CN209442818U - A kind of coal mine Domestic sewage treatment plant - Google Patents
A kind of coal mine Domestic sewage treatment plant Download PDFInfo
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- CN209442818U CN209442818U CN201822129741.6U CN201822129741U CN209442818U CN 209442818 U CN209442818 U CN 209442818U CN 201822129741 U CN201822129741 U CN 201822129741U CN 209442818 U CN209442818 U CN 209442818U
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Abstract
The utility model provides a kind of coal mine sewage reuse processing unit for being compounded with biomembrane Yu film biological treatment system.A kind of coal mine Domestic sewage treatment plant, including the oxygen compatibility pool, aerobic tank and membrane bioreactor set gradually；First support in oxygen compatibility pool equipped with hydraulic jet component and oxygen filler and for hanging simultaneous oxygen filler, hydraulic jet component includes multiple ejectors；Aeration component, aerobic combination filler and the second support for hanging aerobic combination filler are equipped in aerobic tank；The buffer board of interlaced arrangement is equipped in membrane bioreactor, buffer board forms buffer area adjacent to aerobic tank, multiple buffer boards, is not provided with forming reaction zone inside the membrane bioreactor of buffer board, reaction zone is equipped with hyperfiltration membrane assembly.Utility model device takes up little area, and operating cost is low, and hyperfiltration membrane assembly cleaning frequency is low in membrane bioreactor pond, and the service life is long, and excess sludge is not generated in treatment process.
Description
Technical field
The utility model relates to a kind of sewage-treatment plants, in particular to a kind of to handle for coal mine domestic sewage resource
Device, belong to environmental protection with clearer production technology field.
Background technique
Since a very long time, coal industry is the pillar industry of China's economy, and Coal Mine is more, and range is wide, yield
Greatly.With the rapid development of country in this year, the transition and upgrade of energy industry, the processing and utilization of coal mine sewage require more and more tighter
Lattice, or even in the area having, environmental protection administration requires coal mine to realize wastewater zero discharge.Coal mining enterprise is to solve mine domestic wastewater
Caused by environmental pollution and the problems such as meet environmental standard, treatment facility need to be increased in raw ore area and carry out upgrading, if adopting
It is designed with traditional biochemical method, the volume for handling structures is often larger, and difficulty of construction is big, invests relatively high.
Coal mine sanitary sewage water is big, and have industry characteristic is bath wastewater, and waste strength is usually lower, these features
Determine that organic concentration BOD5 value is relatively low in its water quality.It is special containing trade effluents such as many slack coal flying dusts in coal mine plant effuent
Property sewage enter after sanitary sewage that make the sewage slightly be in greyish black color, major pollutants in suspend or the coal dust of colloidal,
Flying dust etc..
Conventional biochemical technique is limited for N, P removal effect in sewage of low concentration, in addition coal mine Sewage Pollution object
Concentration is relatively low, is easy to produce subalimentation in microorganism growth, causes treatment effect poor, treated, and mine domestic wastewater is difficult
To reach new discharge standard or industrial reuse water requirement.
Therefore, the shortcoming in mine domestic wastewater conventional treatment how is effectively solved, is found low dense suitable for mining area
The processing method for spending sanitary sewage makes final outflow water meet production and miscellaneous water requirement, can preferably realize the resource of sewage
The problem of changing and utilize, being those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of coal mine life for being compounded with biomembrane and film biological treatment system is dirty
Recycling of water resource processing unit, using multiphase mud film biologic treating technique, by the biological concentration of high-density ecological carrier filler with
The biological crown_interception of membrane bioreactor, is substantially improved biochemical system adaptability and denitrogenation dephosphorizing ability, so that coal mine is biochemical
For sewage after device processing, water outlet meets industrial reuse water quality standard, solves the problems, such as to propose in background above technology.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of coal mine Domestic sewage treatment plant, including the oxygen compatibility pool, aerobic tank and membrane bioreaction set gradually
Answer device；First support in the oxygen compatibility pool equipped with hydraulic jet component and oxygen filler and for hanging simultaneous oxygen filler, waterpower
Fluidic module includes multiple ejectors；Aeration component, aerobic combination filler and aerobic for hanging are equipped in the aerobic tank
The second support of composite filling；Be equipped with the buffer board of interlaced arrangement in the membrane bioreactor, buffer board adjacent to aerobic tank,
Multiple buffer boards form buffer area, are not provided with forming reaction zone inside the membrane bioreactor of buffer board, reaction zone is equipped with ultrafiltration
Membrane module, hyperfiltration membrane assembly include hollow fiber ultrafiltration membrane, the aeration flushing pump for being aerated washing hollow-fiber ultrafiltration membrane, use
In washing hollow-fiber ultrafiltration membrane and remove surface attached biological film backwashing pump and for hollow fiber ultrafiltration membrane water outlet
Vacuum water pump, hollow fiber ultrafiltration membrane are set to inside reaction zone, and aeration flushing pump, backwashing pump and vacuum water pump are set to film
Outside bioreactor, the membrane bioreactor is additionally provided with for returning the sludge of sludge reflux to oxygen compatibility pool and aerobic tank
Flow component.
