CN211302717U

CN211302717U - Sludge double-shaft stirring device

Info

Publication number: CN211302717U
Application number: CN201921521311.7U
Authority: CN
Inventors: 殷瞻远; 殷嘉伟
Original assignee: Jiangsu Dadao Biological Environment Technology Co ltd
Current assignee: Jiangsu Dadao Biological Environment Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-08-21
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a mud biax agitating unit belongs to biax stirring technical field. The sludge double-shaft stirring device comprises a double-strand arc box body, a rotary hollow shaft and a plurality of groups of stirring mechanisms; the two rotary hollow shafts are respectively positioned at the central axis of the double-strand arc box body, sludge slides to the bottom of the arc along the double-strand arc under the action of gravity and is stirred by the stirring mechanism, so that the stirring efficiency can be greatly improved, and the sludge is prevented from being accumulated on two sides of the box body; the stirring mechanisms are welded on the rotary hollow shaft in a staggered manner; the middle of the rotary hollow shaft is of a hollow structure, and the stirring mechanism can be heated by introducing high-temperature steam into the hollow shaft, so that sludge is effectively prevented from being bonded during stirring; a stirring rod of the stirring mechanism penetrates through the rotary hollow shaft, and a plurality of reinforcing rib plates are welded between the stirring rod and the rotary hollow shaft, so that the rigidity and the strength of the stirring mechanism are greatly improved, and the maintenance cost is saved.

Description

Sludge double-shaft stirring device

Technical Field

The utility model relates to a biax stirring technical field, in particular to mud biax agitating unit.

Background

The organic sludge refers to solid substances generated in the municipal sewage treatment process, and mainly comprises secondary excess sludge and primary sludge. After mechanical dehydration, the water content is generally about 80%. And part of organic sludge of the sewage plant is dewatered by a high-pressure plate frame, and the water content can reach 60%. The solid substances in the organic sludge mainly comprise inorganic substances and organic substances. The inorganic matter mainly refers to sand and stone substances, the organic matter is sugar, protein and fatty substances carried in sewage, and the organic matter and thalli per se secreted by partial bacteria in the metabolic process.

At present, the latest sludge treatment technique on the market finally satisfies emission standard through the water content in the bacterial fermentation reduction mud, nevertheless in fermentation process, in order to accelerate fermentation efficiency, can add one set of agitating unit in the fermentation storehouse usually, stirs mud through agitating unit, makes bacterial and mud fully fuse to improve fermentation efficiency. Current agitating unit is mostly the rotatory stirring of single pole, and puddler intensity is easy fracture inadequately, and agitating unit can't heat, and mud bonds easily on the stirring leaf, influences the stirring effect of stirring leaf to agitating unit can only stir the middle part, and fermentation storehouse both sides mud appears piling up easily, influences the fermentation effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mud biax agitating unit to solve current agitating unit intensity poor, unable heating, and mud is easy at the accumulational problem in fermentation storehouse both sides.

In order to solve the technical problem, the utility model provides a sludge double-shaft stirring device, which comprises a double-strand arc box body, a rotary hollow shaft and a plurality of groups of stirring mechanisms;

two rotary hollow shafts are arranged and are respectively positioned at the central axis of the double-strand arc box body;

the rotating hollow shaft is rotationally connected with the double-strand arc box body through an input shaft, and the input shaft can drive the rotating hollow shaft to rotate under the action of an external motor;

the stirring mechanisms are welded on the rotary hollow shaft in a staggered mode.

Optionally, the double-strand arc box body mainly comprises a double-strand arc bottom bin, a bottom plate and a fixing block; the double-strand arc bottom bin can enable sludge in the double-strand arc box body to be stirred more fully.

Optionally, the both ends of fixed block respectively with the top in double-strand circular arc bottom storehouse with bottom plate fixed connection, unsettled design can effectively reduce the vibrations that double-strand circular arc box produced in the function.

Optionally, a plurality of through holes are staggered on the rotary hollow shaft and used for penetrating through the stirring mechanism; the two ends of the rotating hollow shaft are provided with first positioning holes respectively used for connecting the input shaft and the output shaft; and a cavity is arranged in the middle of the rotary hollow shaft and is used for introducing steam for heating.

Optionally, the stirring mechanism includes a stirring rod and a stirring blade, and the stirring blade is welded to the top end of the stirring rod.

Optionally, the top end of the stirring blade is provided with a circular arc-shaped scraping blade, so that sludge can be stirred more fully in the double-strand circular arc box body; the stirring leaf tip is equipped with the breach, the puddler inserts the breach to weld along the interface, can increase the bearing strength of stirring leaf.

