CN203741196U - Ozonization dehydration treatment device for sludge - Google Patents
Ozonization dehydration treatment device for sludge Download PDFInfo
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- CN203741196U CN203741196U CN201420091016.3U CN201420091016U CN203741196U CN 203741196 U CN203741196 U CN 203741196U CN 201420091016 U CN201420091016 U CN 201420091016U CN 203741196 U CN203741196 U CN 203741196U
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- sludge
- ozone
- mud
- delivery pump
- dehydration treatment
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Abstract
The utility model relates to an ozonization dehydration treatment device for sludge, which comprises an original sludge delivery pump, a sludge ozonization reaction device, an after-ozonization sludge delivery pump, a mechanical thickening device, an after-mechanical thickening sludge delivery pump and a carriage-type membrane filter press which are connected with one another in sequence through a pipeline, wherein a polymer flocculant charging opening is formed in the outlet end of the after-mechanical thickening sludge delivery pump; an air supply pipeline is arranged at the tail end of the sludge inlet pipe of the carriage-type membrane filter press. Through the adoption of the technical scheme, sludge moisture is stably reduced to be lower than 50 percent, and the treatment load of the carriage-type membrane filter press is reduced, so as to obviously improve the work efficiency of the carriage-type membrane filter press, and to finally achieve the purpose of reduced, harmless and resourceful treatment of sludge.
Description
Technical field
The utility model relates to a kind of sludge ozone dehydration treatment equipment.
Background technology
While specifying 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.
Summary of the invention
The utility model is for the deficiencies in the prior art, providing one can make moisture percentage in sewage sludge stablize is down to below 50%, and alleviate the processing load of Chamber Type Diaphragm Filter Press, its working efficiency is obviously promoted, finally can reach sludge reduction, innoxious, recycling treatment object sludge ozone dehydration treatment equipment.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Sludge ozone dehydration treatment equipment, comprise successively by sludge delivery pump, mechanical concentrating unit, the concentrated rear sludge delivery pump of machinery and Chamber Type Diaphragm Filter Press after the connected primary sludge transferpump of pipeline, sludge ozone reaction unit, ozonize, after described machinery is concentrated, the exit end of sludge delivery pump is provided with polymeric flocculant charging opening, and the end that enters mud pipe of described Chamber Type Diaphragm Filter Press is provided with air supply duct.
Sludge ozone reaction unit is set, allows primary sludge pump into mud and carry out ozonization, interstitial water and cellular water in primary sludge are discharged.Described primary sludge, refers to the excess sludge that sewage work produces, and general water ratio is in 99% left and right.Between microorganism cells in the excess sludge that sewage work produces and organic colloid, form " viscose glue phase region ", can wrap a large amount of interstitial waters, and microorganism cells contains a large amount of cellular water.These moisture are difficult to squeeze out by the mode of mechanical dehydration.Steps A is carried out ozonization in the time that moisture percentage in sewage sludge is 99% left and right, will destroy just " viscose glue phase region ", and interstitial water and cellular water are discharged, and forms the free-water of easily removing, and is convenient to subsequent handling and removes.In the ozonation of mud, first ozone act on cell walls, cytolemma, make its composition impaired and cause dysbolism, ozone continues infiltration, penetrates film and destroys lipoprotein and lipopolysaccharides in film, change the permeability of cell, cause cytolysis, death, discharge moisture content in cell, go back the macromolecular substance that is not easy hydrolysis in oxidized sludge simultaneously, change molecular structure, discharge material internal moisture.
Mechanical concentrating unit is set, allows mud after ozonization carry out machinery concentrated.It is concentrated that mud after ozonization carries out machinery, generally can remove 75% moisture content, and water ratio is down to 96%.Described machinery is concentrated, generally adopts belt thickener machine or centrifugal thickner.The concentrated Main Function of machinery is the processing load that alleviates follow-up Chamber Type Diaphragm Filter Press.The chamber space of Chamber Type Diaphragm Filter Press is fixed, and after processing, sludge volume is fixed, and the higher silt content of water ratio is lower.Therefore, each front end enters mud amount along with moisture percentage in sewage sludge reduces and reduces, such as each mud 100m3 that processes water ratio 99%, process the mud 25m3 of water ratio 96% at every turn, visible, obtain the mud of same water ratio, enter mud amount and reduced 3/4, working load obviously reduces, and working efficiency obviously promotes thereupon.
After machinery is concentrated, the exit end of sludge delivery pump arranges polymeric flocculant charging opening, can add polymeric flocculant, polymeric flocculant mixes with mud the fast rotational effect of sludge creation by sludge delivery pump, makes mud elimination of colloid stability, then collides coagulative precipitation.Add polymeric flocculant in sludge delivery pump exit, to carrying out sludge modification conditioning, improve dewatering performance of sludge.Mud flco after machinery is concentrated is less, if directly carry out filter-press dehydration, effect is undesirable, and dehydration water ratio is high, and easily sees through the outflow of filter cloth space.As preferably, polymeric flocculant adopts cationic flocculant, because mud is electronegative, cationic flocculant adds when a certain amount of, while adding 3-5kg, can partly be wrapped in outside mud granule, with the mud granule part absorption not wrapping such as dewatered sludge per ton.Described dewatered sludge is water-free mud.Polymeric flocculant molecular weight, more than 1,000,000, is chain or reticulated structure, after mud granule adsorpting aggregation, forms adsorption bridging effect by polymeric flocculant chain or reticulated structure, last coagulative precipitation, and sludge quality is changed, and makes its suitable extrusion dehydration.Polymeric flocculant is liquid, adds pipeline after point selection sludge delivery pump, produces rotation, effectively mixing sludge and polymeric flocculant when sludge delivery pump output mud.Polymeric flocculant adds ingenious selection a little, has saved medicament whipping appts, has saved whole system facility investment, compared with dosing method before pump, can also effectively avoid mud flco destroyed phenomenon in sludge delivery pump cavity.
Chamber Type Diaphragm Filter Press is by after sludge press filtration squeezing, and mud cake moisture content has reached sludge treatment technique requirement, still has residual wet mud but enter in mud pipe, and this part wet mud drops in follow-up arm-tie dump process, affects the water ratio of mud entirety.When operation, can first blow towards carrying out mud direction entering wet mud residual in mud pipe with gas, then dump, avoid residual wet sludge-polluted finished product, ensure that moisture percentage in sewage sludge can reach more excellent result, can reach below 50%.The air pressure of blow gas can be 0.8Mpa.
Use said apparatus can make moisture percentage in sewage sludge stablize and be down to below 50%, and alleviated the processing load of Chamber Type Diaphragm Filter Press, its working efficiency is obviously promoted, finally can reach sludge reduction, innoxious, recycling treatment object.
As preferably, described sludge ozone reaction unit is sludge ozone reaction tank, in described sludge ozone reaction tank, is provided with side by side some passages, and one end of adjacent two passes is communicated with, and connectivity part is provided with stirrer, and all passages are connected into a path; The two passes that is arranged in outside, a passage top is provided with mud inlet, and another passage bottom is provided with mud mouth; The bottom of all passages is provided with ozone air delivering pipeline in pond, in described pond, on ozone air delivering pipeline, be evenly equipped with some ozonation aerated holes, in described pond, ozone air delivering pipeline is connected with ozonizer by ozone transfer line outside pond, and outside described pond, ozone transfer line is provided with gas blower.
Said structure makes the primary sludge rotating passage of complications of flowing through, and can extend the residence time, ensures fully contacting of mud and ozone molecule.The connectivity part of every row's passage arranges stirrer, not only contributes to mud in interchannel transmission, also contributes to fully contacting of mud and ozone.Outside pond, on ozone air delivering pipeline, gas blower is set, can increase by increasing the air input of air the air input of ozone, thereby the in the situation that of identical ozone dosage, strengthen ozonize effect, can better discharge moisture content in cell, in simultaneously better oxidized sludge, be not easy the macromolecular substance of hydrolysis, change molecular structure, discharge more material internal moisture.Ozonation aerated hole is evenly arranged and can better ensures fully contacting of mud and ozone, and Reaction time shorten is saved ozone amount.
As preferably, described some passages that are arranged side by side are formed by some row's baffle for separatings, one end of every row's dividing plate is connected with the inwall of reaction tank, and the inwall of the other end and reaction tank forms spacing, and the coupling end of adjacent two dividing plates and reaction tank inwall lays respectively on the inwall of reaction tank both sides.
As preferably, it is circular-arc being positioned at the reaction tank inwall that adjacent two passes is communicated with end.Circular-arc inwall, makes adjacent two passage circulations more smooth and easy, without dead angle.
As preferably, described sludge ozone reaction unit also can be sludge ozone retort, and described 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 rotating shaft, agitator disk and driving mechanism, and described rotating shaft one end is located at upper cover top and is connected with driving mechanism, and the other end is located in tank body and is fixedly connected with agitator disk; In described rotating shaft, be provided with ozone intake ducting, described agitator disk is provided with the ozone outlet being communicated with ozone intake ducting.
Said structure can be according to realizing according to moisture percentage in sewage sludge, entering the particular cases such as mud amount, regulate the indexs such as stirring velocity, ozone concn and ozone air input, therefore molten born of the same parents' effect that can be more excellent, has improved sludge ozone effect, thereby has ensured the final effect of sludge dewatering.
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.
As preferably, the driving mechanism of described whipping appts 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.
According to the technical solution of the utility model, can make moisture percentage in sewage sludge stablize and be down to below 50%, and alleviate the processing load of Chamber Type Diaphragm Filter Press, its working efficiency is obviously promoted, finally can reach sludge reduction, innoxious, recycling treatment object.
Brief description of the drawings
Fig. 1 is the structural representation of sludge ozone dehydration treatment equipment in the embodiment of the present invention 1 and 2.
Fig. 2 is the structural representation of sludge ozone reaction tank in the embodiment of the present invention 1.
Fig. 3 is the structural representation of sludge ozone retort in the embodiment of the present invention 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
embodiment 1
Sludge ozone dehydration treatment equipment, comprise successively by sludge delivery pump 3, mechanical concentrating unit 4, the concentrated rear sludge delivery pump 5 of machinery and Chamber Type Diaphragm Filter Press 6 after the connected primary sludge transferpump 1 of pipeline, sludge ozone reaction unit 2, ozonize, after described machinery is concentrated, the exit end of sludge delivery pump 5 is provided with polymeric flocculant charging opening, and the end that enters mud pipe of described Chamber Type Diaphragm Filter Press 6 is provided with air supply duct.
Described sludge ozone reaction unit is sludge ozone reaction tank, in described sludge ozone reaction tank, is provided with side by side some passages 22, and one end of adjacent two passes is communicated with, and connectivity part is provided with stirrer 23, and all passages are connected into a path; The two passes that is arranged in outside, a passage top is provided with mud inlet 24, and another passage bottom is provided with mud mouth 25; The bottom of all passages is provided with ozone air delivering pipeline 26 in pond, in described pond, on ozone air delivering pipeline 26, be evenly equipped with some ozonation aerated holes 27, in described pond, ozone air delivering pipeline 26 is connected with ozonizer 21 by ozone transfer line 28 outside pond, and outside described pond, ozone transfer line 28 is provided with gas blower 29.Described some passages that are arranged side by side are separated by some row's dividing plates 20, one end of every row's dividing plate is connected with the inwall of reaction tank, the inwall of the other end and reaction tank forms spacing, and the coupling end of adjacent two dividing plates and reaction tank inwall lays respectively on the inwall of reaction tank both sides.The reaction tank inwall that is positioned at adjacent two passes connection end is circular-arc.
embodiment 2
Sludge ozone dehydration treatment equipment, comprise successively by sludge delivery pump 3, mechanical concentrating unit 4, the concentrated rear sludge delivery pump 5 of machinery and Chamber Type Diaphragm Filter Press 6 after the connected primary sludge transferpump 1 of pipeline, sludge ozone reaction unit 2, ozonize, after described machinery is concentrated, the exit end of sludge delivery pump 5 is provided with polymeric flocculant charging opening, and the end that enters mud pipe of described Chamber Type Diaphragm Filter Press 6 is provided with air supply duct.
Described sludge ozone reaction unit is sludge ozone retort, and described sludge ozone retort comprises tank body 71, upper cover 72 and whipping appts, and described tank body 71 tops are provided with mud import 73, and bottom is provided with sludge outlet 74; Described whipping appts comprises rotating shaft 75, agitator disk 76 and driving mechanism, and described rotating shaft 75 one end are located at upper cover 72 tops and are connected with driving mechanism, and the other end is located in tank body 71 and is fixedly connected with agitator disk 76; In described rotating shaft 75, be provided with ozone intake ducting, described agitator disk is provided with the ozone outlet being communicated with ozone intake ducting.The bottom of described tank body 71 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.The driving mechanism of described whipping appts comprises the horizontally disposed motor 77 of connected successively output shaft, axially horizontally disposed the first cone gear 78 and axial vertically disposed the second cone gear 79, and described rotating shaft 75 is connected with the second cone gear 79.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (6)
1. sludge ozone dehydration treatment equipment, it is characterized in that: comprise successively by sludge delivery pump, mechanical concentrating unit, the concentrated rear sludge delivery pump of machinery and Chamber Type Diaphragm Filter Press after the connected primary sludge transferpump of pipeline, sludge ozone reaction unit, ozonize, after described machinery is concentrated, the exit end of sludge delivery pump is provided with polymeric flocculant charging opening, and the end that enters mud pipe of described Chamber Type Diaphragm Filter Press is provided with air supply duct.
2. sludge ozone dehydration treatment equipment according to claim 1, it is characterized in that: described sludge ozone reaction unit is sludge ozone reaction tank, in described sludge ozone reaction tank, be provided with side by side some passages, one end of adjacent two passes is communicated with, connectivity part is provided with whipping appts, and all passages are connected into a path; The two passes that is arranged in outside, a passage top is provided with mud inlet, and another passage bottom is provided with mud mouth; The bottom of all passages is provided with ozone air delivering pipeline in pond, in described pond, on ozone air delivering pipeline, be evenly equipped with some ozonation aerated holes, in described pond, ozone air delivering pipeline is connected with ozonizer by ozone transfer line outside pond, and outside described pond, ozone transfer line is provided with gas blower.
3. sludge ozone dehydration treatment equipment according to claim 2, it is characterized in that: described in some passages being arranged side by side formed by some row's baffle for separatings, one end of every row's dividing plate is connected with the inwall of reaction tank, the inwall of the other end and reaction tank forms spacing, and the coupling end of adjacent two dividing plates and reaction tank inwall lays respectively on the inwall of reaction tank both sides.
4. according to the sludge ozone dehydration treatment equipment described in claim 2 or 3, it is characterized in that: the reaction tank inwall that is positioned at adjacent two passes connection end is circular-arc.
5. sludge ozone dehydration treatment equipment according to claim 1, it is characterized in that: described sludge ozone reaction unit is sludge ozone retort, described sludge ozone retort comprises 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 rotating shaft, agitator disk and driving mechanism, and described rotating shaft one end is located at upper cover top and is connected with driving mechanism, and the other end is located in tank body and is fixedly connected with agitator disk; In described rotating shaft, be provided with ozone intake ducting, described agitator disk is provided with the ozone outlet being communicated with ozone intake ducting.
6. sludge ozone dehydration treatment equipment according to claim 5, 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, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091016.3U CN203741196U (en) | 2014-03-03 | 2014-03-03 | Ozonization dehydration treatment device for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420091016.3U CN203741196U (en) | 2014-03-03 | 2014-03-03 | Ozonization dehydration treatment device for sludge |
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| Publication Number | Publication Date |
|---|---|
| CN203741196U true CN203741196U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420091016.3U Withdrawn - After Issue CN203741196U (en) | 2014-03-03 | 2014-03-03 | Ozonization dehydration treatment device for sludge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833193A (en) * | 2014-03-03 | 2014-06-04 | 杭州青色环保科技有限公司 | Sludge ozonization dehydration treatment method and device |
| CN104609692A (en) * | 2014-12-29 | 2015-05-13 | 东莞市东元新能源科技有限公司 | Sludge tempering pre-treatment method |
-
2014
- 2014-03-03 CN CN201420091016.3U patent/CN203741196U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103833193A (en) * | 2014-03-03 | 2014-06-04 | 杭州青色环保科技有限公司 | Sludge ozonization dehydration treatment method and device |
| CN103833193B (en) * | 2014-03-03 | 2015-08-19 | 杭州青色环保科技有限公司 | Sludge ozonation dehydration treatment method and device |
| CN104609692A (en) * | 2014-12-29 | 2015-05-13 | 东莞市东元新能源科技有限公司 | Sludge tempering pre-treatment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20150819 |
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| RGAV | Abandon patent right to avoid regrant |