CN101190808B - The treatment method and device for recycle sludge from sewage - Google Patents
The treatment method and device for recycle sludge from sewage Download PDFInfo
- Publication number
- CN101190808B CN101190808B CN2007101965238A CN200710196523A CN101190808B CN 101190808 B CN101190808 B CN 101190808B CN 2007101965238 A CN2007101965238 A CN 2007101965238A CN 200710196523 A CN200710196523 A CN 200710196523A CN 101190808 B CN101190808 B CN 101190808B
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- sewage sludge
- sewage
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- moisture content
- drying
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- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a device and a method for treating and reusing sewage and sludge. The sewage and sludge reuse device consists of: a mixer for mixing the sewage and sludge uniformly, a rotate impact dry-crush machine for dividing the sewage and sludge supplied by the mixer into particle solid powder and water according to high-speed centrifugal force particle conflict mode and discharging to a washer outside. The treating method consisting of the steps as follow: a pre-treat procedure for providing and mixing the sewage and sludge uniformly to improve the moisture content to 55-60%, a procedure for dividing the sewage and sludge supplied after the pre-treat procedure into particle solid powder and water with a moisture content of 5% by the rotate impact dry-crush machine according to the high-speed centrifugal force, a discharge procedure for discharging the particle solid powder divided in the dry-crush procedure to the outside, and a wash procedure for dividing the water divided in the dry-crush procedure into gas and liquid and discharging the gas and liquid to the outside.
Description
Technical field
The present invention relates to a kind of sewage sludge and utilize treating apparatus and method thereof again.Specifically, relate to and a kind of the mud that sewage treatment plant produced is separated into combustible solid shape particulate and moisture, solid shape particulate uses as auxiliary fuel in the factories such as thermal power plant of use coal fuel.Moisture is separated into water and gas, and gas is discharged into the atmosphere after eliminating stench, and water then is discharged into sewage treatment plant.
Background technology
Sewage treatment plant is continuing to produce a large amount of sewage sludges, and when handling these sewage sludges, prevailing processing mode is for being embedded in wasteland or landfill.
But the area of these wastelands or landfill is limited, thereby at will landfill and landfill permissive condition are also very harsh.And a large amount of discarded objects that other field produces are also together by landfill, but therefore sharply reduce in the place of landfill, also has a lot of difficulties when selecting landfill, thereby cause region dispute and social concern.
And, before the landfill sewage sludge, carry out to a certain degree dehydration and drying, but its moisture content is still higher.Therefore give out a foul smell and toxic gas during landfill, and contaminated air and be penetrated into underground sewage and become phreatic pollution sources.
Summary of the invention
Therefore, the present invention develops in order to solve above-mentioned existing issue.Its purpose is to provide a kind of sewage sludge to utilize treatment system again, and it is by the kinetic energy that the particle that utilizes high speed centrifugation power conflicts, and the sewage sludge that will contain moisture is separated into solid and liquid.Thereby the production moisture content is 5% the solid shape powder of particulate.Can and and save disposal cost significantly, and the subsidiary facility that need not heat etc., so device structure is simple and do not have pollution sources for the second time by energy efficiency maximization thus.Erection space is obviously littler than existing mode of heating or other compost, solid shape equipment.
And, another purpose of the present invention is to provide a kind of sewage sludge to utilize treatment system again, it is because of using electric energy and moving with automated system, at utmost save the labour, and the maintenance of equipment is extremely easy, and maintenance cost is cheap, significantly reduces salt concentration, but and the auxiliary fuel of production high-quality.
The sewage sludge of first invention of the present invention to achieve these goals utilizes treating apparatus again, it is characterized in that, comprise the mixer of combined sewage mud equably, according to the particle bumping method of high speed centrifugation power with the sewage sludge of above-mentioned mixer supply be separated into the rotary impact type drying of solid shape powder of particulate and moisture and pulverizer and, will be separated into gas and liquid and be discharged into outside washer from the moisture that above-mentioned rotary impact type drying and pulverizer separate.
The sewage sludge of second invention utilizes treating apparatus again, it is characterized in that, comprises that also purified treatment is from the above-mentioned washer gas separated and the stench arrester of discharging into the atmosphere.
