CN207143065U - A kind of urban sludge treatment device - Google Patents
A kind of urban sludge treatment device Download PDFInfo
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- CN207143065U CN207143065U CN201720969045.9U CN201720969045U CN207143065U CN 207143065 U CN207143065 U CN 207143065U CN 201720969045 U CN201720969045 U CN 201720969045U CN 207143065 U CN207143065 U CN 207143065U
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- reactor
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- medium temperature
- pyrohydrolysis
- methane phase
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Abstract
The utility model discloses a kind of urban sludge treatment device, including preheater（1）, pyrohydrolysis acidification reactor（2）, cooler（3）, medium temperature methane phase digestion reactor（4）, desulfurizing tower（5）And dehydration device（6）, the preheater（1）Input connected with municipal sludge conveyance conduit, preheater（1）Output end and the pyrohydrolysis acidification reactor（2）Input be connected, pyrohydrolysis acidification reactor（2）Output end be connected to the cooler（3）Input, cooler（3）Output end be connected to the medium temperature methane phase digestion reactor（4）Input, medium temperature methane phase digestion reactor（4）Biogas output channel be connected to the desulfurizing tower（5）Input, medium temperature methane phase digestion reactor（4）Sludge discharge line be connected to the dehydration device（6）Input.The sludge treatment equipment treatment effeciency is high, effect is good, energy utilization rate is high.
Description
Technical field
It the utility model is related to technical field of sludge treatment, and in particular to a kind of urban sludge treatment device.
Background technology
As China's construction of municipal effluent plant puts more effort, treatment rate of domestic sewage quickly improves, municipal sludge
Yield increases sharply, and the processing of sludge, handling problems become increasingly conspicuous.Processing of majority municipal sewage plant in China's to sludge at present
Using outward transport landfill after concentration, dehydration or as agricultural fertilizer.Biomass energy in municipal sludge is not fully used, and is caused pair
The waste of resource, the energy.Compared other sludge disposal technologies, and the decrement of sludge can be not only realized using anaerobic digestion techniques
Change, stabilize, and caused biogas can be also used for compensating the energy consumption of sewage plant by approach such as generating, belt driven blowers.
The anaerobic digestion process of sludge is one of sludge treatment technique most viable at present, and sludge is after anaerobic digestion, body
Product significantly reduces, and dewatering greatly improves, and minimizing and the stabilisation of sludge can be achieved.The municipal sewage plant in Europe
More than 80% is completely used for generating electricity using anaerobic digestion process processing sludge, caused biogas, can typically meet sewage disposal
The own demand demand of factory more than 50%, what is had can reach complete power self-support.
Municipal wastewater treatment plant of the China at present only less than 5% employs anaerobic sludge digestion technique, and few in number at this
The sewage plant using anaerobic sludge digestion technique in have that technical merit is low, and Treatment of Sludge effect is poor, and treatment efficiency is low again,
The low a series of problems of biogas utilization rate.
Therefore, improve the anaerobic digestion potential of sludge, develop new and effective anaerobic digestion process and equipment, improve sludge
Treatment effeciency and treatment effect, it is the urgent issue that China's municipal sludge sewage treatment area faces.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of to mention in background above technology and defect, is carried
For a kind of efficiency of sludge treatment height, the urban sludge treatment device that effect is good, energy utilization rate is high.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of urban sludge treatment device, including preheater, pyrohydrolysis acidification reactor, cooler, medium temperature methane phase
Digestion reactor, desulfurizing tower and dehydration device, the input of the preheater connect with municipal sludge conveyance conduit, preheater
Output end is connected with the input of the pyrohydrolysis acidification reactor, and the output end of pyrohydrolysis acidification reactor is connected to
The input of the cooler, the output end of cooler are connected to the input of the medium temperature methane phase digestion reactor, medium temperature
The biogas output channel of methane phase digestion reactor is connected to the input of the desulfurizing tower, medium temperature methane phase digestion reactor
Sludge discharge line is connected to the input of the dehydration device.
