CN202543010U - Sludge conditioning and dewatering treatment and disposal system - Google Patents

Sludge conditioning and dewatering treatment and disposal system Download PDF

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Publication number
CN202543010U
CN202543010U CN2011204801496U CN201120480149U CN202543010U CN 202543010 U CN202543010 U CN 202543010U CN 2011204801496 U CN2011204801496 U CN 2011204801496U CN 201120480149 U CN201120480149 U CN 201120480149U CN 202543010 U CN202543010 U CN 202543010U
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CN
China
Prior art keywords
sludge
mud
warehouse
dewatered sludge
disposal system
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Expired - Lifetime
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CN2011204801496U
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Chinese (zh)
Inventor
徐奎江
张宝林
盛飞
张立
靳钊
任凯
徐立
郭伟
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Guodian New Energy Technology Institute
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Beijing Lucency Enviro Tech Co Ltd
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Priority to CN2011204801496U priority Critical patent/CN202543010U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

The utility model discloses a sludge conditioning and dewatering treatment and disposal system which comprises a wet sludge storage bin for storing dewatering sludge which is discharged from a sewage treatment plant, sludge dewatering equipment for drying the dewatering sludge through a conditioner, a sludge delivery pump, a sludge conditioning box, a dry sludge storage bin, dry sludge delivery equipment and sludge dewatering equipment, wherein the sludge delivery pump is respectively connected with the wet sludge storage bin and the sludge conditioning box; the sludge conditioning box is communicated with the sludge delivery pump; the dry sludge storage bin is connected with the sludge dewatering equipment; the dry sludge delivery equipment is connected with the dry sludge storage bin; and the sludge dewatering equipment is connected with a slurry supply pump. With the sludge conditioning and dewatering treatment and disposal system, the sludge treatment and disposal cost can be effectively lowered, and high-quality energies are greatly saved, so the treatment of wastes with processes of wastes against one another is realized.

