CN-122010296-A - Microbial sewage treatment tank for rural domestic sewage treatment

CN122010296ACN 122010296 ACN122010296 ACN 122010296ACN-122010296-A

Abstract

The invention discloses a microbial sewage treatment tank for rural domestic sewage treatment, which comprises a sewage tank, wherein a walking aeration assembly is arranged in the sewage tank, the walking aeration assembly is used for aerating into the sewage tank, a mud scraping assembly is also arranged in the sewage tank, the mud scraping assembly is used for scraping and loosening old mud at the bottom of the sewage tank, a lifting assembly is arranged in the sewage tank, and the lifting assembly is used for integrally lifting the walking aeration assembly and the mud scraping assembly; according to the invention, the mud scraping assembly is driven by the walking aeration assembly to realize synchronous reciprocating sliding, the mud scraping plates arranged at the bottoms of the mud scraping assemblies synchronously move along with the walking aeration assembly, and continuously act on the bottom of the sewage tank in the reciprocating sliding process, so that aged mud, hardened mud and inorganic sediment deposited on the upper layer of the mud can be scraped, solidification and hardening after long-term accumulation of the mud are avoided, the mud resistance of the bottom of the tank is effectively reduced, the mud layer is prevented from continuously rising to submerge the aeration component, and sufficient aeration, stirring and microbial reaction spaces are ensured.

Inventors

GENG BING
ZHENG XIANGQUN
LUO LIANGGUO
ZHU JIE
LIU LIYUAN
WANG JIARUI
LIU XUE

Assignees

中国农业科学院农业环境与可持续发展研究所

Dates

Publication Date: 20260512
Application Date: 20260323

Claims (10)

1. The microbial sewage treatment tank for rural domestic sewage treatment comprises a sewage tank (1) and is characterized in that a walking aeration assembly is arranged in the sewage tank (1), the walking aeration assembly is used for aerating the sewage tank (1), a mud scraping assembly is further arranged in the sewage tank (1), the mud scraping assembly is used for scraping and loosening old mud at the bottom of the sewage tank (1), a lifting assembly is arranged in the sewage tank (1), and the lifting assembly is used for integrally lifting the walking aeration assembly and the mud scraping assembly; The mud scraping assembly comprises a lifting table (36), a mounting box (38), a connecting plate (41), a mud scraping plate (42) and a reciprocating sliding mechanism, wherein the reciprocating sliding mechanism is used for driving the mud scraping plate (42) to slide in a reciprocating mode, one end of the connecting plate (41) is fixedly connected with the upper end of the mud scraping plate (42), the other end of the connecting plate is fixedly connected with the lower end of the mounting box (38), and the mounting box (38) slides in a reciprocating mode on the lifting table (36).
2. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 1, wherein the lifting assembly comprises lifting columns (2), sliding plates (4), lifting motors (20), screw rods (21), second sliding blocks (22) and second sliding grooves (40), the two lifting columns (2) are symmetrically arranged in the sewage tank (1), the second sliding grooves (40) are formed in the lifting columns (2), the screw rods (21) are rotatably connected in the second sliding grooves (40), the second sliding blocks (22) are slidably connected with the screw rods (21) and slide in the second sliding grooves (40), and the sliding plates (4) are fixedly connected with the second sliding blocks (22).
3. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 2, wherein the walking aeration assembly comprises a rotary table (12), a turbulent flow column (13), an air injection disc (14), a mounting shaft (15), a mounting column (16), an air outlet pipe (17), an air pump (18), an air inlet pipe (19) and a walking mechanism, wherein the walking mechanism is used for driving the rotary table (12) to walk, and a plurality of turbulent flow columns (13) and air injection discs (14) are respectively arranged on two sides of the rotary table (12) in a surrounding mode.
4. A microbial sewage treatment tank for rural domestic sewage treatment according to claim 3, wherein the installation shafts (15) are symmetrically installed at the axle centers of two sides of the turntable (12), a support table (3) is arranged above the turntable (12), one end of the installation column (16) is fixedly connected with the lower end of the support table (3), the other end of the installation column is rotatably connected with the installation shaft (15) on the same side of the air injection disk (14), one end of the air outlet pipe (17) is fixedly connected with the air outlet of the air pump (18), one end of the air outlet pipe is rotatably connected with the installation shaft (15) on the same side of the turbulent flow column (13), the air pump (18) is installed on the support table (3), and the air inlet pipe (19) is fixedly connected with the air inlet of the air pump (18).
5. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 4, wherein the traveling mechanism comprises a driving unit and a traveling unit, the driving unit comprises a traveling motor (5), a driving gear (6), a fixing plate (7) and a rotating shaft (8), an output shaft of the traveling motor (5) is fixedly connected with the rotating shaft (8), the driving gear (6) is fixedly connected on the rotating shaft (8), the rotating shaft (8) is rotatably connected with the fixing plate (7), and the support table (3) is installed above the fixing plate (7).
6. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 5, wherein the walking unit comprises a first sliding block (9), a sliding rail (10), a walking gear (11) and a toothed plate (43), two ends of the sliding rail (10) and the toothed plate (43) are respectively fixedly connected with the corresponding sliding plates (4), the walking gear (11) is arranged on the periphery of the rotary table (12), the walking gear (11) is meshed with the driving gear (6) and the toothed plate (43), the first sliding block (9) is fixedly connected with the lower end of the fixed plate (7), the first sliding block (9) slides on the sliding rail (10), and the rotary table (12) reciprocates between the sliding rails (10).
7. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 6, wherein the reciprocating sliding mechanism comprises a pressing block (23), a wedge surface block (24), a sliding cylinder (25) and a sliding unit, the pressing block (23) is installed on a support table (3), the sliding cylinder (25) is installed in an installation box (38), the wedge surface block (24) is installed at the telescopic end of the sliding cylinder (25), one end gear tooth is arranged on the side wall of the lower end of the wedge surface block (24), and the pressing block (23) gradually presses the upper end of the wedge surface block (24) when sliding.
8. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 7, wherein the sliding unit comprises a pressing rod (26), a rack (27), a guide rod (28), a first spring (29), a first gear (30), a first rotating shaft (31), a second gear (32), a second rotating shaft (33), a third sliding block (34), a second spring (35), a first sliding groove (37) and a stop block (39).
9. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 8, wherein the lifting table (36) is provided with a first chute (37), the third sliding block (34) slides in the first chute (37), one end of the second spring (35) is fixedly connected with the side wall of the first chute (37), the other end of the second spring is fixedly connected with the side wall of the third sliding block (34), the third sliding block (34) is fixedly connected with the side wall of the mounting box (38), the stop block (39) is fixedly connected onto the lifting table (36), and the lifting table (36) is fixedly connected with the sliding plate (4).
10. The microbial sewage treatment tank for rural domestic sewage treatment according to claim 9, wherein two ends of the guide rod (28) are fixedly connected to two side walls of the installation box (38), the rack (27) slides on the guide rod (28), the pressing rod (26) is fixedly connected to one end of the rack (27) close to the stop block (39), the pressing rod (26) penetrates through the installation box (38) to be in sliding connection, the rack (27) is meshed with the first gear (30), the first gear (30) is meshed with the second gear (32), the second gear (32) is meshed with the lower end gear of the wedge block (24), the first gear (30) and the second gear (32) are fixedly connected with the first rotating shaft (31) and the second rotating shaft (33) respectively, the first rotating shaft (31) and the second rotating shaft (33) are rotatably connected to the side wall of the installation box (38), one end of the first spring (29) is meshed with the end of the rack (27) far away from the pressing rod (26), and the first gear (30) is fixedly connected with the side wall of the installation box (38).

Description

Microbial sewage treatment tank for rural domestic sewage treatment Technical Field The invention relates to the technical field of sewage treatment, in particular to a microbial sewage treatment tank for rural domestic sewage treatment. Background The microbial sewage treatment tank degrades organic pollutants in sewage by virtue of oxidative decomposition of aerobic microorganisms, so that water quality purification is realized, sufficient dissolved oxygen is supplied, a stable and good sludge state is realized, and the microbial sewage treatment tank is a core premise for guaranteeing microbial activity and sewage treatment effect. The utility model discloses a self-oxygenation type microorganism sewage treatment tank as disclosed in the patent number of CN111333173A, wherein the sewage treatment tank utilizes high-temperature evaporation liquid gasification to drive a sliding plug, a gear rack and a rotating column to rotate, and is matched with pump water spraying and air injection to realize passive oxygenation, but the device only has a single oxygenation function, has no sludge cleaning and hardening prevention structure, is easy to cause sludge aging hardening after long-term operation, and has uneven aeration diffusion. Disclosure of Invention The invention aims to solve the defects in the prior art and provides a microbial sewage treatment tank for rural domestic sewage treatment. In order to achieve the above purpose, the present invention adopts the following technical scheme: The microbial sewage treatment tank for rural domestic sewage treatment comprises a sewage tank, wherein a walking aeration assembly is arranged in the sewage tank, the walking aeration assembly is used for aerating into the sewage tank, a mud scraping assembly is also arranged in the sewage tank, the mud scraping assembly is used for scraping and loosening old mud at the bottom of the sewage tank, a lifting assembly is arranged in the sewage tank, and the lifting assembly is used for integrally lifting the walking aeration assembly and the mud scraping assembly; The mud scraping assembly comprises a lifting table, a mounting box, a connecting plate, a mud scraping plate and a reciprocating sliding mechanism, wherein the reciprocating sliding mechanism is used for driving the mud scraping plate to slide in a reciprocating manner, one end of the connecting plate is fixedly connected with the upper end of the mud scraping plate, the other end of the connecting plate is fixedly connected with the lower end of the mounting box, and the mounting box slides in a reciprocating manner on the lifting table. Preferably, the lifting assembly comprises lifting columns, sliding plates, lifting motors, screws, second sliding blocks and second sliding grooves, wherein the two lifting columns are symmetrically arranged in the sewage pool, the second sliding grooves are formed in the lifting columns, the screws are rotationally connected in the second sliding grooves, the second sliding blocks are in sliding connection with the screws and slide in the second sliding grooves, and the sliding plates are fixedly connected with the second sliding blocks. Preferably, the walking aeration assembly comprises a turntable, a turbulent flow column, an air injection disk, a mounting shaft, a mounting column, an air outlet pipe, an air pump, an air inlet pipe and a travelling mechanism, wherein the travelling mechanism is used for driving the turntable to walk, and a plurality of turbulent flow columns and air injection disks are respectively arranged on two sides of the turntable in a surrounding mode. Preferably, the installation axisymmetry is installed in the both sides axle center department of carousel, the carousel top is equipped with the support platform, erection column one end and support platform lower extreme fixed connection, one end and jet-propelled dish homonymy's installation axle rotation are connected, outlet duct one end and aspiration pump gas outlet fixed connection, one end and vortex column homonymy's installation axle rotation are connected, the aspiration pump is installed on the support platform, intake pipe and aspiration pump's air inlet fixed connection. Preferably, the travelling mechanism comprises a driving unit and a travelling unit, the driving unit comprises a travelling motor, a driving gear, a fixing plate and a rotating shaft, an output shaft of the travelling motor is fixedly connected with the rotating shaft, the driving gear is fixedly connected to the rotating shaft, the rotating shaft is rotatably connected with the fixing plate, and the support table is installed above the fixing plate. Preferably, the walking unit comprises a first sliding block, a sliding rail, a walking gear and a toothed plate, wherein two ends of the sliding rail and the toothed plate are respectively fixedly connected with the corresponding sliding plate, the walking gear is arranged on the periphery of the rotary table, the walking