CN110902951A - Continuous physical chemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater - Google Patents
Continuous physical chemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater Download PDFInfo
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- CN110902951A CN110902951A CN201911214692.9A CN201911214692A CN110902951A CN 110902951 A CN110902951 A CN 110902951A CN 201911214692 A CN201911214692 A CN 201911214692A CN 110902951 A CN110902951 A CN 110902951A
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- tank
- wastewater
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention relates to the technical field of wastewater treatment, and discloses a continuous physicochemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater, which comprises the steps of one to seven.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a continuous physicochemical and biochemical energy-saving process for wood industry wastewater and artificial board wastewater.
Background
At present, wood waste water is generated in the production process of the wood production industry and the artificial board production industry. The waste water mainly contains organic matters such as wood fiber, resin, organic acid, cellulose and the like, and also contains silt and inorganic matters besides the organic matters. Therefore, the wastewater generated in the production of the artificial board can be discharged after being treated, but the treatment to reach the standard of being reused in production has certain difficulty.
Disclosure of Invention
The invention mainly provides a continuous physicochemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater,
in order to solve the technical problems, the invention adopts the following technical scheme:
the continuous biochemical energy-saving process for treating wood waste water and artificial board waste water includes the following steps:
step one, all the wastewater enters a materialization tank through a water pump to realize the materialization of the wastewater;
step two, the effluent after materialization flows into a materialization separation tank for precipitation;
step three, enabling the effluent of the materialization separation tank to flow into a regulating tank, and discharging the separated sludge into a sludge collection tank;
feeding the effluent of the regulating tank into an anaerobic tank through a metering pump to perform anaerobic reaction;
fifthly, enabling the effluent of the anaerobic tank to flow into a primary hydrolysis tank for sewage hydrolysis reaction;
step six, the effluent of the primary hydrolysis tank flows into a secondary aerobic tank for aerobic reaction;
and step seven, enabling the effluent of the secondary aerobic tank to flow into a secondary coagulation tank for coagulation reaction, performing sludge separation after the coagulation reaction, discharging the sludge into a sludge collecting tank in the step three, and enabling the effluent of the secondary coagulation tank to reach the discharge standard.
Further, all the tanks in the first step to the seventh step adopt water pressure to automatically discharge sludge, and the sludge in the sludge collection tank is dewatered by a dewatering machine and then is pressed to be dried into a sludge cake; wherein the wastewater separated during the dehydration treatment is introduced into the regulating tank, and the wastewater treatment circulation is carried out again.
Further, except the materialized tank, all the ponds in the steps from the first step to the seventh step are formed by integrally combining a plurality of layers of structures and are in seamless butt joint.
Further, the wastewater treatment in the process comprises the steps of starting materialization, anaerobic reaction, aerobic reaction, secondary coagulation reaction and the like until the effluent reaches the standard, wherein the wastewater flows in a mode of water level difference flowing except for the regulating tank.
Further, the anaerobic reaction in the fourth step is a normal pressure reaction.
Has the advantages that: the process has the advantages of simplicity, applicability, high treatment efficiency, good impact resistance, stability, standard reaching, low operation cost, high automation degree and the like.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
Detailed Description
The technical scheme of the continuous physicochemical biochemical energy-saving process for the wood industry wastewater and the artificial board wastewater related to the invention is further explained in detail by combining the embodiment.
As shown in fig. 1, the continuous physicochemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater of the embodiment includes the following steps:
step one, all the wastewater enters a materialization tank through a water pump to realize the materialization of the wastewater;
step two, the effluent after materialization flows into a materialization separation tank for precipitation;
step three, enabling the effluent of the materialization separation tank to flow into a regulating tank, and discharging the separated sludge into a sludge collection tank;
feeding the effluent of the regulating tank into an anaerobic tank through a metering pump to perform anaerobic reaction;
fifthly, enabling the effluent of the anaerobic tank to flow into a primary hydrolysis tank for sewage hydrolysis reaction;
step six, the effluent of the primary hydrolysis tank flows into a secondary aerobic tank for aerobic reaction;
and step seven, enabling the effluent of the secondary aerobic tank to flow into a secondary coagulation tank for coagulation reaction, performing sludge separation after the coagulation reaction, discharging the sludge into a sludge collecting tank in the step three, and enabling the effluent of the secondary coagulation tank to reach the discharge standard.
Further, all the tanks in the first step to the seventh step adopt water pressure to automatically discharge sludge, and the sludge in the sludge collection tank is dewatered by a dewatering machine and then is pressed to be dried into a sludge cake; wherein the wastewater separated during the dehydration treatment is introduced into the regulating tank, and the wastewater treatment circulation is carried out again.
Further, except the materialized tank, all the ponds in the steps from the first step to the seventh step are formed by integrally combining a plurality of layers of structures and are in seamless butt joint.
Further, the wastewater treatment in the process comprises the steps of starting materialization, anaerobic reaction, aerobic reaction, secondary coagulation reaction and the like until the effluent reaches the standard, wherein the wastewater flows in a mode of water level difference flowing except for the regulating tank.
Further, the anaerobic reaction in the fourth step is a normal pressure reaction.
