CN108409090A - Recycle the integral system of MAP in intermittent high concentration sludge anaerobic fermentation - Google Patents
Recycle the integral system of MAP in intermittent high concentration sludge anaerobic fermentation Download PDFInfo
- Publication number
- CN108409090A CN108409090A CN201810468624.4A CN201810468624A CN108409090A CN 108409090 A CN108409090 A CN 108409090A CN 201810468624 A CN201810468624 A CN 201810468624A CN 108409090 A CN108409090 A CN 108409090A
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- CN
- China
- Prior art keywords
- valve
- pipeline
- map
- outlet
- recycling
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- 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.)
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Classifications
-
- 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
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
Abstract
The invention discloses the integral systems of MAP in intermittent high concentration sludge anaerobic fermentation of recycling a kind of, the one end for connecting the pipeline of anaerobic ferment devices is connect with triple valve, the one outlet of triple valve by pipeline successively with force (forcing) pump, first valve is connected with the import of filter device, the outlet of filter device is connect with the second valve and recycling can successively by pipeline, filter device includes filter screen inner tube, the outside of filter screen inner tube is provided with chuck, clear water import and spoil disposal outlet are provided on chuck, another outlet of triple valve is connect with subsequent technique pipeline again after pipeline and the pipeline connection for connecting spoil disposal outlet.The present invention can be used to solve the problem of guanite fouling and clogging pipeline in traditional sludge anaerobic digestion process, can recycle MAP while reducing phosphorus discharge, and MAP crystalline solid can be used as slow-release fertilizer utilization, turn waste into wealth.The plant energy consumption is low, simple to operation, reduces the maintenance cost of pipe-line equipment.
Description
Technical field
The invention belongs to environmental project sludge anaerobic fermentation arts, and it is dirty to relate in particular to a kind of intermittent high concentration of recycling
The integral system of MAP in mud anaerobic fermentation.
Background technology
Magnesium ammonium phosphate is commonly called as guanite (MAP), belongs to amorphous precipitated, is only slightly soluble in water in soil wet environment in water,
Its nutrient is slower than the rate of release of other solvable fertilizer, can make slow-release fertilizer (SRFs).Sludge anaerobic digestion system is due to that can produce
Methane can offset departmental cost, so having good economic advantages for generating electricity.High temperature in digestion process can kill pathogenic
Bacterium, while digested sludge is a kind of good soil conditioner again, is applied in recent years more and more extensive.However, sludge anaerobic
Digestion process can discharge a large amount of reactive phosphates, in turn result in MAP fouling and clogging pipe problems.Phosphorus is non-renewable money simultaneously
Source, the reserves of phosphorus are increasingly reduced in nature, are precipitated with sewage discharge through phosphorus ore exploitation, chemical fertilizer production and use, most of phosphorus
Into sludge, such as without processing, it is easy to cause body eutrophication.The country is about active phosphorus present in excess sludge at present
Hydrochlorate and its caused by MAP blockage problems research it is still rare.
Invention content
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of intermittent high concentration sludge anaerobic fermentation of recycling
The integral system of middle MAP.
Second object of the present invention is to provide a kind of method recycling MAP in intermittent high concentration sludge anaerobic fermentation.
Technical scheme of the present invention is summarized as follows:
The integral system for recycling MAP in intermittent high concentration sludge anaerobic fermentation, connects the pipeline of anaerobic ferment devices
One end connect with the import of triple valve 1, the one outlet of triple valve by pipeline successively with force (forcing) pump 2, the first valve 3 and mistake
The import connection of device 4 is filtered, the outlet of filter device 4 is connect with the second valve 9 and recycling can 10 successively by pipeline, the mistake
It includes filter screen inner tube 5 to filter device 4, and the chuck 6 coaxial with filter screen inner tube is provided in the outside of filter screen inner tube 5, is being pressed from both sides
It puts on nearly first valve location and is provided with clear water import 7, third valve 12, nearly second valve on chuck are provided in clear water import
Door position is provided with spoil disposal outlet 8, and spoil disposal is provided with the 4th valve 11, the first valve 3, filter device 4 and the second valve in outlet
Door 9 is a filter element, is arranged in parallel 2-3 filter element;Another outlet of triple valve goes out through pipeline with spoil disposal is connect
It is connect again with subsequent technique pipeline after the pipeline connection of mouth.
The method for recycling MAP in intermittent high concentration sludge anaerobic fermentation, includes the following steps:
1) using the integral system of MAP in the intermittent high concentration sludge anaerobic fermentation of above-mentioned recycling;
2) the second valve 9 is closed, third valve 12 opens the first valve 3 and the 4th valve 11, controls triple valve 1, makes height
The pressurized pump 2 of mixture after the fermentation of concentration sludge anaerobic, using the first valve, is transported in the filter screen of filter device 4
In pipe 5, under the effect of force (forcing) pump 2, entered in chuck 6 by the filtering of filter screen inner tube, through 8 discharge of spoil disposal outlet;
3) the 4th valve 11 and the first valve 3 are closed, third valve 12 and the second valve 9 is opened, is rinsed with clear water, is filtered
MAP particles in net inner tube are discharged into recycling can 10 with flow by the second valve 9.
Advantages of the present invention:
(1) the device of the invention can effectively remove MAP present in sludge, avoid MAP foulings in subsequent technique, block pipe
The problem of road, reduces the cost of pipe-line maintenance;
(2) by controlling triple valve, high concentration sludge enters filter device, and general sludge is not direct by the filter device
Into subsequent technique, Treatment of Sludge total amount is effectively reduced, equipment scale is reduced;
(3) multiple filter units are arranged in parallel, equipment flexibility is effectively improved, can according to processing sludge quantity, adjustment group number,
Reach highest treatment effeciency;Continuous processing operation can be carried out, when a certain filter element reaches the processing upper limit, which carries out into punching
Link is washed, other units continue filtration treatment, ensure filter capacity;
(4) rinse design efficiently rapid cleaning filter screen inner tube, the MAP under being trapped can be discharged into recycling with flow
Tank, through simple process, you can the recycling for realizing MAP is also brought centainly for sludge treatment plant while reducing phosphorus discharge
Economic benefit.
Description of the drawings
Fig. 1 is the schematic diagram of the integral system of MAP in the intermittent high concentration sludge anaerobic fermentation of recycling.
Fig. 2 is that filter apparatus configuration is illustrated in the integral system of MAP in the intermittent high concentration sludge anaerobic fermentation of recycling
Figure.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
The integral system for recycling MAP in intermittent high concentration sludge anaerobic fermentation is shown in Fig. 1 and Fig. 2, connects anaerobic fermentation
One end of the pipeline of device is connect with the import of triple valve 1, the one outlet of triple valve by pipeline successively with force (forcing) pump 2,
One valve 3 is connected with the import of filter device 4, the outlet of filter device 4 by pipeline successively with the second valve 9 and recycling can 10
Connection, the filter device 4 include filter screen inner tube 5, are provided in the outside of filter screen inner tube 5 coaxial with filter screen inner tube
Chuck 6, nearly first valve location is provided with clear water import 7 on chuck, third valve 12 is provided in clear water import, in chuck
Upper nearly second valve location is provided with spoil disposal outlet 8, and spoil disposal is provided with the 4th valve 11, the first valve 3, filter device in outlet
4 and second valve 9 be a filter element, be arranged in parallel 2-3 filter element;Another outlet of triple valve is through pipeline and company
It is connect again with subsequent technique pipeline after the pipeline connection of the mud that runs in outlet.
The method for recycling MAP in intermittent high concentration sludge anaerobic fermentation, includes the following steps:
1) using the integral system of MAP in the intermittent high concentration sludge anaerobic fermentation of above-mentioned recycling;
2) the second valve 9 is closed, third valve 12 opens the first valve 3 and the 4th valve 11, controls triple valve 1, makes height
The pressurized pump 2 of mixture after the fermentation of concentration sludge anaerobic, using the first valve, is transported in the filter screen of filter device 4
In pipe 5, under the effect of force (forcing) pump 2, entered in chuck 6 by the filtering of filter screen inner tube, through 8 discharge of spoil disposal outlet;
3) the 4th valve 11 and the first valve 3 are closed, third valve 12 and the second valve 9 is opened, is rinsed with clear water, is filtered
MAP particles in net inner tube are discharged into recycling can 10 with flow by the second valve 9, and clean strainer, are next filter cycle
It is ready;MAP particles in recycling can pass through follow-up simple process, you can realize the recycling of MAP.
