CN106116075A - The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes - Google Patents

The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes Download PDF

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Publication number
CN106116075A
CN106116075A CN201610642134.2A CN201610642134A CN106116075A CN 106116075 A CN106116075 A CN 106116075A CN 201610642134 A CN201610642134 A CN 201610642134A CN 106116075 A CN106116075 A CN 106116075A
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CN
China
Prior art keywords
air
sewage
mud
clear water
dissolving
Prior art date
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Pending
Application number
CN201610642134.2A
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Chinese (zh)
Inventor
孙礼君
佘文娟
范彩凤
张旭
佘新
高雯雯
王婧坤
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Jiangsu Province Metallurgical Design Institute Co Ltd
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Jiangsu Province Metallurgical Design Institute Co Ltd
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Priority to CN201610642134.2A priority Critical patent/CN106116075A/en
Publication of CN106116075A publication Critical patent/CN106116075A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/30Nature of the water, waste water, sewage or sludge to be treated from the textile industry
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses the floatation thickening integration apparatus integrating device that a kind of high-concentration sewage mud decrement processes, including air-flotation system, air dissolving system, medicine system, mud collection device and clear water collection device.Air-flotation system comprises treatment tank and release, process and be provided with the first dividing plate and second partition inside pond, treatment tank is divided into sewage air-flotation region, mud-water separation region and clear water drainage, release is positioned at sewage air-flotation region, release connects with sewage water inlet pipe and air dissolving system, being fully contacted of dirty water and air is realized in release, sewage water inlet pipe is provided with medicine system, the middle part of the first dividing plate is provided with through hole, and dirty water and air enters separated region by through hole after being fully contacted.It is high that the floatation thickening integration apparatus of the present invention runs automaticity, and equipment runs resistance to waterpower and solid loading excursion is big, and weather element impact impact is little, and mud clearance is stable, and equipment takes up an area little, and equipment operation energy consumption is low.