Preferably, the ejector includes for connecting the water inflow nozzle of external water inlet pipe, connecting with water inflow nozzle
Penstock and cover at the water inlet impact-absorbing shell of penstock end.The ejector can make to generate larger flow velocity into water, simultaneous
Waterpower agitation is formed in oxygen pond, is conducive to and oxygen sludge is mixed with the uniform of sanitary sewage.
Preferably, the simultaneous oxygen filler is denitrification ecology filler, and oxygen filler in the suspension height of first support
It is 0.5~0.6 times of oxygen compatibility pool height, and the packing ratio of oxygen filler is 0.1~0.3.Pass through microculture and denitrifying bacterium
Field planting, denitrification ecology filler can effectively be enriched with facultative microbe, form the micro- life of simultaneous oxygen of fine and close biomembrane and suspended state
The degradation of pollutant and the removing of total nitrogen in sanitary sewage are completed in object synchronous effect.
Preferably, the aeration component includes multiple vertically disposed detachable aeration tubes, each detachable aeration
Tube end is equipped with aeration head, and multiple detachable aeration tubes are connected by horizontal tracheae.
Preferably, the aerobic combination filler is polyesters floating stuffing, the packing ratio of aerobic combination filler is 0.2
~0.4.Polyesters floating stuffing can carry out the culture enrichment of decarburization bacterium and nitrifier, and further decompose oxygen compatibility pool and do not divide thoroughly
Mineralized nitrogen is nitrate nitrogen by the pollutant and ammonia nitrogen of solution.
Preferably, the hollow fiber ultrafiltration membrane is the ultrafiltration membrane made of polysulfones and polyvinylidene fluoride material, in
The membrane aperture of fibre ultrafiltration film is 5~30nm.
Preferably, the sludge reflux component includes that the mud return line of membrane bioreactor bottom is arranged in and sets
The sludge reflux pump outside membrane bioreactor is set, sludge reflux pump is connect with mud return line.Mud return line and sludge
Remaining sludge behind the buffer area of membrane bioreactor and reaction zone processing sewage is back to oxygen compatibility pool respectively and become reconciled by reflux pump
Oxygen pond maintains the sludge total amount in pond to supplement the consumption of sludge.
The beneficial effects of the utility model are:
A kind of coal mine Domestic sewage treatment plant of the utility model, is compounded with biomembrane and film biological treatment system
System, plant area is small, and operating cost is low, and hyperfiltration membrane assembly cleaning frequency is low in membrane bioreactor pond, and the service life is long；The device is special
The coal mine sanitary sewage that low concentration Shi Yu not handled, reaches recycle water standard, and excess sludge is not generated in treatment process,
The aging sludge of reflux can be used as the carbon source that denitrification process Institute of Micro-biology needs in anoxic phases, reach the effect of sludge itself consumption
Fruit.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model.
In figure: 1, elevator pump, 2, electromagnetic flowmeter, 3, effluent weir, 4, simultaneous oxygen filler, 5, water inflow nozzle, 6, penstock,
7, water inlet impact-absorbing shell, 8, aerobic combination filler, 9, detachable aeration tube, 10, blower, 11, buffer board, 12, Hollow Fiber Ultrafiltration
Film, 13, aeration flushing pump, 14, backwashing pump, 15, sludge reflux pump, 16, vacuum water pump, 17, first support, 18, second
Bracket, 19, aeration head, 20, buffer area, 21, reaction zone, 22, mud return line, 100, oxygen compatibility pool, 200, aerobic tank, 300, film
Bioreactor.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.It should be appreciated that the implementation of the utility model is not limited by the following examples, any form that the utility model is done
On accommodation and/or change fall within scope of protection of the utility model.
