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Method utilizing petroleum coke powder to prepare petroleum type coke, product and equipment thereof

A technology of petroleum coke powder and petroleum, which is applied in the field of energy utilization, can solve the problems of poor cold strength and thermal stability of petroleum coke, poor reactivity of petroleum coke, and large combustion smoke of petroleum coke, so as to achieve low pollution in the production and use of finished products, High mechanical strength and low ash melting point

Inactive Publication Date: 2014-12-17
米风军 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0029] 1. The combustion smoke of petroleum coke is relatively large;
[0030] 2. High sulfur content, direct use and serious pollution;
[0031] 3. The cold strength and thermal stability of petroleum coke are poor;
[0032] 4. Poor reactivity of petroleum coke

Method used

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  • Method utilizing petroleum coke powder to prepare petroleum type coke, product and equipment thereof
  • Method utilizing petroleum coke powder to prepare petroleum type coke, product and equipment thereof
  • Method utilizing petroleum coke powder to prepare petroleum type coke, product and equipment thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0088] Example 1 Preparation of Petroleum Coke by Using Petroleum Coke Powder

[0089] Include the following steps:

[0090] (1) Low-temperature drying treatment of raw materials of petroleum coke powder:

[0091] Using a low-temperature drying device, the temperature is controlled at 200°C, and the petroleum coke powder raw material (with a sulfur content of 3%) is dried to obtain the petroleum coke powder processing raw material;

[0092] (2) After mixing the low-sulfur coal powder with a sulfur content of 0.38% and the petroleum coke powder treatment raw material obtained in step (1) according to the weight ratio of 4:6, mix according to the mixture of petroleum coke powder and coal powder: binder : The mixture of calcium carbonate (desulfurizer) and calcium-based bentonite (stabilizer) = 100:2:3 by weight, add binder, desulfurizer, and minerals used to increase the thermal stability of petroleum coke products into the mixture Calcium-based bentonite, uniformly mixed, whe...

Embodiment 2

[0096] Example 2 Preparation of Petroleum Coke by Using Petroleum Coke Powder

[0097] Include the following steps:

[0098] (1) Low-temperature drying treatment of raw materials of petroleum coke powder:

[0099] Using a low-temperature drying device, the temperature is controlled at 250°C, and the petroleum coke powder raw material (with a sulfur content of 5%) is dried to obtain the petroleum coke powder processing raw material;

[0100] (2) After mixing the low-sulfur coal powder with a sulfur content of 0.38% and the petroleum coke powder treatment raw material obtained in step (1) in a weight ratio of 3:5, the mixture of petroleum coke powder and coal powder: bonding Agent: a mixture of calcium carbonate (sulfur removing agent) and calcium-based bentonite (stabilizer) = 100:2:3 by weight. Add binder, calcium carbonate (sulfur removing agent) Calcium-based bentonite with thermal stability of the product, mixed evenly, wherein the weight ratio of calcium carbonate to cal...

Embodiment 3

[0104] Example 3 Utilize the method of the present invention in combination with the equipment of the present invention to prepare petroleum coke

[0105] Such as figure 1 Shown is the plan layout of the equipment for preparing petroleum coke provided by the invention, which includes a quantitative feeding device 1, a stirring device 2, a wheel mill 3, a molding machine 4 and a drying furnace connected in sequence 5, of which:

[0106] The dosing device 1 is connected to the stirring device 2 through a belt, and is used to provide raw materials (that is, a mixture of coal powder and petroleum coke powder) to the stirring device 2;

[0107] The stirring device 2 is provided with an additive feeding port (not shown), which is used to put binder, desulfurizer and other additives (such as: calcium-based bentonite) into the raw materials, and mix them evenly, and then put The mixed raw materials are sent to the wheel mill 3 by a belt; the stirring device 2 preferably adopts a bia...

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Abstract

The invention discloses a method utilizing petroleum coke powder to prepare petroleum type coke, a product and equipment thereof. Powdered coke is taken as the raw material, and a binding agent, a desulfurizer, and other additives are added during the manufacturing process to ensure the cold strength, heat stability, heat intensity, and activity of the petroleum type coke. Through experimental tests, it is found that the prepared petroleum type coke product has the advantages of high mechanical strength, good heat intensity and heat stability, low ash fusion point, and low sulfur content. Moreover, the pollution is little during the production and using processes. The processing cost and frontend investment are relatively low. The method can satisfy the massive production requirements in the gas production industry and limekilns, and has an important economic and social meaning. The invention further discloses equipment for producing the petroleum type coke.

Description

technical field [0001] The present invention relates to a method for preparing petroleum coke and its products, and also relates to equipment used for the production of the method, in particular to a method for preparing petroleum coke from petroleum coke powder and its products and equipment, which belong to the technical field of energy utilization . Background technique [0002] In recent years, China's petroleum coke fuel industry has developed rapidly, the market competition for coke products has intensified, and coke export has gradually become a marketing channel. The demand side has higher and higher quality requirements for coke products, so the production of high-quality export coke has been listed by many manufacturers. development plan. Petroleum coke not only has very low ash content, but also is cheap. Taking the petroleum coke of Nanjing Yangzi Petrochemical as an example, the price of 3#B is 900 yuan / ton (excluding tax), but only about 30% of it can be used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/02C10L5/04C10L5/10
Inventor 王冰玉米风军
Owner 米风军
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