CN213652320U

CN213652320U - Stirring and discharging device of sludge aerobic fermentation composting device

Info

Publication number: CN213652320U
Application number: CN202022074404.9U
Authority: CN
Inventors: 胡森林
Original assignee: Hubei Jiatelin Bio Environmental Protection Technology Co ltd
Current assignee: Hubei Jiatelin Bio Environmental Protection Technology Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-07-09
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a stirring and discharging device of a sludge aerobic fermentation composting device, which belongs to the technical field of mechanical equipment and solves the problem of different sludge aerobic fermentation degrees; the stirring and discharging device of the sludge aerobic fermentation composting device comprises a servo motor arranged above a sludge barrel, wherein an output shaft of the servo motor is connected with a rotating shaft through a coupler, and the rotating shaft is provided with a helical blade; stirring shafts are symmetrically arranged on two sides of the rotating shaft and are in chain transmission connection with the rotating shaft, the stirring shafts are hollow, a water sprayer is arranged at the lower ends of the stirring shafts, and an insertion pipe connected with a water pump is arranged above the stirring shafts; the upper part of the sludge barrel is provided with a bearing layer, and the rotating shaft and the stirring shaft respectively penetrate through the bearing layer and extend to the upper part of the bearing layer, and are rotatably connected with the bearing layer. The utility model discloses the realization is mixed the stirring of the different degree of depth mud, has improved the efficiency of mud aerobic fermentation.

Description

Stirring and discharging device of sludge aerobic fermentation composting device

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a stirring and discharging device of a sludge aerobic fermentation composting device.

Background

The sludge is solid sediment produced in the process of water and sewage treatment, the property of various types of sludge is changed greatly, the classification is very necessary, the treatment and the disposal are different, and the sludge is fermented and utilized more and more with the continuous improvement of the technological level. In the process of fermenting the sludge, the oxygen content of each layer of the sludge pile from top to bottom is gradually reduced, and meanwhile, the sludge on the lower layer is easy to compact, oxygen is difficult to enter, and the aerobic fermentation of the sludge is not facilitated. However, the existing stirring device can not well solve the problems, and the cross-layer stirring of the sludge is difficult to realize, so that the aerobic fermentation degrees of all layers of the sludge are inconsistent, and the whole fermentation efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stirring discharge apparatus of mud aerobic fermentation compost device utilizes helical blade, promotes bottom mud to the top layer.

The utility model adopts the technical scheme as follows:

a stirring and discharging device of a sludge aerobic fermentation composting device comprises a servo motor arranged above a sludge barrel, wherein an output shaft of the servo motor is connected with a rotating shaft through a coupler, and the rotating shaft is provided with a helical blade; stirring shafts are symmetrically arranged on two sides of the rotating shaft and are in chain transmission connection with the rotating shaft, the stirring shafts are hollow, a water sprayer is arranged at the lower ends of the stirring shafts, and an insertion pipe connected with a water pump is arranged above the stirring shafts; the sludge barrel is characterized in that a bearing layer is arranged on the upper portion of the sludge barrel, and the rotating shaft and the stirring shaft penetrate through the bearing layer respectively and extend to the position above the bearing layer and are rotatably connected with the bearing layer.

Furthermore, a plurality of groups of stirring paddles are arranged on the stirring shaft, the stirring paddles are symmetrically arranged on two sides of the stirring shaft, and a plurality of groups of paddles are arranged on the stirring paddles and are arranged at equal intervals along the axial direction.

Furthermore, a first chain wheel is arranged on the upper portion of the stirring shaft, a second chain wheel is arranged on the upper portion of the rotating shaft, and a transmission chain is sleeved outside the second chain wheel and the first chain wheel.

Furthermore, the water sprayer is communicated with the stirring shaft, and the surface of the water sprayer is provided with a plurality of water spraying holes.

Further, the insertion pipe penetrates through the sludge barrel and is connected with the stirring shaft through a sealing bearing.

Furthermore, a first shaft shoulder block is arranged at the upper part of the rotating shaft, and a first thrust bearing is arranged between the first shaft shoulder block and the bearing layer; and a second shoulder block is arranged at the upper part of the stirring shaft, and second thrust bearings are respectively arranged between the second shoulder block and the bearing layer.

Further, the sludge bucket is being close to bearing layer below position is equipped with the input pipeline, there is the three-way valve bottom of sludge bucket through the pipe connection, the three-way valve both sides are equipped with output pipeline and sewage pipes respectively.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

(1) the utility model discloses a stirring discharge apparatus of mud aerobic fermentation composting device can carry the upper strata with lower floor's mud through helical blade, realizes mixing the stirring of the different degree of depth mud, guarantees the even of each partial oxygen content of mud, has improved the efficiency of mud aerobic fermentation.

(2) The utility model discloses a stirring discharge apparatus of mud aerobic fermentation compost device moves down the bearing layer, shortens the one-way length of puddler, reduces the amount of deflection of puddler among the stirring process, has weakened the equipment operation vibration, has improved the life of equipment.