Description

The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes
Technical field
The present invention relates to the floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes, belong to sewage Field of sludge treatment.
Background technology
Mud floatation thickening be a kind of reduce moisture percentage in sewage sludge, reduce sludge volume effective ways, existing sewage gas Floating concentrate run complicated, costly, take up an area little feature, in China, mud gravity concentration method accounts for 71.5%, and mechanical thickening accounts for 21.4%, floatation thickening accounts for 7.1%.But along with improving constantly of land used cost, mud air supporting is concentrated in high concentration organic sludge In process, advantage gradually withdraws deposit out.
Existing whole system equipment is complicated, and in actual motion, because of flow, solid concentration and environmental change, Chang Buneng presses Designed capacity is run, and mud clearance is unstable, and effluent quality is poor.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of high-concentration sewage mud to subtract The floatation thickening integration apparatus integrating device that amount processes, floatation thickening integration apparatus waterpower and solid loading excursion Greatly, weather element impact impact is little, and mud clearance is stable, and equipment operation energy consumption is low.
Technical scheme: for solving above-mentioned technical problem, the air supporting that a kind of high-concentration sewage mud decrement of the present invention processes Concentration integrated integration of equipments device, collects including air-flotation system, air dissolving system, medicine system, mud collection device and clear water Device, described air-flotation system comprises treatment tank and release, is provided with the first dividing plate and second inside described treatment tank Dividing plate, is distributed sewage disposal region, separated region and drainage by treatment tank, and described release is positioned at sewage diposal area Territory, release connects with sewage water inlet pipe and air dissolving system, realizes being fully contacted, at sewage of dirty water and air in release Being provided with medicine system on water inlet pipe, the middle part of described first dividing plate is provided with through hole, and dirty water and air passes through logical after being fully contacted Hole enters separated region;Described mud collection device comprises the slash mud device being positioned at treatment tank top and is positioned at sewage disposal Sludge pipe bottom pond, air supporting Mud up-floating in separated region, scrape in sludge sump by skimming mud device, the dirt in sludge pipe Mud is discharged by blowdown piping;Described clear water collection device comprises clear water collecting pipe, and described clear water collecting pipe is positioned at separated region The latter half, clear water collecting pipe connects with drainage, is provided with towards the one side bottom treatment tank at clear water collecting pipe Several clear water collect hole, are arranged over air supporting outlet at drainage.
As preferably, described air dissolving system comprises dissolving and air compressor machine, and source of the gas is transported in dissolving by air compressor machine, Dissolving is connected with release by the first gate valve.
As preferably, described dissolving is connected with drainage by pipeline, is sequentially provided with the second gate valve, follows on pipeline Ring pump, check-valves and Pressure gauge.
As preferably, described medicine system comprises coagulation dosing device and flocculation chemicals dosing plant, and coagulation dosing device comprises First medicine storing pot, the first medicine storing pot is connected with sewage water inlet pipe by coagulating basin, and flocculation chemicals dosing plant comprises the second medicine storing pot, the Two medicine storing pots are connected with sewage water inlet pipe by flocculation basin, are equipped with agitating device at coagulating basin and flocculation basin.
As preferably, described slash mud device comprises transmission band, scraper plate and slash mud device, and described transmission band is arranged on a pair chain On wheel, sprocket wheel is driven by the driving means being positioned at drainage top, and transmission band is provided with several scraper plates, inclination Install on a moving belt, by scraper plate by air supporting sludge scraping on a moving belt, be poured in sludge sump.
As preferably, described sewage water inlet pipe is provided with effusion meter, clear water collecting pipe is provided with water quality testing meter, when When water quality testing meter detection water quality is the most up to standard, frequency conversion air compressor rotating speed strengthens, and improves air-output pressure, then gas-water ratio strengthens; Circulating pump rotating speed strengthens, and improves capacity of returns, then strengthens reflux ratio;Dosing pump frequency conversion adjusts chemical feeding quantity, and sewage flocculation enhances many, dirty Mud air supporting clearance strengthens.
In separated region, it is provided with lengthening swash plate, lengthens swash plate and have the following characteristics that
1, air flotation slot utilizes shallow pool theory to use and lengthens swash plate, improves precipitate and separate efficiency.
2, the treatment tank water inlet resistance water distribution system such as water distribution employing, even water distribution.
3, air flotation slot arranges lengthening swash plate, optimizes the air flotation slot cross-section of river, creates good hydraulics, reduces waterpower and stops Stay dead angle and whirlpool.
4, lengthen 75 degree of swash plate inclination angle, and be all provided with flush pipe at inclined tube top and bottom and carry out air-water flushing, it is ensured that swash plate Do not block mud.
5, sludge hopper uses cleaning shoe, and motor adjustable speed, it is ensured that floating sludge is quickly removed, do not become silted up collection.
6, cleaning shoe inclination angle is adjustable in 45-75 degree scope, and sets flush pipe, it is ensured that cleaning shoe does not blocks.
7, air flotation slot hydraulic load 2-10m3/m2.h, solid loading 2-8kg/m2.h, hydraulic detention time 5-10min.
8, dissolving uses spraying filler tank, crosses Water l oad 100-150m3/m2.h, hydraulic detention time 2-3min.
9, coagulation dosing device and flocculation chemicals dosing plant use the medicaments such as aluminium salt, iron salt, active silica, PAM, improve Floatation thickening effect, stable effluent quality.