Description

Sludge conditioning processed disposal system
Technical field
The present invention relates to solid waste disposal category in the environmental protection field, specifically relate to a kind of treatment and disposal system of mud.
Background technology
Mud is the inevitable outcome of municipal sewage plant's WWT, enormous amount, and complicated component be difficult to handle, and the sludge disposal expense is also bigger.The purpose of sludge treatment is to reach minimizing, stabilization, innoxious and resource utilization, and the method for sludge treatment of comparative maturity has landfill, compost and burning etc.
Burning is the combustiblecomponents fully burning at high temperature that makes in the mud, finally becomes stable lime-ash.Burning method has that to subtract appearance, weight-loss ratio high, and processing speed is fast, and is innoxious more thorough, and waste heat can be used for advantages such as generating or heat supply.The main purpose of burning is an incinerating waste material as much as possible, make the material that is burned innoxious with subtract appearance to greatest extent, and reduce new pollutent generation as far as possible, avoid causing secondary pollution.In recent years, burning method has adopted appropriate pretreatment technology and advanced incinerating method, has reached the self-sustaining of sludge heat energy, and can satisfy more and more stricter environmental requirement, has obtained a large amount of utilizations in developed country especially Japan with Europe.But sludge incineration need be built complete thermal source, drying facility, burning facility and vent gas treatment facility, also need replenish a large amount of high-grade fuels during operation, and capital construction and working cost are high, is difficult to direct implementation in China.
Mud multifuel combustion in the kiln of existing cement mill is a kind of implementation that sludge incineration is disposed, and the cement mill kiln is disposed waste and belonged to the multifuel combustion category, has special law to administer abroad.The sludge disposal mode of mud and cement clinker multifuel combustion has been adopted in the cement mill of some provinces and cities of China, and this treatment and disposal mode economy and technical feasibility also receive much concern and dispute on.
Water ratio and the interpolation rate that the question in dispute mainly concentrates on mud has considerable influence to the thermo-efficiency of cement kiln; Moisture percentage in sewage sludge is high more, and calorific value is low more, and hot contribution rate is more little; The mud of 80% water ratio is very low to the hot contribution rate of cement kiln; Directly the utilization rate of heat value of deodorization by incineration sewage sludge is extremely low, not only can not utilize organic calorific value in the mud, also need replenish a large amount of high-grade fuels as ignition dope.Dewatered sludge water ratio high (75%~85%); Viscosity is big; Be the viscous semi-fluid condition; For the even blend that guarantees mud, with the cement clinker good mixing effect, the position of nozzle, form, quantity and material need be done deep research, and also need pay attention to cleaning, replacing and the maintenance of nozzle in the routine maintenance.In addition; Mostly that adopts at present that dewatered sludge directly mixes burning is the small-sized fluidized bed boiler, and furnace temperature is lower than large-scale coal-powder boiler and cement kiln, pollutent might occur and burn incomplete; The situation of secondary pollution takes place, and this also is directly to mix to burn the dewatered sludge problem demanding prompt solution.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.For this reason; One object of the present invention is to propose a kind of mummification-mix sludge conditioning processed disposal system of burning; This system utilizes the dispose of sewage dewatered sludge of factory of chemical amendment; Mud after handling sent in the device for dehydrating sladge waste dewater, the dried mud cake of generation is sent into the cement mill kiln and is mixed with cement clinker and mix burning.
A kind of sludge conditioning processed disposal system is characterized in that, sends into the cement mill after the dewatered sludge mummification that said sludge conditioning processed disposal system is used for sewage work is discharged and mixes burning, and comprise:
The wet mud warehouse of the dewatered sludge that storage sewage work discharges;
Through the device for dehydrating sladge waste of amendment with the dewatered sludge mummification;
Mud transferpump, said mud transferpump link to each other with the sludge conditioning case with said wet mud warehouse respectively, so that the dewatered sludge in the said wet mud warehouse is sent in the said sludge conditioning case;
The sludge conditioning case, said sludge conditioning case links to each other with the mud transferpump, and moisture separates with mud is intermolecular in the mud so that amendment and mud thorough mixing are reached;
The dewatered sludge warehouse, said dewatered sludge warehouse links to each other with said device for dehydrating sladge waste, to receive isolated dewatered sludge in the device for dehydrating sladge waste;
The dewatered sludge handling equipment, said dewatered sludge handling equipment links to each other with said dewatered sludge warehouse, dewatered sludge is conveyed into the feeding system in cement mill;
Device for dehydrating sladge waste, said device for dehydrating sladge waste links to each other with slurry supply pump, with in the said sludge conditioning case conditioning after sludge dehydrating and drying after enter the dewatered sludge warehouse so that carry out subsequent disposal.
Described sludge conditioning processed disposal system is characterized in that, said wet mud warehouse is closed, and comprises the exhaust ventilation system.
Described sludge conditioning processed disposal system is characterized in that, said mud transferpump and slurry supply pump adopt spiral pump or rampump.
Described sludge conditioning processed disposal system is characterized in that, said device for dehydrating sladge waste is a high pressure sheet frame water extracter.
Described sludge conditioning processed disposal system is characterized in that, the mud transferpump is transported to the mud in the wet mud warehouse in the sludge conditioning case and nurses one's health processing.
Described sludge conditioning processed disposal system is characterized in that, said dewatered sludge handling equipment is the dewatered sludge conveying and metering equipment of the mud after the measurable mummification.
Described sludge conditioning processed disposal system is characterized in that, further comprises the biological deodorizing unit that is used to handle the wet mud warehouse and the foul smell of sludge dehydrating and drying workshop generation.
Sending into the cement mill after the dewatered sludge mummification that the sludge conditioning processed disposal system of first embodiment according to the invention, said sludge conditioning processed disposal system are used for sewage work is discharged mixes and burns and comprise: the wet mud warehouse of the dewatered sludge that storage sewage work discharges; Through the device for dehydrating sladge waste of amendment with the dewatered sludge mummification; Mud transferpump, said mud transferpump link to each other with the sludge conditioning case with said wet mud warehouse respectively, so that the dewatered sludge in the said wet mud warehouse is sent in the said sludge conditioning case; The sludge conditioning case, said sludge conditioning case links to each other with said mud transferpump, and moisture separates with mud is intermolecular in the mud so that amendment and mud thorough mixing are reached; The dewatered sludge warehouse, said dewatered sludge warehouse links to each other with said device for dehydrating sladge waste, to receive isolated dewatered sludge in the device for dehydrating sladge waste; The dewatered sludge handling equipment, said dewatered sludge handling equipment links to each other with said dewatered sludge warehouse, dewatered sludge is conveyed into the feeding system in cement mill; Device for dehydrating sladge waste, said device for dehydrating sladge waste links to each other with slurry supply pump, with in the said sludge conditioning case conditioning after sludge dehydrating and drying after enter the dewatered sludge warehouse so that carry out subsequent disposal.
In addition, the sludge conditioning processed disposal system of first embodiment according to the invention also has following additional technical feature:
Said wet mud warehouse is closed, and comprises the exhaust ventilation system.
Said mud transferpump and sludge pump adopt spiral pump or rampump.
Said device for dehydrating sladge waste is a high pressure sheet frame water extracter.
Said amendment is the chemical agent combination medicament, and drops into by a certain percentage in batches and carry out physical-chemical reaction processing mud in the sludge conditioning case, makes it to reach dehydrating effect.
The mud transferpump is suitable for that the mud in the wet mud warehouse is transported to the sludge conditioning case to be handled.
Said dewatered sludge handling equipment is the dewatered sludge conveying and metering equipment of the mud after the measurable mummification.
Said sludge conditioning processed disposal system further comprises the biological deodorizing unit of the foul smell that is used to handle wet mud warehouse and sludge drying workshop.
According to sludge conditioning processed disposal system of the present invention; Utilize the mud after chemical agent is nursed one's health; After slurry supply pump is sent into the device for dehydrating sladge waste processing, obtain the lower mud cake of water ratio, in the kiln of cement mill, directly mix burning, like this with cement clinker; Can effectively reduce the cost of sludge treatment disposal and practice thrift a large amount of high-grade energies, realize the treatment of wastes with processes of wastes against one another.In addition, also need not transform, and can the operation and the exhaust treatment system of cement kiln do not had a negative impact the cement mill kiln.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the synoptic diagram of sludge conditioning processed disposal system according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; Term " on ", the orientation of indication such as D score or position relation be for based on orientation shown in the drawings or position relation; Only be for the ease of describing the present invention rather than requiring the present invention therefore can not be interpreted as limitation of the present invention with specific azimuth configuration and operation.
The sludge conditioning processed disposal system of describing according to the embodiment of the invention with reference to figure 1 below.
As shown in Figure 1; Sludge conditioning processed disposal system according to an embodiment of the invention; The dewatered sludge conditioning back dehydration and drying that is used for that sewage work is discharged is sent into the cement mill and is mixed burning, comprising: amendment case (1), amendment handling equipment (2), sludge conditioning case (3), wet mud warehouse (4), mud transferpump (5), slurry supply pump (6), device for dehydrating sladge waste (7), dewatered sludge warehouse (8), dewatered sludge handling equipment (9), Building Materials Factory (10), sewage treatment equipment (11).
The chemical agent of the required usefulness of storage sludge treatment in the amendment case (1).In one embodiment of the invention, amendment case (1) is semienclosed, and comprises waterworks, and its required storage volume is 5~7 days a chemicals treatment amount.
Amendment handling equipment (2) links to each other with sludge conditioning case (3) with amendment case (1) respectively, is used for the chemical agent of amendment case (1) is sent in the sludge conditioning case (3).Particularly, amendment handling equipment (2) adopts worm conveyor or star-like material feeder, and wherein, transmitting range adopts star-like material feeder in short-term, and long distance or resistance adopt worm conveyor when big.
The dewatered sludge that storage sewage work discharges in the wet mud warehouse (4).In one embodiment of the invention, wet mud warehouse (4) is enclosed, and comprises the exhaust ventilation system, and its required storage volumes is 1~2 day a mud handling capacity.
Device for dehydrating sladge waste (7) main processing is by slurry supply pump (6) conditioned mud in the sludge conditioning case (3), and the dried mud cake that after dehydration, obtains is sent into further comprehensive utilization in the dewatered sludge warehouse (8).Handling of its generation for water enters into sewage treatment equipment (11), back up to standard discharging.Particularly, device for dehydrating sladge waste (7) adopts the high pressure plate-and-frame filter press.
Mud transferpump (5) links to each other with sludge conditioning case (3) with wet mud warehouse (4) respectively, is used for the dewatered sludge of wet mud warehouse (4) is sent in the sludge conditioning case (3).Particularly, mud transferpump (5) adopts spiral pump or rampump, wherein, the short or resistance hour employing spiral pump of transmitting range, long distance or resistance adopt rampump when big.
Slurry supply pump (6) links to each other with device for dehydrating sladge waste (7) with sludge conditioning case (3) respectively, is used for the conditioned mud of sludge conditioning case (3) is sent in the device for dehydrating sladge waste (7).Particularly, slurry supply pump (6) adopts spiral pump.
Dewatered sludge warehouse (8) links to each other with device for dehydrating sladge waste (7), in order to receive isolated dewatered sludge and temporary in the device for dehydrating sladge waste (7).And dewatered sludge handling equipment (9) links to each other with dewatered sludge warehouse (8), is used for dewatered sludge is conveyed into the feeding system (10) in cement mill, and the blending ratio of mud and cement clinker or coal dust is less than 1:20.Particularly, dewatered sludge handling equipment (9) is the dewatered sludge conveying and metering equipment of the mud after the measurable mummification, and dewatered sludge conveying and metering equipment can adopt the belt metering outfit.
In an example of the present invention, sludge conditioning processed disposal system also further comprises treatment unit for waste water (11), is used to handle the waste water that device for dehydrating sladge waste (7) produces.
According to sludge conditioning processed disposal system of the present invention; After utilizing chemical agent to handle the higher dewatered sludge of water ratio; In device for dehydrating sladge waste, carry out deep dehydration and obtain dried mud cake delivering to and directly mixing burning in the kiln of cement mill; Like this, can effectively reduce the cost of sludge treatment disposal and practice thrift a large amount of high-grade energies, realize the treatment of wastes with processes of wastes against one another.In addition, also need not transform, and can the operation and the exhaust treatment system of cement mill kiln do not had a negative impact the cement mill kiln.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (7)