Claims (2)
1. the integral system of MAP, connects the pipeline of anaerobic ferment devices in the intermittent high concentration sludge anaerobic fermentation of recycling
One end is connect with the import of triple valve (1), it is characterized in that the one outlet of triple valve by pipeline successively with force (forcing) pump (2),
One valve (3) is connected with the import of filter device (4), the outlet of filter device (4) by pipeline successively with the second valve (9) and
Recycling can (10) connect, the filter device (4) includes filter screen inner tube (5), the outside of filter screen inner tube (5) be provided with
The coaxial chuck of filter screen inner tube (6), nearly first valve location is provided with clear water import (7) on chuck, is set in clear water import
Be equipped with third valve (12), on chuck nearly second valve location be provided with spoil disposal outlet (8), spoil disposal outlet on be provided with the 4th
Valve (11), the first valve (3), filter device (4) and the second valve (9) are a filter element, are arranged in parallel 2-3 filtering
Unit;Another outlet of triple valve is connect with subsequent technique pipeline again after pipeline and the pipeline connection for connecting spoil disposal outlet.
2. the method for MAP in the intermittent high concentration sludge anaerobic fermentation of recycling, it is characterized in that including the following steps:
1) integral system of MAP in the intermittent high concentration sludge anaerobic fermentation of recycling of claim 1 is used;
2) the second valve (9) is closed, third valve (12) opens the first valve (3) and the 4th valve (11), controls triple valve
(1), the pressurized pump (2) of the mixture after high concentration sludge anaerobic fermentation is made to be transported to filter device using the first valve
(4) in filter screen inner tube (5), under force (forcing) pump (2) effect, entered in chuck (6) by the filtering of filter screen inner tube, through spoil disposal
Export (8) discharge;
3) the 4th valve (11) and the first valve (3) are closed, third valve (12) and the second valve (9) is opened, is rinsed with clear water,
MAP particles in filter screen inner tube are discharged into recycling can (10) with flow by the second valve (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810468624.4A CN108409090A (en) | 2018-05-16 | 2018-05-16 | Recycle the integral system of MAP in intermittent high concentration sludge anaerobic fermentation |
Applications Claiming Priority (1)
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CN201810468624.4A CN108409090A (en) | 2018-05-16 | 2018-05-16 | Recycle the integral system of MAP in intermittent high concentration sludge anaerobic fermentation |
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Publication Number | Publication Date |
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CN108409090A true CN108409090A (en) | 2018-08-17 |
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CN201810468624.4A Pending CN108409090A (en) | 2018-05-16 | 2018-05-16 | Recycle the integral system of MAP in intermittent high concentration sludge anaerobic fermentation |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003334584A (en) * | 2002-05-16 | 2003-11-25 | Ebara Corp | Wastewater treatment method and apparatus therefor |
US20050016919A1 (en) * | 2002-04-18 | 2005-01-27 | Takao Hagino | Method of treating organic wastewater and sludge and treatment apparatus therefor |
CN203577409U (en) * | 2013-09-30 | 2014-05-07 | 山东润银生物化工股份有限公司 | Urea synergist fermentation liquid heating and filtering tank |
CN205347164U (en) * | 2016-02-05 | 2016-06-29 | 无锡国联环保能源集团有限公司 | System for retrieve guanite in follow mud |
-
2018
- 2018-05-16 CN CN201810468624.4A patent/CN108409090A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050016919A1 (en) * | 2002-04-18 | 2005-01-27 | Takao Hagino | Method of treating organic wastewater and sludge and treatment apparatus therefor |
JP2003334584A (en) * | 2002-05-16 | 2003-11-25 | Ebara Corp | Wastewater treatment method and apparatus therefor |
CN203577409U (en) * | 2013-09-30 | 2014-05-07 | 山东润银生物化工股份有限公司 | Urea synergist fermentation liquid heating and filtering tank |
CN205347164U (en) * | 2016-02-05 | 2016-06-29 | 无锡国联环保能源集团有限公司 | System for retrieve guanite in follow mud |
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