CN109368962A - A kind of sludge disposal method - Google Patents
A kind of sludge disposal method Download PDFInfo
- Publication number
- CN109368962A CN109368962A CN201811548863.7A CN201811548863A CN109368962A CN 109368962 A CN109368962 A CN 109368962A CN 201811548863 A CN201811548863 A CN 201811548863A CN 109368962 A CN109368962 A CN 109368962A
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- China
- Prior art keywords
- sludge
- concentration tank
- cray
- disposal method
- buffer pool
- Prior art date
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- 239000010802 sludge Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000945 filler Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims description 16
- 239000011259 mixed solution Substances 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 4
- 239000001913 cellulose Substances 0.000 claims description 3
- 229920002678 cellulose Polymers 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 4
- 231100000719 pollutant Toxicity 0.000 abstract description 4
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 241000238565 lobster Species 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to a kind of sludge disposal method, including sludge lifting pump, sludge concentration tank, water inlet line, outlet conduit, aerating system, air blower, filler, intercept nets.Decrement disposition is carried out to sludge using cray cultivation, the enrichment by cray to the pollutants such as nitrogen phosphorus in sludge can effectively purify sludge and consumption sludge, and method is reasonable, and using effect is good, can effectively realize the minimizing of sludge.
Description
Technical field
The present invention relates to pollutant process technical field more particularly to a kind of sludge disposal methods.
Background technique
With the development of society and the growth of population, the processing of municipal sewage builds up in each city in the whole nation and puts into fortune
Row, this plays positive effect to the water pollution problems for preventing China.The sludge formed in sewage disposal process brings ring again
Border pollution, in terms of protecting environment, becomes a urgent problem needed to be solved to the processing of municipal sludge again.
The method of disposal of sludge mainly has land use, landfill, burning, biochemical treatment and topples over and throw sea etc. at present.But
Generated moisture percentage in sewage sludge is high in sewage disposal process, and volume is big, brings greatly to its transport, final disposal and utilization
Inconvenience, it is therefore necessary to using the means of sludge dewatering, drying, moisture is separated from sludge.
The calorific value of sludge is very low, if being also required to very big energy expenditure using the means processing burned.So to reach
The deep dehydration of sludge, relatively inexpensive method are exactly common heated drying technology and equipment.But the characteristic of sludge determines dirt
It is big that difficulty is dehydrated in mud drying process, energy consumption height.
Sludge is disposed at present mainly landfill method, and water source easy to pollute, atmosphere, occupied area are larger, there are security risk, with
Land resource anxiety, it is hopeless soon.Incineration method, it can be achieved that sludge minimizing, but invest it is big, to boiler corrosion
Seriously, maintenance cost is high, and operating cost is high, is also easy to produce the pernicious gases such as dioxin.Rotary furnace desiccation utilizes coal or natural gas etc.
The energy carries out desiccation dehydration to sludge, and energy consumption is high, and operating cost is high, and high temperature desiccation is also easy to produce foul smell, drying process dust Control
It is required that stringent, there are security risks.Aerobic compost method, sludge shale is unstable, and middle heavy metal is difficult to stabilize, composting process
Bulk gas is generated, surrounding enviroment are polluted, stalk additive need to be added, supplements large quantity of air, it is at high cost.Curing agent stabilization method,
Large quantities of lime, alumina-base material are added, sludge increment cannot achieve recycling, can only fill, operating cost is higher.
Summary of the invention
To overcome above-mentioned technical problem of the existing technology, the present invention provides a kind of sludge disposal methods.
The technical scheme to solve the above technical problems is that
The muddy water mixed solution of sludge and waste water that sanitary wastewater processing is completed is promoted by elevator pump to sludge concentration tank；
Filler is added in sludge concentration tank, carries out cray cultivation；
Air needed for cray grows is provided to sludge concentration tank by aerating system；
The cray formed and sludge are passed through together in buffer pool and handled respectively.
The sanitary wastewater is after preliminary purification processing, by the muddy water mixed solution of remaining sludge and effluent part by mentioning
Pump is risen to be promoted to sludge concentration tank.
The muddy water mixed solution, which enters sludge concentration tank by the connecting pipe between elevator pump and sludge concentration tank, to carry out
Precipitating；
Connecting pipe between the elevator pump and sludge concentration tank connects the dirt from the lower part of the sludge concentration tank
Mud thickener.
Mud mixture in the sludge concentration tank is by connecting the pipe between the sludge concentration tank and buffer pool
Road voluntarily flows into buffer pool.
The filler is the biochemical filler for being suitable for cray cultivation, including but not limited to soft cellulose filler, semi-soft
Filler and composite filling.
The filler is equally added in buffer pool.
Intercept net is set in the buffer pool, to prevent cray from escaping from.
The aerating system includes air blower, air is passed through sludge concentration tank by aerating system.
Air needed for cray grows is provided to buffer pool by the aerating system.
Sludge and cray are handled respectively in the buffer pool；
Purified treatment is carried out to waste water in buffer pool.
Compared with prior art, the invention has the following advantages that
Sludge disposal method provided by the invention can be cultivated using cray and carry out decrement disposition to sludge, by small
Enrichment of the lobster to the pollutants such as nitrogen phosphorus in sludge can effectively purify sludge and consumption sludge, and method is reasonable, using effect
It is good, the minimizing of sludge can be effectively realized.
Detailed description of the invention
Fig. 1 is the sludge disposal method principle flow chart that the embodiment of the present invention one provides.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.It should be noted that in the absence of conflict, in embodiments herein and embodiment
Feature can be combined with each other.
The present invention provides a kind of sludge disposal method, including sludge lifting pump, pipeline, sludge concentration tank, and aerating system is filled out
Material, air blower, mud decrement biology cray.It is characterized by: providing life indispensability to cray using blast aeration system
Oxygen, sludge provides the nutriment of cray growth, and cray growth is fast, yield is high, adaptable, feeding habits are miscellaneous, severe ring
Border can survive, and have preferable outlet, high financial profit, and cray can effectively consume sludge, realize the pollution such as nitrogen phosphorus
The enrichment of object.
The present embodiment provides a kind of sludge disposal methods, as shown in Figure 1, comprising:
Step 11, the muddy water mixed solution of sludge and waste water that sanitary wastewater processing is completed is promoted by elevator pump to sludge
Concentration basin.
The sanitary wastewater is after preliminary purification processing, by the muddy water mixed solution of remaining sludge and effluent part by mentioning
Pump is risen to be promoted to sludge concentration tank.
Sanitary wastewater can first carry out preliminary purification, the waste water otherwise processed of completion will wherein be purified, by remaining waste water
The disposition of the present embodiment is carried out with sludge.
The muddy water mixed solution, which enters sludge concentration tank by the connecting pipe between elevator pump and sludge concentration tank, to carry out
Precipitating；
Connecting pipe between the elevator pump and sludge concentration tank connects the dirt from the lower part of the sludge concentration tank
Mud thickener.
Step 12, filler is added in sludge concentration tank, carries out cray cultivation.
The filler is the biochemical filler for being suitable for cray cultivation, including but not limited to soft cellulose filler, semi-soft
Filler and composite filling.
Biochemical filler has heat dissipation performance high, and resistance is small, and water distribution, gas distribution performance are good, easy long film, and has cutting bubble to make
With.For sewage, waste water treatment engineering, the equipment such as contact oxidation tower, oxidation pond oxidation trough are matched in, are a kind of biological contact oxidations
The bio-carrier of change method and Unareobic fermentation processing waste water.Biochemical filler includes that soft-filler, semi soft packing and combination are filled out
Material etc..
The filler can equally be added in buffer pool.
Step 13, air needed for cray grows is provided to sludge concentration tank by aerating system.
Aerating system is designed to provide cray and grows necessary air, thus, aerating system is actually passed through useless
In water, air and oxygen needed for increasing cray growth.Although cray lower oxygen concentration resistance, if being chronically at low dissolved oxygen state,
It then will affect its speed of growth and survival rate.
Aerating system includes air blower, air is passed through sludge concentration tank by aerating system.
Aerating system also needs to provide buffer pool air needed for cray grows.
Step 14, the cray formed and sludge are passed through together in buffer pool and are handled respectively.
Mud mixture in the sludge concentration tank is by connecting the pipe between the sludge concentration tank and buffer pool
Road voluntarily flows into buffer pool.
Sludge and cray are handled respectively in buffer pool.Remaining sludge quantity has been considerably less than main sludge before standing
Amount, it is possible to carry out normal sludge treatment.
Waste water can carry out further purified treatment also by the biological cleaning of cray later in buffer pool.
The present embodiment is actually a kind of scheme of mud decrement disposition, it is possible to reduce the quantity of sludge, and then be sludge
Disposition provides convenient.Meanwhile cray cultivation can also reduce the cost of sludge treatment.
The present embodiment includes sludge lifting pump, sludge concentration tank, water inlet line, outlet conduit, aerating system, air blower,
Filler, intercept net.Muddy water mixed solution is promoted to sludge concentration tank by elevator pump, while sludge concentration tank and buffer pool are taken
Gravity flow mode provides air to sludge concentration tank and buffer pool by aerating system, oxygen needed for guaranteeing cray, while filler can
To have certain clean-up effect to water quality to one growing carrier of activated sludge.All pipelines are all the originals using low in and high out
Then, increase the residence time of water and be thoroughly mixed into system.
In the embodiment of the present invention, decrement disposition is carried out to sludge using cray cultivation, by cray to nitrogen in sludge
The enrichment of the pollutants such as phosphorus can effectively purify sludge and consumption sludge, and method is reasonable, and using effect is good, can be effectively
Realize the minimizing of sludge.
