CN110054160A - Integrated super pressure type ozone generating pipe - Google Patents

Integrated super pressure type ozone generating pipe Download PDF

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Publication number
CN110054160A
CN110054160A CN201910447020.6A CN201910447020A CN110054160A CN 110054160 A CN110054160 A CN 110054160A CN 201910447020 A CN201910447020 A CN 201910447020A CN 110054160 A CN110054160 A CN 110054160A
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China
Prior art keywords
earthing pole
ring
flange
generating pipe
sealing
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CN201910447020.6A
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Chinese (zh)
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CN110054160B (en
Inventor
李军
吴佳凡
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201910447020.6A priority Critical patent/CN110054160B/en
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/10Preparation of ozone
    • C01B13/11Preparation of ozone by electric discharge

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The present invention provides integrated super pressure type ozone generating pipe.The generator tube mainly includes two earthing poles, a high-field electrode, two dielectric layers and other accessories.The device is able to bear the air pressure of 0.4MPa ~ 0.6MPa, using the double earthing pole structures of single discharge space, creeping discharge form is wherein constituted between the first earthing pole, screw high-pressure electrode and first medium layer, screw high-pressure electrode, second dielectric layer and the second earthing pole constitute voltolising form.Due to, there are the discharge electric field of two kinds of forms, increasing the quantity of high energy particle in discharge space in the same discharge space, the efficiency of ozone generation is effectively increased.It has many advantages, such as that the ozoniferous pressure of production is big, concentration is high, occupied area is small, can satisfy the application of the industries such as bleaching, wastewater treatment.

