阅读说明：本技术 一种环保型多用途城市污泥建筑材料及其制备方法 (Environment-friendly multipurpose urban sludge building material and preparation method thereof ) 是由 冯光秦 于 2019-01-07 设计创作，主要内容包括：本发明涉及建材领域,尤其涉及一种环保型多用途城市污泥建筑材料及其制备方法。包含如下步骤,对污泥进行造粒,造粒的方式是将污泥采用造粒机挤出,挤出的颗粒外部包覆一层干燥的渣土；随后进行定型,用免烧砖成型技术进行挤压和震动成型,成型的时候处于热空气中；随后采用轨道窑进行烧制,烧制的过程中,污泥中的有机质被燃烧,产生多孔状结构,产生大量空隙,形成强度支撑的微结构的透水结构,最后烧制成高强度建筑材料。本处的技术方案开创性变废为宝,能够将污泥作为建筑材料使用,不用进行深埋处理了,节省人力和物力,同时能充分利用渣土和污泥两种材质,有机物在燃烧定型的时候产生的空隙,恰好是透水砖的必须空隙,还能增加强度。(The invention relates to the field of building materials, in particular to an environment-friendly multipurpose urban sludge building material and a preparation method thereof. The method comprises the following steps of granulating the sludge in a manner of extruding the sludge by a granulator, and coating a layer of dry muck on the extruded particles; then shaping, extruding and vibrating by using a baking-free brick molding technology, wherein the shaped brick is in hot air; and then, firing by adopting a track kiln, wherein in the firing process, organic matters in the sludge are combusted to generate a porous structure and a large number of gaps, so that a permeable structure of a microstructure of the strength support is formed, and finally, the high-strength building material is fired. The technical scheme of this department pioneers the nature changing waste into valuables, can regard as sludge to use as building material, need not bury deeply and handled, uses manpower sparingly and material resources, can make full use of dregs and two kinds of materials of mud simultaneously, and the space that the organic matter produced when burning design is exactly the must space of the brick that permeates water, can also increase intensity.)

1. An environment-friendly multipurpose urban sludge building material is characterized in that the building material is formed by shaping and firing sludge as a raw material.

2. A preparation method of an environment-friendly multipurpose municipal sludge building material is characterized by comprising the following steps,

granulating the sludge in a manner of extruding the sludge by a granulator, and coating a layer of dry muck on the extruded particles;

then shaping, extruding and vibrating by using a baking-free brick molding technology, wherein the shaped brick is in hot air;

and then, firing by adopting a track kiln, wherein in the firing process, organic matters in the sludge are combusted to generate a porous structure and a large number of gaps, so that a permeable structure of a microstructure of the strength support is formed, and finally, the high-strength building material is fired.

3. The method of claim 2, wherein the building material is spherical or square.

4. The method for preparing environment-friendly multi-purpose municipal sludge building material according to claim 2, wherein said granulation is performed using a granulator, which comprises a screen, said screen comprising a plurality of holes, through which sludge can fall into strips; the side of the granulator comprises a cutting part, the cutting part comprises a motor arranged on a rack, a rotating shaft is arranged below the motor, a cutting knife is arranged below the rotating shaft, and the cutting knife can cut the material into a plurality of sections when rotating;

the side of the section in the falling process comprises a hot air blowing structure, and the hot air blowing structure can blow the residue soil powder in the residue soil powder hopper to the section;

the lower part comprises a holding container.

5. The method for preparing environment-friendly multi-purpose municipal sludge building material according to claim 4, wherein said granulating and sizing are both carried out in high temperature air flowing environment, and the water content of the sludge is 40% -50% when the sludge is fired after sizing.

6. The method of claim 2, wherein the sludge is preferably a sludge containing decomposed organic substances after biological purification in a purification system.

Technical Field

The invention relates to the field of building materials, in particular to an environment-friendly multipurpose urban sludge building material and a preparation method thereof.

Background

Municipal sludge refers to sludge produced during operation and maintenance of municipal facilities in and associated with municipal activities. The prior art has the following defects:

some components of the sludge cannot be purified by microorganisms; the intelligent deep-burying treatment of the sludge pollutes the environment and wastes manpower.

Disclosure of Invention

The purpose of the invention is as follows: in order to provide an environment-friendly multipurpose municipal sludge building material with better effect and a preparation method thereof, the concrete purpose is seen in a plurality of substantial technical effects of the concrete implementation part.

In order to achieve the purpose, the invention adopts the following technical scheme:

the first scheme is as follows:

an environment-friendly multipurpose urban sludge building material is characterized in that the building material is formed by shaping and firing sludge as a raw material.

Scheme II:

a preparation method of an environment-friendly multipurpose municipal sludge building material is characterized by comprising the following steps,

granulating the sludge in a manner of extruding the sludge by a granulator, and coating a layer of dry muck on the extruded particles;

then shaping, extruding and vibrating by using a baking-free brick molding technology, wherein the shaped brick is in hot air;

and then, firing by adopting a track kiln, wherein in the firing process, organic matters in the sludge are combusted to generate a porous structure and a large number of gaps, so that a permeable structure of a microstructure of the strength support is formed, and finally, the high-strength building material is fired.

