CN104512965B - A kind of submersible type has the device for purifying water quality of sight waterbody of denitrification functions - Google Patents
A kind of submersible type has the device for purifying water quality of sight waterbody of denitrification functions Download PDFInfo
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- CN104512965B CN104512965B CN201410798795.5A CN201410798795A CN104512965B CN 104512965 B CN104512965 B CN 104512965B CN 201410798795 A CN201410798795 A CN 201410798795A CN 104512965 B CN104512965 B CN 104512965B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention provides a kind of submersible type to have the device for purifying water quality of sight waterbody of denitrification functions, it includes gas floating drum and purifies filling tank, purify filling tank and include tank body, in tank body, be respectively arranged with denitrogenation packing layer, aerator and enzyme Linesless charcoal packing layer from bottom to top；Gas floating drum includes gas water wing, gas control valve and level control device, gas water wing is set in the outer wall of the tank body purifying filling tank, gas control valve is for regulating and controlling to enter the air capacity of gas water wing, level control device is for maintaining the balance of quality purifying device for water, water up flows into from the bottom of tank body, successively flows out from tank body top after denitrogenation packing layer and enzyme Linesless charcoal packing layer effect。This purifier not only can remove the polluters such as BOD, the COD of water body for a long time efficiently, it is also possible to removes ammonia nitrogen and the total nitrogen of water body。
Description
Technical field
The present invention relates to environmental technology field, particularly relate to a kind of submersible type and there is the device for purifying water quality of sight waterbody of denitrification functions。
Background technology
Along with the raising day by day of living standard, people are also more and more higher to the pursuit of living environment, also occur in that increasing landscape water body。These communities, landscape water body park etc. mostly are the closing water body of hand digging, the self-detergent power of water body is natively very weak, owing to being constantly subject to the impact of other natural pollutions such as periphery sanitary sewage and rainy runoff, water quality is unstable, serious generation cyanophyceae, water quality blackout is smelly, and mosquitos and flies such as grows at the phenomenon, has a strong impact on the environment of neighboring area。
The way of current domestic employing substantially has two kinds, one is in the outer processing mode of cell body, namely the Posterior circle passing through purification outside water extraction cell body is flowed in pond, although which processes relatively good, but construction cost is high, the problems such as operational management is loaded down with trivial details to such an extent as to use could not be popularized on a large scale, another is processing mode in cell body, such as aeration aerating, biological floating island, water plant etc. is cultivated around pond, these ways all can not the polluter of effective place to go water body, and the plant cultivated needs regularly harvesting, maintenance management is not good at easily water body purification being produced negative interaction。Also there are some purification facilitys in cell body newly developed recently, in these ponds, purification facility is due to structure complexity, the easy fault of plant equipment used under water, and the filler purification efficiency used is low, and it is easy to saturated, for this, water body purification effect is very limited。According to statistics, the main cause being much in the many lakes of bad V class water quality and landscape water body at present is because total nitrogen index severe overweight, and general purification facility is very low to the nitrogen removal rate of water body, especially almost cannot remove total nitrogen at the water body of low stain load。
Chinese patent CN102079576 " protection of a kind of surface water and the neuston reactor repaired "; this invention is the vertical tube cylinder swimming in the water surface; pipe cylinder as biofilm carrier, by continuous for water input reactor and flows through biofilm surface so as to be purified by immersible pump built with porous material。The form of fountain it is designed as at outlet pipe。The power of this invention is immersible pump, and owing to form fountain, the ability that not only consumes is big, and continuous print draws water in a large number, it is easy to water foreign pasture and water etc. because swabbing action causes the blocking of immersible pump。Additionally because swimming in the water surface, have impact on water landscape effect。
