CN-224227034-U - Kitchen garbage fermentation device for preparing carbon for sewage treatment

CN224227034UCN 224227034 UCN224227034 UCN 224227034UCN-224227034-U

Abstract

The utility model discloses a kitchen waste fermentation device for preparing a carbon source for sewage treatment, which comprises a fermentation tank, wherein a fermentation cavity is arranged in the fermentation tank, a stirring and discharging device is arranged in the fermentation cavity, the stirring and discharging device adopts a cylindrical stirring shaft, and a discharging shaft with spiral blades is arranged in the shaft. When the fermentation tank provided by the utility model works, the first driving motor drives the stirring cylinder to slowly rotate, so that kitchen waste in the tank is stirred, the kitchen waste is fully mixed, the fermentation efficiency is improved, when the material is required to be discharged, the second driving motor rotates to discharge the material from the inside of the stirring cylinder, and organic acid at the position is separated after the material is discharged so as to provide a carbon source for sewage treatment.

Inventors

LI FENGDAN
LI JUN
WANG XUEYUAN
MAO SHUYANG
ZHU YING
ZHAO HAITIAN
SONG ZIHAO
FANG KE

Assignees

金华市水处理有限公司

Dates

Publication Date: 20260512
Application Date: 20250430

Claims (5)

1. Preparation sewage treatment is with kitchen garbage fermenting installation for carbon source, including the fermentation cylinder, the fermentation cylinder is inside to have fermentation chamber and fermentation intracavity is equipped with stirring discharging device, its characterized in that, stirring discharging device includes: The stirring cylinder is of a cylindrical structure, penetrates through two sides of the fermentation tank and is in rotary sealing fit with the fermentation tank, a feeding part and a mounting part are respectively arranged on the left side and the right side of a part of the stirring cylinder, which is positioned in the fermentation tank, a feeding through hole is formed in the side wall of the feeding part, an annular sealing plate is arranged at the end part of the feeding part, at least two connecting columns distributed in a circular array are arranged on the inner wall surface of the mounting part, and an annular seat is arranged at the inner end of each connecting column; A stirring blade provided on an outer wall of the stirring cylinder; The discharging shaft is arranged in the stirring cylinder, one end of the discharging shaft is in rotary sealing fit with the annular sealing plate of the stirring cylinder through a bearing with a sealing ring, the other end of the discharging shaft is in rotary fit with the annular seat through the bearing, and a valve is arranged at the port of the discharging shaft; The spiral blade is arranged on the discharging shaft and used for conveying materials entering from the feeding through hole from the inside of the stirring cylinder to the outside of the fermentation tank; The first driving motor is arranged at one side of the fermentation tank and is in transmission connection with one end of the stirring cylinder; And the second driving motor is arranged on the other side of the fermentation tank and is in transmission connection with one end of the discharging shaft.
2. The kitchen garbage fermentation device for preparing a carbon source for sewage treatment according to claim 1, further comprising two frequency converters connected with the controller, wherein the two frequency converters are connected with the two driving motors and control the rotation speed and the rotation direction through the controller.
3. The kitchen garbage fermentation device for preparing the carbon source for sewage treatment according to claim 1, wherein the fermentation tank is of a double-layer structure or a spacer is arranged at the side wall of the fermentation tank, a heat exchange cavity is formed between the double-layer structure or between the spacer and the fermentation tank, and the heat exchange cavity is connected with a water inlet pipe and a water outlet pipe.
4. The kitchen garbage fermentation device for preparing the carbon source for sewage treatment according to claim 1, wherein the stirring cylinder and the discharging shaft are respectively provided with a gear ring, the output shafts of the first driving motor and the second driving motor are respectively provided with gears, and the two groups of gears are respectively meshed with the gear rings to drive the rotating cylinder and the discharging shaft to rotate.
5. The kitchen garbage fermentation device for preparing the carbon source for sewage treatment according to claim 1, wherein a horizontal platform is arranged at the top of the fermentation tank, an exhaust port and an observation port are arranged at the horizontal platform, a fence with a notch is arranged at the periphery of the horizontal platform, and a cat ladder is arranged at the notch.

Description

Kitchen garbage fermentation device for preparing carbon for sewage treatment Technical Field The utility model relates to a horizontal fermentation device, in particular to a kitchen waste fermentation device for preparing a carbon source for sewage treatment. Background The carbon source is prepared by fermenting kitchen waste, and is carbon-containing organic matters which are easily utilized by microorganisms in a sewage (waste) water chemical treatment system and are converted from organic matters in the kitchen waste by adopting a microorganism strengthening treatment technology or a fermentation directional hydrolysis acid production technology. When the fermentation technology is adopted, a fermentation device is needed, and a stirring part in the fermentation device fully mixes nutrient substances, microbial cells and the like in kitchen waste, so that microorganisms can be ensured to be contacted with enough nutrient substances to grow and metabolize, and the patent with the application number 201511034402.4 discloses a horizontal liquid fermentation tank which discharges materials by arranging a stirring shaft with blades and a shaft with spiral blades. In the above-mentioned patent, set up the (mixing) shaft at jar body middle part when setting up, then set up another axle at the lateral part in order to avoid appearing interfering, this can lead to stirring vane and jar body lateral wall to leave great clearance, leads to the stirring to have the blind area, influences the efficiency of fermentation. Disclosure of utility model Based on the defects of dead areas in stirring and affecting fermentation efficiency in the prior art, the utility model provides a kitchen waste fermentation device for preparing a carbon source for sewage treatment. The technical scheme adopted for solving the technical problems is as follows: Preparation sewage treatment is with kitchen garbage fermenting installation for carbon source, including the fermentation cylinder, the fermentation cylinder is inside to have fermentation chamber and fermentation intracavity is equipped with stirring discharging device, and stirring discharging device includes: The stirring cylinder is of a cylindrical structure, penetrates through two sides of the fermentation tank and is in rotary sealing fit with the fermentation tank, a feeding part and a mounting part are respectively arranged on the left side and the right side of a part of the stirring cylinder, which is positioned in the fermentation tank, a feeding through hole is formed in the side wall of the feeding part, an annular sealing plate is arranged at the end part of the feeding part, at least two connecting columns distributed in a circular array are arranged on the inner wall surface of the mounting part, and an annular seat is arranged at the inner end of each connecting column; A stirring blade provided on an outer wall of the stirring cylinder; The discharging shaft is arranged in the stirring cylinder, one end of the discharging shaft is in rotary sealing fit with the annular sealing plate of the stirring cylinder through a bearing with a sealing ring, the other end of the discharging shaft is in rotary fit with the annular seat through the bearing, and a valve is arranged at the port of the discharging shaft; The spiral blade is arranged on the discharging shaft and used for conveying materials entering from the feeding through hole from the inside of the stirring cylinder to the outside of the fermentation tank; The first driving motor is arranged at one side of the fermentation tank and is in transmission connection with one end of the stirring cylinder; And the second driving motor is arranged on the other side of the fermentation tank and is in transmission connection with one end of the discharging shaft. Preferably, the motor driving device further comprises two frequency converters connected with the controller, wherein the two frequency converters are connected with the two driving motors and are used for controlling and adjusting the rotating speed and the steering through the controller. Preferably, the fermentation tank is of a double-layer structure or a spacer bush is arranged on the side wall of the fermentation tank, a heat exchange cavity is formed between the double-layer structure or between the spacer bush and the fermentation tank, and the heat exchange cavity is connected with a water inlet pipe and a water outlet pipe. Preferably, the stirring cylinder and the discharging shaft are respectively provided with a gear ring, the output shafts of the first driving motor and the second driving motor are respectively provided with gears, and the two groups of gears are respectively meshed with the gear rings to drive the rotary cylinder and the discharging shaft to rotate. Preferably, the top of the fermentation tank is provided with a horizontal platform, the horizontal platform is provided with an exhaust port and an observation port, the periphery