Beneficial effect: compared with prior art, the invention have the advantages that
1, unit air supporting amount is high, and molten gas utilization rate is high, can process 1000-20000mg/L concentration mud, can be applicable to city The high-concentration sewage Treatment of Sludge of the industries such as the activated sludge concentration of city's sanitary sewage, petrochemical industry, weaving, papermaking.
2, equal treatment scale can save occupation of land more than 1/3.
3, the diameter of air supporting microbubble, microbubble group density the most adjustable (by adjusting air compressor machine output pressure and molten gas System steam-water ratio), short grained float can be separated, such as algae etc..
4, by improving the gas-water ratio of air dissolving system, it is possible to separate the precipitated metal thing that proportion is bigger.
5, integration apparatus is easy for installation, simple to operate, it is easy to grasp.
Accompanying drawing explanation
Fig. 1 is the system composition structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, the floatation thickening integration apparatus that a kind of high-concentration sewage mud decrement of the present invention processes is integrated Device, including air-flotation system, air dissolving system, medicine system 1, mud collection device and clear water collection device, described air-flotation system Comprising treatment tank 31 and release 32, described treatment tank 31 is internal is provided with the first dividing plate and second partition, by sewage Processing pond 31 and be distributed sewage disposal region, separated region and drainage, described release 32 is positioned at sewage disposal region, release Device 32 connects with sewage water inlet pipe and air dissolving system, realizes being fully contacted of dirty water and air, enter at sewage in release 32 Being provided with medicine system 1 on water pipe, the middle part of described first dividing plate is provided with through hole, and dirty water and air passes through through hole after being fully contacted Enter separated region, in separated region, be provided with lengthening swash plate 45;Described mud collection device comprises and is positioned at treatment tank 31 The skimming mud device 42 and be positioned at the sludge pipe 33 bottom treatment tank 31 of top, air supporting Mud up-floating in separated region is logical Crossing slash mud device 42 and scrape in sludge sump 44, the mud in sludge pipe 33 is discharged by blowdown piping, sludge pipe 33 row of being provided with Slurry valve 34;Described clear water collection device comprises clear water collecting pipe 52, and described clear water collecting pipe 52 is positioned at the lower half of separated region Point, clear water collecting pipe 52 connects with drainage, and it is sealing shape that clear water collecting pipe 52 is positioned at the end of separated region, receives at clear water Collector 52 is provided with several clear water towards the one side bottom treatment tank 31 and collects hole 53, is arranged over gas at drainage The emersion mouth of a river 51.
In the present invention, described air dissolving system comprises dissolving 23 and air compressor machine 21, is provided with liquid level in described dissolving 23 Meter 22, liquidometer 22 is connected with air compressor machine 21, and source of the gas is transported in dissolving 23 by air compressor machine 21, and dissolving 23 is by first Gate valve is connected with release 32, is provided with Pressure gauge in dissolving 23.Described dissolving 23 is by pipeline with drainage even Connect, pipeline is sequentially provided with the second gate valve, circulating pump 24, check-valves and Pressure gauge.Recirculation water is entered into by circulating pump 24 In dissolving 23, with being fully contacted of water and air, accelerating the dissolving of air, the water of dissolved gas enters in release 32.
In the present invention, described medicine system 1 comprises coagulation dosing device and flocculation chemicals dosing plant, coagulation dosing device bag Containing the first medicine storing pot 11, the first medicine storing pot 11 is connected with sewage water inlet pipe by coagulating basin 13, and flocculation chemicals dosing plant comprises second Medicine storing pot 12, the second medicine storing pot 12 is connected with sewage water inlet pipe by flocculation basin 14, is equipped with at coagulating basin 13 and flocculation basin 14 Agitating device.
In the present invention, described slash mud device 42 comprises transmission band, scraper plate 41 and skims mud device, and described transmission band is arranged on In pair of sprocket, sprocket wheel is driven by the driving means 43 being positioned at drainage top, and transmission band is provided with several scraper plates 41, scraper plate 41 is inclined and mounted on conveyer belt, by scraper plate 41 by air supporting sludge scraping on a moving belt, is poured over sludge sump 44 In.
In the present invention, described sewage water inlet pipe is provided with effusion meter, clear water collecting pipe is provided with water quality testing meter, When water quality testing meter detection water quality is the most up to standard, frequency conversion air compressor rotating speed strengthens, and improves air-output pressure, then gas-water ratio adds Greatly;Circulating pump rotating speed strengthens, and improves capacity of returns, then strengthens reflux ratio;Dosing pump frequency conversion adjusts chemical feeding quantity, and sewage flocculation enhances Many, mud air supporting clearance strengthens.
In use, the sewage of high concentration enters in sewage water inlet pipe the present invention, coagulation dosing device and flocculation dosing Device dosing in sewage water inlet pipe respectively, the high-concentration sewage adding medicine enters in release 32, in release 32 with The air contact of the discharge in dissolving 23 forms air supporting mud, along with current enter into separated region, in separated region by Little in air supporting density, swim in the water surface together with mud, scrape on conveyer belt by scraper plate 41, be poured in sludge sump 44, The clear water collecting pipe 52 being positioned at separated region middle and lower part collects clear water, and clear water collects drainage, according to the principle of linker, Clear water is discharged by air supporting outlet 51, and sub-fraction is deposited in the mud bottom treatment tank 31 by sludge pipe 33 row Go out.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (6)

1. the floatation thickening integration apparatus integrating device that a high-concentration sewage mud decrement processes, it is characterised in that: include Air-flotation system, air dissolving system, medicine system, mud collection device and clear water collection device, described air-flotation system comprises at sewage Reason pond and release, be provided with the first dividing plate and second partition, be distributed at sewage by treatment tank inside described treatment tank Reason region, separated region and drainage, described release is positioned at sewage disposal region, release and sewage water inlet pipe and molten gas System connectivity, is provided with medicine system on sewage water inlet pipe, and the middle part of described first dividing plate is provided with through hole, and dirty water and air fills Tap enters separated region by through hole after touch;Described mud collection device comprises the slash mud device being positioned at treatment tank top With the sludge pipe being positioned at bottom treatment tank, air supporting Mud up-floating in separated region, scrape sludge sump by skimming mud device In, sludge sump is positioned at the top for the treatment of tank, and the mud in sludge pipe is discharged by blowdown piping;Described clear water collection device Comprising clear water collecting pipe, described clear water collecting pipe is positioned at the latter half of separated region, and clear water collecting pipe connects with drainage, It is provided with several clear water at clear water collecting pipe towards the one side bottom treatment tank and collects hole, being arranged at drainage Air supporting outlet.
The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement the most according to claim 1 processes, It is characterized in that: described air dissolving system comprises dissolving and air compressor machine, is provided with liquidometer and Pressure gauge, source of the gas in described dissolving Being transported in dissolving by air compressor machine, dissolving is connected with release by the first gate valve, air compressor machine start and stop and circulating pump electricity Machine is chain, and air compressor machine output pressure is adjustable by frequency conversion motor, when treatment tank influent concentration is too high, and adjustable air compressor machine Output pressure, Pressure gauge and liquid level that air compressor machine is arranged are calculated as on-line computing model table.
The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement the most according to claim 2 processes, It is characterized in that: described dissolving is connected with drainage by pipeline, pipeline is sequentially provided with the second gate valve, circulating pump, Check-valves and Pressure gauge.
The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement the most according to claim 1 processes, It is characterized in that: described medicine system comprises coagulation dosing device and flocculation chemicals dosing plant, and coagulation dosing device comprises the first storage Medicinal cupping, the first medicine storing pot is connected with sewage water inlet pipe by coagulating basin, and flocculation chemicals dosing plant comprises the second medicine storing pot, the second drug storage Tank is connected with sewage water inlet pipe by flocculation basin, is equipped with agitating device at coagulating basin and flocculation basin.
The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement the most according to claim 1 processes, It is characterized in that: described slash mud device comprises transmission band and scraper plate, described transmission band is arranged in pair of sprocket, and sprocket wheel passes through position Driving means in drainage top drives, and transmission band is provided with several scraper plates, and inclination is installed on a moving belt, By scraper plate by air supporting sludge scraping on a moving belt, it is poured in sludge sump.
The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement the most according to claim 2 processes, It is characterized in that: effusion meter is installed on described sewage water inlet pipe, clear water collecting pipe is provided with water quality testing meter, when water quality is examined When survey instrument detection water quality is the most up to standard, rotational speed of air compressor strengthens, and circulating pump rotating speed strengthens, and medicine system increases chemical feeding quantity.
CN201610642134.2A 2016-08-08 2016-08-08 The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes Pending CN106116075A (en)

Priority Applications (1)

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CN201610642134.2A CN106116075A (en) 2016-08-08 2016-08-08 The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610642134.2A CN106116075A (en) 2016-08-08 2016-08-08 The floatation thickening integration apparatus integrating device that high-concentration sewage mud decrement processes

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117164048A (en) * 2023-11-02 2023-12-05 江苏丰又环境科技有限公司 Sludge concentration equipment based on air-floatation concentration
CN117658269A (en) * 2023-11-15 2024-03-08 内蒙古伊东集团东兴化工有限责任公司 Novel sewage treatment device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117164048A (en) * 2023-11-02 2023-12-05 江苏丰又环境科技有限公司 Sludge concentration equipment based on air-floatation concentration
CN117164048B (en) * 2023-11-02 2024-01-26 江苏丰又环境科技有限公司 Sludge concentration equipment based on air-floatation concentration
CN117658269A (en) * 2023-11-15 2024-03-08 内蒙古伊东集团东兴化工有限责任公司 Novel sewage treatment device
CN117658269B (en) * 2023-11-15 2024-06-21 内蒙古伊东集团东兴化工有限责任公司 Sewage treatment device

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