottom mud of distribution reservoir enters in the sump and by pump and extracts to radical sedimentation basin, and the clear liquid of radical sedimentation basin enters in the filtering ponds, the delivery port of described filtering ponds is connected to the industrial water tank, and slag notch and filter press join;
Filter press is connected to the white water recycle device mutually, and filter residue is made filter cake.
2. the treating apparatus of a kind of papermaking midcourse wastewater according to claim 1 is characterized in that, the distribution reservoir of described white water recycle device is a column construction, is evenly distributed with some outlet pipes in its side, and apopore is all arranged on all outlet pipes.
3. the treating apparatus of a kind of papermaking midcourse wastewater according to claim 1, it is characterized in that, the water inlet of the radical sedimentation basin of described white water recycle device is located at the bottom, and make sewage enter radical sedimentation basin from central upper by pipeline, delivery port is located at the top, and slag notch is located on the bottom cone.
4. the treating apparatus of a kind of papermaking midcourse wastewater according to claim 1 is characterized in that, described filter press is a belt filter press.
CN2009201825487U 2009-08-06 2009-08-06 Paper-making medium wastewater processing device Expired - Fee Related CN201495451U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201825487U CN201495451U (en) 2009-08-06 2009-08-06 Paper-making medium wastewater processing device

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Application Number Priority Date Filing Date Title
CN2009201825487U CN201495451U (en) 2009-08-06 2009-08-06 Paper-making medium wastewater processing device

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CN201495451U true CN201495451U (en) 2010-06-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102167471A (en) * 2011-02-25 2011-08-31 福建省晋江优兰发纸业有限公司 Treatment method of industrial papermaking wastewater
CN102599638A (en) * 2012-01-11 2012-07-25 福建金闽再造烟叶发展有限公司 Low-retention monolayer net papermaking process of reconstituted tobaccos by papermaking method and equipment thereof
CN102733237A (en) * 2011-04-08 2012-10-17 上海东冠纸业有限公司 In-pulp white water pump pipeline for producing living paper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102167471A (en) * 2011-02-25 2011-08-31 福建省晋江优兰发纸业有限公司 Treatment method of industrial papermaking wastewater
CN102733237A (en) * 2011-04-08 2012-10-17 上海东冠纸业有限公司 In-pulp white water pump pipeline for producing living paper
CN102599638A (en) * 2012-01-11 2012-07-25 福建金闽再造烟叶发展有限公司 Low-retention monolayer net papermaking process of reconstituted tobaccos by papermaking method and equipment thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

Termination date: 20150806

EXPY Termination of patent right or utility model