CN218178896U

CN218178896U - Sludge dispersing device for waste incineration

Info

Publication number: CN218178896U
Application number: CN202221960527.5U
Authority: CN
Inventors: 戴道国; 夏良
Original assignee: Hunan Junxin Environmental Co ltd
Current assignee: Hunan Junxin Environmental Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-30
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a sludge dispersion device for msw incineration, including drive assembly, dispersion pipe and dispersion impeller, treat to send into the dispersion pipe through the feed inlet with the mud of rubbish mixing, the dispersion impeller is located the bottom of dispersion pipe exit end, drive assembly's output links to each other with the dispersion impeller and takes the dispersion impeller to rotate, makes mud behind the dispersion pipe strike, throw away on rotatory dispersion impeller, is become fritter mud by the homodisperse, and the scattered flatly is spread in the rubbish heap top of treating burning. The utility model has the advantages of simple structure, can improve sludge treatment's the degree of consistency, and then improve effect such as mud and rubbish mix burning effect.

Description

Sludge dispersing device for waste incineration

Technical Field

The utility model relates to the technical field of waste incineration power generation, in particular to a sludge dispersing device for waste incineration.

Background

Sludge generated by sewage treatment is rich in organic components, contains a certain amount of harmful substances such as heavy metals, pathogens and the like, needs to be properly treated, and has the principle of reduction, stabilization, harmlessness and recycling.

Sludge incineration refers to a process in which solid sludge is decomposed into three residues, i.e., gas, tar, ash, and the like, in an oxygen-free or low-oxygen atmosphere at high temperature. The sludge incineration treatment object is mainly a dewatered sludge cake, the water content of the dewatered sludge cake still reaches 45% -86%, the water content is high, the volume is large, and the sludge can be dried or incinerated. After drying treatment, the water content of the sludge can be reduced to 20-40%. The water content can be reduced to 0 by incineration treatment, the volume is very small, and the transportation and the disposal are more convenient.

Some practitioners have proposed the cooperative disposal of sludge and garbage, and the disposal is also solved in the garbage incineration. However, the current way of sludge and incineration co-disposal is as follows: the sludge is directly sent into the incinerator through a conveying device or is sent into the incinerator through the conveying device after being simply dried. But because of the problem that mud itself has the moisture content height, viscosity is big, carries the back through conveyor, will directly pile up in partial rubbish top or can't effectively with rubbish homogeneous mixing, this problem that can't fully burn after the rubbish gets into furnace appears easily. Moreover, because the sludge conveyed in cannot be uniformly sprinkled on the whole stockpiling area, a plurality of positions are in blank states, the mixed burning effect is poor, hardening, scaling and solidification are easily caused, and the burning of the garbage is further influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in: to the technical problem that prior art exists, the utility model provides a simple structure, can improve sludge treatment's the degree of consistency, and then improve the mud and mix the mud that burns effect with rubbish and be used for msw incineration's sludge dispersion device.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a sludge dispersion device for msw incineration, includes drive assembly, dispersion tube and dispersion impeller, treats to send into the dispersion tube with the mud of rubbish mixing through the feed inlet, the dispersion impeller is located the bottom of dispersion tube exit end, drive assembly's output links to each other with the dispersion impeller and takes the dispersion impeller to rotate, makes the mud behind the dispersion tube striking on rotatory dispersion impeller, throws away, by evenly dispersed blocking mud, and the scattered flatly is spread in the rubbish heap top of treating the incineration.

As a further improvement of the utility model: the driving assembly comprises a driving motor and a driving shaft, and the output end of the driving motor is connected with the dispersion disc through the driving shaft; the drive shaft is located within the dispersion tube.

As a further improvement of the utility model: the driving motor adopts a variable-frequency speed-reducing integrated motor, the rotating speed is adjustable, and the rotating direction is adjustable in the positive and negative directions. Through PID adjustment of the frequency converter, the driving motor gradually rises and then gradually falls within the rotating speed range, and sludge is dispersed from the dispersion pipe through the dispersion disc by utilizing speed control and then uniformly scattered in a disc type within the maximum circle center diameter of scattering.