Description

Integrated super pressure type ozone generating pipe
Technical field
The invention belongs to ozone generation technique field, it is related to a kind of ozone generating pipe of integrated super pressure type, it can be with Paper pulp bleaching and pretreatment of raw material for pulping and paper-making field.
Background technique
For at present, the use of ozone is mostly in food, medical treatment and field of waste water treatment, required for these industries Maximum Concentration of Ozone is not high, but to ozone high-volume is used for pulping and paper-making field, the Ozone Gas Mass Transfer Efficiency under low pressure state Lowly, it is unable to satisfy the demand of current industrial.
Ozone is the available most strong oxidizer of industry, has good degradation to lignin, is a kind of good gaseous state drift White dose, and can be used for the pretreatment of raw material.Ozone clean environmental protection, will not generate any pollutant.Ozone will for slurrying Trend as future development.But due to the limitation of ozone generating-device, the pressure of ozone is generated lower than 0.1MPa, when use needs It compresses, will cause the decomposition of ozone in compression process, limit the industrialization development of ozone.The present invention provides a kind of one Change super pressure type ozone generating-device, produce ozoniferous pressure up to 0.4MPa~0.6MPa, it will is ozone in slurrying Upper acquisition widely promotes and applies.
Summary of the invention
In order to which the pressure for solving current ozone generator generation ozone is lower, it is pre- to be unfavorable for bleaching and raw material in pulp industry The application of processing, the present invention provides a kind of integrated super pressure type ozone generating pipes.
The technical solution adopted by the invention is as follows:
Integrated super pressure type ozone generating pipe, including electrode and dielectric layer;The electrode includes helical form high-voltage electricity Pole, the first earthing pole and the second earthing pole;The dielectric layer includes first medium layer and second dielectric layer;First ground connection Pole is the stainless steel tube of single-ended flange plate, and the stainless steel tube of second ground connection extremely both ends flange plate, described second is situated between Matter layer is quartz glass tube, and the first medium layer is ceramics, and the outer surface of the first earthing pole is covered on by way of plating, Second dielectric layer is nested in the inside of the second earthing pole, passes through flanged joint between the first earthing pole and the second earthing pole;It is described Helical form high-field electrode cover on the surface of the first earthing pole, discharging gap is formed between second dielectric layer;The spiral Discharging gap is formed between shape high-field electrode and second dielectric layer, integrated super pressure type ozone generating pipe can be produced in outlet Raw pressure 0.4MPa~0.6MPa ozone, in discharging gap, the helical form high-field electrode and the first earthing pole it Between form creeping discharge, with the second earthing pole formed voltolising.
The invention also includes flange seal lid, flange seal lid is connect by ring flange with the second earthing pole.
The invention also includes insulation sleeve and conducting ring, the front end of first earthing pole is equipped with positioning spigot, the insulation Set is fixed on the first earthing pole by positioning spigot, and the material of the insulation sleeve is polytetrafluoroethylene (PTFE);It is opened on the insulation sleeve There are through-hole and positioning groove, conducting wire connects conducting ring and high-field electrode by through-hole;The positioning groove of conducting ring insertion insulation sleeve In, and compress conducting wire.
Further, the sealing flange cover includes sealed insulation set, threaded conductive bar, sealing ring and nut;It is described Sealing flange cover equipped with through-hole, the described sealed insulation set insertion through-hole, using high-temperature seal adhesive by sealed insulation set with Clearance seal between through-hole;The sealed insulation is arranged with threaded hole, and the threaded conductive bar screws in threaded hole until with leading Electric ring contact, the sealing ring are placed on threaded conductive bar, and the nut is solid using thread connecting mode and threaded conductive bar Determine and lock, the material of the sealed insulation set and sealing ring is polytetrafluoroethylene (PTFE).
The invention also includes flange gasket, O-ring and sealing rings;Flange gasket is placed in the sealing of the ring flange Slot, O-ring are placed in the seal groove of the sealing flange cover, and sealing ring is placed in the annular seal groove on the inside of the sealing flange cover In;Flange gasket, O-ring and the sealing ring is both needed to using EPDM material.
The distance of discharging gap of the present invention should be 2mm~3.5mm.
The invention also includes cooling-water duct, the inside of first earthing pole is cooling-water duct.
The invention also includes oxygen inlets and ozone outlet;Oxygen inlet is located at second earthing pole close to sealing flange It is 80~120mm at a distance from the tube body side of lid side, with the second earthing pole and sealing flange cover sealing surface;The ozone outlet Positioned at second earthing pole close to the tube body side of ring flange side, with the oxygen inlet in the same of the second earthing pole It is 15~30mm at a distance from side, with the second earthing pole and flangeseal face.
The distance of the discharging gap should be 2mm~3.5mm.
The integrated super pressure type ozone generating pipe further includes cooling duct, the inside of first earthing pole For cooling duct.
The helical form high-field electrode is the stainless steel material of the anti-ozone corrosion of helical form.
The material of the first medium layer is α-Al2O3, and the material of the second dielectric layer is quartz glass.
Integrated super pressure type ozone generating pipe of the invention is worked in super pressure environment, traditional ozone hair Raw pipe produces ozoniferous efficiency and sharply declines, to solve the above-mentioned problems, tubular ozone occurs the present invention when air pressure increases High-field electrode, using the principle of creeping discharge and voltolising, is placed in two groups between earthing pole and dielectric layer by transformation by pipe, Two kinds of discharge modes are constituted, the structure type of the double electric discharges of single discharging gap is realized.It is put due to having two kinds in the same space Electric form, that is, there are two kinds of discharge electric fields, therefore the ozoniferous efficiency of production can greatly improve.
After integrated super pressure type ozone generating pipe of the invention is passed through hyperbar gas, due to air pressure in discharging gap Higher, sealing requirements are higher.Mainly there is at three the leakage point of gas in its gap, i.e. the first earthing pole and the second earthing pole Junction, flange seal lid and the second earthing pole junction and threaded conductive bar at.In order to meet the needs of super pressure, It is attached between first earthing pole and the second earthing pole by flange, method is also used between flange seal lid and the second earthing pole Orchid connects, and the material of gasket and O-ring between flange needs the EPDM material using resistance to ozone corrosion.Threaded conductive Bar requires insulation should be kept to keep sealing with the first earthing pole again simultaneously with the first earthing pole, under such requirement, if Sealed insulation set has been set, sealed insulation, which is locked, to be fitted over flange seal and covers, and is fixed and is sealed using high-temperature seal adhesive, Threaded hole is set on sealed insulation set, after screwing in threaded conductive bar, upper sealing ring is covered on threaded rod, and locked with nut, Axial seal is changed into end face seal.