The sewage sludge of the 3rd invention utilizes treating apparatus again, it is characterized in that the purified treatment of above-mentioned washer is the processing of ozone and plasma.
The sewage sludge of the 4th invention utilizes processing method again, it is characterized in that, comprise with mixer combined sewage mud equably, make moisture content reach 55～60% and the pre-treatment step supplied, by will be separated into moisture content through the sewage sludge that above-mentioned pre-treatment step is supplied according to the rotary impact type drying of high speed centrifugation power and pulverizer is 5% the solid shape powder of particulate and the drying and the pulverising step of moisture, will from the solid shape powder of the particulate that above-mentioned drying and pulverising step separate be discharged to outside discharge step and, to be separated into gas and liquid from the moisture of above-mentioned drying and pulverising step separation, and be discharged into outside washing step respectively.
The sewage sludge of the 5th invention utilizes processing method again, it is characterized in that, also comprises with after above-mentioned washing step gas separated purified treatment the stench removal process of discharging into the atmosphere.
The sewage sludge of the 6th invention utilizes processing method again, it is characterized in that the purified treatment of above-mentioned washing step is the processing of ozone and plasma.
The sewage sludge of the 7th invention utilizes processing method again, it is characterized in that, the sewage sludge that is fed to above-mentioned pre-treatment step is to be that 75% sewage sludge and moisture content are that 5% sewage sludge is that 3: 1 ratio is supplied according to moisture content.
The sewage sludge of the 8th invention utilizes processing method again, it is characterized in that, to be 5% sewage sludge be the solid shape powder of particulate that separates at drying and pulverising step to the moisture content that is fed to above-mentioned pre-treatment step.
Description of drawings
Fig. 1 is the structure chart that utilizes treating apparatus according to sewage sludge of the present invention again.
Fig. 2 is the flow chart that utilizes processing method according to sewage sludge of the present invention again.
Detailed description of main elements
10: mixer 20: rotary impact type drying and pulverizer
30: washer 40: the stench arrester
The specific embodiment
Below, describe embodiments of the invention with reference to the accompanying drawings in detail.
Fig. 1 is the structure chart that utilizes treating apparatus according to sewage sludge of the present invention again.Fig. 2 is the flow chart that utilizes processing method according to sewage sludge of the present invention again.As shown in Figure 1, sewage sludge of the present invention utilizes treating apparatus to possess the mixer of combined sewage mud (10) equably again, the sewage sludge of above-mentioned mixer (10) supply is separated into the rotary impact type drying and the pulverizer (20) of solid shape powder of particulate and moisture according to the particle bumping method of high speed centrifugation power, to be separated into gas and liquid from the moisture of above-mentioned rotary impact type drying and pulverizer separation, and being discharged into outside washer (30), purified treatment is from above-mentioned washer (30) gas separated and be discharged into the stench arrester (40) of atmosphere.
Utilize these sewage sludges to utilize the processing method for the treatment of apparatus again, as shown in Figure 2, realize by following steps: with mixer (10) equably the pre-treatment step of combined sewage mud (100) and, will be separated into drying and the pulverising step (200) that particulate is consolidated shape powder and moisture from the sewage sludge that above-mentioned pre-treatment step (100) is supplied with rotary impact type drying and pulverizer (20).
To need again to utilize the sewage sludge of handling to put into rotary impact type drying and pulverizer (20) before at pre-treatment step (100), mix the sewage sludge of supplying equably, and make moisture content remain on 55-60% with mixer (10).During with rotary impact type drying and pulverizer (20) sewage sludge, when the supply the sewage sludge moisture content in 55-60%, drying and crush efficiency are the highest.Moisture content reaches 60% when above, does not realize drying and pulverising step.
The rotary impact type drying and the pulverizer (20) that carry out drying and pulverising step (200) possess bucket in the rotation that can rotate at a high speed in the bucket outside fixing, and centrifugal force and the impulsive force according to rotation at a high speed of bucket in the rotation have been utilized, sewage sludge is fed in the rotation bucket and when rotating at a high speed, the moisture of sewage sludge is separated to fixing outer bucket according to centrifugal force, then, be transplanted on washer (30) and carry out washing step (300).Be ground into after the fine-particle powder according to the rotary impact of bucket in the rotation because of to eliminate the moisture moisture content be 5% sewage sludge, disperse and be discharged into the outside according to centrifugal force.Thereby sewage sludge is separated into solid shape particulate and moisture.
