Method for manufacturing ecological building blocks of riverway protection slope from sewage plant sludge
A sewage treatment plant and sludge technology is applied in the field of making river slope protection ecological blocks from sewage treatment plant sludge, which can solve the problems of occupying landfill storage capacity, high sludge moisture content, poor mechanical properties, etc. System, low cost effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0017] (1) According to the following percentage distribution by weight: sewage plant sludge (moisture content 80%) 10%, cement (425#) 13%, gravel (particle size 25mm) 44%, sand 27%, water 6%.
[0018] (2) Mix and stir the above materials evenly, put them into the mold, and use a press to preform them under the condition of 32MPa, and the molding time is 10 seconds.
[0019] (3) The prefabricated blocks are sent to the autoclave curing workshop, where they are cured for 10 hours at a steam temperature of 200°C and a pressure of 1MPa.
[0020] (4) The cured blocks are placed under natural conditions for 28 days, and the compressive strength of the blocks is 30MPa.
Embodiment 2
[0022] (1) According to the following percentage distribution by weight: sewage plant sludge (moisture content 82%) 8%, cement (325#) 14%, crushed stone (particle size 22mm) 44%, sand 29%, water 5%.
[0023] (2) Mix and stir the above materials evenly, put them into the mold, and use a press to preform them under the condition of 28MPa, and the molding time is 10 seconds.
[0024] (3) The prefabricated blocks are sent to the autoclave curing workshop, where they are cured for 10 hours at a steam temperature of 200°C and a pressure of 0.85MPa.
[0025] (4) The cured blocks are placed under natural conditions for 28 days, and the compressive strength of the blocks is 21.5MPa.
Embodiment 3
[0027] (1) According to the following percentage distribution by weight: sewage plant sludge (moisture content 60%) 5%, cement (425#) 15%, gravel (particle size 10mm) 43%, sand 30%, water 7%.
[0028] (2) Mix and stir the above materials evenly, put them into the mold, and use a press to preform them under the condition of 32MPa, and the molding time is 7 seconds.
[0029] (3) The prefabricated blocks are sent to the autoclave curing workshop, where they are cured for 8 hours at a steam temperature of 220°C and a pressure of 0.9MPa.
[0030] (4) The cured blocks are placed under natural conditions for 29 days, and the compressive strength of the blocks is 30MPa.
PUM
Property | Measurement | Unit |
---|---|---|
particle diameter | aaaaa | aaaaa |
particle diameter | aaaaa | aaaaa |
compressive strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com