CN104140186A - High-efficiency energy-saving system for heating and adding chemicals for conditioning and modification treatment on sludge with high organic matter content - Google Patents
High-efficiency energy-saving system for heating and adding chemicals for conditioning and modification treatment on sludge with high organic matter content Download PDFInfo
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- CN104140186A CN104140186A CN201410398469.5A CN201410398469A CN104140186A CN 104140186 A CN104140186 A CN 104140186A CN 201410398469 A CN201410398469 A CN 201410398469A CN 104140186 A CN104140186 A CN 104140186A
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Abstract
The invention relates to a high-efficiency energy-saving system for heating and adding chemicals for conditioning and modification treatment on sludge with high organic matter content. The system comprises a sludge pump, heat exchange equipment, a chemical cabin, conditioning and modification equipment, thermal degradation and sterilization equipment, homogenization equipment, waste gas treatment equipment, a compartment film filter press and waste liquid treatment equipment. According to the system, the sludge pump is adopted to convey sludge to the heat exchange equipment, sludge which is preheated by the heat exchange equipment is fed into the conditioning and modification equipment, and the chemical cabin is used for feeding a small amount of chemicals into the conditioning and modification equipment; the modified sludge is heated in the thermal degradation and sterilization equipment and further flows into the heat exchange equipment; outer circumferential surfaces of pipelines for connecting the heat exchange equipment with the conditioning and modification equipment and the thermal degradation sterilization equipment are wrapped with a thermal insulation material; the heat exchange equipment is connected with the compartment film filter press, and the conditioned sludge is pressed into filter cakes inside the compartment film filter press; the thermal degradation and sterilization equipment is connected with the waste gas treatment equipment, and the generated gas is discharged after being treated to meet the standard; the filtrate is fed into the waste liquid treatment equipment and is discharged after being treated to meet the standard.
Description
Technical field
The present invention relates to the modified modification system of the energy-efficient heating dosing of a kind of high organic mud, particularly adopted energy-efficient heat exchanging apparatus and sludge hot degraded disinfection equipment to combine high organic mud is carried out to modified modification.
Technical background
Along with the Large scale construction of wastewater treatment in China facility, the mud therefore producing has become new environomental pollution source.The current whole nation has thousands of municipal sewage plants, approximately 4,000 ten thousand tons of the annual production of water ratio 80% mud, in sludge from wastewater treatment plant pond, moisture percentage in sewage sludge is typically designed to 99.2%, and in reality, in general municipal sewage plant collection mud sump, moisture percentage in sewage sludge is generally about 98%.Wastewater treatment in China factory conventional processing method is that mud in collection mud sump is dewatered by mechanical process, can be by this sludge dewatering to water ratio 80%, and these mud not only water ratio is high, contain the objectionable impuritiess such as a large amount of microorganisms, heavy metal simultaneously.
National environmental protection policy requirements, the mud dispatching from the factory must pass through deep dehydration, and water ratio is reduced to below 50%, and just can dispatch from the factory through innoxious, stabilization treatment, thus will be to further dewatering containing mud, i.e. deep dehydration.Because the mud organic content in some cities is higher, carry out deep dehydration to mud, with regard to needing, first the mud of these high organic contents is carried out to modified modification.Traditional method is, by adding medicine, mud is carried out to modified modification, in the medicament adding, contain some and environment is had to the element of harm, after the mud of deep dehydration is applied in environment, can produces and pollute, and because organic content is higher, medicament modified effect does not reach aforementioned requirement.Therefore we propose a kind of minimizing improved chemical consumption, significantly promote the mud heating dosing modification system of modified effect, make the mud of high organic content can reach the effect that the degree of depth is anhydrated.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide the energy-efficient heating dosing of a kind of high organic mud modified modification system.
The present invention is for achieving the above object, the technical scheme adopting is: the modified modification system of the energy-efficient heating dosing of a kind of high organic mud, primary structure comprises that sludge pump (1), heat exchanging apparatus (2), medicament storehouse (3), modified modified device (4), thermal destruction disinfection equipment (5), homogenization installation (6), waste gas treatment equipment (7), Chamber Type Diaphragm Filter Press (8), waste liquor treatment equipment (9) form.Workflow is: sludge pump (1) delivers into heat exchanging apparatus (2) fluidised form mud, then will send into modified modified device (4) through the fluidised form mud of heat exchanging apparatus (2) preheating, medicament storehouse (3) inject a small amount of medicament to modified modified device (4) simultaneously.Mud, after mixing with medicament, then enters thermal destruction disinfection equipment (5) sterilization of degrading by pipeline.Mud after heating in thermal destruction disinfection equipment (5) flows into heat exchanging apparatus (2) again, now heat is passed to low temperature fluidised form mud, and this process has reduced operation energy consumption widely, effectively also and accelerate lignin-sludge simultaneously.The pipeline periphery that heat exchanging apparatus (2) is connected with modified modified device (4), thermal destruction disinfection equipment (5) will adopt respectively lagging material, to prevent heat loss.Heat exchanging apparatus (2) is connected with Chamber Type Diaphragm Filter Press (8), the press filtration in Chamber Type Diaphragm Filter Press (8) of the mud after modified produce low-water-content filter cake.Thermal destruction disinfection equipment (5) is connected with waste gas treatment equipment (7), and the waste gas of generation is through processing, and is discharged in atmosphere after up to standard.The filtrate that Chamber Type Diaphragm Filter Press (8) produces enters waste liquor treatment equipment (9), processes up to standard can discharge afterwards.