As a further improvement of the utility model: the periphery of the driving shaft is provided with a driving shaft protective sleeve for protecting the driving shaft from being influenced by sludge.

As a further improvement of the utility model: the driving motor is arranged above the dispersion pipe through a driving bearing and a flange plate, and a bearing seal is further arranged at the driving bearing.

As a further improvement of the utility model: the side of dispersion pipe still is equipped with a bypass pipe, the feed inlet sets up in bypass pipe department.

As a further improvement of the utility model: a sludge cutting blade assembly is also arranged at the position of the outlet end of the dispersion pipe, and the sludge cutting blade assembly is arranged on the driving shaft and rotates along with the driving shaft; the sludge cutting blade component is positioned above the dispersion disc

As a further improvement of the utility model: the outer circumference of the dispersion disc is also provided with a plurality of blades which are used for forming the function of guiding and shunting the sludge.

As a further improvement of the utility model: the dispersion impeller still is provided with a plurality of dispersion impeller blade on the one side of mud direction of dropping, along with the high-speed rotation of dispersion impeller, utilizes the dispersion impeller blade to become the state that the granularity is littleer with mud treatment.

As a further improvement of the utility model: the dispersion impeller is provided with a blade mounting groove, and the dispersion impeller blade is mounted in the blade mounting groove.

As a further improvement of the utility model: the dispersion disc is disc-shaped, oval end socket circular cover-shaped or conical.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses a sludge dispersion devices for msw incineration, simple structure only can be with the effective dispersion of mud through core components such as driving motor, drive shaft and dispersion impeller, simultaneously through frequency conversion control driving motor, can realize the homodisperse of mud in the biggest circle diameter of dispersion, and then improves the effect of burning with mixing of mud and rubbish, also can avoid forming the part of mud and pile up and consolidate.

2. The utility model discloses a mud dispersion devices for msw incineration through drive axle sleeve device, has eliminated the drive shaft and has contacted with the mud winding thing in the rotation and the winding that arouses influences the hidden danger, and the circular closed design of drive axle sleeve top and dispersion pipe has greatly reduced the contact or the contactless at mud and bearing position simultaneously. The service life of the whole equipment is prolonged.

3. The utility model discloses a sludge dispersion device for msw incineration can gain its dispersion diameter data under different frequencies according to different mud viscosity, moisture content and relevant nature after, compiles the frequency conversion control program, realizes the homodisperse of mud in the biggest dispersion circle diameter.

Drawings

Fig. 1 is a schematic view of the structure principle of the present invention.

Fig. 2 is a schematic diagram of the structural principle of the dispersion disc in the specific application example of the present invention.

FIG. 3 is a schematic view of the present invention applied to a disposal site in a waste incineration plant.

Illustration of the drawings:

101. a drive motor; 102. a drive shaft; 103. a drive shaft protective sleeve; 104. a drive bearing; 105. sealing the bearing; 106. a dispersion pipe; 107. a dispersion tray; 108. a dispersion disc blade; 109. a flange plate; 110. a feed inlet; 1081. a rotary blade; 1082. and (4) mounting the groove.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

As shown in fig. 1, 2 and 3, the sludge dispersing device for waste incineration of the present invention is used for treating sludge from waste incineration; this sludge dispersion device includes drive assembly, dispersion pipe 106 and dispersion impeller 107, treats that the mud with the rubbish mixing sends into dispersion pipe 106 through feed inlet 110, dispersion impeller 107 is located the bottom of dispersion pipe 106 exit end, drive assembly's output links to each other with dispersion impeller 107 and takes dispersion impeller 107 to rotate, makes the mud behind dispersion pipe 106 strike, throw away on rotatory dispersion impeller 107 to be 360 homodisperses and become fritter mud, fall the tiling and in the rubbish heap top of treating burning, can improve the effect of burning in mixture of mud and rubbish greatly.

