CN106517654A - Sludge treatment process - Google Patents
Sludge treatment process Download PDFInfo
- Publication number
- CN106517654A CN106517654A CN201611014856.XA CN201611014856A CN106517654A CN 106517654 A CN106517654 A CN 106517654A CN 201611014856 A CN201611014856 A CN 201611014856A CN 106517654 A CN106517654 A CN 106517654A
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- Prior art keywords
- cavity
- filter layer
- bed filter
- air
- water inlet
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Biological Treatment Of Waste Water (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses a sludge treatment process. The process specifically comprises treatment steps as follows: (1) treated sewage is directly added to a lower cavity of a casing through a water inlet pipe, and aeration equipment is started; (2) the aeration quantity of the aeration equipment is controlled with a method as follows: a, air is blown into the cavity of the water inlet pipe at the air flow rate of 5m<3>/s for 2-3 hours; b, after the step a is ended, the air flow rate of the aeration equipment is increased to 20 m<3>/s within 1-2 s, aeration is stopped for 2-3 min after aeration is performed for 5-10 min, and the step a and the step b are circularly executed; (3) when the aeration equipment works, to-be-treated sewage in the lower cavity of the casing is subjected to aeration treatment, and the sewage and the air are filtered by a filtering layer of a floating bed and enter an upper cavity; (4) water entering the upper cavity is treated. The sewage is filtered with the process, the condition that pollutants are continuously attached to the surface of a filter bed can be avoided, and the filtering effect is guaranteed.
Description
Technical field
The invention belongs to the multistep treatment field of a kind of water, waste water or sewage, and in particular to a kind of sewage treatment process.
Background technology
Sanitary sewage and various industrial wastewaters are the principal elements for causing water pollution at present, containing substantial amounts of organic in sewage
Pollutant and nitrogen etc., after surface water body is entered, cause water hypoxia because of a large amount of dissolved oxygen of oxidation Decomposition consumption, make water
Body environment is destroyed.Substantial amounts of sewage discharge also results in the waste of water resource in addition to water pollution is caused, so using suitable
Water treatment technology process sewage and by the reusing sewage after process in life or produce be very necessary.
At present, sewage water treatment method is more, and the filter for being adopted is also varied.Wherein, floating living bed technique is
Biomembrance process is organically combined with activated sludge process, to lift the organic pollutant removal rate such as COD, BOD in activated Sludge System
With increase denitrification effect.This technology can effectively lift 2～4 times of the volumetric loading of activated sludge tank, and by nitrification and instead
Nitrification, carrys out degradable organic pollutant and realizes effective denitrogenation.Its filter is typically using the mistake of top water inlet bottom water outlet
Filter mode, sewage are entered by filter top, and after filter layer is filtered, clear water is discharged by filter bottom.Water-treated
Cheng Zhong, biological bed thickness are constantly thickening, cause pressure transient in filter, and water resistance is big, and power consumption is high, in filter operation
Easily block, need frequently to carry out backwash, not only water consumption is big, and effluent quality is unstable after backwash, affect water process
Effect, and filler service life is short, and cost of water treatment is high.
Patent publication No., should to disclose a kind of sewage treatment process and its equipment in the patent document of CN101580327
The device of sewage treatment process is adopted in float bed filter, filter and is provided with the flotation bed being made up of suspension media from the bottom to top
Filter layer, sandstone filter layer, water inlet pipe are passed through below flotation bed filter layer through each filter layer from top to bottom.Sewage is through aeration
Afterwards, it is passed through by water inlet pipe self-relocation bed filter layer bottom, the microorganism in water is attached to suspension media surface and forms life of floating
Thing filter bed, sewage pass sequentially through floating living filter bed, sandstone filter layer from the bottom to top and filter, top of the clear water by filter
Overflow is discharged, and sludge is discharged by the floss hole for being located at filter bottom.Although adopting the sewage treatment process and its equipment to have
Filter bed resistance is little, and consume energy low advantage, but after filtering a period of time, pollutant can be gradually adhered to the table of filter bed
Face, causes the rate of filtration slack-off, or even blocking filter bed, affects follow-up filter effect.
The content of the invention
It is an object of the invention to provide a kind of sewage treatment process, can avoid pollutant using the process filtration sewage
Filter bed surface is attached to persistently, so as to ensure filter effect.