(3) The utility model discloses a stirring discharge apparatus of mud aerobic fermentation composting device through hollow (mixing) shaft, toward the interior water spray of mud bucket, realizes the washing to the mud bucket.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural view of the whole of the present invention;

FIG. 2 is a schematic structural view of a stirring paddle according to the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 1 at A;

FIG. 4 is a partially enlarged schematic view of FIG. 1 at B;

FIG. 5 is an enlarged partial schematic view of FIG. 1 at C;

FIG. 6 is a partially enlarged schematic view of FIG. 1 at D;

in the figure, 1-sludge barrel, 2-servo motor, 3-rotating shaft, 4-helical blade, 5-stirring shaft, 6-stirring paddle, 7-paddle, 8-first chain wheel, 9-second chain wheel, 10-driving chain, 11-bearing layer, 12-first shaft shoulder block, 13-first thrust bearing, 14-second shaft shoulder block, 15-second thrust bearing, 16-input pipeline, 17-output pipeline, 18-water sprayer, 19-insertion pipe, 20-water spray hole, 21-three-way valve and 22-sewage discharge pipeline.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Referring to fig. 1-6, the stirring and discharging device of the sludge aerobic fermentation composting device of the utility model comprises a servo motor 2 installed above a sludge barrel 1, wherein the servo motor 2 is fixedly connected with the shell of the sludge barrel 1. The output shaft of the servo motor 2 is connected with a rotating shaft 3 through a coupler, the rotating shaft 3 is provided with a helical blade 4, and the helical blade 4 can be driven by the positive and negative rotation of the rotating shaft 3 to drive the sludge to move upwards or downwards. Stirring shafts 5 are symmetrically arranged on two sides of the rotating shaft 3, and the stirring shafts 5 are in chain transmission connection with the servo motor 2. (mixing) shaft 5 hollow design, the lower extreme of (mixing) shaft 5 is equipped with sprinkler 18, and the top of (mixing) shaft 5 is equipped with the insert tube 19 of being connected with the water pump, and insert tube 19 and sludge barrel 1 fixed connection just communicate with (mixing) shaft 5, can inwards pour water, make water spout, clean sludge barrel 1 from sprinkler 18. 1 upper portion of mud bucket is equipped with bearing layer 11, axis of rotation 3 and (mixing) shaft 5 pass bearing layer 11 respectively and extend to bearing layer 11 top, and rotate with bearing layer 11 and be connected, bearing layer 11 falls into two parts in workspace and the transmission area with mud bucket 1, the workspace is to the high dirty of mud stirring height, the work in transmission area can not be influenced to the rugged environment, the bearing layer reduces simultaneously, can shorten the one-way length of puddler, reduce the amount of deflection of puddler among the stirring process, the equipment operation vibration has been weakened, the service life of equipment has been improved.

Preferably, a plurality of groups of stirring paddles 6 are arranged on the stirring shaft 5, the stirring paddles 6 are symmetrically arranged on two sides of the stirring shaft 5, a plurality of groups of blades 7 are arranged on the stirring paddles 6, and the blades 7 are equidistantly arranged along the axial direction. The design of the stirring paddle 6 and the paddle 7 directly increases the contact area between the stirring equipment and the sludge, increases the stirring strength and can obtain better stirring effect.

Preferably, (mixing) shaft 5 top is equipped with first sprocket 8, and the middle part of 2 output shafts of servo motor is equipped with second sprocket 9, and second sprocket 9 and the outside cover of first sprocket 8 are equipped with driving chain 10, utilize driving chain 10 as the power transmission mode between (mixing) shaft 5 and the 2 output shafts of servo motor, and the interaxial span is unrestricted, simple structure, and shock resistance is strong, can adapt to adverse circumstances.

Preferably, the water sprayer 18 is communicated with the stirring shaft 5, the surface of the water sprayer 18 is provided with a plurality of water spraying holes 20, the water sprayer 18 is screwed with the stirring shaft 5, the surface of the water sprayer 18 is provided with the water spraying holes 20, and pressurized water is sprayed out from the water spraying holes 20 to flush the sludge barrel 1.

Preferably, the insertion pipe 19 passes through the sludge barrel 1 and is connected with the stirring shaft 5 through a sealed bearing. The insertion tube 19 is connected to the stirring shaft 5 by a seal bearing, and a water pump is connected to inject water into the hollow stirring shaft 5 through the insertion tube 19.

Preferably, a first shaft shoulder block 12 is arranged at the upper part of the rotating shaft 3, and a first thrust bearing 13 is arranged between the first shaft shoulder block 12 and the bearing layer 11; a second shoulder block 14 is arranged at the upper part of the stirring shaft 5, and second thrust bearings 15 are respectively arranged between the second shoulder block 14 and the bearing layer 11. The shaft shoulder block is used as a main bearing structure to transmit the dead weight of the rotating shaft 3 and the stirring shaft 5 to the bearing layer 11, and the thrust bearings all adopt thrust roller bearings and can bear axial pressure.

Preferably, the sludge barrel 1 is provided with an input pipeline 16 near the lower part of the bearing layer 11, the lowest part of the bottom of the sludge barrel 1 is connected with a three-way valve 21 through a pipeline, and the two sides of the three-way valve 21 are respectively provided with an output pipeline 17 and a sewage discharge pipeline 22. The input pipeline 16 inputs the sludge into the sludge barrel 1, and the fermentation and the stirring are completed. The sludge is output from the output pipe 17 by adjusting the three-way valve 21 to the output pipe 17. Meanwhile, after the cleaning is completed, the three-way valve 21 is adjusted to the drain pipe 22 to discharge the washing sewage.

The utility model discloses a theory of operation is: after the sludge is fed into the sludge tank 1 through the feeding pipe 16, fermentation is performed for a certain period of time. The servo motor 2 is started, the servo motor 2 drives the rotating shaft 3 and the stirring shaft 5 to rotate, the helical blades 4 on the rotating shaft 3 drive the sludge to move from the lower layer to the upper layer, and the blades 7 on the stirring shaft 5 stir the sludge to promote sludge fermentation. Meanwhile, the stirring speed can be changed according to the fermentation conditions of the sludge in different stages, and the oxygen content is adjusted. After fermentation is completed, the servo motor 2 can be reversely rotated, sludge is conveyed downwards, the valve is opened, the three-way valve 21 is adjusted to the output pipeline 17, negative pressure is provided for the output pipeline 17, and discharging of the sludge is promoted. After the sludge is discharged, the three-way valve 21 is adjusted to the sewage discharge pipeline 22, water is injected into the insertion pipe 19 through the water pump, pressurized water flows through the stirring shaft 5 and is sprayed out from the water sprayer 18, the wall of the sludge barrel 1 is cleaned, washing sewage is discharged through the sewage discharge pipeline 22, and the valve is closed to wait for the next use.

The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A stirring and discharging device of a sludge aerobic fermentation composting device is characterized by comprising a servo motor (2) arranged above a sludge barrel (1), wherein an output shaft of the servo motor (2) is connected with a rotating shaft (3) through a coupler, and the rotating shaft (3) is provided with a helical blade (4); stirring shafts (5) are symmetrically arranged on two sides of the rotating shaft (3), the stirring shafts (5) are in chain transmission connection with the rotating shaft (3), the stirring shafts (5) are hollow, a water sprayer (18) is arranged at the lower end of each stirring shaft (5), and an inserting pipe (19) connected with a water pump is arranged above each stirring shaft (5); sludge bucket (1) upper portion is equipped with bearing layer (11), axis of rotation (3) and (mixing) shaft (5) pass respectively bearing layer (11) and extend to bearing layer (11) top, and with bearing layer (11) rotate and are connected.

2. The stirring and discharging device of a sludge aerobic fermentation composting device according to claim 1 is characterized in that a plurality of groups of stirring paddles (6) are arranged on the stirring shaft (5), the stirring paddles (6) are symmetrically arranged on two sides of the stirring shaft (5), a plurality of groups of blades (7) are arranged on the stirring paddles (6), and the blades (7) are equidistantly arranged along the axial direction.

3. The stirring and discharging device of the sludge aerobic fermentation composting device as claimed in claim 1, wherein the stirring shaft (5) is provided with a first chain wheel (8) at the upper part, the rotating shaft (3) is provided with a second chain wheel (9) at the upper part, and the second chain wheel (9) and the first chain wheel (8) are externally sleeved with a driving chain (10).

4. The stirring and discharging device of a sludge aerobic fermentation composting device according to claim 1 wherein the water sprayer (18) is connected with the stirring shaft (5), and the surface of the water sprayer (18) is provided with a plurality of water spray holes (20).

5. The stirring and discharging device of a sludge aerobic fermented composting device as claimed in claim 4, wherein the inserting pipe (19) passes through the sludge barrel (1) and is connected with the stirring shaft (5) through a sealed bearing.

6. The stirring and discharging device of a sludge aerobic fermentation composting device as claimed in claim 1, characterized in that a first shoulder block (12) is arranged on the upper part of the rotating shaft (3), and a first thrust bearing (13) is arranged between the first shoulder block (12) and the bearing layer (11); and a second shoulder block (14) is arranged at the upper part of the stirring shaft (5), and second thrust bearings (15) are respectively arranged between the second shoulder block (14) and the bearing layer (11).

7. The stirring and discharging device of a sludge aerobic fermentation composting device as claimed in claim 1, wherein the sludge barrel (1) is provided with an input pipeline (16) near the lower position of the bearing layer (11), the lowest bottom of the sludge barrel (1) is connected with a three-way valve (21) through a pipeline, and both sides of the three-way valve (21) are respectively provided with an output pipeline (17) and a sewage discharge pipeline (22).