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CN-122010287-A - Mechanical stirring strengthening device for sewage treatment in alpine region

CN122010287ACN 122010287 ACN122010287 ACN 122010287ACN-122010287-A

Abstract

The invention discloses a mechanical stirring strengthening device for sewage treatment in alpine regions, which comprises a base, a stirring assembly and a heating assembly, wherein the top of the base is connected with a stirring bin through supporting legs, the stirring assembly is arranged in the stirring bin, the stirring assembly comprises a hollow stirring shaft and a gear box, the hollow stirring shaft is provided with two groups and is rotationally connected in the stirring bin through bearing seats, the heating assembly comprises an electric heating plate and an electric heating rod, the efficient transmission and uniform diffusion of heat are realized through the dual functions of conduction and internal radiation at the bottom of the stirring bin, the electric heating plate at the bottom of the stirring bin is matched with a high heat conduction pad to form a global basic heating layer, the sewage at the bottom of the stirring bin is ensured not to be frozen due to low temperature, the electric heating rod in the interior is rotated along with the stirring shaft to form a dynamic heating field, and the convection effect of reverse stirring is combined, so that the sewage temperature in the bin is uniformly distributed, and the sewage temperature is effectively maintained in an activity optimal range of functional microorganisms such as nitrifying bacteria.

Inventors

  • ZHANG YUFEI
  • LI ZHIDONG
  • WANG JIA
  • WANG WEI
  • ZHANG LIWEN
  • Li Cihua
  • CHEN BINGSEN
  • BAO LIDA
  • WANG YUPENG

Assignees

  • 广州环投环境服务有限公司
  • 广州环净环保工程有限公司

Dates

Publication Date
20260512
Application Date
20260204

Claims (10)

  1. 1. The utility model provides a high cold district sewage treatment is with mechanical stirring reinforcing apparatus which characterized in that includes: The stirring device comprises a base (1), wherein the top of the base (1) is connected with a stirring bin (3) through a support leg (2); The stirring assembly is arranged in the stirring bin (3) and used for stirring and mixing sewage so as to strengthen the sewage treatment reaction effect, the stirring assembly comprises a hollow stirring shaft (4) and a gear box (5), the hollow stirring shaft (4) is provided with two groups, the hollow stirring shafts (4) are all connected in the stirring bin (3) through bearing seats in a rotating way, the stirring bin (3) is connected to one end of the base (1) and used for driving the two groups of hollow stirring shafts (4) to synchronously rotate along opposite directions, and convection disturbance is formed through reverse stirring, so that stirring uniformity and strengthening effect are improved; Heating element, heating element locates in stirring storehouse (3) for prevent to lead to nitrifying fungus activity suddenly to descend because of high altitude low temperature winter, avoid sewage to freeze simultaneously, heating element includes electrical heating board (6), electric heater rod (8), offered heating cavity (7) in stirring storehouse (3) bottom, electrical heating board (6) set up in heating cavity (7) to realize the even heating of stirring storehouse (3) bottom, electric heater rod (8) are equipped with two sets of and locate respectively in two sets of hollow (4) stirring axle, through electric heating board (6) cooperation hollow (4) electric heater rod (8) generate heat, so that when hollow (4) synchronous rotation, realize the inside three-dimensional heating of stirring storehouse (3).
  2. 2. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 1, is characterized in that one end of the electric heating rod (8) is connected with a fastening cover (9) and external threads (10) are arranged on the surface of the fastening cover (9), the hollow stirring shaft (4) is provided with internal threads in one end outside the stirring bin (3), and one end of the electric heating rod (8) is connected with the internal threads in the hollow stirring shaft (4) through the external threads (10) after being inserted into the hollow stirring shaft (4) through the fastening cover (9).
  3. 3. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 2, is characterized in that a conductive slip ring (11) is arranged in the fastening cover (9), the conductive slip ring (11) is electrically connected with the electric heating rod (8), and stable power supply of the electric heating rod (8) along with rotation of the hollow stirring shaft (4) is realized through the conductive slip ring (11).
  4. 4. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 1, is characterized in that the bottom of the stirring bin (3) is connected with an electric cabinet (12), the wiring end of the electric heating plate (6) extends into the electric cabinet (12), two sets of gears (13) meshed with each other are arranged in the gear box (5), and the two sets of gears (13) are respectively fixedly sleeved at one ends of the two sets of hollow stirring shafts (4).
  5. 5. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 1, is characterized in that one end of the top of the base (1) is provided with a gear motor (14) and the output shaft of the gear motor (14) is connected with one group of hollow stirring shafts (4) through a coupling (15).
  6. 6. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 1, is characterized in that the hollow stirring shaft (4) is connected with a helical blade (16), and the hollow stirring shaft (4) is also fixedly provided with a plurality of stirring short rods (17) in a threaded manner through bolts.
  7. 7. The mechanical stirring reinforcement device for sewage treatment in alpine regions according to claim 1, wherein a heat conducting pad (18) is arranged in the heating cavity (7).
  8. 8. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 1, is characterized in that an aeration component is further arranged on the base (1), the aeration component comprises an air duct (19), the air duct (19) is fixedly connected to the base (1) through bolts in a screwed mode, a wind wheel (20) is rotatably connected in the air duct (19) through a rotating shaft, and a servo motor (21) is arranged on one side of the air duct (19).
  9. 9. The mechanical stirring strengthening device for sewage treatment in alpine regions according to claim 8, wherein the output shaft of the servo motor (21) is connected with a first driving piece (22), the rotating shaft is connected with a second driving piece (23), and the first driving piece (22) is in transmission connection with the second driving piece (23) through a transmission piece (24).
  10. 10. The mechanical stirring strengthening device for sewage treatment in alpine regions, as set forth in claim 8, characterized in that one end of the air duct (19) is connected with an air guide nozzle (25) and a plurality of flow dividing sheets (26) are arranged in the air guide nozzle (25), one end of the air guide nozzle (25) is communicated with the stirring bin (3) through a pipeline, and a control valve is arranged on the pipeline.

Description

Mechanical stirring strengthening device for sewage treatment in alpine region Technical Field The invention belongs to the technical field of sewage treatment, and particularly relates to a mechanical stirring strengthening device for sewage treatment in alpine regions. Background Along with the continuous promotion of environmental protection industry and the continuous acceleration of urban process in China, sewage treatment facilities are widely distributed in the whole country, wherein a biological treatment method is a main technical scheme in the field of sewage treatment due to the advantages of good treatment effect, controllable cost and the like, in the biological treatment process, the activity of functional microorganisms such as nitrifying bacteria directly determines the removal efficiency of pollutants such as nitrogen, phosphorus and the like in sewage, and the activity of the microorganisms is extremely easy to be influenced by temperature environment, so that the characteristic is particularly prominent in sewage treatment practice in alpine regions; The high-cold region generally has the climate characteristics of high altitude and long and severe cold in winter, the temperature of the winter environment is often lower than-20 ℃, and the extremely low-temperature environment forms a serious challenge for the stable operation of the sewage treatment system. On one hand, the low temperature can lead to the temperature of sewage to be greatly reduced, and the optimal growth temperature of core functional microorganisms such as nitrifying bacteria is usually between 20 and 30 ℃, when the temperature of the sewage is lower than 10 ℃, the metabolic activity of the nitrifying bacteria can be drastically reduced, even the sewage enters a dormant state, the sewage denitrification efficiency is directly reduced to a great extent, the established emission standard is difficult to be reached, on the other hand, the sewage in the sewage treatment equipment is extremely easy to be subjected to local freezing phenomenon under the extremely low temperature condition, key components such as stirring devices and pipelines can be blocked, the living environment of the microorganisms can be damaged, the whole sewage treatment system is in paralysis, and the continuity and the stability of the treatment process are seriously influenced. In order to cope with adverse effects of low temperature in alpine regions on sewage treatment, various solutions have been tried to be adopted in the prior art, an electric heating sleeve or a steam heating layer is arranged outside a stirring bin of a part of treatment system, and the sewage temperature is raised by externally heating a bin body, but the external heating mode has the problems of low heat transfer efficiency and uneven heating, the sewage in the central region of the bin body is difficult to reach ideal temperature, the phenomenon of 'external heat and internal cooling' is formed, the activity of nitrifying bacteria cannot be effectively ensured, the whole temperature rise inside the stirring bin is difficult to realize, the heat diffusion speed is slow, the problem of uneven temperature distribution is further aggravated, and the problems of low treatment efficiency and sewage freezing caused by low temperature cannot be fundamentally solved. Disclosure of Invention The invention aims to provide a mechanical stirring strengthening device for sewage treatment in alpine regions, which aims to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the mechanical stirring strengthening device for sewage treatment in alpine regions comprises: the top of the base is connected with a stirring bin through supporting legs; The stirring assembly is arranged in the stirring bin and used for stirring and mixing sewage so as to strengthen the sewage treatment reaction effect, the stirring assembly comprises a hollow stirring shaft and a gear box, the hollow stirring shaft is provided with two groups of hollow stirring shafts which are all rotationally connected in the stirring bin through bearing seats, the stirring bin is connected with one end of the base and used for driving the two groups of hollow stirring shafts to synchronously rotate along opposite directions, convection disturbance is formed through reverse stirring, and stirring uniformity and strengthening effect are improved; The heating assembly is arranged in the stirring bin and used for preventing nitrifying bacteria activity from suddenly falling due to low temperature in winter at a high altitude, further guaranteeing that ammonia nitrogen removal rate reaches treatment requirements, simultaneously avoiding sewage from freezing, ensuring that sewage treatment processes are stable and efficient, the heating assembly comprises an electric heating plate and an electric heating rod, a heating cavity is formed in the botto