CN102219345A - Unharmful self-sustained sludge disposal and incinerating technique - Google Patents
Unharmful self-sustained sludge disposal and incinerating technique Download PDFInfo
- Publication number
- CN102219345A CN102219345A CN2011100924735A CN201110092473A CN102219345A CN 102219345 A CN102219345 A CN 102219345A CN 2011100924735 A CN2011100924735 A CN 2011100924735A CN 201110092473 A CN201110092473 A CN 201110092473A CN 102219345 A CN102219345 A CN 102219345A
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- Prior art keywords
- mud
- sludge
- incinerator
- fluidized bed
- self
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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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a sludge disposal technique, in particular to an unharmful self-sustained sludge disposal and incinerating technique, comprising the following steps: using a sludge transfer pump to pump the sludge with water content of 80-98% into a filter press for dehydrating the sludge to reduce the water content of the sludge to below 70%, sening the sludge with the water content below 70% to a fluidized bed dryer for anhydration to make the water content of the sludge below 35%, crushing the sludge with the water content below 35% and transferring the crushed sludge into an incinerator with a temperature more than 850 DEG C for incinerating. The heat generated by incinerating is sent to the fluidized bed dryer for anhydration processing of the sludge, so as to make the sludge self-sustained incinerate in the incinerator, truly being capable of realize the low energy consumption and unharmful disposal for the sludge. The technique is a means with both good economic returns and social benefits.
Description
Technical field
The present invention relates to a kind of sludge treatment technique, relate in particular to the self-holding balance of mud and burn harmless treatment process.
Background technology
Along with the population of urban sewage network service constantly increases, the newly-built or reorganization and expansion of each large and medium-sized sewage work in the more and more strictness of water quality emission standard and the city, the output of mud (sewage) also increases sharply.On the Chinese side, will reach 1,700 ten thousand tons/year, be equivalent to more than 2 times in 2003 to sludge yield in 2015.If mud will cause serious secondary pollution not by appropriate processing and disposal.Therefore, how decrement, high-level efficiency, science, innoxious handle mud and become a great problem that countries in the world face jointly.At present, the sludge concentration and dewatering equipment mostly selected for use of each big sewage work is: horizontal centrifuge, belt filter pressing dehydrator, these three kinds of equipment of plate and frame filter pressing dehydrator.Wherein " horizontal spiral centrifuge " is at present comparatively advanced in the world sludge concentration and dewatering equipment, but in the actual motion water ratio behind the final sludge concentration and dewatering still about 82%.Still contain quite high moisture just because of the mud after the thickening, this has brought very big difficulty for follow-up sludge disposal.The treatment and disposal technology of innovation does not still appear in countries in the world at present, mainly still concentrates on the direct utilization sulfuration bed incineration technology.Though sulfuration bed incineration technology advanced person, volume is little, is faced with the problem of high energy consumption, the balance of can't controlling oneself burning and processing sludge.So, how moisture percentage in sewage sludge is reduced to below 70%, be problem anxious to be solved for follow-up sludge treatment disposal brings revolutionary variation.
Summary of the invention
The present invention is directed in the prior art, the deficiency of the balance of can't controlling oneself burning and processing sludge provides the self-holding balance of mud to burn harmless treatment process.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
The self-holding balance of mud is burned harmless treatment process, and the self-holding balance of mud provided by the present invention is burned harmless treatment process, and the equipment of finishing described technology comprises mud transferpump and pressure filter.Adopting the mud transferpump is 80%-98% mud with water ratio, pumps in the pressure filter and dewaters, and the water ratio in the mud is reduced to below 70%.These four the perfect extrusion dehydrations that constitute a complete and continuous less energy-consumption of sophisticated independent system mechanism, and make the self-holding balance of mud burn the technical process of harmless treatment.By the whole continuous production process of above system, the final target that realizes the sewage sludge harmlessness processing.And bring high-level efficiency, less energy-consumption, oligosaprobic revolutionary technique change for follow-up processing and the disposal of mud.
As preferably, pressure filter is connected with fluidized bed dryer; The mud of water ratio below 70% is delivered to carries out drying and other treatment in the fluidized bed dryer, below moisture percentage in sewage sludge mummification to 35%.
As preferably, fluidized bed dryer is connected with incinerator; Water ratio is sent into temperature after the mud ingot fragmentation below 35% reached in the incinerator more than 850 ℃, burn, the heat that produces in the burning transfers to again and is used for the sludge drying processing in the fluidized bed dryer, the mud balance of can controlling oneself in incinerator is burned, realize the harmless treatment of mud.
As preferably, described mud transferpump is screw mud transferpump or plunger tpe mud transferpump.The mud transferpump can be delivered to mud in the pressure filter by successive.Compare with other transfer mechanisms, its energy consumption is low, and noise is little, and floor space is little.
As preferably, described incinerator is circulating fluidized bed incinerator or bubbling style fluidized bed incinerator.
