CN102432147A - Wet-type anaerobic digestion degritting device for sludge - Google Patents
Wet-type anaerobic digestion degritting device for sludge Download PDFInfo
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- CN102432147A CN102432147A CN2011103193572A CN201110319357A CN102432147A CN 102432147 A CN102432147 A CN 102432147A CN 2011103193572 A CN2011103193572 A CN 2011103193572A CN 201110319357 A CN201110319357 A CN 201110319357A CN 102432147 A CN102432147 A CN 102432147A
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- sludge
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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Abstract
The invention relates to a wet-type anaerobic digestion degritting device for sludge, which consists of a sludge-in, agitating, sludge-out, and sludge degritting device and a backflow device. A wet-type anaerobic digestion reactor is a sealed container. A sludge inlet pipe and a digestion air pipe are respectively at the top of the wet-type anaerobic digestion reactor, a sludge discharge pipe is arranged at the bottom and a liquid supernatant pipe is arranged at the middle-upper part. The bottom inside the wet-type anaerobic digestion reactor is connected with a spiral degritting device through a pipeline and a sludge pump. The wet-type anaerobic digestion reactor is provided with an agitator. The wet-type anaerobic digestion degritting device for sludge can remove sand contained in the wet-type anaerobic digestion device for municipal sludge, and reduces the loss of machine due to subsequent operations so that the municipal sludge is anaerobically digested more adequately so as to turn the sludge into resources better.
Description
Technical field
The invention belongs to useless admittedly recycling field, be specifically related to a kind of mud wet type anaerobic digestion desanding device.
Background technology
Municipal sludge is meant the settling that the municipal sewage plant is produced in to sewage treatment process, reach the general name of the formed residue of floating foam of blowing out on the sewage surface.At present, China's municipal sludge contracts amount has reached the scale of 3,000 ten thousand tons (dewatered sludges of water ratio 80%), and to " 12 " latter stage, expectation will reach nearly 5,000 ten thousand tons scale.And China's sludge treatment is started late, and there is " the light mud of heavy water " phenomenon in the early stage sewage work that builds, and the weak link that becomes China water pollution control field is disposed in the safe handling of mud.Contained total following four kinds of the main flow sludge treatment disposal technology route of west more than 95% at present; Deep dehydration+landfill; Mummification+burning+lime-ash landfill or building materials utilization, aerobic fermentation+soil utilization (agricultural is main) and anaerobic digestion+soil utilization (agricultural is main).Because the social demand of Sustainable development and the support on policy of government department, the center of gravity that current municipal sludge is handled turn to development of resources by polluting control.Because of the anaerobic digestion techniques of mud has plurality of advantages, become one of focus of domestic and international sludge treatment.
And the anaerobic digestion of mud just is divided into two kinds of WET DIGESTION (TS≤12%) and dry slakings (TS>=15%) according to total solids (TS) content.The WET DIGESTION technology has been applied at aspects such as municipal sludge digestion, feces of livestock and poultry anaerobic digestion, organic waste anaerobic digestions, and the technology of each side is comparative maturity.But China's sludge from wastewater treatment plant sand cut is higher, and it has had a strong impact on the recycling of city anaerobic digestion, and is comparatively serious to the loss of machine simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of mud wet type anaerobic digestion desanding device; This device is to remove contained chiltern in the mud; Simultaneously can reduce the loss of subsequent operations, guarantee that municipal sludge carries out anaerobic digestion more fully, thereby realized the recycling of mud preferably machine.
A kind of mud wet type anaerobic digestion desanding device that the present invention proposes; Form by advancing mud pipe 1, digestion tracheae 2, whisking appliance 3, supernatant pipe 4, shore pipe 5, wet type anaerobic digestion reaction vessel 6, sludge pump 7 and spiral desanding device 8; Wherein: wet type anaerobic digestion reaction vessel 6 is an encloses container; Its top is respectively equipped with into mud pipe 1 and digestion tracheae 2, and the bottom is provided with shore pipe 5, and the middle and upper part is provided with supernatant pipe 4; Wet type anaerobic digestion reaction vessel 6 inner bottom parts are connected spiral desanding device 8 through pipeline with sludge pump 7; Wet type anaerobic digestion reaction vessel 6 is provided with whisking appliance 3.
