CN213416635U - Environment-friendly sludge drying device - Google Patents

Abstract

The utility model relates to an environment-friendly sludge drying device, which is provided with a long strip-shaped drying chamber and a working unit, wherein at least two layers of mesh belt mechanisms for conveying sludge are arranged in the drying chamber, and the sludge is conveyed layer by layer from top to bottom between the mesh belt mechanisms on different layers; the working unit is arranged on one side of the drying chamber and is communicated with the drying chamber through at least two circulating air return pipelines, and the working unit circularly conveys drying hot air into the drying chamber through the circulating air return pipelines; and the dust removal module and the deodorization module are respectively arranged on different circulating air return pipelines. The utility model discloses simple structure, convenient to use, it is abundant thorough to dry, has improved the oven-dry mass greatly, has dust removal, deodorant efficiency simultaneously, improves the drying chamber internal environment, helps drying work, reduces dust and foul smell influence operational environment, has the environmental protection efficiency, does benefit to sludge treatment and ensures sludge drying device's use, extension sludge drying device life has very big practical value, accords with the industry and popularizes and applies.

Description

Environment-friendly sludge drying device

Technical Field

The utility model belongs to the technical field of sludge treatment technique and specifically relates to a sludge drying device.

Background

The sludge treatment is a process of reducing, stabilizing and harmlessly treating sludge, the higher the sewage treatment degree is, the more sludge residues are generated to be treated, a general sewage treatment plant must be provided with sludge treatment facilities unless land treatment or sewage pond treatment is used for treating sewage, for a modern sewage treatment plant, the sludge treatment and disposal become the most complicated and expensive part of the operation of a sewage treatment system, and in the sludge processing process, the sludge needs to be dried and then can be utilized in the next step.

The existing sludge processing is generally finished manually, so that time and labor are wasted, the processing effect and quality are not good, and the sludge processing efficiency is greatly influenced. And then, a sludge drying device is provided for heating and dehumidifying wet sludge to obtain dry sludge, and the sludge drying device is widely applied to the field of sludge treatment. However, the conventional sludge drying device in the prior art generally has some disadvantages, for example, the conventional sludge drying device still has dust and odor in the production process to affect the environment, affect the sludge treatment and the use of the sludge drying device.

Disclosure of Invention

The utility model discloses an overcome prior art defect, provide an environmental protection sludge drying device, do benefit to sludge treatment and ensure sludge drying device's use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an environmental protection sludge drying device, it has:

the drying chamber is internally provided with at least two layers of mesh belt mechanisms for conveying sludge, and the mesh belt mechanisms on different layers convey the sludge layer by layer from top to bottom;

the working unit is arranged on one side of the drying chamber and is communicated with the drying chamber through at least two circulating air return pipelines, and the working unit realizes the circulating conveying of the drying hot air into the drying chamber through the circulating air return pipelines; and the different circulating air return pipelines are respectively provided with a dust removal module and a deodorization module.

The above-mentioned scheme is further, the work unit extends and leans on the relation of connection about forming with the drying chamber along the length direction of drying chamber, and the mutual leaning on position of work unit and drying chamber forms the intercommunication, and circulation return air duct erects the upside at work unit and drying chamber, and dry hot-blast is in the interior from bottom to top motion of drying chamber, forms the micro negative pressure environment in the drying chamber.

The scheme is further that a feeding port and a discharging port which are distributed diagonally are arranged on the drying chamber, the feeding port is in butt joint with the uppermost mesh belt mechanism in the drying chamber, the lowermost mesh belt mechanism in the drying chamber is provided with a conveying scraper, and the conveying scraper scrapes dust at the lower bottom in the drying chamber and pushes the dust to the discharging port of the drying chamber.

The scheme is further that the working unit is a heat pump unit.

The scheme is further that the number of the circulating air return pipelines is three, the three circulating air return pipelines are arranged in parallel according to the length direction of the drying chamber, the dust removal modules are arranged on the front circulating air return pipeline and the rear circulating air return pipeline, and the deodorization modules are arranged on the circulating air return pipeline positioned in the middle.

The scheme is further that a material distributing and extruding mechanism is arranged at a material inlet of the drying chamber.

The scheme is further that the dust removal module is an electrostatic dust remover.

Further to the above, the deodorization module is a microwave deodorizer.

Adopt above-mentioned structure, the utility model discloses simple structure, high durability and convenient use, carry mud through the layering and dry the operation, it is abundant thorough to dry, the drying quality has been improved greatly, and can make the inside space make full use of drying chamber, the work unit is through two at least circulation return air duct and drying chamber intercommunication, and lay dust removal module and deodorization module respectively on the circulation return air duct of difference, reach effective dust removal, deodorization, improve the drying chamber internal environment, help the stoving work, it influences operational environment to reduce dust and foul smell, the environmental protection efficiency has, do benefit to sludge treatment and ensure sludge drying device's use, extension sludge drying device life, very big practical value has, accord with the industry and popularize and apply.

Description of the drawings:

FIG. 1 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 2 is a schematic top view of the embodiment of FIG. 1;

FIG. 3 is a schematic side view of the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of a drying chamber of the embodiment of FIG. 1;

FIG. 5 is a schematic side view of the embodiment of FIG. 4;

FIG. 6 is a schematic view of the configuration of the lowermost belt mechanism of the embodiment of FIG. 4;

FIG. 7 is a schematic structural diagram of the working assembly of the embodiment of FIG. 1;

fig. 8 is a schematic diagram of the distribution of the internal structure of the working unit in the embodiment of fig. 7.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-8, which are drawings of a preferred embodiment of the present invention, the present invention relates to an environment-friendly sludge drying device, which comprises a drying chamber 1 and a working unit 3; the drying chamber 1 shown in the figure of the embodiment is a rectangular box body, at least two layers of mesh belt mechanisms 2 for conveying sludge are arranged in the drying chamber 1, and the mesh belt mechanisms 2 at different layers convey sludge layer by layer from top to bottom; the space in the drying chamber is fully utilized, and a longer conveying line is obtained. The mesh belt mechanism 2 is the prior art, mainly includes mesh belt, runner, motor, etc., the mesh belt holds the mud and does not draw and move, in order to dry and process, the feed and discharge switching place between the mesh belt mechanism 2 of different layers increases the structure such as the stock guide, etc., in order to transport the mud layer by layer from top to bottom. This work unit 3 arranges in one side of drying chamber 1 and through at least two circulation return air duct 4 and drying chamber 1 intercommunication, and work unit 3 prefers heat pump set, and is energy-conserving, environmental protection, obtains dry hot-blast through work such as heating, dehumidification, and specific work unit is prior art, no longer gives unnecessary here its theory of operation. The working unit 3 of the utility model circularly conveys the dry hot air into the drying chamber 1 through the circulating air return pipeline 4 so as to meet the drying processing requirement; lay dust removal module 5 and deodorization module 6 respectively on the circulation return air duct 4 of difference, reach effective dust removal, deodorization, improve the drying chamber internal environment, help the stoving work, reduce dust and foul smell and influence operational environment, have the environmental protection efficiency, do benefit to sludge treatment and ensure sludge drying device's use, extension sludge drying device life.

Referring to fig. 1, 2 and 3, the present embodiment constructs the structural body of the working unit, so that the working unit 3 extends along the length direction of the drying chamber and forms a left-right leaning connection relation with the drying chamber 1, and the leaning parts of the working unit 3 and the drying chamber 1 are communicated with each other, so as to achieve effective air intake, greatly cover the inner space of the drying chamber, make the dry hot air uniformly act on the sludge, fully and thoroughly dry the sludge, and greatly improve the drying quality. The circulating air return pipeline 4 is erected on the upper sides of the working unit 3 and the drying chamber 1, the drying hot air moves in the drying chamber 1 from bottom to top, and meanwhile, a plurality of suction fans 7 are arranged in the drying chamber 1 in a layered mode, so that a micro-negative-pressure environment is formed in the drying chamber 1, the drying hot air is guaranteed to move in the drying chamber 1 in a balanced mode, dead-angle-free drying operation is achieved, and comprehensive and sufficient sludge drying is achieved.

Fig. 1 to 6 show, in this embodiment, be equipped with pan feeding mouth 11 and discharge gate 12 of diagonal distribution on the drying chamber 1, the guipure mechanism 2 of the superiors in pan feeding mouth 11 butt joint drying chamber 1, and guipure mechanism 2 of the lower floor has the conveying scraper blade 21 in drying chamber 1, conveying scraper blade 21 strikes off the dust of going to the bottom in drying chamber 1 and propelling movement to the discharge gate 12 of drying chamber 1, when reaching the transport mud, still effectively get rid of the dust of going to the bottom in drying chamber 1, the accumulated dust of going to the bottom in reducing drying chamber 1, guarantee the inside cleanness of drying chamber, promote drying device's usability. In this embodiment, the material-distributing and extruding mechanism 13 is disposed at the material-feeding port 11 of the drying chamber 1, and the material-distributing and extruding mechanism 13 mainly includes a rotation stirring and extrusion blending action, such as a rotation material-distributing claw and an extruder, to achieve stirring and homogenization of the sludge, and help to distribute the sludge evenly on the mesh belt mechanism 2 at the uppermost layer, so as to promote drying treatment and improve drying efficiency and quality.

