CN104150717A - Ozone-biological activated carbon combined water treatment simulation experimental device - Google Patents
Ozone-biological activated carbon combined water treatment simulation experimental device Download PDFInfo
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- CN104150717A CN104150717A CN201410417858.8A CN201410417858A CN104150717A CN 104150717 A CN104150717 A CN 104150717A CN 201410417858 A CN201410417858 A CN 201410417858A CN 104150717 A CN104150717 A CN 104150717A
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Abstract
The invention relates to an ozone-biological activated carbon combined water treatment simulation experimental device including an ozone contact column and an activated carbon filter column; the ozone contact column is provided with an ozone aeration pipe and an ozone aeration head, the bottom end of the ozone contact column is connected with a water inlet pipe, the top end of the ozone contact column is connected to the top end of the activated carbon filter column through an intermediate connecting pipe, the bottom end of the activated carbon filter column is connected to a water outlet pipe, and biological activated carbon is filled in the activated carbon filter column; water taking ports and activated carbon sampling ports are arranged on the activated carbon filter column every a certain height. Compared with the prior art, the water taking ports and the activated carbon sampling ports are arranged on the activated carbon filter column every a certain height, so that a water sample and an activated carbon sample of each part can be conveniently taken out, and detection and analysis are facilitated. The device can be used for study on microbial community structures of ozone-activated carbon different-height activated carbon layers, and can be used for study on removal effects of the ozone-activated carbon on different substances.
Description
Technical field
The present invention relates to a kind of water treatment simulation test device, especially relate to a kind of water treatment analogue experiment installation of ozone-biological active carbon coupling.
Background technology
Drinking water safety problem is one of people's livelihood problem of attracting people's attention of current China, with resident living and healthy closely bound up.The consumption that exceedingly relies on Energy resources due to Economic Growth in China causes environmental degradation, water to pollute aggravation, affect resident living life quality and healthy drinking water safety problem shows especially day by day, as drinking water quality worsens, waterhead area environmental pollution is serious, shortage, underground water source be subject to geologic condition pollution, the hysteresis of tap water management level etc.Along with the fast development of economic society, resident is more and more higher to the requirement of safe drinking water, excessively develop due to Economic development and resource again simultaneously, caused the significant problem such as risk of drinking water pollution and water resources exhaustion, people's safe drinking water and physical and mental health in serious threat.
On July 1st, 2007, " drinking water sanitary standard " of combining issue by National Standards Commission and the Ministry of Health (GB5749-2006) proposed 106 water-quality guideline.The enforcement of these new water-quality guideline has proposed higher, tighter requirement to the security of tap water.In recent years, resource of water supply was generally polluted, and particularly burst Pollution event repeatedly appears in waterhead area, cause national Ge great water factory adopt more ozone/biological activated carbon as advanced treatment process to improve effluent water quality.Ozone and activated carbon advanced treatment process is widely applied in cities such as China Jiaxing, Jinan, Beijing, Shanghai at present.
Ozone can be decomposed into small organic molecule by larger molecular organics, then by the small organic molecule in charcoal absorption water, under the microbial process adsorbing on gac by the organic matter degradation in water.In addition, gac also has certain inrichment to microorganism.Result of study shows, the biology of ozone-active carbon processing water outlet can assimilate organic carbon AOC (Assimilable Organic Carbon), biodegradable dissolved organic carbon BDOC (Biodegradable Dissolved Organic Carbon) concentration and obviously reduce, bacterial growth is bred the also corresponding minimizing of required nutritive substance, thereby the biologically stable of water outlet is significantly improved.
But being widely used along with ozone-active carbon technology, researchist finds, in Ozone-Active Carbon Process operational process, occurring that the microorganisms such as the reduction of water pH value, bacterium and heterotrophic bacterium are in problems such as activated carbon surface growth total plate count very fast, the water outlet of charcoal sand filtration process are higher, there is certain microbial safety risk in water quality.But, up to the present the microorganism of adsorbing on biological activated carbon is lacked to systematic research, and lack biological community structure to adsorbing on different layers gac and the research of pollutant removal mechanism thereof.And the shortcomings such as existing ozone-active carbon device exists that water distribution is inhomogeneous, ozone contact is insufficient, gac sampling difficulty cause microorganism growth analog case and practical situation are not inconsistent and to research on microbial community structure difficulty on gac.
Chinese patent CN 102351350 A disclose the water treatment experimental device of a kind of biological activated carbon and ozone coupling, comprise the ozone treatment apparatus of water treatment device anchor, active carbon water treatment apparatus and follow-up coupling with it.Active carbon water treatment apparatus comprises column shape container and the biological activated carbon post that is fixedly placed in column shape container, and biological activated carbon post comprises gac and is fixed on the microorganism on gac.Ozone treatment apparatus comprises hermetic seal column shape container, and ozone is introduced in hermetic seal column shape container by airway, and the air outlet of airway connects aerating apparatus.Biological activated carbon post and ozone post form a set of secondary water treatment system.Water treatment experimental device also comprises the second cover secondary water treatment system contrasting with secondary water treatment system, is formed by common activated carbon column and ozone post, and common activated carbon column is made up of common pure gac.This device has good simulation for actual water treatment procedure, but this testing apparatus does not have the biological activated carbon of specialized designs different positions or the thief hole of water sample, lacks thief hole and can not comprehensively water technology be simulated and be analyzed.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of simple in structure, can real simulation microorganism growth situation, sample the water treatment analogue experiment installation of ozone-biological active carbon coupling easily.
Object of the present invention can be achieved through the following technical solutions:
A kind of water treatment analogue experiment installation of ozone-biological active carbon coupling, comprise ozone contact post and activated carbon column, in described ozone contact post, be provided with ozonation aerated pipe and ozonation aerated head, for pouring ozone to ozone contact post, ozone is fully contacted with water, one side of described ozone contact post bottom connects water inlet pipe, top opposite side is connected with activated carbon column top by intermediate connection tube, this mode of being crisscross arranged up and down ensure ozone and water inlet fully contact and water outlet in after-odour oxygen try one's best reduction, and the ozone concn of guaranteeing the water that enters activated carbon column on microorganism on gac without impact, the bottom of described activated carbon column connects rising pipe, filling biological activated carbon in activated carbon column, activated carbon column is provided with intake and gac thief hole every certain altitude, for going out the research of water substance and the research of coenosis distribution characteristics.The activated carbon sample that analogue experiment installation can be used for simulating actual ozone-biological active carbon filter tank technique and obtains different heights, different positions, and for studying Ozone-Biological Activated Carbon Process coenosis distribution characteristics.
Described gac thief hole is opened in the height layer that biological activated carbon is housed.
Described gac thief hole comprises the stopple coupon, screw plug and the pipe close that all adopt glass material, described stopple coupon is vertically connected on activated carbon column outside, and stopple coupon and activated carbon column internal communication, described screw plug is hanging down and is being plugged on stopple coupon, and described pipe close clogs the opening end of stopple coupon.
The top of described activated carbon column is provided with water distribution dividing plate, water distribution dividing plate is located at activated carbon column inside by support, on this water distribution dividing plate, offer uniform water distributing pore, make biological activated carbon water distribution even, thus can the actual Ozone-Active Carbon Process microbial growth of real simulation situation.
On described activated carbon column, be also provided with back flushing assembly, this back flushing assembly comprises the back flushing water inlet pipe that is located at activated carbon column bottom and the back flushing water shoot that is located at activated carbon column top.
Described activated carbon column top is also provided with the second upflow tube.
The top of described ozone contact post is provided with the first upflow tube.
Described activated carbon column bottom filling cobble, described biological activated carbon is filled in the top of cobble, cobble is set and reveals from water outlet to prevent gac.
Described ozone contact post and activated carbon column are Glass tubing, and other pipe fittings also all adopt glass material, can prevent the oxygenizement of ozone to utensil.
Between described biological activated carbon and activated carbon column top, leave interval.
On water inlet pipe, intermediate connection tube, rising pipe, back flushing water shoot and back flushing water inlet pipe, be equipped with the valve of adjust flux size, be also provided with supercharging transferpump on intermediate connection tube, rising pipe is provided with the under meter of measuring flow.
Water inlet pipe, intermediate connection tube, rising pipe, back flushing water shoot and back flushing water inlet pipe caliber are identical, and the first upflow tube is larger than above-mentioned caliber with the caliber of the second upflow tube.
The water treatment analogue experiment installation of ozone-biological active carbon coupling of the present invention carries out simulated experiment, and its process is as follows:
Ozonizer is connected with ozonation aerated pipe, opens ozonizer and carry out aeration, former water enters ozone contact post through water inlet pipe, flows into activated carbon column with the water after the abundant contact reacts of ozone through intermediate connection tube.Current make water distribution even through water distribution dividing plate afterwards, and water, by after biological activated carbon layer, is degraded under the effect of the microorganism that the organism in water adsorbs on gac.Finally, water flows out by the rising pipe of activated carbon column lower end, can monitor flow, by valve regulated flow by under meter.
While getting activated carbon sample, first open pipe close, more slowly turn on screw plug, dip sampler, inserts pipe close after first tighten the screws plug after taking-up activated carbon sample.
When back flushing, open the valve on back flushing water inlet pipe, current, after active carbon layer, flow out from back flushing water shoot, and when in activated carbon column when water excess, water is discharged from the second upflow tube.
Compared with prior art, the present invention has the following advantages and beneficial effect:
(1) activated carbon column is provided with intake and gac thief hole every certain altitude, can conveniently take out water sample and the activated carbon sample at each position, is convenient to analyzing and testing.
(2) ozone contact post adopt flow up into water and the abundant contact form of ozone, can ensure ozone with water inlet fully contact with water outlet in after-odour oxygen try one's best reduction.
(3) activated carbon column top is provided with detachable water distribution dividing plate, makes gac water inlet water distribution even, can the actual Ozone-Active Carbon Process microbial growth of real simulation situation.
(4) gac thief hole is provided with screw plug and pipe close, can prevent that the gac in sampling process from overflowing completely.
(5) device of the present invention can be used for studying the biological community structure of ozone-active carbon different heights active carbon layer, can be used for studying the removal effect of ozone-active carbon to different substances.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of water distribution dividing plate;
Fig. 3 is the main TV structure schematic diagram of gac thief hole;
Fig. 4 is the A-A face sectional structure schematic diagram of Fig. 3.
Number in the figure: 1 is ozone contact post, 2 is ozonation aerated pipe, 3 is the first upflow tube, 4 is intermediate connection tube, and 5 is valve, and 6 is ozonation aerated head, 7 is water inlet pipe, and 8 is transferpump, and 9 is back flushing water shoot, 10 is the second upflow tube, 11 is water distribution dividing plate, and 12 is activated carbon column, and 13 is gac thief hole, 14 is intake, 15 is biological activated carbon, and 16 is cobble, and 17 is back flushing water inlet pipe, 18 is rising pipe, 19 is under meter, and 20 is water distributing pore, and 21 is stopple coupon, 22 is screw plug, and 23 is pipe close.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
A kind of water treatment analogue experiment installation of ozone-biological active carbon coupling, as shown in Figure 1, comprise ozone contact post 1 and activated carbon column 12, in ozone contact post 1, be provided with ozonation aerated pipe 2 with ozonation aerated 6, for pouring ozone to ozone contact post 1, ozone is fully contacted with water, one side of ozone contact post 1 bottom connects water inlet pipe 7, top opposite side is connected with activated carbon column 12 tops by intermediate connection tube 4, this mode of being crisscross arranged up and down ensure ozone and water inlet fully contact and water outlet in after-odour oxygen try one's best reduction, and the ozone concn of guaranteeing the water that enters activated carbon column 12 on microorganism on gac without impact, the bottom of activated carbon column 12 connects rising pipe 18, filling biological activated carbon 15 in activated carbon column 12, activated carbon column 12 is provided with intake 14 and gac thief hole 13 every certain altitude, and gac thief hole 13 is opened in the height layer that biological activated carbon 15 is housed, for going out the research of water substance and the research of coenosis distribution characteristics.The activated carbon sample that analogue experiment installation can be used for simulating actual ozone-biological active carbon 15 filter tank techniques and obtains different heights, different positions, and for studying ozone-biological active carbon 15 technique coenosis distribution characteristicss.
The top of activated carbon column 12 is provided with water distribution dividing plate 11, water distribution dividing plate 11 is located at activated carbon column 12 inside by support, as shown in Figure 2, on this water distribution dividing plate 11, offer uniform water distributing pore 20, make biological activated carbon 15 water distributions even, thus can the actual Ozone-Active Carbon Process microbial growth of real simulation situation.
As shown in Figure 3, Figure 4, gac thief hole 13 comprises the stopple coupon 21, screw plug 22 and the pipe close 23 that all adopt glass material, stopple coupon 21 is vertically connected on activated carbon column 12 outsides, and stopple coupon 21 and activated carbon column 12 internal communication, screw plug 22 is hanging down and is being plugged on stopple coupon 21, and pipe close 23 clogs the opening end of stopple coupon 21.
On activated carbon column 12, be also provided with back flushing assembly, this back flushing assembly comprises the back flushing water inlet pipe 17 and the back flushing water shoot 9 that is located at activated carbon column 12 tops that are located at activated carbon column 12 bottoms.Activated carbon column 12 tops are also provided with the second upflow tube 10.The top of ozone contact post 1 is provided with the first upflow tube 3.Activated carbon column 12 bottom filling cobbles 16, biological activated carbon 15 is filled in the top of cobble 16, cobble 16 is set and reveals from water outlet to prevent gac.Between biological activated carbon 15 and activated carbon column 12 tops, leave interval.
On water inlet pipe 7, intermediate connection tube 4, rising pipe 18, back flushing water shoot 9 and back flushing water inlet pipe 17, be equipped with the valve 5 of adjust flux size, be also provided with transferpump 8 for supercharging on intermediate connection tube 4, rising pipe 18 is provided with the under meter 19 of measuring flow.
Ozone contact post 1 is Glass tubing with activated carbon column 12, and other pipe fittings also all adopt glass material, can prevent the oxygenizement of ozone to utensil.
The water treatment analogue experiment installation of ozone-biological active carbon coupling carries out simulated experiment, and its process is as follows:
Ozonizer is connected with ozonation aerated pipe 2, opens ozonizer and carry out aeration, former water enters ozone contact post 1 through water inlet pipe 7, flows into activated carbon column 12 with the water after the abundant contact reacts of ozone through intermediate connection tube 4.Current make water distribution even through water distribution dividing plate 11 afterwards, and water, by after 15 layers of biological activated carbons, is degraded under the effect of the microorganism that the organism in water adsorbs on gac.Finally, water flows out by the rising pipe 18 of activated carbon column 12 lower ends, can monitor flow by under meter 19, by valve 5 adjust fluxes.
While getting activated carbon sample, first open pipe close 23, more slowly turn on screw plug 22, dip sampler, the rear insertion pipe close 23 of first tighten the screws plug 22 after taking-up activated carbon sample.
When back flushing, open the valve 5 on back flushing water inlet pipe 17, current, after active carbon layer, flow out from back flushing water shoot 9, and when in activated carbon column 12 when water excess, water is discharged from the second upflow tube 10.
The above-mentioned description to embodiment is can understand and use invention for ease of those skilled in the art.Person skilled in the art obviously can easily make various amendments to these embodiment, and General Principle described herein is applied in other embodiment and needn't passes through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art are according to announcement of the present invention, and not departing from improvement and the amendment that category of the present invention makes all should be within protection scope of the present invention.
Claims (10)
1. the water treatment analogue experiment installation of an ozone-biological active carbon coupling, it is characterized in that, comprise ozone contact post and activated carbon column, in described ozone contact post, be provided with ozonation aerated pipe and ozonation aerated head, described ozone contact post bottom connects water inlet pipe, top is connected with activated carbon column top by intermediate connection tube, and the bottom of described activated carbon column connects rising pipe, filling biological activated carbon in activated carbon column; Activated carbon column is provided with intake and gac thief hole every certain altitude.
2. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, described gac thief hole is opened in the height layer that biological activated carbon is housed.
3. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, it is characterized in that, described gac thief hole comprises stopple coupon, screw plug and pipe close, described stopple coupon is vertically connected on activated carbon column outside, and stopple coupon and activated carbon column internal communication, described screw plug is hanging down and is being plugged on stopple coupon, and described pipe close clogs the opening end of stopple coupon.
4. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, the top of described activated carbon column is provided with water distribution dividing plate, on this water distribution dividing plate, offers uniform water distributing pore.
5. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, it is characterized in that, on described activated carbon column, be also provided with back flushing assembly, this back flushing assembly comprises the back flushing water inlet pipe that is located at activated carbon column bottom and the back flushing water shoot that is located at activated carbon column top.
6. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 5, is characterized in that, described activated carbon column top is also provided with the second upflow tube.
7. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, the top of described ozone contact post is provided with the first upflow tube.
8. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, described activated carbon column bottom filling cobble, and described biological activated carbon is filled in the top of cobble.
9. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, described ozone contact post and activated carbon column are Glass tubing.
10. the water treatment analogue experiment installation of a kind of ozone-biological active carbon coupling according to claim 1, is characterized in that, between described biological activated carbon and activated carbon column top, leaves interval.
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Application publication date: 20141119 |