In the description of the present invention, it should be noted that term "top", "bottom", " orientation of instructions such as "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sludge disposal method characterized by comprising
The muddy water mixed solution of sludge and waste water that sanitary wastewater processing is completed is promoted by elevator pump to sludge concentration tank；
Filler is added in sludge concentration tank, carries out cray cultivation；
Air needed for cray grows is provided to sludge concentration tank by aerating system；
The cray formed and sludge are passed through together in buffer pool and handled respectively.
2. a kind of sludge disposal method according to claim 1 characterized by comprising
The muddy water mixed solution of remaining sludge and effluent part is passed through elevator pump after preliminary purification processing by the sanitary wastewater
Promote sludge concentration tank.
3. a kind of sludge disposal method according to claim 1 characterized by comprising
The muddy water mixed solution enters sludge concentration tank by the connecting pipe between elevator pump and sludge concentration tank and is precipitated；
Connecting pipe between the elevator pump and sludge concentration tank is dense from the lower part of the sludge concentration tank connection sludge
Contracting pond.
4. a kind of sludge disposal method according to claim 1 characterized by comprising
Mud mixture in the sludge concentration tank is by connecting the pipeline between the sludge concentration tank and buffer pool certainly
Row flows into buffer pool.
5. a kind of sludge disposal method according to claim 1 characterized by comprising
The filler is the biochemical filler for being suitable for cray cultivation, including but not limited to soft cellulose filler, semi soft packing
And composite filling.
6. a kind of sludge disposal method according to claim 1 or 5 characterized by comprising
The filler is equally added in buffer pool.
7. a kind of sludge disposal method according to claim 1 characterized by comprising
Intercept net is set in the buffer pool, to prevent cray from escaping from.
8. a kind of sludge disposal method according to claim 1 characterized by comprising the aerating system includes drum
Blower, air is passed through sludge concentration tank by aerating system.
9. a kind of sludge disposal method according to claim 1 characterized by comprising pass through the aerating system pair
Buffer pool provides air needed for cray grows.
10. a kind of sludge disposal method according to claim 1 characterized by comprising in the buffer pool sludge and
Cray is handled respectively；
Purified treatment is carried out to waste water in buffer pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548863.7A CN109368962A (en) | 2018-12-18 | 2018-12-18 | A kind of sludge disposal method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811548863.7A CN109368962A (en) | 2018-12-18 | 2018-12-18 | A kind of sludge disposal method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368962A true CN109368962A (en) | 2019-02-22 |
Family
ID=65374221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811548863.7A Pending CN109368962A (en) | 2018-12-18 | 2018-12-18 | A kind of sludge disposal method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368962A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2140735C1 (en) * | 1998-01-13 | 1999-11-10 | Всероссийский научно-исследовательский институт ирригационного рыбоводства | Method for cleaning animal complex, farm and poultry houses sewage water by means of adapted complex of microalgae, higher aquatic plants, zooplankton and fish |
| CN103451297A (en) * | 2013-09-06 | 2013-12-18 | 内蒙古科技大学 | Method for evaluating water quality by use of MT (metallothionein) gene expression mode of freshwater crayfish |
| CN204803088U (en) * | 2015-07-13 | 2015-11-25 | 王宇正 | Landscape water body repair system |
| CN106490299A (en) * | 2016-10-20 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of method that recovery Sewage Plant second pond sludge prepares feed for shrimp and crab |
| CN108975512A (en) * | 2018-07-25 | 2018-12-11 | 南大（常熟）研究院有限公司 | A kind of Water Ecological Recovery method of high ammonia nitrogen black-odor riverway |
-
2018
- 2018-12-18 CN CN201811548863.7A patent/CN109368962A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2140735C1 (en) * | 1998-01-13 | 1999-11-10 | Всероссийский научно-исследовательский институт ирригационного рыбоводства | Method for cleaning animal complex, farm and poultry houses sewage water by means of adapted complex of microalgae, higher aquatic plants, zooplankton and fish |
| CN103451297A (en) * | 2013-09-06 | 2013-12-18 | 内蒙古科技大学 | Method for evaluating water quality by use of MT (metallothionein) gene expression mode of freshwater crayfish |
| CN204803088U (en) * | 2015-07-13 | 2015-11-25 | 王宇正 | Landscape water body repair system |
| CN106490299A (en) * | 2016-10-20 | 2017-03-15 | 常州市鼎升环保科技有限公司 | A kind of method that recovery Sewage Plant second pond sludge prepares feed for shrimp and crab |
| CN108975512A (en) * | 2018-07-25 | 2018-12-11 | 南大（常熟）研究院有限公司 | A kind of Water Ecological Recovery method of high ammonia nitrogen black-odor riverway |
Non-Patent Citations (3)
| Title |
|---|
| 汪文忠: "小龙虾养殖成败的关键技术", 《渔业致富指南》 * |
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Application publication date: 20190222 |