Chinese utility model patent (application number 200820041174.2) " surface water comprehensive water treatment device ", this invention is provided with floating drum, inner and outer tubes, the suitable for reading of inner and outer tubes is connected with an outlet pipe, interior pipe has filtration biochemical treatment equipment, and contaminant water is promoted by impeller and counts inner and outer pipe by aeration, filtered in interior pipe-biochemical treatment, finally rise to outlet pipe, flow out from water diversion disk and be recycled back into water body。Water body oxygen supplement in continuous cyclic process, filters and biochemical reaction, reaches the purpose of purification of water quality。But leading to due to inner and outer pipes two and be subject in identical impeller lifting force, and interior pipe is filled with filter packing, easily passes through from the less outer tube of resistance ratios for this sewage, forms short stream, namely sewage does not carry out biochemical reaction well into the interior pipe being filled with biologic packing material。
And, the biologic packing material of existing water body purification apparatus filling research common problem: is that the filler of facility is low to contaminant removal efficiency such as COD, BOD of water body, and clean-up effect is unstable, and service life is short。Two is the water body in low stain concentration range, owing to lacking carbon source, the clearance of total nitrogen is non-normally low。
Summary of the invention
It is an object of the invention to provide a kind of submersible type and there is the device for purifying water quality of sight waterbody of denitrification functions。This purifier not only can remove the polluters such as BOD, the COD of water body for a long time efficiently, it is also possible to removes ammonia nitrogen and the total nitrogen of water body。
The present invention solves that the scheme that above-mentioned technical problem adopts is:
A kind of submersible type has the device for purifying water quality of sight waterbody of denitrification functions, it includes gas floating drum and purifies filling tank, described purification filling tank includes tank body, is respectively arranged with denitrogenation packing layer, aerator and enzyme Linesless charcoal packing layer in described tank body from bottom to top；Described gas floating drum includes gas water wing, gas control valve and level control device, described gas water wing is set in the outer wall of the tank body of described purification filling tank, described gas control valve is for regulating and controlling to enter the air capacity of described gas water wing, described level control device is for maintaining the balance of described quality purifying device for water, water up flows into from the bottom of tank body, successively flows out from tank body top after denitrogenation packing layer and enzyme Linesless charcoal packing layer effect。
In such scheme, described gas floating drum also includes the gas water wing cover being arranged on above described gas water wing, described level control device includes three levels and controls pad, one end that described three levels control pad is connected with described gas water wing cover respectively, and described three levels control pad and are spacedly distributed on same circumference。
In such scheme, above and below described denitrogenation packing layer and above and below enzyme Linesless charcoal packing layer, it is provided with permeable filter。
In such scheme, the enzyme Linesless charcoal filler in described enzyme Linesless charcoal packing layer is prepared by following methods:
1) the natural Linesless charcoal through vibration screening and rounding, modifying agent is added in the way of spraying, the part by weight of natural Charcoal Weight and modifying agent is 3:1, described modifying agent includes A liquid and B liquid: described A liquid includes any one or a few the mixing in 1-5% glucosamine, 1-5% glucosamine hydrochloride and 0.5-4% glucosamine sulfate by weight percentage, surplus is water, and each component sum of described A liquid is 100%；Described B liquid includes 5-20% Semen Maydis pulp by weight percentage, 4-20% peptone, 0.5-3% ammonium sulfate, 0.1-2% iron sulfate, any one or a few mixing in the yeast of 0.1-2% potassium dihydrogen phosphate, 0.1-2% magnesium sulfate and 1-5%, surplus is water, and each component sum of described B liquid is 100%；
2) add mixed enzyme agent and be sufficiently stirred for rear static, the mass ratio of the addition of mixed enzyme agent and natural Linesless charcoal is 1:1000-2000, mixed enzyme agent includes any one or a few the mixing in 2-20% pectase, 5-20% protease, 5-20% lipase, 5-25% cellulase, 5-20% catalase and 5-20% amylase, surplus is water, and each component sum of described mixed enzyme agent is 100%；
3) after using negative-pressure vacuum pump evacuation, aeration-drying, it is eventually fabricated the enzyme Linesless charcoal filler that water content is 8-10%。
In such scheme, the volume ratio of described A liquid and B liquid is 1:0.5-1.2。
In such scheme, described natural Linesless charcoal is through the broad-leaf forest of 800-1200 DEG C of high temperature cabonization, Coniferous forest branch or bamboo root root and stem of certain plants char-forming material。
In such scheme, described step 1) in the particle diameter of Linesless charcoal after rounding be 6-20mm。
In such scheme, described step 1) in sieve be logical for natural charcoal particle vibration screening machine, control between nature charcoal particle diameter 5cm-25cm。
In such scheme, the denitrogenation filler in described denitrogenation packing layer is made up of bamboo sheet and denitrogenation Enzyme reactors, and described denitrogenation Enzyme reactors includes polydextrose, peptone, cellulase, nitrifying ferment and denitrification enzyme。
In such scheme, denitrogenation filler in described denitrogenation packing layer is prepared by following methods: the bamboo sheet through processing is added denitrogenation Enzyme reactors in the way of spraying, bamboo sheet and denitrogenation Enzyme reactors weight ratio are 8:1, described denitrogenation Enzyme reactors includes 1-5% polydextrose, 3-10% peptone, any one or a few mixing in 2-20% cellulase, 5-30% nitrifying ferment, 5-30% denitrification enzyme, surplus is water, and each component sum of described denitrogenation Enzyme reactors is 100%；Described bamboo sheet is the Phyllostachys pubescens Mazei ex H.de Lebaie bamboo chip through blocking, and bamboo chip is thickness 8-15mm, width 10-20mm, length 20-30mm。
The cleaning principle of the enzyme Linesless charcoal filler of the present invention is: the special space structure utilizing Linesless charcoal to have and huge specific surface area, by promoting reaction control agent at Linesless charcoal surface spraying high molecular polymer surface modifier and microbial enzyme, and enter into inside filler by negative pressure, neutralize and the negative charge on shielding Linesless charcoal surface and micropore tube wall, create microorganism quickly to adhere to and prolific ecological environment on Linesless charcoal surface and internal micropore tube wall, provide carrier for immobilized enzyme simultaneously。Described enzyme immobilization technology is the interpolation enzyme when negative pressure, combination by the physical absorption of Linesless charcoal and high molecular polymer ionic bond and covalent bond, required multiple enzyme is fixed on Linesless charcoal filler, induction specified microorganisms bacterium colony enters and carries out enzymatic reaction inside the micropore of Linesless charcoal filler, keep the activity of microorganism, improve treatment effeciency and the effect of reactor。
The cleaning principle of the denitrogenation filler of the present invention is: what utilize bamboo sheet has C/N performance more than 80～100, can constantly provide carbon source for carrying out in this layer denitrification reaction。When spraying denitrogenation Enzyme reactors on bamboo sheet surface, combination by polydextrose and peptone and cellulase, nitrifying ferment and denitrification enzyme, cellulase, nitrifying ferment and denitrification enzyme are sticked to bamboo sheet surface, the microorganism of the cellulosic microorganism of induced decomposition and nitrification and denitrification flourish on bamboo sheet。Because the lower section of denitrogenation layer is anaerobic state, and because of near aeration tube above denitrogenation layer, it is in oxygen condition, filling out, at denitrogenation layer, the bamboo sheet put is floating state, by the upper and lower floating movement of bamboo sheet, under the environment that aerobic and anaerobism replace, carry out nitrification and denitrification reaction, reach to remove the effect of total nitrogen。
The invention has the beneficial effects as follows: this device is by controlling air and the level control device of gas floating drum, device is allowed partly to rise and fall under horizontal plane, being placed in the middle part purifying filling tank by aerating system, allow filling tank top be in oxygen condition, bottom is in anaerobic state, be conducive to denitrification effect, utilize the power of aeration simultaneously, allow water up flow into from the bottom purifying filling tank, through the treatment and purification effect of filler, and the water quality forming waters, local circulates, reduce power consumption。This device, because, under half floating, not affecting water landscape, reduces engineering construction cost and operational and administrative expenses simultaneously。
Accompanying drawing explanation
Fig. 1 has the structural representation of the device for purifying water quality of sight waterbody of denitrification functions for the submersible type that the embodiment of the present invention provides。
Fig. 2 is the top view of Fig. 1。
Fig. 3 is the sectional view of Fig. 1。
Fig. 4 is the top view of the aerator in Fig. 1。
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be described further, but present disclosure is not limited solely to the following examples。
Embodiment 1
As shown in Figures 1 to 4, it has the device for purifying water quality of sight waterbody of denitrification functions for a kind of submersible type that the embodiment of the present invention 1 provides, and it includes gas floating drum and purifies filling tank。
Purify filling tank and include tank body, in tank body, be respectively arranged with denitrogenation packing layer 8, aerator 7 and enzyme Linesless charcoal packing layer 5 from bottom to top。In the present embodiment, permeable filter 6 it is provided with above and below denitrogenation packing layer 8 and above and below enzyme Linesless charcoal packing layer 5。
Gas floating drum includes gas water wing 1, is arranged on the gas water wing cover 2 above gas water wing 1, gas control valve 3 and level control device。Gas control valve 3 is for regulating and controlling to enter the air capacity of gas water wing 1。Level control device is for maintaining the balance of this quality purifying device for water。Gas water wing 1 is set in the outer wall of the tank body purifying filling tank。In the present embodiment, level control device includes three levels and controls pad 4, and one end of three level control pads 4 is connected with gas water wing cover 2 respectively, and three levels control pads 4 and are spacedly distributed on same circumference。
In the present embodiment, aerator 7 is positioned between enzyme Linesless charcoal packing layer 5 and denitrogenation packing layer 8。Denitrogenation filler in denitrogenation packing layer 8 is made up of bamboo sheet and denitrogenation Enzyme reactors, and described denitrogenation Enzyme reactors includes polydextrose, peptone, cellulase, nitrifying ferment and denitrification enzyme。
This submersible type has the device for purifying water quality of sight waterbody of denitrification functions and controls pad 4 by the air and level controlling gas floating drum, device is allowed partly to rise and fall under horizontal plane, the middle part purifying filling tank it is placed in by aerator 7, filling tank top is allowed to be in oxygen condition, bottom is in anaerobic state, utilize the power of aerator 7 simultaneously, water is allowed up to flow into from the bottom purifying filling tank, successively through the treatment and purification effect of denitrogenation packing layer 8 and enzyme Linesless charcoal packing layer 5, reach the pollutant of efficient-decomposition water body and remove the purpose of total nitrogen。Flow out from filling tank top after the treatment and purification effect of filler, and spread to surrounding, form partial water circulation。Enzyme Linesless charcoal packing layer 5 has the ability efficiently removing COD in water body and BOD pollutant, and denitrogenation packing layer 8 has highly removes the ability of total nitrogen in water body。The naturally complete microorganism food chain of enzyme Linesless charcoal and denitrogenation material construction, absorbs food chain low layer and the high-rise effect of ingesting to low layer of food chain combines organic decomposition, has the pollutant of efficient-decomposition water body and remove the ability of total nitrogen。
In the present embodiment, the enzyme Linesless charcoal filler in enzyme Linesless charcoal packing layer 5 is prepared by following methods:
The Linesless charcoal of the particle diameter 6-20mm through vibration screening and rounding, add in the way of spraying Charcoal Weight 30% modifying agent, wherein glucosamine sulfate 4% in the A liquid of modifying agent, surplus is water。The effect of A liquid, mainly to Linesless charcoal modifying surface, utilizes the electric charge with Linesless charcoal surface in the sulphuric acid amino in ammonium sulphate glucose, and provides bio-carrier for fixation of microbe and enzyme。Semen Maydis pulp 15% in B liquid, potassium dihydrogen phosphate 0.2%, yeast 1%, surplus is water, the main nutrient providing microorganism of effect of B liquid。After A liquid mixes with B liquid, the surface charge for changing Linesless charcoal serves, with the breeding promoting fixing enzyme and promotion microorganism, the effect being multiplied。The process of spraying stirs Linesless charcoal, and the time that spraying is stirred is 15 minutes, adds mixed enzyme agent after static 30 minutes, and the addition of mixed enzyme agent is the 1/1000 of Charcoal Weight, and mixed enzyme agent includes pectase 15%, protease 5%, and surplus is water。After being sufficiently stirred for static 15 minutes, after using negative-pressure vacuum pump (75KPa) 30 minutes evacuation, ventilation dries up, and is eventually fabricated the enzyme Linesless charcoal filler that water content is 8%。Enzyme Linesless charcoal after processing is loaded into enzyme Linesless charcoal packing layer 5, and its loadings is the 95% of enzyme Linesless charcoal packing layer volume。The internal diameter of this layer of loading pipe is 1 meter, is highly 30cm。
In the present embodiment, the denitrogenation filler in denitrogenation packing layer 8 is prepared by following methods:
Bamboo sheet through processing is added denitrogenation Enzyme reactors in the way of spraying, bamboo sheet and denitrogenation compound enzyme agent part by weight are 8:1, described denitrogenation Enzyme reactors includes 1.5% polydextrose, 5% peptone, 5% cellulase, 8% nitrifying ferment, 8% denitrification enzyme mixing, surplus is water, and the described each component sum of denitrogenation mixed enzyme agent is 100%；Bamboo sheet is the Phyllostachys pubescens Mazei ex H.de Lebaie bamboo chip through blocking, and bamboo chip is thickness 8-15mm, width 10-20mm, length 20-30mm。Through spraying denitrogenation Enzyme reactors bamboo sheet ventilate dry after be loaded into denitrogenation packing layer, the loadings of its bamboo sheet be denitrogenation packing layer volume be 75%。The internal diameter of this layer of loading pipe is 1 meter, is highly 40cm。
In the present embodiment, the device for purifying water quality of sight waterbody that submersible type has denitrification functions is applied to the purification of water quality in park landscape pond。The area of landscape pond is 60 square metres, and mean depth is 2.2 meters。It is 0.8 meter that submersible type has the internal diameter of denitrification functions landscape water body purifier, the thickness of enzyme Linesless charcoal filler is 0.3 meter, the thickness of denitrogenation filler is 0.4 meter, disposing two submersible types to have denitrification functions landscape water body purifier altogether, through the operation of 8 months, the water quality in this pond was become surface water IV class water body from original bad V class water quality, through the operation of 14 months, to the BOD of this water body, COD, total nitrogen, ammonia nitrogen, total phosphorus clearance reach respectively to 57.1%, 73.3%, 72%。82.1 and 58.3%。The water quality of the landscape pond in this park has been reached surface water III class water body by V original class water quality。
After 14 months, change of water quality before and after treatment is as follows:
| Index | BOD | COD | Total nitrogen | Ammonia nitrogen | Total phosphorus |
| Water quality (mg/l) before processing | 10.5 | 52.5 | 4.3 | 2.8 | 0.12 |
| Water quality (mg/l) after 8 months process | 8.5 | 26 | 1.5 | 0.8 | 0.09 |
| Water quality (mg/l) after 14 months process | 4.5 | 14 | 1.2 | 0.5 | 0.05 |
| Purifying rate (%) | 57.1 | 73.3 | 72 | 82.1 | 58.3 |
Embodiment 2
The present embodiment is roughly the same with embodiment 1, and the enzyme Linesless charcoal filler being different in that in enzyme Linesless charcoal packing layer 5 is prepared by following methods:
The Linesless charcoal of the particle diameter 6-20mm through vibration screening and rounding, add in the way of spraying Charcoal Weight 30% modifying agent, the wherein aminoglucose pool 1% in the A liquid of modifying agent, glucosamine hydrochloride 2.5%, surplus is water。The effect of A liquid is to Linesless charcoal modifying surface, utilize the electric charge with Linesless charcoal surface in the amino of glucosamine and glucosamine hydrochloride, and provide bio-carrier for fixation of microbe and enzyme, Semen Maydis pulp 10% in the B liquid of modifying agent, peptone 5%, iron sulfate 0.1%, potassium dihydrogen phosphate 0.2%, yeast 1%, surplus is water。The main nutrient that microorganism is provided of effect of B liquid and the pH on trace element and adjustment enzyme Linesless charcoal surface。After A liquid mixes with B liquid, the surface charge for changing Linesless charcoal serves, with the breeding promoting fixing enzyme and promotion microorganism, the effect being multiplied。The process of spraying stirs Linesless charcoal, and the time that spraying is stirred is 15 minutes, adds mixed enzyme agent after static 30 minutes, and the addition of mixed enzyme agent is the 1/1500 of Linesless charcoal, and mixed enzyme agent includes pectase 10%, lipase 5%, cellulase 5%, and surplus is water。After being sufficiently stirred for static 15 minutes, after using negative-pressure vacuum pump (75KPa) 30 minutes evacuation, ventilation dries up, and is eventually fabricated the enzyme Linesless charcoal that water content is 5%。
In the present embodiment, the denitrogenation filler in denitrogenation packing layer 8 is prepared by following methods:
Bamboo sheet through processing is added denitrogenation Enzyme reactors in the way of spraying, bamboo sheet and denitrogenation Enzyme reactors part by weight are 8:1, described denitrogenation Enzyme reactors includes 1.5% polydextrose, 5% peptone, 3% cellulase, 5% nitrifying ferment, 5% denitrification enzyme mixing, surplus is water, and each component sum of described denitrogenation Enzyme reactors is 100%；Bamboo sheet is the Phyllostachys pubescens Mazei ex H.de Lebaie bamboo chip through blocking, and bamboo chip is thickness 8-15mm, width 10-20mm, length 20-30mm。Through spraying denitrogenation Enzyme reactors bamboo sheet ventilate dry after be loaded into denitrogenation layer, the loadings of its bamboo sheet be denitrogenation layer volume be 75%。The internal diameter of this layer of loading pipe is 1 meter, is highly 40cm。
In the present embodiment, submersible type having the purification of water quality that denitrification functions landscape water body purifier is applied to the community scenery pond of new hand digging, the area of landscape pond is 150 square metres, and mean depth is 1.8 meters。Before treatment and purification, the water quality in this pond is V class water quality, has disposed four devices, and the internal diameter of the filler of each device is 1 meter, and the thickness of enzyme Linesless charcoal filler is 30cm, and the thickness of denitrification denitrogenation filler is 45cm。Through the operation of 4 months, the water quality in this pond reached IV class water body, through the operation of 8 months, to the BOD in community scenery pond of this new hand digging, COD, total nitrogen, ammonia nitrogen, total phosphorus clearance respectively reach 52.9%, 32.6%, 30%, 60%, 80%。The water quality in this community scenery pond has V original class water body to reach surface water III class water body。
Change of water quality before and after treatment is as follows:
| Index | BOD | COD | Total nitrogen | Ammonia nitrogen | Total phosphorus |
| Water money (mg/l) before processing | 8.5 | 33 | 2 | 1.5 | 0.20 |
| Water quality (mg/l) after 4 months process | 6.2 | 25 | 1.5 | 1.0 | 0.11 |
| Water quality (mg/l) after 8 months process | 4.0 | 12 | 1.3 | 0.6 | 0.04 |
| Purifying rate (%) | 52.9 | 32.6 | 30 | 60 | 80 |
Embodiment 3
The present embodiment is roughly the same with embodiment 1, and the enzyme Linesless charcoal filler being different in that in enzyme Linesless charcoal packing layer 5 is prepared by following methods:
The Linesless charcoal of the particle diameter 6-20mm through vibration screening and rounding, add in the way of spraying Charcoal Weight 30% modifying agent, the wherein aminoguanidine hydrochloride Fructus Vitis viniferae pool 1.5% in the A liquid of modifying agent, glucosamine sulfate 1.2%, surplus is water。The effect of A liquid is to Linesless charcoal modifying surface, utilize the electric charge with Linesless charcoal surface in the amino of glucosamine hydrochloride and glucosamine sulfate, and provide bio-carrier for fixation of microbe and enzyme, Semen Maydis pulp 5% in the B liquid of modifying agent, peptone 4%, potassium dihydrogen phosphate 0.2%, magnesium sulfate 0.1%, yeast 1.5%, surplus is water, and the effect of B liquid mainly provides the nutrient of microorganism and the pH on trace element and adjustment enzyme Linesless charcoal surface。After A liquid mixes with B liquid, the surface charge for changing Linesless charcoal serves, with the breeding promoting fixing enzyme and promotion microorganism, the effect being multiplied。The process of spraying stirs Linesless charcoal, and the time that spraying is stirred is 15 minutes, adds mixed enzyme agent after static 30 minutes, the addition of mixed enzyme agent is the 1/1500 of Linesless charcoal, mixed enzyme agent includes protease 2%, lipase 5%, cellulase 1.5%, amylase 1.2%, and surplus is water。After being sufficiently stirred for static 15 minutes, after using negative-pressure vacuum pump (75KPa) 30 minutes evacuation, ventilation dries up, and is eventually fabricated the enzyme Linesless charcoal that water content is 5%。
In the present embodiment, the denitrogenation filler in denitrogenation packing layer 8 is prepared by following methods:
Bamboo sheet through processing is added denitrogenation Enzyme reactors in the way of spraying, bamboo sheet and denitrogenation Enzyme reactors part by weight are 8:1, described denitrogenation Enzyme reactors includes 5% polydextrose, 5% peptone, 10% cellulase, 8% nitrifying ferment, 8% denitrification enzyme mixing, surplus is water, and each component sum of described denitrogenation Enzyme reactors is 100%；Bamboo sheet is the Phyllostachys pubescens Mazei ex H.de Lebaie bamboo chip through blocking, and bamboo chip is thickness 8-15mm, width 10-20mm, length 20-30mm。Through spraying denitrogenation Enzyme reactors bamboo sheet ventilate dry after be loaded into denitrogenation layer, the loadings of its bamboo sheet be denitrogenation layer volume be 75%。The internal diameter of this layer of loading pipe is 1 meter, is highly 40cm。
In the present embodiment, submersible type having denitrification functions landscape water body purifier and is applied to the purification of water quality of crawl, the area of crawl is 200 square metres, and mean depth is 2.5 meters。Owing to excessively throwing in feedstuff, this fishpond water quality is bad V class water quality, dead fish phenomenon often occurs, throw in submersible type and there is denitrification functions landscape water body purifier four, the internal diameter of the filler of each device is 1 meter, the height of enzyme Linesless charcoal filler is 30cm, the height of denitrification denitrogenation filler is 45cm, dispose purifier after 10 months water quality be clearly better, 8 that the transparency of water is original increase to 50cm, dissolved oxygen is increased to 3.5mg/l by original 0.8mg/l, to COD, total nitrogen, the clearance of ammonia nitrogen respectively reaches 83.3%, 81% and 82.1%, and there is not dead fish phenomenon again。
Change of water quality before and after treatment is as follows:
Claims (10)
1. a submersible type has the device for purifying water quality of sight waterbody of denitrification functions, it is characterized in that, it includes gas floating drum and purifies filling tank, and described purification filling tank includes tank body, is respectively arranged with denitrogenation packing layer, aerator and enzyme Linesless charcoal packing layer in described tank body from bottom to top；Described gas floating drum includes gas water wing, gas control valve and level control device, described gas water wing is set in the outer wall of the tank body of described purification filling tank, described gas control valve is for regulating and controlling to enter the air capacity of described gas water wing, described level control device is for maintaining the balance of described quality purifying device for water, water up flows into from the bottom of tank body, successively flows out from tank body top after denitrogenation packing layer and enzyme Linesless charcoal packing layer effect。
2. submersible type as claimed in claim 1 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterized in that, described gas floating drum also includes the gas water wing cover being arranged on above described gas water wing, described level control device includes three levels and controls pad, one end that described three levels control pad is connected with described gas water wing cover respectively, and described three levels control pad and are spacedly distributed on same circumference。
3. submersible type as claimed in claim 1 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that be provided with permeable filter above and below described denitrogenation packing layer and above and below enzyme Linesless charcoal packing layer。
4. submersible type as claimed in claim 1 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that the enzyme Linesless charcoal filler in described enzyme Linesless charcoal packing layer is prepared by following methods:
1) the natural Linesless charcoal through vibration screening and rounding, modifying agent is added in the way of spraying, the part by weight of natural Charcoal Weight and modifying agent is 3:1, described modifying agent includes A liquid and B liquid: described A liquid includes any one or a few the mixing in 1-5% glucosamine, 1-5% glucosamine hydrochloride and 0.5-4% glucosamine sulfate by weight percentage, surplus is water, and each component sum of described A liquid is 100%；Described B liquid includes 5-20% Semen Maydis pulp by weight percentage, 4-20% peptone, 0.5-3% ammonium sulfate, 0.1-2% iron sulfate, 0.1-2% potassium dihydrogen phosphate, any one or a few mixing in the yeast of 0.1-2% magnesium sulfate and 1-5%, surplus is water, and each component sum of described B liquid is 100%；
2) add mixed enzyme agent and be sufficiently stirred for rear static, the mass ratio of the addition of mixed enzyme agent and natural Linesless charcoal is 1:(1000-2000), mixed enzyme agent includes the two or more mixing in 2-20% pectase, 5-20% protease, 5-20% lipase, 5-25% cellulase, 5-20% catalase and 5-20% amylase, surplus is water, and each component sum of described mixed enzyme agent is 100%；
3) after using negative-pressure vacuum pump evacuation, aeration-drying, it is eventually fabricated the enzyme Linesless charcoal filler that water content is 8-10%。
5. submersible type as claimed in claim 4 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that the volume ratio of described A liquid and B liquid is 1:(0.5-1.2)。
6. submersible type as claimed in claim 4 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that described natural Linesless charcoal is through the broad-leaf forest of 800-1200 DEG C of high temperature cabonization, Coniferous forest branch or bamboo root root and stem of certain plants char-forming material。
7. submersible type as claimed in claim 4 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that described step 1) in the particle diameter of Linesless charcoal after rounding be 6-20mm。
8. submersible type as claimed in claim 4 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterised in that described step 1) in sieve be logical for natural charcoal particle vibration screening machine, control between nature charcoal particle diameter 5cm-25cm。
9. submersible type as claimed in claim 1 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterized in that, denitrogenation filler in described denitrogenation packing layer is made up of bamboo sheet and denitrogenation Enzyme reactors, described denitrogenation Enzyme reactors includes polydextrose, peptone, cellulase, nitrifying ferment and denitrification enzyme。
10. submersible type as claimed in claim 9 has the device for purifying water quality of sight waterbody of denitrification functions, it is characterized in that, denitrogenation filler in described denitrogenation packing layer is prepared by following methods: the bamboo sheet through processing is added denitrogenation Enzyme reactors in the way of spraying, bamboo sheet and denitrogenation Enzyme reactors weight ratio are 8:1, described denitrogenation Enzyme reactors includes 1-5% polydextrose, 3-10% peptone, 2-20% cellulase, 5-30% nitrifying ferment, 5-30% denitrification enzyme mixing, surplus is water, and each component sum of described denitrogenation Enzyme reactors is 100%；Described bamboo sheet is the Phyllostachys pubescens Mazei ex H.de Lebaie bamboo chip through blocking, and bamboo chip is thickness 8-15mm, width 10-20mm, length 20-30mm。
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| CN110117063A (en) * | 2019-05-22 | 2019-08-13 | 江苏中百洲环境科技有限公司 | A kind of floatation type sewage-treatment plant |
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