Accompanying drawing explanation
Accompanying drawing is the structural representation of the modified modification system of the energy-efficient heating dosing of a kind of high organic mud
1-sludge pump, 2-heat exchanging apparatus, 3-medicament storehouse, the modified modified device of 4-, 5-thermal destruction disinfection equipment, 6-homogenization installation, 7-waste gas treatment equipment, 8-Chamber Type Diaphragm Filter Press, 9-waste liquor treatment equipment
Embodiment
Below in conjunction with concrete accompanying drawing, the invention will be further described.
With reference to accompanying drawing, the modified modification system of the energy-efficient heating dosing of high organic mud, primary structure comprises: sludge pump (1), heat exchanging apparatus (2), medicament storehouse (3), modified modified device (4), thermal destruction disinfection equipment (5), homogenization installation (6), waste gas treatment equipment (7), Chamber Type Diaphragm Filter Press (8), waste liquor treatment equipment (9).Sludge pump (1) delivers into the mud of water ratio 90%～93% in heat exchanging apparatus (2) by mud conveying pipeline, fluidised form mud through heat exchanging apparatus (2) preheating enters in modified modified device (4) through mud conveying pipeline, and medicament storehouse (3) add a small amount of medicament to modified modified device (4).After mud mixes with medicament, enter thermal destruction disinfection equipment (4) heat modifiedly by pipeline, the high temperature mud after heating flows into heat exchanging apparatus (2) again, and heat is passed to low temperature fluidised form mud.Mud through heat exchange cooling enters in Chamber Type Diaphragm Filter Press (8), and in Chamber Type Diaphragm Filter Press (8), press filtration produces the filter cake of low-water-content.Thermal destruction disinfection equipment (5) is connected with waste gas treatment equipment (7), and the waste gas of generation is through processing, and is discharged in atmosphere after up to standard.The filtrate that pressure filter produces enters waste liquor treatment equipment (9), treated up to standard can the discharge afterwards of filtrate of generation.
Claims (3)
1. the modified modification system of the energy-efficient heating dosing of high organic mud, comprise: sludge pump (1), heat exchanging apparatus (2), medicament storehouse (3), modified modified device (4), thermal destruction disinfection equipment (5), homogenization installation (6), waste gas treatment equipment (7), Chamber Type Diaphragm Filter Press (8), waste liquor treatment equipment (9) forms, it is characterized in that: primary sludge enters heat exchanging apparatus (2) through piping and carries out heat exchange with high temperature mud, mud is after modified modified device (4) mixes, by pipeline, enter thermal destruction disinfection equipment (5), mud after heating flows into heat exchanging apparatus (2) again, heat is passed to low temperature fluidised form mud.
2. the modified modification system of the energy-efficient heating dosing of a kind of high organic mud according to claim 1, it is characterized in that: the pipeline periphery that heat exchanging apparatus (2) is connected with modified modified device (4), thermal destruction disinfection equipment (5) adopts respectively adiabator layer parcel or heat insulation material, and its external thermal insulation material can be selected urethane foam or rock wool coiled material.
3. the modified modification system of the energy-efficient heating dosing of a kind of high organic mud according to claim 1, it is characterized in that: the mud after thermal destruction disinfection equipment (5) is processed flows into heat exchanging apparatus (2) again, now heat is passed to low temperature fluidised form mud, promote the temperature of mud, this process has reduced sludge treatment operation energy consumption widely, has accelerated the time of the follow-up mud that stirs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398469.5A CN104140186A (en) | 2014-08-14 | 2014-08-14 | High-efficiency energy-saving system for heating and adding chemicals for conditioning and modification treatment on sludge with high organic matter content |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410398469.5A CN104140186A (en) | 2014-08-14 | 2014-08-14 | High-efficiency energy-saving system for heating and adding chemicals for conditioning and modification treatment on sludge with high organic matter content |
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| CN104140186A true CN104140186A (en) | 2014-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107804953A (en) * | 2016-09-09 | 2018-03-16 | 景津环保股份有限公司 | A kind of quenched high level cadre's dehydration technique of sludge hot |
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Application publication date: 20141112 |