Anaerobic bacterium feeding device

Abstract

The utility model discloses an anaerobic bacterium feeding device, which belongs to the field of sludge recycling and comprises a moving mechanism and a stirring mechanism, the moving mechanism comprises a second motor and a threaded rod, and the second motor and the threaded rod are mounted on a sludge treatment box; the stirring mechanism comprises a driving gear, a first driven gear, a second driven gear, a first rotating shaft and a second rotating shaft, the stirring mechanism and the anaerobic bacteria liquid outlet are driven to move in the sludge treatment box through movement of the connecting piece, multi-point and uniform feeding of anaerobic bacteria in sludge is achieved, the feeding range is expanded, and the feeding efficiency is improved. The condition that anaerobic bacteria are unevenly distributed in the sludge treatment box is effectively improved, meanwhile, through the design that the two stirring shafts rotate bidirectionally and the stirring blades are staggered, the sludge forms a complex flowing mode in the stirring process, the viscous structure of the sludge can be broken more effectively, full contact and mixing of the anaerobic bacteria and the sludge are promoted, and the sludge treatment effect is improved. And the decomposition efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sludge recycling technology field, concretely relates to an anaerobic bacteria feeding device. BACKGROUND

[0002] In the garbage incineration treatment process, garbage and sludge are separated in advance, and the separated sludge is transported to a sludge pool. However, the sludge has the characteristics of high organic matter content and easy putrefaction and odor, and cannot be directly put into use. Adding anaerobic bacteria to the sludge has important significance in many aspects. It can effectively degrade complex organic matter and deeply convert it into harmless small molecular products; significantly reduce the volume of sludge and reduce the burden of subsequent treatment; reduce the generation of odor substances and improve the treatment environment; have the potential to produce energy such as methane and realize energy recovery; adapt to the low-oxygen and anaerobic characteristics of sludge, reduce process requirements and costs; and also promote sludge stabilization and reduce environmental risks, which is beneficial to subsequent disposal and utilization. Adding anaerobic bacteria helps to achieve the goals of sludge reduction, harmlessness and resource utilization, and plays a key role in sludge treatment.

[0003] The existing anaerobic bacteria feeding device is a fixed-point feeding device, and the feeding equipment is fixed and cannot be moved, which limits the uniform distribution of anaerobic bacteria in the sludge treatment device. At the same time, the stirring mechanism of the sludge treatment device adopts a single-shaft and single-direction stirring mode. In view of the characteristics of garbage sludge, such as high viscosity and high oil content, single-direction stirring cannot achieve sufficient mixing of anaerobic bacteria and sludge, resulting in low decomposition efficiency. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an anaerobic bacteria feeding device to solve the problems of poor stirring effect and uneven anaerobic bacteria feeding of the existing feeding device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anaerobic bacteria feeding device, comprising a moving mechanism and a stirring mechanism, the moving mechanism comprising a second motor and a threaded rod, the second motor and the threaded rod being installed on a sludge treatment box;

[0006] The stirring mechanism comprises a driving gear, a first driven gear, a second driven gear, a first rotating shaft and a second rotating shaft, the first driven gear and the second driven gear being installed on the first rotating shaft and the second rotating shaft respectively, the first driven gear and the second driven gear being connected with the driving gear on the upper and lower sides respectively, the second rotating shaft being rotatably sleeved on the first rotating shaft, the bottom of the second rotating shaft being connected with a connecting rod, the bottom of the first rotating shaft being connected with a first stirring rod, stirring blades being arranged on the first stirring rod and the connecting rod;

[0007] The second rotating shaft is rotatably arranged on the connecting piece, the connecting piece is internally hollow, and the top of the connecting piece is connected with an anaerobic bacteria liquid inlet pipe, and the bottom of the connecting piece is provided with a plurality of anaerobic bacteria liquid outlets.

[0008] Further, the connecting rod is in the shape of a "mouth" character.

[0009] Further, the first stirring rod is arranged in the connecting rod, the bottom end of the first stirring rod is rotatably connected with the middle part of the bottom end of the connecting rod, and the connecting rod is symmetrical to the first stirring rod.

[0010] Further, the stirring blades on the first stirring rod and the stirring blades on the connecting rod are arranged in an interlaced manner.

[0011] Further, the stirring mechanism further comprises a first motor, the first motor is installed on one side of the top of the connecting piece, and the driving gear is installed on the output shaft of the first motor.

[0012] Further, the second rotating shaft is provided with an annular protrusion, and the middle part of the connecting piece is provided with a groove matched with the annular protrusion.

[0013] Further, the bottom of the connecting piece is transversely connected with a transverse piece, the middle part of the transverse piece is in the shape of a ring, the transverse piece is sleeved on the second rotating shaft through the middle ring, and the top of the transverse piece is connected with a plurality of reflection cones.

[0014] Further, the number of the reflection cones is the same as that of the anaerobic bacteria liquid outlets, and the reflection cones are arranged one by one directly below the anaerobic bacteria liquid outlets.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The anaerobic bacteria feeding device moves the stirring mechanism and the anaerobic bacteria liquid outlets in the sludge treatment tank through the movement of the connecting piece, realizes multi-point and uniform feeding of the anaerobic bacteria in the sludge, expands the feeding range, effectively improves the uneven distribution of the anaerobic bacteria in the sludge treatment tank, and simultaneously, through the design of the two stirring shafts rotating in two directions and the interlaced stirring blades, the sludge forms a complex flow pattern in the stirring process, which can more effectively break the viscous structure of the sludge, promote the sufficient contact and mixing of the anaerobic bacteria and the sludge, and greatly improve the decomposition efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the anaerobic bacteria feeding device in use;

[0018] Figure 2 It is Figure 1 It is a schematic view of the stirring mechanism structure;

[0019] Figure 3For Figure 2 Schematic view of the connection structure of the second rotating shaft;

[0020] Figure 4 For Figure 2 Schematic view of the connection structure of the second rotating shaft;

[0021] Figure 5 For Figure 2 Cross-sectional view of the connecting piece;

[0022] In the figure: 10, moving mechanism; 110, second motor; 120, threaded rod; 20, stirring mechanism; 210, first motor; 220, driving gear; 230, first driven gear; 240, second driven gear; 250, first rotating shaft; 251, first stirring rod; 252, first stirring blade; 260, second rotating shaft; 2601, annular protrusion; 261, connecting rod; 262, second stirring blade; 30, connecting piece; 301, groove; 302, anaerobic bacteria inlet pipe; 303, anaerobic bacteria outlet; 310, transverse piece; 311, reflecting cone; 40, sludge treatment tank. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with examples.

[0024] The following examples are used to illustrate the utility model, but cannot be used to limit the protection scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements of the method of the utility model under the concept of the utility model all belong to the range required to be protected by the utility model.

[0025] Please refer to Figure 1 The utility model provides an anaerobic bacteria feeding device, including moving mechanism 10, stirring mechanism 20;Stirring mechanism 20 is installed on sludge treatment tank 40 through moving mechanism 10, and sludge treatment tank 40 is arranged in anaerobic or low-oxygen closed environment, facilitating subsequent anaerobic bacteria survival.

[0026] Please refer to Figure 1 And Figure 2 Stirring mechanism 20 includes first motor 210, driving gear 220, first driven gear 230, second driven gear 240, first rotating shaft 250 and second rotating shaft 260;First motor 210 is installed on the top of connecting piece 30 on one side;

[0027] Please refer to Figures 1-4The first driven gear 230 and the second driven gear 240 are respectively installed on the first rotating shaft 250 and the second rotating shaft 260, and are respectively meshed and connected with the upper and lower sides of the driving gear 220; when the driving gear 220 rotates, the first driven gear 230 and the second driven gear 240 rotate in opposite directions;

[0028] Please refer to Figures 1-4 The second rotating shaft 260 is rotatably sleeved on the first rotating shaft 250, and the bottom of the second rotating shaft 260 is connected with a connecting rod 261, the connecting rod 261 is in the shape of a "mouth" character, the bottom of the first rotating shaft 250 is connected with a first stirring rod 251, the first stirring rod 251 is arranged in the connecting rod 261, the bottom end of the first stirring rod 251 is rotatably connected with the middle part of the bottom end of the connecting rod 261, and the connecting rod 261 is located on the left and right sides of the first stirring rod 251, a plurality of first stirring blades 252 and a plurality of second stirring blades 262 are respectively arranged on the first stirring rod 251 and the connecting rod 261, and the first stirring blades 252 and the second stirring blades 262 are arranged in a staggered manner; the first stirring rod 251 and the connecting rod 261 rotate with the first rotating shaft 250 and the second rotating shaft 260 respectively, so as to agitate the sludge in the sludge treatment tank 40, and provide a contact area of anaerobic bacteria and sludge.

[0029] Please refer to Figure 2 、 Figure 4 and Figure 5 The second rotating shaft 260 is rotatably arranged on the connecting piece 30, the second rotating shaft 260 is provided with an annular protrusion 2601, and the middle part of the connecting piece 30 is provided with a groove 301 matched with the annular protrusion 2601, so that the annular protrusion 2601 can limit the height position of the second rotating shaft 260, and does not affect the rotation of the second rotating shaft 260.

[0030] Please refer to Figure 1 The moving mechanism 10 comprises two second motors 110 and two threaded rods 120, the two second motors 110 and the two threaded rods 120 are uniformly arranged on the two sides of the sludge treatment tank 40, one end of the threaded rod 120 is arranged on the output shaft of the second motor 110, and the threaded sleeve of the bottom of the connecting piece 30 is arranged on the two threaded rods 120; by starting the two second motors 110, the two second motors 110 drive the two threaded rods 120 to rotate in the same direction, and the connecting piece 30 is driven to translate by the two threaded rods 120.

[0031] Please refer to Figure 1 、 Figure 2 and Figure 5The connector 30 is hollow inside, and an anaerobic bacteria inlet pipe 302 is connected to the top of the connector 30. Several anaerobic bacteria outlets 303 are opened at the bottom of the connector 30. A horizontal member 310 is connected to the bottom of the connector 30. The middle part of the horizontal member 310 is circular and is fitted onto the second rotating shaft 260 through the central circular ring. Several reflective cones 311 are connected to the top of the horizontal member 310. The number of reflective cones 311 is the same as the number of anaerobic bacteria outlets 303, and the reflective cones 311 are arranged one-to-one directly below the anaerobic bacteria outlets 303. After the anaerobic bacteria outlets 303 diffuse through the reflective cones 311, the anaerobic bacteria distribution area can be increased. At the same time, the anaerobic bacteria outlets 303 will move with the connector 30, further increasing the anaerobic bacteria distribution area.

[0032] The working principle and usage process of this utility model: The device is installed on the sludge treatment tank 40, as follows: Figure 1 As shown; when motor 210 is started, motor 210 drives the drive gear 220 to rotate. When the drive gear 220 rotates, it drives the driven gear 230 and the driven gear 240 to rotate in the opposite direction. This causes the first rotating shaft 250 and the second rotating shaft 250 to rotate with the driven gear 230 and the driven gear 240, respectively. This causes the first stirring rod 251 and the connecting rod 261 to rotate with the first rotating shaft 250 and the second rotating shaft 260, respectively, to stir the sludge in the sludge treatment tank 40 and provide contact area between the anaerobic bacteria and the sludge.

[0033] During the mixing process, anaerobic bacteria are introduced through the anaerobic bacteria inlet pipe 302 and added to the sludge treatment tank 40 through the anaerobic bacteria outlet 303.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An anaerobic bacteria delivery device comprising a moving mechanism (10), a stirring mechanism (20), characterized in that: The moving mechanism (10) comprises a second motor (110) and a threaded rod (120), and the second motor (110) and the threaded rod (120) are installed on the sludge treatment box (40); The stirring mechanism (20) comprises a driving gear (220), a first driven gear (230), a second driven gear (240), a first rotating shaft (250) and a second rotating shaft (260), the first driven gear (230) and the second driven gear (240) are installed on the first rotating shaft (250) and the second rotating shaft (260) respectively, the first driven gear (230) and the second driven gear (240) are in meshing connection with the driving gear (220) respectively, the second rotating shaft (260) is rotatably sleeved on the first rotating shaft (250), the bottom of the second rotating shaft (260) is connected with a connecting rod (261), the bottom of the first rotating shaft (250) is connected with a first stirring rod (251), and the first stirring rod (251) and the connecting rod (261) are both provided with stirring blades. The second rotating shaft (260) is rotatably arranged on the connecting piece (30), the connecting piece (30) is installed on the moving mechanism (10), the connecting piece (30) is internally hollow, and the top of the connecting piece (30) is connected with an anaerobic bacteria liquid inlet pipe (302); and the bottom of the connecting piece (30) is provided with a plurality of anaerobic bacteria liquid outlets (303).

2. An apparatus for dispensing anaerobic bacteria according to claim 1, wherein: The connecting rod (261) is in the shape of a "mouth" character.

3. An apparatus for dispensing anaerobic bacteria as claimed in claim 2, wherein: The first stirring rod (251) is arranged in the connecting rod (261), the bottom end of the first stirring rod (251) is rotatably connected with the middle part of the bottom end of the connecting rod (261), and the connecting rod (261) is located in the left-right symmetry of the first stirring rod (251).

4. The anaerobic bacteria delivery device of claim 1, wherein: The stirring blades on the first stirring rod (251) and the stirring blades on the connecting rod (261) are arranged in an interlaced manner.

5. The anaerobic bacteria delivery device of claim 1, wherein: The stirring mechanism (20) further comprises a first motor (210), the first motor (210) is installed on one side of the top of the connecting piece (30), and the driving gear (220) is installed on the output shaft of the first motor (210).

6. The anaerobic bacteria delivery device of claim 1, wherein: An annular protrusion (2601) is arranged on the second rotating shaft (260), and a groove (301) matched with the annular protrusion (2601) is formed in the middle part of the connecting piece (30).

7. The anaerobic bacteria delivery device of claim 1, wherein: The bottom of the connecting piece (30) is transversely connected with a transverse piece (310), the middle part of the transverse piece (310) is in the shape of a circular ring, the transverse piece (310) is sleeved on the second rotating shaft (260) through the middle part circular ring, and the top of the transverse piece (310) is connected with a plurality of reflection cones (311).

8. An apparatus for dispensing anaerobic bacteria as defined in claim 7, wherein: The number of the reflection cones (311) is the same as that of the anaerobic bacteria liquid outlets (303), and the reflection cones (311) are arranged one by one directly below the anaerobic bacteria liquid outlets (303).

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