At this moment, in the pre-treatment step (100), preferably, the sewage sludge that is fed to mixer (10) be moisture content be 75% 1000kg/h sewage sludge and, moisture content is 5% 500kg/h sewage sludge.That is, be moisture content that the 1500kg/h sewage sludge of 55-60% is put into rotary impact type drying and the pulverizer (20) that carries out drying and pulverising step (200), in ratio supply in 3: 1 and after evenly mixing.
And the above-mentioned moisture content of supply has more efficiency when being 5% sewage sludge for the solid shape powder of the particulate that separates from drying and pulverising step (200).Drying and pulverising step (200) according to rotary impact type drying and pulverizer (20) execution, 500kg/h among the solid shape particulate of the 750kg/h that processing separates from the 1500kg/h sewage sludge of mixer (10) supply turns back to mixer (20), and the solid shape particulate of 270kg/h is discharged to the outside and acts as a fuel use.
On the other hand, comprise gas and some attritive powders and water particle from the above-mentioned moisture that separates according to the drying and the pulverising step (200) of rotary impact type drying and pulverizer (20).This moisture is fed to washer (30) and carries out washing step (300), thereby separating treatment is the water that comprises gas and mud.At this moment, washer (20) preferably has 15Nm
3The disposal ability of/min.
Then, the water that comprises the sewage sludge that separates from above-mentioned washing step (300) is cleaned processing with the discharging of 1.5Ton/h capacity and in purified treatment factory.Gas is with 15N m
3/ min is fed to stench arrester (40), and carries out stench removal process (400).Be cleaned and discharge into the atmosphere by this stench removal process (400).Purified treatment is the processing of ozone and plasma, eliminates stench when discharging gas, prevents the pollution of atmosphere simultaneously.
Interest field of the present invention is not limited to the foregoing description.In technological thought of the present invention and patent claimed range,, can differently change, change or replace for the person skilled in art.So embodiment should belong to scope of the present invention.
Industrial applicibility
As mentioned above, according to sewage sludge recycling treating apparatus of the present invention and method thereof, the present invention is an invention of great use. It is the sewage sludge of landfill water content not. Kinetic energy according to the particle conflict that utilizes high speed centrifugation power is separated into solid and liquid. Thereby produce combustible moisture content and be 5% particulate solid powder. This particulate solid powder is as the auxiliary fuel recycling of the fuel coal in thermal power plant. Thereby have both conservation of nature environment, have again an effect of economy.
And the mode of production of particulate solid powder is separated according to the particle conflict of high speed centrifugation power and is pulverized. Thereby with ultimate attainmentization of energy efficiency, save disposal cost epoch-makingly. The subsidiary facility that need not heat etc., and device structure is simple. Erection space is obviously littler than existing mode of heating or other compost, solid equipment. And, use electric energy and with the automated system operation, and at utmost save the labour. The maintenance of equipment is extremely easy, and the operation of maintenance cost that can be cheap.
Claims (8)
1. a sewage sludge utilizes treating apparatus again, it is characterized in that, comprising:
Equably the mixer of combined sewage mud and,
With according to the particle bumping method of high speed centrifugation power with the sewage sludge of above-mentioned mixer supply be separated into the rotary impact type drying of solid shape powder of particulate and moisture and pulverizer and,
To be separated into gas and liquid from the moisture of above-mentioned rotary impact type drying and pulverizer separation, and be discharged into outside washer.
2. sewage sludge according to claim 1 utilizes treating apparatus again, it is characterized in that, also comprises purified treatment from above-mentioned washer gas separated, and is discharged into the stench arrester of atmosphere.
3. sewage sludge according to claim 1 utilizes treating apparatus again, it is characterized in that, the purified treatment of above-mentioned washer is the processing of ozone and plasma.
4. a sewage sludge utilizes processing method again, it is characterized in that, comprising:
With mixer combined sewage mud equably, make moisture content reach 55-60% and supply pre-treatment step and,
By according to the rotary impact type drying of high speed centrifugation power and pulverizer the sewage sludge of supplying through above-mentioned pre-treatment step being separated into moisture content is 5% the solid shape powder of particulate and the drying and the pulverising step of moisture,
Will from the solid shape powder of the particulate that above-mentioned drying and pulverising step separate be discharged to outside discharge step and,
To be separated into gas and liquid from the moisture of above-mentioned drying and pulverising step separation, and be discharged into outside washing step respectively.
