CN113307364A - Double-circulation anaerobic reactor for paper machine system - Google Patents

Double-circulation anaerobic reactor for paper machine system Download PDF

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Publication number
CN113307364A
CN113307364A CN202110580136.4A CN202110580136A CN113307364A CN 113307364 A CN113307364 A CN 113307364A CN 202110580136 A CN202110580136 A CN 202110580136A CN 113307364 A CN113307364 A CN 113307364A
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CN
China
Prior art keywords
anaerobic reaction
anaerobic
stirring
rotating shaft
adsorption net
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110580136.4A
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Chinese (zh)
Inventor
贺康
李栋
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.)
Nine Dragons Paper Industries Tianjin Co ltd
Original Assignee
Nine Dragons Paper Industries Tianjin Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nine Dragons Paper Industries Tianjin Co ltd filed Critical Nine Dragons Paper Industries Tianjin Co ltd
Priority to CN202110580136.4A priority Critical patent/CN113307364A/en
Publication of CN113307364A publication Critical patent/CN113307364A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/286Anaerobic digestion processes including two or more steps
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/28Anaerobic digestion processes
    • C02F3/2866Particular arrangements for anaerobic reactors
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

Abstract

The invention provides a double-circulation anaerobic reactor for a paper machine system, which is characterized by comprising an anaerobic reaction shell, a water inlet, a water outlet, an air guide pipe, an air outlet, a motor, a first anaerobic reaction mechanism and a second anaerobic reaction mechanism, wherein the anaerobic reaction shell is internally provided with the first anaerobic reaction mechanism and the second anaerobic reaction mechanism; through the design, the papermaking wastewater flowing into the device is subjected to secondary anaerobic reaction to obtain further oxidation treatment, so that the cleanness degree of the discharged liquid is improved.

Description

Double-circulation anaerobic reactor for paper machine system
Technical Field
The invention relates to the technical field of papermaking wastewater treatment, in particular to a double-circulation anaerobic reactor for a papermaking machine system.
Background
The papermaking industry is an industry with large water consumption and great pollution, and the organic matter discharged by the papermaking wastewater accounts for about 25 percent of the total organic matter of the industrial wastewater in China, so that the environment is seriously polluted, therefore, the zero discharge of the papermaking wastewater is a practical production technology which saves water and treats pollution, has better economic benefit, obvious social benefit and environmental benefit, and is also a necessary choice for realizing sustainable development of the papermaking industry;
anaerobic microorganism reaction of the existing papermaking anaerobic reactor can not be fully carried out, and the wastewater treatment is incomplete, so that the sludge content in the discharged liquid is high; in addition, a large amount of sludge and sand can be accumulated in the existing anaerobic reaction process, and the treatment efficiency of the anaerobic reaction is influenced.
Disclosure of Invention
According to the technical problem, the invention provides a double-circulation anaerobic reactor for a paper machine system, which is characterized by comprising an anaerobic reaction shell, a water inlet, a water outlet, an air guide pipe, an air outlet, a motor, a first anaerobic reaction mechanism and a second anaerobic reaction mechanism, wherein the first anaerobic reaction mechanism and the second anaerobic reaction mechanism are arranged in the anaerobic reaction shell;
the first anaerobic reaction mechanism comprises a rotating shaft rod A, a stirring device, an adsorption net A and a first anaerobic reaction area, wherein the rotating shaft rod A is welded on the outer side of the motor output shaft, the stirring device is welded on the upper side of the rotating shaft rod A, the adsorption net A is arranged on the lower side of the stirring device, and the first anaerobic reaction area is arranged on the upper side of the adsorption net A
The second anaerobic reaction mechanism comprises a rotating shaft B, a stirring device, an adsorption net B and a second anaerobic reaction zone, wherein a rotating shaft B is welded on the outer side of the output of the motor, the rotating shaft B is positioned on the lower side of the rotating shaft A, the stirring device is welded on the upper side of the rotating shaft B, the adsorption net B is arranged on the lower side of the stirring device, and the second anaerobic reaction zone is arranged on the upper side of the adsorption net B;
agitating unit includes puddler, brush board, the brush board is installed through the bolt in the puddler outside, be provided with the bin outlet in the anaerobic reaction shell, the bin outlet is located first anaerobic reaction district, second anaerobic reaction district respectively.
The invention has the beneficial effects that: the invention arranges a first anaerobic reaction area and a second anaerobic reaction area; when the anaerobic papermaking wastewater treatment device is used, papermaking wastewater treated to a certain degree is discharged into the first anaerobic reaction zone through the water inlet, the papermaking wastewater is decomposed by anaerobic bacteria in the adsorption net A at the bottom of the anaerobic reaction zone, the decomposed papermaking wastewater flows into the second anaerobic reaction zone, and the papermaking wastewater is further decomposed by the anaerobic bacteria in the adsorption net B at the bottom of the second anaerobic reaction zone; the decomposed on-duty wastewater is conveyed to the next reactor through a water outlet; biogas generated in the second anaerobic reaction zone enters the first anaerobic reaction zone through the gas guide pipe and is discharged from the gas outlet along with the biogas generated in the first anaerobic reaction zone; through the design, the papermaking wastewater flowing into the device is subjected to secondary anaerobic reaction to obtain further oxidation treatment, so that the cleanness of the discharged liquid is improved;
the invention sets electromechanical, the outer side of the output shaft of the motor is respectively provided with a rotating shaft rod A and a rotating shaft rod B, so that the rotating shaft rod A is positioned in a first anaerobic reaction zone, and the rotating shaft rod B is positioned in a second anaerobic reaction zone; arranging discharge ports in the first anaerobic reaction zone and the second anaerobic reaction zone respectively; when the anaerobic reaction shell is used, the motor is started to drive the rotating shaft rod A and the stirring device on the rotating shaft rod B to rotate, soil and sand attached to the inner wall of the anaerobic reaction shell can be removed through stirring of the stirring device, and the anaerobic bacteria decomposition rate can be increased through stirring; then soil and sandstone can be discharged from the anaerobic reactor by opening the discharge outlet; through the structural design, the anaerobic treatment efficiency of the anaerobic treatment device is greatly improved by stirring and discharging soil and gravels.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
As shown in the figure, 1-an anaerobic reaction shell, 2-a water inlet, 3-a water outlet, 4-an air duct, 5-an air outlet, 6-a motor, 7-a discharge outlet, 8-a rotating shaft rod A, 9-a rotating shaft rod B, 10-a brush piece, 11-a stirring rod, 12-an adsorption net A, 13-an adsorption net B, 14-a first anaerobic reaction zone and 15-a second anaerobic reaction zone.
Detailed Description
Example 1
The invention provides a double-circulation anaerobic reactor for a paper machine system, which is characterized by comprising an anaerobic reaction shell 1, a water inlet 2, a water outlet 3, a gas guide pipe 4, an exhaust port 5, a motor 6, a first anaerobic reaction mechanism and a second anaerobic reaction mechanism, wherein the anaerobic reaction shell 1 is internally provided with the first anaerobic reaction mechanism and the second anaerobic reaction mechanism, the lower side of the anaerobic reaction shell 1 is provided with the water outlet 3, the right side of the anaerobic reaction shell 1 is provided with the water inlet 2, the left side of the anaerobic reaction shell 1 is provided with the gas guide pipe 4, the gas guide pipe 4 is connected with the first anaerobic reaction mechanism and the second anaerobic reaction mechanism, the upper side of the anaerobic reaction shell 1 is provided with the motor 6 through bolts, the right side of the motor 6 is provided with the exhaust port 5, and the exhaust port 5 is positioned at the upper side of the anaerobic reaction shell 1;
first anaerobic reaction mechanism includes pivot pole A8, agitating unit, adsorbs net A12, first anaerobic reaction district 14, and the welding of motor 6 output shaft outside has pivot pole A8, and the welding of pivot pole A8 upside has agitating unit, and the agitating unit downside is provided with adsorbs net A12, and it is provided with first anaerobic reaction district 14 to adsorb net A12 upside
The second anaerobic reaction mechanism comprises a rotating shaft B, a stirring device, an adsorption net B13 and a second anaerobic reaction zone 15, a rotating shaft rod B9 is welded at the outer side of the output of the motor 6, a rotating shaft rod B9 is positioned at the lower side of the rotating shaft rod A8, the stirring device is welded at the upper side of the rotating shaft rod B9, the adsorption net B13 is arranged at the lower side of the stirring device, and the second anaerobic reaction zone 15 is arranged at the upper side of the adsorption net B13;
agitating unit includes puddler 11, brush board 10, and brush board 10 is installed through the bolt in the puddler 11 outside, is provided with bin outlet 7 in the anaerobic reaction shell 1, and bin outlet 7 is located first anaerobic reaction district 14, second anaerobic reaction district 15 respectively.
Example 2
When the anaerobic papermaking wastewater treatment device is used, papermaking wastewater treated to a certain degree is discharged into the first anaerobic reaction zone 14 through the water inlet 2, the papermaking wastewater is decomposed through anaerobic bacteria in the adsorption net A12 at the bottom of the anaerobic reaction zone, the decomposed papermaking wastewater flows into the second anaerobic reaction zone 15, and the papermaking wastewater is further decomposed through the anaerobic bacteria in the adsorption net B13 at the bottom of the second anaerobic reaction zone 15; the decomposed on-duty wastewater is conveyed to the next reactor through a water outlet 3; biogas generated by the second anaerobic reaction zone 15 enters the first anaerobic reaction zone 14 through the gas guide pipe 4 and is discharged from the gas outlet 5 along with the biogas generated by the first reaction zone; when the anaerobic reactor is used, the motor 6 is started, the motor 6 drives the rotating shaft rod A8 and the stirring device on the rotating shaft rod B9 to rotate, soil and gravels attached to the inner wall of the anaerobic reaction shell 1 can be removed through stirring of the stirring device, and the anaerobic bacteria decomposition rate can be increased through stirring; then soil and sand can be discharged from the anaerobic reactor by opening the discharge outlet 7; through the structural design, the anaerobic treatment efficiency of the anaerobic treatment device is greatly improved by stirring and discharging soil and gravels.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (3)

