CN103819068A - Sludge ozonation reaction tank - Google Patents
Sludge ozonation reaction tank Download PDFInfo
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- CN103819068A CN103819068A CN201410072994.8A CN201410072994A CN103819068A CN 103819068 A CN103819068 A CN 103819068A CN 201410072994 A CN201410072994 A CN 201410072994A CN 103819068 A CN103819068 A CN 103819068A
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- ozone
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Abstract
The invention relates to a sludge ozonation reaction tank. The sludge ozonation reaction tank comprises a tank body, an upper cover and a stirring device. The stirring device comprises stirring disks, a rotating shaft and a driving mechanism. An ozone inlet channel is disposed in the rotating shaft along the axial direction. Each stirring disk comprises an upper disk and a lower disk which are fixed to each other. The upper disks and the lower disks are provided with ozone outlet channels and aeration ports. Each aeration port is provided with an aeration head. Each aeration head comprises a sleeve, a rigid net, an elastic soft membrane and an annular hold hoop. The end with a smaller cross section of each sleeve protrudes out of the outer surface of the corresponding upper disk or the outer surface of the corresponding lower disk. Each rigid net is disposed at the end surface of the protruding end of the corresponding sleeve. Each elastic soft membrane covers the corresponding rigid net and is fixed to the protruding end of the corresponding sleeve through the corresponding annular hold hoop. Each elastic soft membrane is provided with at least one cross kerf. The outer surfaces of the elastic soft membranes are fully exposed in the tank body. Aeration is performed under a stirring state so that sludge and the ozone are fully contacted. The aeration heads can suit stirring conditions well and achieve better aeration and backflow prevention functions.
Description
Technical field
The present invention relates to a kind of sludge ozone retort.
Background technology
While stipulating mud and domestic garbage mixing landfill in national standard " urban wastewater treatment firm sludge disposal mixing landfill shale " (GB/T 23485-2009), moisture percentage in sewage sludge should be less than 60%.Existing sludge dewatering treatment device is generally made up of sludge delivery pump and Chamber Type Diaphragm Filter Press, and the mud of the water ratio 99% that sewage work produces directly pumps into Chamber Type Diaphragm Filter Press and carries out filter-press dehydration processing, and this device can reach the requirement of above-mentioned standard substantially.But this device is directly sent the mud of water ratio 99% into Chamber Type Diaphragm Filter Press, without any predrainage, dehydrating amount is large, makes pressure filter keep huge working load, and the long-term large load operation of pressure filter, easily be out of order, also make filter-press dehydration effect unstable.In addition, which also only can reach above-mentioned national standard substantially, can't obtain more excellent dehydrating effect.
Cause the major cause of the problems referred to above to be: between the microorganism cells in the excess sludge that sewage work produces and organic colloid, to form " viscose glue phase region ", can wrap a large amount of interstitial waters, and microorganism cells contains a large amount of cellular water, and these moisture are difficult to squeeze out by the mode of mechanical dehydration.For addressing the above problem, can before existing sludge dewatering treatment, first primary sludge fully be contacted with ozone, carry out ozonization, destroy " viscose glue phase region ", interstitial water and cellular water are discharged, form the free-water of easily removing, be convenient to subsequent handling and remove.
Existing sludge ozone gasifying device, as name is called " air lift type internal-external double circulation ozone sludge contact reacts device ", publication number is that the Chinese invention patent of " 102583936 " is disclosed, ozone reaction tank is designed to common spray column structure, mud is fallen to utilize from eminence and open foraminate water conservancy diversion plate washer mud is become to vaporific spilling, bottom utilizes aeration plate ejection ozone, make ozone and mud contact reacts, while bottom is provided with reflux pump mud pumpback is also fallen again to top, repeatedly contact with ozone to realize mud, to being effective, but because this design ozone cannot be full of reaction unit entirety, ozone is contacted insufficient with mud, entirety ozone oxidation effect is also bad.Another name is called " ozone sludge reduction system ", publication number is the Chinese invention patent of " 102910794 ", in order to have improved the utilization ratio of ozone, be provided with two-stage ozone reaction pond, although extended the duration of contact of ozone and mud, but because mud in reaction tank remains static substantially, so ozone is also insufficient with contacting of mud, cause the effect of overall mud decrement bad.