5. sewage sludge according to claim 4 utilizes processing method again, it is characterized in that, also comprises with after above-mentioned washing step gas separated purified treatment the stench removal process of discharging into the atmosphere.
6. sewage sludge according to claim 5 utilizes processing method again, it is characterized in that, the purified treatment of above-mentioned washing step is the processing of ozone and plasma.
7. utilize processing method again according to claim 4 or 5 described sewage sludges, it is characterized in that, the sewage sludge that is fed to above-mentioned pre-treatment step is to be that 75% sewage sludge and moisture content are that 5% sewage sludge is that 3: 1 ratio is supplied according to moisture content.
8. sewage sludge according to claim 7 utilizes processing method again, it is characterized in that, to be 5% sewage sludge be the solid shape powder of particulate that separates at drying and pulverising step to the moisture content that is fed to above-mentioned pre-treatment step.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2006-0118389 | 2006-11-28 | ||
| KR1020060118389A KR100797574B1 (en) | 2006-11-28 | 2006-11-28 | The treatment method for recycle sludge from sewage |
| KR1020060118389 | 2006-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101190808A CN101190808A (en) | 2008-06-04 |
| CN101190808B true CN101190808B (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101965238A Expired - Fee Related CN101190808B (en) | 2006-11-28 | 2007-11-28 | The treatment method and device for recycle sludge from sewage |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100797574B1 (en) |
| CN (1) | CN101190808B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100993939B1 (en) * | 2008-10-30 | 2010-11-11 | 제이엔케이히터(주) | A mixture for recycling sludge and treatment thereof and apparatus the same |
| CN112755869B (en) * | 2021-01-25 | 2021-08-10 | 黄河水利职业技术学院 | Continuous treatment device and method for urban sewage |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010001457A1 (en) * | 1999-11-22 | 2001-05-24 | Wawcon, Inc. | Methods and apparatus for de-watering sludge |
| US20020070183A1 (en) * | 2000-11-23 | 2002-06-13 | Wilfried Schnabel | Method and system for production of storage-stable pellets from clarified sludge |
| CN1569699A (en) * | 2004-04-26 | 2005-01-26 | 清华大学 | Process for treating excess sludge |
| CN1579969A (en) * | 2003-08-15 | 2005-02-16 | 中国科学院沈阳应用生态研究所 | Oil-containing sludge treating process |
| CN2756633Y (en) * | 2004-12-24 | 2006-02-08 | 江苏天雨环保集团有限公司 | Cylindrical rotary tube centrifugal dewatering machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061499A (en) * | 1998-08-21 | 2000-02-29 | Toshiba Corp | Sludge drying treatment system |
| KR100485223B1 (en) | 2004-05-10 | 2005-04-27 | (주)리엔텍엔지니어링 | Apparatus for sludge dry using air conveying and method thereof |
-
2006
- 2006-11-28 KR KR1020060118389A patent/KR100797574B1/en not_active IP Right Cessation
-
2007
- 2007-11-28 CN CN2007101965238A patent/CN101190808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010001457A1 (en) * | 1999-11-22 | 2001-05-24 | Wawcon, Inc. | Methods and apparatus for de-watering sludge |
| US20020070183A1 (en) * | 2000-11-23 | 2002-06-13 | Wilfried Schnabel | Method and system for production of storage-stable pellets from clarified sludge |
| CN1579969A (en) * | 2003-08-15 | 2005-02-16 | 中国科学院沈阳应用生态研究所 | Oil-containing sludge treating process |
| CN1569699A (en) * | 2004-04-26 | 2005-01-26 | 清华大学 | Process for treating excess sludge |
| CN2756633Y (en) * | 2004-12-24 | 2006-02-08 | 江苏天雨环保集团有限公司 | Cylindrical rotary tube centrifugal dewatering machine |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-228500A 1993.09.07 |
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| Publication number | Publication date |
|---|---|
| CN101190808A (en) | 2008-06-04 |
| KR100797574B1 (en) | 2008-01-23 |
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