As preferably, mud is directly pumped in the pressure filter by pressure by the mud transferpump and dewaters.
As preferably, be provided with airflow circulating system between described incinerator and the fluidized bed dryer, the cigarette heat that incinerator produces is collected, and acts on fluidized bed dryer through airflow circulating system, and the mud of water ratio below 70% is carried out drying and other treatment.
As preferably, be provided with circulation oil line system between described incinerator and the fluidized bed dryer, by the heat heating thermal oil that incinerator produces, the oil piping system that Heat-transfer Oil Pump is delivered in the fluidized bed dryer is used for water ratio is carried out drying and other treatment at the mud below 70%.
According to technical scheme of the present invention, water ratio is reduced to mud below 70% and is delivered to and carries out drying and other treatment in the fluidized bed dryer, below moisture percentage in sewage sludge mummification to 35%, water ratio being sent into temperature behind the sludge crushing below 35% has reached in the incinerator more than 850 ℃ again, burn, the heat that the burning back produces transfers to again and is used for the sludge drying processing in the fluidized bed dryer, the mud balance of can controlling oneself in incinerator is burned, really accomplish mud less energy-consumption processing, this will be the measure that the economy and society benefit develops simultaneously.
Description of drawings
Fig. 1 is an overall flow synoptic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail.
Referring to accompanying drawing 1, the equipment of technology of the present invention by mud transferpump, pressure filter, fluidized bed dryer and four maturations of incinerator independently system authority form.The mud transferpump is connected with the pressure filter interface, to be 80%-98% sludge pumping with water ratio carry out press dewatering to the pressure filter to the mud transferpump handles, make the water ratio in the mud reduce to below 70%, mud is taken off from pressure filter, be delivered in the fluidized bed dryer, the heat that is produced by incinerator carries out drying and other treatment to it, below moisture percentage in sewage sludge mummification to 35%, again water ratio is sent into behind the sludge crushing below 35% in the incinerator that temperature reached 850 ℃, burn, heat that will produce in meanwhile will burning again and cigarette heat transfer to and are used for the sludge drying processing in the fluidized bed dryer, allow the mud balance of in incinerator, can controlling oneself burn, sewage sludge harmlessness is handled, really realized the ambitious goal of energy-saving and emission-reduction.The heat that the burning back produces transfers to again and is used for the sludge drying processing in the fluidized bed dryer, there is dual mode simultaneously: the one,, be provided with airflow circulating system between incinerator and the fluidized bed dryer, the cigarette heat that incinerator produces is collected, act on fluidized bed dryer through airflow circulating system, the mud of water ratio below 70% is carried out drying and other treatment; The 2nd, be provided with circulation oil line system between incinerator and the fluidized bed dryer, by the heat heating thermal oil that incinerator produces, the oil piping system that Heat-transfer Oil Pump is delivered in the fluidized bed dryer is used for water ratio is carried out drying and other treatment at the mud below 70%.
In a word, the above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (8)
1. the self-holding balance of mud is burned harmless treatment process, and it is characterized in that: the equipment of finishing described technology comprises mud transferpump and pressure filter; Adopting the mud transferpump is 80%-98% mud with water ratio, pumps in the pressure filter and dewaters, and the water ratio in the mud is reduced to below 70%.
2. the self-holding balance of mud according to claim 1 is burned harmless treatment process, and it is characterized in that: pressure filter is connected with fluidized bed dryer; The mud of water ratio below 70% is delivered to carries out drying and other treatment in the fluidized bed dryer, below moisture percentage in sewage sludge mummification to 35%.
3. the self-holding balance of mud according to claim 2 is burned harmless treatment process, and it is characterized in that: fluidized bed dryer is connected with incinerator; Water ratio is sent into temperature after the mud ingot fragmentation below 35% reached in the incinerator more than 850 ℃, burn, the heat that produces in the burning will transfer to again and be used for sludge drying in the fluidized bed dryer and handle, and the mud balance of can controlling oneself in incinerator is burned.
4. the self-holding balance of mud according to claim 1 is burned harmless treatment process, and it is characterized in that: described mud transferpump is screw mud transferpump or plunger tpe mud transferpump.
5. the self-holding balance of mud according to claim 3 is burned harmless treatment process, and it is characterized in that: described incinerator is circulating fluidized bed incinerator or bubbling style fluidized bed incinerator.
6. the self-holding balance of mud according to claim 1 is burned harmless treatment process, and it is characterized in that: mud is directly pumped in the pressure filter by pressure by the mud transferpump and dewaters.
7. the self-holding balance of mud according to claim 3 is burned harmless treatment process, it is characterized in that: be provided with airflow circulating system between described incinerator and the fluidized bed dryer, the cigarette heat that incinerator produces is collected, act on fluidized bed dryer through airflow circulating system, the mud of water ratio below 70% is carried out drying and other treatment.
