CN206872514U - Double inversed baffled formula continuous flow reactors of biofilter material - Google Patents
Double inversed baffled formula continuous flow reactors of biofilter material Download PDFInfo
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- CN206872514U CN206872514U CN201720506945.XU CN201720506945U CN206872514U CN 206872514 U CN206872514 U CN 206872514U CN 201720506945 U CN201720506945 U CN 201720506945U CN 206872514 U CN206872514 U CN 206872514U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model provides a kind of double inversed baffled formula continuous flow reactors of biofilter material, preliminary sedimentation tank, reaction tank, second pond and filtering ponds is combined, to reduce the complexity of floor space and technique.In multiple cells, second left end first, left end second, right-hand member first, right-hand member cell are equipped with filtrate；Second cell of right-hand member water inlet and right-hand member connects, and the top of the filtrate in the cell；Left end delivery port connects with left end first cell, and the lower section of the filtrate in the cell；Second cell of left end water inlet and left end connects, and the top of the filtrate in the cell；Right-hand member delivery port connects with right-hand member first cell, and the lower section of the filtrate in the cell；Agitating device is installed in left end second and second cell of right-hand member；In addition to the cell of high order end and low order end, the bottom of remaining each cell is mounted on aerator.
Description
Technical field
Utility model is related to a kind of inversed baffled formula continuous flow reactor of double biofilter materials, is given up for treatment of Power desulfurization
Water.
Background technology
Be in leading position in the primary energy consumption in China is coal, accounts for 75% or so, coal-fired station
It is the important sources that caused flue gas is atmosphere pollution.Coal burning directly discharge caused by oxysulfide (mainly SO2)、
Nitrogen oxides (NOx) acid rain can be formed under certain meteorological condition, substantial amounts of dust can be also produced, threatens surrounding air
Quality and the Green Sustainable for destroying economic society, influence Living consumption.With to environmental protection requirement increasingly
Improve, existing relevant laws and regulations also require to carry out desulphurization denitration processing to flue gas of power plants.
In current coal-fired flue gas desulfurization technology, Gypsum Wet is the technology (HJ/T that China widelys popularize
179-2005 flue gas desulphurization engineering legislation limestone/lime-gypsum methods).Because this technology is applied to
Common coal, there is more than 90% effect desulfurization degree, more than 95% system reclamation rate and more than 90% absorbent utilization rate, this
Process runs well, and lime stone wide material sources are covered, it is cheap.But wet desulphurization can produce desulfurization wastewater, and desulfurization is given up
Water constituent is complicated, mainly sulphite (the SO including suspended solid (SS), high concentration3 2-), sulfate (SO4 2-), chloride
(Cl-) and micro heavy metal ion (Hg, As, Cr, Ni, Pb etc.).And the main component of suspension is SiO2, Fe and Al
Hydroxide, gypsum particle etc.；Cation in desulfurization wastewater is mainly Ca2+、Al3+、Fe3+Plasma.It is basic in desulfurization wastewater
Organic pollution, but all equal superelevation of the agriculture of inorganic pollution are not contained《Integrated wastewater discharge standard》(GB8978-1996)
Specified in discharge index.
Because the characteristic of this high salinity of desulfurization wastewater, general desulfurization wastewater are not allow to be directly discharged to water under municipal administration
Road pipe network, and thermal power plant environmental requirement of today is very high, often requires that waste water realizes zero-emission.Small-sized thermal power plant
Desulfurization wastewater reuse is also a problem, and in general reuse approach is as the sprinkling of coal canopy and lime-ash humidification.But because desulfurization wastewater contains
Salt amount is high, easy for spraying coal canopy, and coal is to enter boiler of power plant to burn again, certainly will be by the salinity in desulfurization wastewater again
Bring boiler into, form smog steam, cause the corrosion to boiler inner wall, influence boiler service life；And domestic lime-ash is often
Recycling, for manufacturing cement etc., therefore the quality that can influence cement is humidified using desulfurization wastewater.For large-scale thermal power
Factory, desulfurization wastewater typically by evaporative crystallization after chemical treatment, by after alkaline chemical precipitation again by equipment such as counter-infiltration, ultrafiltration,
Finally it is evaporated and realizes separation of solid and liquid.The method cost of investment is huge, it is necessary to invest numerous reaction units, floor space
Greatly；And processing cost is huge in being run in the later stage, and according to relevant report, the processing cost of desulfurization wastewater per ton is 43.7 yuan.
Therefore cost turns into the principal element that limitation evaporative crystallization is applied in practical sulphur removal waste water engineering.
Activated sludge process is quite ripe in sewage treatment area, and activated sludge process has simple to operate, Cheap highly effective,
The features such as later stage operating cost is low, and limit traditional activated sludge process apply to most important obstacle in desulfurization wastewater have it is following several
Point：1. traditional active sludge is poor to the poison resistance of poisonous and harmful waste water, desulfurization wastewater has inhibitory action to the activity of microorganism；
2. it is few containing labile organic compound in desulfurization wastewater, sufficient concentrations of activated sludge can not be cultivated；What 3. activated sludge process included
Processing unit is more, including preliminary sedimentation tank, reaction tank 4, second pond etc., and floor space is big.And utilize aerobic particle mud technical finesse
The desulfurization wastewater application without Practical Project substantially.
For problem above, desulfurization wastewater is now handled using aerobic particle mud method.First, sanitary sewage caused by power plant
Carbon source containing abundance, can by a certain percentage mix with desulfurization wastewater, can not only reduce the concentration of desulfurization wastewater but also can mitigate
The load of municipal sanitary sewage pipe network.And aerobic particle mud has that settling property is good, biomass is big, biology strong, anti-impact living
The advantages that load-bearing capacity is strong, antitoxin sexuality is strong is hit, adapts to various water quality.Root according to reports indicate that, certain salinity energy
Promote the formation of aerobic particle mud, the suspended solid (SS) in water can provide load for the formation at aerobic particle mud initial stage
Body, and the salinity and can in water provides inorganic nucleus for particle.In addition it is also beneficial in water containing certain poisonous and harmful substance
The formation of aerobic particle mud, because noxious material in water, cell can be stimulated to secrete Extracellular polymers (EPS), and extracellular poly
Thing serves the effect of adhesive in the forming process of aerobic particle mud.Therefore after being mixed with sanitary sewage and desulfurization wastewater
Sewage as water source be aerobic particle mud culture good water sources, and the aerobic particle mud and can after being formed effectively is fitted
Water quality should be planted, efficiently handles sewage.
Traditional continuous flow reactor, as shown in the Chinese patent of Application No. 200810062349.2, be by preliminary sedimentation tank,
Reaction tank, second pond and filtering ponds separate, and cause that floor space is big, complex process.
Utility model content
The purpose of this utility model is to overcome above shortcomings in the prior art, and provides a kind of structure design and close
The inversed baffled formula continuous flow reactor of double biofilter materials of reason, preliminary sedimentation tank, reaction tank, second pond and filtering ponds are combined,
To reduce the complexity of floor space and technique.
The technical scheme in the invention for solving the above technical problem is：A kind of inversed baffled formula of double biofilter materials is continuous
Flow reactor, including main body, folded plate and filtrate；Reaction tank is provided with main body；Folded plate is fixed in main body；Folded plate is polylith, according to
It is secondary to be staggered up and down, reaction tank is from left to right separated into multiple cells successively；It is characterized in that：Described multiple units
In lattice, second left end first, left end second, right-hand member first, right-hand member cell are equipped with filtrate；Main body is provided with the right side
Hold water inlet, left end delivery port, left end water inlet and right-hand member delivery port；Second cell of right-hand member water inlet and right-hand member connects,
And the top of the filtrate in the cell；Left end delivery port connects with left end first cell, and is located at the cell
In filtrate lower section；Second cell of left end water inlet and left end connects, and the top of the filtrate in the cell；
Right-hand member delivery port connects with right-hand member first cell, and the lower section of the filtrate in the cell；In left end second and
Agitating device is installed in second cell of right-hand member；In addition to the cell of high order end and low order end, remaining each cell
Bottom is mounted on aerator.
In multiple cells described in the utility model, left end first, left end second, right-hand member first, right-hand member
Two cells are filtering settling zone.
Filtrate described in the utility model is biofilter material.
The height of the utility model filtrate is the 3/5 of the height for reactor.
The utility model compared with prior art, has advantages below and effect：
（1）Using the method processing desulfurization wastewater of biological treatment, the processing cost of desulfurization wastewater can be greatly reduced.
（2）Successfully realize and build preliminary sedimentation tank, reaction tank, second pond and filtering ponds jointly, reduce floor space and technique
Complexity.
（3）Can be by the characteristics of high salinity, poisonous and harmful substance, promoting in Controlling operation method and utilization desulfurization wastewater
The formation of oxygen granule sludge, turn out the aerobic particle mud with preferable adaptability；Have simultaneously using aerobic particle mud
The features such as mithridatism is good, bioactivity is strong, handle desulfurization wastewater.
（4）The structure of the inversed baffled formula continuous flow reactor of tradition is changed, is changed to by original lattice filtering settling zone
Each two lattice filtering settling zone in left and right end, and it is respectively put into filtrate in this two lattice filters settling zone；Water inlet also from it is original most
The mode of end water inlet is changed into from the second cell water inlet of left end second or right-hand member.Intake from left end second or right-hand member
Second cell enters, and is once filtered, instead of the effect of preliminary sedimentation tank.Water side devise two filtering settling zones and
Two filtering areas, one being the time of contact for increasing biofilter material and water outlet in order to ensure effluent quality, also can be attached in filtrate
Microorganism, ultimately forms bioactive filter material, poisonous and harmful substance that can further in adsorption treatment water, two is previous to avoid
Cycle be trapped under suspended material with water outlet outflow system.
（5）For the disposal for preferably cultivating aerobic particle mud to realize to desulfurization wastewater, operation is using left and right alternating
Water inlet, left and right end alternating can be controlled to be divided into first half cycle to reactor water inlet or water outlet, therefore reaction time by time-controlled system
With the later half cycle, first half cycle is turned left into water from the right side, and the later half cycle intakes from left to right, and the time of Inlet and outlet water can pass through tune
Time on whole time switch is adjusted.Such method of operation can avoid traditional continuous flow reactor from needing the dirt that flows back
Mud, sludge self-loopa in reactor is realized, while such water intake mode is also beneficial to form Feast-famine mechanism, has
Beneficial to the formation of aerobic particle mud.
Brief description of the drawings
Fig. 1 is the main structure diagram of utility model, and the processing waster water process in figure is in first half cycle.
Fig. 2 is also the main structure diagram of utility model, and the processing waster water process in figure is in the later half cycle.
Embodiment
It is described in further detail below in conjunction with the accompanying drawings and by embodiment to utility model, following examples are to reality
With new explanation, utility model is not limited to following examples.
Referring to Fig. 1 and Fig. 2, the present embodiment includes main body 3, aerator 5, agitating device 6, filtrate 7, folded plate 8, right-hand member and entered
The mouth of a river 1, left end delivery port 2, left end water inlet 9 and right-hand member delivery port 10.
Reaction tank 4 is provided with main body 3.
Folded plate 8 is fixed in main body 3, and its both sides and the madial wall of main body 3 are tightly connected.Folded plate 8 is polylith, successively on
Under be staggered, the reaction tank 4 in main body 3 is from left to right separated into multiple cells successively.In per adjacent two blocks of folded plates 8,
The bottom of one of folded plate 8 is tightly connected with the inner bottom wall of main body 3, and top is less than the working depth of reaction solution in reaction tank 4,
The spacing for allowing reaction solution to circulate is left between the bottom of another block of folded plate 8 and the inner bottom wall of main body 3, top is higher than in reaction tank 4
The working depth of reaction solution.This structure, distance and residence time that reaction solution flows through are added, sewage is fully divided
Solution.
In multiple cells, second left end first, left end second, right-hand member first, right-hand member cell were
Settling zone is filtered, remaining cell is reaction zone；Stirring dress is installed in left end second and second cell of right-hand member
6 are put, realizes the effect of plug-flow.Filtrate 7 is equipped with each filtering settling zone.The height of filtrate 7 is the height for reactor
3/5, guarantee has certain precipitate height.
In utility model, left end first cell is the cell of high order end, second cell of left end and left end the
One cell is adjacent；Right-hand member first cell is the cell of low order end, second cell of right-hand member and right-hand member first
Cell is adjacent.
In addition to the cell of high order end and low order end, the bottom of remaining each cell is mounted on aerator 5.Work
When, the aerator 5 for filtering settling zone is controlled start and stop by time switch, and the aerator 5 of reaction zone is constantly in startup fortune
Row state.
Main body 3 is provided with right-hand member water inlet 1, left end delivery port 2, left end water inlet 9, right-hand member delivery port 10.Right-hand member is intake
Mouth 1 connects with the upper end of second cell of right-hand member, and the top of the filtrate 7 in the cell.Left end delivery port 2 and a left side
Hold the lower end connection of first cell, and the lower section of the filtrate 7 in the cell.Left end water inlet 9 and left end second
The upper end connection of individual cell, and the top of the filtrate 7 in the cell.Right-hand member delivery port 10 and first unit of right-hand member
The lower end connection of lattice, and the lower section of the filtrate 7 in the cell.
A kind of processing waster water process of the inversed baffled formula continuous flow reactor of double biofilter materials, motion time is former and later two
Half period, first half cycle are turned left into water from the right side, are intake and are intake since the second lattice filter tank of right-hand member, the later half cycle enters from left to right
Water, intake and intake since the second lattice filter tank of left end.Two cells for having filtrate 7 of first half cycle low order end serve filter
Pond acts on and the effect of preliminary sedimentation tank, and sewage reacts into reaction tank 4, has to two of high order end and is carried out in the cell of filtrate pair
Heavy filtration and precipitation, finally from lower end water outlet；Two cells for having filtrate of later half cycle high order end serve filter tank effect
And the effect of preliminary sedimentation tank, sewage react into reaction tank 4, have to two of low order end in the cell of filtrate and carry out double filtration
And precipitation, finally from lower end water outlet.Specifically carry out as follows：
（1）First half cycle：Turned left from the right side into water, the agitating device 6 in second cell of right-hand member is opened, left end second
Agitating device 6 in cell is closed；Aerator 5 in second cell of right-hand member is opened, in second cell of left end
Aerator 5 close, the aerator 5 in remaining element lattice（That is the aerator 5 of reaction zone）Open；
Desulfurization wastewater enters in second cell of right-hand member of reaction tank 4 from right-hand member water inlet 1 first, then desulfurization wastewater
The filtrate 7 in settling zone is filtered by the cell to filter, the larger suspended material of particle diameter is trapped, without preliminary sedimentation tank, simultaneously
The nucleus of culture aerobic particle mud 11 can be turned into the metal ion of reaction tank 4 and less suspended material；With reaction
Progress, substantial amounts of aerobic particle mud 11 is stirred device 6 and pushes in the filtering settling zone of second cell of left end, by
Filtrate 7 is provided with the filtering settling zone, aerobic particle mud 11 is trapped in the filtering by the filtrate 7 of the filtering settling zone and precipitated
Accumulation area is formed in area；The desulfurization wastewater major part heavy metal after biochemical treatment and poisonous and harmful substance are inhaled by filtrate simultaneously
It is attached, and remaining heavy metal ion, by the highdensity accumulation area of aerobic particle mud 11, again by once adsorbing, and lead to
The double filtration of filtrate 7 and absorption crossed in second cell filtering settling zone of left end first and left end, further reduce water
In heavy metal ion and harmful components；Final outflow water is from the outflow reactor of left end delivery port 2.
（2）The later half cycle：Intake from left to right, the agitating device 6 in second cell of right-hand member is closed, left end second
Agitating device 6 in cell is opened；Aerator 5 in second cell of right-hand member is closed, in second cell of left end
Aerator 5 open, the aerator 5 in remaining element lattice（That is the aerator 5 of reaction zone）Open；
Waste water enters in second cell of left end of reaction tank 4 from left end water inlet 9, and then desulfurization wastewater passes through the list
Filtrate 7 in first lattice filtering settling zone is filtered, and the larger suspended material of particle diameter is trapped, and part heavy metal and harmful components are inhaled
It is attached, and enter in the accumulation area for the aerobic particle mud 11 that first half cycle is formed, now due in second cell of left end
Filtering settling zone in have accumulated highdensity aerobic particle mud 11, now aerobic particle mud 11 is sufficiently mixed with waste water,
Because the specific surface area of aerobic particle mud 11 is big, heavy metal and harmful substance in substantial amounts of fine suspension, water can be adsorbed；With
The progress of reaction, in the presence of agitating device 6, waste water is pushed further towards right-hand member with aerobic particle mud 11, and process is several
Cell, final substantial amounts of aerobic particle mud 11 are deposited in the filtering settling zone of second cell of right-hand member, but at this
Filtering settling zone is provided with filtrate 7, and aerobic particle mud 11 is trapped in the filtering settling zone by the filtrate 7 of the filtering settling zone
It is interior；Desulfurization wastewater major part heavy metal after biochemical treatment and poisonous and harmful substance be by biological adsorption simultaneously, and remaining
Heavy metal ion, by the highdensity accumulation area of aerobic particle mud 11, again by once adsorbing, and pass through right-hand member first
With the double filtration of filtrate 7 and absorption of second cell of right-hand member, the heavy metal ion and harmful components in water are further reduced,
Final outflow water is by the outflow reactor of right-hand member delivery port 10.
Above content described in this specification is only to utility model structure example explanation；It is moreover, real
The title taken with new each several part can also be different, all that described construction, feature and principle institute are conceived according to utility model patent
The equivalent or simple change done, is included in the protection domain of utility model patent.
Claims (4)
1. a kind of inversed baffled formula continuous flow reactor of double biofilter materials, including main body, folded plate and filtrate；Reaction is provided with main body
Pond；Folded plate is fixed in main body；Folded plate is polylith, is staggered, reaction tank is from left to right separated into successively more up and down successively
Individual cell；It is characterized in that：In described multiple cells, left end first, left end second, right-hand member first, right-hand member
Second cell is equipped with filtrate；Main body is provided with right-hand member water inlet, left end delivery port, left end water inlet and right-hand member water outlet
Mouthful；Second cell of right-hand member water inlet and right-hand member connects, and the top of the filtrate in the cell；Left end delivery port with
Left end first cell connects, and the lower section of the filtrate in the cell；Left end water inlet and second unit of left end
Lattice connect, and the top of the filtrate in the cell；Right-hand member delivery port connects with right-hand member first cell, and is located at and is somebody's turn to do
The lower section of filtrate in cell；Agitating device is installed in left end second and second cell of right-hand member；Except high order end
Outside the cell of low order end, the bottom of remaining each cell is mounted on aerator.
2. the inversed baffled formula continuous flow reactor of double biofilter materials according to claim 1, it is characterised in that：Described is more
In individual cell, second left end first, left end second, right-hand member first, right-hand member cell are filtering settling zone.
3. the inversed baffled formula continuous flow reactor of double biofilter materials according to claim 1, it is characterised in that：Described filter
Expect for biofilter material.
4. the inversed baffled formula continuous flow reactor of double biofilter materials according to claim 1, it is characterised in that：The height of filtrate
Spend for the 3/5 of the height for reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506945.XU CN206872514U (en) | 2017-05-09 | 2017-05-09 | Double inversed baffled formula continuous flow reactors of biofilter material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720506945.XU CN206872514U (en) | 2017-05-09 | 2017-05-09 | Double inversed baffled formula continuous flow reactors of biofilter material |
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| Publication Number | Publication Date |
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| CN206872514U true CN206872514U (en) | 2018-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032483A (en) * | 2017-05-09 | 2017-08-11 | 中国联合工程公司 | Double inversed baffled formula continuous flow reactors of biofilter material and its processing waster water process |
-
2017
- 2017-05-09 CN CN201720506945.XU patent/CN206872514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107032483A (en) * | 2017-05-09 | 2017-08-11 | 中国联合工程公司 | Double inversed baffled formula continuous flow reactors of biofilter material and its processing waster water process |
| CN107032483B (en) * | 2017-05-09 | 2022-11-11 | 中国联合工程有限公司 | Double-biological-filter-material reverse baffling type continuous flow reactor and wastewater treatment process thereof |
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Address after: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Patentee after: United Engineers Ltd in China Address before: The city of Hangzhou city of Zhejiang Province, 310022 Stonebridge Road No. 338 Patentee before: China Lianhe Engineering Co., Ltd., China |