As the further improvement to above-mentioned technical proposal：
Preferably, the pyrohydrolysis acidification reactor is provided with the first thermocouple, the device of pyrohydrolysis acidification reactor
Body is provided with the first water leg, and the upper and lower ends of first water leg are connected by pipeline with a primary heater, the first water
One first circulation water pump is installed on the pipeline that chuck is connected with primary heater.
It is furthermore preferred that being provided with pH monitors on the pyrohydrolysis acidification reactor, pyrohydrolysis acidification reactor leads to
Cross alkali lye feed pipe with an alkali liquor storage tank to be connected, the alkali lye feed pipe is provided with alkali lye feed pump.
It is furthermore preferred that being provided with agitating device on the pyrohydrolysis acidification reactor, the agitating device includes installation
Pyrohydrolysis acidification reactor is stretched into stirring motor at the top of pyrohydrolysis acidification reactor, the rotating shaft of the stirring motor
Interior, one end that the rotating shaft is stretched into pyrohydrolysis acidification reactor is provided with multi-disc stirring vane, stirring vane described in multi-disc
Along the axial spaced set of rotating shaft.
Preferably, the medium temperature methane phase digestion reactor is provided with the second thermocouple, medium temperature methane phase digestion reactor
Body be provided with the second water leg, the upper and lower ends of second water leg are connected by pipeline with a secondary heater,
One second circulation water pump is installed on the pipeline that two water legs are connected with secondary heater.
Preferably, the dehydration device includes centrifuge and filter press, and the input of the centrifuge produces with the medium temperature
The sludge discharge line connection of methane digestion reactor, the output end of centrifuge are connected with the input of the filter press.
Preferably, the preheater is circulation water preheater；The cooler is water recirculator；The desulfurizing tower is
Biological desulphurization tower.
Compared with prior art, the utility model has the advantage of：The utility model is acidified using the pyrohydrolysis of series connection
Reactor and medium temperature methane phase digestion reactor carry out digestion reaction to municipal sludge, while temperature classification is realized, optimization
The metabolic conditions of different microorganisms, realize biological split-phase；After pyrohydrolysis is acidified, microorganism wall is broken in sludge
Wall rate is greatly improved, and intracellular organic matter is fully discharged, and is advantageous to ensuing medium temperature methane phase digestion reaction, from
And the yield of the degradation rate of organic matter and methane in thickened sludge is greatly improved, experiments verify that degradation effect of organic compound is more than
60%, biogas yield improves 50%, improves the energy utilization rate of sludge.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is the structure schematic diagram of the utility model sludge treatment equipment.
Marginal data：
1st, preheater；2nd, pyrohydrolysis acidification reactor；3rd, cooler；4th, medium temperature methane phase digestion reactor；5th, desulfurization
Tower；6th, dehydration device；21st, the first thermocouple；22nd, the first water leg；23rd, primary heater；24th, first circulation water pump；25、pH
Monitor；26th, alkali liquor storage tank；27th, alkali lye feed pump；28th, stirring motor；29th, stirring vane；41st, the second thermocouple；42nd,
Two water legs；43rd, secondary heater；44th, second circulation water pump；61st, centrifuge；62nd, filter press.
Embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, meticulously describes, but the scope of protection of the utility model is not limited to embodiment in detail below.
It should be strongly noted that when a certain element, to be described as " be fixed on, be fixed in, be connected to or be communicated in " another
When on element, it can be directly fixed, affixed, connection or connect on another element or by connecting among other
Fitting is indirectly fixed, affixed, connection or connection are on another element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to and limits this practicality
New protection domain.
Embodiment：
As shown in figure 1, a kind of urban sludge treatment device of the present utility model, the sludge treatment equipment mainly includes preheating
Device 1, pyrohydrolysis acidification reactor 2, cooler 3, medium temperature methane phase digestion reactor 4, desulfurizing tower 5 and dehydration device 6.Its
In, the input of preheater 1 connects with municipal sludge conveyance conduit, output end and the pyrohydrolysis acidification reactor 2 of preheater 1
Input be connected；The output end of pyrohydrolysis acidification reactor 2 is connected to the input of cooler 3, the output of cooler 3
End is connected to the input of medium temperature methane phase digestion reactor 4；The biogas output channel connection of medium temperature methane phase digestion reactor 4
To the input of desulfurizing tower 5, the sludge discharge line of medium temperature methane phase digestion reactor 4 is connected to the input of dehydration device 6.
