CN102225834B - Sludge treatment method and device for urban drainage pipe network - Google Patents

Sludge treatment method and device for urban drainage pipe network Download PDF

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Publication number
CN102225834B
CN102225834B CN 201110132167 CN201110132167A CN102225834B CN 102225834 B CN102225834 B CN 102225834B CN 201110132167 CN201110132167 CN 201110132167 CN 201110132167 A CN201110132167 A CN 201110132167A CN 102225834 B CN102225834 B CN 102225834B
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pipe network
drainage pipe
sieve
pond
sludge treatment
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CN102225834A (en
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唐庆明
刘爽
陈益人
马吉利
周建
张民
张沛强
池永洲
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Safecleen Technologies Co Ltd
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Black whirlwind engineering machinery Development Co Ltd
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Abstract

A sludge treatment method for an urban drainage pipe network comprises the following steps of: 1) multi-stage screening; 2) conveying the separated slag into a garbage bucket by a conveying device; 3) conveying the separated sewage to a sewage-collecting pool; 4) arranging a first submersible sewage pump outlet on the sewage-collecting pool, wherein the pump is connected to a cyclone desander and is used to separate mud and sand with micro particle sizes, discharging the separated mud and sand through a sand-settling nozzle for the screening step, allowing the separated sewage to enter the underground drainage pipe network through an overflow pipe of the cyclone desander; 5) setting a reclaiming pool, pumping reclaimed water to a flushing distributor by a second submersible sewage pump, and conveying the reclaimed water to each screening device and each conveying device by the flushing distributor according to working conditions; slag with a water content of below 40%, and clear water which is allowed to directly enter the underground drainage pipe network for circulation can be obtained through above steps. The invention can perform rapid dehydration treatment of sludge in a sewer well; the treated water is allowed to directly enter the drainage pipe network for circulation, while the slag can be transported by common vehicles. The purposes of high efficiency, environmental protection, and safe dredging are achieved.

Description

Urban drainage pipe network method for sludge treatment and equipment
Technical field
The present invention relates to field of sludge treatment, particularly a kind of urban drainage pipe network method for sludge treatment and equipment.
Background technology
Along with Urbanization in China is accelerated, the urban population rapid growth, sludge discharge constantly increases per capita, makes urban drainage pipe network mud freight volume increase severely.Because the city constantly enlarges, refuse landfill causes the mud cost of transportation to increase away from the city, and the landfill yard floor space increases; And the urban drainage pipe network moisture percentage in sewage sludge is high, and water clock in transit and at the mud percolate of landfill yard forms secondary pollution to environment.How to reduce urban drainage pipe network outward transport moisture percentage in sewage sludge, namely mud is carried out minimizing, the reduce mud cost of transportation because urban drainage pipe network mud composition is very complicated, there is no ripe solution at present.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of urban drainage pipe network method for sludge treatment and equipment, can realize the effectively dehydration of mud ground, mud is carried out minimizing, the reduce mud cost of transportation, alleviate mud to the secondary pollution of environment, the resource of convenient follow-up mud, and satisfy the requirement that lower well allows divided by maximum granularity fully.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of urban drainage pipe network method for sludge treatment comprises the following steps:
1) step of multi-stage screening:
2) slag charge that separates is delivered to the step of refuse hopper through conveying equipment;
3) sewage that separates is delivered to the step in contamination pond;
4) the first submersible sewage pump outlet is set in the contamination pond and is connected with hydrocyclone, for separating of the nominal particle size silt particle, the silt particle of separation is expelled to step from sand settling mouth and sieves, and the sewage of separation enters the subdrainage pipe network from the overflow pipe of hydrocyclone;
5) arrange the regeneration pond with the second submersible sewage pump suction recycled water to rinsing distributor, then deliver to each screening plant and each conveying equipment by rinsing distributor according to operating mode;
Obtain the slag charge of moisture content below 40% by above step, and can directly enter the clear water of subdrainage pipe network circulation.
In described step 1), mud is delivered to pre-sifter through the chute that connects material, and the slag charge more than 50mm separates with particle diameter, and is delivered to refuse hopper by belt conveyor;
The lower slag charge of pre-sifter sieve is delivered to scalping separation of the slag charge more than 3mm with particle diameter of vibratory sieve by the first conveying worm, and is delivered to refuse hopper by the second conveying worm;
The dusting cover of delivering to vibratory sieve through the next silt of hydrocyclone separates thin slag charge, and is delivered to refuse hopper by the triple helical conveyer.
Described the first submersible sewage pump outlet also is provided with the recoil branch road for disturbance contamination pond precipitation slag charge.
Be provided with in the contamination pond for controlling liquid level and keep constant liquid level sensor.
Recycled water in the regeneration pond is by overflow pipe place's acquisition of hydrocyclone.
A kind of municipal drainage pipe network sludge treatment device, the chute that connects material are located at above pre-sifter, are connected with refuse hopper by belt conveyor on the sieve of pre-sifter;
Be connected with the scalping of vibratory sieve by the first conveying worm under the sieve of pre-sifter;
Vibratory sieve is positioned at the top in contamination pond, is connected with refuse hopper by the second conveying worm on the sieve of the scalping of vibratory sieve;
Be provided with the first submersible sewage pump in the contamination pond, the outlet of the first submersible sewage pump is connected with the hydrocyclone of the dusting cover top that is arranged on vibratory sieve, passes through the triple helical conveyer on the sieve of the dusting cover of vibratory sieve and is connected with refuse hopper.
Described contamination also is provided with liquid level sensor in the pond.
Also be provided with the pond of regenerating, be provided with the second submersible sewage pump in it, the outlet of the second submersible sewage pump with rinse distributor and be connected, rinse distributor respectively with the sieve of the chute that connects material, pre-sifter on, in advance under the sieve of sifter, the first conveying worm discharging opening is connected the cleaning hose of installing under sieve and is connected with vibratory sieve.
The overflow pipe of described hydrocyclone is provided with the pipeline that is communicated with the pond of regenerating.
The outlet of described the first submersible sewage pump also is provided with the recoil branch road, and the water side of recoil branch road is positioned at below the liquid level in contamination pond.
A kind of urban drainage pipe network method for sludge treatment provided by the invention and equipment, by adopting above-mentioned flow process and equipment, can carry out to the mud that lower well is drawn out clearly fast dewatering processes, treating capacity is large, water after processing can directly enter the circulation of subdrainage pipe network, and slag charge can transport with common vehicle.Thereby realize the effectively dehydration of mud ground, mud is carried out minimizing, the reduce mud cost of transportation, alleviate mud to the secondary pollution of environment, the resource of convenient follow-up mud, the water after processing satisfy lower well fully and allow the requirement of divided by maximum granularity, and do not add other chemical raw materials in processing procedure, avoid conflicting mutually with follow-up treatment process, be conducive to environmental protection.Equipment executing agency adopts PLC automatically to control, and is convenient to realize unmanned.The present invention can effectively reduce the outer freight volume of daily refuse hopper, and will change the directly traditional mode of outward transport of present urban drainage pipe network mud, with reach efficiently, the purpose of environmental protection, safe desilting.
The hydrocyclone that arranges can further be removed the silt particle of the nominal particle size in mud, thereby be conducive to reduce the silt content in recycled water, reduce follow-up handling procedure, the recoil branch road that arranges, in order to disturbance contamination pond precipitation slag charge, make that in sludge-tank, reason is long-term uses and cause alluvial to be hardened.
The regeneration pond that arranges and flushing distributor can be opened corresponding cleaning hose by controlling magnetic valve according to operating mode, thereby rinse the mud of delay, and the mud that rinsed through recycled water has better screen-penetrating performance.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is overall structure schematic diagram of the present invention.
The specific embodiment
In Fig. 1, a kind of urban drainage pipe network method for sludge treatment comprises the following steps:
1) step of multi-stage screening:
2) slag charge that separates is delivered to the step of refuse hopper 12 through conveying equipment;
3) sewage that separates is delivered to the step in contamination pond 7;
4) 7 the first submersible sewage pump 6 is set in the contamination pond, the delivery port of the first submersible sewage pump 6 is connected with the import of hydrocyclone 4, for separating of the nominal particle size silt particle, the dusting cover that the silt particle that separates is expelled to the vibratory sieve 5 step 1 from the sand settling mouth of hydrocyclone 4 screening of dewatering, the sewage of separation enters the subdrainage pipe network from the overflow pipe of hydrocyclone 4;
5) arrange regeneration pond 9 with the second submersible sewage pump 14 suction recycled waters to rinsing distributor 15, then deliver to each screening plant and each conveying equipment by rinsing distributor 15 according to operating mode;
Obtain the slag charge of moisture content below 40% by above step, and can directly enter the clear water of subdrainage pipe network circulation.
In described step 1), mud is delivered to pre-sifter 2 through the chute 1 that connects material, and the slag charge more than 50mm separates with particle diameter, and is delivered to refuse hopper 12 by belt conveyor 8;
The pre-sifter 2 lower slag charges of sieve are delivered to scalping separation of the slag charge more than 3mm with particle diameter of vibratory sieve 5 by the first conveying worm 3, and are delivered to refuse hopper 12 by the second conveying worm 10; Vibratory sieve 5 compass screen surface left-right symmetry are divided into scalping and dusting cover, have dividing plate to separate between the thickness sieve.
Deliver to the dusting cover dehydration of vibratory sieve 5 through the silt of hydrocyclone 4 thin slag charge is separated, dry thin slag charge is delivered to refuse hopper 12 by triple helical conveyer 11.
Described the first submersible sewage pump 6 outlet also is provided with the recoil branch road 13 for disturbance contamination pond 7 precipitation slag charges.
7 are provided with for controlling liquid level and keep constant liquid level sensor in the contamination pond.
Recycled water in regeneration pond 9 can arrange the step of interpolation flocculant or further precipitation by overflow pipe place's acquisition of hydrocyclone 4 according to the situation of sewage.
A kind of municipal drainage pipe network sludge treatment device, the chute 1 that connects material are located at pre-sifter 2 tops, are connected with refuse hopper 12 by belt conveyor 8 on the sieve of pre-sifter 2;
Be connected with the scalping of vibratory sieve 5 by the first conveying worm 3 under the sieve of pre-sifter 2;
Vibratory sieve 5 is positioned at the top in contamination pond 7, is connected with refuse hopper 12 by the second conveying worm 10 on the sieve of the scalping of vibratory sieve 5; Slag charge under sieve enters contamination pond 7.
The outlet that is provided with the first submersible sewage pump 6, the first submersible sewage pumps 6 in contamination pond 7 is connected with the hydrocyclone 4 of the dusting cover top that is arranged on vibratory sieve 5, passes through triple helical conveyer 11 on the sieve of the dusting cover of vibratory sieve 5 and is connected with refuse hopper 12.
Also be provided with liquid level sensor in described contamination pond 7, thereby make the liquid levels in contamination pond 7 keep substantially constant.
Also be provided with the pond 9 of regenerating, be provided with the second submersible sewage pump 14 in it, the outlet of the second submersible sewage pump 14 with rinse distributor 15 and be connected, rinse distributor 15 respectively with the sieve of the chute 1 that connects material, pre-sifter 2 on, in advance under the sieve of sifter 2, the cleaning hose installed under conveying worm 3 discharging openings and sieve that vibratory sieve is connected is connected.
The overflow pipe of described hydrocyclone 4 is provided with the pipeline that is communicated with the pond 9 of regenerating.
The outlet of described the first submersible sewage pump 6 also is provided with recoil branch road 13, and the water side of recoil branch road 13 is positioned at below the liquid level in contamination pond 7, makes that in contamination pond 7, reason is long-term uses and cause alluvial to be hardened.
In the present invention, pre-sifter 2, vibratory sieve 5 and the first conveying worm 3, the second conveying worm 10 and triple helical conveyer 11, all adopt VFC, can select suitable operating frequency according to working condition requirement.The executing agency of equipment all adopts PLC automatically to control, to realize unattended operation.