1. a sludge conditioning processed disposal system is characterized in that, sends into the cement mill after the dewatered sludge mummification that said sludge conditioning processed disposal system is used for sewage work is discharged and mixes burning, and comprise:
The wet mud warehouse of the dewatered sludge that storage sewage work discharges;
Through the device for dehydrating sladge waste of amendment with the dewatered sludge mummification;
Mud transferpump, said mud transferpump link to each other with the sludge conditioning case with said wet mud warehouse respectively, so that the dewatered sludge in the said wet mud warehouse is sent in the said sludge conditioning case;
The sludge conditioning case, said sludge conditioning case is connected with the mud transferpump, and moisture separates with mud is intermolecular in the mud so that amendment and mud thorough mixing are reached;
The dewatered sludge warehouse, said dewatered sludge warehouse links to each other with said device for dehydrating sladge waste, to receive isolated dewatered sludge in the device for dehydrating sladge waste;
The dewatered sludge handling equipment, said dewatered sludge handling equipment links to each other with said dewatered sludge warehouse, dewatered sludge is conveyed into the feeding system in cement mill;
Device for dehydrating sladge waste, said device for dehydrating sladge waste links to each other with slurry supply pump, with in the said sludge conditioning case conditioning after sludge dehydrating and drying after enter the dewatered sludge warehouse so that carry out subsequent disposal.
2. sludge conditioning processed disposal system according to claim 1 is characterized in that, said wet mud warehouse is closed, and comprises the exhaust ventilation system.
3. sludge conditioning processed disposal system according to claim 1 is characterized in that, said mud transferpump and slurry supply pump adopt spiral pump or rampump.
4. sludge conditioning processed disposal system according to claim 1 is characterized in that, said device for dehydrating sladge waste is a high pressure sheet frame water extracter.
5. sludge conditioning processed disposal system according to claim 1 is characterized in that, the mud transferpump is transported to the mud in the wet mud warehouse in the sludge conditioning case and nurses one's health processing.
6. sludge conditioning processed disposal system according to claim 1 is characterized in that, said dewatered sludge handling equipment is the dewatered sludge conveying and metering equipment of the mud after the measurable mummification.
7. sludge conditioning processed disposal system according to claim 1 is characterized in that, further comprises the biological deodorizing unit that is used to handle the wet mud warehouse and the foul smell of sludge dehydrating and drying workshop generation.
CN2011204801496U 2011-11-28 2011-11-28 Sludge conditioning and dewatering treatment and disposal system Expired - Lifetime CN202543010U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674644A (en) * 2011-11-28 2012-09-19 北京朗新明环保科技有限公司 Sludge conditioning and dewatering treatment system and method
CN103058489A (en) * 2013-01-16 2013-04-24 河海大学 Method of sludge plate-frame pressure filtration deep dewatering by slurry regulation with air bubbles
CN106116080A (en) * 2016-08-31 2016-11-16 柳州市润广科技有限公司 A kind of solidification landfill disposal method of mud

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674644A (en) * 2011-11-28 2012-09-19 北京朗新明环保科技有限公司 Sludge conditioning and dewatering treatment system and method
CN103058489A (en) * 2013-01-16 2013-04-24 河海大学 Method of sludge plate-frame pressure filtration deep dewatering by slurry regulation with air bubbles
CN103058489B (en) * 2013-01-16 2014-10-22 河海大学 Method of sludge plate-frame pressure filtration deep dewatering by slurry regulation with air bubbles
CN106116080A (en) * 2016-08-31 2016-11-16 柳州市润广科技有限公司 A kind of solidification landfill disposal method of mud

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GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: NATIONAL ELECTRIC NEW ENERGY TECHNOLOGY INSTITUTE

Effective date: 20131009

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20131009

Address after: 100039 Beijing West Fourth Ring Road, No. 16, building 6, floor 1, Haidian District

Patentee after: Beijing Lucency Enviro-Tech. Co., Ltd.

Patentee after: Guodian New Energy Technology Institute

Address before: 100039 Beijing West Fourth Ring Road, No. 16, building 6, floor 1, Haidian District

Patentee before: Beijing Lucency Enviro-Tech. Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20121121

CX01 Expiry of patent term