CN203593685U - Recycling and reusing system for wastewater produced during paper making - Google Patents
Recycling and reusing system for wastewater produced during paper making Download PDFInfo
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- CN203593685U CN203593685U CN201320744537.XU CN201320744537U CN203593685U CN 203593685 U CN203593685 U CN 203593685U CN 201320744537 U CN201320744537 U CN 201320744537U CN 203593685 U CN203593685 U CN 203593685U
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- wastewater
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- slurry
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- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000004064 recycling Methods 0.000 title claims abstract description 15
- 239000012535 impurity Substances 0.000 claims abstract description 25
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 238000005273 aeration Methods 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 239000004576 sand Substances 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 239000002699 waste material Substances 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 10
- 239000010893 paper waste Substances 0.000 claims description 9
- 239000010802 sludge Substances 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002893 slag Substances 0.000 abstract description 3
- 238000004061 bleaching Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
Abstract
The utility model discloses a recycling and reusing system for wastewater produced during paper making, which comprises a slurry collecting tank, an aeration tank, a bio-oxidation bleaching tank, a settling tower and a reuse water tank that all are sequentially connected; a slurry recycling device is arranged between the slurry collecting tank and the aeration tank; the slurry recycling device comprises a slag remover, a sand setting ditch connected to the wastewater outlet, and a slurry pump connected to the tail part of the sand setting ditch; the slag remover comprises a cylinder body; the cylinder body comprises a cylinder-shaped upper cylinder body and a funnel-shaped lower cylinder body; a heavy impurity outlet is formed in the bottom of the lower cylinder body; a wastewater inlet is formed in the middle part of the upper cylinder body; a wastewater outlet is formed in the middle part at the upper part of the upper cylinder body; a light impurity discharge pipe is coaxially arranged inside the wastewater outlet in a sleeving manner; the end part of the light impurity discharge pipe is positioned below the wastewater inlet; the light impurity discharge pipe and the heavy impurity outlet are communicated with the inlet of the aeration tank; the slurry pump is connected with the slurry tank. According to the recycling and reusing system, utilizable fibers in wastewater produced during the paper making can be efficiently recycled and used in corrugated paper production; moreover, the advanced treatment on the wastewater is performed and the wastewater can be recycled for the paper making.
Description
Technical field
The utility model relates to a kind of paper waste recycling system.
Background technology
Various challenges during paper industry constantly faces in modern industrialization process, but due to the very large product of a kind of demand of Zhi Yeshi modern society, although therefore consider that it is faced with more and more stricter environmental requirement, still need constantly to produce and make every effort to obtain the production technique or the device that more and more meet environmental requirement simultaneously in the process of advancing.In existing paper industry, can produce a large amount of trade effluents, although these trade effluents obtain processing to a certain extent, some recyclable paper pulp that wherein exist are not but fully recycled, and the wasting while is also unfavorable for the requirement of environmental protection.
Utility model content
Technical problem to be solved in the utility model is: a kind of paper waste recycling system is provided, the one, can efficient recovery paper waste in available fiber produce as fluting board, the 2nd, can carry out advanced treatment to waste water, be back to workshop again as papermaking.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of paper waste recycling system, comprise the receipts stock tank, aeration tank, bio-oxidation decolouring pond, settling tower and the reuse pool that connect successively, and:
Between described receipts stock tank and described aeration tank, be provided with slurry recovery device, described slurry recovery device comprises:
Skim gate, described skim gate comprises cylindrical shell, described cylindrical shell comprises columnar upper shell and funnel shaped lower shell, the bottom of described lower shell is provided with heavy seeds outlet, the middle part of described upper shell is provided with waste water import, the upper center of described upper shell is provided with wastewater outlet, the inner coaxial sleeve of described wastewater outlet is provided with light impurity vent pipe, the end of described light impurity vent pipe is positioned at below described waste water import, and described light impurity vent pipe and the outlet of described heavy seeds are all communicated with the import of described aeration tank;
Be connected in the sand setting ditch of described wastewater outlet;
Be connected in the stock pump of described sand setting ditch afterbody, described stock pump connects stock tank.
As the preferred technical scheme of one, the bottom in described bio-oxidation decolouring pond is equipped with air duct, above described air duct, be provided with active sludge, on described air duct, be evenly equipped with production well, described bio-oxidation decolouring pond connecting fan is stretched out in one end of described air duct, in described bio-oxidation decolouring pond and described active sludge above be provided with activated carbon fiber silk filtering layer.
As the preferred technical scheme of one, described settling tower comprises housing and upper cover, described housing comprises columnar upper housing and funnel shaped lower housing, the top of described upper housing is provided with rising pipe, the bottom of described lower housing is provided with mud discharging mouth, through being covered with the waste pipe that enters stretching in described upper housing on described, described in enter waste pipe end be provided with anti-stream barrel, and described in enter waste pipe and be provided with spiral helicine damping sheet; Described rising pipe is communicated with described reuse pool.
