CN106630532A - Inside-maintenance-free sludge storage pond device with sludge concentrating function and method - Google Patents

Inside-maintenance-free sludge storage pond device with sludge concentrating function and method Download PDF

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Publication number
CN106630532A
CN106630532A CN201611019510.9A CN201611019510A CN106630532A CN 106630532 A CN106630532 A CN 106630532A CN 201611019510 A CN201611019510 A CN 201611019510A CN 106630532 A CN106630532 A CN 106630532A
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China
Prior art keywords
sludge
mud
supernatant
valve
level
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CN201611019510.9A
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CN106630532B (en
Inventor
李国金
李霞
李伟波
郭淑琴
史志利
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Tianjin Municipal Engineering Design and Research Institute
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Tianjin Municipal Engineering Design and Research Institute
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor

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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)
  • Treatment Of Sludge (AREA)

Abstract

The invention discloses an inside-maintenance-free sludge storage pond device with a sludge concentrating function and a method. A sludge storage pond is connected with a remanent sludge feeding pipe, a primary settling sludge feeding pipe, an overflow pipe, a high-liquid-level supernate discharge pipe, a middle-liquid-level supernate discharge pipe, a low-liquid-level supernate discharge pipe and a sludge discharge pipe; a first sludge inlet valve and a second sludge inlet valve are respectively arranged on the remanent sludge feeding pipe and the primary settling sludge feeding pipe; a sludge discharge valve is arranged on the sludge discharge pipe; a first supernate discharge valve, a second supernate discharge valve and a third supernate discharge valve are respectively arranged on the high-liquid-level supernate discharge pipe, the middle-liquid-level supernate discharge pipe and the low-liquid-level supernate discharge pipe; and the sludge storage pond is provided with a stirrer, an ultrasonic level gauge and an ultrasonic sludge level meter. The method comprises the following steps: feeding sludge; stirring; carrying out static settling; beginning static settling; and discharging the sludge. The inside-maintenance-free sludge storage pond device is short in construction period and high in assembling speed; a function of storing sludge is fulfilled; solid content of the sludge can be increased remarkably; and pressure of a followed-up concentrating and dehydrating section is relieved.

Description

With the sludge reservoir device and method that sludge condensation function is exempted to be safeguarded in pond
Technical field
The present invention relates to a kind of sludge reservoir device and method, is to be related to one kind to have sludge condensation work(in particular The sludge reservoir device and method safeguarded in pond can be exempted from.
Background technology
Sludge of sewage treatment plant disposing technique general at present has three technology paths substantially:
First, remaining and primary sludge enters mix after sludge reservoir respectively, laggard sludge concentration and dewatering all-in-one, outside mud cake Fortune further carries out sludge treatment.
2nd, excess sludge enters sludge gravity concentration tank and carries out gravity concentration, and sludge storage is entered after mixing with primary sludge afterwards Pond, reenters sludge dewatering equipment, and sludge treatment is transported outward or further carried out to mud cake.
3rd, excess sludge is entered and enter after mud storage pool sludge concentrator, and sludge reservoir is entered after mixing with primary sludge afterwards, then Enter sludge dewatering equipment, sludge treatment is transported outward or further carried out to mud cake.
No matter above-mentioned which kind of technology path, is required for being adjusted by sludge reservoir, to match spoil disposal and thickening Between discharge relation.But current sludge reservoir function adjusts flow for simple, without concentrating function, and generally concrete shows Structure is poured, electric autocontrol need to be separately supporting, and major defect is long construction period, it is each special during design and construction without sludge reduction functions Industry coordinates difficult.
In addition, for sewage treatment plant's upgrade expanding, due to the present situation of sludge reservoir, it is difficult to meet upgrading and expand The needs of appearance.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided there is one kind sludge condensation function to exempt from pond The sludge reservoir device and method of maintenance, can press certain specification supply in full sets, with construction period according to sewage treatment plant's scale It is short, assembling is fast, can meet sludge storage function can significantly improve sludge solid content again, reduction subsequent concentration dewatering period pressure Power.
The purpose of the present invention can be achieved through the following technical solutions.
The sludge reservoir device for exempting from maintenance in pond with sludge condensation function of the present invention, including sludge reservoir, each institute State sludge reservoir and be respectively connected with excess sludge enters mud pipe road, primary sludge enters mud pipe road, overflow pipe, the discharge of high level supernatant Pipeline, middle liquid level supernatant discharge tube, low liquid level supernatant discharge tube and discharge pipeline, the excess sludge enters mud pipe road and Primary sludge enters mud pipe road is respectively arranged with a Mud-intake valve and No. two Mud-intake valves, and the discharge pipeline is provided with mud valve, described High level supernatant discharge tube, middle liquid level supernatant discharge tube and low liquid level supernatant discharge tube are respectively arranged with No. one Supernatant drain valve, No. two supernatant drain valves and No. three supernatant drain valves;Each described sludge reservoir is provided with stirring Device, ultrasonic level gage and ultrasonic sludge level meters.
The sludge reservoir adopts batch-type sludge reservoir, by metal material or glass-reinforced plastic material processing and fabricating, scene It is assembled.
The sludge reservoir top is provided with support, the agitator, ultrasonic level gage and ultrasonic sludge level meters It is fixed by support.
Each described sludge reservoir is provided with cat ladder.
The sludge reservoir is configured with electrical control cubicles.
The electrical control cubicles adopt stainless steel, are installed on sludge reservoir side wall, or are installed on dirt by stainless steel stent Mud reservoir top.
A number Mud-intake valve, No. two Mud-intake valves and mud valve adopt electric knives gate valve, the supernatant discharge Valve, No. two supernatant drain valves and No. three supernatant drain valves adopt electric butterfly valve.
The purpose of the present invention can also be achieved through the following technical solutions.
Based on the method for sludge treatment of the above-mentioned sludge reservoir device for exempting to be safeguarded in pond with sludge condensation function, each institute State sludge reservoir and adopt sequencing batch operation mode, including following operating procedure:
(1) mud is entered:Close supernatant drain valve, No. two supernatant drain valves, No. three supernatant drain valves, a spoil disposals Valve, opens a Mud-intake valve and No. two Mud-intake valves, starts into mud;Ultrasonic level gage real-time detection sludge reservoir liquid level, when reaching To a number Mud-intake valve of closing and No. two Mud-intake valves, primary sludge and residual sludge pump termination of pumping during preset value;
(2) stir:Electrical control cubicles start agitator, according to Preset Time timing operation;
(3) it is quiet heavy:Electrical control cubicles control stops agitator, and it is quiet heavy to start;
(4) supernatant is arranged:Ultrasonic sludge level meters real-time detection sludge interface, when the liquid level is decreased below high level During supernatant discharge tube, a supernatant drain valve is opened;When the liquid level is decreased below middle liquid level supernatant discharge tube When, open No. two supernatant drain valves;When the liquid level is decreased below low liquid level supernatant discharge tube, No. three supernatants are opened Liquid drain valve;
(5) spoil disposal:Electrical control cubicles carry out in real time logic comparison, when supernatant and sludge interface liquid level difference are less than preset value, Open mud valve;Electrical control cubicles send a signal to dehydration machine room and enter dredge pump, point out turn on pump to enter mud.
Compared with prior art, the beneficial effect that technical scheme is brought is:
(1) in the present invention, the existing regulatory function of sludge reservoir has concentrating function concurrently again, has merged sludge and has staticly settled technique To improve the sludge solid content into thickening technique;
(2) present invention using batch-type design can meet continuous condition of work, be not required to interval carry out, collect into mud, spoil disposal, on Clear liquid discharging, sludge agitation function are spelled in one, and complete configuration electric cabinet, process equipment, pond body and electric control gear, integration Installing is put, by the integrated apparatus using this technique at the scene can quick solve problem, and the sludge for passing through this process unit Decrement, mitigates the load of subsequent concentration dewatering process, reduces operating cost;
(3) present invention can press certain specification supply in full sets according to sewage treatment plant's scale, with short construction period, assembling Hurry up, sludge storage function can be met can significantly improve sludge solid content again, reduce subsequent concentration dewatering period pressure;
(4) present invention increases concentrating function by present situation sludge reservoir from simple Flow-rate adjustment, and is designed to pin-connected panel one Body chemical industry process and equipment, is that newly-built, the upgrade expanding reconstruction of Sewage Plant brings great convenience;
(5) in the present invention, no-rotary part in sludge reservoir, Maintenance free can reduce the work of repair and maintenance in day after-bay The probability of the toxic and harmful poisoning that maintainer is likely encountered when measuring and reduce maintenance in pond.
Description of the drawings
Fig. 1 is the floor plan of the embodiment of the present invention;
Fig. 2 is the left view of sludge reservoir in the embodiment of the present invention;
Fig. 3 is the top view of sludge reservoir in the embodiment of the present invention;
Fig. 4 is the front view of sludge reservoir in the embodiment of the present invention;
Fig. 5 is the right view of sludge reservoir in the embodiment of the present invention;
Fig. 6 is the scheme of installation of agitator in the embodiment of the present invention;
Fig. 7 is the scheme of installation of electric cabinet in the embodiment of the present invention.
Reference:1 sludge reservoir;2 excess sludge enters mud pipe roads;3 primary sludge enters mud pipe roads;4 overflow pipes;5 is high Liquid level supernatant discharge tube;Liquid level supernatant discharge tube in 6;7 low liquid level supernatant discharge tubes;8 discharge pipelines;9 stirrings Device;10 ultrasonic level gages;11 ultrasonic sludge level meters;12 electrical control cubicles;13 cat ladders;14 supports;No. 15 Mud-intake valves;16 2 Number Mud-intake valve;A No. 17 supernatant drain valves;18 No. two supernatant drain valves;19 No. three supernatant drain valves;20 mud valves;21 Concrete foundation.
Specific embodiment
With reference to the accompanying drawings and examples the invention will be further described.
The sludge reservoir device for exempting from maintenance in pond with sludge condensation function of the present invention, as shown in Figures 1 to 7, this reality Apply sludge reservoir 1 in example and arrange two, the sludge reservoir 1 adopts batch-type sludge reservoir, by metal material or fiberglass Materials processing makes, and only needs site operation concrete foundation 21, then each sludge storage of assembled connection in concrete foundation 21 Pond 1.Each described sludge reservoir 1 is respectively connected with excess sludge enters mud pipe road 2, primary sludge enters mud pipe road 3, overflow pipe 4, height Liquid level supernatant discharge tube 5, middle liquid level supernatant discharge tube 6, low liquid level supernatant discharge tube 7 and discharge pipeline 8.It is described Excess sludge enters mud pipe road 2 is all connected to excess sludge pump house, and a Mud-intake valve is respectively provided with the excess sludge enters mud pipe road 2 15;The primary sludge enters mud pipe road 3 is all connected to primary sludge pump house, and on the primary sludge enters mud pipe road 3 two are respectively provided with Number Mud-intake valve 16.The overflow pipe 4, high level supernatant discharge tube 5, middle liquid level supernatant discharge tube 6 and low liquid level Supernatant discharge tube 7 is all connected to plant area's sewage conduct, and on the high level supernatant discharge tube 5 supernatant is respectively provided with Liquid drain valve 17, on the middle liquid level supernatant discharge tube 6 No. two supernatant drain valves 18, the low liquid level supernatant are respectively provided with No. three supernatant drain valves 19 are respectively provided with liquid discharge tube 7.Mud valve 20, the discharge pipeline 8 are respectively provided with the discharge pipeline 8 It is all connected to thickening machine room.15, No. two Mud-intake valves 16 of a number Mud-intake valve and mud valve 20 adopt electric knives gate valve, 17, No. two supernatant drain valves 18 of a number supernatant drain valve and No. three supernatant drain valves 19 adopt electric butterfly valve.
Each described sludge reservoir 1 is provided with agitator 9, ultrasonic level gage 10 and ultrasonic sludge level meters 11, The ultrasonic level gage 10 and ultrasonic sludge level meters 11 are respectively used to detect supernatant liquid level and sludge interface liquid level, pass Sensor mounting means is support installation.Each described sludge reservoir is provided with cat ladder 13, and each top of the sludge reservoir 1 sets Support 14 is equipped with, the support 14 is processed into using metal material or glass-reinforced plastic material, the agitator 9, supersonic liquid level Meter 10 and ultrasonic sludge level meters 11 are fixed by support 14.The sludge reservoir 1 configures a set of electrical control cubicles 12, interior Establishing electricity and control components and parts, are responsible for the collection of all instrument signals, the distribution of process equipment and control in sludge reservoir 1, profit Whole-process automatic control is realized with programmable logic controller (PLC) (PLC).To adapt to outdoor environment, the electrical control cubicles 12 should adopt stainless Steel matter, degree of protection is not less than IP65, and the electrical control cubicles 12 are bright loaded on the side wall of sludge reservoir 1, or by stainless steel stent It is installed on the top of sludge reservoir 1.The type of electrical control cubicles 12, ultrasonic level gage 10 and ultrasonic sludge level meters 11 in the present embodiment Number and quantity be shown in Table 1:
Table 1
Two sludge reservoirs 1 adopt sequencing batch operation mode in the present embodiment, concrete such as table 2:
Table 2
SECO can also be programmed modification to electrical control cubicles according to actual conditions.It is with single sludge reservoir 1 below Example, describes processing procedure in detail.
Based on the method for sludge treatment of the above-mentioned sludge reservoir device for exempting to be safeguarded in pond with sludge condensation function, each institute Sludge reservoir 1 is stated using sequencing batch operation mode, it is past including 5 links such as mud, stirring, quiet heavy, row's supernatant, spoil disposal are entered Multiple circulation.Specific operation process is:
(1) mud is entered:Number supernatant drain valve 19 of supernatant drain valve 18, three of supernatant drain valve 17, two of closing, Mud valve 20, opens a Mud-intake valve 15 and No. two Mud-intake valves 16, starts into mud;The real-time detection sludge of ultrasonic level gage 10 is store The liquid level of pond 1, a Mud-intake valve 15 and No. two Mud-intake valves 16 are closed when preset value is reached, and primary sludge and residual sludge pump are stopped Pump;
(2) stir:Electrical control cubicles 12 (PLC) control starts agitator 9, according to Preset Time timing operation;
(3) it is quiet heavy:Electrical control cubicles 12 (PLC) control stops agitator 9, and it is quiet heavy to start;
(4) supernatant is arranged:The real-time detection sludge interface of ultrasonic sludge level meters 11, when the liquid level is decreased below high liquid During the supernatant discharge tube 5 of position, a supernatant drain valve 17 is opened;When the liquid level is decreased below middle liquid level supernatant discharge During pipeline 6, No. two supernatant drain valves 18 are opened;When the liquid level is decreased below low liquid level supernatant discharge tube 7, open No. three supernatant drain valves 19;
(5) spoil disposal:Electrical control cubicles 12 (PLC) carry out in real time logic comparison, when supernatant and sludge interface liquid level difference are less than pre- If during value, opening mud valve 20;Electrical control cubicles 12 (PLC) send a signal to thickening machine room and enter dredge pump, point out to allow turn on pump to enter Mud.
Although being described to the function and the course of work of the present invention above in conjunction with accompanying drawing, the invention is not limited in Above-mentioned concrete function and the course of work, above-mentioned specific embodiment is only schematic, rather than restricted, ability The those of ordinary skill in domain the present invention enlightenment under, without departing from present inventive concept and scope of the claimed protection situation Under, many forms can also be made, these are belonged within the protection of the present invention.

Claims (8)

1. there is sludge condensation function to exempt from the sludge reservoir device safeguarded in pond, including sludge reservoir (1), it is characterised in that every The individual sludge reservoir (1) be respectively connected with excess sludge enters mud pipe road (2), primary sludge enters mud pipe road (3), overflow pipe (4), High level supernatant discharge tube (5), middle liquid level supernatant discharge tube (6), low liquid level supernatant discharge tube (7) and spoil disposal Pipe (8), the excess sludge enters mud pipe road (2) and primary sludge enters mud pipe road (3) be respectively arranged with a Mud-intake valve (15) and No. two Mud-intake valves (16), the discharge pipeline (8) is provided with mud valve (20), the high level supernatant discharge tube (5), middle liquid Position supernatant discharge tube (6) and low liquid level supernatant discharge tube (7) be respectively arranged with a supernatant drain valve (17), two Number supernatant drain valve (18) and No. three supernatant drain valves (19);Each described sludge reservoir (1) is provided with agitator (9), ultrasonic level gage (10) and ultrasonic sludge level meters (11).
2. it is according to claim 1 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that The sludge reservoir (1) using batch-type sludge reservoir, by metal material or glass-reinforced plastic material processing and fabricating, on-site consolidation.
3. it is according to claim 1 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that Sludge reservoir (1) top is provided with support (14), the agitator (9), ultrasonic level gage (10) and ultrasonic sludge Level meters (11) are fixed by support (14).
4. it is according to claim 1 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that Each described sludge reservoir (1) is provided with cat ladder (13).
5. it is according to claim 1 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that The sludge reservoir (1) is configured with electrical control cubicles (12).
6. it is according to claim 5 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that The electrical control cubicles (12) adopt stainless steel, are installed on sludge reservoir (1) side wall, or are installed on sludge by stainless steel stent Reservoir (1) top.
7. it is according to claim 1 with sludge condensation function exempt from pond safeguard sludge reservoir device, it is characterised in that A number Mud-intake valve (15), No. two Mud-intake valves (16) and mud valve (20) adopt electric knives gate valve, a supernatant Drain valve (17), No. two supernatant drain valves (18) and No. three supernatant drain valves (19) adopt electric butterfly valve.
8. based on the dirt for exempting from the sludge reservoir device of maintenance in pond with sludge condensation function described in the claims 1 to 7 Mud processing method, it is characterised in that each described sludge reservoir (1) adopts sequencing batch operation mode, including following operation step Suddenly:
(1) mud is entered:Close supernatant drain valve (17), No. two supernatant drain valves (18), a No. three supernatant drain valves (19), mud valve (20), open a Mud-intake valve (15) and No. two Mud-intake valves (16), start into mud;Ultrasonic level gage (10) Real-time detection sludge reservoir (1) liquid level, a Mud-intake valve (15) and No. two Mud-intake valves (16) are closed when preset value is reached, and are just sunk Sludge and residual sludge pump termination of pumping;
(2) stir:Electrical control cubicles (12) start agitator (9), according to Preset Time timing operation;
(3) it is quiet heavy:Electrical control cubicles (12) control stops agitator (9), and it is quiet heavy to start;
(4) supernatant is arranged:Ultrasonic sludge level meters (11) real-time detection sludge interface, when the liquid level is decreased below high level During supernatant discharge tube (5), a supernatant drain valve (17) is opened;When the liquid level is decreased below middle liquid level supernatant row When putting pipeline (6), No. two supernatant drain valves (18) are opened;When the liquid level is decreased below low liquid level supernatant discharge tube (7) when, No. three supernatant drain valves (19) are opened;
(5) spoil disposal:Electrical control cubicles (12) carry out in real time logic comparison, when supernatant and sludge interface liquid level difference are less than preset value, Open mud valve (20);Electrical control cubicles (12) send a signal to thickening machine room and enter dredge pump, point out turn on pump to enter mud.
CN201611019510.9A 2016-11-17 2016-11-17 Tank-maintenance-free sludge treatment method with sludge concentration function Active CN106630532B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109205991A (en) * 2018-09-12 2019-01-15 浦华控股有限公司 A kind of sludge dewatering sedimenting system and method
CN114210104A (en) * 2022-01-28 2022-03-22 北控水务(中国)投资有限公司 Sludge concentration control device and control method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101003412A (en) * 2006-12-31 2007-07-25 湖南华迪电力环保工程技术有限公司 Method and system unit for flue gas desulfurization and wastewater treatment
CN102153263A (en) * 2011-04-27 2011-08-17 安徽南风环境工程技术有限公司 Efficient sludge concentration and dehydration system and dehydration method thereof
CN202329739U (en) * 2011-12-05 2012-07-11 宜兴市建邦环境投资有限责任公司 Device for rapidly determining sludge levels of buildings
CN103833196A (en) * 2014-02-20 2014-06-04 镇江市水业总公司 supermatant discharge system and sludge condensation method
CN205442785U (en) * 2016-03-18 2016-08-10 华新环境工程有限公司 A device for keeping in and biochemical mud of regeneration anaerobism

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101003412A (en) * 2006-12-31 2007-07-25 湖南华迪电力环保工程技术有限公司 Method and system unit for flue gas desulfurization and wastewater treatment
CN102153263A (en) * 2011-04-27 2011-08-17 安徽南风环境工程技术有限公司 Efficient sludge concentration and dehydration system and dehydration method thereof
CN202329739U (en) * 2011-12-05 2012-07-11 宜兴市建邦环境投资有限责任公司 Device for rapidly determining sludge levels of buildings
CN103833196A (en) * 2014-02-20 2014-06-04 镇江市水业总公司 supermatant discharge system and sludge condensation method
CN205442785U (en) * 2016-03-18 2016-08-10 华新环境工程有限公司 A device for keeping in and biochemical mud of regeneration anaerobism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109205991A (en) * 2018-09-12 2019-01-15 浦华控股有限公司 A kind of sludge dewatering sedimenting system and method
CN114210104A (en) * 2022-01-28 2022-03-22 北控水务(中国)投资有限公司 Sludge concentration control device and control method

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Address after: 300051 No. 239, Yingkou Road, Heping District, Tianjin

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Patentee before: TIANJIN MUNICIPAL ENGINEERING DESIGN & Research Institute