CN203373248U - Sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device - Google Patents
Sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device Download PDFInfo
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- CN203373248U CN203373248U CN201320403872.3U CN201320403872U CN203373248U CN 203373248 U CN203373248 U CN 203373248U CN 201320403872 U CN201320403872 U CN 201320403872U CN 203373248 U CN203373248 U CN 203373248U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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 utility model discloses a sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device. The sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device comprises a sludge storage and transportation device, a sludge low-temperature heat quenching and tempering device, a sludge anaerobic digestion device, a heat exchange device, a waste gas treatment device, a sludge heat exchange storage device, a mechanical dehydration device, a deodorization device and a steam boiler. The sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device is high in safety; dust is not generated in the whole reaction process, and a potential safety hazard such as electrostatic explosion can be avoided; efficient combination is realized, and energy consumption is reduced; heat energy is repeatedly and effectively recovered and reutilized in the whole process, so that energy can be saved; the device has an environment-friendly effect, and resources can be reutilized.
Description
Technical field
The utility model relates to the city sewage and sludge process field, relates in particular to the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat.
Background technology
In recent years, China's municipal sludge output increases year by year, and by the end of the year in 2010, the sludge quantity that wastewater treatment in China factory produces reached 2,200 ten thousand tons.During " 12 ", China, by newly-built 1200 urban wastewater treatment firms, expects the 2015 wet sludge yields of China at the year end and at least reaches 2,600 ten thousand tons.At present, the approximately 48.28% soil utilization of mud that China produces, 34.48% landfill, 3.45% burning, 13.79% are rationally disposed, the & Mud overall state be take patterns of land use as main, most of for agricultural, but still have most mud reasonably not disposed, this will bring potential harm to environment.Adopting the anaerobic digestion mode to dispose mud is to realize the very effective approach of sludge stabilizing, and the biogas of generation can be recycled, and has so not only solved the disposal difficulties of mud, has also realized the purpose of the recycling of mud.
There is large, initial cost of the residence time long (general anaerobic digestion process needs 20～30 days), facility floor space in the traditional sludge anaerobic digestion process and working cost is high, energy consumption is high and the problem such as organic removal rate low (being only 40% left and right).According to the anaerobic digestion theory, at first sludge digestion needs to overcome the hydrolysis of solid organic matters, but, because most of organism in mud is contained in microorganism cells, causes hydrolysis rate slow, becomes the key constraints of sludge digestion speed.
Summary of the invention
In view of this, the utility model is proposed, the technique effect that be intended to obtain mud decrement, energy efficient, reduces costs.
The utility model provides a kind of sludge at low temperature heat modified anaerobic methane production set treatment device, comprise sewage sludge storage e Foerderanlage, the hot modifying device of sludge at low temperature, sludge aerobic digestion device, sludge pump, heat exchanger, induced draft fan, emission-control equipment, sludge hot exchange storing unit, odor removal, mechanical dehydration treatment unit and steam boiler, wherein:
The top of the hot modifying device of sludge at low temperature is provided with sludge inlet, steam-in and weary vapour outlet successively, and the mud discharge port is arranged at bottom; Be provided with agitator in the hot modifying device of sludge at low temperature.The sewage sludge storage e Foerderanlage is connected with sludge inlet through the first sludge pump, the first heat exchanger, steam-in is connected with steam boiler, weary vapour outlet is connected with emission-control equipment through the 3rd heat exchanger, and the mud discharge port is connected to sludge hot exchange storing device through the second sludge pump, the second heat exchanger;
The both sides, top of anaerobic sludge digestion reaction unit have been provided with opening for feed and methane outlet, and the two bottom sides face is provided with discharge port and water-bath is imported and exported; Sludge hot exchange storing unit is connected with opening for feed through the 3rd sludge pump, methane outlet is connected to steam boiler through the first induced draft fan, biogas storing-purifying device, the second induced draft fan, discharge port is connected with mechanical dehydration device through the 4th sludge pump, and water-bath is imported and exported and is connected with the 3rd heat exchanger;
Emission-control equipment is connected with steam boiler through the 3rd induced draft fan;
The sewage sludge storage e Foerderanlage is connected with odor treating device through the 4th induced draft fan;
The beneficial effect that the utility model produces is:
(1) safe.Whole reaction process produces without dust, and the potential safety hazards such as static blast can not occur.
