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Floor brick prepared from oil field sludge

A technology for oilfield sludge and floor tiles, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of excessive raw materials, unfavorable promotion, high cost, etc., achieve low water absorption, solve pollution and discharge problem, low cost effect

Inactive Publication Date: 2010-04-14
赵琴
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it adds more raw materials, and the cost is higher, which is not conducive to popularization

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The raw material ratio of this embodiment is 50% of oilfield sludge, 20% of river sand, 25% of phosphoaluminate cement, and 5% of curing agent of Shenghe Oilfield Xianhe Oil Production Plant.

[0036] Among them, the curing agent is made by mixing raw materials with the following weight ratios:

[0037] Magnesium oxide: 25%, calcium chloride: 25%, gypsum: 25%, lime: 25%.

[0038] Wherein, the phosphoaluminate cement is composed of 45% (w / %) ternary calcium aluminate solid solution, 25% (w / %) calcium aluminate solid solution, 25% (w / %) calcium phosphate solid solution phase And 5% (w / %) glass composition.

[0039] The production method is:

[0040] c) Use colored cement for the colored surface, mix it thoroughly with white gravel in a ratio of 1:2.5, add water to a water-cement ratio of 0.5 and stir evenly to make a slurry; pour the slurry into the mold with a thickness of 1-2cm and leave it for half an hour ;

[0041] d) Mix the oilfield sludge, river sand, phosphoaluminate ceme...

Embodiment 2

[0048] The ratio of raw materials in this embodiment is 62% of oilfield sludge, 17% of river sand, 18% of phosphoaluminate cement, and 3% of curing agent of Shengli Oilfield Hekou Oil Production Plant.

[0049] Among them, the curing agent is made by mixing raw materials with the following weight ratios:

[0050] Magnesium oxide: 30%, calcium chloride: 20%, gypsum: 30%, lime: 20%.

[0051] Wherein, the phosphoaluminate cement and the preparation method are the same as in Example 1.

[0052] The surface tiles of the present invention that have been cured to a certain age were tested for 28-day compressive strength, bulk density, water absorption, toxicity and radioactivity in accordance with the test methods specified by relevant national standards. The results are shown in Table 2:

[0053] Table 2

[0054] performance

Bulk density

(g / cm 3 )

Water absorption

rate

(%)

Compressive strength

Degree (Mpa)

soak

frequency

CODcr

(mg / L)

PH

value

Cr 2+

pb 2...

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PUM

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Abstract

The invention relates to a ground brick and a production method thereof, in particular to a ground brick produced by using oil field sludge and the production method thereof. Matrix material of the ground brick consists of raw materials by weight proportion as follows: 50-70 percent of the oil field sludge, 10-25 percent of riversand, 15-25 percent of phosphoaluminate cement and 3-5 percent of hardener; the hardener consists of the raw materials by the weight proportion as follows: 20-30 percent of magnesia, 20-30 percent of calcium chloride, 20-30 percent of gypsum and 20-30 percent of lime.The ground brick of the invention has the advantages of high strength, low water absorption, low cost and no pollution which meets the requirement of the ecological environment protection and solves the problems of pollution and discharge of the oil field sludge.

Description

Technical field [0001] The invention relates to a floor brick and a production method thereof, in particular to a floor brick made from oil field sludge and a production method thereof. Background technique [0002] During the oil production process, a large amount of oil well sludge is produced, and these numerous oil well slurries generally contain a large amount of heavy metals, oils, alkalis and chemicals (including organic matter), which are extremely harmful to humans, animals and the environment. If the mud is discarded without treatment, these substances will seriously pollute the environment, endanger people's lives and health, and affect the growth and development of animals and plants. The treatment and application of oily sludge is a difficult problem in the process of oily sewage treatment. [0003] In terms of the comprehensive utilization of oily sludge, the main direction of utilization is the study of building materials, that is, considering the use of oilfield sl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/34C04B18/30C04B14/06
CPCC04B2111/00017C04B28/344C04B2111/60Y02W30/91
Inventor 赵琴董飞赵静
Owner 赵琴