In the present embodiment, the first thermocouple 21, pyrohydrolysis acidification reactor are provided with pyrohydrolysis acidification reactor 2
2 body is provided with the first water leg 22, and the upper and lower ends of first water leg 22 pass through pipeline and a primary heater 23
Connect, a first circulation water pump 24 is installed on the pipeline that the first water leg 22 is connected with the primary heater 23.High-temperature water
PH monitors 25 are installed, pyrohydrolysis acidification reactor 2 is stored up by alkali lye feed pipe and an alkali lye on solution acidification reactor 2
Tank 26 is connected, and alkali lye feed pipe is provided with alkali lye feed pump 27.One stirring dress is installed on pyrohydrolysis acidification reactor 2
Put, the agitating device includes the stirring motor 28 for being installed on the top of pyrohydrolysis acidification reactor 2, the rotating shaft of the stirring motor 28
Stretch into pyrohydrolysis acidification reactor 2, one end that rotating shaft is stretched into pyrohydrolysis acidification reactor 2 is provided with multi-disc paddle
Piece 29, axial spaced set of the multi-disc stirring vane 29 along rotating shaft.
In the present embodiment, medium temperature methane phase digestion reactor 4 is provided with the second thermocouple 41, medium temperature methane phase digestion reaction
The body of device 4 is provided with the second water leg 42, and the upper and lower ends of the second water leg 42 are connected by pipeline and a secondary heater 43
Connect, a second circulation water pump 44 is installed on the pipeline that second water leg 42 is connected with secondary heater 43.
In the present embodiment, dehydration device 6 includes centrifuge 61 and filter press 62, input and the medium temperature production first of centrifuge 61
The sludge discharge line connection of alkane digestion reactor 4, the output end of centrifuge 61 are connected with the input of filter press 62.Preheating
Device 1 is circulation water preheater；Cooler 3 is water recirculator；Desulfurizing tower 5 is biological desulfurizing tower.
What the sludge treatment equipment was handled municipal sludge comprises the following steps that：
The first step：Pending municipal sludge is delivered in preheater 1 by municipal sludge conveyance conduit and preheated
To 56 DEG C ~ 60 DEG C, be then fed into pyrohydrolysis acidification reactor 2 and acidification reaction be hydrolyzed, reaction temperature control 58 DEG C ~
60 DEG C, 6.2 ~ 6.4, reaction time control obtains hydrolysis acidification product in 24h ~ 36h for reaction pH controls；
Second step：Hydrolysis acidification product obtained by step 1 is sent into cooler 3 and carries out being cooled to 30 DEG C ~ 33 DEG C, then
It is sent into medium temperature methane phase digestion reactor 4 and carries out anaerobic digestion reaction, the temperature control of reaction is at 30 DEG C ~ 33 DEG C, reaction
Between be 8 days ~ 9 days, obtain biogas and digested sludge；
3rd step：Biogas obtained by step 2 is delivered in desulfurizing tower 5 by biogas output channel and carries out desulfurization, by gained
Digested sludge is delivered in centrifuge 61 by sludge discharge line and carries out centrifugal dehydration, then again by the digestion after centrifugal dehydration
Sludge is sent into filter press 62 and carries out pressure treatment.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (7)
- A kind of 1. urban sludge treatment device, it is characterised in that：Including preheater（1）, pyrohydrolysis acidification reactor（2）, it is cold But device（3）, medium temperature methane phase digestion reactor（4）, desulfurizing tower（5）And dehydration device（6）, the preheater（1）Input Connected with municipal sludge conveyance conduit, preheater（1）Output end and the pyrohydrolysis acidification reactor（2）Input phase Connection, pyrohydrolysis acidification reactor（2）Output end be connected to the cooler（3）Input, cooler（3）Output End is connected to the medium temperature methane phase digestion reactor（4）Input, medium temperature methane phase digestion reactor（4）Biogas output Pipeline is connected to the desulfurizing tower（5）Input, medium temperature methane phase digestion reactor（4）Sludge discharge line be connected to institute State dehydration device（6）Input.