In a specific application example, the driving assembly includes a driving motor 101 and a driving shaft 102, and an output end of the driving motor 101 is connected to the dispersion tray 107 through the driving shaft 102. The drive shaft 102 is located within a dispersion tube 106. In this example, the driving motor 101 and the driving shaft 102 are arranged in a vertical direction.

In a specific application example, the driving motor 101 may be a variable-frequency speed-reducing integrated motor, the rotating speed is adjustable between 0rpm and 1400rpm, and the rotating direction is adjustable in the forward and reverse directions. The driving motor 101 can be gradually raised and then gradually lowered within 1-1400rpm by PID adjustment of the frequency converter, and the sludge can be uniformly scattered in a disc type within the maximum circle center diameter of scattering after being dispersed by the dispersion disc 107 from the dispersion pipe 106 by utilizing speed control.

As a preferred embodiment, a driving shaft protecting sleeve 103 is disposed on the outer circumference of the driving shaft 102 to protect the driving shaft 102 from the sludge, thereby improving the service life and operational reliability of the driving shaft 102. In a preferred embodiment, the driving motor 101 is mounted above the dispersion pipe 106 through a driving bearing 104 and a flange 109, and a bearing seal 105 is further disposed at the driving bearing 104. The flange or the gasket is additionally arranged between the flange plates 109, and the gap between the dispersion plate 107 and the dispersion pipe 106 is adjusted, so that the dispersion effect under different sludge viscosities is realized.

In a specific application example, the drive shaft protecting sleeve 103 is hollow, the drive shaft 102 is positioned in the drive shaft protecting sleeve 103, and the upper part of the drive shaft protecting sleeve 103 is connected with the upper part of the dispersion pipe 106 in a disc type closed manner. Through the hollow structure of the drive shaft protection sleeve 103, the drive shaft 102 can not contact with the sludge when rotating in the dispersion pipe 106, and the influence of flocs or entanglements in the sludge on the operation of the drive shaft 102 caused by the winding of the drive shaft 102 is reduced. And the upper part of the drive shaft protecting sleeve 103 is connected with the upper part of the dispersion pipe 106 in a disc type closed manner, so that the contact frequency of the seal above the dispersion pipe 106 and the sludge of the drive bearing 104 can be greatly reduced or the seal above the dispersion pipe 106 and the sludge of the drive bearing 104 are not contacted, and the service life of the seal and the drive bearing 104 is prolonged.

In a specific application example, a bypass pipe is further disposed at a side of the dispersion pipe 106, and the feed inlet 110 is disposed at the bypass pipe.

In the embodiment, a sludge-dividing blade assembly 111 is further provided at the position of the outlet end of the dispersion pipe 106, and the sludge-dividing blade assembly 111 is mounted on the driving shaft 102 and rotates with the driving shaft 102. The sludge cutting blade assembly 111 is located above the dispersion disc 107. Thus, before the sludge falls from the outlet of the dispersion pipe 106, the sludge can be cut once by the rotating sludge cutting blade assembly 111, the large-cluster sludge becomes small-block sludge, and the treatment effect of the dispersion disc 107 is improved, so that the sludge with better uniformity can be obtained.

In a specific application example, the outer circumference of the dispersion disc 107 is further provided with a plurality of blades 108, the blades 108 can form a guiding and shunting effect, and can throw off dropped sludge under the action of high-speed rotating force better, so that a sludge distribution effect with better uniformity is formed.

In a specific application example, a plurality of dispersing plate blades 1081 are further disposed on one surface of the dispersing plate 107 facing the sludge falling direction, and with the high-speed rotation of the dispersing plate 107, the sludge can be better processed into a more uniform state with smaller particle size by using the dispersing plate blades 1081. In a specific application, the dispersion plate 107 is provided with a blade mounting groove 1082, and the dispersion plate blade 1081 is mounted in the blade mounting groove 1082.

