CN205442976U - Anaerobic treatment system of papermaking waste water - Google Patents
Anaerobic treatment system of papermaking waste water Download PDFInfo
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- CN205442976U CN205442976U CN201620123809.8U CN201620123809U CN205442976U CN 205442976 U CN205442976 U CN 205442976U CN 201620123809 U CN201620123809 U CN 201620123809U CN 205442976 U CN205442976 U CN 205442976U
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- water
- phase separator
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- locator
- housing
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Abstract
The utility model discloses an anaerobic treatment system of papermaking waste water, including the air supporting pond that connects gradually, acidizing pond, anaerobism reaction tower and discharging pool in advance, be provided with the waste water entry on the air supporting pond, be connected with backwash pump and marsh gas processing interface on the anaerobism reaction tower, the anaerobism reaction tower includes the casing, be located the casing bottom the water inlet, be located the delivery port on casing upper portion, be provided with the water -locator in the casing bottom, the top of water -locator is provided with one -level three -phase separator, one -level three -phase separator with be provided with the fluidized bed reaction room between the water -locator, one -level three -phase separator's upper portion is provided with second grade three -phase separator, be provided with the deep purification reacting chamber between second grade three -phase separator and the one -level three -phase separator. The utility model discloses can carry out effective purification treatment to papermaking waste water, the produced marsh gas of waste water treatment can be retrieved effectively simultaneously.
Description
[technical field]
This utility model relates to the technical field of the technical field of environmental protection equipment, particularly Waste Water Treatment.
[background technology]
Paper industry is one of big industrial pollution source in the world 6, accounts for about the 10% of the total wastewater flow rate of China's industry, and paper waste is mainly high concentrated organic wastewater, and containing pollutant such as lignin, residual alkali, sulfide, chlorides.Being characterized in that wastewater flow rate is big, COD mass concentration is high, and the fibre suspension in waste water is many, and containing second order element sulphur, colourity is high, has thio-alcohol foul odour.
The method of exerting oneself of paper waste has multiple, such as the absorption method in physical treatment process, flocculence, electrodialytic technique, Ultrasonic Film, and hydrothermal oxidization method in method of chemical treatment, photochemical catalytic oxidation, wet oxidation process, electrochemical oxidation process etc., also include the aerobe oxidizing process in biological treatment and Anaerobic biotreatment method etc.；Wherein anaerobic bio-treated is to utilize the treatment technology of facultative anaerobe and obligate anaerobe degradable organic pollutant in the absence of oxygen.During anaerobic bio-treated, complicated organic compound is degraded and is converted into simple, stable compound, releases energy simultaneously, and wherein most energy occurs with the form of methane.
It is therefore necessary to the anaerobic treatment of paper waste is carried out system optimization, thus make full use of the product of pulping wastewater treatment, save the energy, reduce and cause waste.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes the system for anaerobic treatment of a kind of paper waste, it is possible to paper waste carries out effective purified treatment, and the produced methane energy of waste water process simultaneously accesses and effectively reclaims.
For achieving the above object, the utility model proposes the system for anaerobic treatment of a kind of paper waste, including the flotation tank being sequentially connected with, pre-acidified pond, anaerobic reaction tower and discharge pond；Being provided with waterwater entrance on described flotation tank, described anaerobic reaction tower connects reflux pump and biogas treatment interface；Described anaerobic reaction tower includes housing, the water inlet being positioned at housing bottom, is positioned at the outlet of housing upper, it is provided with water-locator in described housing bottom, described water-locator be provided above one-level three phase separator, it is provided with fluidized-bed reaction room between described one-level three phase separator and described water-locator, the top of described one-level three phase separator is provided with two grades of three phase separators, is provided with deep purifying reative cell between described two grades of three phase separators and one-level three phase separator；Described case top is provided with rotary gas-liquid separator, it is provided with flange bottom described cyclone gas-liquid separator, it is additionally provided with the down-flow pipe from flange to fluidized-bed reaction room in described housing, in described housing, is provided with again the lifting pipe from cyclone gas-liquid separator to one-level three phase separator；The top of described cyclone gas-liquid separator is provided with described biogas treatment interface.
As preferably, described water-locator is cone-shaped, and the water that water inlet flows into is laid in housing bottom uniformly by water-locator.
The beneficial effects of the utility model: this utility model by being passed through multiple processing links being sequentially communicated of setting by paper waste, make waste water can obtain adapting to the pretreatment of pending waste water characteristic in flotation tank and pre-acidified pond, so that the waste water initial condition entering anaerobic reaction tower is unified, in anaerobic reaction tower, effectively carry out anaerobism purified treatment；Being had the anaerobic reaction tower of two-stage three phase separator by setting, and arrange the pipeline of reusable edible separation water so that waste water processes the biogas obtained and can effectively collect, separator classification is clear, does not results in secondary and mixes.
Feature of the present utility model and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the integrated connection block diagram of the system for anaerobic treatment of this utility model paper waste；
Fig. 2 be this utility model paper waste system for anaerobic treatment in the cut-away view of anaerobic reaction tower.
In figure: 1-housing, 2-water inlet, 3-water-locator, 4-fluidized-bed reaction room, 5-lifting pipe, 6-deep purifying reative cell, 7-outlet, 8-biogas treatment interface, 9-cyclone gas-liquid separator, 10-flange, bis-grades of three phase separators of 11-, 12-down-flow pipe, 13-one-level three phase separator.