The invention further adopts the technical scheme that the building material is spherical or square.

The further technical scheme of the invention is that the granulation is completed by adopting a granulator, the granulator comprises a net screen, the net screen comprises a plurality of holes, and the sludge can pass through the net screen and fall into strip-shaped materials; the side of the granulator comprises a cutting part, the cutting part comprises a motor arranged on a rack, a rotating shaft is arranged below the motor, a cutting knife is arranged below the rotating shaft, and the cutting knife can cut the material into a plurality of sections when rotating;

the side of the section in the falling process comprises a hot air blowing structure, and the hot air blowing structure can blow the residue soil powder in the residue soil powder hopper to the section;

the lower part comprises a holding container.

The further technical scheme of the invention is that the granulator and the shaping are realized in a high-temperature airflow flowing environment, and the water content of the sludge is 40-50% when the sludge is fired after the shaping.

The invention further adopts the technical scheme that the sludge optimized purification system contains sludge for decomposing organic matters after biological purification.

Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the technical scheme of this department pioneers the nature changing waste into valuables, can regard as sludge to use as building material, need not bury deeply and handled, uses manpower sparingly and material resources, can make full use of dregs and two kinds of materials of mud simultaneously, and the space that the organic matter produced when burning design is exactly the must space of the brick that permeates water, can also increase intensity.

Drawings

To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:

FIG. 1 is a block diagram of a pelletizer and muck mixing;

wherein: 1. a granulator; 2. particles; 3. a container is loaded; 4. a muck powder hopper; 5. a hot air outlet; 6. a motor; 7. a rotating shaft; 8. a cutting knife.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.

An environment-friendly multipurpose urban sludge building material is characterized in that the building material is formed by shaping and firing sludge as a raw material.

A preparation method of an environment-friendly multipurpose municipal sludge building material is characterized by comprising the following steps,

granulating the sludge in a manner of extruding the sludge by a granulator, and coating a layer of dry muck on the extruded particles;

then shaping, extruding and vibrating by using a baking-free brick molding technology, wherein the shaped brick is in hot air;

and then, firing by adopting a track kiln, wherein in the firing process, organic matters in the sludge are combusted to generate a porous structure and a large number of gaps, so that a permeable structure of a microstructure of the strength support is formed, and finally, the high-strength building material is fired.

The technical scheme of the invention has the following substantial technical effects and the realization process: the technical scheme of this department pioneers the nature changing waste into valuables, can regard as sludge to use as building material, need not bury deeply and handled, uses manpower sparingly and material resources, can make full use of dregs and two kinds of materials of mud simultaneously, and the space that the organic matter produced when burning design is exactly the must space of the brick that permeates water, can also increase intensity.

The building material is spherical or square. The spherical shape enables small particles, and the square shape can be a square brick.

The granulating is completed by adopting a granulator, the granulator comprises a net screen, the net screen comprises a plurality of holes, and the sludge can pass through the net screen to drop strip-shaped materials; the side of the granulator comprises a cutting part, the cutting part comprises a motor arranged on a rack, a rotating shaft is arranged below the motor, a cutting knife is arranged below the rotating shaft, and the cutting knife can cut the material into a plurality of sections when rotating;

the side of the section in the falling process comprises a hot air blowing structure, and the hot air blowing structure can blow the residue soil powder in the residue soil powder hopper to the section;

the lower part comprises a holding container. The technical scheme of the invention has the following substantial technical effects and the realization process: a specific basic structure is provided herein, and similar implementation structures are within the scope of this patent.

The granulator and the shaping are both realized in a high-temperature airflow flowing environment, and the water content of the sludge is 40-50% when the sludge is fired after the shaping. The sludge preferably contains sludge for decomposing organic matters after biological purification in the purification system. The use of such sludge can aid combustion and void formation.

The granulator for the environment-friendly multipurpose urban sludge building material is characterized by comprising a screen, wherein the screen comprises a plurality of holes, and the sludge can pass through the screen and fall into strip-shaped materials; the side of the granulator comprises a cutting part, the cutting part comprises a motor arranged on a rack, a rotating shaft is arranged below the motor, a cutting knife is arranged below the rotating shaft, and the cutting knife can cut the material into a plurality of sections when rotating;

the side of the section in the falling process comprises a hot air blowing structure, and the hot air blowing structure can blow the residue soil powder in the residue soil powder hopper to the section;

the lower part comprises a holding container.

The granulator further comprises a sludge feeding part capable of feeding the granulator shell, wherein the sludge feeding part is a conveying belt.

The hot air blowing structure is a fan, and the fan can blow high-temperature air to the segments.

The lower part of the containing container comprises wheels which are convenient to move.

Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.

The technical effect that above structure realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a novel method of changing waste into valuables. Some details are not shown in the figures.

It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.