CN203360239U - Internal-circulation self-heating type sludge high-temperature microaerobic digestion device - Google Patents
Internal-circulation self-heating type sludge high-temperature microaerobic digestion device Download PDFInfo
- Publication number
- CN203360239U CN203360239U CN2013202806649U CN201320280664U CN203360239U CN 203360239 U CN203360239 U CN 203360239U CN 2013202806649 U CN2013202806649 U CN 2013202806649U CN 201320280664 U CN201320280664 U CN 201320280664U CN 203360239 U CN203360239 U CN 203360239U
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- outer cylinder
- sludge
- inner barrel
- mud
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an internal circulation self-heating type sludge high-temperature microaerobic digestion device which comprises an inner cylinder body and an outer cylinder body arranged coaxially, wherein the outside of the outer cylinder body is covered with a heat insulating material; the inner cylinder body is fixed on the outer cylinder body and hung in the air through a support; an axial flow mechanical stirrer is arranged in the inner cylinder body; a micro-pore aerator is arranged on a horizontal plane of the bottom end of the inner cylinder body; the device removes foams through an airflow branch pipe connected with an aeration tube. According to the device, under a self-heating type high-temperature aerobic digestion lower aeration rate level, all aeration rates are centralized into the inner cylinder, so that sludge in the inner cylinder can obtain abundant oxygen, all the sludge in a reaction system is prevented from being located in an anoxic or anaerobic condition, and sludge degradation and heat release of the sludge are promoted; and sludge in the inner cylinder and the outer cylinder circulates between the inner cylinder and the outer cylinder through a mechanical stirring device, so that the temperature of the whole reaction system is increased rapidly, and the digestive efficiency of the whole reaction device is improved. Sand collection and removal are facilitated by the aid of a funnel-shaped bottom of the outer cylinder body, and a hole of the aerator can be prevented from being blocked.
Description
Technical field
The utility model relates to the biomass sludge stabilization treatment of field of environment engineering technology, specifically a kind of internal recycle autothermal high temperature microaerobic digesting device for sludge.
Background technology
In recent years, wastewater treatment in China amount and sewage work's quantity significantly rise, and the sludge of sewage treatment plant generation also significantly increases thereupon.For preventing that & Mud is improper, environment is worked the mischief, firmly the section of building repeatedly emphasizes, need according to " urban wastewater treatment firm pollutant emission standard ", (GB18918-2002) to mud, carry out stabilization treatment before the utilization of mud soil and landfill, and again release " urban wastewater treatment firm & Mud technical manual " in March, 2011 this is emphasized.The at present most sewage work of China does not still possess the sludge stabilizing facility, and under this background, the use of sludge stabilizing technology will have very large application space.At present, sludge stabilizing mainly contains the methods such as anaerobic digestion, aerobic sigestion, yet, traditional mud stabilization method exists sludge treatment time length, facility to take up an area large shortcoming, and nearly ten years, along with the quickening of China's suburbanization paces, the utilization of soil, various places is becoming tight, land price goes up obviously, and this has objectively brought mud Facilities Construction high cost to the cities and towns of some land used anxieties, the difficult problem of taking over the land for use.Therefore, research and development running cost sludge stabilizing treatment process lower, that sludge digestion speed is higher and practical seems very urgent.
Autothermal thermophilic aerobic digestion of sludge can make high concentration sludge obtain fast stabilization, be unit sludge process take up an area little, be applicable to the sludge stabilizing technology that the nervous regional Sewage Plant of land used is used, from last century the nineties start obtain applying faster and promote (ATAD technique is in the application prospect of small and medium cities sewage work) in the municipal sludge stabilizing treatment techniques such as Europe, North America.Although China does not also have the example of ATAD application, but the research of correlation technique is among advancing, the disclosed a kind of high temperature aerobic digestion device for sludge of patent documentation ZL200410066202.2, the sludge digestion system is merged into to one section by two sections, and the sludge aeration system is separated with the sludge circulation system, aeration adopts conventional aeration mode, simple in structure, equipment requirements is low, has its novelty; Patent ZL 200920231655.4 discloses integrated organic sludge high-temperature micro-aerobic horizontal digestion reactor, in reactor design, has obtained progress in form.Yet, need to obtain organic matter degradation based on autothermal thermophilic aerobic digestion of sludge and produce the balance that heat and aeration are taken away the system heat, the aeration control of digestion system is to lower level, therefore make whole system mud all the time in anoxic anaerobic state even, thereby, make sludge digestion efficiency be difficult to further raising.Also existing with problem just because of this, autothermal Sludge thermophilic aerobic digestion technology is in actual application, during its sludge stabilizing, the residence time often substantially exceeds theoretical value, majority has surpassed 15 days, the unit sludge treatment facility DeGrain that saves land, thus, greatly reduced the popularization wish of China's correlation technique applying unit.