Embodiment:
A kind of coal mine Domestic sewage treatment plant as shown in Figure 1, including the oxygen compatibility pool 100, good set gradually
Oxygen pond 200 and membrane bioreactor 300.
The elevator pump for coal mine sanitary sewage to be pumped into oxygen compatibility pool is equipped with before coal mine Domestic sewage treatment plant
1, the pipeline between elevator pump and oxygen compatibility pool is equipped with electromagnetic flowmeter 2.
First support 17 in oxygen compatibility pool equipped with hydraulic jet component and oxygen filler 4 and for hanging simultaneous oxygen filler.And oxygen
Without aerating system in pond.Oxygen compatibility pool internal upper part is equipped with effluent weir 3, for coal mine sanitary sewage to be flowed into aerobic tank bottom with pipeline
Portion.
Hydraulic jet component includes multiple ejectors, and each ejector includes the water inflow nozzle for connecting external water inlet pipe
5, the penstock 6 that is connect with water inflow nozzle and the water inlet impact-absorbing shell 7 for covering at penstock end.The ejector can make into water
Larger flow velocity is generated, forms waterpower agitation in oxygen compatibility pool, is conducive to and oxygen sludge is mixed with the uniform of sanitary sewage.
And oxygen filler is the suspension of denitrification ecology filler, filler model MKMF-A01, and oxygen filler in first support
Height is 0.5~0.6 times of oxygen compatibility pool height, and the packing ratio of oxygen filler is 0.1~0.3.Pass through microculture and anti-nitre
Change the field planting of bacterium, denitrification ecology filler can effectively be enriched with facultative microbe, form the simultaneous oxygen of fine and close biomembrane and suspended state
Microbial synchronous effect, completes the degradation of pollutant and the removing of total nitrogen in sanitary sewage.
Aeration component, aerobic combination filler 8 and the second support 18 for hanging aerobic combination filler are equipped in aerobic tank.
Blower 10, blower connection aeration component are equipped at the top of aerobic tank.
Being aerated component includes multiple vertically disposed detachable aeration tubes 9, and each detachable aeration tube end is equipped with aeration
First 19, multiple detachable aeration tubes are connected by horizontal tracheae.
Aerobic combination filler is polyesters floating stuffing, and the packing ratio of aerobic combination filler is 0.2~0.4.Polyesters are outstanding
Floating filler can carry out the culture enrichment of decarburization bacterium and nitrifier, and further decompose pollutant and ammonia that oxygen compatibility pool does not decompose thoroughly
Mineralized nitrogen is nitrate nitrogen, then so that mixed liquor is back to the denitrification that oxygen compatibility pool completes nitrate nitrogen subsequently through sludge reflux by nitrogen
Removing.
The buffer board 11 of interlaced arrangement is equipped in membrane bioreactor, buffer board is formed adjacent to aerobic tank, multiple buffer boards
Buffer area 20 is not provided with forming reaction zone 21 inside the membrane bioreactor of buffer board.Buffer board is dirty for retaining coal mine life
Sludge in water mitigates film biosystem media area mud, extends the cleaning frequency of film, improves producing water ratio.Reaction zone is equipped with super
Filter membrane component, hyperfiltration membrane assembly include hollow fiber ultrafiltration membrane 12, the aeration flushing for being aerated washing hollow-fiber ultrafiltration membrane
Pump 13 for washing hollow-fiber ultrafiltration membrane and removes the backwashing pump 14 of surface attached biological film and for Hollow Fiber Ultrafiltration
The vacuum water pump 16 of film water outlet, the volume of hollow fiber ultrafiltration membrane account for the 40%~60% of reaction zone, aeration flushing pump, recoil
It washes pump and vacuum water pump is set to outside membrane bioreactor.Under the action of being aerated flushing, microbes are super in doughnut
Filter membrane surface forms the biomembrane of layer, and the microorganism in biomembrane can further degrade the pollution in coal mine sanitary sewage
Object, while the filtration of the swabbing action and hollow fiber ultrafiltration membrane by vacuum water pump, can remove coal mine sanitary sewage
In micro-content organism and the extracellular substance of microorganism macromolecular, profound level purification sewage.
