CN106629956A - Processing device for reducing sewage sludge - Google Patents
Processing device for reducing sewage sludge Download PDFInfo
- Publication number
- CN106629956A CN106629956A CN201611006827.9A CN201611006827A CN106629956A CN 106629956 A CN106629956 A CN 106629956A CN 201611006827 A CN201611006827 A CN 201611006827A CN 106629956 A CN106629956 A CN 106629956A
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- China
- Prior art keywords
- sewage
- air
- sludge
- treatment tank
- dissolving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a processing device for reducing sewage sludge. The processing device comprises an air flotation system, an air dissolving system, a dosing system, a sludge collecting device and a clean water collecting device, wherein the air flotation system comprises a sewage treatment tank and a releaser; a first separating plate and a second separating plate are arranged in the sewage treatment tank so as to divide the sewage treatment tank into a sewage air flotation area, a sludge water separating area and a clean water draining area; the releaser is located in the sewage air flotation area; the releaser is communicated with a sewage feeding pipe and the air dissolving system; the full contact between sewage and air is realized in the releaser; the dosing system is arranged on the sewage feeding pipe; a through hole is formed on the middle part of the first separating plate; and sewage and air are in full contact with each other and then enter into the separating area through the through hole. An air floatation concentration integrated device provided by the invention is high in degree of running automation; the water resistance in the running process of the device and the solid load change scope are high and wide; the impact effect of meteorological environment factors is small; the sludge removing rate is stable; the device occupies less space; and the running energy consumption of the device is less.
Description
Technical field
The present invention relates to sewage sludge decrement processing apparatus, belong to sewage sludge process field.
Background technology
Sludge floatation thickening is a kind of reduction moisture percentage in sewage sludge, reduces the effective ways of sludge volume, existing sewage gas
The characteristics of floating concentration operation is complicated, costly, occupation of land is little, in China, sludge gravity concentration method accounts for 71.5%, and mechanical thickening is accounted for
21.4%, floatation thickening accounts for 7.1%.But with the continuous improvement of land used cost, sludge air supporting is concentrated in high concentration organic sludge
Advantage gradually withdraws deposit out in process.
Existing whole system equipment is complicated, in actual motion, because of flow, solid concentration and environmental change, and often can not be by
Designed capacity is run, and sludge clearance is unstable, and effluent quality is poor.
The content of the invention
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of sewage sludge decrement treatment
Device, floatation thickening integration apparatus waterpower and solid loading excursion are big, and weather element impact affects little, and sludge goes
Except rate is stable, equipment operation energy consumption is low.
Technical scheme：To solve above-mentioned technical problem, a kind of sewage sludge decrement processing apparatus of the present invention, including air supporting
System, air dissolving system, medicine system, mud collection device and clear water collection device, the air-flotation system includes treatment tank
And release, the first dividing plate and second partition are provided with inside the treatment tank, treatment tank is distributed into sewage diposal area
Domain, separated region and drainage, the release is located at sewage disposal region, release and sewage water inlet pipe and air dissolving system
Connection, realizes being fully contacted for dirty water and air in release, is provided with medicine system on sewage water inlet pipe, described first
Through hole is provided with the middle part of dividing plate, dirty water and air enters separated region after being fully contacted by through hole；The mud collection device
Mud device and the sludge pipe positioned at treatment tank bottom, the air supporting in separated region are skimmed comprising positioned at treatment tank top
Mud up-floating, is scraped in sludge sump by skimming mud device, and the sludge in sludge pipe is discharged by blowdown piping；The clear water is collected
Device includes clear water collecting pipe, and the clear water collecting pipe is located at the latter half of separated region, clear water collecting pipe and drainage
Connection, is provided with several clear water and collects hole, in the upper of drainage in clear water collecting pipe towards the one side for the treatment of tank bottom
Side is provided with air supporting delivery port；The slash mud device includes three sprocket wheels, and three sprocket wheels are triangularly arranged, and install on three sprocket wheels
There is conveyer belt, several scraper plates are installed on transmission belt, scraper plate is acute angle with conveyor belt motion angular separation, by scraper plate by gas
Floating sludge scraping on a moving belt, in being poured over sludge sump..
Preferably, the air dissolving system includes dissolving and air compressor machine, source of the gas is transported in dissolving by air compressor machine,
Dissolving is connected by the first gate valve with release.
Preferably, the dissolving is connected by pipeline with drainage, the second gate valve is sequentially provided with pipeline, is followed
Ring pump, check-valves and pressure gauge.
Preferably, the medicine system includes coagulation dosing device and flocculation chemicals dosing plant, coagulation dosing device is included
First medicine storing pot, the first medicine storing pot is connected by coagulating basin with sewage water inlet pipe, and flocculation chemicals dosing plant includes the second medicine storing pot, the
Two medicine storing pots are connected by flocculation basin with sewage water inlet pipe, and in coagulating basin and flocculation basin agitating device is equipped with.
Preferably, the scraper plate is when by air supporting sludge scraping on a moving belt, scraper plate one end is extend into drainage.
Preferably, being provided with flowmeter on the sewage water inlet pipe, water quality testing meter is installed on clear water collecting pipe, when
When water quality testing meter detection water quality is not up to standard, frequency conversion air compressor rotating speed is increased, and improves air-output pressure, then gas-water ratio is increased；
Circulation revolution speed is increased, and improves capacity of returns, then increase reflux ratio；Dosing pump frequency conversion adjusts chemical feeding quantity, and sewage flocculation enhances many, dirt
Mud air supporting clearance is increased.Lengthening swash plate is provided with separated region, swash plate is lengthened and is had the characteristics that：
1st, air flotation slot improves precipitate and separate efficiency using shallow pool theory using swash plate is lengthened.
2nd, the resistance water distribution system such as treatment tank water inlet water distribution employing, even water distribution.
3rd, air flotation slot is arranged and lengthens swash plate, optimizes the air flotation slot cross-section of river, creates good hydraulics, is reduced waterpower and is stopped
Stay dead angle and whirlpool.
4th, 75 degree of swash plate inclination angle is lengthened, and is all provided with flush pipe and carries out air-water flushing with bottom at the top of inclined tube, it is ensured that swash plate
Mud is not blocked.
5th, sludge hopper adopts cleaning shoe, motor adjustable speed, it is ensured that floating sludge is quickly removed, and do not become silted up collection.
6th, cleaning shoe inclination angle is adjustable in 45-75 degree scopes, and sets flush pipe, it is ensured that cleaning shoe is not blocked.
7th, air flotation slot hydraulic load 2-10m3/m2.h, solid loading 2-8kg/m2.h, hydraulic detention time 5-10min.
8th, dissolving adopts spraying filler tank, crosses Water l oad 100-150m3/m2.h, hydraulic detention time 2-3min.
9th, coagulation dosing device and flocculation chemicals dosing plant are improved using medicaments such as aluminium salt, molysite, active silica, PAM
Floatation thickening effect, stable effluent quality.
Beneficial effect：Compared with prior art, the present invention has advantages below：
1st, unit air supporting amount is high, and molten gas utilization rate is high, can process 1000-20000mg/L concentration sludge, can be applicable to city
The high-concentration sewage Treatment of Sludge of the industries such as activated sludge concentration, petrochemical industry, weaving, the papermaking of city's sanitary sewage.
2nd, equal treatment scale can save occupation of land more than 1/3.
3rd, the diameter of air supporting microbubble, microbubble group density it is adjustable (by adjusting air compressor machine output pressure and molten gas
System steam-water ratio), short grained float, such as algae can be separated.
4th, by improving the gas-water ratio of air dissolving system, also larger metal precipitates of separable proportion.
5th, integration apparatus are easy for installation, simple to operate, it is easy to grasp.
Description of the drawings
Fig. 1 is the system composition structural representation of the present invention.
Specific embodiment
As shown in figure 1, a kind of sewage sludge decrement processing apparatus of the present invention, including air-flotation system, air dissolving system, dosing
System 1, mud collection device and clear water collection device, the air-flotation system includes treatment tank 31 and release 32, described
The first dividing plate and second partition are provided with inside treatment tank 31, treatment tank 31 is distributed into sewage disposal region, Disengagement zone
Domain and drainage, the release 32 is located at sewage disposal region, and release 32 is connected with sewage water inlet pipe and air dissolving system,
Being fully contacted for dirty water and air is realized in release 32, medicine system 1 is installed on sewage water inlet pipe, described first every
Through hole is provided with the middle part of plate, dirty water and air enters separated region after being fully contacted by through hole, is provided with separated region and adds
Long swash plate 45；The mud collection device is comprising the slash mud device 42 positioned at the top for the treatment of tank 31 and positioned at treatment tank
The sludge pipe 33 of 31 bottoms, the air supporting Mud up-floating in separated region is scraped in sludge sump 44, sludge pipe by skimming mud device 42
Sludge in 33 is discharged by blowdown piping, and sludge pipe 33 is provided with mud valve 34；The clear water collection device is received comprising clear water
Collector 52, the clear water collecting pipe 52 is located at the latter half of separated region, and clear water collecting pipe 52 is connected with drainage, clear water
It is sealing shape that collecting pipe 52 is located at the end of separated region, is set towards the one side of the bottom for the treatment of tank 31 in clear water collecting pipe 52
There are several clear water to collect hole 53, air supporting delivery port 51 is provided with above drainage.The slash mud device includes three chains
Wheel 42, three sprocket wheels 42 are triangularly arranged, and are preferably positive triangle arrangement, and conveyer belt 43 is provided with three sprocket wheels 42, transmission
Several scraper plates 41 are installed on band 43, scraper plate 41 and the direction of motion angle of transmission belt 43 are acute angle, by scraper plate 41 by air supporting
Sludge scraping in being poured over sludge sump 44, by will skim mud device triangle is set on conveyer belt 43, and scraper plate can be stretched into
To in catchment, and can be poured into sludge is easier in sludge sump 44.
In the present invention, the air dissolving system is included in dissolving 23 and air compressor machine 21, the dissolving 23 and is provided with liquid level
Meter 22, liquid level gauge 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 passes through first
Gate valve is connected with release 32, and in dissolving 23 pressure gauge is provided with.The dissolving 23 is connected by pipeline with drainage
Connect, the second gate valve, circulating pump 24, check-valves and pressure gauge are sequentially provided with pipeline.Recirculation water is entered into by circulating pump 24
In dissolving 23, with being fully contacted for water and air, the dissolving of air, the water of dissolved gas is accelerated to enter into release 32.
In the present invention, the medicine system 1 includes 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 by coagulating basin 13 with sewage water inlet pipe, and flocculation chemicals dosing plant includes second
Medicine storing pot 12, the second medicine storing pot 12 is connected by flocculation basin 14 with sewage water inlet pipe, is equipped with coagulating basin 13 and flocculation basin 14
Agitating device.
In the present invention, flowmeter is installed on the sewage water inlet pipe, water quality testing meter is installed on clear water collecting pipe,
When water quality testing meter detection water quality is not up to standard, frequency conversion air compressor rotating speed is increased, and improves air-output pressure, then gas-water ratio adds
Greatly；Circulation revolution speed is increased, and improves capacity of returns, then increase reflux ratio；Dosing pump frequency conversion adjusts chemical feeding quantity, and sewage flocculation is enhanced
Many, sludge air supporting clearance is increased.
The present invention when in use, the sewage of high concentration is entered into sewage water inlet pipe, coagulation dosing device and flocculation dosing
Respectively to dosing in sewage water inlet pipe, the high-concentration sewage for adding medicine is entered into release 32 device, in release 32 with
The air contact of the discharge in dissolving 23 forms air supporting sludge, as current enter into separated region, in separated region by
It is little in air supporting density, the water surface is swum in together with sludge, scraped on conveyer belt by scraper plate 41, in being poured over sludge sump 44,
Clear water collecting pipe 52 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 delivery port 51, and sub-fraction is deposited in the sludge of the bottom for the treatment of tank 31 and passes through the row of sludge pipe 33
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 member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. a kind of sewage sludge decrement processing apparatus, it is characterised in that：Including air-flotation system, air dissolving system, medicine system, sludge
Collection device and clear water collection device, the air-flotation system includes treatment tank and release, inside the treatment tank
The first dividing plate and second partition are provided with, treatment tank is distributed into sewage disposal region, separated region and drainage, it is described to release
Device is put positioned at sewage disposal region, release is connected with sewage water inlet pipe and air dissolving system, be provided with sewage water inlet pipe and add
Medicine system, is provided with through hole in the middle part of first dividing plate, dirty water and air enters separated region after being fully contacted by through hole；Institute
State mud collection device and skim mud device and the sludge pipe positioned at treatment tank bottom comprising positioned at treatment tank top,
Air supporting Mud up-floating in separated region, is scraped in sludge sump by skimming mud device, and sludge sump is located at the top for the treatment of tank, dirty
Sludge in mud pipe is discharged by blowdown piping；The clear water collection device includes clear water collecting pipe, the clear water collecting pipe position
In the latter half of separated region, clear water collecting pipe is connected with drainage, in clear water collecting pipe towards treatment tank bottom
One side be provided with several clear water and collect hole, air supporting delivery port is provided with above drainage；The slash mud device includes three
Individual sprocket wheel, three sprocket wheels are triangularly arranged, and on three sprocket wheels conveyer belt is provided with, and several scraper plates are provided with transmission belt,
Scraper plate and conveyor belt motion angular separation are acute angle, by scraper plate by air supporting sludge scraping on a moving belt, in being poured over sludge sump.