Adopted after technique scheme, the beneficial effects of the utility model are:
Use in process of the present utility model, first the trade effluent that paper machine room produces absorbs fiber and the suspended substance in water through receiving stock tank, then the waste water of receiving in stock tank is pumped to skim gate, in skim gate, heavy seeds in waste water is thrown to the internal surface of cylindrical shell and flows out from heavy seeds outlet under the effect of centrifugal force, light impurity in waste water is pooled to the central part of skim gate cylindrical shell and flows out through light impurity vent pipe, and waste water after removal of impurities enters in sand setting ditch, the materials such as usable fibers deposit in sand setting ditch, then by stock pump, the usable fibers material of deposition is pumped into stock tank, can deliver to workshop recycles in producing fluting board.Skim gate in said structure also can be removed light impurity wherein in the heavy seeds of removing in waste water, can reduce the configuration of slag removal equipment, reduces cost of equipment and during-operation service expense; By the fibrous matter recycling in waste water, reach the effect of energy-saving and emission-reduction.
Further, the waste water that is mingled with impurity of discharging through skim gate, is sent into aeration tank, bio-oxidation decolouring pond, settling tower carries out advanced treatment successively, and the processing water obtaining can be back to workshop again as papermaking.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the one-piece construction block diagram of the utility model embodiment.
Fig. 2 is the part-structure schematic diagram of the utility model embodiment.
In figure: 1. aeration tank, 2. bio-oxidation decolouring pond, 21. air ducts, 22. active sludge, 23. activated carbon fiber silk filtering layers, 3. settling tower, 31. upper housings, 311. rising pipes, 32. lower housings, 321. mud discharging mouths, 33. upper covers, 34. enter waste pipe, 341. anti-stream buckets, 342. damping sheets, 4. skim gate, 41. upper shells, 411. waste water imports, 412. wastewater outlets, 42. lower shells, 421. heavy seeds outlets, 43. light impurity vent pipes.
Embodiment
As shown in Fig. 1 and Fig. 2 are common, a kind of paper waste recycling system, comprises the receipts stock tank, aeration tank 1, bio-oxidation decolouring pond 2, settling tower 3 and the reuse pool that connect successively, and, receive between stock tank and aeration tank 1 and be provided with slurry recovery device.
Slurry recovery device comprises: skim gate 4, skim gate 4 comprises cylindrical shell, cylindrical shell comprises columnar upper shell 41 and funnel shaped lower shell 42, the bottom of lower shell 42 is provided with heavy seeds outlet 421, the middle part of upper shell 41 is provided with waste water import 411, the upper center of upper shell 41 is provided with wastewater outlet 412, the inner coaxial sleeve of wastewater outlet 412 is provided with light impurity vent pipe 43, the end of light impurity vent pipe 43 is positioned at waste water import below 411, and light impurity vent pipe 43 and heavy seeds outlet 421 are all communicated with the import of aeration tank 1; Be connected in the sand setting ditch of wastewater outlet 412; Be connected in the stock pump of sand setting ditch afterbody, stock pump connects stock tank.
Use in process of the present utility model, first the trade effluent that paper machine room produces absorbs fiber and the suspended substance in water through receiving stock tank, then the waste water of receiving in stock tank is pumped to skim gate 4, in skim gate 4, heavy seeds in waste water is thrown to the internal surface of cylindrical shell and flows out from heavy seeds outlet 421 under the effect of centrifugal force, light impurity in waste water is pooled to the central part of skim gate 4 cylindrical shells and flows out through light impurity vent pipe 43, and waste water after removal of impurities enters in sand setting ditch, the materials such as usable fibers deposit in sand setting ditch, then by stock pump, the usable fibers material of deposition is pumped into stock tank, can deliver to workshop recycles in producing fluting board.Skim gate 4 in said structure also can be removed light impurity wherein in the heavy seeds of removing in waste water, can reduce the configuration of slag-tapping device, reduces cost of equipment and during-operation service expense; By the fibrous matter recycling in waste water, reach the effect of energy-saving and emission-reduction.
The waste water that is mingled with impurity of discharging through skim gate 4, is sent into successively aeration tank 1, bio-oxidation decolouring pond 2, settling tower 3 and is carried out advanced treatment.
The bottom in bio-oxidation decolouring pond 2 is equipped with air duct 21, above air duct 21, be provided with active sludge 22, on air duct 21, be evenly equipped with production well, bio-oxidation decolouring pond 2 connecting fans are stretched out in one end of air duct 21, in bio-oxidation decolouring pond 2 and active sludge 22 above be provided with activated carbon fiber silk filtering layer 23.Waste water outflow after Air Exposure is behind bio-oxidation decolouring pond 2, because blower fan constantly passes through air duct 21 to the interior conveying air in bio-oxidation decolouring pond 2, waste water in bio-oxidation decolouring pond 2 is constantly moved, and then mutually collide with active sludge 22, be difficult for stopping up, and the renewal of accelerate sludge surface biological, can improve the clearance of organic matter of sewage, make the COD in waste water can qualified discharge.Further, activated carbon fiber silk filtering layer 23 can carry out treatment and purification, remove look, taste removal, organic matter removal water, and the suspended substance and the biological floe that dam in water, further improve effluent characteristics.
Settling tower 3 comprises housing and upper cover 33, housing comprises columnar upper housing 31 and funnel shaped lower housing 32, the top of upper housing 31 is provided with rising pipe 311, the bottom of lower housing 32 is provided with mud discharging mouth 321, be provided with to stretch into through upper cover 33 and enter waste pipe 34 in upper housing 31, the end of entering waste pipe 34 is provided with anti-stream bucket 341, and enters waste pipe 34 and be provided with spiral helicine damping sheet 342; Rising pipe 311 is communicated with reuse pool.Waste water after treatment overflows to settling tower 3 by pipeline and does precipitation process, waste water enters in the upper housing 31 of settling tower 3 by entering waste pipe 34, first through the backward surrounding diffusion of anti-stream bucket 341 buffering, then flow to tower top stably, sewage is in uphill process, the suspended solid that density is greater than water constantly sinks as made the inorganic particles such as filler, fiber fines, mud yarn, and encounter the rear acceleration precipitation of spirrillum damping sheet 342, reach the object of rapid precipitation, the sewage of crossing from damping sheet 342 helical flows flows out from the rising pipe 311 on settling tower 3 tops.
Water after precipitation process enters reuse pool, can be transmitted back to workshop again as papermaking.
Above-described embodiment is only giving an example of the utility model embodiment; protection domain of the present utility model is as the criterion with the content of claim; any equivalent transformation carrying out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (3)
1. a paper waste recycling system, comprises the receipts stock tank, aeration tank, bio-oxidation decolouring pond, settling tower and the reuse pool that connect successively, it is characterized in that:
Between described receipts stock tank and described aeration tank, be provided with slurry recovery device, described slurry recovery device comprises:
Skim gate, described skim gate comprises cylindrical shell, described cylindrical shell comprises columnar upper shell and funnel shaped lower shell, the bottom of described lower shell is provided with heavy seeds outlet, the middle part of described upper shell is provided with waste water import, the upper center of described upper shell is provided with wastewater outlet, the inner coaxial sleeve of described wastewater outlet is provided with light impurity vent pipe, the end of described light impurity vent pipe is positioned at below described waste water import, and described light impurity vent pipe and the outlet of described heavy seeds are all communicated with the import of described aeration tank;
Be connected in the sand setting ditch of described wastewater outlet;
Be connected in the stock pump of described sand setting ditch afterbody, described stock pump connects stock tank.
2. a kind of paper waste recycling system as claimed in claim 1, it is characterized in that, the bottom in described bio-oxidation decolouring pond is equipped with air duct, above described air duct, be provided with active sludge, on described air duct, be evenly equipped with production well, described bio-oxidation decolouring pond connecting fan is stretched out in one end of described air duct, in described bio-oxidation decolouring pond and described active sludge above be provided with activated carbon fiber silk filtering layer.
3. a kind of paper waste recycling system as claimed in claim 1, it is characterized in that, described settling tower comprises housing and upper cover, described housing comprises columnar upper housing and funnel shaped lower housing, the top of described upper housing is provided with rising pipe, and the bottom of described lower housing is provided with mud discharging mouth, is covered with through on described the waste pipe that enters stretching in described upper housing, described enter the end of waste pipe be provided with anti-stream bucket, and described in enter waste pipe and be provided with spiral helicine damping sheet;
Described rising pipe is communicated with described reuse pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744537.XU CN203593685U (en) | 2013-11-21 | 2013-11-21 | Recycling and reusing system for wastewater produced during paper making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320744537.XU CN203593685U (en) | 2013-11-21 | 2013-11-21 | Recycling and reusing system for wastewater produced during paper making |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203593685U true CN203593685U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320744537.XU Expired - Fee Related CN203593685U (en) | 2013-11-21 | 2013-11-21 | Recycling and reusing system for wastewater produced during paper making |
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| Country | Link |
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| CN (1) | CN203593685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314922A (en) * | 2021-12-31 | 2022-04-12 | 刘亚萍 | Textile printing and dyeing waste decoloring process and device |
-
2013
- 2013-11-21 CN CN201320744537.XU patent/CN203593685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114314922A (en) * | 2021-12-31 | 2022-04-12 | 刘亚萍 | Textile printing and dyeing waste decoloring process and device |
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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: 20140514 Termination date: 20161121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |