CN1201843C - Mud-scraping suction dredge and solid-liquid separating process thereof - Google Patents
Mud-scraping suction dredge and solid-liquid separating process thereof Download PDFInfo
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- CN1201843C CN1201843C CN 03140233 CN03140233A CN1201843C CN 1201843 C CN1201843 C CN 1201843C CN 03140233 CN03140233 CN 03140233 CN 03140233 A CN03140233 A CN 03140233A CN 1201843 C CN1201843 C CN 1201843C
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Abstract
The present invention relates to a novel mud-scraping suction dredge and a solid-liquid separation process thereof. The novel mud-scraping suction dredge is arranged in a second settling pool mainly by using the existing water treatment process. The mud-scraping suction dredge comprises a separate mud-sucking device and a mud-scraping device. Active mud and inert mud can be effectively separated through a mud-discharging pipe within short time. Because of the adoption of the solid-liquid separation process, the mud-scraping suction dredge can greatly increase the total amount of biochemical reactant, so that the mud has superior activity. The mud-scraping suction dredge keeps the SVI value in an aeration pool a reasonable range, obviously improves the settling performance of active mud, strengthens the ability for impacting load and processing ability, and reduces the stay time of mud to largely reduce construction investment.
Description
Technical field
The present invention relates to a kind of novel scraping and sucking machine and solid-liquid separation process thereof.
Background technology
In the existing waste disposal plant, how mud scraper and suction dredger are installed and used separately, increase running cost, and need take bigger space;
In the present urban sewage treatment process, mostly selected suction dredger, mud scraper etc. are mud is all siphoned away or blows off in the radial-flow sedimentation tank, by processing requirement a part are back to the aeration tank again, and another part carries out sludge dewatering.Above-mentioned technology all can not effectively be separated active sludge with inertia mud preferably, does not reach environmental protection requirement, and does not give full play to the effect of active sludge.
Summary of the invention
For addressing the above problem, the invention provides and a kind ofly active sludge and inertia mud can be carried out effectively isolating novel scraping and sucking machine.
Another object of the present invention provides a kind ofly can carry out the solid-liquid in the sewage effectively isolating a kind of solid-liquid separation novel process.
Novel scraping and sucking machine of the present invention includes the settling tank of a cylinder funnel type, the external side in pond is distributed with mud-collecting well of active sludge and inertia mud mud-collecting well, be characterized in: described settling tank is provided with a resting support that rotates around the center support of hollow, this resting support lower end is hung with mud-sucking device and Scraping device respectively, the top that described resting support is positioned at central shaft is provided with guide shell, and the active sludge mud-collecting slot is located at the guide shell inner upper end;
Above-described mud-sucking device comprises that a side stationary distribution of resting support has a plurality of and active sludge sludge pipe to join and extends near the suction mud of settling tank bottom and chews, the active sludge sludge pipe is connected with the active sludge mud-collecting slot, active sludge shore pipe one end is communicated with the active sludge mud-collecting slot, and the other end is connected with mud-collecting well of active sludge;
Scraping device of the present invention comprises that the opposite side of resting support is hung with many hoist cables, the hoist cable end is connected with the cleaning shoe that is arranged at the settling tank bottom, settling tank bottom centre zone is the spill bucket, inertia mud shore pipe one end and bucket join, and the other end is connected with inertia mud mud-collecting well.
Settling tank of the present invention bottom is connected to water inlet pipe, and the outside of settling tank is provided with the water outlet water shoot.
Solid-liquid separation process of the present invention is mainly finished by novel scraping and sucking machine, its concrete steps are: after sewage is entered settling pit and carried out pre-treatment by grid, enter settling pit through sump pump, sewage enters oxidation pond behind preliminary sedimentation, oxidation pond is sent into sewage after treatment in the second pond, be provided with scraping and sucking machine in the second pond, scraping and sucking machine carries out effective separating treatment again to mud, be separated into active sludge and inertia mud, active sludge active sludge shore pipe of mud-sucking device in scraping and sucking machine is delivered to mud-collecting well of active sludge by hydrostaticpressure, is back to oxidation pond through sludge reflux pump and carries out reuse; And the inertia mud shore pipe of inertia mud Scraping device in scraping and sucking machine is transported to inertia mud mud-collecting well by hydrostaticpressure, concentrates outward transport after the dewatering unit dehydration.