- 2. urban sludge treatment device according to claim 1, it is characterised in that：The pyrohydrolysis acidification reactor （2）It is provided with the first thermocouple（21）, pyrohydrolysis acidification reactor（2）Body be provided with the first water leg（22）, it is described First water leg（22）Upper and lower ends pass through pipeline and a primary heater（23）Connection, the first water leg（22）Add with first Hot device（23）One first circulation water pump is installed on the pipeline of connection（24）.
- 3. urban sludge treatment device according to claim 2, it is characterised in that：The pyrohydrolysis acidification reactor （2）On pH monitors are installed（25）, pyrohydrolysis acidification reactor（2）Pass through alkali lye feed pipe and an alkali liquor storage tank（26）Phase Connection, the alkali lye feed pipe are provided with alkali lye feed pump（27）.
- 4. urban sludge treatment device according to claim 3, it is characterised in that：The pyrohydrolysis acidification reactor （2）On agitating device is installed, the agitating device includes being installed on pyrohydrolysis acidification reactor（2）The stirring motor at top （28）, the stirring motor（28）Rotating shaft stretch into pyrohydrolysis acidification reactor（2）Interior, pyrohydrolysis acid is stretched into the rotating shaft Change reactor（2）Interior one end is provided with multi-disc stirring vane（29）, stirring vane described in multi-disc（29）Axial direction along rotating shaft etc. Spacing is set.
- 5. urban sludge treatment device according to claim 1, it is characterised in that：The medium temperature methane phase digestion reactor （4）It is provided with the second thermocouple（41）, medium temperature methane phase digestion reactor（4）Body be provided with the second water leg（42）, institute State the second water leg（42）Upper and lower ends pass through pipeline and a secondary heater（43）Connection, the second water leg（42）With second Heater（43）One second circulation water pump is installed on the pipeline of connection（44）.
- 6. urban sludge treatment device according to claim 1, it is characterised in that：The dehydration device（6）Including centrifugation Machine（61）And filter press（62）, the centrifuge（61）Input and the medium temperature methane phase digestion reactor（4）Sludge Discharge line connects, centrifuge（61）Output end and the filter press（62）Input connection.
- 7. the urban sludge treatment device according to any one of claim 1 ~ 6, it is characterised in that：The preheater（1） To circulate water preheater；The cooler（3）For water recirculator；The desulfurizing tower（5）For biological desulfurizing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969045.9U CN207143065U (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720969045.9U CN207143065U (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143065U true CN207143065U (en) | 2018-03-27 |
Family
ID=61674380
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720969045.9U Expired - Fee Related CN207143065U (en) | 2017-08-04 | 2017-08-04 | A kind of urban sludge treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207143065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382001A (en) * | 2017-08-04 | 2017-11-24 | 安吉晨源环保资源再生利用有限公司 | A kind of urban sludge treatment device and method |
| CN108423806A (en) * | 2018-04-20 | 2018-08-21 | 苏州清荷坊环保科技有限公司 | A kind of bioreactor for sewage disposal |
| US11535544B2 (en) * | 2020-07-09 | 2022-12-27 | Hebei University Of Science And Technology | Device for treatment of organic waste |
-
2017
- 2017-08-04 CN CN201720969045.9U patent/CN207143065U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107382001A (en) * | 2017-08-04 | 2017-11-24 | 安吉晨源环保资源再生利用有限公司 | A kind of urban sludge treatment device and method |
| CN108423806A (en) * | 2018-04-20 | 2018-08-21 | 苏州清荷坊环保科技有限公司 | A kind of bioreactor for sewage disposal |
| US11535544B2 (en) * | 2020-07-09 | 2022-12-27 | Hebei University Of Science And Technology | Device for treatment of organic waste |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| 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: 20180327 Termination date: 20180804 |