Unlock instant, AI-driven research and patent intelligence for your innovation.

Hydrogenation scale inhibitor and preparation method thereof

A technology of antiscalant and magnesium hydroxide, which is applied in the direction of corrosion/scaling inhibition of treatment equipment, petroleum industry, and treatment of hydrocarbon oil, etc. It can solve problems such as increased energy consumption, increased bed pressure drop, and increased heating furnace load. Achieve the effects of scientific preparation method, stable heat transfer efficiency and increased contact force

Inactive Publication Date: 2018-11-16
宜兴市星光宝亿化工有限公司
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the process of hydrocracking cleaning and upgrading, the heavy weight of raw materials will lead to an increase in the tendency of fouling and coking in the hydrogenation heat exchanger and reactor bed
The coking of the raw material heat exchanger will seriously affect the heat exchange efficiency of the raw material, increase the load of the heating furnace, increase the energy consumption, and reduce the processing capacity of the raw material of the device; the coking of the catalyst bed will increase the pressure drop of the bed, and even block the bed, seriously When the device is forced to shut down, the economic benefits of the device will be affected

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Get the magnesium hydroxide that is 10% by weight, the magnesium sulfate of 25%, the calcium carbonate of 10%, the lignin of 15%, the calcium sulfonate of 10% and the deionized water of 30% are made into mixed solution stand-by; Take Immerse the volcanic rock in the mixed solution at room temperature for 10-20 minutes, the volume ratio of the volcanic rock to the mixed solution is 2:5; heat the solution, and heat it at a constant temperature after the temperature rises to 70-80°C, control the heating time for 2-4 hours, and then cool to room temperature; heat the solution a second time, and heat it at a constant temperature after the temperature rises to 50~55°C, control the heating time for 6~8h, and then cool to room temperature; separate the obtained volcanic rock from the solution, let it stand to dry, Bake at 150°C for 5-6 hours, then cool to room temperature.

Embodiment 2

[0025] Get the magnesium hydroxide that is 15% by weight, the magnesium sulfate of 20%, the calcium carbonate of 15%, the lignin of 10%, the calcium sulfonate of 20% and the deionized water of 20% are made into mixed solution stand-by; Immerse the volcanic rock in the mixed solution at room temperature for 10-20 minutes, the volume ratio of the volcanic rock to the mixed solution is 1:5; heat the solution, and heat it at a constant temperature after the temperature rises to 70-80°C, control the heating time for 2-4 hours, and then cool it to room temperature; heat the solution a second time, and heat it at a constant temperature after the temperature rises to 50~55°C, control the heating time for 6~8h, and then cool to room temperature; separate the obtained volcanic rock from the solution, let it stand to dry, Bake at 150°C for 5-6 hours, then cool to room temperature.

Embodiment 3

[0027] Get the magnesium hydroxide that is 20% by weight, the magnesium sulfate of 15%, the calcium carbonate of 15%, the lignin of 20%, the calcium sulfonate of 10% and the deionized water of 20% are made into mixed solution stand-by; The cobblestone is immersed in the mixed solution at room temperature for 10-20 minutes, the volume ratio of the cobblestone to the mixed solution is 2:5; the solution is heated, and after the temperature rises to 70-80°C, it is heated at a constant temperature, and the heating time is controlled for 2~ 4h, then cool to room temperature; heat the solution a second time, heat it at a constant temperature after the temperature rises to 50~55°C, control the heating time for 6~8h, and then cool to room temperature; separate the obtained cobblestone from the solution and let it stand Dry in the air, bake at 120~150°C for 5~6 hours, and cool to room temperature.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a hydrogenation scale inhibitor. The scale inhibitor comprises the following components in percentages by weight: 10-30% of magnesium hydroxide, 10-25% of magnesium sulfate, 10-25% of calcium carbonate, 10-20% of lignin, 10-20% of calcium sulfonate and 20-40% of deionized water. Meanwhile, the invention also discloses a preparation method of the above scale inhibitor. The scale inhibitor disclosed by the invention achieves the functions of inhibiting scaling and removing a part of formed scale, thereby ensuring heat exchange efficiency of a heat exchanger and stable andlong-period operation of a device; the scale inhibitor has no damage to hydrocracking catalysts and does not affect activity and stability of the hydrocracking catalysts; at the same time, the scaleinhibitor is convenient to use, and has a low adding amount and no corrosive effects on equipment of a hydrocracking device; and the preparation method disclosed by the invention is scientific withoutany pollution.

Description

technical field [0001] The invention belongs to the field of petrochemical industry, and in particular relates to a hydrogenation scale inhibitor and a preparation method thereof. Background technique [0002] With the rapid growth of the national economy, the demand for petroleum products continues to increase. In recent years, my country's coastal refineries have begun to process a large number of imported crude oil, and most of them use crude oil from the Middle East. Middle Eastern crude oil has high sulfur, nitrogen and heavy metal content, which makes its processing, especially the processing of its residual oil blending, more difficult. The hydrogenation process has the effect of stabilizing the unsaturated compounds in the raw materials, and the hydrogenation and modification of the metals, sulfur, oxygen, nitrogen and halogen compounds in the clean raw materials that are harmful to the downstream processing. In order to optimize the raw material structure of downst...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): C10G75/02
CPCC10G75/02
Inventor 王召光孙逸兴王占新
Owner 宜兴市星光宝亿化工有限公司