[detailed description of the invention]
Refering to Fig. 1 and Fig. 2, the system for anaerobic treatment of a kind of paper waste of this utility model, including the flotation tank being sequentially connected with, pre-acidified pond, anaerobic reaction tower and discharge pond；Being provided with waterwater entrance on described flotation tank, described anaerobic reaction tower connects reflux pump and biogas treatment interface 8；Described anaerobic reaction tower includes housing 1, is positioned at the water inlet 2 bottom housing 1, is positioned at the outlet 7 on housing 1 top, it is provided with water-locator 3 in bottom described housing 1, described water-locator 3 be provided above one-level three phase separator 13, it is provided with fluidized-bed reaction room 4 between described one-level three phase separator 13 and described water-locator 3, the top of described one-level three phase separator 13 is provided with two grades of three phase separators 11, is provided with deep purifying reative cell 6 between described two grades of three phase separators 11 and one-level three phase separator 13；Described housing 1 top is provided with rotary gas-liquid separator 9, it is provided with flange 10 bottom described cyclone gas-liquid separator 9, it is additionally provided with the down-flow pipe 12 from flange 10 to fluidized-bed reaction room 4 in described housing 1, in described housing 1, is provided with again the lifting pipe 5 from cyclone gas-liquid separator 9 to one-level three phase separator 13；The top of described cyclone gas-liquid separator 9 is provided with described biogas treatment interface 8.
Described water-locator 3 is in cone-shaped, and the water that water inlet 2 flows into is laid in bottom housing 1 uniformly by water-locator 3.
Utility model works process:
The system for anaerobic treatment of a kind of paper waste of this utility model is in the course of the work, paper waste enters flotation tank from waterwater entrance, removal of bubbles is carried out in flotation tank, then waste water flows into pre-acidified pond, in pre-acidified pond, by addition NaOH and clear water, the pH value of waste water is neutralized process, making pH value control between 6.8-7.2, through the two link, waste water can be according to the unified acid-base value of the pretreated one-tenth of practical situation；Waste water enters the bottom of anaerobic reaction tower through reflux pump, it is sufficiently mixed with anaerobic grain under the effect of bottom water-locator 3, in fluidized-bed reaction room 4, major part Organic substance is converted into methane and carbon dioxide, these mixed gas i.e. biogas is collected by the one-level three phase separator 13 of low level, the gas produced is in lifting pipe 5 rises to cyclone gas-liquid separator 9, biogas is collected by the biogas treatment interface 8 on cyclone gas-liquid separator 9 top, the moisture being separated returns to the bottom of housing 1 by the down-flow pipe 12 connected with flange 10, circulation in being formed；Meanwhile, the moisture entrance deep purifying reative cell 6 produced at one-level three phase separator 13 continues reaction treatment, and the gas of generation is collected by two grades of three phase separators 11, and is finally collected processing at biogas treatment interface 8, and portion of water flows out at outlet 7.
This utility model, by paper waste being passed through multiple processing links being sequentially communicated of setting, make waste water can obtain adapting to the pretreatment of pending waste water characteristic in flotation tank and pre-acidified pond, so that the waste water initial condition entering anaerobic reaction tower is unified, in anaerobic reaction tower, effectively carry out anaerobism purified treatment；Being had the anaerobic reaction tower of two-stage three phase separator by setting, and arrange the pipeline of reusable edible separation water so that waste water processes the biogas obtained and can effectively collect, separator classification is clear, does not results in secondary and mixes.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after this utility model simple transformation is belonged to protection domain of the present utility model.
Claims (2)
1. the system for anaerobic treatment of a paper waste, it is characterised in that: include flotation tank, pre-acidified pond, anaerobic reaction tower and the discharge pond being sequentially connected with；Being provided with waterwater entrance on described flotation tank, described anaerobic reaction tower connects reflux pump and biogas treatment interface (8)；Described anaerobic reaction tower includes housing (1), it is positioned at the water inlet (2) of housing (1) bottom, it is positioned at the outlet (7) on housing (1) top, described housing (1) is provided with water-locator (3) in bottom, described water-locator (3) be provided above one-level three phase separator (13), fluidized-bed reaction room (4) it is provided with between described one-level three phase separator (13) and described water-locator (3), the top of described one-level three phase separator (13) is provided with two grades of three phase separators (11), it is provided with deep purifying reative cell (6) between described two grades of three phase separators (11) and one-level three phase separator (13)；Described housing (1) top is provided with cyclone gas-liquid separator (9), described cyclone gas-liquid separator (9) bottom is provided with flange (10), it is additionally provided with the down-flow pipe (12) from flange (10) to fluidized-bed reaction room (4) in described housing (1), in described housing (1), is provided with again the lifting pipe (5) from cyclone gas-liquid separator (9) to one-level three phase separator (13)；The top of described cyclone gas-liquid separator (9) is provided with described biogas treatment interface (8).
2. the system for anaerobic treatment of paper waste as claimed in claim 1, it is characterized in that: described water-locator (3) is in cone-shaped, and the water that water inlet (2) flows into is laid in housing (1) bottom uniformly by water-locator (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123809.8U CN205442976U (en) | 2016-02-17 | 2016-02-17 | Anaerobic treatment system of papermaking waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123809.8U CN205442976U (en) | 2016-02-17 | 2016-02-17 | Anaerobic treatment system of papermaking waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205442976U true CN205442976U (en) | 2016-08-10 |
Family
ID=56581678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123809.8U Expired - Fee Related CN205442976U (en) | 2016-02-17 | 2016-02-17 | Anaerobic treatment system of papermaking waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205442976U (en) |
-
2016
- 2016-02-17 CN CN201620123809.8U patent/CN205442976U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180217 |