The utility model content
For above shortcomings part in prior art, the utility model provides a kind of internal recycle autothermal high temperature microaerobic digesting device for sludge, this device is not increasing aeration rate and mud is reached under the prerequisite of the relevant stabilization standard of country, improve greatly sludge digestion speed, and reduced thus the occupation of land of unit sludge treatment facility.
The utility model is achieved through the following technical solutions:
A kind of internal recycle autothermal high temperature microaerobic digesting device for sludge, comprise outer cylinder body 1 and the inner barrel 2 of coaxial setting, and described outer cylinder body 1 and inner barrel 2 are divided into by slaking apparatus two portions that volume is suitable jointly, wherein:
-outer cylinder body 1: its outside covering insulation material, the napex of outer cylinder body 1 arranges gas discharge outlet 13, inspection manhole 14 and mud mud inlet 15, axle center along outer cylinder body 1 is provided with axial flow mechanical stirrer 3, and the bottom of outer cylinder body 1 is provided with spoil disposal control valve 16 and shore pipe 17;
-inner barrel 2, be arranged at the inside of outer cylinder body 1, and the bottom of inner barrel 2 is provided with some micro-hole aerators 4, and described micro-hole aerator 4 is connected with aeration pump 18 by the aeration tube 7 that is provided with the first gas meter 5 and the first gas valve 6.
Preferably, described outer cylinder body 1 integral body is circular cylindrical cavity, and the bottom of outer cylinder body 1 is the funnel shaped with certain angle of inclination, that is, the bottom of outer cylinder body 1 is the funnel shaped horizontal by certain obliquity.
Preferably, described shore pipe 17 is drawn by the lower end of outer cylinder body 1 funnel-shaped bottom portion.
Preferably, described inner barrel 2 integral body are a cylinder, be provided with certain distance between the bottom of the bottom of inner barrel 2 and outer cylinder body 1, the top-submerged of inner barrel 2 is under the mud liquid level, described inner barrel 2 is fixed in the inside of outer cylinder body 1 unsettled by support 19, and the two ends of described support 19 are individually fixed on the inwall of medium position on inner barrel 2 outer walls and outer cylinder body 1.
Preferably, the distance between the bottom of the bottom of described inner barrel 2 and outer cylinder body 1 is 10-20cm; The top-submerged of inner barrel 2 is 10-20cm under the mud liquid level.
Preferably, described axial flow mechanical stirrer 3 is stretched into the chamber interior of outer cylinder body 1 by the top of outer cylinder body 1, and be arranged at the concentric, axial position of outer cylinder body 1 and inner barrel 2, be provided with distance between the bottom of the bottom of described axial flow mechanical stirrer 3 and inner barrel 2.
Preferably, the distance between the bottom of the bottom of described axial flow mechanical stirrer 3 and inner barrel 2 is 15-30cm.
Preferably, described micro-hole aerator 4 is a plurality of, and be uniformly distributed on the horizontal plane that is arranged at inner barrel 2 bottoms, described micro-hole aerator 4 comprises some microporous aeration discs, the quantity of described microporous aeration disc is determined by aeration rate and the slaking apparatus effective volume of microporous aeration disc.
Preferably, the requirement of the aeration rate of described microporous aeration disc and slaking apparatus effective volume is: the total aeration rate of mud that every cubic metre of solid content is 5-7% reaches 0.8-1.2m
3/ h.
Preferably, above-mentioned internal recycle autothermal high temperature microaerobic digesting device for sludge also comprises following any or a plurality of parts:
-mud froth breaking pipe 11, described mud froth breaking pipe 11 is arranged at the below of gas discharge outlet 13, and is connected with aeration tube 7 by the gas manifold 10 that is provided with the second gas meter 8 and the second gas valve 9;
-mud liquid level observation pipe 12, the outlet of described mud liquid level observation pipe 12 is arranged at the circular cylindrical cavity bottom of outer cylinder body 1, and is connected with transparent pipe by curve bend;
Preferably, the reservation on the top of mud liquid level and outer cylinder body 1 distance is 80cm, mud froth breaking pipe 11 be positioned at gas discharge outlet under the 10-20cm place.
Know-why of the present utility model is: slaking apparatus is provided with the two coaxial cylinders that arrange, in inner barrel, mud is moved in circles between inner/outer tube by the castering action of axial flow mechanical stirrer, owing to taking the inner core aeration, the mud that can make circulation enter in inner barrel obtains oxygen comparatively fully, promote organic quick aerobic degradation heat production in this part mud, overcome all mud in reaction system and also caused thus that in anoxic or anaerobic state organic matter degradation rate reduces, the shortcoming that heat production is less, therefore and make mud that every cubic metre of solid content is 5-7% at 0.8-1.2m
3can obtain the effect that is rapidly heated of 5-7 ℃ of heating up every day under the low aeration rate of/h, because existing circulation exchange and inner barrel barrel, mud in inner barrel and outer cylinder body mud has certain heat transfer effect, the heat that in inner barrel, sludge degradation produces will inevitably be delivered in outer cylinder body mud, thereby the temperature in whole reaction unit is promoted, finally, by aeration control, the temperature that makes to have mud in the reaction unit of Insulation is kept between 50-60 ℃.In addition, being designed with of this device outer cylinder body funnel-shaped bottom portion is beneficial to the deposition of tiny silt gathering in mud in working cycle, the silt of deposition can be discharged by shore pipe in good time, has avoided the obstruction of silt to the microporous aeration disc hole, has improved the stability of reaction unit operation.
The utility model compared with prior art, has following beneficial effect:
Improved the intensification effect of autothermal sludge digestion system, promoted the digestive efficiency of mud, can make the autothermal sludge digestion time by more than 15 days, shortening to 7-9 days; Reaction unit bottom sediment deposition causes aeration plate to be immersed in silt and the situation of stopping up significantly reduces, and the reactor operation stability significantly improves.The sludge digestion apparatus structure that the utility model provides is simple, easy to operate, and sludge treatment is applied widely.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present utility model will become:
The front elevational schematic that Fig. 1 is the utility model structure;
The schematic top plan view that Fig. 2 is the utility model structure;
In figure: 1 is outer cylinder body; 2 is inner barrel; 3 is mechanical stirrer; 4 is micro-hole aerator; 5 is the first gas meter; 6 is the first gas valve; 7 is aeration tube; 8 is the second gas meter; 9 is the second gas valve; 10 is gas manifold; 11 is mud froth breaking pipe; 12 is the mud liquid level observation pipe; 13 is gas discharge outlet; 14 is inspection manhole; 15 is the mud mud inlet; 16 is the spoil disposal control valve; 17 is shore pipe; 18 is aeration pump, and 19 is support.
Embodiment
Below embodiment of the present utility model is elaborated: the present embodiment is implemented take technical solutions of the utility model under prerequisite, has provided detailed embodiment and concrete operating process.It should be pointed out that to those skilled in the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Please consult Fig. 1 to Fig. 2 simultaneously.
As shown in Figure 1, the present embodiment provides a kind of internal recycle autothermal high temperature microaerobic digesting device for sludge, comprises outer cylinder body 1 and the inner barrel 2 of coaxial setting, and described outer cylinder body 1 and inner barrel 2 are divided into by slaking apparatus two portions that volume is suitable jointly, wherein:
-outer cylinder body 1: its outside covering insulation material, the top of outer cylinder body 1 arranges gas discharge outlet 13, inspection manhole 14 and mud mud inlet 15, axle center along outer cylinder body 1 is provided with axial flow mechanical stirrer 3, and the bottom of outer cylinder body 1 is provided with spoil disposal control valve 16 and shore pipe 17;
-inner barrel 2, be arranged at the inside of outer cylinder body 1, and the bottom of inner barrel 2 is provided with some micro-hole aerators 4, and described micro-hole aerator 4 is connected with aeration pump 18 by the aeration tube 7 that is provided with the first gas meter 5 and the first gas valve 6.
Further, described outer cylinder body 1 integral body is circular cylindrical cavity, and the bottom of outer cylinder body 1 is the funnel shaped with certain angle of inclination, that is, the bottom of outer cylinder body 1 is the funnel shaped horizontal by certain obliquity.
Further, described shore pipe 17 is drawn by the lower end of outer cylinder body 1 funnel-shaped bottom portion.
Further, described inner barrel 2 integral body are a cylinder, be provided with certain distance between the bottom of the bottom of inner barrel 2 and outer cylinder body 1, the top-submerged of inner barrel 2 is under the mud liquid level, described inner barrel 2 is fixed in the inside of outer cylinder body 1 unsettled by support 19, and the two ends of described support 19 are individually fixed on the inwall of medium position on inner barrel 2 outer walls and outer cylinder body 1.
Further, the distance between the bottom of the bottom of described inner barrel 2 and outer cylinder body 1 is 10-20cm; The top-submerged of inner barrel 2 is 10-20cm under the mud liquid level.
Further, described axial flow mechanical stirrer 3 is stretched into the chamber interior of outer cylinder body 1 by the top of outer cylinder body 1, and be arranged at the concentric, axial position of outer cylinder body 1 and inner barrel 2, be provided with distance between the bottom of the bottom of described axial flow mechanical stirrer 3 and inner barrel 2.
Further, the distance between the bottom of the bottom of described axial flow mechanical stirrer 3 and inner barrel 2 is 15-30cm.
Further, described micro-hole aerator 4 is a plurality of, and be uniformly distributed on the horizontal plane that is arranged at inner barrel 2 bottoms, described micro-hole aerator 4 comprises some microporous aeration discs, the quantity of described microporous aeration disc is determined by aeration rate and the slaking apparatus effective volume of microporous aeration disc.
Further, the requirement of the aeration rate of described microporous aeration disc and slaking apparatus effective volume is: the total aeration rate of mud that every cubic metre of solid content is 5-7% reaches 0.8-1.2m
3/ h.
Further, above-mentioned internal recycle autothermal high temperature microaerobic digesting device for sludge also comprises following any or a plurality of parts:
-mud froth breaking pipe 11, described mud froth breaking pipe 11 is arranged at the below of gas discharge outlet 13, and is connected with aeration tube 7 by the gas manifold 10 that is provided with the second gas meter 8 and the second gas valve 9;
-mud liquid level observation pipe 12, the outlet of described mud liquid level observation pipe 12 is arranged at the circular cylindrical cavity bottom of outer cylinder body 1, and is connected with transparent pipe by curve bend;
Further, the reservation on the top of mud liquid level and outer cylinder body 1 distance is 80cm, mud froth breaking pipe 11 be positioned at gas discharge outlet under the 10-20cm place.
Be specially,
The internal recycle autothermal high temperature microaerobic digesting device for sludge that the present embodiment provides, comprise: coaxial outer cylinder body 1 and the inner barrel 2 arranged, the sludge aeration system formed by micro-hole aerator 4, gas meter 5, gas valve 6, aeration tube 7, the mud defoaming system formed by gas meter 8, gas valve 9, gas manifold 10, mud froth breaking pipe 11, the control valve on axial flow mechanical stirrer 3, mud liquid level observation pipe 12, gas discharge outlet 13, inspection manhole 14, mud mud inlet 15, shore pipe 17, aeration pump 18, support 19 and each pipeline.
Outer cylinder body 1 and inner barrel 2 are divided into by reaction unit two portions that volume is suitable jointly.The outside covering insulation material of outer cylinder body 1, top arranges gas discharge outlet 13, inspection manhole 14 and mud mud inlet 15, along its axle center, axial flow mechanical stirrer 3 is set, the bottom of mechanical stirrer 3 is higher than inner barrel 2 bottom 15-30cm, the funnel-shaped bottom portion of outer cylinder body 1 is the funnel shaped horizontal by certain obliquity, bottom arranges spoil disposal control valve 16 and shore pipe 17, and shore pipe 17 is drawn by outer cylinder body 1 funnel lower end, bottom.Mud liquid level observation pipe 12 is drawn in the bottom of the circular cylindrical cavity of outer cylinder body 1, by curve bend, with transparent pipe, is connected.Inner barrel 2 is fixed in outer cylinder body 1 by support 19 and is unsettled, support 19 two ends are individually fixed in inner barrel 2 medium positions and outer cylinder body 1 inwall, inner barrel 2 lower ends are higher than outer entire body bottom 10-20cm, upper end is immersed in 10-20cm under the mud liquid level, be evenly arranged micro-hole aerator 4 on the bottom horizontal plane of inner barrel 2, micro-hole aerator 4 assemblies are comprised of some microporous aeration discs, its quantity is by aeration plate aeration rate and the decision of slaking apparatus effective volume, and the total aeration rate of the mud that makes every cubic metre of solid content be 5-7% reaches 0.8-1.2m
3/ h, micro-hole aerator 4 is connected with aeration pump 18 by the aeration tube 7 that is provided with gas meter 5 and gas valve 6; The mud liquid level of device design and the reservation on outer entire body top be apart from being 80cm, mud froth breaking pipe be positioned at gas discharge outlet under 10-20cm, and be connected with aeration tube 7 by the gas manifold 10 that is provided with gas meter 8 and gas valve 9.
During the operation of this device, undigested mud enters inner barrel 2 from mud mud inlet 15, opens axial flow mechanical stirrer 3, and the rotating speed of agitator is set according to required sludge circulation flow velocity, and mud starts to circulate between inner/outer tube.Open aeration pump 18, air enters aeration tube 7, and enters inner core and start aeration from being placed in micro-hole aerator 4 holes in inner barrel 2, and according to required aeration rate adjustments of gas valve 6, gas flow can read by gas meter 5.Enter the air and broken mixing the under the stirring action of agitator of mud in cylinder of inner core, gas-liquid mixed is effective, and dirty in urceolus at the castering action of agitator; The mud of urceolus is subject to flow into inner core from the pushing effect of inner core mud, moves in circles.Owing to taking aeration in inner core, in inner core, the mud oxygen supply is comparatively sufficient, this part mud is by the digestion of aerobic microbiological, discharge amount of heat, mud in inner core is heated up, simultaneously, in working cycle, inner/outer tube mud is exchanged, aeration, overcome the shortcoming of all mud in anoxic or anaerobic state in the reaction system in turn, thereby can make mud that every cubic metre of solid content is 5-7% at 0.8-1.2m
3can obtain the intensification effect of 5-7 ℃ of heating up every day under the low aeration rate of/h, final, by aeration control, the temperature that makes to have mud in the reaction unit of Insulation is kept between 50-60 ℃.But the intensification of design accelerated reaction device of the present utility model and the aerobic degradation of organic matter sludges, and higher system temperature promotes conversely into the digestive efficiency of mud.Because the digestion reaction device is taked Insulation, the mud temperature can be stablized and rises to 45-65 ℃ in reaction unit.In sludge digestion process, due to carbon, nitrogen is lower and the overall aeration rate of system is less, easily produce foam, when producing, foam can open gas valve 9, a small amount of air enters gas manifold 10, carry out froth breaking by mud froth breaking pipe 11 holes that are placed in gas discharge outlet 13 belows, flow can read by gas meter 8.After moving for some time continuously, can open spoil disposal control valve 16 in good time, the tiny sandstone of accumulating in mud are discharged by shore pipe 17, prevent that its excessive accumulation from causing the obstruction to micro-hole aerator 4 assemblies.Can be by inspection manhole 14 inspection operation of being correlated with in operational process.Mud, after the certain hour stabilization, is opened spoil disposal control valve 16, by shore pipe 17 discharges.The tail gas produced in operational process advanced gas discharge outlet 13 and delivers to the emission-control equipment of waste water treatment plant and unified to process.When this slaking apparatus need to be keeped in repair, can carry out mud emptying by shore pipe 17.Mud liquid level observation pipe 12 can be used for observing the mud liquid level.
Above specific embodiment of the utility model is described.It will be appreciated that, the utility model is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present utility model.
Claims (10)
1. an internal recycle autothermal high temperature microaerobic digesting device for sludge is characterized in that: comprise outer cylinder body (1) and the inner barrel (2) of coaxial setting, wherein:
-outer cylinder body (1): its outside covering insulation material; the top of outer cylinder body (1) arranges gas discharge outlet (13), inspection manhole (14) and mud mud inlet (15); axle center along outer cylinder body (1) is provided with axial flow mechanical stirrer (3), and the bottom of outer cylinder body (1) is provided with spoil disposal control valve (16) and shore pipe (17);
-inner barrel (2), be arranged at the inside of outer cylinder body (1), the bottom of inner barrel (2) is provided with some micro-hole aerators (4), and described micro-hole aerator (4) is connected with aeration pump (18) by the aeration tube (7) that is provided with the first gas meter (5) and the first gas valve (6).
2. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 1, it is characterized in that: the week of described outer cylinder body (1), the bottom of outer cylinder body (1) was the funnel shaped with certain angle of inclination as circular cylindrical cavity.
3. according to the internal recycle autothermal high temperature microaerobic digesting device for sludge of claim 2, it is characterized in that: described shore pipe (17) is drawn by the lower end of the funnel-shaped bottom portion of outer cylinder body (1).
4. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 1, it is characterized in that: described inner barrel (2) integral body is a cylinder, be provided with certain distance between the bottom of the bottom of inner barrel (2) and outer cylinder body (1), the top-submerged of inner barrel (2) is under the mud liquid level, described inner barrel (2) is fixed in the inside of outer cylinder body (1) unsettled by support (19), and the two ends of described support (19) are individually fixed on the inwall of medium position on inner barrel (2) outer wall and outer cylinder body (1).
5. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 4 is characterized in that: the distance between the bottom of the bottom of described inner barrel (2) and outer cylinder body (1) is 10-2Ocm; The top-submerged of inner barrel (2) 10-2Ocm under the mud liquid level.
6. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 1, it is characterized in that: described axial flow mechanical stirrer (3) is stretched into the inside of outer cylinder body (1) by the top of outer cylinder body (1), and be arranged at the concentric, axial position of outer cylinder body (1) and inner barrel (2), be provided with distance between the bottom of the bottom of described axial flow mechanical stirrer (3) and inner barrel (2).
7. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 6 is characterized in that: the distance between the bottom of described axial flow mechanical stirrer (3) and the bottom of interior simplified (2) is 15-30cm.
8. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 1, it is characterized in that: described micro-hole aerator (4) is for a plurality of, and be uniformly distributed on the horizontal plane that is arranged at inner barrel (2) bottom, described micro-hole aerator (4) comprises some microporous aeration discs, and the quantity of described microporous aeration disc is determined by aeration rate and the slaking apparatus effective volume of microporous aeration disc.
9. internal recycle autothermal high temperature microaerobic digesting device for sludge according to claim 8, it is characterized in that: the requirement of the aeration rate of described microporous aeration disc and slaking apparatus effective volume is: the total aeration rate of mud that every cubic metre of solid content is 5-7% reaches 0.8-1.2m
3/ h.
10. according to the described internal recycle autothermal of any one in claim 1 to 9 high temperature microaerobic digesting device for sludge, it is characterized in that: also comprise following any or a plurality of parts:
-mud froth breaking pipe (11); described mud froth breaking pipe (11) is arranged at the below of gas discharge outlet (13), and is connected with aeration tube (7) by the gas manifold (10) that is provided with the second gas meter (8) and the second gas valve (9);
-mud liquid level observation pipe (12), described mud liquid level observation pipe (12) is drawn by the circular cylindrical cavity bottom of outer cylinder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202806649U CN203360239U (en) | 2013-05-21 | 2013-05-21 | Internal-circulation self-heating type sludge high-temperature microaerobic digestion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202806649U CN203360239U (en) | 2013-05-21 | 2013-05-21 | Internal-circulation self-heating type sludge high-temperature microaerobic digestion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360239U true CN203360239U (en) | 2013-12-25 |
Family
ID=49808031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202806649U Withdrawn - After Issue CN203360239U (en) | 2013-05-21 | 2013-05-21 | Internal-circulation self-heating type sludge high-temperature microaerobic digestion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203360239U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288317A (en) * | 2013-05-21 | 2013-09-11 | 上海交通大学 | Internal circulation self-heating type high-temperature microaerobic sludge digestion device |
| CN109678305A (en) * | 2019-02-21 | 2019-04-26 | 陆炯 | A kind of sludge treating system and its sludge treatment technique method |
| CN113683276A (en) * | 2021-07-28 | 2021-11-23 | 上海市政工程设计研究总院（集团）有限公司 | Automatic control device for self-heating high-temperature micro-aerobic stabilization and recycling of sludge |
-
2013
- 2013-05-21 CN CN2013202806649U patent/CN203360239U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103288317A (en) * | 2013-05-21 | 2013-09-11 | 上海交通大学 | Internal circulation self-heating type high-temperature microaerobic sludge digestion device |
| CN103288317B (en) * | 2013-05-21 | 2015-01-14 | 上海交通大学 | Internal circulation self-heating type high-temperature microaerobic sludge digestion device |
| CN109678305A (en) * | 2019-02-21 | 2019-04-26 | 陆炯 | A kind of sludge treating system and its sludge treatment technique method |
| CN113683276A (en) * | 2021-07-28 | 2021-11-23 | 上海市政工程设计研究总院（集团）有限公司 | Automatic control device for self-heating high-temperature micro-aerobic stabilization and recycling of sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103979763B (en) | The unpowered mixing of rural area (community) sewage-sludge liquid, anti-low temp biochemical treatment unit | |
| CN101817615A (en) | Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater | |
| CN103626295B (en) | Sewage disposal device and processing method | |
| CN105461051A (en) | Magnetic load magnetic sludge internal reflux sewage biological treatment process and device system thereof | |
| CN203878046U (en) | Farm waste biochemical digestion and storage system | |
| CN203360239U (en) | Internal-circulation self-heating type sludge high-temperature microaerobic digestion device | |
| CN103979681A (en) | Nitrification/denitrification integrated rural domestic sewage treatment system | |
| CN106865935A (en) | Using anthraquinone 2,6 disulfonic acid salt（AQDS）The method for promoting excess sludge methane phase | |
| CN1821123B (en) | Device and method for anaerobic treating waste water and method of propagating active granular bacteria strain at normal termperature | |
| CN104759228A (en) | Gas push type self-mixing combined purifying tank | |
| CN103723892B (en) | Livestock and poultry wastewater treatment system and treatment method using system | |
| CN203781915U (en) | Nitrification and denitrification integrated rural domestic sewage treatment system | |
| CN103288317B (en) | Internal circulation self-heating type high-temperature microaerobic sludge digestion device | |
| CN107720957B (en) | Reaction device and method for anaerobic treatment of high-concentration organic wastewater and solid waste at constant temperature in sequencing batch | |
| CN106517671A (en) | Wastewater treating system suitable for high-cold and anoxic regions | |
| CN202912764U (en) | Biological sewage treatment device for stirring by using anaerobic gas | |
| CN203144240U (en) | Biological reaction device for treating and recycling cultivation wastewater | |
| CN206511981U (en) | A kind of small-sized biological membrane reactor | |
| CN102408154A (en) | Biological wastewater treatment device implementing stirring operation by using anaerobic gas | |
| CN105984938A (en) | Macrobrachium rosenbergii breeding pond oxygenation system | |
| CN205170624U (en) | Environmental protection sewage treatment system | |
| CN105236575B (en) | It is a kind of that stream process is made using circulation and repairs the device and method of polluted-water | |
| CN104016543A (en) | Sewage treatment system | |
| CN203976787U (en) | A kind of fecal sewage treatment methane-generating pit | |
| CN204281520U (en) | Cold district Large-scale pig farm waste disposal plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150114 |
|
| RGAV | Abandon patent right to avoid regrant |