1. A dual-cycle anaerobic reactor for a paper machine system is characterized by comprising an anaerobic reaction shell, a water inlet, a water outlet, an air guide pipe, an air outlet, a motor, a first anaerobic reaction mechanism and a second anaerobic reaction mechanism, wherein the anaerobic reaction shell is internally provided with the first anaerobic reaction mechanism and the second anaerobic reaction mechanism;
the first anaerobic reaction mechanism comprises a rotating shaft rod A, a stirring device, an adsorption net A and a first anaerobic reaction area, wherein the rotating shaft rod A is welded on the outer side of the motor output shaft, the stirring device is welded on the upper side of the rotating shaft rod A, the adsorption net A is arranged on the lower side of the stirring device, and the first anaerobic reaction area is arranged on the upper side of the adsorption net A
The second anaerobic reaction mechanism comprises a rotating shaft B, a stirring device, an adsorption net B and a second anaerobic reaction area, wherein a rotating shaft B is welded on the outer side of the output of the motor, the rotating shaft B is located on the lower side of the rotating shaft A, the stirring device is welded on the upper side of the rotating shaft B, the adsorption net B is arranged on the lower side of the stirring device, and the second anaerobic reaction area is arranged on the upper side of the adsorption net B.
2. A dual cycle anaerobic reactor for a paper machine system according to claim 1, characterized in that said stirring means comprises a stirring rod, brush plates, said stirring rod being externally bolted with brush plates.
3. A dual cycle anaerobic reactor for a paper machine system according to claim 1, wherein a discharge outlet is provided in the anaerobic reaction housing, the discharge outlet being located in the first anaerobic reaction zone and the second anaerobic reaction zone, respectively.
CN202110580136.4A 2021-05-26 2021-05-26 Double-circulation anaerobic reactor for paper machine system Pending CN113307364A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110580136.4A CN113307364A (en) 2021-05-26 2021-05-26 Double-circulation anaerobic reactor for paper machine system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110580136.4A CN113307364A (en) 2021-05-26 2021-05-26 Double-circulation anaerobic reactor for paper machine system

Publications (1)

Publication Number Publication Date
CN113307364A true CN113307364A (en) 2021-08-27

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Country Status (1)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102863080A (en) * 2012-10-19 2013-01-09 广西绿晨环境工程有限公司 Bi-circulating multistage anaerobic reaction device
CN202688089U (en) * 2012-07-21 2013-01-23 浙江大学 Internal circulation hydrolysis anaerobic reaction device
CN105174429A (en) * 2015-08-05 2015-12-23 天紫工程管理(天津)有限公司 High efficiency sewage filtering fermentation purification treatment system
CN206705781U (en) * 2017-05-09 2017-12-05 傅文尾 A kind of septic tank for being easy to sanitary sewage disposal
CN207175576U (en) * 2017-08-18 2018-04-03 江苏理文造纸有限公司 A kind of paper waste system for anaerobic treatment
CN209974409U (en) * 2019-04-02 2020-01-21 泉州市百川环保工程有限公司 Anaerobic reactor for landfill leachate treatment
CN210765284U (en) * 2019-08-05 2020-06-16 杭州龙鹿环保科技有限公司 Water treatment microbial fermentation preparation facilities
CN211644759U (en) * 2019-10-30 2020-10-09 南京江岛环境科技研究院有限公司 Anti-scaling anaerobic reaction system
CN212864502U (en) * 2020-08-19 2021-04-02 河北胜尔邦环保科技有限公司 Anaerobic reactor for sludge digestion

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202688089U (en) * 2012-07-21 2013-01-23 浙江大学 Internal circulation hydrolysis anaerobic reaction device
CN102863080A (en) * 2012-10-19 2013-01-09 广西绿晨环境工程有限公司 Bi-circulating multistage anaerobic reaction device
CN105174429A (en) * 2015-08-05 2015-12-23 天紫工程管理(天津)有限公司 High efficiency sewage filtering fermentation purification treatment system
CN206705781U (en) * 2017-05-09 2017-12-05 傅文尾 A kind of septic tank for being easy to sanitary sewage disposal
CN207175576U (en) * 2017-08-18 2018-04-03 江苏理文造纸有限公司 A kind of paper waste system for anaerobic treatment
CN209974409U (en) * 2019-04-02 2020-01-21 泉州市百川环保工程有限公司 Anaerobic reactor for landfill leachate treatment
CN210765284U (en) * 2019-08-05 2020-06-16 杭州龙鹿环保科技有限公司 Water treatment microbial fermentation preparation facilities
CN211644759U (en) * 2019-10-30 2020-10-09 南京江岛环境科技研究院有限公司 Anti-scaling anaerobic reaction system
CN212864502U (en) * 2020-08-19 2021-04-02 河北胜尔邦环保科技有限公司 Anaerobic reactor for sludge digestion

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