As shown in fig. 1, 2, 3, 7, and 8, in this embodiment, there are three circulation return air ducts 4, and the three circulation return air ducts 4 are arranged in parallel according to the length direction of the drying chamber, wherein the front and rear circulation return air ducts 4 are provided with dust removal modules 5, and the middle circulation return air duct 4 is provided with a deodorization module 6. This structural design makes dust removal module 5 distribute the position top of changing between the guipure mechanism 2 on different layers, gets rid of the indoor dust of drying better, and in this embodiment, dust removal module 5 is electrostatic precipitator, and the electrostatic precipitator of preferred 3000~5000V is installed on circulating return air duct 4 correspondingly, reaches effective dust removal and purifies the recovery wind to the dry hot-blast of regeneration. The deodorization module 6 is a microwave deodorizer, and has long service life and good deodorization effect. Dust removal module 5 and deodorization module 6 distribute on circulation return air pipeline 4, convenient maintenance promotes performance.

The utility model discloses simple structure, high durability and convenient use, carry mud through the layering and dry the operation, it is abundant thorough to dry, the drying quality has been improved greatly, and can make the inside space make full use of drying chamber, the work unit is through at least two circulation return air ducts and drying chamber intercommunication, and lay dust removal module and deodorization module respectively on the circulation return air duct of difference, reach effective dust removal, deodorization, improve the drying chamber internal environment, help stoving work, reduce dust and foul smell influence operational environment, environmental protection efficiency has, do benefit to sludge treatment and ensure sludge drying device's use, extension sludge drying device life, very big practical value has, accord with the industry and popularize and apply.

Of course, the present invention has been described in detail with reference to the embodiments, and only for the purpose of illustrating the technical conception and the features of the present invention, the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and implement the same, therefore, all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (8)

1. The utility model provides an environmental protection sludge drying device which characterized in that has:

the drying chamber (1) is in a strip shape, at least two layers of mesh belt mechanisms (2) used for conveying sludge are arranged in the drying chamber (1), and the mesh belt mechanisms (2) on different layers convey sludge layer by layer from top to bottom;

the working unit (3) is arranged on one side of the drying chamber (1) and is communicated with the drying chamber (1) through at least two circulating air return pipelines (4), and the working unit (3) circularly conveys drying hot air into the drying chamber (1) through the circulating air return pipelines (4); and the different circulating air return pipelines (4) are respectively provided with a dust removal module (5) and a deodorization module (6).

2. The environment-friendly sludge drying device according to claim 1, wherein the working unit (3) extends along the length direction of the drying chamber and forms a left-right leaning connection relation with the drying chamber (1), the mutual leaning parts of the working unit (3) and the drying chamber (1) form a communication, the circulating air return pipeline (4) is erected on the upper sides of the working unit (3) and the drying chamber (1), the drying hot air moves from bottom to top in the drying chamber (1), and a micro negative pressure environment is formed in the drying chamber (1).

3. The environment-friendly sludge drying device according to claim 1 or 2, wherein the drying chamber (1) is provided with a feeding port (11) and a discharging port (12) which are diagonally distributed, the feeding port (11) is butted with the uppermost mesh belt mechanism (2) in the drying chamber (1), the lowermost mesh belt mechanism (2) in the drying chamber (1) is provided with a conveying scraper (21), and the conveying scraper (21) scrapes dust on the inner bottom of the drying chamber (1) and pushes the dust to the discharging port (12) of the drying chamber (1).

4. The environment-friendly sludge drying device as claimed in claim 1 or 2, wherein the working unit (3) is a heat pump unit.

5. The environment-friendly sludge drying device according to claim 1 or 2, wherein the number of the circulating air return pipelines (4) is three, the three circulating air return pipelines (4) are arranged in parallel according to the length direction of the drying chamber, wherein the dust removal modules (5) are arranged on the front circulating air return pipeline (4) and the rear circulating air return pipeline (4), and the deodorization modules (6) are arranged on the circulating air return pipeline (4) in the middle.

6. The environment-friendly sludge drying device according to claim 3, wherein a material separating and extruding mechanism (13) is arranged at the feeding port (11) of the drying chamber (1).

7. The environment-friendly sludge drying device as claimed in claim 5, wherein the dust removal module (5) is an electrostatic dust collector.

8. The environment-friendly sludge drying device as claimed in claim 5, wherein the deodorizing module (6) is a microwave deodorizer.

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