CN203405461U - Rapid evaluation device of ammonia nitrogen removing characteristics of multiple biological stuffing - Google Patents
Rapid evaluation device of ammonia nitrogen removing characteristics of multiple biological stuffing Download PDFInfo
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- CN203405461U CN203405461U CN201320559493.3U CN201320559493U CN203405461U CN 203405461 U CN203405461 U CN 203405461U CN 201320559493 U CN201320559493 U CN 201320559493U CN 203405461 U CN203405461 U CN 203405461U
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Abstract
The utility model discloses a rapid evaluation device of the ammonia nitrogen removing characteristics of multiple biological stuffing. The device comprises a support, a plurality of biological reactors, biological stuffing, a solution collector and a waste liquid collector. The biological reactors are connected in parallel and arranged on the support. Water inlets of all the biological reactors are connected in parallel through water inlet pipelines and converged, and each water inlet pipeline is provided with a water inlet valve. Water outlets of biological reactors are connected in parallel through water outlet pipelines and converged, and each water outlet pipeline is provided with a water outlet valve. The biological stuffing is arranged in the biological reactors. The solution collector is connected with the water inlets of the biological reactors through a peristaltic pump. The waste liquid collector is connected with the water outlet pipelines of all the biological reactors. The solution collector is connected with the waste liquid collector through a circulating water pump. The rapid evaluation device of the ammonia nitrogen removing characteristics of multiple biological stuffing achieves simultaneous determination of the total ammonia nitrogen removing performance of different biological stuffing, the test is stable, the period is short, and the ammonia nitrogen removing kinetic parameter can be efficiently and rapidly determined.
Description
Technical field
The utility model relates to aquaculture, water technology, biofilter performance technologies field, is specifically related to multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device.
Background technology
Traditional flowing water culture pattern relies on very serious to water source, once pollution of waterhead, cultivation just faces great risk, and circulating water cultivation pattern is by setting up sewage treatment facility, make aquaculture wastewater through suitably processing, get back to again in breeding pool, reduced in breeding process periphery water environment is relied on, reduce sewage discharge in breeding process, improve survival rate, reduce cultivation risk, improve the yield and quality, realize green cultivation, significant to pond aquaculture and sustainable development.
In industrial circulating water high density intensive culture system, keep the stable of water temperature and various physical and chemical indexs, efficiently remove various water-soluble harmful pollutants, particularly remove the ammonia nitrogen that cultivated animals is had to strong toxicity, be most important link.Therefore, regulating and controlling water quality is the key of aquiculture using recirculated water, and ammonia nitrogen concentration is an important parameter controlling aquaculture water quality.In actual production, conventionally use biofilter to remove the ammonia nitrogen of recirculating aquaculture water, make its concentration remain on a suitable level.Biological film filter, generally for the aquaculture system ammonia nitrogen removal that circulates, in biological film filter, has many dissimilar fillers to be applied, and has merits and demerits separately.Yet, select suitable nitrifying bacteria vector filler, can greatly improve the runnability of biofilter, can dwindle the ratio of biological filter in recirculation system, reduce floor area, circulation aquaculture is had to obvious technology and economic implications.The method of conventional determining biologic packing material ammonia nitrogen removal characteristic is to utilize single-stage bio-reactor to test, but single-stage bio-reactor test exists and while carrying out campaign, guarantees same test conditions difficulty, and tests shortcoming unstable, that the cycle is long.
Utility model content
The purpose of this utility model is to provide a kind of device that carries out multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation, to overcome when campaign is carried out in the test of single-stage bio-reactor, be difficult to guarantee same test conditions, and test shortcoming unstable, that the cycle is long.
The technical scheme that realizes the utility model object is: it comprises support, several bio-reactors, biologic packing material, solution catcher and liquid waste collector the device of multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation; Described bio-reactor parallel connection is positioned on support, the water inlet of each bio-reactor gathers by inlet channel parallel connection, each inlet channel disposes inlet valve, and the water delivering orifice of each bio-reactor gathers by outlet conduit parallel connection, and each outlet conduit disposes flowing water Valve; In bio-reactor, be placed with biologic packing material; Described solution catcher is connected with the water inlet of bio-reactor by peristaltic pump; Described liquid waste collector is connected with the water delivering orifice pipeline of each bio-reactor, and described solution catcher is connected with liquid waste collector by water circulating pump.
For better technique effect, the technical solution of the utility model can also specifically be optimized for following characteristics:
1, in described each bio-reactor, be placed with aeration head, described aeration head is connected with air compressor pipeline.Make dissolved oxygen concentration in reactor all the time higher than 6mg/L, to maintain the stability of nitrobacteria biofilm.
2, on the connecting tube between described air compressor and each aeration head, gas control valve is all installed, by regulating air compressor to be transported to the air output in each reactor, to keep the aeration rate in reactor consistent.
3, the water delivering orifice of described bio-reactor is positioned at the top of bio-reactor, and the water inlet of described bio-reactor is positioned at the bottom of bio-reactor, avoids current from water inlet straight-through water outlet mouth.
The beneficial effect of the multiple biologic packing material ammonia nitrogen removal of the utility model characteristic Fast Evaluation device is:
1, can to guarantee that nutrient solution or breeding wastewater enter the initial concentration of each reactor identical in bio-reactor parallel connection, realize and measure the evaluation of different biologic packing materials to total ammonia nitrogen removal capacity simultaneously, and test is stable, and the cycle is short, can efficiently determine fast ammonia nitrogen removal kinetic parameter.
2, can remove first-rate reaction constant k by the total ammonia nitrogen of the different biologic packing materials of formula Fast Measurement, reflect that different biologic packing materials are to more active nitrobacteria quantity on the larger utilization factor of substrate (ammonia nitrogen) and per surface area medium, determine the characteristic that different fillers are removed total ammonia nitrogen (TAN).
3, through nutrient solution or breeding wastewater concentration after circulation, can change, but it is identical to guarantee to enter the concentration of each reactor, can succession evaluation under different ammonia nitrogen concentrations different biologic packing materials to ammonia nitrogen removal characteristic.
figure of description
Fig. 1 is the structural representation of multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device described in the utility model;
Fig. 2 is the vertical view of the multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device shown in Fig. 1;
Fig. 3 is the structural representation of the bio-reactor of multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device described in the utility model.
Embodiment
By describing technology contents of the present utility model in detail, being realized object and effect, below in conjunction with better embodiment, give explanation.
Multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device, as shown in Figure 1 to Figure 3, it comprises support 1, several bio-reactors 2, biologic packing material 3, solution catcher 4 and liquid waste collector 5; Described bio-reactor 2 parallel connections are positioned on support 1, the water inlet 21 of each bio-reactor 2 gathers by inlet channel 6 parallel connections, each inlet channel 6 disposes inlet valve 61, the water delivering orifice 22 of each bio-reactor 2 gathers by outlet conduit 7 parallel connections, and each outlet conduit 7 disposes flowing water Valve 71; The water delivering orifice 22 of described bio-reactor is positioned at the top of bio-reactor 2, and the water inlet 21 of described bio-reactor is positioned at the bottom of bio-reactor 2; In bio-reactor 2, be placed with biologic packing material 3; Described solution catcher 4 is connected with the water inlet 21 of bio-reactor by peristaltic pump 8; Described liquid waste collector 5 is connected with water delivering orifice 22 pipelines of each bio-reactor, and described solution catcher 4 is connected with liquid waste collector 5 by water circulating pump 9.In described each bio-reactor 2, be placed with aeration head 10, described aeration head 10 is connected with air compressor 11 pipelines, on connecting tube between air compressor and each aeration head, gas control valve 110 is all installed, make in nitrobacteria biofilm process the dissolved oxygen concentration in reactor all the time higher than 6mg/L, and keep the aeration rate of each reactor basically identical, to maintain the stability of nitrobacteria biofilm.
In the present embodiment, the principle of work of multiple biologic packing material ammonia nitrogen removal characteristic Fast Evaluation device is, in bio-reactor, put into the dissimilar biologic packing material with identical table area, adopt the mode of active sludge inoculation, interpolation nutrient solution to carry out quick nitrobacteria biofilm to biologic packing material, by peristaltic pump, with constant flow velocity, the required nutrient input of bio-film colonization is delivered to each bio-reactor, be pooled to liquid waste collector, by ebullator, waste liquid is transported to solution catcher, forms a circulation system; In the biologic packing material nitrobacteria biofilm stage, regularly in each reactor, sample, the correlation parameter that carries out aquaculture water comprises: total ammonia nitrogen (TAN), nitrite nitrogen (NO
2 --N), nitrate nitrogen (NO
3 --N), pH value and DO value analyze, and determines biomembranous mature and stable.After biological filler biological nitrobacteria biofilm completes, carry out ammonia nitrogen removal evaluating characteristics, by measuring import and export total ammonia nitrogen (TAN) concentration and the residence time (t) of each reactor, utilize formula
Calculate the first-rate reaction constant k of different biologic packing materials, by comparing the size of k value, can reflect that different biologic packing materials are to more active nitrobacteria quantity on the larger utilization factor of substrate total ammonia nitrogen TAN and per surface area medium, therefore can determine the characteristic that different fillers are removed TAN.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. many kinds of biologic packing material ammonia nitrogen removal characteristic Fast Evaluation devices, is characterized in that, it comprises support (1), several bio-reactors (2), biologic packing material (3), solution catcher (4) and liquid waste collector (5); Described bio-reactor (2) parallel connection is positioned on support (1), the water inlet of each bio-reactor (21) gathers by inlet channel (6) parallel connection, each inlet channel disposes inlet valve (61), the water delivering orifice of each bio-reactor (22) gathers by outlet conduit (7) parallel connection, and each outlet conduit disposes flowing water Valve (71); In bio-reactor (2), be placed with biologic packing material (3); Described solution catcher (4) is connected with the water inlet (21) of bio-reactor by peristaltic pump (8); Described liquid waste collector (5) is connected with water delivering orifice (22) pipeline of each bio-reactor, and described solution catcher (4) is connected with liquid waste collector (5) by water circulating pump (9).
2. device according to claim 1, is characterized in that, is placed with aeration head (10) in described each bio-reactor (2), and described aeration head (10) is connected with air compressor (11) pipeline.
3. device according to claim 1, is characterized in that, gas control valve (110) is all installed on the connecting tube between described air compressor (11) and each aeration head.
4. device according to claim 1 and 2, is characterized in that, the water delivering orifice of described bio-reactor (22) is positioned at the top of bio-reactor (2), and the water inlet of described bio-reactor (21) is positioned at the bottom of bio-reactor (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320559493.3U CN203405461U (en) | 2013-09-10 | 2013-09-10 | Rapid evaluation device of ammonia nitrogen removing characteristics of multiple biological stuffing |
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| CN201320559493.3U CN203405461U (en) | 2013-09-10 | 2013-09-10 | Rapid evaluation device of ammonia nitrogen removing characteristics of multiple biological stuffing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472217A (en) * | 2013-09-10 | 2013-12-25 | 金贝尔(福建)水环境工程有限公司 | Quick evaluation method and quick evaluation device for ammonia nitrogen removal characteristics of different biological fillings |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472217A (en) * | 2013-09-10 | 2013-12-25 | 金贝尔(福建)水环境工程有限公司 | Quick evaluation method and quick evaluation device for ammonia nitrogen removal characteristics of different biological fillings |
| CN103472217B (en) * | 2013-09-10 | 2016-08-10 | 金贝尔(福建)水环境工程有限公司 | Multiple biologic packing material ammonia nitrogen removal characteristic fast appraisement method and device |
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Granted publication date: 20140122 |
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| CX01 | Expiry of patent term |