Apparatus of the present invention are mainly removed the chiltern in the mud wet type anaerobic digestion reaction vessel, are that municipal sludge obtains sufficient recycling, can effectively reduce the loss of subsequent operations to machine simultaneously.Its process step is following:
(1) startup of anaerobic digestion reaction vessel
The municipal sludge of solid content TS≤12% is got into anaerobic digestion reaction vessel by advancing the mud pipe, utilize whisking appliance that mud is stirred simultaneously, make the municipal sludge ability evenly.
(2) the mud sandy is removed
Mud is because of having certain water ratio, the stirring through whisking appliance simultaneously, and contained chiltern pumps it to the spiral desanding device because of gravity falls to the bottom of anaerobic digestion reaction vessel through sludge pump in the mud, and the chiltern in the mud can be removed.
(3) digestive gas and supernatant are discharged
Digestive gas that mud is produced in anaerobic digestion reaction vessel and supernatant are discharged via reactor drum top.
(4) mud refluxes
Remove the sandy municipal sludge via the sludge pump reflux pump to this anaerobic digestion reaction vessel, carry out anaerobic digestion, simultaneously part mud is discharged by shore pipe.
The present invention has the following advantages:
(1) can effectively remove the chiltern in the mud; (2) reduce the loss of subsequent operations to machine; (3) municipal sludge can be back to and carry out recycling in the reactor drum.
Description of drawings
Fig. 1 is a kind of structural diagrams of mud wet type anaerobic digestion desanding device.
Label among the figure: 1 for advancing the mud pipe, and 2 are the digestion tracheae, and 3 is whisking appliance, and 4 is the supernatant pipe, and 5 is shore pipe, and 6 is the wet type anaerobic digestion reaction vessel, and 7 is sludge pump, and 8 is the spiral desanding device.
Embodiment
Be elaborated below in conjunction with the concrete real-time mode of Figure of description to patent of the present invention:
Apparatus of the present invention comprise into mud pipe 1, digestion tracheae 2, whisking appliance 3, supernatant pipe 4, shore pipe 5, wet type anaerobic digestion reaction vessel 6, sludge pump 7 and spiral desanding device 8.Wet type anaerobic digestion reaction vessel 6 is airtight, in be provided with whisking appliance 3, top is provided with digestion tracheae 2 and supernatant pipe 4, the bottom is provided with shore pipe 5 and spiral desanding device 8.Make the mud can be fully by recycling.
Working process of the present invention is following:
The sewage plant sludge of solid content TS≤12% is pumped in the wet type anaerobic digestion reaction vessel 6 by advancing mud pipe 1; Utilize 3 pairs of wet type anaerobic digestion reaction vessel 6 mud of whisking appliance to stir simultaneously; Because of mud has certain water ratio, so the chiltern in the mud is then because of the bottom of gravity sedimentation in wet type anaerobic digestion reaction vessel 6.Utilize sludge pump 7 will be deposited on the bottom contain the higher sludge pump of chiltern to spiral desanding device 8; Chiltern in the mud is removed; The sludge pump that utilizes sludge pump will not contain sand simultaneously is back to into mud pipe 1, carries out anaerobic digestion thereby get into wet type anaerobic digestion reaction vessel 6.Carry out in the anaerobic digestion process at mud, the digestive gas that is produced is discharged in the wet type anaerobic digestion reaction vessel 6 through digestion tracheae 2.Supernatant is then discharged via supernatant pipe 4 in the wet type anaerobic digestion reaction vessel 6.The sedimentary part mud of wet type anaerobic digestion reaction vessel 6 inner bottom parts is then discharged via shore pipe 5.
