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Sludge and construction waste soil sintering and mixing method

A technology for construction waste soil and sludge, applied in chemical instruments and methods, clay products, applications, etc., can solve the problems of non-degradation, environmental pollution, and no handling of hand ends, etc., to ensure smoothness, reduce adhesion, and hardness. with high density effect

Pending Publication Date: 2021-05-21
新沂市新南环保产业技术研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The organic pollutants in sludge mainly include benzene, chlorophenols, polychlorinated biphenyls, polychlorinated dibenzofurans and polychlorinated dibenzodioxins, etc. The organic pollutants contained in sludge are not easy to degrade and have a long residual time of toxicity The entry of these toxic and harmful substances into the water and soil will cause environmental pollution. It is difficult to treat sludge and construction waste soil, and there is no effective disposal means. In view of this, we propose a sintering and mixing method of sludge and construction waste soil

Method used

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  • Sludge and construction waste soil sintering and mixing method

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Embodiment 1

[0023] refer to figure 1 , a preferred embodiment of the present invention provides a method for sintering and mixing sludge and construction waste soil, comprising the following method steps:

[0024] S1. The construction waste soil is crushed by a jaw crusher to make construction waste soil particles, which are repeatedly crushed 3 to 4 times;

[0025] S2. Transport the crushed construction waste soil particles into the screening device, and electromagnetically screen the steel bars inside the construction waste soil particles. After screening for 3 times, pass the remaining construction waste soil particles through a 100-mesh sieve;

[0026] S3, transport the sludge and construction waste soil particles into the anchor mixer, add water, mix and stir, and the average stirring speed is 1200rpm;

[0027] S4. After stirring for 2 to 3 hours, put the mixed material made in S3 into the brick making module manually to make brick embryos;

[0028] S5. The brick embryos are manual...

Embodiment 2

[0037] A preferred embodiment of the present invention provides a method for sintering and mixing sludge and construction waste soil, comprising the following method steps:

[0038] S1. The construction waste soil is crushed by a jaw crusher to make construction waste soil particles, which are repeatedly crushed 3 to 4 times;

[0039] S2. Transport the crushed construction waste soil particles into the screening device, and electromagnetically screen the steel bars inside the construction waste soil particles. After screening for 3 times, pass the remaining construction waste soil particles through a 100-mesh sieve;

[0040] S3, transport the sludge and construction waste soil particles into the anchor mixer, add water, mix and stir, and the average stirring speed is 1500rpm;

[0041] S4. After stirring for 2 to 3 hours, put the mixed material made in S3 into the brick making module manually to make brick embryos;

[0042] S5, put the brick embryo into the inside of the sinte...

Embodiment 3

[0046] A preferred embodiment of the present invention provides a method for sintering and mixing sludge and construction waste soil, comprising the following method steps:

[0047] S1. The construction waste soil is crushed by a jaw crusher to make construction waste soil particles, which are repeatedly crushed 3 to 4 times;

[0048] S2. Transport the crushed construction waste soil particles into the screening device, and electromagnetically screen the steel bars inside the construction waste soil particles. After screening for 3 times, pass the remaining construction waste soil particles through a 100-mesh sieve;

[0049] S3, transport the sludge and construction waste soil particles into the anchor mixer, add water, mix and stir, and the average stirring speed is 1200rpm;

[0050] S4. After stirring for 2 to 3 hours, put the mixed material made in S3 into the brick making module manually to make brick embryos;

[0051] S5. The brick embryos are manually measured for the s...

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Abstract

The invention relates to the technical field of sintering mixing, in particular to a sludge and construction waste soil sintering and mixing method which comprises the following steps: crushing construction waste soil through a crusher to prepare construction waste soil particles; conveying the crushed building waste soil particles into a screening device to be screened, and screening out steel bars in the building waste soil particles; conveying the sludge and the building waste soil particles into a mixing device, adding water, and stirring and mixing; putting the prepared mixed material into a brick making module to prepare a brick blank; putting the brick blanks into a sintering furnace, wherein the same gaps are formed between the brick blanks, and carrying out presintering; tightly arranging the pre-sintered bricks, and carrying out high-temperature sintering; after cooling, taking the prepared sintered bricks out. According to the invention, steel bars in the building waste soil are separated and recycled through the screening device, the building waste soil and the sludge are mixed to prepare the sintered bricks, the building waste soil and the sludge are reasonably treated, waste utilization is achieved, clay solid bricks can be replaced, and clay resources are protected.

Description

technical field [0001] The invention relates to the technical field of sintering processing, in particular to a method for sintering and mixing sludge and construction waste soil. Background technique [0002] In recent years, with the rapid development of social economy, the continuous expansion and construction of cities, more and more construction projects of various types, the generation and discharge of construction waste soil in cities are also increasing rapidly, and improper disposal of construction waste soil has seriously affected the image of the city. Therefore, while the city is developing, how to effectively deal with and utilize more and more construction waste soil and reduce environmental pressure has become an important issue faced by governments at all levels and construction waste soil output processing units. [0003] The organic pollutants in sludge mainly include benzene, chlorophenols, polychlorinated biphenyls, polychlorinated dibenzofurans and polyc...

Claims

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Application Information

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IPC IPC(8): C04B33/132B03C1/00
CPCB03C1/00C04B33/1321C04B33/1324C04B33/1328C04B2235/77C04B2235/96C04B2235/963Y02P40/60
Inventor 张小武张寅清李尧唐景春
Owner 新沂市新南环保产业技术研究院有限公司
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