CN211645011U - Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis - Google Patents
Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis Download PDFInfo
- Publication number
- CN211645011U CN211645011U CN202020159820.6U CN202020159820U CN211645011U CN 211645011 U CN211645011 U CN 211645011U CN 202020159820 U CN202020159820 U CN 202020159820U CN 211645011 U CN211645011 U CN 211645011U
- Authority
- CN
- China
- Prior art keywords
- sludge
- pyrohydrolysis
- filter
- plate
- anaerobic digestion
- 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.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 103
- 230000029087 digestion Effects 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000003825 pressing Methods 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 18
- 238000000197 pyrolysis Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009283 thermal hydrolysis Methods 0.000 description 1
Images
Abstract
The utility model discloses a high-grade anaerobic digestion device based on sludge secondary pyrohydrolysis, which comprises a primary sludge pyrohydrolysis reaction kettle, a secondary sludge pyrohydrolysis reaction tank, a plate-and-frame filter press, a high-efficiency anaerobic reactor, a methane boiler, a sludge bin, a sludge delivery pump, a cooling water pool, a cooling water circulating pump, a sludge delivery pump, a filter pressing liquid pool and a filter pressing liquid delivery pump, wherein the sludge bin is communicated with the primary sludge pyrohydrolysis reaction kettle through the sludge delivery pump, the utility model discloses a pyrohydrolysis solid-liquid separation is arranged after pyrohydrolysis is completed, inorganic matters such as sand in sludge realize separation and do not enter the anaerobic digestion of the next level, thereby preventing the difficult problems of pipeline blockage and the like in the anaerobic reactor, the organic matters in sludge are converted into methane, the resource recycling of sludge is realized, the utility model discloses a pyrohydrolysis process does not need steam exhaust and pressure relief, does not generate condensation odor, and solves the problem of high-concentration odor in the sludge treatment process.
Description
Technical Field
The utility model relates to a municipal administration sludge treatment deals with the field, in particular to based on advanced anaerobic digestion device of mud second grade pyrohydrolysis.
Background
At present, a large amount of municipal sludge is generated in cities and towns of China every day, the treatment and disposal of the sludge become the urgent problem of each city, great pressure is caused to the environment and sustainable development of the city, the traditional method needs to be changed for realizing the reduction, harmlessness, stabilization and reclamation of the sludge, and the urgent problem is solved by adopting a new process and a new technology.
Because the sand content of sludge in China is large, sand siltation causes unstable operation of the traditional sludge pyrohydrolysis anaerobic digestion project, the project treatment efficiency is low, the investment is large, a sludge bin in the existing device is difficult to preliminarily filter the externally poured sludge, so that large-particle impurities in the sludge are easy to damage elements of the device, meanwhile, the sludge attached to the inner wall of the sludge bin is difficult to quickly clean, in addition, most of filter pressing liquid of the sludge is stored in a filter pressing liquid pool, and gas generated by the filter pressing liquid of the sludge easily causes the phenomenon of overlarge pressure on the filter pressing liquid pool, so that the safety of the device has a certain problem.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a based on senior anaerobic digestion device of mud second grade pyrohydrolysis can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-grade anaerobic digestion device based on sludge secondary pyrohydrolysis comprises a primary sludge pyrohydrolysis reaction kettle, a secondary slurry pyrolysis reaction tank, a plate-and-frame filter press, an efficient anaerobic reactor, a biogas boiler, a sludge bin, a sludge conveying pump, a cooling water pool, a cooling water circulating pump, a sludge conveying pump, a filter pressing liquid pool and a filter pressing liquid conveying pump, wherein the sludge bin is communicated with the primary sludge pyrohydrolysis reaction kettle through the sludge conveying pump, the primary sludge pyrohydrolysis reaction kettle is communicated with the secondary slurry pyrolysis reaction tank, the cooling water pool is communicated with the secondary slurry pyrolysis reaction tank through the cooling water circulating pump, the input end of the plate-and-frame filter press is communicated with the secondary slurry pyrolysis reaction tank, the output end of the plate-and-frame filter press is communicated with the filter pressing liquid pool, one end of the efficient anaerobic reactor is communicated with the biogas boiler, and the other end of the efficient anaerobic reactor is communicated with the filter pressing liquid pool, one-level mud pyrolytic reaction cauldron and biogas boiler intercommunication, the inside top in mud storehouse is fixed with the filter plate, department installs gear motor in the middle of the top of filter plate, the gear motor transmission shaft extends to the below of filter plate and installs the scraper blade, the inside top in filter-pressing liquid pool is fixed with the closing plate, department is fixed with the air duct in the middle of the inside of closing plate, the top of air duct is provided with sealed lid, and is fixed with the backup pad below the inside of air duct, the backup pad passes through spring elastic connection with sealed lid, and the bleeder vent has been seted up to the outer wall of backup pad.
Preferably, a stirrer for stirring the sludge is arranged in the primary sludge pyrolysis reaction kettle, and a cooling jacket is arranged on the outer surface of the secondary sludge pyrolysis reaction kettle.
Preferably, the section of the scraper is trapezoidal, and the outer wall of the scraper is in contact with the inner wall of the sludge bin.
Preferably, a blocking cover is fixed on the top of the filter plate and positioned outside the speed reduction motor, and a rubber sealing ring is arranged between the blocking cover and the filter plate.
Preferably, the diameter of the sealing cover is consistent with that of the air guide pipe, supporting blocks are fixed on two sides of the bottom of the sealing plate on the inner wall of the filter pressing liquid pool, and the cross section of each supporting block is triangular
Preferably, the spring is internally provided with a telescopic column, and two ends of the telescopic column are respectively connected with the sealing cover and the supporting plate.
Compared with the prior art, the utility model provides a based on advanced anaerobic digestion device of mud second grade pyrohydrolysis has following beneficial effect:
1. the utility model discloses it is higher to compare in traditional mud pyrohydrolysis anaerobic digestion efficiency, and the investment is lower, the utility model discloses a arrange pyrolysis mud solid-liquid separation after pyrohydrolysis accomplishes, inorganic matters such as grit have realized that the separation does not get into the anaerobic digestion of next-level in the mud, have prevented operation difficult problems such as pipe blockage in the anaerobic reactor.
2. The utility model discloses interior mud second grade pyrohydrolysis technology has realized to the utmost that the organic matter in the mud has become soluble CODcr.
3. The utility model converts the organic matters in the sludge into the methane, thereby realizing the resource recycling of the sludge;
4. the thermal hydrolysis process of the utility model does not need steam exhaust and pressure relief, does not produce condensation odor, and solves the problem of high-concentration odor in the sludge treatment process.
5. The utility model discloses in, drive the scraper blade through gear motor and rotate, can scrape the mud storehouse inner wall, and then scrape the mud that the mud storehouse inner wall is adnexed and fall to mud delivery pump feed end to promote the efficiency that mud was carried, improved the convenient degree when mud storehouse was cleared up simultaneously, the large granule debris in the filter plate can the separation mud, and then play the guard action to the sludge pump.
6. The utility model discloses in, can seal the filter-pressing liquid pool through the closing plate, and then avoid the smell of filter-pressing liquid to reveal to the air in, through air duct, sealed lid, spring, backup pad, bleeder vent, can be when the inside atmospheric pressure of filter-pressing liquid pool is too big, automatic pressure release to security when improving the device and using.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the sludge bin of the present invention.
Fig. 3 is a sectional view of the shield of the present invention.
Fig. 4 is the structural schematic diagram of the filter pressing liquid tank of the utility model.
Fig. 5 is a cross-sectional view of the airway device of the present invention.
Reference numerals: 1. a first-stage sludge pyrolysis reaction kettle; 2. a second-stage slurry pyrolysis reaction tank; 3. a plate-and-frame filter press; 4. a high-efficiency anaerobic reactor; 5. a biogas boiler; 6. a sludge bin; 601. a reduction motor; 602. a shield; 603. filtering the plate; 604. a squeegee; 7. a sludge delivery pump; 8. a cooling water pool; 9. a cooling water circulation pump; 10. a slurry delivery pump; 11. a filter pressing liquid pool; 1101. a sealing plate; 1102. an air duct; 1103. a sealing cover; 1104. a spring; 1105. a support plate; 1106. air holes are formed; 12. and a filtrate delivery pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-5, a sludge-based secondary pyrohydrolysis advanced anaerobic digestion device comprises a primary sludge pyrohydrolysis reaction kettle 1, a secondary sludge pyrohydrolysis reaction tank 2, a plate and frame filter press 3, a high-efficiency anaerobic reactor 4, a biogas boiler 5, a sludge bin 6, a sludge transfer pump 7, a cooling water pool 8, a cooling water circulation pump 9, a sludge transfer pump 10, a filter pressing liquid pool 11 and a filtrate transfer pump 12, wherein the sludge bin 6 is communicated with the primary sludge pyrohydrolysis reaction kettle 1 through the sludge transfer pump 7, the primary sludge pyrohydrolysis reaction kettle 1 is communicated with the secondary sludge pyrohydrolysis reaction tank 2, the cooling water pool 8 is communicated with the secondary sludge pyrohydrolysis reaction tank 2 through the cooling water circulation pump 9, the input end of the plate and frame filter press 3 is communicated with the secondary sludge pyrohydrolysis reaction tank 2, the output end of the plate and frame filter press 3 is communicated with the filter pressing liquid pool 11, one end of the high-efficiency anaerobic, the other end of the high-efficiency anaerobic reactor 4 is communicated with a filter pressing liquid tank 11 through a filter pressing liquid delivery pump 12, the primary sludge pyrolysis reaction kettle 1 is communicated with a biogas boiler 5, a filter plate 603 is fixed above the inside of a sludge bin 6, a speed reduction motor 601 is installed in the middle of the top of the filter plate 603, a transmission shaft of the speed reduction motor 601 extends to the lower part of the filter plate 603 and is provided with a scraper 604, a sealing plate 1101 is fixed above the inside of the filter pressing liquid tank 11, an air guide pipe 1102 is fixed in the middle of the inside of the sealing plate 1101, the top of the air guide pipe 1102 is provided with a sealing cover 1103, a supporting plate 1105 is fixed below the inside of the air guide pipe 1102, the supporting plate 1105 is elastically connected with the sealing cover 1103.
Further, a stirrer for stirring the sludge is arranged in the first-stage sludge pyrolysis reaction kettle 1, and a cooling jacket is arranged on the outer surface of the second-stage sludge pyrolysis reaction tank 2.
Further, the section of the scraper 604 is trapezoidal, the outer wall of the scraper 604 contacts with the inner wall of the sludge bin 6, a blocking cover 602 is fixed on the top of the filter plate 603 outside the speed reduction motor 601, and a rubber sealing ring is arranged between the blocking cover 602 and the filter plate 603.
Specifically, the diameter of the sealing cover 1103 is the same as that of the air duct 1102, supporting blocks are fixed to both sides of the bottom of the inner wall sealing plate 1101 of the filter pressing liquid tank 11, the cross-sectional shape of each supporting block is triangular, a telescopic column is arranged inside the spring 1104, and both ends of the telescopic column are connected to the sealing cover 1103 and the supporting plate 1105 respectively.
Through the technical scheme:
when the sludge cleaning device is used, sludge to be treated is directly poured into the sludge bin 6, large-particle impurities in the sludge can be separated under the action of the filter plate 603, the sludge is prevented from entering the bottom of the sludge bin 6 and being extracted by the sludge conveying pump 7, so that the sludge conveying pump 7 is protected, the speed reducing motor 601 is started, then the transmission shaft of the speed reducing motor 601 can drive the scraper 604 to rotate, and further sludge attached to the inner wall of the sludge bin 6 is scraped off, so that the convenience of the sludge conveying pump 7 in extracting the sludge is improved, and the convenience of the sludge bin 6 in subsequent cleaning is also improved;
utilize closing plate 1101 to seal filter-pressing liquid tank 11, and then avoid the mud smell in the filter-pressing liquid tank 11 directly to release to the air, so that the cleanliness factor of air around the hoisting device, when the inside gas pressure of gathering in filter-pressing liquid tank 11 is too big, the gas can upwards jack-up sealed lid 1103, and then make gas flow from the gap between air duct 1102 and the sealed lid 1103, so that reduce the inside pressure in filter-pressing liquid tank 11, thereby improve the security of device, after the inside pressure reduction in filter-pressing liquid tank 11, under spring 1104's effect, sealed lid 1103 can contact with air duct 1102 again, thereby seal filter-pressing liquid tank 11 once more.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A high-grade anaerobic digestion device based on sludge secondary pyrohydrolysis comprises a primary sludge pyrohydrolysis reaction kettle (1), a secondary sludge pyrohydrolysis reaction tank (2), a plate-and-frame filter press (3), a high-efficiency anaerobic reactor (4), a biogas boiler (5), a sludge bin (6), a sludge delivery pump (7), a cooling water pool (8), a cooling water circulating pump (9), a sludge delivery pump (10), a filter pressing liquid pool (11) and a filtrate delivery pump (12), wherein the sludge bin (6) is communicated with the primary sludge pyrohydrolysis reaction kettle (1) through the sludge delivery pump (7), the primary sludge pyrohydrolysis reaction kettle (1) is communicated with the secondary sludge pyrohydrolysis reaction tank (2), the cooling water pool (8) is communicated with the secondary sludge pyrohydrolysis reaction tank (2) through the cooling water circulating pump (9), the input end of the plate-and-frame filter press (3) is communicated with the secondary sludge pyrohydrolysis reaction tank (2), the filter press filter (3) output communicates with filter pressing liquid pool (11), the one end and the biogas boiler (5) intercommunication of high-efficiency anaerobic reactor (4), the other end and filter pressing liquid pool (11) of high-efficiency anaerobic reactor (4) communicate through filter pressing liquid delivery pump (12), one-level mud pyrolysis reation kettle (1) communicates with biogas boiler (5), its characterized in that: the inside top in mud storehouse (6) is fixed with filter plate (603), department installs gear motor (601) in the middle of the top of filter plate (603), gear motor (601) transmission shaft extends to the below of filter plate (603) and installs scraper blade (604), the inside top in filter-pressing liquid pond (11) is fixed with closing plate (1101), department is fixed with air duct (1102) in the middle of the inside of closing plate (1101), the top of air duct (1102) is provided with sealed lid (1103), and is fixed with backup pad (1105) below the inside of air duct (1102), spring (1104) elastic connection is passed through with sealed lid (1103) in backup pad (1105), and bleeder vent (1106) have been seted up to the outer wall of backup pad (1105).
2. The advanced anaerobic digestion unit based on sludge secondary pyrohydrolysis according to claim 1, characterized in that: a stirrer for stirring the sludge is arranged in the primary sludge pyrolysis reaction kettle (1), and a cooling jacket is arranged on the outer surface of the secondary sludge pyrolysis reaction tank (2).
3. The advanced anaerobic digestion unit based on sludge secondary pyrohydrolysis according to claim 1, characterized in that: the section of the scraper (604) is trapezoidal, and the outer wall of the scraper (604) is in contact with the inner wall of the sludge bin (6).
4. The advanced anaerobic digestion unit based on sludge secondary pyrohydrolysis according to claim 1, characterized in that: the diameter of the sealing cover (1103) is consistent with that of the air guide pipe (1102), supporting blocks are fixed on two sides of the bottom of an inner wall sealing plate (1101) of the filter pressing liquid pool (11), and the cross section of each supporting block is triangular.
5. The advanced anaerobic digestion unit based on sludge secondary pyrohydrolysis according to claim 1, characterized in that: the spring (1104) is internally provided with a telescopic column, and two ends of the telescopic column are respectively connected with the sealing cover (1103) and the supporting plate (1105).
6. The advanced anaerobic digestion unit based on sludge secondary pyrohydrolysis according to claim 1, characterized in that: a blocking cover (602) is fixed on the top of the filter plate (603) and positioned outside the speed reducing motor (601), and a rubber sealing ring is arranged between the blocking cover (602) and the filter plate (603).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159820.6U CN211645011U (en) | 2020-02-10 | 2020-02-10 | Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020159820.6U CN211645011U (en) | 2020-02-10 | 2020-02-10 | Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211645011U true CN211645011U (en) | 2020-10-09 |
Family
ID=72683152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020159820.6U Active CN211645011U (en) | 2020-02-10 | 2020-02-10 | Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211645011U (en) |
-
2020
- 2020-02-10 CN CN202020159820.6U patent/CN211645011U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108328883A (en) | A kind of low energy consumption sewage treatment process and device based on carbon source recycling | |
| CN107381700A (en) | A kind of multistage ozone air-float technique slag-draining device based on siphon principle | |
| CN209554933U (en) | A kind of drainage system sewage-treatment plant | |
| CN211645011U (en) | Advanced anaerobic digestion device based on sludge secondary pyrohydrolysis | |
| CN111153578A (en) | Advanced anaerobic digestion method and device based on sludge secondary pyrohydrolysis | |
| CN201737805U (en) | Wastewater treatment device made of corrugated paper | |
| CN113045094A (en) | Physicochemical treatment system and treatment process for waste emulsion | |
| CN211005382U (en) | System for anaerobic fermentation produces marsh gas and retrieves sulphur | |
| CN111908526A (en) | Intermittent sewage treatment device for washing sewage treatment | |
| CN215439997U (en) | Dry-type anaerobic digestion liquid dewatering system | |
| CN212246401U (en) | Anaerobic reaction sewage treatment device integrating three-phase separator | |
| CN205170613U (en) | Domestic sewage integration processing system | |
| CN207243700U (en) | A kind of advanced anaerobic digestion device of sludge two level pyrohydrolysis | |
| CN103893941A (en) | Method for neutralizing and hydrolyzing organic silicon slurry residues by virtue of alkali residues according to principle of treating wastes with wastes | |
| CN208814736U (en) | A kind of immersion type membrane separator for anaerobic bio-treated | |
| CN203922963U (en) | A kind of pretreatment unit of ight soil | |
| CN211921288U (en) | Sludge thickener applied to urban sewage treatment | |
| CN206476800U (en) | Multifunctional efficient degraded hydrolytic tank for handling sanitary sewage | |
| CN205528291U (en) | Domestic sewage retrieval and utilization processing system | |
| CN215756969U (en) | Intermittent sludge pyrohydrolysis system | |
| CN205398396U (en) | Novel poultry sewage treatment integration equipment | |
| CN217996942U (en) | Intelligent oil removing device for sewage treatment | |
| CN108946935A (en) | A kind of immersion type membrane separator for anaerobic bio-treated | |
| CN213012138U (en) | Magnesium sulfate treatment device for CLT acid wastewater | |
| CN214990915U (en) | Materialization treatment system of waste emulsion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210610 Address after: No.23, Shanquan Road, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Huineng Environmental Technology Co.,Ltd. Patentee after: Jiangyin QUANNENG Environmental Technology Co.,Ltd. Address before: No.23, Shanquan Road, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangsu Huineng Environmental Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231025 Address after: 214400 Power Plant Road East and Chengyang Road South, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangyin QUANNENG Environmental Technology Co.,Ltd. Address before: No.23, Shanquan Road, Zhouzhuang Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangsu Huineng Environmental Technology Co.,Ltd. Patentee before: Jiangyin QUANNENG Environmental Technology Co.,Ltd. |