Claims (1)
1. mud wet type anaerobic digestion desanding device; Form by advancing mud pipe (1), digestion tracheae (2), whisking appliance (3), supernatant pipe (4), shore pipe (5), wet type anaerobic digestion reaction vessel (6), sludge pump (7) and spiral desanding device (8); It is characterized in that: wet type anaerobic digestion reaction vessel (6) is an encloses container; Its top is respectively equipped with into mud pipe (1) and digestion tracheae (2), and the bottom is provided with shore pipe (5), and the middle and upper part is provided with supernatant pipe (4); Wet type anaerobic digestion reaction vessel (6) inner bottom part is connected spiral desanding device (8) through pipeline with sludge pump (7); Wet type anaerobic digestion reaction vessel (6) is provided with whisking appliance (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103193572A CN102432147A (en) | 2011-10-20 | 2011-10-20 | Wet-type anaerobic digestion degritting device for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103193572A CN102432147A (en) | 2011-10-20 | 2011-10-20 | Wet-type anaerobic digestion degritting device for sludge |
Publications (1)
| Publication Number | Publication Date |
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| CN102432147A true CN102432147A (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103193572A Pending CN102432147A (en) | 2011-10-20 | 2011-10-20 | Wet-type anaerobic digestion degritting device for sludge |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060642A (en) * | 2015-08-12 | 2015-11-18 | 中国科学院重庆绿色智能技术研究院 | Sewage treatment method and system used for enhancing phosphorus and nitrogen removal and based on sludge carbon source circulation |
| CN105234151A (en) * | 2015-10-29 | 2016-01-13 | 苏州美生环保科技有限公司 | Biological treatment device |
| CN106242222A (en) * | 2016-08-31 | 2016-12-21 | 上海同济普兰德生物质能股份有限公司 | A kind of mud height solid content anaerobic digestion reaction unit and monitoring method thereof |
| CN108840536A (en) * | 2018-07-13 | 2018-11-20 | 上海城投污水处理有限公司 | Sludge digestion tank simulation system |
| CN109504601A (en) * | 2018-12-25 | 2019-03-22 | 中国电建集团长春发电设备有限公司 | A kind of anaerobic jar machinery sand discharge apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964376Y (en) * | 2005-07-21 | 2007-10-24 | 上海市政工程设计研究院 | Sludge anaerobic reaction device |
| CN201154942Y (en) * | 2008-01-11 | 2008-11-26 | 宝林 | Full automatic anaerobic digestion preprocess integrated device for organic wastes |
-
2011
- 2011-10-20 CN CN2011103193572A patent/CN102432147A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200964376Y (en) * | 2005-07-21 | 2007-10-24 | 上海市政工程设计研究院 | Sludge anaerobic reaction device |
| CN201154942Y (en) * | 2008-01-11 | 2008-11-26 | 宝林 | Full automatic anaerobic digestion preprocess integrated device for organic wastes |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105060642A (en) * | 2015-08-12 | 2015-11-18 | 中国科学院重庆绿色智能技术研究院 | Sewage treatment method and system used for enhancing phosphorus and nitrogen removal and based on sludge carbon source circulation |
| CN105234151A (en) * | 2015-10-29 | 2016-01-13 | 苏州美生环保科技有限公司 | Biological treatment device |
| CN106242222A (en) * | 2016-08-31 | 2016-12-21 | 上海同济普兰德生物质能股份有限公司 | A kind of mud height solid content anaerobic digestion reaction unit and monitoring method thereof |
| CN106242222B (en) * | 2016-08-31 | 2023-09-01 | 上海同济普兰德生物质能股份有限公司 | Anaerobic digestion reaction device with high solid content of sludge and monitoring method thereof |
| CN108840536A (en) * | 2018-07-13 | 2018-11-20 | 上海城投污水处理有限公司 | Sludge digestion tank simulation system |
| CN109504601A (en) * | 2018-12-25 | 2019-03-22 | 中国电建集团长春发电设备有限公司 | A kind of anaerobic jar machinery sand discharge apparatus |
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Application publication date: 20120502 |