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Paraffin fluidization cooling granulation process

A paraffin and process technology, which is applied in the field of paraffin cooling and granulation technology, can solve the problems of large footprint, troublesome maintenance, and large installation volume of the whole set of devices, and achieves the reduction of chilled water consumption, reliable product quality, and high production efficiency. Effect

Active Publication Date: 2007-03-14
SHANDONG TIANLI DRYING TECH & EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] my country's crude oil has high wax content and good quality, while paraffin wax molding mainly adopts block wax molding, which has high energy consumption and low efficiency. It takes about two hours to cool down from liquid wax injection to block wax products, which takes up a lot of space and causes equipment failure. The rate is high, and the block wax also has many shortcomings in packaging, transportation, and use. It needs to be broken when used, and the labor intensity is high, which is not convenient for users with a small amount.
The existing paraffin granulation processes include spray tower granulation and water-cooled steel belt granulation. The disadvantages of spray tower granulation are that the structure of the spray tower is complex, the whole set of equipment occupies a large area, the installation volume is large, and maintenance is troublesome; the water-cooled steel belt granulation For the production of flaky grain wax, the single-side indirect conduction of steel belt is used to transfer heat, which has low efficiency, easy adhesion, and large equipment footprint

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Embodiment

[0011] Fig. 1 has provided the system diagram of realizing technological process of the present invention. The equipment included is feed pump 1, filter 2, screening machine 3, fluidized bed cooler 4, surface cooler and demister 5, blower 6, induced draft fan 7 and air filter 8. The feed pump 1 is connected to the feed pipe of the fluidized bed cooler 4 through the filter 2 , and the surface cooler and demister 5 are connected to the downwind chamber 9 of the fluidized bed cooler 4 . The surface cooler and demister 5 are used to generate cold air, and the circulating frozen salt water of about -15 degrees is passed in the surface cooler as the cooling medium, so that the air temperature is reduced to below 15 degrees. The built-in bag filter of the fluidized bed cooler 4, the induced draft fan 7, the air filter 8, the blower 6, the surface cooler and the mist eliminator 5 are connected in sequence. Feed pump 1, filter 2, screening machine 3, surface cooler and demister 5, blo...

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Abstract

The present invention provides one kind of paraffin fluidizing, cooling and pelletizing process. The process includes the following steps: melting paraffin at the temperature 15-20 deg.c higher than its smelting point and stirring, compression filtering and spraying out through nozzle to contact with cold air for cooling, fluidizing for further cooling to obtain paraffin grain, sieving, packing while returning the paraffin grains beyond the required size to smelting, cooling the tail gas and filtering to obtain fine powder material, returning the recovered fine powder material to smelting, purifying the filtered tail gas and reusing the purified tail gas in the temperature lower than the environment temperature. The process has high production efficiency, reliable product quality, reduced environmental pollution and saving in material and energy source.

Description

technical field [0001] The invention relates to a paraffin cooling granulation process. Background technique [0002] my country's crude oil has high wax content and good quality, while paraffin wax molding mainly adopts block wax molding, which has high energy consumption and low efficiency. It takes about two hours to cool down from liquid wax injection to block wax products, which takes up a lot of space and causes equipment failure. The rate is high, and the block wax also has many shortcomings in packaging, transportation, and use. It needs to be broken when used, and the labor intensity is high, which is not convenient for users with small amounts. The existing paraffin granulation processes include spray tower granulation and water-cooled steel belt granulation. The disadvantages of spray tower granulation are that the structure of the spray tower is complex, the whole set of equipment occupies a large area, the installation volume is large, and maintenance is troubles...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G73/40
Inventor 郭文李选友柴本银苗楠陈洪军
Owner SHANDONG TIANLI DRYING TECH & EQUIP
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