Claims (9)

1. urban drainage pipe network method for sludge treatment is characterized in that comprising the following steps:
1) step of multi-stage screening:
2) slag charge that separates is delivered to the step of refuse hopper (12) through conveying equipment;
3) sewage that separates is delivered to the step in contamination pond (7);
4) the first submersible sewage pump (6) outlet is set is connected with hydrocyclone (4) in contamination pond (7), for separating of the nominal particle size silt particle, the silt particle that separates is expelled to the step 1) screening from sand settling mouth, and the sewage of separation enters the subdrainage pipe network from the overflow pipe of hydrocyclone (4);
5) regeneration pond (9) is set and aspirates recycled water to rinsing distributor (15) with the second submersible sewage pump (14), deliver to each screening plant and each conveying equipment by rinsing distributor (15) according to operating mode again, the recycled water in regeneration pond (9) is by overflow pipe place's acquisition of hydrocyclone (4);
Obtain the slag charge of moisture content below 40% by above step, and can directly enter the clear water of subdrainage pipe network circulation.
2. a kind of urban drainage pipe network method for sludge treatment according to claim 1, it is characterized in that: in described step 1), mud is delivered to pre-sifter (2) through the chute that connects material (1), and the slag charge more than 50mm separates with particle diameter, and is delivered to refuse hopper (12) by belt conveyor (8);
The lower slag charge of pre-sifter (2) sieve is delivered to scalping separation of the slag charge more than 3mm with particle diameter of vibratory sieve (5) by the first conveying worm (3), and is delivered to refuse hopper (12) by the second conveying worm (10);
The dusting cover of delivering to vibratory sieve (5) through the next silt of hydrocyclone (4) separates thin slag charge, and is delivered to refuse hopper (12) by triple helical conveyer (11).
3. a kind of urban drainage pipe network method for sludge treatment according to claim 1 is characterized in that: described the first submersible sewage pump (6) outlet also is provided with the recoil branch road (13) for disturbance contamination pond (7) precipitation slag charge.
4. a kind of urban drainage pipe network method for sludge treatment according to claim 1, is characterized in that: be provided with in contamination pond (7) for controlling the constant liquid level sensor of liquid level maintenance.
5. municipal drainage pipe network sludge treatment device is characterized in that: the chute that connects material (1) is located at pre-sifter (2) top, is connected with refuse hopper (12) by belt conveyor (8) on the sieve of pre-sifter (2);
Be connected with the scalping of vibratory sieve (5) by the first conveying worm (3) under the sieve of pre-sifter (2);
Vibratory sieve (5) is positioned at the top in contamination pond (7), is connected with refuse hopper (12) by the second conveying worm (10) on the sieve of the scalping of vibratory sieve (5);
Be provided with the first submersible sewage pump (6) in contamination pond (7), the outlet of the first submersible sewage pump (6) is connected with the hydrocyclone (4) of the dusting cover top that is arranged on vibratory sieve (5), passes through triple helical conveyer (11) on the sieve of the dusting cover of vibratory sieve (5) and is connected with refuse hopper (12).
6. a kind of municipal drainage pipe network sludge treatment device according to claim 5, is characterized in that: also be provided with liquid level sensor in described contamination pond (7).
7. a kind of municipal drainage pipe network sludge treatment device according to claim 5, it is characterized in that: also be provided with the pond (9) of regenerating, be provided with the second submersible sewage pump (14) in it, the outlet of the second submersible sewage pump (14) with rinse distributor (15) and be connected, rinse distributor (15) respectively with the sieve of the chute that connects material (1), pre-sifter (2) on, in advance under the sieve of sifter (2), the first conveying worm (3) discharging opening is connected 5 with vibratory sieve) sieve under the cleaning hose installed be connected.
8. a kind of municipal drainage pipe network sludge treatment device according to claim 7, it is characterized in that: the overflow pipe of described hydrocyclone (4) is provided with the pipeline that is communicated with the pond of regenerating (9).
9. a kind of municipal drainage pipe network sludge treatment device according to claim 5 is characterized in that: the outlet of described the first submersible sewage pump (6) also is provided with recoil branch road (13), and the water side of recoil branch road (13) is positioned at below the liquid level in contamination pond (7).
CN 201110132167 2011-05-22 2011-05-22 Sludge treatment method and device for urban drainage pipe network Active CN102225834B (en)

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Application Number Priority Date Filing Date Title
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Families Citing this family (10)

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CN102430282A (en) * 2011-11-21 2012-05-02 于文 Novel solid-liquid separator
CN102765865B (en) * 2012-07-19 2014-03-05 黑旋风工程机械开发有限公司 Pull-type sludge treatment equipment and method
CN102814316B (en) * 2012-08-29 2015-01-21 北京百氏源环保技术有限公司 Method for pipe network sludge reduction treatment
CN103015523B (en) * 2012-11-30 2014-08-27 三川德青科技有限公司 Treatment vehicle and treating method for sucking sludge in city pipe network
CN104724893A (en) * 2015-03-06 2015-06-24 三川德青科技有限公司 Dredging and classified dewatering treatment method and system for sludge in urban river box culvert
CN105000783B (en) * 2015-07-31 2017-05-10 三川德青科技有限公司 Pipe duct sludge reduction and innocent treatment technology and device
CN106884451A (en) * 2017-01-17 2017-06-23 王兵 Ecological dredging and synchronous sludge dewatering integrated construction technique
CN108409073A (en) * 2017-02-10 2018-08-17 上海逸清环保工程设备有限公司 Ditch mud processing method
CN110759612A (en) * 2019-10-12 2020-02-07 上海桓禹环境科技有限公司 Resource utilization method for silt in rainwater storage tank
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

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Publication number Priority date Publication date Assignee Title
CN1968902A (en) * 2004-04-28 2007-05-23 株式会社荏原制作所 Method and apparatus for treating organic drainage and sludge
CN101279810A (en) * 2008-05-28 2008-10-08 上海隧道工程股份有限公司 Integrated modularized slurry processing unit
CN202063817U (en) * 2011-05-22 2011-12-07 黑旋风工程机械开发有限公司 Municipal drainage pipe network sludge treatment device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968902A (en) * 2004-04-28 2007-05-23 株式会社荏原制作所 Method and apparatus for treating organic drainage and sludge
CN101279810A (en) * 2008-05-28 2008-10-08 上海隧道工程股份有限公司 Integrated modularized slurry processing unit
CN202063817U (en) * 2011-05-22 2011-12-07 黑旋风工程机械开发有限公司 Municipal drainage pipe network sludge treatment device

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Owner name: SAFECLEEN TECHNOLOGIES CO., LTD.

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Patentee before: Black Whirlwind Engineering Machinery Development Co., Ltd.

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