2. sewage sludge decrement processing apparatus according to claim 1, it is characterised in that：The air dissolving system includes molten gas
Tank and air compressor machine, are provided with liquid level gauge and pressure gauge in the dissolving, source of the gas is transported in dissolving by air compressor machine, dissolving
It is connected with release by the first gate valve, air compressor machine start and stop are chain with circulating pump motor, air compressor machine output pressure passes through variable-frequency electric
Machine is adjustable, when treatment tank influent concentration is too high, can adjust air compressor machine output pressure, the pressure gauge that arranges on air compressor machine and
Liquid level is calculated as online monitoring instrument.
3. sewage sludge decrement processing apparatus according to claim 2, it is characterised in that：The dissolving by pipeline with
Drainage connects, and the second gate valve, circulating pump, check-valves and pressure gauge are sequentially provided with pipeline.
4. sewage sludge decrement processing apparatus according to claim 1, it is characterised in that：The medicine system includes coagulation
Chemicals dosing plant and flocculation chemicals dosing plant, coagulation dosing device includes the first medicine storing pot, and the first medicine storing pot is by coagulating basin and sewage
Water inlet pipe is connected, and flocculation chemicals dosing plant includes the second medicine storing pot, and the second medicine storing pot is connected by flocculation basin with sewage water inlet pipe,
Coagulating basin and flocculation basin are equipped with agitating device.
5. sewage sludge decrement processing apparatus according to claim 1, it is characterised in that：The scraper plate is by air supporting sludge
When scraping on a moving belt, scraper plate one end is extend into drainage.
6. sewage sludge decrement processing apparatus according to claim 2, it is characterised in that：Install on the sewage water inlet pipe
There is flowmeter, water quality testing meter is installed on clear water collecting pipe, when water quality testing meter detection water quality is not up to standard, rotational speed of air compressor
Increase, circulation revolution speed is increased, and medicine system increases chemical feeding quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006827.9A CN106629956A (en) | 2016-11-16 | 2016-11-16 | Processing device for reducing sewage sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006827.9A CN106629956A (en) | 2016-11-16 | 2016-11-16 | Processing device for reducing sewage sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106629956A true CN106629956A (en) | 2017-05-10 |
Family
ID=58806240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611006827.9A Withdrawn CN106629956A (en) | 2016-11-16 | 2016-11-16 | Processing device for reducing sewage sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106629956A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751312A (en) * | 2018-05-30 | 2018-11-06 | 嘉兴星创科技有限公司 | The cleaning plant of floccule in a kind of textile fabric printing and dyeing waste water |
| CN108751611A (en) * | 2018-07-13 | 2018-11-06 | 苏州新工环境工程技术有限公司 | Efficient printing and dyeing wastewater treatment system and its processing method |
| CN113880296A (en) * | 2021-09-27 | 2022-01-04 | 河南中烟工业有限责任公司 | Sewage treatment device for cigarette factory |
-
2016
- 2016-11-16 CN CN201611006827.9A patent/CN106629956A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108751312A (en) * | 2018-05-30 | 2018-11-06 | 嘉兴星创科技有限公司 | The cleaning plant of floccule in a kind of textile fabric printing and dyeing waste water |
| CN108751611A (en) * | 2018-07-13 | 2018-11-06 | 苏州新工环境工程技术有限公司 | Efficient printing and dyeing wastewater treatment system and its processing method |
| CN108751611B (en) * | 2018-07-13 | 2024-04-12 | 苏州新工环境工程技术有限公司 | Efficient printing and dyeing wastewater treatment system and treatment method thereof |
| CN113880296A (en) * | 2021-09-27 | 2022-01-04 | 河南中烟工业有限责任公司 | Sewage treatment device for cigarette factory |
| CN113880296B (en) * | 2021-09-27 | 2023-08-18 | 河南中烟工业有限责任公司 | Sewage treatment device for cigarette factory |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |