Sludge conditioning tank

Abstract

The utility model relates to a sludge conditioning tank which comprises a tank body, a flow guide cover, a pesticide spraying mechanism and a driving motor, a motor frame is mounted at the upper part of the inner side of the tank body, and a tank cover is mounted at the top end of the tank body; the center of the tank cover is provided with a sludge inlet pipe which is over against the center of the top of the flow guide cover; the pesticide spraying mechanism is mounted at the bottom of the tank cover, and X nozzles are arranged on the pesticide spraying mechanism; the driving motor is installed on the motor frame, and a motor shaft of the driving motor is connected with a stirring paddle through a coupler. The sludge treatment device has the beneficial effects that the flow guide cover is mounted under the sludge inlet pipe in the tank body, sludge falls on the flow guide cover through the sludge inlet pipe and is dispersed along the surface of the flow guide cover, and the pesticide spraying mechanism is mounted at the bottom of the tank cover and uniformly sprays a conditioning agent onto the sludge on the surface of the flow guide cover, so that the conditioning agent and the sludge are primarily mixed; the filling uniformity of the conditioning agent is improved, so that the time for driving the stirring paddle to stir by the driving motor is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sludge treatment equipment, especially to a sludge conditioning tank. BACKGROUND

[0002] In the industry of sludge treatment, the sludge is generally conditioned by using chemical agents to break the cell wall of the microorganism in the sludge and release the water inside the cell as free water, so that the water content of the sludge cake can be greatly reduced after being conditioned and filtered by a plate and frame filter.

[0003] The existing sludge conditioning device directly heats the sludge and conditioning agents in the tank, and then stirs them by a motor-driven stirrer. However, the conditioning agents are not evenly added, and a long time of stirring is required to fully mix the conditioning agents with the sludge. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above problems in the prior art and providing a sludge conditioning tank.

[0005] To achieve the above technical purposes and effects, the utility model realizes the following technical scheme:

[0006] A sludge conditioning tank comprises:

[0007] A tank body is internally provided at the upper portion with a motor bracket, and is externally provided at the top with a tank cover, and is internally provided at the bottom with a sludge discharge pipe;

[0008] A flow guide cover is clamped on the motor bracket, the center of the tank cover is provided with a sludge inlet pipe opposite to the top center of the flow guide cover, and a circle of sludge discharge channels is formed between the outer sidewall of the lower portion of the flow guide cover and the inner sidewall of the tank body;

[0009] A medicine spraying mechanism is installed at the bottom of the tank cover, and X evenly distributed spray heads with their spray directions towards the flow guide cover are arranged on the medicine spraying mechanism;

[0010] A driving motor is installed on the motor bracket, and a stirring paddle for stirring the sludge is connected to the motor shaft of the driving motor through a shaft coupling.

[0011] The motor bracket comprises a supporting ring in the shape of a circular ring, N supporting rods arranged in a ring array, and a limiting ring in the shape of a circular ring. The first ends of the supporting rods are fixed to the supporting ring, and the tail portions of the supporting rods are connected to the tank body by bolts. The limiting ring is welded to the supporting rods, and the limiting ring is coaxial with the supporting ring.

[0012] The fairing comprises a hemispherical shell-shaped upper fairing part and a circular ring-shaped lower fairing part, the upper fairing part is integrally formed with the lower fairing part, the lower fairing part is clamped outside the limiting ring, and N clamping holes arranged in a ring array are formed in the lower fairing part and are clamped on the supporting rods one by one.

[0013] As a preferred mode, a plurality of spoiler blocks are mounted on the outer side of the upper fairing part.

[0014] As another preferred mode, a plurality of coaxial spoiler rings are arranged on the outer side of the upper fairing part.

[0015] The medicine spraying mechanism comprises a circular ring-shaped medicine spraying pipe, a medicine inlet pipe is fixedly connected to the top of the medicine spraying pipe and communicates with the medicine spraying pipe, X medicine head mounting seats are fixedly connected to the bottom of the medicine spraying pipe and communicate with the medicine spraying pipe, and a medicine head is screwed into each medicine head mounting seat.

[0016] The included angle between the central axis of the medicine head and the central axis of the medicine spraying pipe is 30°.

[0017] The driving motor is covered in the fairing.

[0018] One side of the tank body is fixedly connected with an overflow pipe which communicates with the inside of the tank body, and the overflow pipe is located below the motor frame.

[0019] The beneficial effects of the present application are as follows: the fairing is installed directly below the mud inlet pipe in the tank body, the sludge falls on the fairing through the mud inlet pipe and spreads along the surface of the fairing, the medicine spraying mechanism is installed at the bottom of the tank cover, the conditioning agent is uniformly sprayed on the sludge on the surface of the fairing, the conditioning agent and the sludge are preliminarily mixed, the uniformity of the conditioning agent is improved, and the time for the driving motor to drive the stirring paddle to stir is shortened. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate certain illustrative embodiments of the present application and are used to explain the present application, but do not limit the present application. In the drawings:

[0021] Figure 1 is a structural schematic view of a sludge conditioning tank in the present application;

[0022] Figure 2 is a structural schematic view of a tank body and a tank cover of a sludge conditioning tank in the present application after longitudinal cutting;

[0023] Figure 3 is a structural schematic view of a motor frame in the present application;

[0024] Figure 4It is the structural schematic view of the flow guide cover in the utility model;

[0025] Figure 5 It is the structural schematic view of the medicine spraying mechanism in the utility model;

[0026] The label in the drawing is explained: tank body 1, sludge discharge pipe 11, overflow pipe 12, flow guide cover 2, upper flow guide part 21, lower flow guide part 22, spoiler 23, bayonet 24, medicine spraying mechanism 3, medicine spraying pipe 31, medicine inlet pipe 32, nozzle mounting seat 33, nozzle 34, driving motor 4, motor bracket 5, support ring 51, support rod 52, limit ring 53, tank cover 6, sludge inlet pipe 61, stirring paddle 7. DETAILED DESCRIPTION

[0027] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0028] As Figures 1 to 5 shown in the first embodiment, a kind of sludge conditioning tank, including: tank body 1, flow guide cover 2, medicine spraying mechanism 3, driving motor 4, the bottom of tank body 1 is provided with sludge discharge pipe 11.

[0029] Motor bracket 5 is installed on the inside upper portion of tank body 1, and motor bracket 5 includes circular support ring 51, 6 support rods 52 arranged in annular array, circular limit ring 53, the first end of support rod 52 is fixedly connected with support ring 51, the tail of support rod 52 is connected with tank body 1 by bolt, limit ring 53 is welded with support rod 52, and limit ring 53 is coaxial with support ring 51.

[0030] Flow guide cover 2 includes hemispherical shell-shaped upper flow guide part 21 and circular lower flow guide part 22, and upper flow guide part 21 is integrally made with lower flow guide part 22.Several spoilers 23 are installed on the outside of upper flow guide part 21, spoiler 23 changes the sludge flow direction of the outside of flow guide cover 2, and promotes sludge and medicament to mix.

[0031] Flow guide cover 2 is installed on motor bracket 5, specifically, lower flow guide part 22 is clamped outside limit ring 53, 6 bayonets 24 arranged in annular array are formed on lower flow guide part 22, and bayonet 24 is clamped on support rod 52 one by one.

[0032] Tank cover 6 is installed at the top of tank body 1, and sludge inlet pipe 61 is arranged in the center of tank cover 6 and faces the top center of flow guide cover, and a circle of sludge discharge channels is formed between the outside wall of the lower part of flow guide cover 2 and the inside wall of tank body 1.

[0033] The spraying mechanism 3 is installed at the bottom of the tank cover 6, and 12 spraying heads 34 are uniformly distributed on the spraying mechanism 3 and directed towards the fairing. Specifically, the spraying mechanism 3 comprises a circular spraying pipe 31, a medicine inlet pipe 32 is fixedly connected to the top of the spraying pipe 31 and communicates with the spraying pipe 31, and 12 spraying head mounting seats 33 are fixedly connected to the bottom of the spraying pipe 31 and communicate with the spraying pipe 31, a spraying head 34 is screwed into each spraying head mounting seat 33, and the included angle between the central axis of the spraying head 34 and the central axis of the spraying pipe 31 is 30°.

[0034] The driving motor 4 is installed on the motor frame 5, a stirring paddle 7 for stirring sludge is connected to the motor shaft of the driving motor 4 through a shaft coupling, and the driving motor 4 is covered in the fairing 2.

[0035] The tank body 1 is fixedly connected with an overflow pipe 12 which communicates with the inside of the tank body 1, the overflow pipe 12 is located below the motor frame 5, and the overflow pipe 12 prevents the driving motor 4 from being submerged by sludge, thereby avoiding damage to the driving motor 4.

[0036] In the second embodiment, the outer side of the upper fairing part 21 is provided with multiple coaxial turbulence rings.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A sludge conditioning tank characterized by, The utility model provides a sludge spraying device, which comprises a tank body, a motor frame mounted on the inner upper portion of the tank body, a tank cover mounted on the top end of the tank body, and a sludge discharge pipe arranged at the bottom of the tank body. A flow guide cover is clamped on the motor frame, a sludge inlet pipe is arranged at the center of the tank cover to face the top center of the flow guide cover, and a sludge discharge channel is formed between the outer lower wall of the flow guide cover and the inner wall of the tank body. A medicine spraying mechanism is mounted at the bottom of the tank cover, and X evenly distributed spraying heads are arranged on the medicine spraying mechanism, with the spraying direction being towards the flow guide cover. A driving motor is mounted on the motor frame, and a stirring paddle for stirring sludge is connected to the motor shaft of the driving motor through a shaft coupling. The motor frame comprises a supporting ring in the shape of a circular ring, N supporting rods arranged in a ring array, and a limiting ring in the shape of a circular ring.

2. The sludge conditioning tank of claim 1, wherein: The first end of the supporting rod is fixedly connected to the supporting ring, the tail of the supporting rod is connected to the tank body through a bolt, the limiting ring is welded to the supporting rod, and the limiting ring is coaxial with the supporting ring.

3. The sludge conditioning tank of claim 2, wherein: The flow guide cover comprises a hemispherical shell-shaped upper flow guide part and a circular ring-shaped lower flow guide part.

4. The sludge conditioning tank of claim 3, wherein: The outer side of the upper flow guide part is provided with a plurality of turbulence blocks.

5. The sludge conditioning tank of claim 3, wherein: The outer side of the upper flow guide part is provided with a plurality of coaxial turbulence rings.

6. The sludge conditioning tank of claim 1, wherein: The medicine spraying mechanism comprises a circular ring-shaped medicine spraying pipe, an inlet pipe is fixedly connected to the top of the medicine spraying pipe and communicates with the medicine spraying pipe, X spraying head mounting seats are fixedly connected to the bottom of the medicine spraying pipe and communicate with the medicine spraying pipe, and a spraying head is screwed into each spraying head mounting seat.

7. The sludge conditioning tank of claim 6, wherein: The included angle between the central axis of the spraying head and the central axis of the medicine spraying pipe is 30°.

8. The sludge conditioning tank of claim 1, wherein: The driving motor is covered in the flow guide cover.

9. The sludge conditioning tank of claim 1, wherein: An overflow pipe is fixedly connected to one side of the tank body and communicates with the inside of the tank body, and the overflow pipe is located below the motor frame.

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