8. the self-holding balance of mud according to claim 3 is burned harmless treatment process, it is characterized in that: be provided with circulation oil line system between described incinerator and the fluidized bed dryer, by the heat heating thermal oil that incinerator produces, the oil piping system that Heat-transfer Oil Pump is delivered in the fluidized bed dryer is used for water ratio is carried out drying and other treatment at the mud below 70%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100924735A CN102219345A (en) | 2011-04-13 | 2011-04-13 | Unharmful self-sustained sludge disposal and incinerating technique |
| PCT/CN2012/070725 WO2012139431A1 (en) | 2011-04-13 | 2012-01-27 | Treatment process for making sludge harmless through self-sustaining balanced incineration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100924735A CN102219345A (en) | 2011-04-13 | 2011-04-13 | Unharmful self-sustained sludge disposal and incinerating technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102219345A true CN102219345A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100924735A Pending CN102219345A (en) | 2011-04-13 | 2011-04-13 | Unharmful self-sustained sludge disposal and incinerating technique |
Country Status (2)
| Country | Link |
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| CN (1) | CN102219345A (en) |
| WO (1) | WO2012139431A1 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139431A1 (en) * | 2011-04-13 | 2012-10-18 | Xu Jikai | Treatment process for making sludge harmless through self-sustaining balanced incineration |
| CN103708691A (en) * | 2013-12-25 | 2014-04-09 | 华纺股份有限公司 | Integrated treatment process of dyeing sludge |
| CN105240859A (en) * | 2015-10-30 | 2016-01-13 | 大连科林能源工程技术开发有限公司 | Energy-self-supplying type chemical engineering sludge drying and burning system |
| CN109928595A (en) * | 2019-03-28 | 2019-06-25 | 北京科技大学 | Sludge deep drying method and system based on low-temperature heat source |
| CN111170608A (en) * | 2019-12-05 | 2020-05-19 | 大连绿诺集团有限公司 | Municipal sludge dewatering, drying and burning treatment system without adding fuel |
| CN112128778A (en) * | 2020-08-14 | 2020-12-25 | 安吉临港热电有限公司 | Dust-free sludge incineration device and incineration process thereof |
| CN112250275A (en) * | 2020-09-27 | 2021-01-22 | 浙江华川实业集团有限公司 | Sludge treatment method for paper industry sewage |
| CN113429105A (en) * | 2021-05-31 | 2021-09-24 | 广州市土木金建筑工程有限公司 | Sludge constant-temperature drying harmless treatment method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012139431A1 (en) * | 2011-04-13 | 2012-10-18 | Xu Jikai | Treatment process for making sludge harmless through self-sustaining balanced incineration |
| CN103708691A (en) * | 2013-12-25 | 2014-04-09 | 华纺股份有限公司 | Integrated treatment process of dyeing sludge |
| CN103708691B (en) * | 2013-12-25 | 2015-07-29 | 华纺股份有限公司 | The technique that printing and dyeing sludge is close-coupled processing |
| CN105240859A (en) * | 2015-10-30 | 2016-01-13 | 大连科林能源工程技术开发有限公司 | Energy-self-supplying type chemical engineering sludge drying and burning system |
| CN109928595A (en) * | 2019-03-28 | 2019-06-25 | 北京科技大学 | Sludge deep drying method and system based on low-temperature heat source |
| CN109928595B (en) * | 2019-03-28 | 2021-02-02 | 北京科技大学 | Sludge deep drying method and system based on low-temperature heat source |
| CN111170608A (en) * | 2019-12-05 | 2020-05-19 | 大连绿诺集团有限公司 | Municipal sludge dewatering, drying and burning treatment system without adding fuel |
| CN112128778A (en) * | 2020-08-14 | 2020-12-25 | 安吉临港热电有限公司 | Dust-free sludge incineration device and incineration process thereof |
| CN112250275A (en) * | 2020-09-27 | 2021-01-22 | 浙江华川实业集团有限公司 | Sludge treatment method for paper industry sewage |
| CN112250275B (en) * | 2020-09-27 | 2024-03-26 | 浙江华川实业集团有限公司 | Sludge treatment method for papermaking sewage |
| CN113429105A (en) * | 2021-05-31 | 2021-09-24 | 广州市土木金建筑工程有限公司 | Sludge constant-temperature drying harmless treatment method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012139431A1 (en) | 2012-10-18 |
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Free format text: FORMER OWNER: ZHANG YINGYING Effective date: 20120203 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20120203 Address after: 303, room 3, unit 1, building 310009, Hangzhou Road, Jiangcheng Road, Shangcheng District, Zhejiang, China Applicant after: Xu Jikai Address before: 303, room 3, unit 1, building 310009, Hangzhou Road, Jiangcheng Road, Shangcheng District, Zhejiang, China Applicant before: Xu Jikai Co-applicant before: Zhang Yingying |
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Application publication date: 20111019 |