To reach above-mentioned purpose, the base case of the present invention is as follows：
A kind of sewage treatment process, is filtered using float bed filter, and the float bed filter includes housing, flotation bed
The water inlet pipe of cavity is provided with filter layer and tube wall, housing is divided into upper cavity and lower chamber, is entered by the flotation bed filter layer
Water pipe from top to bottom passes through flotation bed filter layer and stretches in cavity of resorption body, and water inlet pipe lower end is provided with and the gas being connected is rotated with water inlet pipe
Body distribution head, gas distribution head are provided with the solarization air cap connected with the cavity, are additionally provided with the exposure connected with cavity by pipeline
Gas equipment；The technique specifically includes following process step,
（1）Directly the sewage for processing is added in the cavity of resorption body of housing by water inlet pipe, then starts aerator；
（2）The aeration rate of aerator is controlled as follows：A. sky is blasted by the throughput of 5m/s into the cavity of water inlet pipe
Gas, continues 2-3 hours；B., after step a terminates, the throughput of aerator is risen into a height of 20m/s, aeration in 1-2s
Stop aeration 2-3min after 5-10min, afterwards circulation step a and step b；
（3）When aerator works, in the lower chamber of housing, while Air Exposure is carried out to pending sewage, sewage and
The equal Jing flotation beds filter layer of air is filtered and enters upper cavity；
（4）Process into the water in epicoele body and complete.
The advantage of this programme is：
1st, in this programme, simultaneously filtered and Air Exposure in float bed filter, aerator produce with pressure
Air Jing water inlet pipes cavity and solarization air cap from gas distribution head discharge, carry out Air Exposure, energy while filtering
Preferably support microorganism and oxygen is provided, so as to by the more complete of sewage disposal；Meanwhile, air passes through flotation bed filter layer, will float
The pollutant that bed is filtered in lamellar spacing are taken out of, can prevent flotation bed filter layer from blocking；
When the 2nd, using the aeration mode aeration of this programme circulation step a and step b, when pressing the throughput of 5m/s to water inlet pipe
Air is blasted in cavity, the stage of normal process sewage is now in；After step a terminates, by aerator in the 1-2s
Throughput rises a height of 20m/s, now can moment by flotation bed filter layer lifting, aeration process produces substantial amounts of air, and air exists
Rupture after touching flotation bed filter layer, the pollutant shake that will be attached in flotation bed filtration layer surface is fallen；Subsequently stop aeration, this
When flotation bed filter layer can fall, there is stronger relative motion in the water in flotation bed filter layer and cavity of resorption body, will be attached to
Flotation bed filters the pollutant of layer surface and takes away, so as to avoid flotation bed filter layer from blocking.
Prioritization scheme 1, the further optimization to base case connect between the flotation bed filter layer upper end and case top
It is connected to spring.When the throughput of aerator rises a height of 20m/s, now can moment by flotation bed filter layer lifting, spring is pressed
Contracting, after step a and step b, under the collective effect of the elastic force and flotation bed filter layer of spring, flotation bed filter layer is fast
Speed is moved down, and strengthens the degree of sewage and the relative motion of flotation bed filter layer, is conducive to improving the effect for removing attachment pollutant.
Prioritization scheme 2, the further optimization to base case are provided with air storing cavity in the flotation bed filter layer, it is described enter
Cavity, and the steam vent that can be connected with air storing cavity are communicated with the side wall of water pipe；Also include process step：In cavity
Air enters air storing cavity by steam vent, the air of gas storage intracavity upwards, flow downward, and will be blocked in flotation bed filter layer
Contaminant exclusion.In processing procedure, flotation bed filter layer can be slided up and down along water inlet pipe, when sliding into steam vent and gas storage
When chamber connects, air enters air storing cavity, the air of gas storage intracavity upwards, flow downward, flotation bed will be come into and filter interlayer
Pollutant in gap are discharged by gas, extend the use time of flotation bed filter layer.
Prioritization scheme 3, to base case, prioritization scheme 1,2 any one further optimization, the water inlet pipe bottom is provided with
With flotation bed filter layer bottom surface size identical elastic plate, the elastic plate can be contacted with flotation bed filter layer, also including following step
Suddenly：Collide with elastic plate when flotation bed filter layer is moved down, elastic plate will be attached to the pollutant of flotation bed filter layer and shake off.
Description of the drawings
Fig. 1 is the structural representation of the float bed filter embodiment used in a kind of sewage treatment process of the invention；
Zoomed-in view at the A of Fig. 2 Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Housing 1, upper cavity 11, lower chamber 12, flotation bed filter layer 2, air storing cavity
21st, water inlet pipe 3, cavity 31, steam vent 32, gas distribution head 4, solarization air cap 41, aerator 5, spring 6.