Adopt technique scheme, because the mud that avales in the second pond has active sludge and inertia mud, the biomass height of active sludge, strong, the excellent adsorption of survival performance, organic pollutant in the water there is fractionation by adsorption ability preferably, and inertia mud mainly is the less inorganic components of biomass (claiming dead mud), its to organic pollutant absorption and capacity of decomposition a little less than, and there is difference in both settling velocity; Sewage through the guide shell radiant flux in the process of pond week water leg, the inertia sludge settling is fast, be deposited in the central zone of settling tank, and the active sludge settling velocity is slower, is deposited in the outer radiation zone in radial-flow sedimentation tank center 1/3rd; Novel scraping and sucking machine is at both sedimentation speed differences, chew and cleaning shoe by the suction mud that distributes on the resting support, active sludge is entered mud-collecting well of active sludge by the active sludge sludge pipe through the active sludge mud-collecting slot, and cleaning shoe is scraped the bucket that combines in the settling tank bottom with inertia mud, enters inertia mud mud-collecting well through inertia mud shore pipe.
Adopted the solid-liquid separation process flow process that is provided with novel scraping and sucking machine, can improve the total amount of biochemical reactant greatly, make mud that higher activity be arranged, the SVI value in the reasonable scope in the maintenance aeration tank, obviously improve the settling property of active sludge, strengthened the ability and the processing power of anti-shock loading, reduced the residence time of mud, thereby greatly reduce construction investment.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described in further detail:
Fig. 1 is the cross-sectional view of novel scraping and sucking machine of the present invention;
Fig. 2 is the structural representation of overlooking direction of novel scraping and sucking machine of the present invention;
Fig. 3 is a solid-liquid separation process schema of the present invention;
Embodiment:
As Fig. 1, Fig. 2, novel scraping and sucking machine is made up of the settling tank 14 of a cylinder funnel type and the mud-collecting well of active sludge 1 and the inertia mud mud-collecting well 13 that are distributed in settling tank 14 outsides, be fixed with a resting support 15 around the axis rotation on the hollow centre bearing of settling tank 14, resting support 15 1 side stationary distribution have a plurality of and active sludge sludge pipe 4 to join and extend near the suction mud of settling tank 14 bottoms chews 3, the active sludge that is deposited at the bottom of the pond can be chewed 3 and sucks and be delivered in the active sludge mud-collecting slot 9 that is in center support top by active sludge sludge pipe 4 by inhaling mud, is entered in the mud-collecting well of active sludge 1 by the static pressure of active sludge shore pipe 7 by water again; The opposite side of resting support 15 is hung with many hoist cables 10, the end of hoist cable 10 is connected with the cleaning shoe 8 that is arranged at settling tank 14 bottoms, the inertia mud that cleaning shoe 8 constantly will comparatively fast be deposited at the bottom of the pond is concentrated the central zone of scraping to settling tank 14 bottoms, because central area is provided with the bucket 5 of spill, inertia mud is from the static pressure of bucket 5 by water, in inertia mud shore pipe 11 enters inertia mud mud-collecting well 13; Water inlet pipe 2 is connected with the hollow space of settling tank 14 center supports, flows to into settling tank 14 precipitations by guide shell 6 spokes; The edge of settling tank 14 also is provided with water shoot 12.
When novel scraping and sucking machine uses, municipal effluent flows into guide shell 6 by water inlet pipe 2, flow into settling tank 14 by guide shell 6 again, inertia mud and active sludge in the settling tank sewage begins sedimentation regularly simultaneously, at this moment, connect power supply, make resting support 15 actions, resting support 15 drive inhale mud chew 3 and cleaning shoe 8 rotate around the central shaft of settling tank 14, suction mud chews 3 will precipitate slower active sludge suction, deliver to active sludge mud-collecting slot 9 along active sludge sludge pipe 4, enter in the mud-collecting well of active sludge 1 by active sludge shore pipe 7 again, thereby finish the suction mud of active sludge, the spoil disposal process; Meanwhile, under the rotatablely moving of resting support 15, cleaning shoe 8 will precipitate faster that inertia mud scrapes, and progressively the sludge hopper 5 of central zone is concentrated at the bottom of the pond, in inertia mud shore pipe 11 enters inertia mud mud-collecting well 13, thereby finish the process of the dirty scraping mud of inertia, collection mud, spoil disposal; Water shoot 12 effluxes the water outlet of post precipitation.
