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Artificial fish reef capable of realizing resource utilization of sea-bottom deposited sludge and preparation method thereof

An artificial fish reef and seabed deposition technology, applied in the fields of application, fish farming, climate sustainability, etc., can solve the problems of high seawater content, resource utilization of difficult seabed sediment silt, etc., and achieve the effect of high compressive strength

Active Publication Date: 2018-09-11
SHANDONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, seabed sediment needs to be collected from the seabed first, and the seawater content is high. It is difficult to realize the large-scale resource utilization of seabed sediment by mixing concrete with cement-based materials by traditional methods

Method used

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  • Artificial fish reef capable of realizing resource utilization of sea-bottom deposited sludge and preparation method thereof
  • Artificial fish reef capable of realizing resource utilization of sea-bottom deposited sludge and preparation method thereof

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preparation example Construction

[0022] In addition, the present invention also discloses a method for preparing an artificial reef that can realize resource utilization of seabed sediment silt, including:

[0023] According to the mass percentage, 16.13% to 33.16% of the seabed sediment is extracted from the seabed, and then mixed with cement, mineral powder, fly ash, gypsum and slag, and seawater is added to mix to obtain a mixture; wherein, the water content of the seabed sediment is 40.78%, cement 7.96-12.9%, mineral powder 7.96-12.9%, fly ash 3.18-5.16%, gypsum 0.8-1.29%, slag 39.79%-41.94%, seawater 7.16%-9.68%;

[0024] After the mixture is stirred evenly, it is poured into a shape, maintained at a temperature above 30°C for 120-130 minutes to achieve initial setting, and then the artificial reef test block is obtained by stripping the film;

[0025] The artificial fish reef test block is maintained to obtain the artificial fish reef.

[0026] In order to further optimize the above-mentioned technical...

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Abstract

The invention discloses an artificial fish reef capable of realizing resource utilization of sea-bottom deposited sludge and a preparation method thereof. The artificial fish reef is prepared from thefollowing raw materials in percentage by mass: 16.13 to 33.16 percent of sea-bottom deposited sludge extracted from sea bottom, 7.96 to 12.9 percent of cement, 7.96 to 12.9 percent of mineral powder,3.18 to 5.16 percent of fly ash, 0.8 to 1.29 percent of gypsum, 39.79 to 41.94 percent of furnace residues and 7.16 to 9.68 percent of seawater. The artificial fish reef provided by the invention canbe mixed with the seawater, so that material utilization of the sea-bottom deposited sludge on the site can be realized, higher compressive strength can be achieved in a shorter time, putting of theartificial fish reef on the site is realized, and a total utilization ratio of the sea-bottom deposited sludge is up to 100 percent.

Description

technical field [0001] The invention relates to the technical field of artificial fish reefs, and more specifically relates to an artificial fish reef capable of realizing resource utilization of seabed sediment silt and a preparation method thereof. Background technique [0002] In recent decades, my country's coastal areas have experienced high-intensity development and utilization. Land erosion and large-scale aquaculture activities in coastal waters have resulted in a large number of muddy seabed deposits in coastal waters. Compared with tidal mud, seabed sediment contains less sand, the mud accounts for more than 80% of the total, and more organic nutrients. However, seabed sediment needs to be collected from the seabed first, and the seawater content is high. It is difficult to realize the large-scale resource utilization of seabed sediment by mixing concrete with cement-based materials by traditional methods. [0003] Therefore, how to realize the large-scale resourc...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B18/04A01K61/70
CPCA01K61/70C04B18/0436C04B28/00C04B2201/50C04B18/141C04B18/08C04B22/143C04B18/06C04B22/0026Y02A40/81Y02W30/91
Inventor 姜昭阳梁振林车玉菊朱立新
Owner SHANDONG UNIV
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