Since the first earthing pole and the second earthing pole, this hair cannot be contacted in the conducting wire of high-field electrode and access high-voltage electricity The connection type of the high-voltage electricity of bright integrated super pressure type ozone generating pipe is to contact conducting ring after threaded conductive bar screws in, Conducting ring is fixed in the groove of insulation sleeve, and the inside of insulation sleeve is provided with through-hole, for connecting the conducting wire of high-field electrode and conducting ring Pass through.
In order to extend the service life of ozone generating pipe, the first earthing pole of the invention, the second earthing pole and sealing flange Lid uses the stainless steel material of 316L.
First medium layer choosing of the invention selects the high ceramic material of dielectric constant, and in order to guarantee compactness, using electricity The mode ceramics of plating are covered on the outer surface of the first earthing pole.Second dielectric layer selection hardness is higher, molding is easier to, dielectric is normal The relatively high quartz glass of number.
The inside of the first earthing pole fitted closely with high-field electrode is arranged in cooling duct of the invention, using water cooling Mode can take away the amount of heat that electric discharge generates, and the ozone prevented is thermally decomposed, and influence the efficiency for generating ozone.
Compared with prior art, present invention has an advantage that
Ozone generating pipe of the invention pressurizes without using ozone compressor secondary, generated Maximum Concentration of Ozone highest Up to 0.6MPa, the 0.1MPa of significantly larger than existing ozone generator, it is suppressed that decomposition of the ozone in compression process, and in height Under conditions of air pressure, the ozone concentration of generation reaches as high as 115g/m3, the application field of ozone can be greatly promoted.The present invention It is two kinds of discharge electric fields of offer in the same discharging gap, alleviates in traditional ozone generating pipe, when air pressure increases, high energy electricity The insufficient defect of subnumber amount, effectively increases the quantity of high energy electron in discharging gap, improves the work effect of ozone generating pipe Rate.
Detailed description of the invention
Fig. 1 is the sectional structure chart of integrated super pressure type ozone generating pipe;
Fig. 2 is the sectional structure chart of the first earthing pole;
Fig. 3 is the sectional structure chart of insulation sleeve;
Fig. 4 is the insulation mode and sealing means sectional structure chart that sealing flange covers threaded conductive bar.
The reference numerals are as follows in figure:
First earthing pole 1, flange gasket 2, the second earthing pole 3, ozone outlet 4, high-field electrode 5, first medium layer 6, Second dielectric layer 7, oxygen inlet 8, insulation sleeve 9, conducting ring 10, O-ring 11, flange seal lid 12, sealing ring 13, sealed insulation It is set 14, conductive lever 15, through-hole 16, groove 17, seam allowance 18, ring flange 19, sealing ring 20, nut 21, discharging gap 22, cold But aquaporin 23, threaded hole 28.
Specific embodiment
With reference to the accompanying drawing, the technical solution in the present invention is clearly and completely described, described example is only It is certain embodiments of the invention.
Referring to Fig.1~Fig. 4, integrated super pressure type ozone generating pipe, including electrode and dielectric layer;The electrode includes Helical form high-field electrode 5, the first earthing pole 1 and the second earthing pole 3;The dielectric layer includes that first medium layer 6 and second are situated between Matter layer 7;First earthing pole 1 is the stainless steel tube of single-ended flange plate 19, and second earthing pole 3 is both ends flange plate 23 stainless steel tube, the second dielectric layer 7 are quartz glass tube, and the first medium layer 6 is ceramics, by way of plating It is covered on the outer surface of the first earthing pole 1, second dielectric layer 7 is nested in the inside of the second earthing pole 3, the first earthing pole 1 and Pass through flanged joint between two earthing poles 3;5 sets of the helical form high-field electrode surfaces in the first earthing pole 1 are situated between with second Discharging gap 22 is formed between matter layer 7;Discharging gap 22 is formed between the helical form high-field electrode 5 and second dielectric layer 7, Integrated super pressure type ozone generating pipe can generate pressure in the ozone of 0.4MPa~0.6MPa, in discharging gap in outlet In 22, creeping discharge is formed between the helical form high-field electrode 5 and the first earthing pole 1, is formed with the second earthing pole 3 noiseless Electric discharge.It further include flange seal lid 12, flange seal lid 12 is connect by ring flange 19 with the second earthing pole 3.It further include insulation Set 9 and conducting ring 10, the front end of first earthing pole are equipped with positioning spigot 18, and the insulation sleeve 9 is solid by positioning spigot 18 It is scheduled on the first earthing pole, the material of the insulation sleeve 9 is polytetrafluoroethylene (PTFE);Through-hole 16 and positioning are provided on the insulation sleeve 9 Groove 17, conducting wire connect conducting ring 10 and high-field electrode 5 by through-hole 16;The positioning groove 17 of the insertion insulation sleeve 9 of conducting ring 10 In, and compress conducting wire.The sealing flange cover 12 includes sealed insulation set 14, threaded conductive bar 15, sealing ring 20 and nut 21;The sealing flange cover 12 is equipped with through-hole 16, and the 14 insertion through-hole 16 of sealed insulation set uses high-temperature seal adhesive By the clearance seal between sealed insulation set 14 and through-hole 16;The sealed insulation set 14 is equipped with threaded hole 28, and the screw thread is led Electric pole 15 screws in threaded hole 28 until contacting with conducting ring 10, and the sealing ring 20 is placed on threaded conductive bar 15, the spiral shell Cap 21 is fixed with threaded conductive bar 15 using thread connecting mode and locks, the material of the sealed insulation set 14 and sealing ring 20 Material is polytetrafluoroethylene (PTFE).It further include flange gasket 2, O-ring 11 and sealing ring 13;Flange gasket 2 is placed in the ring flange 19 seal groove 25, O-ring 11 are placed in the seal groove 26 of the sealing flange cover 12, and sealing ring 13 is placed in the sealing flange It covers in the annular seal groove 27 of inside;Flange gasket 2, O-ring 11 and the sealing ring 13 is both needed to using EPDM material Material.The distance of the discharging gap 22 should be 2mm~3.5mm.It further include cooling-water duct 24, first earthing pole 1 Inside is cooling-water duct 24.It further include oxygen inlet 8 and ozone outlet 4;Oxygen inlet 8 is located at second earthing pole 3 and leans on The tube body side of nearly 12 side of sealing flange cover, at a distance from 12 sealing surface of the second earthing pole 3 and sealing flange cover for 80~ 120mm;The ozone outlet 4 is located at second earthing pole 3 close to the tube body side of 19 side of ring flange, with the oxygen into Mouth 8 is 15~30mm at a distance from the same side of the second earthing pole 3, with 19 sealing surface of the second earthing pole 3 and ring flange.Cooling water Channel 24 can timely and effectively take away the heat that electric discharge generates in the inside that the first earthing pole 1 is arranged in of the first earthing pole 1 Amount.After being passed through oxygen, oxygen is flowed into from oxygen inlet 8, and after some column exoelectrical reactions, the ozone of generation is from ozone outlet 4 Outflow.

Claims (8)

1. integrated super pressure type ozone generating pipe, which is characterized in that including electrode and dielectric layer;The electrode includes spiral Shape high-field electrode (5), the first earthing pole (1) and the second earthing pole (3);The dielectric layer includes first medium layer (6) and Second medium layer (7);First earthing pole (1) is the stainless steel tube of single-ended flange plate (19), and second earthing pole (3) is The stainless steel tube of both ends flange plate (23), the second dielectric layer (7) are quartz glass tube, and the first medium layer (6) is Ceramics, are covered on the outer surface of the first earthing pole (1) by way of plating, and second dielectric layer (7) is nested in the second earthing pole (3) inside passes through flanged joint between the first earthing pole (1) and the second earthing pole (3);The helical form high-field electrode (5) surface in the first earthing pole (1) is covered, forms discharging gap (22) between second dielectric layer (7);The helical form is high Discharging gap (22) are formed between piezoelectricity pole (5) and second dielectric layer (7), integrated super pressure type ozone generating pipe can be Outlet generates pressure in the ozone of 0.4MPa ~ 0.6MPa, in the discharging gap (22), the helical form high-field electrode (5) with First earthing pole forms creeping discharge between (1), forms voltolising with the second earthing pole (3).
2. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: further include flange seal It covers (12), flange seal lid (12) is connect by ring flange (19) with the second earthing pole (3).
3. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: further include insulation sleeve (9) and conducting ring (10), the front end of first earthing pole are equipped with positioning spigot (18), and the insulation sleeve (9) is stopped by positioning Mouth (18) is fixed on the first earthing pole, and the material of the insulation sleeve (9) is polytetrafluoroethylene (PTFE);It is provided on the insulation sleeve (9) Through-hole (16) and positioning groove (17), conducting wire pass through through-hole (16) connection conducting ring (10) and high-field electrode (5);Conducting ring (10) It is embedded in the positioning groove (17) of insulation sleeve (9), and compresses conducting wire.
4. integration super pressure type ozone generating pipe according to claim 2, it is characterised in that: the sealing flange cover It (12) include sealed insulation set (14), threaded conductive bar (15), sealing ring (20) and nut (21);The sealing flange cover (12) through-hole (16) are equipped with, the sealed insulation set (14) is inserted into through-hole (16), using high-temperature seal adhesive by sealed insulation Cover the clearance seal between (14) and through-hole (16);The sealed insulation set (14) is equipped with threaded hole (28), the threaded conductive Bar (15) screws in threaded hole (28) until contacting with conducting ring (10), and the sealing ring (20) is placed on threaded conductive bar (15) On, the nut (21) is fixed with threaded conductive bar (15) using thread connecting mode and locks, the sealed insulation set (14) Material with sealing ring (20) is polytetrafluoroethylene (PTFE).
5. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: further include flange seal Pad (2), O-ring (11) and sealing ring (13);Flange gasket (2) is placed in the seal groove (25) of the ring flange (19), O-ring (11) it is placed in the seal groove (26) of the sealing flange cover (12), sealing ring (13) is placed in the ring on the inside of the sealing flange cover In shape seal groove (27);Flange gasket (2), O-ring (11) and the sealing ring (13) is both needed to using EPDM material Material.
6. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: the discharging gap (22) distance should be 2mm ~ 3.5mm.
7. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: further include that cooling water is logical Road (24), the inside of first earthing pole (1) are cooling-water duct (24).
8. integration super pressure type ozone generating pipe according to claim 1, it is characterised in that: further include oxygen inlet (8) and ozone outlet (4);Oxygen inlet (8) is located at tube body of second earthing pole (3) close to sealing flange cover (12) side It is 80 ~ 120mm at a distance from side, with the second earthing pole (3) and sealing flange cover (12) sealing surface;Ozone outlet (4) position In second earthing pole (3) close to the tube body side of ring flange (19) side, with the oxygen inlet (8) in the second earthing pole It (3) is 15 ~ 30mm at a distance from the same side, with the second earthing pole (3) and ring flange (19) sealing surface.
CN201910447020.6A 2019-05-27 2019-05-27 Integrated ultrahigh-pressure ozone generating tube Active CN110054160B (en)

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CN201910447020.6A CN110054160B (en) 2019-05-27 2019-05-27 Integrated ultrahigh-pressure ozone generating tube

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Application Number Priority Date Filing Date Title
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CN110054160B CN110054160B (en) 2024-04-16

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2125581U (en) * 1992-06-20 1992-12-23 鞍山静电技术研究设计院 Ozone water sterilizer
CN2804058Y (en) * 2005-07-18 2006-08-09 吴斌 Flat ozonator
CN2903022Y (en) * 2006-01-20 2007-05-23 北京安力斯科技发展有限公司 Outglass tube type water cooled ozone generator
CN2926186Y (en) * 2006-01-17 2007-07-25 同方股份有限公司 Double-cooling ozone discharging tube
CN201686489U (en) * 2010-03-11 2010-12-29 苏全德 Double-dielectric flat-plate type ozone generator
CN201999734U (en) * 2011-03-23 2011-10-05 刁国贤 Integrated ozone generator
CN103159185A (en) * 2012-06-18 2013-06-19 上海理工大学 Multiple ozone generating device
CN105129739A (en) * 2015-08-31 2015-12-09 陈勇 Dielectric barrier corona discharge ozone generation device
CN210595266U (en) * 2019-05-27 2020-05-22 华南理工大学 Integrated ultrahigh-pressure ozone generating tube

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2125581U (en) * 1992-06-20 1992-12-23 鞍山静电技术研究设计院 Ozone water sterilizer
CN2804058Y (en) * 2005-07-18 2006-08-09 吴斌 Flat ozonator
CN2926186Y (en) * 2006-01-17 2007-07-25 同方股份有限公司 Double-cooling ozone discharging tube
CN2903022Y (en) * 2006-01-20 2007-05-23 北京安力斯科技发展有限公司 Outglass tube type water cooled ozone generator
CN201686489U (en) * 2010-03-11 2010-12-29 苏全德 Double-dielectric flat-plate type ozone generator
CN201999734U (en) * 2011-03-23 2011-10-05 刁国贤 Integrated ozone generator
CN103159185A (en) * 2012-06-18 2013-06-19 上海理工大学 Multiple ozone generating device
CN105129739A (en) * 2015-08-31 2015-12-09 陈勇 Dielectric barrier corona discharge ozone generation device
CN210595266U (en) * 2019-05-27 2020-05-22 华南理工大学 Integrated ultrahigh-pressure ozone generating tube

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