Hollow fiber ultrafiltration membrane is set to inside reaction zone, and hollow fiber ultrafiltration membrane is by polysulfones and polyvinylidene fluoride material system
At ultrafiltration membrane, the membrane aperture of hollow fiber ultrafiltration membrane is 5~30nm.Hollow fiber ultrafiltration membrane is negatively charged, due to sludge sheet
Body is negatively charged, forms Charge repulsion between the film surface energy and sludge, and sludge is effectively avoided to be attached to film surface bring film
Hole plug problem reduces the cleaning frequency of film.
Membrane bioreactor is additionally provided with for by the sludge reflux component of sludge reflux to oxygen compatibility pool and aerobic tank, sludge to be returned
Stream component includes the mud return line 22 that membrane bioreactor bottom is arranged in and the sludge being arranged in outside membrane bioreactor
Reflux pump 15, sludge reflux pump is connect with mud return line.Mud return line and sludge reflux pump delaying membrane bioreactor
Remaining sludge is back to oxygen compatibility pool and aerobic tank respectively after rushing area and reaction zone processing sewage, to supplement the consumption of sludge,
Maintain the sludge total amount in pond.
Use the coal mine Domestic sewage treatment plant carry out the processing of coal mine sewage reuse method include with
Lower step:
(1) it pre-processes: the coal mine sanitary sewage mixed under room temperature being removed into oil removal through grid and air bearing pretreatment, is reached
COD < 300mg/L, SS < 100mg/L, ammonia nitrogen < 70mg/L, total phosphorus < 10mg/L store spare；
(2) oxygen compatibility pool is handled: the coal mine sanitary sewage of step (1) is promoted by oxygen compatibility pool bottom by elevator pump into simultaneous
Oxygen pond, when coal mine Domestic sewage treatment plant brings into operation, activated sludge is added into oxygen compatibility pool keeps sludge in pond dense
Degree is maintained at 3~5g/L；Initial operating stage adds denitrifying bacteria into oxygen compatibility pool and is colonized, add ratio be 0.02~
0.05kg/m3；Initial operating stage adds glucose carbon source into oxygen compatibility pool, carries out actication of culture and promotes microbial activity, adds
Concentration is 100~200mg/L；Utilize the dissolved oxygen in phegma by dissolved oxygen concentration tune in oxygen compatibility pool by sludge reflux component
For section in 0.3~1.0mg/L, making HRT (hydraulic detention time) of the coal mine sanitary sewage in oxygen compatibility pool is 4~8h；
(3) aerobic tank is handled: the coal mine sanitary sewage of step (2) enters aerobic tank, will be in aerobic tank by aeration component
Dissolved oxygen concentration maintains 3.0mg/L or more, and nitrobacteria is added into aerobic tank, enhances ammonia nitrogen removal ability, adds ratio
For 0.01~0.03kg/m3；Sludge concentration is set in aerobic tank to reach 7g/L or more from 2 initial~4g/L；Keep coal mine life dirty
HRT of the water in oxygen compatibility pool is 3~6h；
(4) Membrane Bioreactor for Wastewater Treatment: the coal mine sanitary sewage of step (3) enters buffer area, and sludge therein is trapped
It sinks with temporary；Coal mine sanitary sewage containing a small amount of sludge enters reaction zone, is acted on using hollow fiber ultrafiltration membrane, and muddy water is separated；
Flushing pump is normally opened that dissolved oxygen concentration in pond is maintained 2.0~4.0mg/L and rinses out the biomembrane of aging for aeration；Backwashing pump
It opened every 30~50 days and once hollow fiber ultrafiltration membrane is backwashed, remove the tamper on film and restore the logical of film
Amount；Sludge reflux component is normally opened to be back to oxygen compatibility pool and aerobic for remaining sludge behind buffer area and reaction zone processing sewage respectively
Pond makes the return sludge ratio 1.0~3.0 of oxygen compatibility pool, makes the return sludge ratio 0.5~2.0 of aerobic tank；Coal mine sanitary sewage
HRT in membrane bioreactor is 4~6h, and final outflow water is made to reach COD < 60mg/L, BOD5< 10mg/L, coloration < 30, ammonia
Nitrogen < 10mg/L, total phosphorus < 1mg/L.
After processing in the processing unit and method 5 weeks continuous to certain coal mine sanitary sewage, water quality is detected, the results are shown in Table 1.
The inlet flow-patterm of processing test is controlled 7.5~8.5.
Certain the coal mine sanitary sewage disposal catalog data of table 1
| Water quality indicator | pH | COD | BOD5 | NH3-N | Total P |
| 0 week | 6.8 | 277 | 82 | 53 | 4 |
| 1 week | 7.1 | 42.3 | 5.9 | 1.2 | 0.4 |
| 2 weeks | 7.3 | 33.7 | 4.1 | 0.5 | 0.3 |
| 3 weeks | 6.6 | 15.5 | 7.1 | 0.8 | 0.6 |
| 4 weeks | 6.9 | 24.2 | 5.4 | 2.1 | 0.3 |
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (7)
1. a kind of coal mine Domestic sewage treatment plant, it is characterised in that: the coal mine Domestic sewage treatment plant
Including the oxygen compatibility pool, aerobic tank and membrane bioreactor set gradually；
First support in the oxygen compatibility pool equipped with hydraulic jet component and oxygen filler and for hanging simultaneous oxygen filler, waterpower
Fluidic module includes multiple ejectors；
Aeration component, aerobic combination filler and the second support for hanging aerobic combination filler are equipped in the aerobic tank；
The buffer board of interlaced arrangement is equipped in the membrane bioreactor, buffer board is formed adjacent to aerobic tank, multiple buffer boards
Buffer area is not provided with forming reaction zone inside the membrane bioreactor of buffer board, and reaction zone is equipped with hyperfiltration membrane assembly, ultrafiltration membrane group
Part includes hollow fiber ultrafiltration membrane, the aeration flushing pump for being aerated washing hollow-fiber ultrafiltration membrane, for washing hollow-fiber
Ultrafiltration membrane simultaneously removes the backwashing pump of surface attached biological film and the vacuum water pump for hollow fiber ultrafiltration membrane water outlet, hollow
Fiber ultrafiltration membrane is set to inside reaction zone, and aeration flushing pump, backwashing pump and vacuum water pump are set to outside membrane bioreactor,
The membrane bioreactor is additionally provided with for by the sludge reflux component of sludge reflux to oxygen compatibility pool and aerobic tank.
2. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: the jet stream
Device includes for connecting the water inflow nozzle of external water inlet pipe, the penstock connecting with water inflow nozzle and covering at penstock end
The water inlet impact-absorbing shell in portion.
3. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: the simultaneous oxygen
Filler is denitrification ecology filler, and oxygen filler in 0.5 ~ 0.6 times that the suspension height of first support is oxygen compatibility pool height, and oxygen
The packing ratio of filler is 0.1 ~ 0.3.
4. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: the aeration
Component includes multiple vertically disposed detachable aeration tubes, and each detachable aeration tube end is equipped with aeration head, multiple detachable
Aeration tube is connected by horizontal tracheae.
5. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: described is aerobic
Composite filling is polyesters floating stuffing, and the packing ratio of aerobic combination filler is 0.2 ~ 0.4.
6. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: described is hollow
Fiber ultrafiltration membrane is the ultrafiltration membrane made of polysulfones and polyvinylidene fluoride material, the membrane aperture of hollow fiber ultrafiltration membrane is 5 ~
30nm。
7. a kind of coal mine Domestic sewage treatment plant according to claim 1, it is characterised in that: the sludge
Reflux assembly includes the mud return line that membrane bioreactor bottom is arranged in and the sludge being arranged in outside membrane bioreactor
Reflux pump, sludge reflux pump are connect with mud return line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129741.6U CN209442818U (en) | 2018-12-18 | 2018-12-18 | A kind of coal mine Domestic sewage treatment plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822129741.6U CN209442818U (en) | 2018-12-18 | 2018-12-18 | A kind of coal mine Domestic sewage treatment plant |
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| Publication Number | Publication Date |
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| CN209442818U true CN209442818U (en) | 2019-09-27 |
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| CN201822129741.6U Active CN209442818U (en) | 2018-12-18 | 2018-12-18 | A kind of coal mine Domestic sewage treatment plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437400A (en) * | 2018-12-18 | 2019-03-08 | 山西潞安集团余吾煤业有限责任公司 | A kind of coal mine sewage reuse processing unit and method |
-
2018
- 2018-12-18 CN CN201822129741.6U patent/CN209442818U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437400A (en) * | 2018-12-18 | 2019-03-08 | 山西潞安集团余吾煤业有限责任公司 | A kind of coal mine sewage reuse processing unit and method |
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