CN102430334A - Biological filler with self-rotating function for waste gas treatment - Google Patents
Biological filler with self-rotating function for waste gas treatment Download PDFInfo
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- CN102430334A CN102430334A CN2011103506346A CN201110350634A CN102430334A CN 102430334 A CN102430334 A CN 102430334A CN 2011103506346 A CN2011103506346 A CN 2011103506346A CN 201110350634 A CN201110350634 A CN 201110350634A CN 102430334 A CN102430334 A CN 102430334A
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- muscle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The invention relates to the field of filler and aims at providing biological filler with a self-rotating function for waste gas treatment. The biological filter comprises a spherical support frame and a hollow multi-surface sphere, wherein the spherical support frame is formed by the abutting joint of two semispherical surfaces, each semispherical surface is formed by a plurality of longitudinal bars and transverse bars which are staggered; the hollow multi-surface sphere comprises a rotating shaft and a plurality of semi-circular blades which are fixed on the rotating shaft through straight sides; the two ends of the rotating shaft are arranged in a rotating shaft sleeve of the spherical support frame; and the hollow multi-surface sphere can freely rotate in the spherical support frame. The biological filler has the advantages of being beneficial to the uniform growing and distribution of microorganisms on the surface of the filler, further being beneficial to the increasing of microorganism charge capacity of the filler in unit volume, the purification efficiency of waste gas and load, being capable of promoting aged biological membranes to timely fall off and be taken away from gaps of the filter along with circulating water so as to avoid short-circuiting and blocking of a filler layer and having large enough specific surface area and void ratio, thereby ensuring the surface and space required for the growth of the microorganisms.
Description
Technical field
The present invention relates to a kind of filler that is used for biological treatment device for exhaust gas, particularly a kind of filler that is used for the waste gas bio-trickling device.
Background technology
The waste gas biologic treating technique is compared physics and chemiadsorption, and to be acknowledged as processing cost low, and secondary pollution is little.In recent years, this technology is by broad research and obtain the practical applications of certain scale.
The bio-trickling method has that biomass is big, and service condition is easy to advantages such as control, is a kind of efficient waste gas biologic treating technique.Biofilm packing is the carrier of microbial adhesion and material Transfer in the bio-trickling device, and its performance directly affects the effect of waste gas purification.
Filler self is heavier higher to the bioreactor construction requirement of strength, can increase the emission-control equipment cost.Filler physicochemical property instability can cause run duration to need frequent change and possibly form secondary pollution.Packing specific area and surface roughness thereof are directly connected to its biomass that adheres to.Filler porosity size directly influences the packing layer resistance drop.Very few when the microbial biomass of unit volume filler load, exhaust purification efficiency and pollutant removal load will be on the low side; When the excessive accumulation of packing microbial resulted in blockage, increase fell in the bioreactor internal resistance, and operation energy consumption increases, and pollutants removal rate descends, even makes whole device in paralyzed state.Therefore; Bulk density is little except that satisfying for desirable biologic packing material, physicochemical property is stable, specific area and voidage are big, be easy to general requirement the such as microorganism colonization; Also should have the reasonable space structure; The biomembrane of being convenient to wear out, come off is in time discharged from filler space with shower water, avoids causing that because of biomembrane excessively accumulates packing layer stops up.
The traditional biological filler mainly contains common chemical fillers such as haydite, volcanic rock, granular activated carbon, cinder and Raschig ring, Pall ring, because of defective such as have that proportion is excessive, intensity is low or voidage is little, has been tending towards eliminating or less independent use.Chinese patent 200620107863.X, biologic packing materials such as 200820170724.0 have had bigger improvement to the space structure of filler.But filler self is static, because contact and crossover phenomenon between the filler, gas, liquid produce bias current, channel is inevitable, when serious in addition the part filler can not be fully moistening.The moisture that causes each position of filler to obtain is different with nutrient matrix, and microorganism accumulates in local excessive, the high pollution thing load or the condition of long-time running under, be short-circuited easily or stop up.
Therefore, further develop biologic packing material efficiently, have higher engineering proper value.
Summary of the invention
The problem that the present invention will solve is, overcomes deficiency of the prior art, proposes a kind of exhaust-gas treatment biologic packing material with spin function.Be the technical solution problem, solution of the present invention is:
A kind of exhaust-gas treatment biologic packing material with spin function is provided, comprises the blade that is used for the carry microorganism, the profile semicircular in shape of said blade; Filler is made up of spherical bracing frame and hollow polyhedron globe; Wherein,
Spherical bracing frame is formed by two hemisphere face butt joints, and each hemisphere face constitutes by some staggered warp muscle and parallel muscle; Two hemispherical joints constitute the equator muscle of spherical bracing frame, and the parallel muscle on each hemisphere face summit constitutes rotary sleeve; One end of hemispherical warp muscle is connected with the equator muscle, and the other end then is intersected in the parallel muscle on this hemisphere face summit;
Hollow polyhedron globe is made up of with the blade that straight flange is fixed on the rotating shaft with several rotating shaft, and blade is that the center is divergent shape and evenly distributes adjacent blades formation grid cell with the rotating shaft;
The two ends of the rotating shaft of said hollow polyhedron globe are installed among the rotary sleeve on two hemisphere face summits of spherical bracing frame, and hollow polyhedron globe can rotate freely in spherical bracing frame.
As a kind of improvement, said hemispherical warp muscle is evenly distributed.
As a kind of improvement, a parallel muscle is set at least between the parallel muscle on summit and the equator muscle on the said hemisphere face.
As a kind of improvement, the warp muscle on two hemisphere faces after the butt joint is interlaced layout.
As a kind of improvement, the surface of said blade is provided with wavy or netted lines or is evenly equipped with salient point, burr or depression position.
As a kind of improvement, the internal diameter of said spherical bracing frame is 25~200mm, and after spherical bracing frame and the combination of hollow polyhedron globe, the gap between the two is 0.5~10mm.
As a kind of improvement, the parallel muscle on the said hemisphere face is 1~3, and the warp muscle is 4~10.
As a kind of improvement, said blade is 5~12, and vane thickness is 0.5~2mm.
As a kind of improvement, the outer end diameter of described rotating shaft is 0.5~5mm, and the gap between rotary sleeve and the rotating shaft is 0.2~1.5mm.
As a kind of improvement, be 3~15 ° inclination angle between the straight flange of said blade and the rotating shaft.
Among the present invention filler can be the monomer that the hollow polyhedron globe of a spherical bracing frame and is formed, also can be several monomers according to certain way is arranged, fixing back forms integral body.The manufacturing materials of filler adopts high molecular synthetic material or their mixtures such as PP, PE, PVC; The surface of blade is through hydrophilically modified.
Compared with prior art, the invention has the beneficial effects as follows:
(1) blade makes that under the promotion of gas, flow hollow polyhedron globe can rotate freely; Also make each position humidity and the nutritional condition basically identical of filler; Help microorganism and evenly grow, distribute, and then help improving load of microorganisms amount, exhaust purification efficiency and the load of unit volume filler at filling surface.
(2) gentle, the washing away of liquid of the rotation of hollow polyhedron globe strengthened biomembranous shearing and friction, impels aging biomembrane in time to come off and takes away from filler space with recirculated water, avoided packing layer to be short-circuited or stops up.
(3) have enough big specific area and voidage, guaranteed surface and space that growth of microorganism is required; The compatibility with microorganism has been improved on coarse and hydrophilic surface, is suitable for microorganism and adheres in a large number fast; Hollow and divergent shape blade construction provide good gas-liquid mass transfer performance, help reducing the biomembrane that resistance and discharge come off.
Description of drawings
Fig. 1 is a spin function waste gas biologic packing material structural representation;
Fig. 2 is a spin function waste gas biologic packing material STRUCTURE DECOMPOSITION sketch map;
Fig. 3 is a spin function waste gas biologic packing material blade vertical view;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is that rotating shaft is connected sketch map with blade.
Reference numeral among the figure is: parallel muscle, 6 rotary sleeves, 7 warp muscle, 8 rotating shafts, 9 blades, 10 grid cells that will constitute the equator muscle after 1 spherical bracing frame, 2 hollow polyhedron globes, 3 equator muscle, 5 butt joints of 4 parallel muscle.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described.
The exhaust-gas treatment biologic packing material with spin function among the present invention is made up of with hollow polyhedron globe 2 spherical bracing frame 1, and hollow polyhedron globe 2 can rotate freely in spherical bracing frame 1.Spherical bracing frame 1 constitutes the hemisphere face butt joint by two identical some staggered ribs and forms, and joint constitutes the equator muscle 3 of sphere.That two hemispherical connections can be adopted is bonding, welding or cross-under mode, docks the interlaced layout of warp muscle on latter two hemisphere face.Even distribution plurality of warp threads muscle 7 on the hemisphere face, warp muscle 7 one ends are connected with equator muscle 3, and other end summit intersects at spheroid summit parallel muscle.Spheroid summit parallel muscle constitutes rotary sleeve 6.Between summit parallel muscle (rotary sleeve 6) and the equator muscle 5 one or more parallel muscle 7 is set on the hemisphere face, parallel muscle 7 is connected in one with parallel muscle 4 and equator muscle 3.Hollow polyhedron globe 2 is the equally distributed semicircular blade 9 of divergent shape around rotating shaft 8 and is surrounded and form by some, and adjacent blades constitutes grid cell 10.Blade 9 is connected in one with rotating shaft 8.Two tops of rotating shaft 8 place in the rotary sleeve 6 of spherical bracing frame 1, and hollow polyhedron globe 2 can rotate freely in spherical bracing frame 1.
In the present embodiment, after described spherical bracing frame 1 makes up with hollow polyhedron globe 2, spherical bracing frame internal diameter 25mm; Hollow polyhedron globe external diameter 23mm; The gap that has 1mm between the two, rotating shaft end diameter 1mm, rotary sleeve is interior through 1.5mm; The gap that has 0.25mm between the two, hollow polyhedron globe can freely rotate in spherical bracing frame.
In the present embodiment, the hemisphere face bracing frame is provided with 6 in warp muscle, recommends 4~10; The hemisphere face bracing frame is provided with 1 in parallel, can certainly many; Two hemisphere face bracing frame warp muscle interlaced arrangement, 30 ° of stagger angles can certainly other angle; Blade 9 encircles into 5 ° of inclination angles with rotating shaft 8 and evenly distributes, and recommends 3 °~15 °; Rotating shaft 8 diameters middle part is 2mm, the direct 1mm in rotating shaft end, length 27mm; The diameter of semicircular blade 9 is 23mm, and thickness is the 1.5mm thin slice, and quantity is 6, recommends 5~12.
In the present embodiment, blade 9 surfaces can certainly be netted lines through hydrophilically modified and be provided with wavy lines, can also be to be evenly equipped with salient point, burr, depression etc.
In the present embodiment, the manufacturing materials of filler is the PP material, can also adopt high molecular synthetic material or their mixtures such as PE, PVC certainly.
Below be that the test of static biologic packing material and filler of the present invention is compared.
Parallel test: 1 group of 2 cover of bio-trickling bed apparatus of setting up diameter 200mm, high 800mm transparent organic glass tower; In the tower respectively installation specification be line wing many-sided ball and 2 kinds of fillers of rotation many-sided ball of Dg25; Bed stuffing height 500mm; 2 tower parallel runnings, air-intake load is identical with process conditions such as nutrient solution sprays.
Benzene and toluene mix waste gas are handled in test, handle flow 2 * 1.5m
3/ h, waste gas gets into bio-trickling filter at the bottom of tower, and nutrient solution sprays from top of tower, gas-liquid counter current operation, wherein benzene concentration 324~438mg/m
3, toluene concentration 242~374mg/m
3, moving 6 months continuously, the result shows that rotation many-sided ball of the present invention is compared with static line wing many-sided ball, is reaching when hanging film stable operation, can adhere to more microbial biomass and filling surface biomembrane thickness is even, and obtains treatment effect preferably.
The test run later stage (after 4 months); The interior generation of bio-trickling filter that line wing many-sided ball filler is housed slightly stopped up; Filler top biomembrane is thicker, and the bottom is thinner, and rotation many-sided ball filling surface biomembrane thickness is even; Packing layer keeps lower resistance to fall, and treatment effect obviously is superior to adorning the bio-trickling filter of line wing many-sided ball filler.
The filler specification is seen table 1 with concrete test data.
Table 1, filler specification and test data table
Line wing many-sided ball packing specific area is bigger than spin many-sided ball filler, and stationary phase, biomass was starkly lower than the spin many-sided ball, this shows that line wing many-sided ball filler do not give full play to the advantage of its bigger serface.
Spin many-sided ball filler is in actual engineering operation, and its specification can be amplified, and is generally Φ 50mm~Φ 150mm.
Visible by above-mentioned instance; Biological treatment filler with spin function of the present invention; Have that specific area is big, porosity is high, resistance drop is little, unit volume microbial adhesion amount is big, filling surface biomembrane thickness is even, long-time running is difficult for characteristics such as obstructions, so contaminant removal efficiency and loading all than higher; Be suitable for the waste gas biological treatment system, have a extensive future.
Claims (10)
1. the exhaust-gas treatment biologic packing material with spin function comprises the blade that is used for the carry microorganism, it is characterized in that the profile semicircular in shape of said blade;
Filler is made up of spherical bracing frame and hollow polyhedron globe; Wherein,
Spherical bracing frame is formed by two hemisphere face butt joints, and each hemisphere face constitutes by some staggered warp muscle and parallel muscle; Two hemispherical joints constitute the equator muscle of spherical bracing frame, and the parallel muscle on each hemisphere face summit constitutes rotary sleeve; One end of hemispherical warp muscle is connected with the equator muscle, and the other end then is intersected in the parallel muscle on this hemisphere face summit;
Hollow polyhedron globe is made up of with the blade that straight flange is fixed on the rotating shaft with several rotating shaft, and blade is that the center is divergent shape and evenly distributes adjacent blades formation grid cell with the rotating shaft;
The two ends of the rotating shaft of said hollow polyhedron globe are installed among the rotary sleeve on two hemisphere face summits of spherical bracing frame, and hollow polyhedron globe can rotate freely in spherical bracing frame.
2. filler according to claim 1 is characterized in that, said hemispherical warp muscle is evenly distributed.
3. filler according to claim 1 is characterized in that, a parallel muscle is set between the parallel muscle on summit and the equator muscle on the said hemisphere face at least.
4. filler according to claim 1 is characterized in that, the warp muscle on two hemisphere faces after the butt joint is interlaced layout.
5. filler according to claim 1 is characterized in that, the surface of said blade is provided with wavy or netted lines or is evenly equipped with salient point, burr or depression position.
6. filler according to claim 1 is characterized in that, the internal diameter of said spherical bracing frame is 25~200mm, and after spherical bracing frame and the combination of hollow polyhedron globe, the gap between the two is 0.5~10mm.
7. filler according to claim 1 is characterized in that, the parallel muscle on the said hemisphere face is 1~3, and the warp muscle is 4~10.
8. filler according to claim 1 is characterized in that, said blade is 5~12, and vane thickness is 0.5~2mm.
9. filler according to claim 1 is characterized in that, the outer end diameter of described rotating shaft is 0.5~5mm, and the gap between rotary sleeve and the rotating shaft is 0.2~1.5mm.
10. filler according to claim 1 is characterized in that, is 3~15 ° inclination angle between the straight flange of said blade and the rotating shaft.
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CN2011103506346A CN102430334A (en) | 2011-11-08 | 2011-11-08 | Biological filler with self-rotating function for waste gas treatment |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104353353A (en) * | 2014-11-07 | 2015-02-18 | 嘉园环保有限公司 | Biological trickling filter capable of automatically regulating microbial distribution |
CN107720957A (en) * | 2017-11-16 | 2018-02-23 | 广州市普淳环保科技有限公司 | Constant-temperatureanaerobic anaerobic processing high concentrated organic wastewater and the reaction unit and processing method of solid waste in batch-type |
CN107760582A (en) * | 2017-11-16 | 2018-03-06 | 广州市普淳环保科技有限公司 | The integrated processing system and processing method of high concentrated organic wastewater and solid waste |
CN108928930A (en) * | 2018-07-04 | 2018-12-04 | 林子轩 | A kind of beautiful energy-saving environmental protection device and administering method of self-purging water bodies of rivers and lakes |
CN109045998A (en) * | 2018-07-11 | 2018-12-21 | 王晖 | A kind of biological deodorizing device with biologic packing material rotating cylinder |
CN110180296A (en) * | 2019-04-28 | 2019-08-30 | 山西尚风科技股份有限公司 | A kind of haze purifying ball |
CN112058076A (en) * | 2020-08-06 | 2020-12-11 | 华南理工大学 | Device and method for removing nitrogen oxides by biological rotating ball type reactor |
CN113860485A (en) * | 2021-11-03 | 2021-12-31 | 河南省科学院能源研究所有限公司 | Suspended biological filler |
CN115432781A (en) * | 2022-08-26 | 2022-12-06 | 浙江工商大学 | Suspended iron-carbon micro-electrolysis filler and preparation method and application thereof |
WO2024066303A1 (en) * | 2022-09-30 | 2024-04-04 | 浙江海洋大学 | Magnetic composite carrier and preparation method therefor |
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CN2362845Y (en) * | 1999-01-25 | 2000-02-09 | 童省吾 | Strip shape rotary type suspension padding |
CN202343094U (en) * | 2011-11-08 | 2012-07-25 | 浙江工业大学 | Waste gas treatment biological carrier with self-rotating function |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2362845Y (en) * | 1999-01-25 | 2000-02-09 | 童省吾 | Strip shape rotary type suspension padding |
CN202343094U (en) * | 2011-11-08 | 2012-07-25 | 浙江工业大学 | Waste gas treatment biological carrier with self-rotating function |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104353353A (en) * | 2014-11-07 | 2015-02-18 | 嘉园环保有限公司 | Biological trickling filter capable of automatically regulating microbial distribution |
CN107720957B (en) * | 2017-11-16 | 2023-09-08 | 广州市普淳环保科技有限公司 | Reaction device and method for anaerobic treatment of high-concentration organic wastewater and solid waste at constant temperature in sequencing batch |
CN107720957A (en) * | 2017-11-16 | 2018-02-23 | 广州市普淳环保科技有限公司 | Constant-temperatureanaerobic anaerobic processing high concentrated organic wastewater and the reaction unit and processing method of solid waste in batch-type |
CN107760582A (en) * | 2017-11-16 | 2018-03-06 | 广州市普淳环保科技有限公司 | The integrated processing system and processing method of high concentrated organic wastewater and solid waste |
CN107760582B (en) * | 2017-11-16 | 2023-12-08 | 广州市普淳环保科技有限公司 | Integrated treatment system and treatment method for high-concentration organic wastewater and solid waste |
CN108928930A (en) * | 2018-07-04 | 2018-12-04 | 林子轩 | A kind of beautiful energy-saving environmental protection device and administering method of self-purging water bodies of rivers and lakes |
CN109045998A (en) * | 2018-07-11 | 2018-12-21 | 王晖 | A kind of biological deodorizing device with biologic packing material rotating cylinder |
CN110180296A (en) * | 2019-04-28 | 2019-08-30 | 山西尚风科技股份有限公司 | A kind of haze purifying ball |
CN112058076A (en) * | 2020-08-06 | 2020-12-11 | 华南理工大学 | Device and method for removing nitrogen oxides by biological rotating ball type reactor |
CN112058076B (en) * | 2020-08-06 | 2022-05-24 | 华南理工大学 | Device and method for removing nitrogen oxides by biological rotating ball type reactor |
CN113860485A (en) * | 2021-11-03 | 2021-12-31 | 河南省科学院能源研究所有限公司 | Suspended biological filler |
CN115432781A (en) * | 2022-08-26 | 2022-12-06 | 浙江工商大学 | Suspended iron-carbon micro-electrolysis filler and preparation method and application thereof |
CN115432781B (en) * | 2022-08-26 | 2023-11-14 | 浙江工商大学 | Suspension type iron-carbon micro-electrolysis filler and preparation method and application thereof |
WO2024066303A1 (en) * | 2022-09-30 | 2024-04-04 | 浙江海洋大学 | Magnetic composite carrier and preparation method therefor |
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Application publication date: 20120502 |