Embodiment is substantially as shown in Figures 1 and 2：A kind of sewage treatment process, is filtered using float bed filter,
Float bed filter includes the water inlet pipe 3 that cavity 31 is provided with housing 1, flotation bed filter layer 2 and tube wall, flotation bed filter layer 2
Housing 1 is divided into into upper cavity 11 and lower chamber 12, water inlet pipe 3 from top to bottom passes through flotation bed filter layer 2 and stretches into lower chamber
In 12,3 lower end of water inlet pipe is provided with and the gas distribution head 4 being connected is rotated with water inlet pipe 3, and gas distribution head 4 is provided with and cavity 31
The solarization air cap 41 of connection, is additionally provided with the aerator 5 connected with cavity 31 by pipeline；The technique specifically includes following process and walks
Suddenly,
（1）Directly the sewage of process is added in the lower chamber 12 of housing 1 by water inlet pipe 3, then starts aerator 5；
（2）The aeration rate of aerator 5 is controlled as follows：A. the throughput for pressing 5m/s is roused into the cavity 31 of water inlet pipe 3
Enter air, continue 2-3 hours；B. after step a terminates, in the 1-2s by the throughput of aerator 5 rise a height of 20m/
S, stops aeration 2-3min, afterwards circulation step a and step b after aeration 5-10min；
（3）When aerator 5 works, in the lower chamber 12 of housing 1, while Air Exposure is carried out to pending sewage, it is dirty
The equal Jing flotation beds filter layer of water and air 2 is filtered and enters upper cavity 11；
（4）Process into the water in upper cavity 11 and complete.
In the present embodiment at the top of 2 upper end of flotation bed filter layer and housing 1 between be connected with spring 6.When the gas of aerator 5
Flow rises a height of 20m/s, now can moment by 2 lifting of flotation bed filter layer, spring 6 is compressed, through step a and step b it
Afterwards, under the collective effect of the elastic force and flotation bed filter layer 2 of spring 6, flotation bed filter layer 2 is moved down rapidly, strengthen sewage with
The degree of the relative motion of flotation bed filter layer 2, is conducive to improving the effect for removing attachment pollutant.
In the present embodiment, air storing cavity 21 is provided with flotation bed filter layer 2, is communicated with cavity on the side wall of water inlet pipe 3, and
The steam vent 32 that can be connected with air storing cavity 21；Also include process step：Air in cavity enters storage by steam vent 32
Air cavity 21, the air in air storing cavity 21 upwards, flow downward, and the contaminant exclusion that will be blocked in flotation bed filter layer 2.
In processing procedure, flotation bed filter layer 2 can be slided up and down along water inlet pipe 3, when sliding into steam vent 32 and connecting with air storing cavity 21,
Air enter air storing cavity 21, the air in air storing cavity 21 upwards, flow downward, will come in 2 gap of flotation bed filter layer
Pollutant discharged by gas, extend the use time of flotation bed filter layer 2.
In the present embodiment, 3 bottom of water inlet pipe is connected with and 2 bottom surface size identical elastic plate of flotation bed filter layer, the bullet
Property plate can be contacted with flotation bed filter layer 2, further comprising the steps of：Collide with elastic plate when flotation bed filter layer 2 is moved down, elasticity
Plate will be attached to the pollutant of flotation bed filter layer 2 and shake off.
Specific workflow:
In this programme, simultaneously filtered and Air Exposure in float bed filter, aerator 5 produce with pressure
The cavity of air Jing water inlet pipes 3 solarization air cap 41 from gas distribution head 4 is discharged, carries out Air Exposure while filtering,
Microorganism can preferably be supported oxygen is provided, so as to by the more complete of sewage disposal；Meanwhile, air passes through flotation bed filter layer 2, will be floating
Pollutant in dynamic 2 gap of bed filter layer are taken out of, can prevent flotation bed filter layer 2 from blocking；Using this programme circulation step a and step
During the aeration mode aeration of rapid b, when the throughput by 5m/s blasts air into the cavity 31 of water inlet pipe 3, it is now in normal
Process the stage of sewage；After step a terminates, the throughput of aerator 5 is risen into a height of 20m/s in 1-2s, now can wink
Between by 2 lifting of flotation bed filter layer, aeration process produces substantial amounts of air, and air is ruptured after touching flotation bed filter layer 2, will
The pollutant shake being attached on 2 surface of flotation bed filter layer is fallen；Subsequently stop aeration, now flotation bed filter layer 2 can fall, and float
There is stronger relative motion with the water in lower chamber 12 in dynamic bed filter layer 2, will be attached to the dirt on 2 surface of flotation bed filter layer
Dye thing is taken away, so as to avoid flotation bed filter layer 2 from blocking.
The above is only embodiments of the invention, and in scheme, the general knowledge here such as known characteristic does not make excessive description.Should
Point out, for a person skilled in the art, without departing from the inventive concept of the premise, can also make it is some deformation and
Improve, these should also be considered as protection scope of the present invention, these realities all without the effect and patent for affecting the present invention to implement
The property used.This application claims protection domain should be defined by the content of its claim, specific embodiment in description etc.
Record can be used for the content for explaining claim.
Claims (4)
1. a kind of sewage treatment process, it is characterised in that filtered using float bed filter, the float bed filter bag
The water inlet pipe that cavity is provided with housing, flotation bed filter layer and tube wall is included, housing is divided into epicoele by the flotation bed filter layer
Body and lower chamber, water inlet pipe from top to bottom pass through flotation bed filter layer and stretch in cavity of resorption body, and water inlet pipe lower end is provided with and water inlet
Pipe rotates the gas distribution head of connection, and gas distribution head is provided with the solarization air cap connected with the cavity, is additionally provided with by pipeline
The aerator connected with cavity；The technique specifically includes following process step,
（1）Directly the sewage for processing is added in the cavity of resorption body of housing by water inlet pipe, then starts aerator；
（2）The aeration rate of aerator is controlled as follows：A. sky is blasted by the throughput of 5m/s into the cavity of water inlet pipe
Gas, continues 2-3 hours；B., after step a terminates, the throughput of aerator is risen into a height of 20m/s, aeration in 1-2s
Stop aeration 2-3min after 5-10min, afterwards circulation step a and step b；
（3）When aerator works, in the lower chamber of housing, while Air Exposure is carried out to pending sewage, sewage and
The equal Jing flotation beds filter layer of air is filtered and enters upper cavity；
（4）Process into the water in epicoele body and complete.
2. a kind of sewage treatment process according to claim 1, it is characterised in that the flotation bed filter layer upper end and shell
Spring is connected between at the top of body.
3. a kind of sewage treatment process according to claim 1, it is characterised in that be provided with storage in the flotation bed filter layer
Air cavity, is communicated with cavity, and the steam vent that can be connected with air storing cavity on the side wall of the water inlet pipe；Also include processing step
Suddenly：Air in cavity enters air storing cavity by steam vent, the air of gas storage intracavity upwards, flow downward, and will be blocked in floating
Contaminant exclusion in dynamic bed filter layer.
4. a kind of sewage treatment process according to any one of claim 1-3, it is characterised in that the water inlet pipe bottom sets
Have and flotation bed filter layer bottom surface size identical elastic plate, the elastic plate can be contacted with flotation bed filter layer, also including following
Step：Collide with elastic plate when flotation bed filter layer is moved down, elastic plate will be attached to the pollutant of flotation bed filter layer and shake off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014856.XA CN106517654B (en) | 2016-11-18 | 2016-11-18 | A kind of sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611014856.XA CN106517654B (en) | 2016-11-18 | 2016-11-18 | A kind of sewage treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106517654A true CN106517654A (en) | 2017-03-22 |
| CN106517654B CN106517654B (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611014856.XA Active CN106517654B (en) | 2016-11-18 | 2016-11-18 | A kind of sewage treatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN106517654B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580327A (en) * | 2009-03-25 | 2009-11-18 | 李晓玉 | Sewage treatment process and device thereof |
| CN101869783A (en) * | 2009-04-23 | 2010-10-27 | 朱凤翔 | Method for carrying out inflating and flushing on filter |
| CN202881057U (en) * | 2012-11-02 | 2013-04-17 | 广州市新之地环保产业有限公司 | Multifunctional sewage-treatment device |
-
2016
- 2016-11-18 CN CN201611014856.XA patent/CN106517654B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101580327A (en) * | 2009-03-25 | 2009-11-18 | 李晓玉 | Sewage treatment process and device thereof |
| CN101869783A (en) * | 2009-04-23 | 2010-10-27 | 朱凤翔 | Method for carrying out inflating and flushing on filter |
| CN202881057U (en) * | 2012-11-02 | 2013-04-17 | 广州市新之地环保产业有限公司 | Multifunctional sewage-treatment device |
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| Publication number | Publication date |
|---|---|
| CN106517654B (en) | 2019-06-25 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190529 Address after: 246400 Changhe Road, Jinxi Town, Taihu County, Anqing City, Anhui Province Applicant after: Anhui Tianyue Environmental Engineering Co.,Ltd. Address before: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Applicant before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190529 Address after: 510000 B1B2, one, two, three and four floors of the podium building 231 and 233, science Avenue, Guangzhou, Guangdong. Applicant after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 563319 Huangniqiao, Fenghua Town, Suiyang County, Zunyi City, Guizhou Province Applicant before: SUIYANG COUNTY SHUANGLONG PAPER INDUSTRY Co.,Ltd. |
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