CN202881062U - Chemical and pharmaceutical wastewater treatment system - Google Patents
Chemical and pharmaceutical wastewater treatment system Download PDFInfo
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- CN202881062U CN202881062U CN 201220608432 CN201220608432U CN202881062U CN 202881062 U CN202881062 U CN 202881062U CN 201220608432 CN201220608432 CN 201220608432 CN 201220608432 U CN201220608432 U CN 201220608432U CN 202881062 U CN202881062 U CN 202881062U
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Abstract
The utility model discloses a chemical and pharmaceutical wastewater treatment system which comprises a water collecting and regulating tank, a coagu-flocculation reaction sedimentation basin, an anaerobic baffled reactor (ABR), a split type tubular membrane bioreactor and a coagulant aid adding device, wherein the coagulant aid adding device is utilized to inject a coagulant aid into the coagu-flocculation reaction sedimentation basin; the split type tubular membrane bioreactor comprises an aerobic tank and a tubular membrane component; and the sewage in the water collecting and regulating tank is pumped into the coagu-flocculation reaction sedimentation basin through a sewage lift pump, the supernate obtained after sedimentation enters the ABR, and the water treated by the ABR enters the aerobic tank, and then enters the tubular membrane component. The sewage treatment system disclosed by the utility model is simple in technology and small in floor area, and reduces the capital cost, the land utilization area and the operating cost. The ABR with high efficiency removes hardly degradable substances in the wastewater such as phenols, and finally the tubular membrane bioreactor is utilized to finely filtrate and decontaminate, so that the chemical pharmaceutical wastewater treatment system has few parts, and is long in stable operation time and simple to control.
Description
Technical field
The utility model relates to technical field of sewage, particularly relates to a kind of chemical pharmaceutical Waste Water Treatment.
Background technology
Along with the developing rapidly of pharmaceutical industry, the pharmacy waste water pollution problem has been subject to the attention of the developed countries such as Europe, the U.S. and Japan after mid-term in 20 century.Because pharmacy waste water has the complexity of composition, organic pollutant category is many, concentration is high, toxicity is large, colourity is dark and the saltiness high; and become domestic and international unmanageable high concentrated organic wastewater; also to be that China pollutes the most serious, one of the most unmanageable trade effluent, and how processing such waste water is the difficult problem that current environment protection faces.
At present, the treatment process that pharmaceutical industry waste water is commonly used mostly is greatly: physico-chemical process, chemical method, biochemical process, other combination procesies etc.Physico-chemical process mainly comprises By Bubble-floating Method, absorption method, extraction process etc.Absorption method is the most original method, and is better for the hardly degraded organic substance treatment effect, but the reproduction ratio of the sorbent materials such as gac is difficult, causes processing cost higher.
Chemical treatment method mainly comprises Coagulation Method, Fe-C facture, high-level oxidation technology etc.Chemical oxidization method is consuming time few, and technique is simple, and is simple to operate, but oxygenant is expensive, and processing cost is high, and some material can not thoroughly be degraded, and causes secondary pollution.
Biologic treating technique mainly comprises aerobic method, anaerobic process and anaerobism one aerobic combination processing worker.Aerobic biological treatment process mainly contains activated sludge process, oxidation ditch and SBR method etc.Because aerobic process settling tank solid-liquid separation efficiency, so be difficult to keep the mud of higher concentration in the aeration tank, cause the treatment unit volumetric loading low, floor space is large, and initial cost is considerable; Because surplus sludge volume is large, the sludge disposal expense is higher; The sludge bulking phenomenon often appears in this technique, makes effluent quality not ideal enough and unstable; And flow process is complicated, and bookkeeping is manageability not.The experimental study that anaerobic treatment process is processed for pharmacy waste water is more, Practical Project is few, major cause is that this technique starting period is very long, though COD is had certain clearance, but can't make water outlet up to standard, and anaerobic reactor operation operating requirement is strict, needs temperature, pH value, inhibition factor and impact load are carried out strict monitoring, has increased the difficulty of operation.
The utility model content
The purpose of this utility model is for the technological deficiency that exists in the prior art, and a kind of chemical pharmaceutical Waste Water Treatment is provided.
For realizing that the technical scheme that the purpose of this utility model adopts is:
A kind of chemical pharmaceutical Waste Water Treatment, comprise the equalizing tank that catchments, the coagulating settling tank, anaerobic baffled reactor, split-type tube type membrane bioreactor and in order to coagulant aids is injected the coagulant aids adding set of coagulating settling tank, described split-type tube type membrane bioreactor comprises Aerobic Pond and tubular membrane component, wherein, the interior sewage of equalizing tank that catchments enters the coagulating settling tank through sewage pump, supernatant liquor after the precipitation enters anaerobic baffled reactor, water after anaerobic baffled reactor is processed enters Aerobic Pond, then enter tubular membrane component, clear water discharging after tubular membrane component filters, concentrated solution is back to Aerobic Pond.
Described coagulating settling tank is divided into reaction tank and settling tank two portions that the middle and lower part is communicated with, and is provided with agitator in the described reaction tank, and described settling tank is tube settler.
The settling tank bottom of described coagulating settling tank is back taper.
Also comprise the sludge sump that coagulating settling tank bottom mud can be drawn by sludge pipe, the supernatant liquor in the sludge sump is back to the equalizing tank that catchments.
The liquid level of described coagulating settling tank, anaerobic baffled reactor, Aerobic Pond reduces successively, the liquid level of described sludge sump is higher than the equalizing tank that catchments, simultaneously, inwall top at coagulating settling tank, anaerobic baffled reactor, Aerobic Pond and sludge sump is provided with the flooded zonevvv that is made of annular overflow weir, and the water in the flooded zonevvv flows into next treating pond.
Compared with prior art, the beneficial effects of the utility model are:
Sewage treatment systems technique of the present utility model is simple, reduces capital cost, and floor space is few, reduces greatly land use area, has reduced running cost.The coagulating of leading portion only need add an amount of molysite and the PAM coagulant aids carries out simple pre-treatment to waste water, with materials harmful to microorganism such as the sulfide in the removal waste water, heavy metal ion.The ABR high efficiency reactor is removed the hard-degraded substances such as phenols in the waste water, improves the biodegradability of sewage, removes part COD, and it is dirty to utilize at last the tubular membrane bio-reactor to carry out smart elimination, and parts are controlled simply less, and the smooth running time is long.
Description of drawings
Figure 1 shows that chemical pharmaceutical Waste Water Treatment structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, a kind of chemical pharmaceutical Waste Water Treatment of the present utility model, comprise the equalizing tank 1 that catchments, coagulating settling tank 2, anaerobic baffled reactor 3, split-type tube type membrane bioreactor and in order to coagulant aids is injected the coagulant aids adding set of coagulating settling tank, described split-type tube type membrane bioreactor comprises Aerobic Pond 4 and tubular membrane component 5.
Wherein, the described equalizing tank 1 that catchments plays balanced amount of inlet water and water quality effect, it can be regulated inhomogeneous treatment system is produced of discharge of wastewater and impact, in the described equalizing tank that catchments sewage pump is set also simultaneously, catchmenting equalizing tank can be so that the sewage in it be even, avoid the processing that produces in the water treatment procedure of different pollution levels inhomogeneous, affect decontamination effect improving.
The equalizing tank 1 interior sewage that catchments enters coagulating settling tank 2 through sewage pump, in the coagulating settling tank, fully mix also flocculation sediment by coagulant aids adding set adding molysite and polymer coagulant aids, with materials harmful to microorganism such as the sulfide in the removal waste water, heavy metal ion.Wherein, described coagulant aids adding set comprises the medicinal cupping that holds coagulant aids and the pump that the coagulant aids in the medicinal cupping can be injected the coagulating settling tank.
Specifically, the divided wall 21 of described coagulating settling tank is divided into reaction tank and settling tank two portions that the middle and lower part is communicated with, be provided with agitator 22 in the described reaction tank, agitator can improve the mixed effect of sewage and coagulant aids, described settling tank is the tube settler that is provided with inclined tube 23 in the settling region, specifically, the parallel pipe or the parallelpiped (or utilizing the honeycomb filler) that utilize in the settling region of flat flow or vertical sedimentation basin are divided into a series of shallow layer precipitating layers, and processed and heavy mud sedimentation is mutually motion and separating in each precipitation shallow-layer.Be divided into contrary (different) to stream, three kinds of different separate modes of concurrent and reverse flow according to its mutual direction of motion.(or in parallel pipe) is equivalent to a very shallow settling tank between per two inclined paralled plates.Its advantage is: utilized lamina flow principle, improved the processing power of settling tank; Shorten the particles settling distance, thereby shortened sedimentation time; Increase the desilting area of settling tank, thereby improved processing efficiency.
The settling tank bottom of described coagulating settling tank is back taper.The settling tank bottom of stating is formed with back taper mud pooling zone 24 with interim storage mud, and the inverted-cone cavity design has improved the gravity squeezing action, improves sewage sludge solid concentration.Preferably, described coagulating settling tank bottom is back taper, and the inverted-cone cavity design has improved the gravity squeezing action, improves sewage sludge solid concentration.
Supernatant liquor after coagulating settling tank precipitation enters anaerobic baffled reactor 3, described anaerobic baffled reactor (ABR reactor) 3 comprises the pond body and described pond body is divided into the vertical flow deflector 31 of a plurality of cascade reactions chamber, in each reaction chamber, waterpower then is similar to pulling flow type close to mixing fully in whole reactor.This not only is conducive to improve the capacity utilization of reactor, and can cultivate in different compartments relatively independently and be suitable for the separately microflora of environment, is beneficial to growing steadily of each quasi-microorganism, well anti-shock loading.And the ABR reactor need not the somewhat complex design of triphase separator, water distribution that need not be strict, and the whole system simplicity of design is convenient to use in engineering, and start time is short, and the operation operation is convenient, and processing efficiency is high.Improve the biodegradability of waste water with ABR, experiment shows that the residence time is 6 hours, and the clearance of phenol reaches more than 60%, and biodegradability has improved twice, and is very favourable to follow-up biochemical treatment.
Supernatant liquor after anaerobic baffled reactor 3 is processed enters the Aerobic Pond 4 of split-type tube type membrane bioreactor, and oxidation pond 4 is removed small-molecule substance by fixed biofilm and active sludge effect, makes it thoroughly to be degraded to carbonic acid gas and water.Biological contact oxidation process is a kind of bio membrane process between activated sludge process and biological filter, described contact-oxidation pool arranges filler in the pond, the aeration tube 41 that is communicated with gas blower 6 is set at the bottom of the pond, the air that imports through aeration tube can stir sewage, make body interior sewage in pond be in flow state, to guarantee that sewage fully contacts with filler in the sewage, avoids existing in the biological contact oxidation pond sewage to contact the defective of inequality with filler.Institute of Micro-biology on the filler is aerobic to be supplied with by aeration tube, biofilm development is to certain thickness, the microbes of filler wall carries out anaerobic metabolism because of anoxic, the souring that the gas that produces and aeration form can cause biomembranous coming off, and the growth of promotion true tumor film, at this moment, the microbial film that comes off will flow out outside the pond with water outlet.The characteristics such as that contact-oxidation pool has is energy-efficient, floor space is little, anti impulsion load, operational management are convenient, Effective Raise the energy-saving effect of whole Sewage treatment systems.Simultaneously can reduce sludge concentration in the solution, be of value to the raising membrane flux, reduce film and pollute.
Supernatant liquor in the Aerobic Pond 4 enters tubular membrane component 5 through high-pressure pump, and the water port of described tubular membrane bio-reactor is connected to outer row pipeline, and the concentrated solution relief outlet of described tubular membrane bio-reactor is communicated to Aerobic Pond by the road.Specifically, the utility model adopts separated type tubular membrane bio-reactor (TMBR), and it has the following advantages: (1) runner is wide, and feed liquid flows at intraductal turbulance, and is low to the pre-treatment accuracy requirement of feed liquid; (2) tubular membrane is easy to clean, and except available chemical reagent cleans, can also adopt mechanical means to clean; (3) physical strength is large; (4) even under high sludge concentration, still can keep larger flux, therefore compare with hollow-fibre membrane, can have higher sludge concentration; (5) pressure-losses of tubular membrane component is little, and runner is long, and filtration efficiency can improve relatively.Therefore TMBR technique is having more advantage than other MBR aspect the high concentrated organic wastewater processing.
Wherein, the Main Function of TMBR in this technique is to remove COD, and nitrated removal ammonia nitrogen is removed remaining aldehydes matter, plays simultaneously the mud-water separation effect.In experimentation, the sludge concentration among the TMBR can reach 10-20g/L, and total clearance of COD and ammonia nitrogen all can reach more than 99%, it is 20 ℃ in service temperature, intake pressure is under the 0.10MPa, and sludge concentration is 17.24g/L, and membrane flux on average reaches 71.74L/m2h.The TMBR sludge loading is 0.010-0.053kgCOD/kgMLSSd, be 1/10 of conventional activated sludge process, so its sludge yield is few, every three months to half a year spoil disposal once, reduced the sludge treatment expense.
Described tubular membrane component also comprises flush box 9 and flushing pump, utilizes the back flushing of flushing pump can be so that tubular membrane component recovers filter effect, and backwashing wastewater is communicated to wastewater equalization pond by the road.
Further, for improving treatment effect and the whole treatment system traveling comfort to mud, Sewage treatment systems of the present utility model also comprises the sludge sump 8 that coagulating settling tank bottom mud can be drawn by sludge pipe, and the supernatant liquor in the described sludge sump 8 is back to the equalizing tank that catchments again to process.
For reducing the number of times of sewage lifting, the utility model is taked the mode of flow by gravity, to reduce pump power, specifically, the liquid level of described coagulating settling tank, anaerobic baffled reactor, Aerobic Pond reduces successively, and the liquid level of described sludge sump is higher than the equalizing tank that catchments, simultaneously, inwall top at coagulating settling tank, anaerobic baffled reactor, Aerobic Pond and sludge sump is provided with the flooded zonevvv that is made of annular overflow weir, and the water in the flooded zonevvv flows into next treatment process.
Sewage treatment systems technique of the present utility model is simple, reduces capital cost, and floor space is few, reduces greatly land use area, has reduced running cost.The coagulating of leading portion only need add an amount of molysite and the PAM coagulant aids carries out simple pre-treatment to waste water, with materials harmful to microorganism such as the sulfide in the removal waste water, heavy metal ion.The ABR high efficiency reactor is removed the hard-degraded substances such as phenols in the waste water, improves the biodegradability of sewage, removes part COD, and it is dirty to utilize at last the tubular membrane bio-reactor to carry out smart elimination, and parts are controlled simply less, and the smooth running time is long.
The above only is preferred implementation of the present utility model; should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. chemical pharmaceutical Waste Water Treatment, it is characterized in that, comprise the equalizing tank that catchments, the coagulating settling tank, anaerobic baffled reactor, split-type tube type membrane bioreactor and in order to coagulant aids is injected the coagulant aids adding set of coagulating settling tank, described split-type tube type membrane bioreactor comprises Aerobic Pond and tubular membrane component, wherein, the interior sewage of equalizing tank that catchments enters the coagulating settling tank through sewage pump, supernatant liquor after the precipitation enters anaerobic baffled reactor, water after anaerobic baffled reactor is processed enters Aerobic Pond, then enter tubular membrane component, clear water discharging after tubular membrane component filters, concentrated solution is back to Aerobic Pond.
2. chemical pharmaceutical Waste Water Treatment as claimed in claim 1, it is characterized in that, described coagulating settling tank is divided into reaction tank and settling tank two portions that the middle and lower part is communicated with, and is provided with agitator in the described reaction tank, and described settling tank is tube settler.
3. chemical pharmaceutical Waste Water Treatment as claimed in claim 2 is characterized in that, the settling tank bottom of described coagulating settling tank is back taper.
4. chemical pharmaceutical Waste Water Treatment as claimed in claim 2 or claim 3 is characterized in that, also comprises the sludge sump that coagulating settling tank bottom mud can be drawn by sludge pipe, and the supernatant liquor in the sludge sump is back to the equalizing tank that catchments.
5. chemical pharmaceutical Waste Water Treatment as claimed in claim 4, it is characterized in that, the liquid level of described coagulating settling tank, anaerobic baffled reactor, Aerobic Pond reduces successively, the liquid level of described sludge sump is higher than the equalizing tank that catchments, simultaneously, inwall top at coagulating settling tank, anaerobic baffled reactor, Aerobic Pond and sludge sump is provided with the flooded zonevvv that is made of annular overflow weir, and the water in the flooded zonevvv flows into next treating pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220608432 CN202881062U (en) | 2012-11-15 | 2012-11-15 | Chemical and pharmaceutical wastewater treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220608432 CN202881062U (en) | 2012-11-15 | 2012-11-15 | Chemical and pharmaceutical wastewater treatment system |
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| CN202881062U true CN202881062U (en) | 2013-04-17 |
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| CN 201220608432 Expired - Fee Related CN202881062U (en) | 2012-11-15 | 2012-11-15 | Chemical and pharmaceutical wastewater treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875187A (en) * | 2020-08-12 | 2020-11-03 | 湘潭建源生物技术开发有限公司 | Biological treatment method for wastewater from indomethacin production |
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2012
- 2012-11-15 CN CN 201220608432 patent/CN202881062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111875187A (en) * | 2020-08-12 | 2020-11-03 | 湘潭建源生物技术开发有限公司 | Biological treatment method for wastewater from indomethacin production |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20171115 |