Summary of the invention
The present invention is directed to deficiency of the prior art, provide a kind of mud under whipped state, to carry out aeration, make mud more abundant with contacting of ozone; Aeration head can adapt to better whipped state, more easily change, and realizes better the sludge ozone retort of aeration and reverse-filling function.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals:
A kind of sludge ozone retort, comprises tank body, upper cover and whipping appts, and described tank body top is provided with mud import, and bottom is provided with sludge outlet; Described whipping appts comprises agitator disk, rotating shaft and driving mechanism; In described rotating shaft, be provided with vertically ozone induction trunk, the top of rotating shaft is positioned at the top of upper cover and is connected with driving mechanism, and the middle and lower part of rotating shaft is positioned at tank body and is fixedly connected with at least one agitator disk; Described agitator disk comprises the upper dish and the lower wall that are fixedly linked, is provided with the ozone outlet passageway being communicated with ozone induction trunk between described upper dish and lower wall, on described upper dish and lower wall, is equipped with the aeration opening being communicated with ozone outlet passageway; The cross section of described aeration opening is waist-shaped hole shape, and aeration opening cross section from the inside to the outside reduces gradually, and aeration opening is provided with aeration head; Described aeration head comprises sleeve, hard net, elastic soft film and annular anchor ear, the shape of the shape of described sleeve outer wall and aeration opening inwall matches, the outside surface of dish or lower wall is stretched out in the less one end of described sleeve cross section, described hard net is located at the end face of sleeve external part, and described elastic soft film is wrapped in hard net surface and is fixed on sleeve external part by annular anchor ear; Described elastic soft film is provided with at least one " ten " font slot, and the outer surface of elastic soft film is exposed in tank body completely; The outside surface of described upper dish and lower wall is also provided with protruding blade.
Aeration opening is arranged on whipping appts, under whipped state, carries out aeration, make mud more abundant with contacting of ozone, the ozonize of mud is better, thereby make in mud more interstitial water and cellular water discharge, form the free-water of easily removing, be convenient to subsequent handling and remove.Described mud refers to the mud that the water ratio 99% of sewage work's generation acts on.
How aeration head arranges, and what kind of structure can better adapt to whipped state, can complete again the function of its aeration and reverse-filling simultaneously? if existing aeration head is arranged on to the surface of agitator disk, when stirring, aeration head continues to be subject to the resistance of sludge stirring, easily gets loose with being connected of agitator disk.The present invention is embedded in aeration head in agitator disk cleverly, and only aeration end sub-fraction stretches in agitator disk surface, and aeration end is provided with hard net, and elastic soft film parcel hard net is also fixed on aeration head external part by annular anchor ear, is just solving the problems referred to above.Agitator disk is put together by upper lower burrs, and two dish intermediate formation ozone outlet passageways, first cause ozone this passage, then expose from aeration opening.The cross section of aeration opening is set to waist-shaped hole shape, is in order to adapt to better the aeration in kinestate.Aeration opening cross section from the inside to the outside reduces gradually, locates and is fixed on agitator disk by the conical surface.The outside surface of dish or lower wall is stretched out in less one end of cross section of sleeve, and elastic soft film is wrapped in hard net surface and is fixed on sleeve external part by annular anchor ear, and fastening rear annular anchor ear can prevent that the sleeve of dish from falling in ozone outlet passageway.Certainly in order to reduce the stressed of annular anchor ear, make aeration head more firm with being connected of aeration opening simultaneously, can sleeve and aeration opening inwall be set to wringing fit.Elastic soft film is arranged on to agitator disk outside surface, facilitates cleaning and the replacing of elastic soft film.Elastic soft film has generation viscous deformation rapidly under certain pressure, the characteristic that pressure can recover rapidly after disappearing.Elastic soft film is provided with " ten " font slot, and when aeration, ozone rushes at elastic soft film through sleeve and hard net, and " ten " font slot is rushed to open, and ozone enters in tank body and mud contact reacts; When aeration, due to the hydrostatic pressure of mud liquid in tank body, do not make " ten " font slot recover formation state, can prevent that liquid from pouring in down a chimney, large granular impurity blocking aeration mouth.The outer surface of elastic soft film is exposed in tank body completely, not by any Physical confinement, when aeration, elastic soft film can outwards arch upward, some " ten " font slot arranging on it becomes cambered surface to distribute, and makes the direction of aeration more three-dimensional, thereby makes mud more abundant with contacting of ozone.Blade be set be for stirring amplitude larger.Blade is arranged on formation projection on agitator disk outside surface, the outlet side of aeration head is lower than blade upper surface, while stirring aeration, blade drives sludge creation centrifugal force, and mud is got rid of to surrounding, mud is less to the resistance of aeration head and " ten " font slot, ozone more easily exposes and mixes with mud and along with the stirring of mud, be full of each position of reaction tank, realizes mud and fully contacts with ozone, to improve the utilization ratio of ozone, improve the effect of reaction.
As preferably, the cross section of described sleeve lining is waist-shaped hole shape, and sleeve lining cross section from the inside to the outside reduces gradually.Sleeve lining cross section from the inside to the outside reduces gradually, makes aeration pressure more sufficient.
As preferably, the outward flange of described lower wall internal surface is provided with annular boss, and the outward flange of described upper dish internal surface is provided with the seam matching with annular boss.It is tightr that said structure connects upper lower burrs, and ozone outlet passageway more seals.
As preferably, the internal surface correspondence of described upper dish and lower wall is provided with at least two radial grooves, and the radial groove of upper dish and the radial groove of lower wall fasten and form ozone outlet passageway.Said structure can make the stationary installation of upper lower burrs be located on the disk body between adjacent two radial grooves, upper lower burrs is connected tightr.
As preferably, the internal surface of described upper dish is plane, and described upper dish internal surface, lower wall internal surface and annular boss inner side-wall form a complete ozone outlet passageway, is provided with the open holes for fixing upper lower burrs on described upper dish and lower wall.Said structure makes manufacture craft simpler.
As preferably, the middle part of described upper dish outside surface is provided with pit, and described pit is provided with the flange for fixing agitator disk and rotating shaft, the upper surface of described flange and the upper surface flush of blade; The aeration opening of described lower wall is greater than the aeration opening of dish.Above structure takes full advantage of the useful space of stirring plate, has increased to greatest extent mixing effect and ozone reaction efficiency, also makes the installing/dismounting of stirring plate convenient.
As preferably, described driving mechanism comprises the horizontally disposed motor of connected successively output shaft, axially horizontally disposed the first cone gear and axial vertically disposed the second cone gear, and described rotating shaft is connected with the second cone gear.
As preferably, the bottom of described tank body is a slope, and the height point on slope is positioned at the tank body sidepiece of mud import one side, and the low spot on slope is positioned at the tank base near sludge outlet one side, and the low spot on slope is higher than sludge outlet.Above-mentioned ramp designs, the mud that guaranteed to be disposed can flow into next process completely.
According to technical scheme of the present invention, under whipped state, carry out aeration, make mud more abundant with contacting of ozone; Aeration head can better adapt to whipped state, and better realizes aeration and reverse-filling function.
Accompanying drawing explanation
Fig. 1 is the structural representation of sludge ozone retort in the embodiment of the present invention.
Fig. 2 is the structural representation of agitator disk in the embodiment of the present invention.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of aeration head in the embodiment of the present invention.
Fig. 5 is the structural representation of embodiment of the present invention Elastic software film.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment
A kind of sludge ozone retort, comprises tank body 1, upper cover 2 and whipping appts, and described tank body top is provided with mud import 11, and bottom is provided with sludge outlet 12.The bottom of described tank body is a slope, and the height point on slope is positioned at the tank body sidepiece of mud import one side, and the low spot on slope is positioned at the tank base near sludge outlet one side, and the low spot on slope is higher than sludge outlet.
Described whipping appts comprises agitator disk 3, rotating shaft 4 and driving mechanism.Described driving mechanism comprises the horizontally disposed motor 51 of connected successively output shaft, axially horizontally disposed the first cone gear 52 and axial vertically disposed the second cone gear 53, and described rotating shaft is connected with the second cone gear.In described rotating shaft 4, be provided with vertically ozone induction trunk, described ozone induction trunk upper end is connected with ozonizer.The top of rotating shaft is positioned at the top of upper cover and is connected with the second cone gear 53 of driving mechanism, and the middle and lower part of rotating shaft is positioned at tank body and is fixedly connected with two agitator disks.
Described agitator disk 3 comprises the upper dish 31 and the lower wall 32 that are fixedly linked, is provided with the ozone outlet passageway being communicated with ozone induction trunk between described upper dish and lower wall, is equipped with the aeration opening 311,321 being communicated with ozone outlet passageway on described upper dish and lower wall.The outward flange of described lower wall internal surface is provided with annular boss 322, and the outward flange of described upper dish internal surface is provided with the seam 312 matching with annular boss.The internal surface correspondence of described upper dish and lower wall is provided with six groups of radial grooves, and the radial groove of upper dish and the radial groove of lower wall fasten and form ozone outlet passageway; Or the internal surface of described upper dish is plane, described upper dish internal surface, lower wall internal surface and annular boss inner side-wall form a complete ozone outlet passageway, are provided with the open holes for fixing upper lower burrs on described upper dish and lower wall; The outside surface of described upper dish and lower wall is also provided with protruding blade 61,62.The middle part of described upper dish outside surface is provided with pit, and described pit is provided with the flange 7 for fixing agitator disk and rotating shaft, the upper surface of described flange and the upper surface flush of blade; The aeration opening of described lower wall is greater than the aeration opening of dish; The blade of described lower wall is higher than the blade of upper dish.The cross section of described aeration opening is waist-shaped hole shape, and aeration opening cross section from the inside to the outside reduces gradually, and aeration opening is provided with aeration head 8.
Described aeration head 8 comprises sleeve 81, hard net 82, elastic soft film 83 and annular anchor ear 84, the shape of the shape of described sleeve outer wall and aeration opening inwall matches, the outside surface of dish or lower wall is stretched out in the less one end of described sleeve cross section, described hard net is located at the end face of sleeve external part, and described elastic soft film is wrapped in hard net surface and is fixed on sleeve external part by annular anchor ear; Described elastic soft film is provided with several " ten " font slots 831, and the outer surface of elastic soft film is exposed in tank body completely.The cross section of described sleeve lining is waist-shaped hole shape, and sleeve lining cross section from the inside to the outside reduces gradually.Described hard net can be woven wire, and described elastic soft film can be rubber soft film.
In a word, the foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (8)
1. a sludge ozone retort, is characterized in that: comprise tank body, upper cover and whipping appts, described tank body top is provided with mud import, and bottom is provided with sludge outlet; Described whipping appts comprises agitator disk, rotating shaft and driving mechanism; In described rotating shaft, be provided with vertically ozone induction trunk, the top of rotating shaft is positioned at the top of upper cover and is connected with driving mechanism, and the middle and lower part of rotating shaft is positioned at tank body and is fixedly connected with at least one agitator disk; Described agitator disk comprises the upper dish and the lower wall that are fixedly linked, is provided with the ozone outlet passageway being communicated with ozone induction trunk between described upper dish and lower wall, on described upper dish and lower wall, is equipped with the aeration opening being communicated with ozone outlet passageway; The cross section of described aeration opening is waist-shaped hole shape, and aeration opening cross section from the inside to the outside reduces gradually, and aeration opening is provided with aeration head; Described aeration head comprises sleeve, hard net, elastic soft film and annular anchor ear, the shape of the shape of described sleeve outer wall and aeration opening inwall matches, the outside surface of dish or lower wall is stretched out in the less one end of described sleeve cross section, described hard net is located at the end face of sleeve external part, and described elastic soft film is wrapped in hard net surface and is fixed on sleeve external part by annular anchor ear; Described elastic soft film is provided with at least one " ten " font slot, and the outer surface of elastic soft film is exposed in tank body completely; The outside surface of described upper dish and lower wall is also provided with protruding blade.
2. sludge ozone retort according to claim 1, is characterized in that: the cross section of described sleeve lining is waist-shaped hole shape, and sleeve lining cross section from the inside to the outside reduces gradually.
3. sludge ozone retort according to claim 1 and 2, is characterized in that: the outward flange of described lower wall internal surface is provided with annular boss, the outward flange of described upper dish internal surface is provided with the seam matching with annular boss.
4. sludge ozone retort according to claim 3, is characterized in that: the internal surface correspondence of described upper dish and lower wall is provided with at least two radial grooves, and the radial groove of upper dish and the radial groove of lower wall fasten and form ozone outlet passageway.
5. sludge ozone retort according to claim 3, it is characterized in that: the internal surface of described upper dish is plane, described upper dish internal surface, lower wall internal surface and annular boss inner side-wall form a complete ozone outlet passageway, are provided with the open holes for fixing upper lower burrs on described upper dish and lower wall.
6. sludge ozone retort according to claim 1 and 2, is characterized in that: the middle part of described upper dish outside surface is provided with pit, and described pit is provided with the flange for fixing agitator disk and rotating shaft, the upper surface of described flange and the upper surface flush of blade; The aeration opening of described lower wall is greater than the aeration opening of dish; The blade of described lower wall is higher than the blade of upper dish.
7. sludge ozone retort according to claim 1 and 2, it is characterized in that: described driving mechanism comprises the horizontally disposed motor of connected successively output shaft, axially horizontally disposed the first cone gear and axial vertically disposed the second cone gear, and described rotating shaft is connected with the second cone gear.
8. sludge ozone retort according to claim 1 and 2, it is characterized in that: the bottom of described tank body is a slope, the height point on slope is positioned at the tank body sidepiece of mud import one side, and the low spot on slope is positioned at the tank base near sludge outlet one side, and the low spot on slope is higher than sludge outlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072994.8A CN103819068B (en) | 2014-03-03 | 2014-03-03 | Sludge ozonation reaction tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072994.8A CN103819068B (en) | 2014-03-03 | 2014-03-03 | Sludge ozonation reaction tank |
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| CN103819068A true CN103819068A (en) | 2014-05-28 |
| CN103819068B CN103819068B (en) | 2015-03-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917691A (en) * | 2021-01-22 | 2021-06-08 | 武汉中阳明建材有限公司 | Light concrete and production process thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415338U (en) * | 2012-02-02 | 2012-09-05 | 重庆大学 | Ozone-sludge contacting reactor |
| CN203768196U (en) * | 2014-03-03 | 2014-08-13 | 浙江机电职业技术学院 | Sludge ozonation reaction tank, |
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- 2014-03-03 CN CN201410072994.8A patent/CN103819068B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202415338U (en) * | 2012-02-02 | 2012-09-05 | 重庆大学 | Ozone-sludge contacting reactor |
| CN203768196U (en) * | 2014-03-03 | 2014-08-13 | 浙江机电职业技术学院 | Sludge ozonation reaction tank, |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112917691A (en) * | 2021-01-22 | 2021-06-08 | 武汉中阳明建材有限公司 | Light concrete and production process thereof |
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| CN103819068B (en) | 2015-03-25 |
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