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

Needle coke raw material evaluation method

A technology of needle coke raw material and evaluation method, which is applied in the field of needle coke raw material evaluation, can solve the problems of inability to judge whether petroleum-based raw materials are mixed with coal-based components, and the analysis process is time-consuming and labor-intensive.

Active Publication Date: 2018-12-18
SHANDONG YIDA NEW MATERIAL
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above analysis indicators cannot determine whether coal-based components are mixed with petroleum-based raw materials. At the same time, the analysis process is very time-consuming and labor-intensive, and requires professional testers and professional and expensive testing equipment.

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

[0021] Material

[0022] The needle coke petroleum raw material sample to be tested is catalytic cracking oil slurry from refinery A.

[0023] The standard petroleum raw material is catalytic cracking oil slurry from Yangzhou Petrochemical Co., Ltd., and the filter paper is Φ12.5 quantitative filter paper (medium speed 202, Whatman).

[0024] This embodiment provides a needle coke raw material evaluation method, which includes the following steps:

[0025] a) Take the filter paper soaked and dried in toluene, place it in a weighing bottle, and dry it at 115-120°C to constant weight;

[0026] b) Add 10mL of the needle coke petroleum raw material to be tested and 40mL of naphtha into a 100mL reaction beaker, place the beaker in a water bath at 40°C, and stir for 2 minutes;

[0027] c) Suction-filtering the mixture obtained in step b) on the filter paper obtained in step a), and the precipitate remains on the filter paper;

[0028] d) Wash the reaction beaker (20mL x 3) with n...

Embodiment 2

[0033] Material

[0034] The needle coke petroleum raw material to be tested is FCC oil slurry from Refinery B.

[0035] Other materials are the same as in Example 1.

[0036] This embodiment provides a needle coke raw material evaluation method, which includes the following steps:

[0037] a) Take the filter paper soaked and dried in toluene, place it in a weighing bottle, and dry it at 115-120°C to constant weight;

[0038] b) Add 10mL of the needle coke raw material to be tested and 40mL of gasoline into a 100mL reaction beaker, place the beaker in a 60°C water bath, and stir for 5 minutes;

[0039] c) Suction-filtering the mixture obtained in step b) on the filter paper obtained in step a), and the precipitate remains on the filter paper;

[0040] d) Wash the reaction beaker (20mL x 3) with gasoline at 60°C, transfer the remaining precipitate to the filter paper, filter with suction, and wash the precipitate on the filter paper with 40mL gasoline;

[0041] e) Dry the f...

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

No PUM Login to View More

Abstract

The invention discloses a needle coke raw material evaluation method. Whether a coal raw material is doped in the purchased needle coke raw material is rapidly identified according to a principle thata light liquid-phase constituent in the needle coke petroleum raw material and a heavy constituent in the coal raw material can be mixed to rapidly generate a precipitant. The method comprises the steps of mixing the petroleum raw material to be to detected and a test solvent, performing stirring for a certain time under a certain temperature, collecting and weighing the generated precipitant, and comparing precipitant quantity with precipitant quantity of a standard petroleum raw material which does not contain the coal raw material so as to judge whether the coal raw material is doped in the petroleum raw material. The method can be used for helping a petroleum needle coke production enterprise to optimize the raw material purchasing process and select a quality raw material supplier.

Description

technical field [0001] The invention relates to the technical field of needle coke production, in particular to a needle coke raw material evaluation method. Background technique [0002] With the intensified competition of steel products in our country, electric furnaces used to produce high-quality steel and special steel are rapidly developing towards ultra-high power and large-scale, prompting the use of needle coke with a high degree of graphitization to prepare high-power (HP) And ultra-high power (UHP) graphite electrode has become a research hotspot. HP and UHP graphite electrodes made of needle coke graphitization have the advantages of good chemical stability, strong thermal shock resistance, good mechanical strength, and corrosion resistance, which greatly improves the smelting efficiency. In addition, needle coke can also be used as a new type of aggregate for lithium-ion batteries, electric brushes, nuclear graphite, electrochemical containers and rocket techno...

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): G01N21/82
CPCG01N21/82
Inventor 彭莉韩照宪李慎耐李军树郭冲
Owner SHANDONG YIDA NEW MATERIAL