(2) efficient associating, energy efficient.By the modified technology of sludge at low temperature heat, mud is processed, destroy the solid matter water holding structures such as mud organic substance macromolecular structure, gluey flco, significantly improve dewatering performance of sludge, the solid organic matters of mud dissolves, liquefaction, the larger molecular organics hydrolysis of being partly dissolved property becomes small-molecule substance, for subsequent anaerobic digestion produces natural pond, has created favourable condition.Whole technique repeatedly, efficient recovery heat energy recycling, be conducive to energy efficient.
(3) environmental protection.In closed reactor, with saturation steam, react, follow-up sludge treatment can not produce peculiar smell and environmental issue.The modified process of Low Temperature Thermal, without burning, has been avoided the generation of Dioxins simultaneously.
(4) resource utilization recycling.Mud produces biogas through anaerobic digestion, can be used as fuel or the auxiliary fuel of boiler, for heating boiler or output, uses.
The accompanying drawing explanation
When considered in conjunction with the accompanying drawings, can more completely understand better the utility model.Accompanying drawing described herein is used to provide further understanding of the present utility model, and embodiment and explanation thereof, for explaining the utility model, do not form improper restriction of the present utility model.
The structural representation that Fig. 1 is the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat of the utility model.
In figure: 1, sewage sludge storage e Foerderanlage 2, the first sludge pump 3, the first heat exchanger 4, the hot modifying device 5 of sludge at low temperature, the second sludge pump 6, the second heat exchanger 7, sludge hot exchange storing unit 8, the 3rd sludge pump 9, anaerobic digestion reaction unit 10, the 4th sludge pump 11, mechanical dehydration device 12, the first induced draft fan 13, biogas storing-purifying device 14, the second induced draft fan 15, steam boiler 16, the 3rd heat exchanger 17, emission-control equipment 18, the 3rd induced draft fan 19, odor removal 20, the 4th induced draft fan.
Embodiment
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
The modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat as shown in Figure 1, comprise sewage sludge storage e Foerderanlage 1, the hot modifying device 4 of sludge at low temperature, sludge aerobic digestion device 9, the first sludge pump 2, the second sludge pump 5, the 3rd sludge pump 8, the 4th sludge pump 10, the first heat exchanger 3, the second heat exchanger 6, the 3rd heat exchanger 16, the first induced draft fan 12, the second induced draft fan 14, the 3rd induced draft fan 18, the 4th induced draft fan 20, emission-control equipment 17, sludge hot exchange storing unit 7, odor removal 19, mechanical dehydration treatment unit 11 and steam boiler 15.
At first mud is poured onto to the sewage sludge storage e Foerderanlage 1 that is positioned at the hot modifying device of sludge at low temperature 4 ingress by the mud transport trolley, sewage sludge storage e Foerderanlage 1, after dumping, sewage sludge storage e Foerderanlage 1 is delivered to first heat exchanger 3 pair mud through the first sludge pump 2 by mud by mud and carries out preheating;
Mud after preheating is delivered to Low Temperature Thermal modifying device 4, and the top of the hot modifying device 4 of sludge at low temperature is provided with sludge inlet, steam-in and weary vapour outlet successively, and the mud discharge port is arranged at bottom, in the hot modifying device of sludge at low temperature, is provided with agitator; As a kind of preferred embodiment, what the hot modifying device of sludge at low temperature adopted is steam pyrolysis vertical response still, and agitator can adopt straight leaf or oblique leaf stirring rake structure; After charging, steam-in passes into the saturation steam of being supplied with by steam boiler 15 in the hot modifying device 4 of sludge at low temperature, and agitator starts to stir, mud and saturation steam generation pyrolytic reaction; Meet the requirements of after temperature and pressure and enter exhaust and rush down the pressure stage, weary steam is discharged until the interior recovery normal pressure of Low Temperature Thermal modifying device 4 from the weary vapour outlet at Low Temperature Thermal modifying device 4 tops, the weary steam of discharging is mainly water vapor and a small amount of organic gas, weary steam is processed being sent to emission-control equipment 17 after condensation through the 3rd heat exchanger 16, and the rear also a small amount of organic gas of remnants of processing is delivered to steam boiler 15 through the 3rd induced draft fan 18 and burned; The 3rd heat exchanger 16 is imported and exported and is connected with the water-bath of anaerobic sludge digestion reaction unit 9; After exhaust is rushed down and pressed off the beginning, spoil disposal is carried out in the agitator reversion.