Optionally, a plurality of reinforcing rib plates are welded between the stirring rod and the rotating hollow shaft, each reinforcing rib plate is a trapezoidal plate, a rib plate arc is arranged at the tail end of each reinforcing rib plate, and each rib plate arc is attached to the outer wall of the rotating hollow shaft and is used for welding the joint.

Optionally, a second positioning hole is formed in the input shaft, and the input shaft is connected with the rotary hollow shaft through a pin; the top end of the input shaft is provided with a key slot, and the input shaft is connected with an external motor through the key slot.

The utility model provides a sludge double-shaft stirring device, which comprises a double-strand arc box body, a rotary hollow shaft and a plurality of groups of stirring mechanisms; the two rotary hollow shafts are respectively positioned at the central axis of the double-strand arc box body, sludge slides to the bottom of the arc along the double-strand arc under the action of gravity and is stirred by the stirring mechanism, so that the stirring efficiency can be greatly improved, and the sludge is prevented from being accumulated on two sides of the box body; the rotating hollow shaft is rotationally connected with the double-strand arc box body through an input shaft, and the input shaft can drive the rotating hollow shaft to rotate under the action of an external motor; the stirring mechanisms are welded on the rotary hollow shaft in a staggered manner; the middle of the rotary hollow shaft is of a hollow structure, and the stirring mechanism can be heated by introducing high-temperature steam into the hollow shaft, so that sludge is effectively prevented from being bonded during stirring; a stirring rod of the stirring mechanism penetrates through the rotary hollow shaft, and a plurality of reinforcing rib plates are welded between the stirring rod and the rotary hollow shaft, so that the rigidity and the strength of the stirring mechanism are greatly improved, and the maintenance cost is saved.

Drawings

FIG. 1 is a schematic view of the overall structure of a sludge double-shaft stirring device provided by the present invention;

FIG. 2 is a schematic view of a specific structure of an internal device of the sludge double-shaft stirring device provided by the present invention;

FIG. 3 is a schematic structural view of a rotating hollow shaft of a sludge double-shaft stirring device provided by the present invention;

FIG. 4 is a schematic structural view of a stirring structure of the sludge double-shaft stirring device provided by the present invention;

FIG. 5 is a schematic structural view of a stirring blade of the sludge double-shaft stirring device provided by the present invention;

FIG. 6 is a schematic structural view of a reinforcing plate of the sludge double-shaft stirring device provided by the utility model;

fig. 7 is a schematic structural diagram of an input shaft of a sludge double-shaft stirring device provided by the utility model.

Detailed Description

The following describes the sludge double-shaft stirring device provided by the present invention in further detail with reference to the accompanying drawings and specific examples. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

The utility model provides a sludge double-shaft stirring device, the structure of which is shown in figure 1, and the sludge double-shaft stirring device comprises a double-strand arc box body 1, a rotary hollow shaft 2 and a plurality of groups of stirring mechanisms 4; two rotary hollow shafts 2 are arranged and are respectively positioned at the central axis of the double-strand arc box body 1; the rotating hollow shaft 2 is rotationally connected with the double-strand arc box body 1 through an input shaft 3, and the input shaft 3 can drive the rotating hollow shaft 2 to rotate under the action of an external motor; the stirring mechanisms 4 are welded on the rotary hollow shaft 2 in a staggered manner; the double-strand arc box body 1 mainly comprises a double-strand arc bottom bin 11, a bottom plate 12 and a fixed block 13; two-strand circular arc bottom bin 11 can make mud in the two-strand circular arc box 1 collects to the bottom of the storehouse under the effect of gravity, then again by rabbling mechanism 4 stirs, and mud is stirred more abundant like this, and can not appear in the middle of stir abundant both sides and appear accumulational problem. Further, the both ends of fixed block 13 respectively with the top of bifilar circular arc bottom storehouse 11 with bottom plate 12 fixed connection, unsettled design can effectively reduce the vibrations that bifilar circular arc box 1 produced in the function, the life of extension equipment.

Specifically, as shown in fig. 2 and 3, a plurality of pairs of through holes 21 are staggered on the hollow rotating shaft 2 and used for passing through the stirring mechanism 4; the two ends of the rotary hollow shaft 2 are respectively provided with a first positioning hole 22 which is respectively used for connecting the input shaft 3 and the output shaft 6; and a cavity 23 is formed in the middle of the rotary hollow shaft 2 and used for introducing steam to heat the stirring mechanism 4 and prevent sludge from being bonded on the stirring mechanism 4.

Further, as shown in fig. 4 and 5, the stirring mechanism 4 includes a stirring rod 41 and a stirring blade 42, and the stirring blade 42 is welded to the top end of the stirring rod 41; the top end of the stirring blade 42 is provided with an arc-shaped scraping blade 421, so that sludge can be stirred more fully along the double-strand arc bottom bin 11 in the double-strand arc box body 1; stirring leaf 42 end is equipped with breach 422, puddler 41 inserts breach 422 to weld along the interface, can increase stirring leaf 42's bearing strength increases the single the handling capacity of mud in the double-strand circular arc box 1 improves production efficiency.

Specifically, as shown in fig. 2 and 6, a plurality of reinforcing rib plates 5 are welded between the stirring rod 41 and the rotating hollow shaft 2, and four reinforcing rib plates 5 are uniformly distributed around the stirring rod 41; the reinforcing rib plate 5 is a trapezoidal plate, the tail end of the reinforcing rib plate is provided with a rib plate arc 51, the rib plate arc 51 is attached to the outer wall of the rotary hollow shaft 2, the joint is welded, the bearing capacity of the stirring rod 41 is further increased, and the maintenance cost is reduced.

Specifically, as shown in fig. 2 and 7, a second positioning hole 31 is formed in the input shaft 3, and the input shaft 3 is connected to the hollow rotary shaft 2 through a pin; the top end of the input shaft 3 is provided with a key slot 32, the input shaft 3 is connected with an external motor through the key slot, and similarly, the output shaft 6 is connected with the rotary hollow shaft 2 through a pin.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims

1. A sludge double-shaft stirring device is characterized by comprising a double-strand arc box body (1), a rotary hollow shaft (2) and a plurality of groups of stirring mechanisms (4);

two rotary hollow shafts (2) are arranged and are respectively positioned at the central axis of the double-strand arc box body (1);

the rotating hollow shaft (2) is rotationally connected with the double-strand arc box body (1) through an input shaft (3), and the input shaft (3) can drive the rotating hollow shaft (2) to rotate under the action of an external motor;

the stirring mechanisms (4) are welded on the rotary hollow shaft (2) in a staggered manner.

2. The double-shaft sludge stirring device as claimed in claim 1, wherein the double-strand arc box body (1) mainly comprises a double-strand arc bottom bin (11), a bottom plate (12) and a fixed block (13); the double-strand arc bottom bin (11) can enable sludge in the double-strand arc box body (1) to be stirred more fully.

3. The sludge double-shaft stirring device as claimed in claim 2, wherein two ends of the fixed block (13) are respectively and fixedly connected with the top end of the double-strand arc bottom bin (11) and the bottom plate (12), and the suspension design can effectively reduce the vibration generated in the operation of the double-strand arc box body (1).

4. The double-shaft sludge stirring device as claimed in claim 1, wherein a plurality of through holes (21) are staggered on the rotating hollow shaft (2) for passing through the stirring mechanism (4); two ends of the rotary hollow shaft (2) are respectively provided with a first positioning hole (22) which is respectively used for connecting the input shaft (3) and the output shaft (6); the middle of the rotary hollow shaft (2) is provided with a cavity (23) for introducing steam for heating.

5. The sludge double-shaft stirring device as claimed in claim 1, wherein the stirring mechanism (4) comprises a stirring rod (41) and a stirring blade (42), and the stirring blade (42) is welded on the top end of the stirring rod (41).

6. The sludge double-shaft stirring device as claimed in claim 5, wherein the top end of the stirring blade (42) is provided with a circular arc-shaped scraping blade (421) which can stir the sludge more fully in the double-strand circular arc box body (1); the tail end of the stirring blade (42) is provided with a notch (422), the stirring rod (41) is inserted into the notch (422) and welded along the interface, and the bearing strength of the stirring blade (42) can be increased.

7. The double-shaft sludge stirring device according to claim 5, wherein a plurality of reinforcing rib plates (5) are welded between the stirring rod (41) and the rotating hollow shaft (2), each reinforcing rib plate (5) is a trapezoidal plate, a rib plate arc (51) is arranged at the tail end of each reinforcing rib plate (5), and the rib plate arcs (51) are attached to the outer wall of the rotating hollow shaft (2) and are used for welding the joints.

8. The sludge double-shaft stirring device as claimed in claim 1, wherein a second positioning hole (31) is formed on the input shaft (3), and the input shaft (3) is connected with the rotating hollow shaft (2) through a pin; the top end of the input shaft (3) is provided with a key slot (32), and the input shaft (3) is connected with an external motor through the key slot.