In a specific application example, the dispersion plate 107 has a shape of a disk, an elliptical head, a cone, or other shapes that allow the sludge to fall and be dispersed by the dispersion plate blades 108 welded above the dispersion plate.

In the specific application example, the dispersing plate blades 108 and the dispersing plate 107 are connected by 0-90 degrees.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, a plurality of modifications and decorations without departing from the principle of the present invention should be considered as the protection scope of the present invention.

Claims

1. The utility model provides a sludge dispersion device for msw incineration, its characterized in that, includes drive assembly, dispersion pipe (106) and dispersion impeller (107), treats to send into dispersion pipe (106) with the mud of rubbish mixing through feed inlet (110), dispersion impeller (107) are located the bottom of dispersion pipe (106) exit end, drive assembly's output links to each other with dispersion impeller (107) and takes dispersion impeller (107) to rotate, makes the mud behind dispersion pipe (106) strike, throw away on rotatory dispersion impeller (107), by evenly dispersed fritter mud, the scattered flatly spread in the rubbish heap top of treating the burning.

2. A sludge dispersion apparatus for waste incineration according to claim 1, wherein the driving assembly comprises a driving motor (101) and a driving shaft (102), the output end of the driving motor (101) is connected with the dispersion disc (107) through the driving shaft (102); the drive shaft (102) is located within a dispersion tube (106).

3. The sludge dispersing device for waste incineration according to the claim 2, wherein the driving motor (101) is a variable frequency and speed reduction integrated motor, the rotating speed is adjustable, and the rotating direction is adjustable in the positive and negative directions.

4. A sludge dispersion apparatus for use in incineration of refuse according to claim 3, wherein the driving motor (101) is gradually increased and then gradually decreased in a rotational speed range by PID adjustment of a frequency converter, and the sludge is dispersed from the dispersion pipe (106) through the dispersion disk (107) by speed control and then uniformly dispersed in a disk shape within a maximum circle center diameter of the dispersion.

5. Sludge dispersion apparatus for incineration of refuse according to claim 2, characterized in that a drive shaft protective sleeve (103) is arranged at the periphery of the drive shaft (102) to protect the drive shaft (102) from the sludge.

6. A sludge dispersion apparatus for incineration of refuse according to claim 2, characterized in that the driving motor (101) is mounted above the dispersion pipe (106) through a driving bearing (104) and a flange (109), and a bearing seal (105) is further provided at the driving bearing (104).

7. A sludge dispersion device for waste incineration according to any one of the claims 1-6, characterized in that the side of the dispersion pipe (106) is further provided with a by-pass pipe, and the feeding inlet (110) is arranged at the by-pass pipe.

8. A sludge dispersion apparatus for incineration of refuse according to any of the claims 2-6, characterized in that a sludge-dividing blade assembly (111) is further provided at the location of the outlet end of the dispersion pipe (106), said sludge-dividing blade assembly (111) being mounted on the drive shaft (102) and rotating with the drive shaft (102); the sludge cutting blade assembly (111) is positioned above the dispersion disc (107).

9. A sludge-dispersing device for refuse incineration according to any of the claims 1-6, characterized in that the outer circumference of the dispersing disc (107) is also provided with a number of blades (108), and the blades (108) are used to create a guiding and diverting effect on the sludge.

10. A sludge dispersion apparatus for use in incineration of refuse according to any of claims 1 to 6, wherein a plurality of dispersion disk blades (1081) are further provided on a surface of the dispersion disk (107) facing a falling direction of the sludge, and the sludge is processed into a state of smaller particle size by the dispersion disk blades (1081) in accordance with high-speed rotation of the dispersion disk (107).

11. The sludge dispersing device for garbage incineration according to claim 10, wherein the dispersion disc (107) is provided with a blade mounting groove (1082), and the dispersion disc blade (1081) is mounted in the blade mounting groove (1082).

12. A sludge inclusive device for use in connection with waste incineration according to any of the claims 1-6, characterised in that the dispersion disc (107) is disc-shaped, oval head dome-shaped or cone-shaped.