Mud after Low Temperature Thermal modifying device 4 is processed is discharged by the mud discharge port of bottom, enters the second heat exchanger 6 by the second sludge pump and is lowered the temperature, and the mud after cooling is delivered to sludge hot exchange storing unit 7 and further reclaims heat energy.Wherein, the heat energy that the second heat exchanger 6 and sludge hot exchange storing unit 7 reclaim transfers to the first heat exchanger 3 by heat exchange medium, for to entering the hot modifying device 4 front mud of sludge at low temperature, carrying out preheating, mud is after the first heat exchanger 3 preheatings, cooling medium transport to the second heat exchanger 6, carry out coolingly for the high temperature mud after modified to Low Temperature Thermal, reclaim heat energy.
Mud in sludge hot exchange storing unit 7 is delivered to anaerobic sludge digestion reaction unit 9 through the 3rd sludge pump 8, and the both sides, top of anaerobic sludge digestion reaction unit 9 are provided with opening for feed and methane outlet, and the two bottom sides face is provided with discharge port and water-bath is imported and exported; As a kind of preferred embodiment, what the anaerobic digestion reaction unit adopted is sequence batch (continuously stirring anaerobic digestion reaction vessel.Mud fully mixes and carries out anaerobic digestion according to certain ratio with the mud of having tamed in anaerobic sludge digestion reaction unit 9, mud is after sufficient anaerobic digestion, the biogas produced is delivered in biogas storing-purifying device 13 and is processed by the first induced draft fan 12 through the methane outlet at anaerobic sludge digestion reaction unit 9 tops, biogas after processing is delivered to steam boiler 15 through the second induced draft fan 14, as fuel or the auxiliary fuel of steam boiler 15.The mud of discharging from the discharge port of anaerobic sludge digestion reaction unit 9 sides is delivered to mechanical dehydration device 11 through the 4th sludge pump, and it is carried out to mechanical dehydration.The water-bath of the 3rd heat exchanger 16 and anaerobic sludge digestion reaction unit 9 is imported and exported and is connected, and utilizes the energy of its recovery to maintain the anaerobic digestion temperature of reaction of anaerobic digestion reaction unit 9.Obtain the certain mud cake of water ratio after mechanical dehydration, the mud cake outward transport is as landfill soil or other utilizations; The sewage of deviating from enters sewage work and is processed.
The waste gas produced in whole factory building is delivered to after odor treating device 19 is processed and discharges by the 4th induced draft fan 20 by sewage sludge storage e Foerderanlage 1, the water of condensation that system produces and deviate from liquid and enter to sludge hot exchange storing unit 7, again by the Anaerobic Digestion of anaerobic digestion reaction unit 9, enter again sewage work after up to standard.