The process has the advantages of simplicity, applicability, high treatment efficiency, good impact resistance, stability, standard reaching, low operation cost, high automation degree and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The continuous biochemical energy-saving process for wood industry wastewater and artificial board wastewater is characterized by comprising the following steps of:
step one, all the wastewater enters a materialization tank through a water pump to realize the materialization of the wastewater;
step two, the effluent after materialization flows into a materialization separation tank for precipitation;
step three, enabling the effluent of the materialization separation tank to flow into a regulating tank, and discharging the separated sludge into a sludge collection tank;
feeding the effluent of the regulating tank into an anaerobic tank through a metering pump to perform anaerobic reaction;
fifthly, enabling the effluent of the anaerobic tank to flow into a primary hydrolysis tank for sewage hydrolysis reaction;
step six, the effluent of the primary hydrolysis tank flows into a secondary aerobic tank for aerobic reaction;
and step seven, enabling the effluent of the secondary aerobic tank to flow into a secondary coagulation tank for coagulation reaction, performing sludge separation after the coagulation reaction, discharging the sludge into a sludge collecting tank in the step three, and enabling the effluent of the secondary coagulation tank to reach the discharge standard.
2. The process according to claim 1, characterized in that: all the tanks in the first step to the seventh step adopt water pressure to automatically discharge sludge, and the sludge in the sludge collection tank is dewatered by a dewatering machine and then is pressed into a sludge cake; wherein the wastewater separated during the dehydration treatment is introduced into the regulating tank, and the wastewater treatment circulation is carried out again.
3. The process according to claim 1, characterized in that: except the materialized tank, all the ponds in the steps from the first step to the seventh step are formed by integrally combining a plurality of layers of structures and are in seamless butt joint.
4. The process according to claim 1, characterized in that: the wastewater treatment in the process comprises the steps of starting materialization, anaerobic reaction, aerobic reaction, secondary coagulation reaction and the like until effluent reaches the standard, wherein wastewater flows in a water level difference flowing mode except for the regulating tank.
5. The process according to claim 1, characterized in that: the anaerobic reaction in the fourth step is a normal pressure reaction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214692.9A CN110902951A (en) | 2019-12-02 | 2019-12-02 | Continuous physical chemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911214692.9A CN110902951A (en) | 2019-12-02 | 2019-12-02 | Continuous physical chemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN110902951A true CN110902951A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911214692.9A Pending CN110902951A (en) | 2019-12-02 | 2019-12-02 | Continuous physical chemical biochemical energy-saving process for wood industry wastewater and artificial board wastewater |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060194303A1 (en) * | 2004-12-21 | 2006-08-31 | Novozymes Biologicals, Inc. | Wastewater treatment compositions |
| WO2008093287A1 (en) * | 2007-01-30 | 2008-08-07 | Water Research Commission | Treatment of wastewaters using dual-stage membrane bioreactors |
| CN101885561A (en) * | 2010-06-28 | 2010-11-17 | 嘉汉林业(广州)有限公司 | Recombinant decorative material production waste water treatment process |
| CN104261634A (en) * | 2014-10-17 | 2015-01-07 | 南宁金科环境工程有限公司 | Artificial board wastewater treatment system and technology |
| CN204848566U (en) * | 2015-06-12 | 2015-12-09 | 山东永港伟方环保材料科技有限公司 | Wood -based plate sewage treatment system |
| KR101780626B1 (en) * | 2017-04-29 | 2017-09-21 | 주식회사 한국환경기술 | Wastewater treatment mothod using a complex microbial agent |
| CN108341558A (en) * | 2018-04-24 | 2018-07-31 | 中节能工程技术研究院有限公司 | A kind of advanced waste treatment system and technique |
-
2019
- 2019-12-02 CN CN201911214692.9A patent/CN110902951A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060194303A1 (en) * | 2004-12-21 | 2006-08-31 | Novozymes Biologicals, Inc. | Wastewater treatment compositions |
| WO2008093287A1 (en) * | 2007-01-30 | 2008-08-07 | Water Research Commission | Treatment of wastewaters using dual-stage membrane bioreactors |
| CN101885561A (en) * | 2010-06-28 | 2010-11-17 | 嘉汉林业(广州)有限公司 | Recombinant decorative material production waste water treatment process |
| CN104261634A (en) * | 2014-10-17 | 2015-01-07 | 南宁金科环境工程有限公司 | Artificial board wastewater treatment system and technology |
| CN204848566U (en) * | 2015-06-12 | 2015-12-09 | 山东永港伟方环保材料科技有限公司 | Wood -based plate sewage treatment system |
| KR101780626B1 (en) * | 2017-04-29 | 2017-09-21 | 주식회사 한국환경기술 | Wastewater treatment mothod using a complex microbial agent |
| CN108341558A (en) * | 2018-04-24 | 2018-07-31 | 中节能工程技术研究院有限公司 | A kind of advanced waste treatment system and technique |
Non-Patent Citations (2)
| Title |
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| 郭亚丹等: "《水处理工程设计指南及案例》", 30 April 2017, 冶金工业出版社 * |
| 钱易等: "《水体颗粒物和难降解有机物的特性与控制技术原理 下卷 难降解有机物》", 31 December 2000, 中国环境科学出版社 * |
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