Shown in Figure 3, the processing step that adopts scraping and sucking machine to carry out the solid-liquid separatory is: sewage is promoted to settling pit by lift pump after the grid maker slagging-off, gravity flow enters anaerobic pond, Aerobic Pond then, gravity flow enters the second pond precipitation after anaerobism, aerobic treatment, its process is to flow into guide shell 6 by water inlet pipe 2, enter settling tank 14 precipitations again, the sedimentation speed of mud in precipitation process is different, constantly isolates active sludge and inertia mud; Be provided with scraping and sucking machine in the second pond, scraping and sucking machine is the center with the center support, make circumferential motion, in moving process, the slower active sludge of sedimentation speed is chewed 3 suctions by inhaling mud, flows into active sludge mud-collecting slots 9 through active sludge sludge pipe 4, passes through active sludge shore pipe 7 again under the hydrostatic pressure of water, active sludge is entered in the mud-collecting well of active sludge 1, under the effect of sludge reflux pump, be back to the Aerobic Pond reuse; Scraped to matrix bucket 5 by cleaning shoe 8 and precipitate faster inertia mud, under the hydrostatic pressure of water, enter inertia mud mud-collecting well 13 by inertia mud shore pipe 11, inertia mud concentrates after the dewatering unit dehydration, and outward transport is handled; Water after second pond is handled effluxes after water shoot 12 enters sterilization pool, disinfects after being collected by pond week water leg.
Claims (5)
1, a kind of novel scraping and sucking machine includes the settling tank (14) of a cylinder funnel type, and the external side in pond is distributed with mud-collecting well of active sludge (1) and inertia mud mud-collecting well (13), it is characterized in that:
A) described settling tank (14) is provided with a resting support (15) that rotates around center support, and there are mud-sucking device and Scraping device in this resting support (15) lower end independent suspension respectively,
Described mud-sucking device comprises that a side stationary distribution of resting support (15) has a plurality of and active sludge sludge pipe (4) to join and extends near the suction mud of settling tank bottom and chews (3), active sludge sludge pipe (4) is connected with active sludge mud-collecting slot (9), active sludge shore pipe (7) one ends are communicated with active sludge mud-collecting slot (9), and the other end is connected with mud-collecting well of active sludge (1);
Described Scraping device comprises that the opposite side of resting support (15) is hung with many hoist cables (10), hoist cable (10) end is connected with the cleaning shoe (8) that is arranged at settling tank (14) bottom, settling tank (14) bottom centre zone is spill bucket (5), inertia mud shore pipe (11) one ends and bucket (5) join, and the other end is connected with inertia mud mud-collecting well (13);
B) described resting support (15) top that is positioned at central shaft is provided with guide shell (6), and active sludge mud-collecting slot (9) is located at guide shell (6) inner upper end.
2, according to the described a kind of novel scraping and sucking machine of claim 1, it is characterized in that: described active sludge shore pipe (7) is positioned on settling tank (14) radius, and inserts and extend to active sludge mud-collecting slot (9) from the bottom of settling tank (14) and join; Water inlet pipe (2) is positioned on settling tank (14) radius, and is connected with guide shell (6).
3, a kind of novel scraping and sucking machine according to claim 2 is characterized in that: guide shell (6) bottom is connected with settling tank (14), flows to water to settling tank (14) from water inlet pipe (2) spoke, and water shoot (12) is positioned at the outermost layer of settling tank (14).
4, a kind of novel scraping and sucking machine according to claim 3 is characterized in that: described suction mud is chewed (3) and is bell mouth shape, can hang 3～20 suction mud on the resting support (15) and chew.
5, a kind of solid-liquid separation process that utilizes the described novel scraping and sucking machine of claim 1 and adopt, it is characterized in that: the active sludge in the sewage effectively separates by novel scraping and sucking machine with inertia mud, and its concrete steps are:
After sewage enters settling pit and carries out pre-treatment by grid, enter anaerobic pond, oxidation pond through sump pump, sewage after oxidation pond is handled enters in the second pond, be provided with scraping and sucking machine in the second pond, scraping and sucking machine carries out effective separating treatment again to mud, be separated into active sludge and inertia mud, active sludge active sludge shore pipe of mud-sucking device in scraping and sucking machine is collected mud-collecting well of active sludge, flow to the oxidation pond reuse by blowback again; Inertia mud inertia mud shore pipe of Scraping device in scraping and sucking machine is collected inertia mud mud-collecting well, concentrates after the dewatering unit dehydration concentrates to efflux again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03140233 CN1201843C (en) | 2003-08-21 | 2003-08-21 | Mud-scraping suction dredge and solid-liquid separating process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03140233 CN1201843C (en) | 2003-08-21 | 2003-08-21 | Mud-scraping suction dredge and solid-liquid separating process thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN1488589A CN1488589A (en) | 2004-04-14 |
| CN1201843C true CN1201843C (en) | 2005-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 03140233 Expired - Fee Related CN1201843C (en) | 2003-08-21 | 2003-08-21 | Mud-scraping suction dredge and solid-liquid separating process thereof |
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| CN (1) | CN1201843C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2761195C1 (en) * | 2021-01-11 | 2021-12-06 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Device for separation of activated sludge into fractions |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101879382B (en) * | 2009-05-06 | 2013-07-24 | 得利满水处理系统(北京)有限公司 | Sewage second-level settling pond |
| CN102397714A (en) * | 2010-09-09 | 2012-04-04 | 上海宝钢化工有限公司 | Central torsional force type mud scrape dredge machine |
| CN102091446B (en) * | 2010-12-22 | 2012-06-06 | 深圳市中邦(集团)建设总承包有限公司 | Central transmission mud-scraping and sucking machine |
| CN102389652B (en) * | 2011-10-31 | 2014-03-05 | 江苏清溢环保设备有限公司 | Periphery transmission sludge scraping and sucking machine for radial-flow secondary sedimentation tank |
| CN103239901B (en) * | 2013-05-16 | 2015-03-18 | 安徽理工大学 | Multifunctional slime water treating pond |
| CN103239904B (en) * | 2013-05-31 | 2015-03-25 | 江苏兆盛环保集团有限公司 | Rotating grid rotary cylinder structure of radial flow mud scraper |
| CN103721446B (en) * | 2013-11-22 | 2015-08-05 | 南通华新环保设备工程有限公司 | There is the center driving concentrated mud scraper of aeration assembly |
| CN106145326A (en) * | 2016-07-20 | 2016-11-23 | 浙江工业大学 | Radial-flow two-region sedimentation tank for continuous-flow aerobic granular sludge |
| CN106345152B (en) * | 2016-10-12 | 2019-02-19 | 北京华夏大禹科技有限公司 | A kind of radial-flow sedimentation tank mud-sucking device |
| CN106422441B (en) * | 2016-12-21 | 2018-07-03 | 宁夏亘峰嘉能能源科技股份有限公司 | Modified rake concentration and settlement system |
| CN107824075B (en) * | 2017-12-06 | 2019-01-11 | 绍兴市柯桥区怡中染整有限公司 | A kind of online aerator of sewage treatment |
| CN109011727A (en) * | 2018-07-20 | 2018-12-18 | 惠州市第五污水处理有限公司 | A kind of sewage treatment peripheral-traction suction mud scraper |
| CN111603838A (en) * | 2019-02-25 | 2020-09-01 | 冀勃睿 | Domestic sewage physical method processing apparatus with deodorant function |
| CN110124365A (en) * | 2019-05-22 | 2019-08-16 | 山东天和纸业有限公司 | A kind of detention tank sludge drainage system easy to maintain |
| CN110902971A (en) * | 2019-12-11 | 2020-03-24 | 烨辉（中国）科技材料有限公司 | Oily wastewater treatment process |
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2003
- 2003-08-21 CN CN 03140233 patent/CN1201843C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2761195C1 (en) * | 2021-01-11 | 2021-12-06 | Федеральное государственное казённое военное образовательное учреждение высшего образования "Военная академия материально-технического обеспечения имени генерала армии А.В. Хрулева" Министерства обороны Российской Федерации | Device for separation of activated sludge into fractions |
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| Publication number | Publication date |
|---|---|
| CN1488589A (en) | 2004-04-14 |
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Granted publication date: 20050518 |