Claims (6)
1. the modified anaerobic methane production set treatment device of sludge at low temperature heat, it is characterized in that, comprise sewage sludge storage e Foerderanlage, the hot modifying device of sludge at low temperature, sludge aerobic digestion device, sludge hot exchange storing unit, sludge pump, heat exchanger, induced draft fan, emission-control equipment, odor treating device, mechanical dehydration treatment unit and steam boiler, wherein:
The top of the hot modifying device of sludge at low temperature is provided with sludge inlet, steam-in and weary vapour outlet successively, and the mud discharge port is arranged at bottom; Be provided with agitator in the hot modifying device of sludge at low temperature; The sewage sludge storage e Foerderanlage is connected with sludge inlet through the first sludge pump, the first heat exchanger, steam-in is connected with steam boiler, weary vapour outlet is connected with emission-control equipment through the 3rd heat exchanger, and the mud discharge port is connected to sludge hot exchange storing device through the second sludge pump, the second heat exchanger;
The both sides, top of anaerobic sludge digestion reaction unit have been provided with opening for feed and methane outlet, and the two bottom sides face is provided with discharge port and water-bath is imported and exported; Sludge hot exchange storing unit is connected with opening for feed through the 3rd sludge pump, methane outlet is connected to steam boiler through the first induced draft fan, biogas storing-purifying device, the second induced draft fan, discharge port is connected with mechanical dehydration device through the 4th sludge pump, and water-bath is imported and exported and is connected with the 3rd heat exchanger.
2. the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat according to claim 1, is characterized in that, emission-control equipment is connected with steam boiler through the 3rd induced draft fan.
3. the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat according to claim 1, is characterized in that, the sewage sludge storage e Foerderanlage is connected with odor treating device through the 4th induced draft fan.
4. the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat according to claim 1, is characterized in that, the hot modifying device of sludge at low temperature adopts steam pyrolysis vertical response still.
5. the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat according to claim 1, is characterized in that, the anaerobic digestion reaction unit adopts sequence batch (continuously stirring anaerobic digestion reaction vessel.
6. the modified anaerobic methane production set treatment device of a kind of sludge at low temperature heat according to claim 1, is characterized in that, agitator can adopt straight leaf or oblique leaf stirring rake structure.
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| CN201320403872.3U CN203373248U (en) | 2013-07-08 | 2013-07-08 | Sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device |
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| CN201320403872.3U CN203373248U (en) | 2013-07-08 | 2013-07-08 | Sludge low-temperature heat quenching and tempering anaerobic methane-generating complete treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251484A (en) * | 2014-09-03 | 2014-12-31 | 广州市净水有限公司 | Efficient energy compensating and using integrated system for sludge marsh gas generating set and steam boiler |
| FR3032193A1 (en) * | 2015-02-02 | 2016-08-05 | Degremont | OPTIMIZATION OF A PULP TREATMENT PROCESS |
-
2013
- 2013-07-08 CN CN201320403872.3U patent/CN203373248U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251484A (en) * | 2014-09-03 | 2014-12-31 | 广州市净水有限公司 | Efficient energy compensating and using integrated system for sludge marsh gas generating set and steam boiler |
| CN104251484B (en) * | 2014-09-03 | 2016-01-06 | 广州市净水有限公司 | Sludge methane generating set-steam boiler energy efficient compensates and utilizes integral system |
| FR3032193A1 (en) * | 2015-02-02 | 2016-08-05 | Degremont | OPTIMIZATION OF A PULP TREATMENT PROCESS |
| WO2016125076A1 (en) | 2015-02-02 | 2016-08-11 | Degremont | Optimisation of a pulp treatment method |
| US10358368B2 (en) | 2015-02-02 | 2019-07-23 | Suez International | Optimisation of a pulp treatment method |
| AU2016214046B2 (en) * | 2015-02-02 | 2021-05-20 | Suez International | Optimisation of a pulp treatment method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BMEI CO., LTD. Free format text: FORMER NAME: HIGH TECHNOLOGIES CO., LTD., BEIJING ELECTROMECHANICAL ACADEMY |
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| CP01 | Change in the name or title of a patent holder |
Address after: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee after: BMEI CO.,LTD. Address before: 100027 Beijing city Chaoyang District Gongti North Road No. 4 Patentee before: BMEI CO.,LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |